diff --git a/wcfsetup/install/files/js/3rdParty/ckeditor/ckeditor5.bundle.js b/wcfsetup/install/files/js/3rdParty/ckeditor/ckeditor5.bundle.js index 83c365dd2f6..7a598e5f46e 100644 --- a/wcfsetup/install/files/js/3rdParty/ckeditor/ckeditor5.bundle.js +++ b/wcfsetup/install/files/js/3rdParty/ckeditor/ckeditor5.bundle.js @@ -1,2 +1,2 @@ /*! 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e=this.editor;e.model.schema.extend("$text",{allowAttributes:k}),e.model.schema.setAttributeProperties(k,{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:k,view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),e.commands.add(k,new o(e,k)),e.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}const A="strikethrough";class E extends n.Sy{static get pluginName(){return"StrikethroughUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add(A,(i=>{const n=e.commands.get(A),o=new a.r5(i);return o.set({label:t("Strikethrough"),icon:'',keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{e.execute(A),e.editing.view.focus()})),o}))}}class x extends n.Sy{static get requires(){return[C,E]}static get pluginName(){return"Strikethrough"}}const T="subscript";class S extends n.Sy{static get pluginName(){return"SubscriptEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:T}),e.model.schema.setAttributeProperties(T,{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:T,view:"sub",upcastAlso:[{styles:{"vertical-align":"sub"}}]}),e.commands.add(T,new o(e,T))}}const P="subscript";class I extends n.Sy{static get pluginName(){return"SubscriptUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add(P,(i=>{const n=e.commands.get(P),o=new a.r5(i);return o.set({label:t("Subscript"),icon:'',tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{e.execute(P),e.editing.view.focus()})),o}))}}class V extends n.Sy{static get requires(){return[S,I]}static get pluginName(){return"Subscript"}}const R="superscript";class O extends n.Sy{static get pluginName(){return"SuperscriptEditing"}init(){const 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i=this.editor.editing.view.document,n=e.model.document.selection,o=e.commands.get("blockQuote");this.listenTo(i,"enter",((t,i)=>{n.isCollapsed&&o.value&&n.getLastPosition().parent.isEmpty&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),i.preventDefault(),t.stop())}),{context:"blockquote"}),this.listenTo(i,"delete",((t,i)=>{if("backward"!=i.direction||!n.isCollapsed||!o.value)return;const s=n.getLastPosition().parent;s.isEmpty&&!s.previousSibling&&(e.execute("blockQuote"),e.editing.view.scrollToTheSelection(),i.preventDefault(),t.stop())}),{context:"blockquote"})}}var u=i(6530);class m extends n.Sy{static get pluginName(){return"BlockQuoteUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("blockQuote",(i=>{const o=e.commands.get("blockQuote"),s=new u.r5(i);return s.set({label:t("Block 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e.data;if(e.is("element","img")&&e.hasAttribute("alt"))return e.getAttribute("alt");if(e.is("element","br"))return"\n";let t="",i=null;for(const s of e.getChildren())t+=(n=s,((o=i)?n.is("element","li")&&!n.isEmpty&&n.getChild(0).is("containerElement")||l.includes(n.name)&&l.includes(o.name)?"\n\n":n.is("containerElement")||o.is("containerElement")?a.includes(n.name)||a.includes(o.name)?"\n":"\n\n":"":"")+c(s)),i=s;var n,o;return t}class d extends n.Plugin{static get pluginName(){return"ClipboardPipeline"}init(){this.editor.editing.view.addObserver(r),this._setupPasteDrop(),this._setupCopyCut()}_fireOutputTransformationEvent(e,t,i){const n=this.editor.model.getSelectedContent(t);this.fire("outputTransformation",{dataTransfer:e,content:n,method:i})}_setupPasteDrop(){const e=this.editor,t=e.model,i=e.editing.view,n=i.document;this.listenTo(n,"clipboardInput",((t,i)=>{"paste"!=i.method||e.model.canEditAt(e.model.document.selection)||t.stop()}),{priority:"highest"}),this.listenTo(n,"clipboardInput",((e,t)=>{const n=t.dataTransfer;let s;if(t.content)s=t.content;else{let e="";n.getData("text/html")?e=function(e){return e.replace(/(\s+)<\/span>/g,((e,t)=>1==t.length?" 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").replace(/\r?\n/g,"
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${r}

`),e=r),s=this.editor.data.htmlProcessor.toView(e)}var r;const a=new o.EventInfo(this,"inputTransformation");this.fire(a,{content:s,dataTransfer:n,targetRanges:t.targetRanges,method:t.method}),a.stop.called&&e.stop(),i.scrollToTheSelection()}),{priority:"low"}),this.listenTo(this,"inputTransformation",((e,i)=>{if(i.content.isEmpty)return;const n=this.editor.data.toModel(i.content,"$clipboardHolder");0!=n.childCount&&(e.stop(),t.change((()=>{this.fire("contentInsertion",{content:n,method:i.method,dataTransfer:i.dataTransfer,targetRanges:i.targetRanges})})))}),{priority:"low"}),this.listenTo(this,"contentInsertion",((e,i)=>{i.resultRange=t.insertContent(i.content)}),{priority:"low"})}_setupCopyCut(){const e=this.editor,t=e.model.document,i=e.editing.view.document,n=(e,i)=>{const n=i.dataTransfer;i.preventDefault(),this._fireOutputTransformationEvent(n,t.selection,e.name)};this.listenTo(i,"copy",n,{priority:"low"}),this.listenTo(i,"cut",((t,i)=>{e.model.canEditAt(e.model.document.selection)?n(t,i):i.preventDefault()}),{priority:"low"}),this.listenTo(this,"outputTransformation",((t,n)=>{const o=e.data.toView(n.content);i.fire("clipboardOutput",{dataTransfer:n.dataTransfer,content:o,method:n.method})}),{priority:"low"}),this.listenTo(i,"clipboardOutput",((i,n)=>{n.content.isEmpty||(n.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(n.content)),n.dataTransfer.setData("text/plain",c(n.content))),"cut"==n.method&&e.model.deleteContent(t.selection)}),{priority:"low"})}}var h=i(9587),u=i(5849);const m=(0,o.toUnit)("px");class g extends u.View{constructor(){super();const e=this.bindTemplate;this.set({isVisible:!1,left:null,top:null,width:null}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-clipboard-drop-target-line",e.if("isVisible","ck-hidden",(e=>!e))],style:{left:e.to("left",(e=>m(e))),top:e.to("top",(e=>m(e))),width:e.to("width",(e=>m(e)))}}})}}var f=i(111);class p extends n.Plugin{constructor(){super(...arguments),this.removeDropMarkerDelayed=(0,o.delay)((()=>this.removeDropMarker()),40),this._updateDropMarkerThrottled=(0,f.Z)((e=>this._updateDropMarker(e)),40),this._reconvertMarkerThrottled=(0,f.Z)((()=>{this.editor.model.markers.has("drop-target")&&this.editor.editing.reconvertMarker("drop-target")}),0),this._dropTargetLineView=new g,this._domEmitter=new((0,o.DomEmitterMixin)()),this._scrollables=new Map}static get pluginName(){return"DragDropTarget"}init(){this._setupDropMarker()}destroy(){this._domEmitter.stopListening();for(const{resizeObserver:e}of this._scrollables.values())e.destroy();return this._updateDropMarkerThrottled.cancel(),this.removeDropMarkerDelayed.cancel(),this._reconvertMarkerThrottled.cancel(),super.destroy()}updateDropMarker(e,t,i,n,o,s){this.removeDropMarkerDelayed.cancel();const r=b(this.editor,e,t,i,n,o,s);if(r)return s&&s.containsRange(r)?this.removeDropMarker():void this._updateDropMarkerThrottled(r)}getFinalDropRange(e,t,i,n,o,s){const r=b(this.editor,e,t,i,n,o,s);return this.removeDropMarker(),r}removeDropMarker(){const e=this.editor.model;this.removeDropMarkerDelayed.cancel(),this._updateDropMarkerThrottled.cancel(),this._dropTargetLineView.isVisible=!1,e.markers.has("drop-target")&&e.change((e=>{e.removeMarker("drop-target")}))}_setupDropMarker(){const e=this.editor;e.ui.view.body.add(this._dropTargetLineView),e.conversion.for("editingDowncast").markerToHighlight({model:"drop-target",view:{classes:["ck-clipboard-drop-target-range"]}}),e.conversion.for("editingDowncast").markerToElement({model:"drop-target",view:(t,{writer:i})=>{if(e.model.schema.checkChild(t.markerRange.start,"$text"))return this._dropTargetLineView.isVisible=!1,this._createDropTargetPosition(i);t.markerRange.isCollapsed?this._updateDropTargetLine(t.markerRange):this._dropTargetLineView.isVisible=!1}})}_updateDropMarker(e){const t=this.editor,i=t.model.markers;t.model.change((t=>{i.has("drop-target")?i.get("drop-target").getRange().isEqual(e)||t.updateMarker("drop-target",{range:e}):t.addMarker("drop-target",{range:e,usingOperation:!1,affectsData:!1})}))}_createDropTargetPosition(e){return e.createUIElement("span",{class:"ck ck-clipboard-drop-target-position"},(function(e){const t=this.toDomElement(e);return t.append("⁠",e.createElement("span"),"⁠"),t}))}_updateDropTargetLine(e){const t=this.editor.editing,i=e.start.nodeBefore,n=e.start.nodeAfter,s=e.start.parent,r=i?t.mapper.toViewElement(i):null,a=r?t.view.domConverter.mapViewToDom(r):null,l=n?t.mapper.toViewElement(n):null,c=l?t.view.domConverter.mapViewToDom(l):null,d=t.mapper.toViewElement(s);if(!d)return;const h=t.view.domConverter.mapViewToDom(d),u=this._getScrollableRect(d),{scrollX:m,scrollY:g}=o.global.window,f=a?new o.Rect(a):null,p=c?new o.Rect(c):null,b=new o.Rect(h).excludeScrollbarsAndBorders(),w=f?f.bottom:b.top,v=p?p.top:b.bottom,_=o.global.window.getComputedStyle(h),y=w<=v?(w+v)/2:v;if(u.topa.schema.checkChild(s,e)))){if(a.schema.checkChild(s,"$text"))return a.createRange(s);if(t)return v(e,y(e,t.parent),n,o)}}}else if(a.schema.isInline(c))return v(e,c,n,o);if(a.schema.isBlock(c))return v(e,c,n,o);if(a.schema.checkChild(c,"$block")){const t=Array.from(c.getChildren()).filter((t=>t.is("element")&&!w(e,t)));let i=0,s=t.length;if(0==s)return a.createRange(a.createPositionAt(c,"end"));for(;i{i?(this.forceDisabled("readOnlyMode"),this._isBlockDragging=!1):this.clearForceDisabled("readOnlyMode")})),o.env.isAndroid&&this.forceDisabled("noAndroidSupport"),e.plugins.has("BlockToolbar")){const t=e.plugins.get("BlockToolbar").buttonView.element;this._domEmitter.listenTo(t,"dragstart",((e,t)=>this._handleBlockDragStart(t))),this._domEmitter.listenTo(o.global.document,"dragover",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(o.global.document,"drop",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(o.global.document,"dragend",(()=>this._handleBlockDragEnd()),{useCapture:!0}),this.isEnabled&&t.setAttribute("draggable","true"),this.on("change:isEnabled",((e,i,n)=>{t.setAttribute("draggable",n?"true":"false")}))}}destroy(){return this._domEmitter.stopListening(),super.destroy()}_handleBlockDragStart(e){if(!this.isEnabled)return;const t=this.editor.model,i=t.document.selection,n=this.editor.editing.view,o=Array.from(i.getSelectedBlocks()),s=t.createRange(t.createPositionBefore(o[0]),t.createPositionAfter(o[o.length-1]));t.change((e=>e.setSelection(s))),this._isBlockDragging=!0,n.focus(),n.getObserver(r).onDomEvent(e)}_handleBlockDragging(e){if(!this.isEnabled||!this._isBlockDragging)return;const t=e.clientX+("ltr"==this.editor.locale.contentLanguageDirection?100:-100),i=e.clientY,n=document.elementFromPoint(t,i),o=this.editor.editing.view;n&&n.closest(".ck-editor__editable")&&o.getObserver(r).onDomEvent({...e,type:e.type,dataTransfer:e.dataTransfer,target:n,clientX:t,clientY:i,preventDefault:()=>e.preventDefault(),stopPropagation:()=>e.stopPropagation()})}_handleBlockDragEnd(){this._isBlockDragging=!1}}class C extends n.Plugin{constructor(){super(...arguments),this._clearDraggableAttributesDelayed=(0,o.delay)((()=>this._clearDraggableAttributes()),40),this._blockMode=!1,this._domEmitter=new((0,o.DomEmitterMixin)())}static get pluginName(){return"DragDrop"}static get requires(){return[d,h.Widget,p,k]}init(){const e=this.editor,t=e.editing.view;this._draggedRange=null,this._draggingUid="",this._draggableElement=null,t.addObserver(r),t.addObserver(s.MouseObserver),this._setupDragging(),this._setupContentInsertionIntegration(),this._setupClipboardInputIntegration(),this._setupDraggableAttributeHandling(),this.listenTo(e,"change:isReadOnly",((e,t,i)=>{i?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})),this.on("change:isEnabled",((e,t,i)=>{i||this._finalizeDragging(!1)})),o.env.isAndroid&&this.forceDisabled("noAndroidSupport")}destroy(){return this._draggedRange&&(this._draggedRange.detach(),this._draggedRange=null),this._previewContainer&&this._previewContainer.remove(),this._domEmitter.stopListening(),this._clearDraggableAttributesDelayed.cancel(),super.destroy()}_setupDragging(){const e=this.editor,t=e.model,i=e.editing.view,n=i.document,s=e.plugins.get(p);this.listenTo(n,"dragstart",((e,i)=>{if(i.target&&i.target.is("editableElement"))return void i.preventDefault();if(this._prepareDraggedRange(i.target),!this._draggedRange)return void i.preventDefault();this._draggingUid=(0,o.uid)(),i.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy",i.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const n=t.createSelection(this._draggedRange.toRange());this.editor.plugins.get("ClipboardPipeline")._fireOutputTransformationEvent(i.dataTransfer,n,"dragstart");const{dataTransfer:s,domTarget:r,domEvent:a}=i,{clientX:l}=a;this._updatePreview({dataTransfer:s,domTarget:r,clientX:l}),i.stopPropagation(),this.isEnabled||(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="")}),{priority:"low"}),this.listenTo(n,"dragend",((e,t)=>{this._finalizeDragging(!t.dataTransfer.isCanceled&&"move"==t.dataTransfer.dropEffect)}),{priority:"low"}),this._domEmitter.listenTo(o.global.document,"dragend",(()=>{this._blockMode=!1}),{useCapture:!0}),this.listenTo(n,"dragenter",(()=>{this.isEnabled&&i.focus()})),this.listenTo(n,"dragleave",(()=>{s.removeDropMarkerDelayed()})),this.listenTo(n,"dragging",((e,t)=>{if(!this.isEnabled)return void(t.dataTransfer.dropEffect="none");const{clientX:i,clientY:n}=t.domEvent;s.updateDropMarker(t.target,t.targetRanges,i,n,this._blockMode,this._draggedRange),this._draggedRange||(t.dataTransfer.dropEffect="copy"),o.env.isGecko||("copy"==t.dataTransfer.effectAllowed?t.dataTransfer.dropEffect="copy":["all","copyMove"].includes(t.dataTransfer.effectAllowed)&&(t.dataTransfer.dropEffect="move")),e.stop()}),{priority:"low"})}_setupClipboardInputIntegration(){const e=this.editor,t=e.editing.view.document,i=e.plugins.get(p);this.listenTo(t,"clipboardInput",((t,n)=>{if("drop"!=n.method)return;const{clientX:o,clientY:s}=n.domEvent,r=i.getFinalDropRange(n.target,n.targetRanges,o,s,this._blockMode,this._draggedRange);return r?(this._draggedRange&&this._draggingUid!=n.dataTransfer.getData("application/ckeditor5-dragging-uid")&&(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid=""),"move"==A(n.dataTransfer)&&this._draggedRange&&this._draggedRange.containsRange(r,!0)?(this._finalizeDragging(!1),void t.stop()):void(n.targetRanges=[e.editing.mapper.toViewRange(r)])):(this._finalizeDragging(!1),void t.stop())}),{priority:"high"})}_setupContentInsertionIntegration(){const e=this.editor.plugins.get(d);e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const i=t.targetRanges.map((e=>this.editor.editing.mapper.toModelRange(e)));this.editor.model.change((e=>e.setSelection(i)))}),{priority:"high"}),e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const i="move"==A(t.dataTransfer),n=!t.resultRange||!t.resultRange.isCollapsed;this._finalizeDragging(n&&i)}),{priority:"lowest"})}_setupDraggableAttributeHandling(){const e=this.editor,t=e.editing.view,i=t.document;this.listenTo(i,"mousedown",((n,s)=>{if(o.env.isAndroid||!s)return;this._clearDraggableAttributesDelayed.cancel();let r=E(s.target);if(o.env.isBlink&&!e.isReadOnly&&!r&&!i.selection.isCollapsed){const e=i.selection.getSelectedElement();e&&(0,h.isWidget)(e)||(r=i.selection.editableElement)}r&&(t.change((e=>{e.setAttribute("draggable","true",r)})),this._draggableElement=e.editing.mapper.toModelElement(r))})),this.listenTo(i,"mouseup",(()=>{o.env.isAndroid||this._clearDraggableAttributesDelayed()}))}_clearDraggableAttributes(){const e=this.editor.editing;e.view.change((t=>{this._draggableElement&&"$graveyard"!=this._draggableElement.root.rootName&&t.removeAttribute("draggable",e.mapper.toViewElement(this._draggableElement)),this._draggableElement=null}))}_finalizeDragging(e){const t=this.editor,i=t.model;t.plugins.get(p).removeDropMarker(),this._clearDraggableAttributes(),t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").clearForceDisabled("dragDrop"),this._draggingUid="",this._previewContainer&&(this._previewContainer.remove(),this._previewContainer=void 0),this._draggedRange&&(e&&this.isEnabled&&i.change((e=>{const t=i.createSelection(this._draggedRange);i.deleteContent(t,{doNotAutoparagraph:!0});const n=t.getFirstPosition().parent;n.isEmpty&&!i.schema.checkChild(n,"$text")&&i.schema.checkChild(n,"paragraph")&&e.insertElement("paragraph",n,0)})),this._draggedRange.detach(),this._draggedRange=null)}_prepareDraggedRange(e){const t=this.editor,i=t.model,n=i.document.selection,o=e?E(e):null;if(o){const e=t.editing.mapper.toModelElement(o);return this._draggedRange=s.LiveRange.fromRange(i.createRangeOn(e)),this._blockMode=i.schema.isBlock(e),void(t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").forceDisabled("dragDrop"))}if(n.isCollapsed&&!n.getFirstPosition().parent.isEmpty)return;const r=Array.from(n.getSelectedBlocks()),a=n.getFirstRange();if(0==r.length)return void(this._draggedRange=s.LiveRange.fromRange(a));const l=x(i,r);if(r.length>1)this._draggedRange=s.LiveRange.fromRange(l),this._blockMode=!0;else if(1==r.length){const e=a.start.isTouching(l.start)&&a.end.isTouching(l.end);this._draggedRange=s.LiveRange.fromRange(e?l:a),this._blockMode=e}i.change((e=>e.setSelection(this._draggedRange.toRange())))}_updatePreview({dataTransfer:e,domTarget:t,clientX:i}){const n=this.editor.editing.view,s=n.document.selection.editableElement,r=n.domConverter.mapViewToDom(s),a=o.global.window.getComputedStyle(r);this._previewContainer?this._previewContainer.firstElementChild&&this._previewContainer.removeChild(this._previewContainer.firstElementChild):(this._previewContainer=(0,o.createElement)(o.global.document,"div",{style:"position: fixed; left: -999999px;"}),o.global.document.body.appendChild(this._previewContainer));const l=new o.Rect(r);if(r.contains(t))return;const c=parseFloat(a.paddingLeft),d=(0,o.createElement)(o.global.document,"div");d.className="ck ck-content",d.style.width=a.width,d.style.paddingLeft=`${l.left-i+c}px`,o.env.isiOS&&(d.style.backgroundColor="white"),d.innerHTML=e.getData("text/html"),e.setDragImage(d,0,0),this._previewContainer.appendChild(d)}}function A(e){return o.env.isGecko?e.dropEffect:["all","copyMove"].includes(e.effectAllowed)?"move":"copy"}function E(e){if(e.is("editableElement"))return null;if(e.hasClass("ck-widget__selection-handle"))return e.findAncestor(h.isWidget);if((0,h.isWidget)(e))return e;const t=e.findAncestor((e=>(0,h.isWidget)(e)||e.is("editableElement")));return(0,h.isWidget)(t)?t:null}function x(e,t){const i=t[0],n=t[t.length-1],o=i.getCommonAncestor(n),s=e.createPositionBefore(i),r=e.createPositionAfter(n);if(o&&o.is("element")&&!e.schema.isLimit(o)){const t=e.createRangeOn(o),i=s.isTouching(t.start),n=r.isTouching(t.end);if(i&&n)return x(e,[o])}return e.createRange(s,r)}class T extends n.Plugin{static get pluginName(){return"PastePlainText"}static get requires(){return[d]}init(){const e=this.editor,t=e.model,i=e.editing.view,n=i.document,o=t.document.selection;let s=!1;i.addObserver(r),this.listenTo(n,"keydown",((e,t)=>{s=t.shiftKey})),e.plugins.get(d).on("contentInsertion",((e,i)=>{(s||function(e,t){if(e.childCount>1)return!1;const i=e.getChild(0);return!t.isObject(i)&&0==Array.from(i.getAttributeKeys()).length}(i.content,t.schema))&&t.change((e=>{const n=Array.from(o.getAttributes()).filter((([e])=>t.schema.getAttributeProperties(e).isFormatting));o.isCollapsed||t.deleteContent(o,{doNotAutoparagraph:!0}),n.push(...o.getAttributes());const s=e.createRangeIn(i.content);for(const t of s.getItems())t.is("$textProxy")&&e.setAttributes(n,t)}))}))}}class S extends n.Plugin{static get pluginName(){return"Clipboard"}static get requires(){return[d,C,T]}}},3016:(e,t,i)=>{"use strict";i.r(t),i.d(t,{CodeBlock:()=>v,CodeBlockEditing:()=>g,CodeBlockUI:()=>w});var n=i(7050),o=i(5074),s=i(7422),r=i(5608),a=i(9898);class l extends n.mY{constructor(e){super(e),this._lastLanguage=null}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor,i=t.model,n=i.document.selection,o=(0,a.getNormalizedAndLocalizedLanguageDefinitions)(t)[0],s=Array.from(n.getSelectedBlocks()),r=null==e.forceValue?!this.value:e.forceValue,l=function(e,t,i){return e.language?e.language:e.usePreviousLanguageChoice&&t?t:i}(e,this._lastLanguage,o.language);i.change((e=>{r?this._applyCodeBlock(e,s,l):this._removeCodeBlock(e,s)}))}_getValue(){const e=this.editor.model.document.selection,t=(0,r.Ps)(e.getSelectedBlocks());return!(!t||!t.is("element","codeBlock"))&&t.getAttribute("language")}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,i=(0,r.Ps)(e.getSelectedBlocks());return!!i&&(0,a.canBeCodeBlock)(t,i)}_applyCodeBlock(e,t,i){this._lastLanguage=i;const n=this.editor.model.schema,o=t.filter((e=>(0,a.canBeCodeBlock)(n,e)));for(const t of o)e.rename(t,"codeBlock"),e.setAttribute("language",i,t),n.removeDisallowedAttributes([t],e),Array.from(t.getChildren()).filter((e=>!n.checkChild(t,e))).forEach((t=>e.remove(t)));o.reverse().forEach(((t,i)=>{const n=o[i+1];t.previousSibling===n&&(e.appendElement("softBreak",n),e.merge(e.createPositionBefore(t)))}))}_removeCodeBlock(e,t){const i=t.filter((e=>e.is("element","codeBlock")));for(const t of i){const i=e.createRangeOn(t);for(const t of Array.from(i.getItems()).reverse())if(t.is("element","softBreak")&&t.parent.is("element","codeBlock")){const{position:i}=e.split(e.createPositionBefore(t)),n=i.nodeAfter;e.rename(n,"paragraph"),e.removeAttribute("language",n),e.remove(t)}e.rename(t,"paragraph"),e.removeAttribute("language",t)}}}class c extends n.mY{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change((t=>{const i=(0,a.getIndentOutdentPositions)(e);for(const n of i){const i=t.createText(this._indentSequence);e.insertContent(i,n)}}))}_checkEnabled(){return!!this._indentSequence&&(0,a.isModelSelectionInCodeBlock)(this.editor.model.document.selection)}}class d extends n.mY{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change((()=>{const t=(0,a.getIndentOutdentPositions)(e);for(const i of t){const t=h(e,i,this._indentSequence);t&&e.deleteContent(e.createSelection(t))}}))}_checkEnabled(){if(!this._indentSequence)return!1;const e=this.editor.model;return!!(0,a.isModelSelectionInCodeBlock)(e.document.selection)&&(0,a.getIndentOutdentPositions)(e).some((t=>h(e,t,this._indentSequence)))}}function h(e,t,i){const n=function(e){let t=e.parent.getChild(e.index);return t&&!t.is("element","softBreak")||(t=e.nodeBefore),!t||t.is("element","softBreak")?null:t}(t);if(!n)return null;const o=(0,a.getLeadingWhiteSpaces)(n),s=o.lastIndexOf(i);if(s+i.length!==o.length)return null;if(-1===s)return null;const{parent:r,startOffset:l}=n;return e.createRange(e.createPositionAt(r,l+s),e.createPositionAt(r,l+s+i.length))}function u(e,t,i=!1){const n=(0,a.getPropertyAssociation)(t,"language","class"),o=(0,a.getPropertyAssociation)(t,"language","label");return(t,s,r)=>{const{writer:a,mapper:l,consumable:c}=r;if(!c.consume(s.item,"insert"))return;const d=s.item.getAttribute("language"),h=l.toViewPosition(e.createPositionBefore(s.item)),u={};i&&(u["data-language"]=o[d],u.spellcheck="false");const m=n[d]?{class:n[d]}:void 0,g=a.createContainerElement("code",m),f=a.createContainerElement("pre",u,g);a.insert(h,f),l.bindElements(s.item,g)}}const m="paragraph";class g extends n.Sy{static get pluginName(){return"CodeBlockEditing"}static get requires(){return[o.G]}constructor(e){super(e),e.config.define("codeBlock",{languages:[{language:"plaintext",label:"Plain text"},{language:"c",label:"C"},{language:"cs",label:"C#"},{language:"cpp",label:"C++"},{language:"css",label:"CSS"},{language:"diff",label:"Diff"},{language:"html",label:"HTML"},{language:"java",label:"Java"},{language:"javascript",label:"JavaScript"},{language:"php",label:"PHP"},{language:"python",label:"Python"},{language:"ruby",label:"Ruby"},{language:"typescript",label:"TypeScript"},{language:"xml",label:"XML"}],indentSequence:"\t"})}init(){const e=this.editor,t=e.model.schema,i=e.model,n=e.editing.view,o=e.plugins.has("ListEditing")?e.plugins.get("ListEditing"):null,r=(0,a.getNormalizedAndLocalizedLanguageDefinitions)(e);e.commands.add("codeBlock",new l(e)),e.commands.add("indentCodeBlock",new c(e)),e.commands.add("outdentCodeBlock",new d(e)),this.listenTo(n.document,"tab",((t,i)=>{const n=i.shiftKey?"outdentCodeBlock":"indentCodeBlock";e.commands.get(n).isEnabled&&(e.execute(n),i.stopPropagation(),i.preventDefault(),t.stop())}),{context:"pre"}),t.register("codeBlock",{allowWhere:"$block",allowChildren:"$text",isBlock:!0,allowAttributes:["language"]}),t.addAttributeCheck(((e,t)=>!!(e.endsWith("codeBlock")&&o&&o.getListAttributeNames().includes(t))||!e.endsWith("codeBlock $text")&&void 0)),e.model.schema.addChildCheck(((e,t)=>{if(e.endsWith("codeBlock")&&t.isObject)return!1})),e.editing.downcastDispatcher.on("insert:codeBlock",u(i,r,!0)),e.data.downcastDispatcher.on("insert:codeBlock",u(i,r)),e.data.downcastDispatcher.on("insert:softBreak",function(e){return(t,i,n)=>{if("codeBlock"!==i.item.parent.name)return;const{writer:o,mapper:s,consumable:r}=n;if(!r.consume(i.item,"insert"))return;const a=s.toViewPosition(e.createPositionBefore(i.item));o.insert(a,o.createText("\n"))}}(i),{priority:"high"}),e.data.upcastDispatcher.on("element:code",function(e,t){const 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e=this.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,e.stickyPanel.bind("viewportTopOffset").to(this,"viewportOffset",(({top:e})=>e||0)),e.toolbar.fillFromConfig(this._toolbarConfig,this.componentFactory),this.addToolbar(e.toolbar)}_initPlaceholder(){const e=this.editor,t=e.editing.view,i=t.document.getRoot(),n=e.sourceElement;let s;const r=e.config.get("placeholder");r&&(s="string"==typeof r?r:r[this.view.editable.name]),!s&&n&&"textarea"===n.tagName.toLowerCase()&&(s=n.getAttribute("placeholder")),s&&(i.placeholder=s),(0,o.ID)({view:t,element:i,isDirectHost:!1,keepOnFocus:!0})}_handleScrollToTheSelectionWithStickyPanel(e,t,i){const n=this.view.stickyPanel;if(n.isSticky){const e=new s.UL(n.element).height;t.viewportOffset.top+=e}else{const 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this._getWatchdog(e).state}add(e){const t=_(e);return Promise.all(t.map((e=>this._actionQueues.enqueue(e.id,(()=>{if("destroyed"===this.state)throw new Error("Cannot add items to destroyed watchdog.");if(!this._context)throw new Error("Context was not created yet. You should call the `ContextWatchdog#create()` method first.");let t;if(this._watchdogs.has(e.id))throw new Error(`Item with the given id is already added: '${e.id}'.`);if("editor"===e.type)return t=new p(null,this._watchdogConfig),t.setCreator(e.creator),t._setExcludedProperties(this._contextProps),e.destructor&&t.setDestructor(e.destructor),this._watchdogs.set(e.id,t),t.on("error",((i,{error:n,causesRestart:o})=>{this._fire("itemError",{itemId:e.id,error:n}),o&&this._actionQueues.enqueue(e.id,(()=>new Promise((i=>{const n=()=>{t.off("restart",n),this._fire("itemRestart",{itemId:e.id}),i()};t.on("restart",n)}))))})),t.create(e.sourceElementOrData,e.config,this._context);throw new Error(`Not supported item type: '${e.type}'.`)})))))}remove(e){const t=_(e);return Promise.all(t.map((e=>this._actionQueues.enqueue(e,(()=>{const t=this._getWatchdog(e);return this._watchdogs.delete(e),t.destroy()})))))}destroy(){return this._actionQueues.enqueue(w,(()=>(this.state="destroyed",this._fire("stateChange"),super.destroy(),this._destroy())))}_restart(){return this._actionQueues.enqueue(w,(()=>(this.state="initializing",this._fire("stateChange"),this._destroy().catch((e=>{console.error("An error happened during destroying the context or items.",e)})).then((()=>this._create())).then((()=>this._fire("restart"))))))}_create(){return Promise.resolve().then((()=>(this._startErrorHandling(),this._creator(this._contextConfig)))).then((e=>(this._context=e,this._contextProps=d(this._context),Promise.all(Array.from(this._watchdogs.values()).map((e=>(e._setExcludedProperties(this._contextProps),e.create(void 0,void 0,this._context))))))))}_destroy(){return Promise.resolve().then((()=>{this._stopErrorHandling();const e=this._context;return this._context=null,this._contextProps=new Set,Promise.all(Array.from(this._watchdogs.values()).map((e=>e.destroy()))).then((()=>this._destructor(e)))}))}_getWatchdog(e){const 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RegExp)&&(t={name:t}),this._patterns.push(t)}match(...e){for(const t of e)for(const e of this._patterns){const i=k(t,e);if(i)return{element:t,pattern:e,match:i}}return null}matchAll(...e){const t=[];for(const i of e)for(const e of this._patterns){const n=k(i,e);n&&t.push({element:i,pattern:e,match:n})}return t.length>0?t:null}getElementName(){if(1!==this._patterns.length)return null;const e=this._patterns[0],t=e.name;return"function"==typeof e||!t||t instanceof RegExp?null:t}}function k(e,t){if("function"==typeof t)return t(e);const i={};return t.name&&(i.name=function(e,t){return e instanceof RegExp?!!t.match(e):e===t}(t.name,e.name),!i.name)||t.attributes&&(i.attributes=function(e,t){const i=new Set(t.getAttributeKeys());return(0,_.Z)(e)?(void 0!==e.style&&(0,n.logWarning)("matcher-pattern-deprecated-attributes-style-key",e),void 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Array.isArray(t)}set(e,t){if((0,A.Z)(e))for(const[t,i]of Object.entries(e))this._styleProcessor.toNormalizedForm(t,i,this._styles);else this._styleProcessor.toNormalizedForm(e,t,this._styles)}remove(e){const t=fe(e);(function(e,t){null==e||W(e,t)})(this._styles,t),delete this._styles[e],this._cleanEmptyObjectsOnPath(t)}getNormalized(e){return this._styleProcessor.getNormalized(e,this._styles)}toString(){return this.isEmpty?"":this._getStylesEntries().map((e=>e.join(":"))).sort().join(";")+";"}getAsString(e){if(this.isEmpty)return;if(this._styles[e]&&!(0,A.Z)(this._styles[e]))return this._styles[e];const t=this._styleProcessor.getReducedForm(e,this._styles).find((([t])=>t===e));return Array.isArray(t)?t[1]:void 0}getStyleNames(e=!1){return this.isEmpty?[]:e?this._styleProcessor.getStyleNames(this._styles):this._getStylesEntries().map((([e])=>e))}clear(){this._styles={}}_getStylesEntries(){const e=[],t=Object.keys(this._styles);for(const i of 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i&&"object"==typeof i?Object.keys(i).length:i})),i=new Set([...t,...Object.keys(e)]);return Array.from(i)}getRelatedStyles(e){return this._consumables.get(e)||[]}setNormalizer(e,t){this._normalizers.set(e,t)}setExtractor(e,t){this._extractors.set(e,t)}setReducer(e,t){this._reducers.set(e,t)}setStyleRelation(e,t){this._mapStyleNames(e,t);for(const i of t)this._mapStyleNames(i,[e])}_mapStyleNames(e,t){this._consumables.has(e)||this._consumables.set(e,[]),this._consumables.get(e).push(...t)}}function fe(e){return e.replace("-",".")}function pe(e,t,i){let n=i;(0,A.Z)(i)&&(n=ce({},H(e,t),i)),ue(e,t,n)}class be extends b{constructor(e,t,i,o){if(super(e),this._unsafeAttributesToRender=[],this._customProperties=new Map,this.name=t,this._attrs=function(e){const t=(0,n.toMap)(e);for(const[e,i]of t)null===i?t.delete(e):"string"!=typeof i&&t.set(e,String(i));return t}(i),this._children=[],o&&this._insertChild(0,o),this._classes=new Set,this._attrs.has("class")){const 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this._insertChild(this.childCount,e)}_insertChild(e,t){this._fireChange("children",this);let i=0;const o=function(e,t){return"string"==typeof t?[new w(e,t)]:((0,n.isIterable)(t)||(t=[t]),Array.from(t).map((t=>"string"==typeof t?new w(e,t):t instanceof v?new w(e,t.data):t)))}(this.document,t);for(const t of o)null!==t.parent&&t._remove(),t.parent=this,t.document=this.document,this._children.splice(e,0,t),e++,i++;return i}_removeChildren(e,t=1){this._fireChange("children",this);for(let i=e;i0&&(this._classes.clear(),!0):"style"==e?!this._styles.isEmpty&&(this._styles.clear(),!0):this._attrs.delete(e)}_addClass(e){this._fireChange("attributes",this);for(const t of(0,n.toArray)(e))this._classes.add(t)}_removeClass(e){this._fireChange("attributes",this);for(const t of(0,n.toArray)(e))this._classes.delete(t)}_setStyle(e,t){this._fireChange("attributes",this),"string"!=typeof e?this._styles.set(e):this._styles.set(e,t)}_removeStyle(e){this._fireChange("attributes",this);for(const t 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extends((0,n.ObservableMixin)(ve)){constructor(e,t,i,n){super(e,t,i,n),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("placeholder",void 0),this.bind("isReadOnly").to(e),this.bind("isFocused").to(e,"isFocused",(t=>t&&e.selection.editableElement==this)),this.listenTo(e.selection,"change",(()=>{this.isFocused=e.isFocused&&e.selection.editableElement==this}))}destroy(){this.stopListening()}}ye.prototype.is=function(e,t){return t?t===this.name&&("editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};const ke=Symbol("rootName");class Ce extends ye{constructor(e,t){super(e,t),this.rootName="main"}get rootName(){return this.getCustomProperty(ke)}set rootName(e){this._setCustomProperty(ke,e)}set _name(e){this.name=e}}Ce.prototype.is=function(e,t){return t?t===this.name&&("rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e};class Ae{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new n.CKEditorError("view-tree-walker-no-start-position",null);if(e.direction&&"forward"!=e.direction&&"backward"!=e.direction)throw new n.CKEditorError("view-tree-walker-unknown-direction",e.startPosition,{direction:e.direction});this.boundaries=e.boundaries||null,e.startPosition?this._position=Ee._createAt(e.startPosition):this._position=Ee._createAt(e.boundaries["backward"==e.direction?"end":"start"]),this.direction=e.direction||"forward",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}get position(){return this._position}skip(e){let t,i;do{i=this.position,t=this.next()}while(!t.done&&e(t.value));t.done||(this._position=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let e=this.position.clone();const t=this.position,i=e.parent;if(null===i.parent&&e.offset===i.childCount)return{done:!0,value:void 0};if(i===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0,value:void 0};let n;if(i instanceof w){if(e.isAtEnd)return this._position=Ee._createAfter(i),this._next();n=i.data[e.offset]}else n=i.getChild(e.offset);if(n instanceof be){if(this.shallow){if(this.boundaries&&this.boundaries.end.isBefore(e))return{done:!0,value:void 0};e.offset++}else e=new Ee(n,0);return this._position=e,this._formatReturnValue("elementStart",n,t,e,1)}if(n instanceof w){if(this.singleCharacters)return e=new Ee(n,0),this._position=e,this._next();let i,o=n.data.length;return n==this._boundaryEndParent?(o=this.boundaries.end.offset,i=new v(n,0,o),e=Ee._createAfter(i)):(i=new v(n,0,n.data.length),e.offset++),this._position=e,this._formatReturnValue("text",i,t,e,o)}if("string"==typeof n){let n;n=this.singleCharacters?1:(i===this._boundaryEndParent?this.boundaries.end.offset:i.data.length)-e.offset;const o=new v(i,e.offset,n);return e.offset+=n,this._position=e,this._formatReturnValue("text",o,t,e,n)}return e=Ee._createAfter(i),this._position=e,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",i,t,e)}_previous(){let e=this.position.clone();const t=this.position,i=e.parent;if(null===i.parent&&0===e.offset)return{done:!0,value:void 0};if(i==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0,value:void 0};let n;if(i instanceof w){if(e.isAtStart)return this._position=Ee._createBefore(i),this._previous();n=i.data[e.offset-1]}else n=i.getChild(e.offset-1);if(n instanceof be)return this.shallow?(e.offset--,this._position=e,this._formatReturnValue("elementStart",n,t,e,1)):(e=new Ee(n,n.childCount),this._position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",n,t,e));if(n instanceof w){if(this.singleCharacters)return e=new Ee(n,n.data.length),this._position=e,this._previous();let i,o=n.data.length;if(n==this._boundaryStartParent){const t=this.boundaries.start.offset;i=new v(n,t,n.data.length-t),o=i.data.length,e=Ee._createBefore(i)}else i=new v(n,0,n.data.length),e.offset--;return this._position=e,this._formatReturnValue("text",i,t,e,o)}if("string"==typeof n){let n;if(this.singleCharacters)n=1;else{const t=i===this._boundaryStartParent?this.boundaries.start.offset:0;n=e.offset-t}e.offset-=n;const o=new v(i,e.offset,n);return this._position=e,this._formatReturnValue("text",o,t,e,n)}return e=Ee._createBefore(i),this._position=e,this._formatReturnValue("elementStart",i,t,e,1)}_formatReturnValue(e,t,i,n,o){return t instanceof v&&(t.offsetInText+t.data.length==t.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?i=Ee._createAfter(t.textNode):(n=Ee._createAfter(t.textNode),this._position=n)),0===t.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?i=Ee._createBefore(t.textNode):(n=Ee._createBefore(t.textNode),this._position=n))),{done:!1,value:{type:e,item:t,previousPosition:i,nextPosition:n,length:o}}}}class Ee extends g{constructor(e,t){super(),this.parent=e,this.offset=t}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const e=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e instanceof ye);){if(!e.parent)return null;e=e.parent}return e}getShiftedBy(e){const t=Ee._createAt(this),i=t.offset+e;return t.offset=i<0?0:i,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const i=new Ae(t);return i.skip(e),i.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),i=e.getAncestors();let n=0;for(;t[n]==i[n]&&t[n];)n++;return 0===n?null:t[n-1]}isEqual(e){return this.parent==e.parent&&this.offset==e.offset}isBefore(e){return"before"==this.compareWith(e)}isAfter(e){return"after"==this.compareWith(e)}compareWith(e){if(this.root!==e.root)return"different";if(this.isEqual(e))return"same";const t=this.parent.is("node")?this.parent.getPath():[],i=e.parent.is("node")?e.parent.getPath():[];t.push(this.offset),i.push(e.offset);const o=(0,n.compareArrays)(t,i);switch(o){case"prefix":return"before";case"extension":return"after";default:return t[o]0?new this(i,n):new this(n,i)}static _createIn(e){return this._createFromParentsAndOffsets(e,0,e,e.childCount)}static _createOn(e){const t=e.is("$textProxy")?e.offsetSize:1;return this._createFromPositionAndShift(Ee._createBefore(e),t)}}function Te(e){return!(!e.item.is("attributeElement")&&!e.item.is("uiElement"))}xe.prototype.is=function(e){return"range"===e||"view:range"===e};class Se extends((0,n.EmitterMixin)(g)){constructor(...e){super(),this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",e.length&&this.setTo(...e)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.end:e.start).clone()}get focus(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.start:e.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const e of this._ranges)yield e.clone()}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?e.clone():null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?e.clone():null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let i=!1;for(const n of e._ranges)if(t.isEqual(n)){i=!0;break}if(!i)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=(0,n.count)(this.getRanges());if(t!=(0,n.count)(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let i=!1;for(let n of e.getRanges())if(n=n.getTrimmed(),t.start.isEqual(n.start)&&t.end.isEqual(n.end)){i=!0;break}if(!i)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(...e){let[t,i,o]=e;if("object"==typeof i&&(o=i,i=void 0),null===t)this._setRanges([]),this._setFakeOptions(o);else if(t instanceof Se||t instanceof Pe)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof xe)this._setRanges([t],o&&o.backward),this._setFakeOptions(o);else if(t instanceof Ee)this._setRanges([new xe(t)]),this._setFakeOptions(o);else if(t instanceof b){const e=!!o&&!!o.backward;let s;if(void 0===i)throw new n.CKEditorError("view-selection-setto-required-second-parameter",this);s="in"==i?xe._createIn(t):"on"==i?xe._createOn(t):new xe(Ee._createAt(t,i)),this._setRanges([s],e),this._setFakeOptions(o)}else{if(!(0,n.isIterable)(t))throw new n.CKEditorError("view-selection-setto-not-selectable",this);this._setRanges(t,o&&o.backward),this._setFakeOptions(o)}this.fire("change")}setFocus(e,t){if(null===this.anchor)throw new n.CKEditorError("view-selection-setfocus-no-ranges",this);const i=Ee._createAt(e,t);if("same"==i.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==i.compareWith(o)?this._addRange(new xe(i,o),!0):this._addRange(new xe(o,i)),this.fire("change")}_setRanges(e,t=!1){e=Array.from(e),this._ranges=[];for(const t of e)this._addRange(t);this._lastRangeBackward=!!t}_setFakeOptions(e={}){this._isFake=!!e.fake,this._fakeSelectionLabel=e.fake&&e.label||""}_addRange(e,t=!1){if(!(e instanceof xe))throw new 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this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(e){return this._selection.isEqual(e)}isSimilar(e){return this._selection.isSimilar(e)}_setTo(...e){this._selection.setTo(...e)}_setFocus(e,t){this._selection.setFocus(e,t)}}Pe.prototype.is=function(e){return"selection"===e||"documentSelection"==e||"view:selection"==e||"view:documentSelection"==e};class Ie extends n.EventInfo{constructor(e,t,i){super(e,t),this.startRange=i,this._eventPhase="none",this._currentTarget=null}get eventPhase(){return this._eventPhase}get currentTarget(){return this._currentTarget}}const Ve=Symbol("bubbling contexts");function Re(e){return class extends e{fire(e,...t){try{const i=e instanceof 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w?Xe(s,r):Ye(o)}_wrapAttributeElement(e,t){if(!ot(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const i of e.getAttributeKeys())if("class"!==i&&"style"!==i&&t.hasAttribute(i)&&t.getAttribute(i)!==e.getAttribute(i))return!1;for(const i of e.getStyleNames())if(t.hasStyle(i)&&t.getStyle(i)!==e.getStyle(i))return!1;for(const i of e.getAttributeKeys())"class"!==i&&"style"!==i&&(t.hasAttribute(i)||this.setAttribute(i,e.getAttribute(i),t));for(const i of e.getStyleNames())t.hasStyle(i)||this.setStyle(i,e.getStyle(i),t);for(const i of e.getClassNames())t.hasClass(i)||this.addClass(i,t);return!0}_unwrapAttributeElement(e,t){if(!ot(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const i of e.getAttributeKeys())if("class"!==i&&"style"!==i&&(!t.hasAttribute(i)||t.getAttribute(i)!==e.getAttribute(i)))return!1;if(!t.hasClass(...e.getClassNames()))return!1;for(const i of 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e.clone();if(it(o))return e.clone();if(o.is("$text"))return this._breakAttributes(Qe(e),t);if(i==o.childCount){const e=new Ee(o.parent,o.index+1);return this._breakAttributes(e,t)}if(0===i){const e=new Ee(o.parent,o.index);return this._breakAttributes(e,t)}{const e=o.index+1,n=o._clone();o.parent._insertChild(e,n),this._addToClonedElementsGroup(n);const s=o.childCount-i,r=o._removeChildren(i,s);n._appendChild(r);const a=new Ee(o.parent,e);return this._breakAttributes(a,t)}}_addToClonedElementsGroup(e){if(!e.root.is("rootElement"))return;if(e.is("element"))for(const t of e.getChildren())this._addToClonedElementsGroup(t);const t=e.id;if(!t)return;let i=this._cloneGroups.get(t);i||(i=new Set,this._cloneGroups.set(t,i)),i.add(e),e._clonesGroup=i}_removeFromClonedElementsGroup(e){if(e.is("element"))for(const t of e.getChildren())this._removeFromClonedElementsGroup(t);const t=e.id;if(!t)return;const i=this._cloneGroups.get(t);i&&i.delete(e)}}function Je(e){let 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i=Je(e.start),o=Je(e.end);if(!i||!o||i!==o)throw new n.CKEditorError("view-writer-invalid-range-container",t)}function ot(e,t){return null===e.id&&null===t.id}const st=e=>e.createTextNode(" "),rt=e=>{const t=e.createElement("span");return t.dataset.ckeFiller="true",t.innerText=" ",t},at=e=>{const t=e.createElement("br");return t.dataset.ckeFiller="true",t},lt=7,ct="⁠".repeat(lt);function dt(e){return"string"==typeof e?e.substr(0,lt)===ct:(0,n.isText)(e)&&e.data.substr(0,lt)===ct}function ht(e){return e.data.length==lt&&dt(e)}function ut(e){const t="string"==typeof e?e:e.data;return dt(e)?t.slice(lt):t}function mt(e,t){if(t.keyCode==n.keyCodes.arrowleft){const e=t.domTarget.ownerDocument.defaultView.getSelection();if(1==e.rangeCount&&e.getRangeAt(0).collapsed){const t=e.getRangeAt(0).startContainer,i=e.getRangeAt(0).startOffset;dt(t)&&i<=lt&&e.collapse(t,0)}}}class gt extends((0,n.ObservableMixin)()){constructor(e,t){super(),this.domDocuments=new Set,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this._inlineFiller=null,this._fakeSelectionContainer=null,this.domConverter=e,this.selection=t,this.set("isFocused",!1),this.set("isSelecting",!1),n.env.isBlink&&!n.env.isAndroid&&this.on("change:isSelecting",(()=>{this.isSelecting||this.render()})),this.set("isComposing",!1),this.on("change:isComposing",(()=>{this.isComposing||this.render()}))}markToSync(e,t){if("text"===e)this.domConverter.mapViewToDom(t.parent)&&this.markedTexts.add(t);else{if(!this.domConverter.mapViewToDom(t))return;if("attributes"===e)this.markedAttributes.add(t);else{if("children"!==e)throw new n.CKEditorError("view-renderer-unknown-type",this);this.markedChildren.add(t)}}}render(){if(this.isComposing&&!n.env.isAndroid)return;let e=null;const t=!(n.env.isBlink&&!n.env.isAndroid&&this.isSelecting);for(const e of this.markedChildren)this._updateChildrenMappings(e);t?(this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?e=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(e=this.selection.getFirstPosition(),this.markedChildren.add(e.parent))):this._inlineFiller&&this._inlineFiller.parentNode&&(e=this.domConverter.domPositionToView(this._inlineFiller),e&&e.parent.is("$text")&&(e=Ee._createBefore(e.parent)));for(const e of this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});if(t)if(e){const t=this.domConverter.viewPositionToDom(e),i=t.parent.ownerDocument;dt(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=ft(i,t.parent,t.offset)}else this._inlineFiller=null;this._updateFocus(),this._updateSelection(),this.domConverter._clearTemporaryCustomProperties(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const i=Array.from(t.childNodes),o=Array.from(this.domConverter.viewChildrenToDom(e,{withChildren:!1})),s=this._diffNodeLists(i,o),r=this._findUpdateActions(s,i,o,pt);if(-1!==r.indexOf("update")){const t={equal:0,insert:0,delete:0};for(const s of r)if("update"===s){const s=t.equal+t.insert,r=t.equal+t.delete,a=e.getChild(s);!a||a.is("uiElement")||a.is("rawElement")||this._updateElementMappings(a,i[r]),(0,n.remove)(o[s]),t.equal++}else t[s]++}}_updateElementMappings(e,t){this.domConverter.unbindDomElement(t),this.domConverter.bindElements(t,e),this.markedChildren.add(e),this.markedAttributes.add(e)}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is("$text")?Ee._createBefore(e.parent):e}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=this.domConverter.viewPositionToDom(e);return!!(t&&(0,n.isText)(t.parent)&&dt(t.parent))}_removeInlineFiller(){const e=this._inlineFiller;if(!dt(e))throw new n.CKEditorError("view-renderer-filler-was-lost",this);ht(e)?e.remove():e.data=e.data.substr(lt),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,i=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is("element"))return!1;if(!function(e){if("false"==e.getAttribute("contenteditable"))return!1;const t=e.findAncestor((e=>e.hasAttribute("contenteditable")));return!t||"true"==t.getAttribute("contenteditable")}(t))return!1;if(i===t.getFillerOffset())return!1;const o=e.nodeBefore,s=e.nodeAfter;return!(o instanceof w||s instanceof w||n.env.isAndroid&&(o||s))}_updateText(e,t){const i=this.domConverter.findCorrespondingDomText(e);let n=this.domConverter.viewToDom(e).data;const o=t.inlineFillerPosition;o&&o.parent==e.parent&&o.offset==e.index&&(n=ct+n),vt(i,n)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const i=Array.from(t.attributes).map((e=>e.name)),n=e.getAttributeKeys();for(const i of n)this.domConverter.setDomElementAttribute(t,i,e.getAttribute(i),e);for(const n of i)e.hasAttribute(n)||this.domConverter.removeDomElementAttribute(t,n)}_updateChildren(e,t){const i=this.domConverter.mapViewToDom(e);if(!i)return;if(n.env.isAndroid){let e=null;for(const t of Array.from(i.childNodes)){if(e&&(0,n.isText)(e)&&(0,n.isText)(t)){i.normalize();break}e=t}}const o=t.inlineFillerPosition,s=i.childNodes,r=Array.from(this.domConverter.viewChildrenToDom(e,{bind:!0}));o&&o.parent===e&&ft(i.ownerDocument,r,o.offset);const a=this._diffNodeLists(s,r),l=this._findUpdateActions(a,s,r,bt);let c=0;const d=new Set;for(const e of l)"delete"===e?(d.add(s[c]),(0,n.remove)(s[c])):"equal"!==e&&"update"!==e||c++;c=0;for(const e of l)"insert"===e?((0,n.insertAt)(i,c,r[c]),c++):"update"===e?(vt(s[c],r[c].data),c++):"equal"===e&&(this._markDescendantTextToSync(this.domConverter.domToView(r[c])),c++);for(const e of d)e.parentNode||this.domConverter.unbindDomElement(e)}_diffNodeLists(e,t){return e=function(e,t){const i=Array.from(e);if(0==i.length||!t)return i;return i[i.length-1]==t&&i.pop(),i}(e,this._fakeSelectionContainer),(0,n.diff)(e,t,wt.bind(null,this.domConverter))}_findUpdateActions(e,t,i,o){if(-1===e.indexOf("insert")||-1===e.indexOf("delete"))return e;let s=[],r=[],a=[];const l={equal:0,insert:0,delete:0};for(const c of e)"insert"===c?a.push(i[l.equal+l.insert]):"delete"===c?r.push(t[l.equal+l.delete]):(s=s.concat((0,n.diff)(r,a,o).map((e=>"equal"===e?"update":e))),s.push("equal"),r=[],a=[]),l[c]++;return s.concat((0,n.diff)(r,a,o).map((e=>"equal"===e?"update":e)))}_markDescendantTextToSync(e){if(e)if(e.is("$text"))this.markedTexts.add(e);else if(e.is("element"))for(const t of e.getChildren())this._markDescendantTextToSync(t)}_updateSelection(){if(n.env.isBlink&&!n.env.isAndroid&&this.isSelecting&&!this.markedChildren.size)return;if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const e=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&e&&(this.selection.isFake?this._updateFakeSelection(e):this._fakeSelectionContainer&&this._fakeSelectionContainer.isConnected?(this._removeFakeSelection(),this._updateDomSelection(e)):this.isComposing&&n.env.isAndroid||this._updateDomSelection(e))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(e){const t=e.createElement("div");return t.className="ck-fake-selection-container",Object.assign(t.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),t.textContent=" ",t}(t));const i=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(i,this.selection),!this._fakeSelectionNeedsUpdate(e))return;i.parentElement&&i.parentElement==e||e.appendChild(i),i.textContent=this.selection.fakeSelectionLabel||" ";const n=t.getSelection(),o=t.createRange();n.removeAllRanges(),o.selectNodeContents(i),n.addRange(o)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const i=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.setBaseAndExtent(i.parent,i.offset,o.parent,o.offset),n.env.isGecko&&function(e,t){const i=e.parent;if(i.nodeType!=Node.ELEMENT_NODE||e.offset!=i.childNodes.length-1)return;const n=i.childNodes[e.offset];n&&"BR"==n.tagName&&t.addRange(t.getRangeAt(0))}(o,t)}_domSelectionNeedsUpdate(e){if(!this.domConverter.isDomSelectionCorrect(e))return!0;const t=e&&this.domConverter.domSelectionToView(e);return!(t&&this.selection.isEqual(t)||!this.selection.isCollapsed&&this.selection.isSimilar(t))}_fakeSelectionNeedsUpdate(e){const t=this._fakeSelectionContainer,i=e.ownerDocument.getSelection();return!t||t.parentElement!==e||i.anchorNode!==t&&!t.contains(i.anchorNode)||t.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const e of this.domDocuments){const t=e.getSelection();if(t.rangeCount){const i=e.activeElement,n=this.domConverter.mapDomToView(i);i&&n&&t.removeAllRanges()}}}_removeFakeSelection(){const e=this._fakeSelectionContainer;e&&e.remove()}_updateFocus(){if(this.isFocused){const e=this.selection.editableElement;e&&this.domConverter.focus(e)}}}function ft(e,t,i){const o=t instanceof Array?t:t.childNodes,s=o[i];if((0,n.isText)(s))return s.data=ct+s.data,s;{const s=e.createTextNode(ct);return Array.isArray(t)?o.splice(i,0,s):(0,n.insertAt)(t,i,s),s}}function pt(e,t){return(0,n.isNode)(e)&&(0,n.isNode)(t)&&!(0,n.isText)(e)&&!(0,n.isText)(t)&&!(0,n.isComment)(e)&&!(0,n.isComment)(t)&&e.tagName.toLowerCase()===t.tagName.toLowerCase()}function bt(e,t){return(0,n.isNode)(e)&&(0,n.isNode)(t)&&(0,n.isText)(e)&&(0,n.isText)(t)}function wt(e,t,i){return t===i||((0,n.isText)(t)&&(0,n.isText)(i)?t.data===i.data:!(!e.isBlockFiller(t)||!e.isBlockFiller(i)))}function vt(e,t){const i=e.data;if(i==t)return;const o=(0,n.fastDiff)(i,t,((e,t)=>n.env.isAndroid?e.replace(/\u00a0/g," ")===t.replace(/\u00a0/g," "):e===t));for(const t of o)"insert"===t.type?e.insertData(t.index,t.values.join("")):e.deleteData(t.index,t.howMany)}const _t=at(n.global.document),yt=st(n.global.document),kt=rt(n.global.document),Ct="data-ck-unsafe-attribute-",At="data-ck-unsafe-element";class Et{constructor(e,{blockFillerMode:t,renderingMode:i="editing"}={}){this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new y,this._inlineObjectElementMatcher=new y,this._elementsWithTemporaryCustomProperties=new Set,this.document=e,this.renderingMode=i,this.blockFillerMode=t||("editing"===i?"br":"nbsp"),this.preElements=["pre"],this.blockElements=["address","article","aside","blockquote","caption","center","dd","details","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","legend","li","main","menu","nav","ol","p","pre","section","summary","table","tbody","td","tfoot","th","thead","tr","ul"],this.inlineObjectElements=["object","iframe","input","button","textarea","select","option","video","embed","audio","img","canvas"],this.unsafeElements=["script","style"],this._domDocument="editing"===this.renderingMode?n.global.document:n.global.document.implementation.createHTMLDocument("")}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new Se(t))}fakeSelectionToView(e){return this._fakeSelectionMapping.get(e)}bindElements(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}unbindDomElement(e){const t=this._domToViewMapping.get(e);if(t){this._domToViewMapping.delete(e),this._viewToDomMapping.delete(t);for(const t of Array.from(e.children))this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}shouldRenderAttribute(e,t,i){return"data"===this.renderingMode||!(e=e.toLowerCase()).startsWith("on")&&("srcdoc"!==e||!t.match(/\bon\S+\s*=|javascript:|<\s*\/*script/i))&&("img"===i&&("src"===e||"srcset"===e)||"source"===i&&"srcset"===e||!t.match(/^\s*(javascript:|data:(image\/svg|text\/x?html))/i))}setContentOf(e,t){if("data"===this.renderingMode)return void(e.innerHTML=t);const i=(new DOMParser).parseFromString(t,"text/html"),n=i.createDocumentFragment(),o=i.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);const s=i.createTreeWalker(n,NodeFilter.SHOW_ELEMENT),r=[];let a;for(;a=s.nextNode();)r.push(a);for(const e of r){for(const t of e.getAttributeNames())this.setDomElementAttribute(e,t,e.getAttribute(t));const t=e.tagName.toLowerCase();this._shouldRenameElement(t)&&(Pt(t),e.replaceWith(this._createReplacementDomElement(t,e)))}for(;e.firstChild;)e.firstChild.remove();e.append(n)}viewToDom(e,t={}){if(e.is("$text")){const t=this._processDataFromViewText(e);return this._domDocument.createTextNode(t)}{const i=e;if(this.mapViewToDom(i)){if(!i.getCustomProperty("editingPipeline:doNotReuseOnce"))return this.mapViewToDom(i);this._elementsWithTemporaryCustomProperties.add(i)}let n;if(i.is("documentFragment"))n=this._domDocument.createDocumentFragment(),t.bind&&this.bindDocumentFragments(n,i);else{if(i.is("uiElement"))return n="$comment"===i.name?this._domDocument.createComment(i.getCustomProperty("$rawContent")):i.render(this._domDocument,this),t.bind&&this.bindElements(n,i),n;this._shouldRenameElement(i.name)?(Pt(i.name),n=this._createReplacementDomElement(i.name)):n=i.hasAttribute("xmlns")?this._domDocument.createElementNS(i.getAttribute("xmlns"),i.name):this._domDocument.createElement(i.name),i.is("rawElement")&&i.render(n,this),t.bind&&this.bindElements(n,i);for(const e of i.getAttributeKeys())this.setDomElementAttribute(n,e,i.getAttribute(e),i)}if(!1!==t.withChildren)for(const e of this.viewChildrenToDom(i,t))n.appendChild(e);return n}}setDomElementAttribute(e,t,i,o){const s=this.shouldRenderAttribute(t,i,e.tagName.toLowerCase())||o&&o.shouldRenderUnsafeAttribute(t);s||(0,n.logWarning)("domconverter-unsafe-attribute-detected",{domElement:e,key:t,value:i}),(0,n.isValidAttributeName)(t)?(e.hasAttribute(t)&&!s?e.removeAttribute(t):e.hasAttribute(Ct+t)&&s&&e.removeAttribute(Ct+t),e.setAttribute(s?t:Ct+t,i)):(0,n.logWarning)("domconverter-invalid-attribute-detected",{domElement:e,key:t,value:i})}removeDomElementAttribute(e,t){t!=At&&(e.removeAttribute(t),e.removeAttribute(Ct+t))}*viewChildrenToDom(e,t={}){const i=e.getFillerOffset&&e.getFillerOffset();let o=0;for(const s of e.getChildren()){i===o&&(yield this._getBlockFiller());const e=s.is("element")&&!!s.getCustomProperty("dataPipeline:transparentRendering")&&!(0,n.first)(s.getAttributes());e&&"data"==this.renderingMode?yield*this.viewChildrenToDom(s,t):(e&&(0,n.logWarning)("domconverter-transparent-rendering-unsupported-in-editing-pipeline",{viewElement:s}),yield this.viewToDom(s,t)),o++}i===o&&(yield this._getBlockFiller())}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),i=this.viewPositionToDom(e.end),n=this._domDocument.createRange();return n.setStart(t.parent,t.offset),n.setEnd(i.parent,i.offset),n}viewPositionToDom(e){const t=e.parent;if(t.is("$text")){const i=this.findCorrespondingDomText(t);if(!i)return null;let n=e.offset;return dt(i)&&(n+=lt),{parent:i,offset:n}}{let i,o,s;if(0===e.offset){if(i=this.mapViewToDom(t),!i)return null;s=i.childNodes[0]}else{const t=e.nodeBefore;if(o=t.is("$text")?this.findCorrespondingDomText(t):this.mapViewToDom(t),!o)return null;i=o.parentNode,s=o.nextSibling}return(0,n.isText)(s)&&dt(s)?{parent:s,offset:lt}:{parent:i,offset:o?(0,n.indexOf)(o)+1:0}}}domToView(e,t={}){const i=[],n=this._domToView(e,t,i),o=n.next().value;return o?(n.next(),this._processDomInlineNodes(null,i,t),o.is("$text")&&0==o.data.length?null:o):null}*domChildrenToView(e,t={},i=[]){for(let n=0;n{const{scrollLeft:t,scrollTop:i}=e;o.push([t,i])})),t.focus(),Tt(t,(e=>{const[t,i]=o.shift();e.scrollLeft=t,e.scrollTop=i})),n.global.window.scrollTo(e,i)}}_clearDomSelection(){const e=this.mapViewToDom(this.document.selection.editableElement);if(!e)return;const t=e.ownerDocument.defaultView.getSelection(),i=this.domSelectionToView(t);i&&i.rangeCount>0&&t.removeAllRanges()}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(_t):!("BR"!==e.tagName||!St(e,this.blockElements)||1!==e.parentNode.childNodes.length)||e.isEqualNode(kt)||function(e,t){return e.isEqualNode(yt)&&St(e,t)&&1===e.parentNode.childNodes.length}(e,this.blockElements)}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=this._domDocument.createRange();try{t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset)}catch(e){return!1}const i=t.collapsed;return t.detach(),i}getHostViewElement(e){const t=(0,n.getAncestors)(e);for(t.pop();t.length;){const e=t.pop(),i=this._domToViewMapping.get(e);if(i&&(i.is("uiElement")||i.is("rawElement")))return i}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}registerRawContentMatcher(e){this._rawContentElementMatcher.add(e)}registerInlineObjectMatcher(e){this._inlineObjectElementMatcher.add(e)}_clearTemporaryCustomProperties(){for(const e of this._elementsWithTemporaryCustomProperties)e._removeCustomProperty("editingPipeline:doNotReuseOnce");this._elementsWithTemporaryCustomProperties.clear()}_getBlockFiller(){switch(this.blockFillerMode){case"nbsp":return st(this._domDocument);case"markedNbsp":return rt(this._domDocument);case"br":return at(this._domDocument)}}_isDomSelectionPositionCorrect(e,t){if((0,n.isText)(e)&&dt(e)&&t0?t[e-1]:null,l=e+1this.preElements.includes(e.name))))return t;if(" "==t.charAt(0)){const i=this._getTouchingInlineViewNode(e,!1);!(i&&i.is("$textProxy")&&this._nodeEndsWithSpace(i))&&i||(t=" "+t.substr(1))}if(" "==t.charAt(t.length-1)){const i=this._getTouchingInlineViewNode(e,!0),n=i&&i.is("$textProxy")&&" "==i.data.charAt(0);" "!=t.charAt(t.length-2)&&i&&!n||(t=t.substr(0,t.length-1)+" ")}return t.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(e){if(e.getAncestors().some((e=>this.preElements.includes(e.name))))return!1;const t=this._processDataFromViewText(e);return" "==t.charAt(t.length-1)}_getTouchingInlineViewNode(e,t){const i=new Ae({startPosition:t?Ee._createAfter(e):Ee._createBefore(e),direction:t?"forward":"backward"});for(const e of i){if(e.item.is("element","br"))return null;if(this._isInlineObjectElement(e.item))return e.item;if(e.item.is("containerElement"))return null;if(e.item.is("$textProxy"))return e.item}return null}_isBlockDomElement(e){return this.isElement(e)&&this.blockElements.includes(e.tagName.toLowerCase())}_isBlockViewElement(e){return e.is("element")&&this.blockElements.includes(e.name)}_isInlineObjectElement(e){return!!e.is("element")&&("br"==e.name||this.inlineObjectElements.includes(e.name)||!!this._inlineObjectElementMatcher.match(e))}_createViewElement(e,t){if((0,n.isComment)(e))return new je(this.document,"$comment");const i=t.keepOriginalCase?e.tagName:e.tagName.toLowerCase();return new be(this.document,i)}_isViewElementWithRawContent(e,t){return!1!==t.withChildren&&e.is("element")&&!!this._rawContentElementMatcher.match(e)}_shouldRenameElement(e){const t=e.toLowerCase();return"editing"===this.renderingMode&&this.unsafeElements.includes(t)}_createReplacementDomElement(e,t){const i=this._domDocument.createElement("span");if(i.setAttribute(At,e),t){for(;t.firstChild;)i.appendChild(t.firstChild);for(const e of t.getAttributeNames())i.setAttribute(e,t.getAttribute(e))}return i}}function xt(e,t){return e.getAncestors().some((e=>e.is("element")&&t.includes(e.name)))}function Tt(e,t){let i=e;for(;i;)t(i),i=i.parentElement}function St(e,t){const i=e.parentNode;return!!i&&!!i.tagName&&t.includes(i.tagName.toLowerCase())}function Pt(e){"script"===e&&(0,n.logWarning)("domconverter-unsafe-script-element-detected"),"style"===e&&(0,n.logWarning)("domconverter-unsafe-style-element-detected")}class It extends((0,n.DomEmitterMixin)()){constructor(e){super(),this._isEnabled=!1,this.view=e,this.document=e.document}get isEnabled(){return this._isEnabled}enable(){this._isEnabled=!0}disable(){this._isEnabled=!1}destroy(){this.disable(),this.stopListening()}checkShouldIgnoreEventFromTarget(e){return e&&3===e.nodeType&&(e=e.parentNode),!(!e||1!==e.nodeType)&&e.matches("[data-cke-ignore-events], [data-cke-ignore-events] *")}}var Vt=i(207);class Rt{constructor(e,t,i){this.view=e,this.document=e.document,this.domEvent=t,this.domTarget=t.target,(0,Vt.Z)(this,i)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Ot extends It{constructor(){super(...arguments),this.useCapture=!1}observe(e){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach((t=>{this.listenTo(e,t,((e,t)=>{this.isEnabled&&!this.checkShouldIgnoreEventFromTarget(t.target)&&this.onDomEvent(t)}),{useCapture:this.useCapture})}))}stopObserving(e){this.stopListening(e)}fire(e,t,i){this.isEnabled&&this.document.fire(e,new Rt(this.view,t,i))}}class Bt extends Ot{constructor(){super(...arguments),this.domEventType=["keydown","keyup"]}onDomEvent(e){const t={keyCode:e.keyCode,altKey:e.altKey,ctrlKey:e.ctrlKey,shiftKey:e.shiftKey,metaKey:e.metaKey,get keystroke(){return(0,n.getCode)(this)}};this.fire(e.type,e,t)}}var Mt=i(6682);class Lt extends It{constructor(e){super(e),this._fireSelectionChangeDoneDebounced=(0,Mt.Z)((e=>{this.document.fire("selectionChangeDone",e)}),200)}observe(){const e=this.document;e.on("arrowKey",((t,i)=>{e.selection.isFake&&this.isEnabled&&i.preventDefault()}),{context:"$capture"}),e.on("arrowKey",((t,i)=>{e.selection.isFake&&this.isEnabled&&this._handleSelectionMove(i.keyCode)}),{priority:"lowest"})}stopObserving(){}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(e){const t=this.document.selection,i=new Se(t.getRanges(),{backward:t.isBackward,fake:!1});e!=n.keyCodes.arrowleft&&e!=n.keyCodes.arrowup||i.setTo(i.getFirstPosition()),e!=n.keyCodes.arrowright&&e!=n.keyCodes.arrowdown||i.setTo(i.getLastPosition());const o={oldSelection:t,newSelection:i,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}var Dt=i(1152);const Nt=function(e,t,i){var n=(i="function"==typeof i?i:void 0)?i(e,t):void 0;return void 0===n?(0,Dt.Z)(e,t,void 0,i):!!n};class Ft extends It{constructor(e){super(e),this._config={childList:!0,characterData:!0,subtree:!0},this.domConverter=e.domConverter,this.renderer=e._renderer,this._domElements=new Set,this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(e){this._domElements.add(e),this.isEnabled&&this._mutationObserver.observe(e,this._config)}stopObserving(e){if(this._domElements.delete(e),this.isEnabled){this._mutationObserver.disconnect();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}}enable(){super.enable();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(e){if(0===e.length)return;const t=this.domConverter,i=new Set,n=new Set;for(const i of e){const e=t.mapDomToView(i.target);e&&(e.is("uiElement")||e.is("rawElement")||"childList"!==i.type||this._isBogusBrMutation(i)||n.add(e))}for(const o of e){const e=t.mapDomToView(o.target);if((!e||!e.is("uiElement")&&!e.is("rawElement"))&&"characterData"===o.type){const e=t.findCorrespondingViewText(o.target);e&&!n.has(e.parent)?i.add(e):!e&&dt(o.target)&&n.add(t.mapDomToView(o.target.parentNode))}}let o=!1;for(const e of i)o=!0,this.renderer.markToSync("text",e);for(const e of n){const i=t.mapViewToDom(e),n=Array.from(e.getChildren()),s=Array.from(t.domChildrenToView(i,{withChildren:!1}));Nt(n,s,zt)||(o=!0,this.renderer.markToSync("children",e))}o&&this.view.forceRender()}_isBogusBrMutation(e){let t=null;return null===e.nextSibling&&0===e.removedNodes.length&&1==e.addedNodes.length&&(t=this.domConverter.domToView(e.addedNodes[0],{withChildren:!1})),t&&t.is("element","br")}}function zt(e,t){if(!Array.isArray(e))return e===t||!(!e.is("$text")||!t.is("$text"))&&e.data===t.data}class Wt extends Ot{constructor(e){super(e),this._isFocusChanging=!1,this.domEventType=["focus","blur"],this.useCapture=!0;const t=this.document;t.on("focus",(()=>{this._isFocusChanging=!0,this._renderTimeoutId=setTimeout((()=>{this.flush(),e.change((()=>{}))}),50)})),t.on("blur",((i,n)=>{const o=t.selection.editableElement;null!==o&&o!==n.target||(t.isFocused=!1,this._isFocusChanging=!1,e.change((()=>{})))}))}flush(){this._isFocusChanging&&(this._isFocusChanging=!1,this.document.isFocused=!0)}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Ht extends It{constructor(e){super(e),this.mutationObserver=e.getObserver(Ft),this.focusObserver=e.getObserver(Wt),this.selection=this.document.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=(0,Mt.Z)((e=>{this.document.fire("selectionChangeDone",e)}),200),this._clearInfiniteLoopInterval=setInterval((()=>this._clearInfiniteLoop()),1e3),this._documentIsSelectingInactivityTimeoutDebounced=(0,Mt.Z)((()=>this.document.isSelecting=!1),5e3),this._loopbackCounter=0}observe(e){const t=e.ownerDocument,i=()=>{this.document.isSelecting&&(this._handleSelectionChange(null,t),this.document.isSelecting=!1,this._documentIsSelectingInactivityTimeoutDebounced.cancel())};this.listenTo(e,"selectstart",(()=>{this.document.isSelecting=!0,this._documentIsSelectingInactivityTimeoutDebounced()}),{priority:"highest"}),this.listenTo(e,"keydown",i,{priority:"highest",useCapture:!0}),this.listenTo(e,"keyup",i,{priority:"highest",useCapture:!0}),this._documents.has(t)||(this.listenTo(t,"mouseup",i,{priority:"highest",useCapture:!0}),this.listenTo(t,"selectionchange",((e,i)=>{this.document.isComposing&&!n.env.isAndroid||(this._handleSelectionChange(i,t),this._documentIsSelectingInactivityTimeoutDebounced())})),this._documents.add(t))}stopObserving(e){this.stopListening(e)}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel(),this._documentIsSelectingInactivityTimeoutDebounced.cancel()}_reportInfiniteLoop(){}_handleSelectionChange(e,t){if(!this.isEnabled)return;const i=t.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(i.anchorNode))return;this.mutationObserver.flush();const n=this.domConverter.domSelectionToView(i);if(0!=n.rangeCount){if(this.view.hasDomSelection=!0,this.focusObserver.flush(),!this.selection.isEqual(n)||!this.domConverter.isDomSelectionCorrect(i))if(++this._loopbackCounter>60)this._reportInfiniteLoop();else if(this.selection.isSimilar(n))this.view.forceRender();else{const e={oldSelection:this.selection,newSelection:n,domSelection:i};this.document.fire("selectionChange",e),this._fireSelectionChangeDoneDebounced(e)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Ut extends Ot{constructor(e){super(e),this.domEventType=["compositionstart","compositionupdate","compositionend"];const t=this.document;t.on("compositionstart",(()=>{t.isComposing=!0}),{priority:"low"}),t.on("compositionend",(()=>{t.isComposing=!1}),{priority:"low"})}onDomEvent(e){this.fire(e.type,e,{data:e.data})}}class jt{constructor(e,t={}){this._files=t.cacheFiles?$t(e):null,this._native=e}get files(){return this._files||(this._files=$t(this._native)),this._files}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}set effectAllowed(e){this._native.effectAllowed=e}get effectAllowed(){return this._native.effectAllowed}set dropEffect(e){this._native.dropEffect=e}get dropEffect(){return this._native.dropEffect}setDragImage(e,t,i){this._native.setDragImage(e,t,i)}get isCanceled(){return"none"==this._native.dropEffect||!!this._native.mozUserCancelled}}function $t(e){const t=Array.from(e.files||[]),i=Array.from(e.items||[]);return t.length?t:i.filter((e=>"file"===e.kind)).map((e=>e.getAsFile()))}class Zt extends Ot{constructor(){super(...arguments),this.domEventType="beforeinput"}onDomEvent(e){const t=e.getTargetRanges(),i=this.view,o=i.document;let s=null,r=null,a=[];if(e.dataTransfer&&(s=new jt(e.dataTransfer)),null!==e.data?r=e.data:s&&(r=s.getData("text/plain")),o.selection.isFake)a=Array.from(o.selection.getRanges());else if(t.length)a=t.map((e=>{const t=i.domConverter.domPositionToView(e.startContainer,e.startOffset),n=i.domConverter.domPositionToView(e.endContainer,e.endOffset);return t?i.createRange(t,n):n?i.createRange(n):void 0})).filter((e=>!!e));else if(n.env.isAndroid){const t=e.target.ownerDocument.defaultView.getSelection();a=Array.from(i.domConverter.domSelectionToView(t).getRanges())}if(n.env.isAndroid&&"insertCompositionText"==e.inputType&&r&&r.endsWith("\n"))this.fire(e.type,e,{inputType:"insertParagraph",targetRanges:[i.createRange(a[0].end)]});else if("insertText"==e.inputType&&r&&r.includes("\n")){const t=r.split(/\n{1,2}/g);let i=a;for(let n=0;n{if(this.isEnabled&&(0,n.isArrowKeyCode)(t.keyCode)){const i=new Ie(this.document,"arrowKey",this.document.selection.getFirstRange());this.document.fire(i,t),i.stop.called&&e.stop()}}))}observe(){}stopObserving(){}}class Kt extends It{constructor(e){super(e);const t=this.document;t.on("keydown",((e,i)=>{if(!this.isEnabled||i.keyCode!=n.keyCodes.tab||i.ctrlKey)return;const o=new Ie(t,"tab",t.selection.getFirstRange());t.fire(o,i),o.stop.called&&e.stop()}))}observe(){}stopObserving(){}}const Gt=function(e){return(0,f.Z)(e,5)};class Jt extends((0,n.ObservableMixin)()){constructor(e){var t;super(),this.domRoots=new Map,this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this.document=new De(e),this.domConverter=new Et(this.document),this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new gt(this.domConverter,this.document.selection),this._renderer.bind("isFocused","isSelecting","isComposing").to(this.document,"isFocused","isSelecting","isComposing"),this._writer=new Ge(this.document),this.addObserver(Ft),this.addObserver(Wt),this.addObserver(Ht),this.addObserver(Bt),this.addObserver(Lt),this.addObserver(Ut),this.addObserver(qt),this.addObserver(Zt),this.addObserver(Kt),this.document.on("arrowKey",mt,{priority:"low"}),(t=this).document.on("arrowKey",((e,i)=>function(e,t,i){if(t.keyCode==n.keyCodes.arrowright){const e=t.domTarget.ownerDocument.defaultView.getSelection(),n=1==e.rangeCount&&e.getRangeAt(0).collapsed;if(n||t.shiftKey){const t=e.focusNode,o=e.focusOffset,s=i.domPositionToView(t,o);if(null===s)return;let r=!1;const a=s.getLastMatchingPosition((e=>(e.item.is("uiElement")&&(r=!0),!(!e.item.is("uiElement")&&!e.item.is("attributeElement")))));if(r){const t=i.viewPositionToDom(a);n?e.collapse(t.parent,t.offset):e.extend(t.parent,t.offset)}}}}(0,i,t.domConverter)),{priority:"low"}),this.on("render",(()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1})),this.listenTo(this.document.selection,"change",(()=>{this._hasChangedSinceTheLastRendering=!0})),this.listenTo(this.document,"change:isFocused",(()=>{this._hasChangedSinceTheLastRendering=!0})),n.env.isiOS&&this.listenTo(this.document,"blur",((e,t)=>{this.domConverter.mapDomToView(t.domEvent.relatedTarget)||this.domConverter._clearDomSelection()}))}attachDomRoot(e,t="main"){const i=this.document.getRoot(t);i._name=e.tagName.toLowerCase();const n={};for(const{name:t,value:o}of Array.from(e.attributes))n[t]=o,"class"===t?this._writer.addClass(o.split(" "),i):this._writer.setAttribute(t,o,i);this._initialDomRootAttributes.set(e,n);const o=()=>{this._writer.setAttribute("contenteditable",(!i.isReadOnly).toString(),i),i.isReadOnly?this._writer.addClass("ck-read-only",i):this._writer.removeClass("ck-read-only",i)};o(),this.domRoots.set(t,e),this.domConverter.bindElements(e,i),this._renderer.markToSync("children",i),this._renderer.markToSync("attributes",i),this._renderer.domDocuments.add(e.ownerDocument),i.on("change:children",((e,t)=>this._renderer.markToSync("children",t))),i.on("change:attributes",((e,t)=>this._renderer.markToSync("attributes",t))),i.on("change:text",((e,t)=>this._renderer.markToSync("text",t))),i.on("change:isReadOnly",(()=>this.change(o))),i.on("change",(()=>{this._hasChangedSinceTheLastRendering=!0}));for(const i of this._observers.values())i.observe(e,t)}detachDomRoot(e){const t=this.domRoots.get(e);Array.from(t.attributes).forEach((({name:e})=>t.removeAttribute(e)));const i=this._initialDomRootAttributes.get(t);for(const e in i)t.setAttribute(e,i[e]);this.domRoots.delete(e),this.domConverter.unbindDomElement(t);for(const e of this._observers.values())e.stopObserving(t)}getDomRoot(e="main"){return this.domRoots.get(e)}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[e,i]of this.domRoots)t.observe(i,e);return t.enable(),t}getObserver(e){return this._observers.get(e)}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}scrollToTheSelection({alignToTop:e,forceScroll:t,viewportOffset:i=20,ancestorOffset:o=20}={}){const s=this.document.selection.getFirstRange();if(!s)return;const r=Gt({alignToTop:e,forceScroll:t,viewportOffset:i,ancestorOffset:o});"number"==typeof i&&(i={top:i,bottom:i,left:i,right:i});const a={target:this.domConverter.viewRangeToDom(s),viewportOffset:i,ancestorOffset:o,alignToTop:e,forceScroll:t};this.fire("scrollToTheSelection",a,r),(0,n.scrollViewportToShowTarget)(a)}focus(){if(!this.document.isFocused){const e=this.document.selection.editableElement;e&&(this.domConverter.focus(e),this.forceRender())}}change(e){if(this.isRenderingInProgress||this._postFixersInProgress)throw new n.CKEditorError("cannot-change-view-tree",this);try{if(this._ongoingChange)return e(this._writer);this._ongoingChange=!0;const t=e(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),t}catch(e){n.CKEditorError.rethrowUnexpectedError(e,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.getObserver(Wt).flush(),this.change((()=>{}))}destroy(){for(const e of this._observers.values())e.destroy();this.document.destroy(),this.stopListening()}createPositionAt(e,t){return Ee._createAt(e,t)}createPositionAfter(e){return Ee._createAfter(e)}createPositionBefore(e){return Ee._createBefore(e)}createRange(e,t){return new xe(e,t)}createRangeOn(e){return xe._createOn(e)}createRangeIn(e){return xe._createIn(e)}createSelection(...e){return new Se(...e)}_disableRendering(e){this._renderingDisabled=e,0==e&&this.change((()=>{}))}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}class Yt{is(){throw new Error("is() method is abstract")}}class Qt extends Yt{constructor(e){super(),this.parent=null,this._attrs=(0,n.toMap)(e)}get document(){return null}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new n.CKEditorError("model-node-not-found-in-parent",this);return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new n.CKEditorError("model-node-not-found-in-parent",this);return e}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}isAttached(){return null!==this.parent&&this.root.isAttached()}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={}){const t=[];let i=e.includeSelf?this:this.parent;for(;i;)t[e.parentFirst?"push":"unshift"](i),i=i.parent;return t}getCommonAncestor(e,t={}){const i=this.getAncestors(t),n=e.getAncestors(t);let o=0;for(;i[o]==n[o]&&i[o];)o++;return 0===o?null:i[o-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),i=e.getPath(),o=(0,n.compareArrays)(t,i);switch(o){case"prefix":return!0;case"extension":return!1;default:return t[o](e[t[0]]=t[1],e)),{})),e}_clone(e){return new this.constructor(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(e,t){this._attrs.set(e,t)}_setAttributesTo(e){this._attrs=(0,n.toMap)(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}Qt.prototype.is=function(e){return"node"===e||"model:node"===e};class Xt{constructor(e){this._nodes=[],e&&this._insertNodes(0,e)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce(((e,t)=>e+t.offsetSize),0)}getNode(e){return this._nodes[e]||null}getNodeIndex(e){const t=this._nodes.indexOf(e);return-1==t?null:t}getNodeStartOffset(e){const t=this.getNodeIndex(e);return null===t?null:this._nodes.slice(0,t).reduce(((e,t)=>e+t.offsetSize),0)}indexToOffset(e){if(e==this._nodes.length)return this.maxOffset;const t=this._nodes[e];if(!t)throw new n.CKEditorError("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const i of this._nodes){if(e>=t&&ee.toJSON()))}}class ei extends Qt{constructor(e,t){super(t),this._data=e||""}get offsetSize(){return this.data.length}get data(){return this._data}toJSON(){const e=super.toJSON();return e.data=this.data,e}_clone(){return new ei(this.data,this.getAttributes())}static fromJSON(e){return new ei(e.data,e.attributes)}}ei.prototype.is=function(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e};class ti extends Yt{constructor(e,t,i){if(super(),this.textNode=e,t<0||t>e.offsetSize)throw new n.CKEditorError("model-textproxy-wrong-offsetintext",this);if(i<0||t+i>e.offsetSize)throw new n.CKEditorError("model-textproxy-wrong-length",this);this.data=e.data.substring(t,t+i),this.offsetInText=t}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}getPath(){const e=this.textNode.getPath();return e.length>0&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={}){const t=[];let i=e.includeSelf?this:this.parent;for(;i;)t[e.parentFirst?"push":"unshift"](i),i=i.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}ti.prototype.is=function(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e};class ii extends Qt{constructor(e,t,i){super(t),this._children=new Xt,this.name=e,i&&this._insertChild(0,i)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}offsetToIndex(e){return this._children.offsetToIndex(e)}getNodeByPath(e){let t=this;for(const i of e)t=t.getChild(t.offsetToIndex(i));return t}findAncestor(e,t={}){let i=t.includeSelf?this:this.parent;for(;i;){if(i.name===e)return i;i=i.parent}return null}toJSON(){const e=super.toJSON();if(e.name=this.name,this._children.length>0){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}_clone(e=!1){const t=e?Array.from(this._children).map((e=>e._clone(!0))):void 0;return new ii(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const i=function(e){return"string"==typeof e?[new ei(e)]:((0,n.isIterable)(e)||(e=[e]),Array.from(e).map((e=>"string"==typeof e?new ei(e):e instanceof ti?new ei(e.data,e.getAttributes()):e)))}(t);for(const e of i)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,i)}_removeChildren(e,t=1){const i=this._children._removeNodes(e,t);for(const e of i)e.parent=null;return i}static fromJSON(e){let t;if(e.children){t=[];for(const i of e.children)i.name?t.push(ii.fromJSON(i)):t.push(ei.fromJSON(i))}return new ii(e.name,e.attributes,t)}}ii.prototype.is=function(e,t){return t?t===this.name&&("element"===e||"model:element"===e):"element"===e||"model:element"===e||"node"===e||"model:node"===e};class ni{constructor(e){if(!e||!e.boundaries&&!e.startPosition)throw new n.CKEditorError("model-tree-walker-no-start-position",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new n.CKEditorError("model-tree-walker-unknown-direction",e,{direction:t});this.direction=t,this.boundaries=e.boundaries||null,e.startPosition?this._position=e.startPosition.clone():this._position=si._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}get position(){return this._position}skip(e){let t,i,n,o;do{n=this.position,o=this._visitedParent,({done:t,value:i}=this.next())}while(!t&&e(i));t||(this._position=n,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),i=this._visitedParent;if(null===i.parent&&t.offset===i.maxOffset)return{done:!0,value:void 0};if(i===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0,value:void 0};const n=ri(t,i),o=n||ai(t,i,n);if(o instanceof ii){if(this.shallow){if(this.boundaries&&this.boundaries.end.isBefore(t))return{done:!0,value:void 0};t.offset++}else t.path.push(0),this._visitedParent=o;return this._position=t,oi("elementStart",o,e,t,1)}if(o instanceof ei){let n;if(this.singleCharacters)n=1;else{let e=o.endOffset;this._boundaryEndParent==i&&this.boundaries.end.offsete&&(e=this.boundaries.start.offset),n=t.offset-e}const o=t.offset-s.startOffset,r=new ti(s,o-n,n);return t.offset-=n,this._position=t,oi("text",r,e,t,n)}return t.path.pop(),this._position=t,this._visitedParent=i.parent,oi("elementStart",i,e,t,1)}}function oi(e,t,i,n,o){return{done:!1,value:{type:e,item:t,previousPosition:i,nextPosition:n,length:o}}}class si extends Yt{constructor(e,t,i="toNone"){if(super(),!e.is("element")&&!e.is("documentFragment"))throw new n.CKEditorError("model-position-root-invalid",e);if(!(t instanceof Array)||0===t.length)throw new n.CKEditorError("model-position-path-incorrect-format",e,{path:t});e.is("rootElement")?t=t.slice():(t=[...e.getPath(),...t],e=e.root),this.root=e,this.path=t,this.stickiness=i}get offset(){return this.path[this.path.length-1]}set offset(e){this.path[this.path.length-1]=e}get parent(){let e=this.root;for(let t=0;t1)return!1;if(1===t)return ci(e,this,i);if(-1===t)return ci(this,e,i)}return this.path.length===e.path.length||(this.path.length>e.path.length?di(this.path,t):di(e.path,t))}hasSameParentAs(e){if(this.root!==e.root)return!1;const t=this.getParentPath(),i=e.getParentPath();return"same"==(0,n.compareArrays)(t,i)}getTransformedByOperation(e){let t;switch(e.type){case"insert":t=this._getTransformedByInsertOperation(e);break;case"move":case"remove":case"reinsert":t=this._getTransformedByMoveOperation(e);break;case"split":t=this._getTransformedBySplitOperation(e);break;case"merge":t=this._getTransformedByMergeOperation(e);break;default:t=si._createAt(this)}return t}_getTransformedByInsertOperation(e){return this._getTransformedByInsertion(e.position,e.howMany)}_getTransformedByMoveOperation(e){return this._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}_getTransformedBySplitOperation(e){const t=e.movedRange;return t.containsPosition(this)||t.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(e.splitPosition,e.moveTargetPosition):e.graveyardPosition?this._getTransformedByMove(e.graveyardPosition,e.insertionPosition,1):this._getTransformedByInsertion(e.insertionPosition,1)}_getTransformedByMergeOperation(e){const t=e.movedRange;let i;return t.containsPosition(this)||t.start.isEqual(this)?(i=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(i=i._getTransformedByDeletion(e.deletionPosition,1))):i=this.isEqual(e.deletionPosition)?si._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),i}_getTransformedByDeletion(e,t){const i=si._createAt(this);if(this.root!=e.root)return i;if("same"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath())){if(e.offsetthis.offset)return null;i.offset-=t}}else if("prefix"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath())){const n=e.path.length-1;if(e.offset<=this.path[n]){if(e.offset+t>this.path[n])return null;i.path[n]-=t}}return i}_getTransformedByInsertion(e,t){const i=si._createAt(this);if(this.root!=e.root)return i;if("same"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath()))(e.offset=t;){if(e.path[n]+o!==i.maxOffset)return!1;o=1,n--,i=i.parent}return!0}(e,i+1)}function di(e,t){for(;tt+1;){const t=n.maxOffset-i.offset;0!==t&&e.push(new hi(i,i.getShiftedBy(t))),i.path=i.path.slice(0,-1),i.offset++,n=n.parent}for(;i.path.length<=this.end.path.length;){const t=this.end.path[i.path.length-1],n=t-i.offset;0!==n&&e.push(new hi(i,i.getShiftedBy(n))),i.offset=t,i.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new ni(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new ni(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new ni(e);yield t.position;for(const e of t)yield e.nextPosition}getTransformedByOperation(e){switch(e.type){case"insert":return this._getTransformedByInsertOperation(e);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(e);case"split":return[this._getTransformedBySplitOperation(e)];case"merge":return[this._getTransformedByMergeOperation(e)]}return[new hi(this.start,this.end)]}getTransformedByOperations(e){const t=[new hi(this.start,this.end)];for(const i of e)for(let e=0;e0?new this(i,n):new this(n,i)}static _createIn(e){return new this(si._createAt(e,0),si._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(si._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new n.CKEditorError("range-create-from-ranges-empty-array",null);if(1==e.length)return e[0].clone();const t=e[0];e.sort(((e,t)=>e.start.isAfter(t.start)?1:-1));const i=e.indexOf(t),o=new this(t.start,t.end);if(i>0)for(let t=i-1;e[t].end.isEqual(o.start);t++)o.start=si._createAt(e[t].start);for(let t=i+1;t{if(t.viewPosition)return;const i=this._modelToViewMapping.get(t.modelPosition.parent);if(!i)throw new n.CKEditorError("mapping-model-position-view-parent-not-found",this,{modelPosition:t.modelPosition});t.viewPosition=this.findPositionIn(i,t.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((e,t)=>{if(t.modelPosition)return;const i=this.findMappedViewAncestor(t.viewPosition),n=this._viewToModelMapping.get(i),o=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,i);t.modelPosition=si._createAt(n,o)}),{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e,t={}){const i=this.toModelElement(e);if(this._elementToMarkerNames.has(e))for(const t of this._elementToMarkerNames.get(e))this._unboundMarkerNames.add(t);t.defer?this._deferredBindingRemovals.set(e,e.root):(this._viewToModelMapping.delete(e),this._modelToViewMapping.get(i)==e&&this._modelToViewMapping.delete(i))}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const i=this._markerNameToElements.get(t)||new Set;i.add(e);const n=this._elementToMarkerNames.get(e)||new Set;n.add(t),this._markerNameToElements.set(t,i),this._elementToMarkerNames.set(e,n)}unbindElementFromMarkerName(e,t){const i=this._markerNameToElements.get(t);i&&(i.delete(e),0==i.size&&this._markerNameToElements.delete(t));const n=this._elementToMarkerNames.get(e);n&&(n.delete(t),0==n.size&&this._elementToMarkerNames.delete(e))}flushUnboundMarkerNames(){const e=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),e}flushDeferredBindings(){for(const[e,t]of this._deferredBindingRemovals)e.root==t&&this.unbindViewElement(e);this._deferredBindingRemovals=new Map}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this._deferredBindingRemovals=new Map}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new hi(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new xe(this.toViewPosition(e.start),this.toViewPosition(e.end))}toModelPosition(e){const t={viewPosition:e,mapper:this};return this.fire("viewToModelPosition",t),t.modelPosition}toViewPosition(e,t={}){const i={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",i),i.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const i=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())i.add(t);else i.add(e);return i}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}findMappedViewAncestor(e){let t=e.parent;for(;!this._viewToModelMapping.has(t);)t=t.parent;return t}_toModelOffset(e,t,i){if(i!=e)return this._toModelOffset(e.parent,e.index,i)+this._toModelOffset(e,t,e);if(e.is("$text"))return t;let n=0;for(let i=0;i1?t[0]+":"+t[1]:t[0]}class fi extends((0,n.EmitterMixin)()){constructor(e){super(),this._conversionApi={dispatcher:this,...e},this._firedEventsMap=new WeakMap}convertChanges(e,t,i){const n=this._createConversionApi(i,e.getRefreshedItems());for(const t of e.getMarkersToRemove())this._convertMarkerRemove(t.name,t.range,n);const o=this._reduceChanges(e.getChanges());for(const e of o)"insert"===e.type?this._convertInsert(hi._createFromPositionAndShift(e.position,e.length),n):"reinsert"===e.type?this._convertReinsert(hi._createFromPositionAndShift(e.position,e.length),n):"remove"===e.type?this._convertRemove(e.position,e.length,e.name,n):this._convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);n.mapper.flushDeferredBindings();for(const e of n.mapper.flushUnboundMarkerNames()){const i=t.get(e).getRange();this._convertMarkerRemove(e,i,n),this._convertMarkerAdd(e,i,n)}for(const t of e.getMarkersToAdd())this._convertMarkerAdd(t.name,t.range,n);n.consumable.verifyAllConsumed("insert")}convert(e,t,i,n={}){const o=this._createConversionApi(i,void 0,n);this._convertInsert(e,o);for(const[e,i]of t)this._convertMarkerAdd(e,i,o);o.consumable.verifyAllConsumed("insert")}convertSelection(e,t,i){const n=this._createConversionApi(i);this.fire("cleanSelection",{selection:e},n);const o=e.getFirstPosition().root;if(!n.mapper.toViewElement(o))return;const s=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this._addConsumablesForSelection(n.consumable,e,s),this.fire("selection",{selection:e},n),e.isCollapsed){for(const t of s)if(n.consumable.test(e,"addMarker:"+t.name)){const i=t.getRange();if(!pi(e.getFirstPosition(),t,n.mapper))continue;const o={item:e,markerName:t.name,markerRange:i};this.fire(`addMarker:${t.name}`,o,n)}for(const t of e.getAttributeKeys())if(n.consumable.test(e,"attribute:"+t)){const i={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.fire(`attribute:${t}:$text`,i,n)}}}_convertInsert(e,t,i={}){i.doNotAddConsumables||this._addConsumablesForInsert(t.consumable,e);for(const i of Array.from(e.getWalker({shallow:!0})).map(bi))this._testAndFire("insert",i,t)}_convertRemove(e,t,i,n){this.fire(`remove:${i}`,{position:e,length:t},n)}_convertAttribute(e,t,i,n,o){this._addConsumablesForRange(o.consumable,e,`attribute:${t}`);for(const s of e){const e={item:s.item,range:hi._createFromPositionAndShift(s.previousPosition,s.length),attributeKey:t,attributeOldValue:i,attributeNewValue:n};this._testAndFire(`attribute:${t}`,e,o)}}_convertReinsert(e,t){const i=Array.from(e.getWalker({shallow:!0}));this._addConsumablesForInsert(t.consumable,i);for(const e of i.map(bi))this._testAndFire("insert",{...e,reconversion:!0},t)}_convertMarkerAdd(e,t,i){if("$graveyard"==t.root.rootName)return;const n=`addMarker:${e}`;if(i.consumable.add(t,n),this.fire(n,{markerName:e,markerRange:t},i),i.consumable.consume(t,n)){this._addConsumablesForRange(i.consumable,t,n);for(const o of t.getItems()){if(!i.consumable.test(o,n))continue;const s={item:o,range:hi._createOn(o),markerName:e,markerRange:t};this.fire(n,s,i)}}}_convertMarkerRemove(e,t,i){"$graveyard"!=t.root.rootName&&this.fire(`removeMarker:${e}`,{markerName:e,markerRange:t},i)}_reduceChanges(e){const t={changes:e};return this.fire("reduceChanges",t),t.changes}_addConsumablesForInsert(e,t){for(const i of t){const t=i.item;if(null===e.test(t,"insert")){e.add(t,"insert");for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i)}}return e}_addConsumablesForRange(e,t,i){for(const n of t.getItems())e.add(n,i);return e}_addConsumablesForSelection(e,t,i){e.add(t,"selection");for(const n of i)e.add(t,"addMarker:"+n.name);for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i);return e}_testAndFire(e,t,i){const n=function(e,t){return`${e}:${t.item.is("element")?t.item.name:"$text"}`}(e,t),o=t.item.is("$textProxy")?i.consumable._getSymbolForTextProxy(t.item):t.item,s=this._firedEventsMap.get(i),r=s.get(o);if(r){if(r.has(n))return;r.add(n)}else s.set(o,new Set([n]));this.fire(n,t,i)}_testAndFireAddAttributes(e,t){const i={item:e,range:hi._createOn(e)};for(const e of i.item.getAttributeKeys())i.attributeKey=e,i.attributeOldValue=null,i.attributeNewValue=i.item.getAttribute(e),this._testAndFire(`attribute:${e}`,i,t)}_createConversionApi(e,t=new Set,i={}){const n={...this._conversionApi,consumable:new mi,writer:e,options:i,convertItem:e=>this._convertInsert(hi._createOn(e),n),convertChildren:e=>this._convertInsert(hi._createIn(e),n,{doNotAddConsumables:!0}),convertAttributes:e=>this._testAndFireAddAttributes(e,n),canReuseView:e=>!t.has(n.mapper.toModelElement(e))};return this._firedEventsMap.set(n,new Map),n}}function pi(e,t,i){const n=t.getRange(),o=Array.from(e.getAncestors());return o.shift(),o.reverse(),!o.some((e=>{if(n.containsItem(e))return!!i.toViewElement(e).getCustomProperty("addHighlight")}))}function bi(e){return{item:e.item,range:hi._createFromPositionAndShift(e.previousPosition,e.length)}}class wi extends((0,n.EmitterMixin)(Yt)){constructor(...e){super(),this._lastRangeBackward=!1,this._attrs=new Map,this._ranges=[],e.length&&this.setTo(...e)}get anchor(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let i=!1;for(const n of e._ranges)if(t.isEqual(n)){i=!0;break}if(!i)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new hi(e.start,e.end)}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?new hi(e.start,e.end):null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?new hi(e.start,e.end):null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}setTo(...e){let[t,i,o]=e;if("object"==typeof i&&(o=i,i=void 0),null===t)this._setRanges([]);else if(t instanceof wi)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof hi)this._setRanges([t],!!o&&!!o.backward);else if(t instanceof si)this._setRanges([new hi(t)]);else if(t instanceof Qt){const e=!!o&&!!o.backward;let s;if("in"==i)s=hi._createIn(t);else if("on"==i)s=hi._createOn(t);else{if(void 0===i)throw new n.CKEditorError("model-selection-setto-required-second-parameter",[this,t]);s=new hi(si._createAt(t,i))}this._setRanges([s],e)}else{if(!(0,n.isIterable)(t))throw new n.CKEditorError("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,o&&!!o.backward)}}_setRanges(e,t=!1){const i=Array.from(e),o=i.some((t=>{if(!(t instanceof hi))throw new n.CKEditorError("model-selection-set-ranges-not-range",[this,e]);return this._ranges.every((e=>!e.isEqual(t)))}));(i.length!==this._ranges.length||o)&&(this._replaceAllRanges(i),this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0}))}setFocus(e,t){if(null===this.anchor)throw new n.CKEditorError("model-selection-setfocus-no-ranges",[this,e]);const i=si._createAt(e,t);if("same"==i.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==i.compareWith(o)?(this._pushRange(new hi(i,o)),this._lastRangeBackward=!0):(this._pushRange(new hi(o,i)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}removeAttribute(e){this.hasAttribute(e)&&(this._attrs.delete(e),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}setAttribute(e,t){this.getAttribute(e)!==t&&(this._attrs.set(e,t),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const i=yi(t.start,e);Ci(i,t)&&(yield i);for(const i of t.getWalker()){const n=i.item;"elementEnd"==i.type&&_i(n,e,t)&&(yield n)}const n=yi(t.end,e);Ai(n,t)&&(yield n)}}containsEntireContent(e=this.anchor.root){const t=si._createAt(e,0),i=si._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&i.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new hi(e.start,e.end))}_checkRange(e){for(let t=0;t0;)this._popRange()}_popRange(){this._ranges.pop()}}function vi(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&!!e.parent)}function _i(e,t,i){return vi(e,t)&&ki(e,i)}function yi(e,t){const i=e.parent.root.document.model.schema,n=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const s=n.find((e=>!o&&(o=i.isLimit(e),!o&&vi(e,t))));return n.forEach((e=>t.add(e))),s}function ki(e,t){const i=function(e){const t=e.root.document.model.schema;let i=e.parent;for(;i;){if(t.isBlock(i))return i;i=i.parent}}(e);return!i||!t.containsRange(hi._createOn(i),!0)}function Ci(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.start.isTouching(si._createAt(e,e.maxOffset))&&ki(e,t))}function Ai(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.end.isTouching(si._createAt(e,0))&&ki(e,t))}wi.prototype.is=function(e){return"selection"===e||"model:selection"===e};class Ei extends((0,n.EmitterMixin)(hi)){constructor(e,t){super(e,t),xi.call(this)}detach(){this.stopListening()}toRange(){return new hi(this.start,this.end)}static fromRange(e){return new Ei(e.start,e.end)}}function xi(){this.listenTo(this.root.document.model,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&Ti.call(this,i)}),{priority:"low"})}function Ti(e){const t=this.getTransformedByOperation(e),i=hi._createFromRanges(t),n=!i.isEqual(this),o=function(e,t){switch(t.type){case"insert":return e.containsPosition(t.position);case"move":case"remove":case"reinsert":case"merge":return e.containsPosition(t.sourcePosition)||e.start.isEqual(t.sourcePosition)||e.containsPosition(t.targetPosition);case"split":return e.containsPosition(t.splitPosition)||e.containsPosition(t.insertionPosition)}return!1}(this,e);let s=null;if(n){"$graveyard"==i.root.rootName&&(s="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=i.start,this.end=i.end,this.fire("change:range",t,{deletionPosition:s})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:s})}Ei.prototype.is=function(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e};const Si="selection:";class Pi extends((0,n.EmitterMixin)(Yt)){constructor(e){super(),this._selection=new Ii(e),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(e){return this._selection.containsEntireContent(e)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(e){return this._selection.getAttribute(e)}hasAttribute(e){return this._selection.hasAttribute(e)}refresh(){this._selection.updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(e){this._selection.observeMarkers(e)}_setFocus(e,t){this._selection.setFocus(e,t)}_setTo(...e){this._selection.setTo(...e)}_setAttribute(e,t){this._selection.setAttribute(e,t)}_removeAttribute(e){this._selection.removeAttribute(e)}_getStoredAttributes(){return this._selection.getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(e){this._selection.restoreGravity(e)}static _getStoreAttributeKey(e){return Si+e}static _isStoreAttributeKey(e){return e.startsWith(Si)}}Pi.prototype.is=function(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e};class Ii extends wi{constructor(e){super(),this.markers=new n.Collection({idProperty:"name"}),this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this._model=e.model,this._document=e,this.listenTo(this._model,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&"marker"!=i.type&&"rename"!=i.type&&"noop"!=i.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))}),{priority:"lowest"}),this.on("change:range",(()=>{this._validateSelectionRanges(this.getRanges())})),this.listenTo(this._model.markers,"update",((e,t,i,n)=>{this._updateMarker(t,n)})),this.listenTo(this._document,"change",((e,t)=>{!function(e,t){const i=e.document.differ;for(const n of i.getChanges()){if("insert"!=n.type)continue;const i=n.position.parent;n.length===i.maxOffset&&e.enqueueChange(t,(e=>{const t=Array.from(i.getAttributeKeys()).filter((e=>e.startsWith(Si)));for(const n of t)e.removeAttribute(n,i)}))}}(this._model,t)}))}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let e=0;e{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=n.deletionPosition;const e=this._ranges.indexOf(t);this._ranges.splice(e,1),t.detach()}})),t}updateMarkers(){if(!this._observedMarkers.size)return;const e=[];let t=!1;for(const t of this._model.markers){const i=t.name.split(":",1)[0];if(!this._observedMarkers.has(i))continue;const n=t.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&e.push(t)}const i=Array.from(this.markers);for(const i of e)this.markers.has(i)||(this.markers.add(i),t=!0);for(const i of Array.from(this.markers))e.includes(i)||(this.markers.remove(i),t=!0);t&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateMarker(e,t){const i=e.name.split(":",1)[0];if(!this._observedMarkers.has(i))return;let n=!1;const o=Array.from(this.markers),s=this.markers.has(e);if(t){let i=!1;for(const e of this.getRanges())if(t.containsRange(e,!e.isCollapsed)){i=!0;break}i&&!s?(this.markers.add(e),n=!0):!i&&s&&(this.markers.remove(e),n=!0)}else s&&(this.markers.remove(e),n=!0);n&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(e){const t=(0,n.toMap)(this._getSurroundingAttributes()),i=(0,n.toMap)(this.getAttributes());if(e)this._attributePriority=new Map,this._attrs=new Map;else for(const[e,t]of this._attributePriority)"low"==t&&(this._attrs.delete(e),this._attributePriority.delete(e));this._setAttributesTo(t);const o=[];for(const[e,t]of this.getAttributes())i.has(e)&&i.get(e)===t||o.push(e);for(const[e]of i)this.hasAttribute(e)||o.push(e);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(e,t,i=!0){const n=i?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(e))&&(super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,n),!0))}_removeAttribute(e,t=!0){const i=t?"normal":"low";return!("low"==i&&"normal"==this._attributePriority.get(e)||(this._attributePriority.set(e,i),!super.hasAttribute(e)||(this._attrs.delete(e),0)))}_setAttributesTo(e){const t=new Set;for(const[t,i]of this.getAttributes())e.get(t)!==i&&this._removeAttribute(t,!1);for(const[i,n]of e)this._setAttribute(i,n,!1)&&t.add(i);return t}*getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(Si)){const i=t.substr(10);yield[i,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;if("$graveyard"==e.root.rootName)return null;let i=null;if(this.isCollapsed){const n=e.textNode?e.textNode:e.nodeBefore,o=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(i=Vi(n,t)),i||(i=Vi(o,t)),!this.isGravityOverridden&&!i){let e=n;for(;e&&!i;)e=e.previousSibling,i=Vi(e,t)}if(!i){let e=o;for(;e&&!i;)e=e.nextSibling,i=Vi(e,t)}i||(i=this.getStoredAttributes())}else{const e=this.getFirstRange();for(const n of e){if(n.item.is("element")&&t.isObject(n.item)){i=Vi(n.item,t);break}if("text"==n.type){i=n.item.getAttributes();break}}}return i}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function Vi(e,t){if(!e)return null;if(e instanceof ti||e instanceof ei)return e.getAttributes();if(!t.isInline(e))return null;if(!t.isObject(e))return[];const i=[];for(const[n,o]of e.getAttributes())t.checkAttribute("$text",n)&&!1!==t.getAttributeProperties(n).copyFromObject&&i.push([n,o]);return i}class Ri{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}class Oi extends Ri{elementToElement(e){return this.add(function(e){const t=Li(e.model),i=Di(e.view,"container");return t.attributes.length&&(t.children=!0),n=>{n.on(`insert:${t.name}`,function(e,t=$i){return(i,n,o)=>{if(!t(n.item,o.consumable,{preflight:!0}))return;const s=e(n.item,o,n);if(!s)return;t(n.item,o.consumable);const r=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(n.item,s),o.writer.insert(r,s),o.convertAttributes(n.item),Ui(s,n.item.getChildren(),o,{reconversion:n.reconversion})}}(i,Hi(t)),{priority:e.converterPriority||"normal"}),(t.children||t.attributes.length)&&n.on("reduceChanges",Wi(t),{priority:"low"})}}(e))}elementToStructure(e){return this.add(function(e){const t=Li(e.model),i=Di(e.view,"container");return t.children=!0,o=>{if(o._conversionApi.schema.checkChild(t.name,"$text"))throw new n.CKEditorError("conversion-element-to-structure-disallowed-text",o,{elementName:t.name});var s,r;o.on(`insert:${t.name}`,(s=i,r=Hi(t),(e,t,i)=>{if(!r(t.item,i.consumable,{preflight:!0}))return;const o=new Map;i.writer._registerSlotFactory(function(e,t,i){return(o,s)=>{const r=o.createContainerElement("$slot");let a=null;if("children"===s)a=Array.from(e.getChildren());else{if("function"!=typeof s)throw new n.CKEditorError("conversion-slot-mode-unknown",i.dispatcher,{modeOrFilter:s});a=Array.from(e.getChildren()).filter((e=>s(e)))}return t.set(r,a),r}}(t.item,o,i));const a=s(t.item,i,t);if(i.writer._clearSlotFactory(),!a)return;!function(e,t,i){const o=Array.from(t.values()).flat(),s=new Set(o);if(s.size!=o.length)throw new n.CKEditorError("conversion-slot-filter-overlap",i.dispatcher,{element:e});if(s.size!=e.childCount)throw new n.CKEditorError("conversion-slot-filter-incomplete",i.dispatcher,{element:e})}(t.item,o,i),r(t.item,i.consumable);const l=i.mapper.toViewPosition(t.range.start);i.mapper.bindElements(t.item,a),i.writer.insert(l,a),i.convertAttributes(t.item),function(e,t,i,n){i.mapper.on("modelToViewPosition",r,{priority:"highest"});let o=null,s=null;for([o,s]of t)Ui(e,s,i,n),i.writer.move(i.writer.createRangeIn(o),i.writer.createPositionBefore(o)),i.writer.remove(o);function r(e,t){const i=t.modelPosition.nodeAfter,n=s.indexOf(i);n<0||(t.viewPosition=t.mapper.findPositionIn(o,n))}i.mapper.off("modelToViewPosition",r)}(a,o,i,{reconversion:t.reconversion})}),{priority:e.converterPriority||"normal"}),o.on("reduceChanges",Wi(t),{priority:"low"})}}(e))}attributeToElement(e){return this.add(function(e){let t=(e=Gt(e)).model;"string"==typeof t&&(t={key:t});let i=`attribute:${t.key}`;if(t.name&&(i+=":"+t.name),t.values)for(const i of t.values)e.view[i]=Di(e.view[i],"attribute");else e.view=Di(e.view,"attribute");const n=Ni(e);return t=>{t.on(i,function(e){return(t,i,n)=>{if(!n.consumable.test(i.item,t.name))return;const o=e(i.attributeOldValue,n,i),s=e(i.attributeNewValue,n,i);if(!o&&!s)return;n.consumable.consume(i.item,t.name);const r=n.writer,a=r.document.selection;if(i.item instanceof wi||i.item instanceof Pi)r.wrap(a.getFirstRange(),s);else{let e=n.mapper.toViewRange(i.range);null!==i.attributeOldValue&&o&&(e=r.unwrap(e,o)),null!==i.attributeNewValue&&s&&r.wrap(e,s)}}}(n),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=(e=Gt(e)).model;"string"==typeof t&&(t={key:t});let i=`attribute:${t.key}`;if(t.name&&(i+=":"+t.name),t.values)for(const i of t.values)e.view[i]=Fi(e.view[i]);else e.view=Fi(e.view);const o=Ni(e);return t=>{var s;t.on(i,(s=o,(e,t,i)=>{if(!i.consumable.test(t.item,e.name))return;const o=s(t.attributeOldValue,i,t),r=s(t.attributeNewValue,i,t);if(!o&&!r)return;i.consumable.consume(t.item,e.name);const a=i.mapper.toViewElement(t.item),l=i.writer;if(!a)throw new n.CKEditorError("conversion-attribute-to-attribute-on-text",i.dispatcher,t);if(null!==t.attributeOldValue&&o)if("class"==o.key){const e=(0,n.toArray)(o.value);for(const t of e)l.removeClass(t,a)}else if("style"==o.key){const e=Object.keys(o.value);for(const t of e)l.removeStyle(t,a)}else l.removeAttribute(o.key,a);if(null!==t.attributeNewValue&&r)if("class"==r.key){const e=(0,n.toArray)(r.value);for(const t of e)l.addClass(t,a)}else if("style"==r.key){const e=Object.keys(r.value);for(const t of e)l.setStyle(t,r.value[t],a)}else l.setAttribute(r.key,r.value,a)}),{priority:e.converterPriority||"normal"})}}(e))}markerToElement(e){return this.add(function(e){const t=Di(e.view,"ui");return i=>{var n;i.on(`addMarker:${e.model}`,(n=t,(e,t,i)=>{t.isOpening=!0;const o=n(t,i);t.isOpening=!1;const s=n(t,i);if(!o||!s)return;const r=t.markerRange;if(r.isCollapsed&&!i.consumable.consume(r,e.name))return;for(const t of r)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,l=i.writer;l.insert(a.toViewPosition(r.start),o),i.mapper.bindElementToMarker(o,t.markerName),r.isCollapsed||(l.insert(a.toViewPosition(r.end),s),i.mapper.bindElementToMarker(s,t.markerName)),e.stop()}),{priority:e.converterPriority||"normal"}),i.on(`removeMarker:${e.model}`,((e,t,i)=>{const n=i.mapper.markerNameToElements(t.markerName);if(n){for(const e of n)i.mapper.unbindElementFromMarkerName(e,t.markerName),i.writer.clear(i.writer.createRangeOn(e),e);i.writer.clearClonedElementsGroup(t.markerName),e.stop()}}),{priority:e.converterPriority||"normal"})}}(e))}markerToHighlight(e){return this.add(function(e){return t=>{var i;t.on(`addMarker:${e.model}`,(i=e.view,(e,t,n)=>{if(!t.item)return;if(!(t.item instanceof wi||t.item instanceof Pi||t.item.is("$textProxy")))return;const o=zi(i,t,n);if(!o)return;if(!n.consumable.consume(t.item,e.name))return;const s=n.writer,r=Bi(s,o),a=s.document.selection;if(t.item instanceof wi||t.item instanceof Pi)s.wrap(a.getFirstRange(),r);else{const e=n.mapper.toViewRange(t.range),i=s.wrap(e,r);for(const e of i.getItems())if(e.is("attributeElement")&&e.isSimilar(r)){n.mapper.bindElementToMarker(e,t.markerName);break}}}),{priority:e.converterPriority||"normal"}),t.on(`addMarker:${e.model}`,function(e){return(t,i,n)=>{if(!i.item)return;if(!(i.item instanceof ii))return;const o=zi(e,i,n);if(!o)return;if(!n.consumable.test(i.item,t.name))return;const s=n.mapper.toViewElement(i.item);if(s&&s.getCustomProperty("addHighlight")){n.consumable.consume(i.item,t.name);for(const e of hi._createIn(i.item))n.consumable.consume(e.item,t.name);s.getCustomProperty("addHighlight")(s,o,n.writer),n.mapper.bindElementToMarker(s,i.markerName)}}}(e.view),{priority:e.converterPriority||"normal"}),t.on(`removeMarker:${e.model}`,function(e){return(t,i,n)=>{if(i.markerRange.isCollapsed)return;const o=zi(e,i,n);if(!o)return;const s=Bi(n.writer,o),r=n.mapper.markerNameToElements(i.markerName);if(r){for(const e of r)n.mapper.unbindElementFromMarkerName(e,i.markerName),e.is("attributeElement")?n.writer.unwrap(n.writer.createRangeOn(e),s):e.getCustomProperty("removeHighlight")(e,o.id,n.writer);n.writer.clearClonedElementsGroup(i.markerName),t.stop()}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}markerToData(e){return this.add(function(e){const t=(e=Gt(e)).model;let i=e.view;return i||(i=i=>({group:t,name:i.substr(e.model.length+1)})),n=>{var o;n.on(`addMarker:${t}`,(o=i,(e,t,i)=>{const n=o(t.markerName,i);if(!n)return;const s=t.markerRange;i.consumable.consume(s,e.name)&&(Mi(s,!1,i,t,n),Mi(s,!0,i,t,n),e.stop())}),{priority:e.converterPriority||"normal"}),n.on(`removeMarker:${t}`,function(e){return(t,i,n)=>{const o=e(i.markerName,n);if(!o)return;const s=n.mapper.markerNameToElements(i.markerName);if(s){for(const e of s)n.mapper.unbindElementFromMarkerName(e,i.markerName),e.is("containerElement")?(r(`data-${o.group}-start-before`,e),r(`data-${o.group}-start-after`,e),r(`data-${o.group}-end-before`,e),r(`data-${o.group}-end-after`,e)):n.writer.clear(n.writer.createRangeOn(e),e);n.writer.clearClonedElementsGroup(i.markerName),t.stop()}function r(e,t){if(t.hasAttribute(e)){const i=new Set(t.getAttribute(e).split(","));i.delete(o.name),0==i.size?n.writer.removeAttribute(e,t):n.writer.setAttribute(e,Array.from(i).join(","),t)}}}}(i),{priority:e.converterPriority||"normal"})}}(e))}}function Bi(e,t){const i=e.createAttributeElement("span",t.attributes);return t.classes&&i._addClass(t.classes),"number"==typeof t.priority&&(i._priority=t.priority),i._id=t.id,i}function Mi(e,t,i,n,o){const s=t?e.start:e.end,r=s.nodeAfter&&s.nodeAfter.is("element")?s.nodeAfter:null,a=s.nodeBefore&&s.nodeBefore.is("element")?s.nodeBefore:null;if(r||a){let e,s;t&&r||!t&&!a?(e=r,s=!0):(e=a,s=!1);const l=i.mapper.toViewElement(e);if(l)return void function(e,t,i,n,o,s){const r=`data-${s.group}-${t?"start":"end"}-${i?"before":"after"}`,a=e.hasAttribute(r)?e.getAttribute(r).split(","):[];a.unshift(s.name),n.writer.setAttribute(r,a.join(","),e),n.mapper.bindElementToMarker(e,o.markerName)}(l,t,s,i,n,o)}!function(e,t,i,n,o){const s=`${o.group}-${t?"start":"end"}`,r=o.name?{name:o.name}:null,a=i.writer.createUIElement(s,r);i.writer.insert(e,a),i.mapper.bindElementToMarker(a,n.markerName)}(i.mapper.toViewPosition(s),t,i,n,o)}function Li(e){return"string"==typeof e&&(e={name:e}),{name:e.name,attributes:e.attributes?(0,n.toArray)(e.attributes):[],children:!!e.children}}function Di(e,t){return"function"==typeof e?e:(i,n)=>function(e,t,i){let n;"string"==typeof e&&(e={name:e});const o=t.writer,s=Object.assign({},e.attributes);if("container"==i)n=o.createContainerElement(e.name,s);else if("attribute"==i){const t={priority:e.priority||Fe.DEFAULT_PRIORITY};n=o.createAttributeElement(e.name,s,t)}else n=o.createUIElement(e.name,s);if(e.styles){const t=Object.keys(e.styles);for(const i of t)o.setStyle(i,e.styles[i],n)}if(e.classes){const t=e.classes;if("string"==typeof t)o.addClass(t,n);else for(const e of t)o.addClass(e,n)}return n}(e,n,t)}function Ni(e){return e.model.values?(t,i,n)=>{const o=e.view[t];return o?o(t,i,n):null}:e.view}function Fi(e){return"string"==typeof e?t=>({key:e,value:t}):"object"==typeof e?e.value?()=>e:t=>({key:e.key,value:t}):e}function zi(e,t,i){const n="function"==typeof e?e(t,i):e;return n?(n.priority||(n.priority=10),n.id||(n.id=t.markerName),n):null}function Wi(e){const t=function(e){return(t,i)=>{if(!t.is("element",e.name))return!1;if("attribute"==i.type){if(e.attributes.includes(i.attributeKey))return!0}else if(e.children)return!0;return!1}}(e);return(e,i)=>{const n=[];i.reconvertedElements||(i.reconvertedElements=new Set);for(const e of i.changes){const o="attribute"==e.type?e.range.start.nodeAfter:e.position.parent;if(o&&t(o,e)){if(!i.reconvertedElements.has(o)){i.reconvertedElements.add(o);const e=si._createBefore(o);let t=n.length;for(let i=n.length-1;i>=0;i--){const o=n[i],s=("attribute"==o.type?o.range.start:o.position).compareWith(e);if("before"==s||"remove"==o.type&&"same"==s)break;t=i}n.splice(t,0,{type:"remove",name:o.name,position:e,length:1},{type:"reinsert",name:o.name,position:e,length:1})}}else n.push(e)}i.changes=n}}function Hi(e){return(t,i,n={})=>{const o=["insert"];for(const i of e.attributes)t.hasAttribute(i)&&o.push(`attribute:${i}`);return!!o.every((e=>i.test(t,e)))&&(n.preflight||o.forEach((e=>i.consume(t,e))),!0)}}function 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i=>{i.on(n,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=null;("string"==typeof(e=Gt(e)).view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key;let i;return i="class"==t||"style"==t?{["class"==t?"classes":"styles"]:e.view.value}:{attributes:{[t]:void 0===e.view.value?/[\s\S]*/:e.view.value}},e.view.name&&(i.name=e.view.name),e.view=i,t}(e)),Xi(e,t);const i=en(e,!0);return t=>{t.on("element",i,{priority:e.converterPriority||"low"})}}(e))}elementToMarker(e){return this.add(function(e){const t=function(e){return(t,i)=>{const n="string"==typeof e?e:e(t,i);return i.writer.createElement("$marker",{"data-name":n})}}(e.model);return Ji({...e,model:t})}(e))}dataToMarker(e){return this.add(function(e){(e=Gt(e)).model||(e.model=t=>t?e.view+":"+t:e.view);const t={view:e.view,model:e.model},i=Qi(tn(t,"start")),o=Qi(tn(t,"end"));return s=>{s.on(`element:${e.view}-start`,i,{priority:e.converterPriority||"normal"}),s.on(`element:${e.view}-end`,o,{priority:e.converterPriority||"normal"});const r=n.priorities.low,a=n.priorities.highest,l=n.priorities.get(e.converterPriority)/a;s.on("element",function(e){return(t,i,n)=>{const o=`data-${e.view}`;function s(t,o){for(const s of o){const o=e.model(s,n),r=n.writer.createElement("$marker",{"data-name":o});n.writer.insert(r,t),i.modelCursor.isEqual(t)?i.modelCursor=i.modelCursor.getShiftedBy(1):i.modelCursor=i.modelCursor._getTransformedByInsertion(t,1),i.modelRange=i.modelRange._getTransformedByInsertion(t,1)[0]}}(n.consumable.test(i.viewItem,{attributes:o+"-end-after"})||n.consumable.test(i.viewItem,{attributes:o+"-start-after"})||n.consumable.test(i.viewItem,{attributes:o+"-end-before"})||n.consumable.test(i.viewItem,{attributes:o+"-start-before"}))&&(i.modelRange||Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor)),n.consumable.consume(i.viewItem,{attributes:o+"-end-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-end-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-start-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-end-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-end-before").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-start-before").split(",")))}}(t),{priority:r+l})}}(e))}}function Ji(e){const t=Qi(e=Gt(e)),i=Yi(e.view),n=i?`element:${i}`:"element";return i=>{i.on(n,t,{priority:e.converterPriority||"normal"})}}function Yi(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function Qi(e){const t=new y(e.view);return(i,n,o)=>{const s=t.match(n.viewItem);if(!s)return;const r=s.match;if(r.name=!0,!o.consumable.test(n.viewItem,r))return;const a=function(e,t,i){return e instanceof Function?e(t,i):i.writer.createElement(e)}(e.model,n.viewItem,o);a&&o.safeInsert(a,n.modelCursor)&&(o.consumable.consume(n.viewItem,r),o.convertChildren(n.viewItem,a),o.updateConversionResult(a,n))}}function Xi(e,t=null){const i=null===t||(e=>e.getAttribute(t)),n="object"!=typeof e.model?e.model:e.model.key,o="object"!=typeof e.model||void 0===e.model.value?i:e.model.value;e.model={key:n,value:o}}function en(e,t){const i=new y(e.view);return(n,o,s)=>{if(!o.modelRange&&t)return;const r=i.match(o.viewItem);if(!r)return;if(function(e,t){const i="function"==typeof e?e(t):e;return!("object"==typeof i&&!Yi(i))&&(!i.classes&&!i.attributes&&!i.styles)}(e.view,o.viewItem)?r.match.name=!0:delete r.match.name,!s.consumable.test(o.viewItem,r.match))return;const a=e.model.key,l="function"==typeof e.model.value?e.model.value(o.viewItem,s):e.model.value;if(null===l)return;o.modelRange||Object.assign(o,s.convertChildren(o.viewItem,o.modelCursor));const c=function(e,t,i,n){let o=!1;for(const s of Array.from(e.getItems({shallow:i})))n.schema.checkAttribute(s,t.key)&&(o=!0,s.hasAttribute(t.key)||n.writer.setAttribute(t.key,t.value,s));return o}(o.modelRange,{key:a,value:l},t,s);c&&(s.consumable.test(o.viewItem,{name:!0})&&(r.match.name=!0),s.consumable.consume(o.viewItem,r.match))}}function tn(e,t){return{view:`${e.view}-${t}`,model:(t,i)=>{const n=t.getAttribute("name"),o=e.model(n,i);return i.writer.createElement("$marker",{"data-name":o})}}}function nn(e,t){return e.isCollapsed?function(e,t){const i=e.start,n=t.getNearestSelectionRange(i);if(!n){const e=i.getAncestors().reverse().find((e=>t.isObject(e)));return e?hi._createOn(e):null}if(!n.isCollapsed)return n;const o=n.start;return i.isEqual(o)?null:new hi(o)}(e,t):function(e,t){const{start:i,end:n}=e,o=t.checkChild(i,"$text"),s=t.checkChild(n,"$text"),r=t.getLimitElement(i),a=t.getLimitElement(n);if(r===a){if(o&&s)return null;if(function(e,t,i){const n=e.nodeAfter&&!i.isLimit(e.nodeAfter)||i.checkChild(e,"$text"),o=t.nodeBefore&&!i.isLimit(t.nodeBefore)||i.checkChild(t,"$text");return n||o}(i,n,t)){const e=i.nodeAfter&&t.isSelectable(i.nodeAfter)?null:t.getNearestSelectionRange(i,"forward"),o=n.nodeBefore&&t.isSelectable(n.nodeBefore)?null:t.getNearestSelectionRange(n,"backward"),s=e?e.start:i,r=o?o.end:n;return new hi(s,r)}}const l=r&&!r.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const e=i.nodeAfter&&n.nodeBefore&&i.nodeAfter.parent===n.nodeBefore.parent,o=l&&(!e||!sn(i.nodeAfter,t)),s=c&&(!e||!sn(n.nodeBefore,t));let d=i,h=n;return o&&(d=si._createBefore(on(r,t))),s&&(h=si._createAfter(on(a,t))),new hi(d,h)}return null}(e,t)}function on(e,t){let i=e,n=i;for(;t.isLimit(n)&&n.parent;)i=n,n=n.parent;return i}function sn(e,t){return e&&t.isSelectable(e)}class rn extends((0,n.ObservableMixin)()){constructor(e,t){super(),this.model=e,this.view=new Jt(t),this.mapper=new ui,this.downcastDispatcher=new fi({mapper:this.mapper,schema:e.schema});const i=this.model.document,o=i.selection,s=this.model.markers;var r,a,l;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(!0)}),{priority:"highest"}),this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(!1)}),{priority:"lowest"}),this.listenTo(i,"change",(()=>{this.view.change((e=>{this.downcastDispatcher.convertChanges(i.differ,s,e),this.downcastDispatcher.convertSelection(o,s,e)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(i,n)=>{const o=n.newSelection,s=[];for(const e of o.getRanges())s.push(t.toModelRange(e));const r=e.createSelection(s,{backward:o.isBackward});r.isEqual(e.document.selection)||e.change((e=>{e.setSelection(r)}))}}(this.model,this.mapper)),this.listenTo(this.view.document,"beforeinput",(r=this.mapper,a=this.model.schema,l=this.view,(e,t)=>{if(!l.document.isComposing||n.env.isAndroid)for(let e=0;e{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewPosition(t.range.start),s=n.createText(t.item.data);n.insert(o,s)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,i)=>{i.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||i.convertChildren(t.item)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((e,t,i)=>{const n=i.mapper.toViewPosition(t.position),o=t.position.getShiftedBy(t.length),s=i.mapper.toViewPosition(o,{isPhantom:!0}),r=i.writer.createRange(n,s),a=i.writer.remove(r.getTrimmed());for(const e of i.writer.createRangeIn(a).getItems())i.mapper.unbindViewElement(e,{defer:!0})}),{priority:"low"}),this.downcastDispatcher.on("cleanSelection",((e,t,i)=>{const n=i.writer,o=n.document.selection;for(const e of o.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&i.writer.mergeAttributes(e.start);n.setSelection(null)})),this.downcastDispatcher.on("selection",((e,t,i)=>{const n=t.selection;if(n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=[];for(const e of n.getRanges())o.push(i.mapper.toViewRange(e));i.writer.setSelection(o,{backward:n.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((e,t,i)=>{const n=t.selection;if(!n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=i.writer,s=n.getFirstPosition(),r=i.mapper.toViewPosition(s),a=o.breakAttributes(r);o.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((e=>{if("$graveyard"==e.rootName)return null;const t=new Ce(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t}))}destroy(){this.view.destroy(),this.stopListening()}reconvertMarker(e){const t="string"==typeof e?e:e.name,i=this.model.markers.get(t);if(!i)throw new n.CKEditorError("editingcontroller-reconvertmarker-marker-not-exist",this,{markerName:t});this.model.change((()=>{this.model.markers._refresh(i)}))}reconvertItem(e){this.model.change((()=>{this.model.document.differ._refreshItem(e)}))}}class an{constructor(){this._consumables=new Map}add(e,t){let i;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?i=this._consumables.get(e):(i=new cn(e),this._consumables.set(e,i)),i.add(t))}test(e,t){const i=this._consumables.get(e);return void 0===i?null:e.is("$text")||e.is("documentFragment")?i:i.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const i=this._consumables.get(e);void 0!==i&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):i.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},i=e.getAttributeKeys();for(const e of i)"style"!=e&&"class"!=e&&t.attributes.push(e);const n=e.getClassNames();for(const e of n)t.classes.push(e);const o=e.getStyleNames();for(const e of o)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new an),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,an.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const i of e.getChildren())t=an.createFrom(i,t);return t}}const ln=["attributes","classes","styles"];class cn{constructor(e){this.element=e,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(e){e.name&&(this._canConsumeName=!0);for(const t of ln)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t of ln)if(t in e){const i=this._test(t,e[t]);if(!0!==i)return i}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t of ln)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t of ln)t in e&&this._revert(t,e[t])}_add(e,t){const i=(0,E.Z)(t)?t:[t],o=this._consumables[e];for(const t of i){if("attributes"===e&&("class"===t||"style"===t))throw new n.CKEditorError("viewconsumable-invalid-attribute",this);if(o.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))o.set(e,!0)}}_test(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t){const e=n.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",i=this._test(e,[...this._consumables[e].keys()]);if(!0!==i)return i}return!0}_consume(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t){if(n.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))n.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t)!1===n.get(t)&&n.set(t,!0);else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}class dn extends((0,n.ObservableMixin)()){constructor(){super(),this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((e,t)=>{t[0]=new hn(t[0])}),{priority:"highest"}),this.on("checkChild",((e,t)=>{t[0]=new hn(t[0]),t[1]=this.getDefinition(t[1])}),{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new n.CKEditorError("schema-cannot-register-item-twice",this,{itemName:e});this._sourceDefinitions[e]=[Object.assign({},t)],this._clearCache()}extend(e,t){if(!this._sourceDefinitions[e])throw new n.CKEditorError("schema-cannot-extend-missing-item",this,{itemName:e});this._sourceDefinitions[e].push(Object.assign({},t)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(e){let t;return t="string"==typeof e?e:"is"in e&&(e.is("$text")||e.is("$textProxy"))?"$text":e.name,this.getDefinitions()[t]}isRegistered(e){return!!this.getDefinition(e)}isBlock(e){const t=this.getDefinition(e);return!(!t||!t.isBlock)}isLimit(e){const t=this.getDefinition(e);return!(!t||!t.isLimit&&!t.isObject)}isObject(e){const t=this.getDefinition(e);return!!t&&!!(t.isObject||t.isLimit&&t.isSelectable&&t.isContent)}isInline(e){const t=this.getDefinition(e);return!(!t||!t.isInline)}isSelectable(e){const t=this.getDefinition(e);return!(!t||!t.isSelectable&&!t.isObject)}isContent(e){const t=this.getDefinition(e);return!(!t||!t.isContent&&!t.isObject)}checkChild(e,t){return!!t&&this._checkContextMatch(t,e)}checkAttribute(e,t){const i=this.getDefinition(e.last);return!!i&&i.allowAttributes.includes(t)}checkMerge(e,t){if(e instanceof si){const t=e.nodeBefore,i=e.nodeAfter;if(!(t instanceof ii))throw new n.CKEditorError("schema-check-merge-no-element-before",this);if(!(i instanceof ii))throw new n.CKEditorError("schema-check-merge-no-element-after",this);return this.checkMerge(t,i)}for(const i of t.getChildren())if(!this.checkChild(e,i))return!1;return!0}addChildCheck(e){this.on("checkChild",((t,[i,n])=>{if(!n)return;const o=e(i,n);"boolean"==typeof o&&(t.stop(),t.return=o)}),{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",((t,[i,n])=>{const o=e(i,n);"boolean"==typeof o&&(t.stop(),t.return=o)}),{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;for(t=e instanceof si?e.parent:(e instanceof hi?[e]:Array.from(e.getRanges())).reduce(((e,t)=>{const i=t.getCommonAncestor();return e?e.getCommonAncestor(i,{includeSelf:!0}):i}),null);!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const i=[...e.getFirstPosition().getAncestors(),new ei("",e.getAttributes())];return this.checkAttribute(i,t)}{const i=e.getRanges();for(const e of i)for(const i of e)if(this.checkAttribute(i.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const i of e)yield*this._getValidRangesForRange(i,t)}getNearestSelectionRange(e,t="both"){if("$graveyard"==e.root.rootName)return null;if(this.checkChild(e,"$text"))return new hi(e);let i,n;const o=e.getAncestors().reverse().find((e=>this.isLimit(e)))||e.root;"both"!=t&&"backward"!=t||(i=new ni({boundaries:hi._createIn(o),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(n=new ni({boundaries:hi._createIn(o),startPosition:e}));for(const e of function*(e,t){let i=!1;for(;!i;){if(i=!0,e){const t=e.next();t.done||(i=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(i=!1,yield{walker:t,value:e.value})}}}(i,n)){const t=e.walker==i?"elementEnd":"elementStart",n=e.value;if(n.type==t&&this.isObject(n.item))return hi._createOn(n.item);if(this.checkChild(n.nextPosition,"$text"))return new hi(n.nextPosition)}return null}findAllowedParent(e,t){let i=e.parent;for(;i;){if(this.checkChild(i,t))return i;if(this.isLimit(i))return null;i=i.parent}return null}setAllowedAttributes(e,t,i){const n=i.model;for(const[o,s]of Object.entries(t))n.schema.checkAttribute(e,o)&&i.setAttribute(o,s,e)}removeDisallowedAttributes(e,t){for(const i of e)if(i.is("$text"))An(this,i,t);else{const e=hi._createIn(i).getPositions();for(const i of e)An(this,i.nodeBefore||i.parent,t)}}getAttributesWithProperty(e,t,i){const n={};for(const[o,s]of e.getAttributes()){const e=this.getAttributeProperties(o);void 0!==e[t]&&(void 0!==i&&i!==e[t]||(n[o]=s))}return n}createContext(e){return new hn(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,i=Object.keys(t);for(const n of i)e[n]=un(t[n],n);for(const t of i)mn(e,t);for(const t of i)gn(e,t);for(const t of i)fn(e,t);for(const t of i)pn(e,t),bn(e,t);for(const t of i)wn(e,t),vn(e,t),_n(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,i=t.length-1){const n=t.getItem(i);if(e.allowIn.includes(n.name)){if(0==i)return!0;{const e=this.getDefinition(n);return this._checkContextMatch(e,t,i-1)}}return!1}*_getValidRangesForRange(e,t){let i=e.start,n=e.start;for(const o of e.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(hi._createIn(o),t)),this.checkAttribute(o,t)||(i.isEqual(n)||(yield new hi(i,n)),i=si._createAfter(o)),n=si._createAfter(o);i.isEqual(n)||(yield new hi(i,n))}findOptimalInsertionRange(e,t){const i=e.getSelectedElement();if(i&&this.isObject(i)&&!this.isInline(i))return"before"==t||"after"==t?new hi(si._createAt(i,t)):hi._createOn(i);const o=(0,n.first)(e.getSelectedBlocks());if(!o)return new hi(e.focus);if(o.isEmpty)return new hi(si._createAt(o,0));const s=si._createAfter(o);return e.focus.isTouching(s)?new hi(s):new hi(si._createBefore(o))}}class hn{constructor(e){if(e instanceof hn)return e;let t;t="string"==typeof e?[e]:Array.isArray(e)?e:e.getAncestors({includeSelf:!0}),this._items=t.map(Cn)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(e){const t=new hn([e]);return t._items=[...this._items,...t._items],t}getItem(e){return this._items[e]}*getNames(){yield*this._items.map((e=>e.name))}endsWith(e){return Array.from(this.getNames()).join(" ").endsWith(e)}startsWith(e){return Array.from(this.getNames()).join(" ").startsWith(e)}}function un(e,t){const i={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],allowChildren:[],inheritTypesFrom:[]};return function(e,t){for(const i of e){const e=Object.keys(i).filter((e=>e.startsWith("is")));for(const n of e)t[n]=!!i[n]}}(e,i),yn(e,i,"allowIn"),yn(e,i,"allowContentOf"),yn(e,i,"allowWhere"),yn(e,i,"allowAttributes"),yn(e,i,"allowAttributesOf"),yn(e,i,"allowChildren"),yn(e,i,"inheritTypesFrom"),function(e,t){for(const i of e){const e=i.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,i),i}function mn(e,t){const i=e[t];for(const n of i.allowChildren){const i=e[n];i&&i.allowIn.push(t)}i.allowChildren.length=0}function gn(e,t){for(const i of e[t].allowContentOf)e[i]&&kn(e,i).forEach((e=>{e.allowIn.push(t)}));delete e[t].allowContentOf}function fn(e,t){for(const i of e[t].allowWhere){const n=e[i];if(n){const i=n.allowIn;e[t].allowIn.push(...i)}}delete e[t].allowWhere}function pn(e,t){for(const i of e[t].allowAttributesOf){const n=e[i];if(n){const i=n.allowAttributes;e[t].allowAttributes.push(...i)}}delete e[t].allowAttributesOf}function bn(e,t){const i=e[t];for(const t of i.inheritTypesFrom){const n=e[t];if(n){const e=Object.keys(n).filter((e=>e.startsWith("is")));for(const t of e)t in i||(i[t]=n[t])}}delete i.inheritTypesFrom}function wn(e,t){const i=e[t],n=i.allowIn.filter((t=>e[t]));i.allowIn=Array.from(new Set(n))}function vn(e,t){const i=e[t];for(const n of i.allowIn)e[n].allowChildren.push(t)}function _n(e,t){const i=e[t];i.allowAttributes=Array.from(new Set(i.allowAttributes))}function yn(e,t,i){for(const n of e){const e=n[i];"string"==typeof e?t[i].push(e):Array.isArray(e)&&t[i].push(...e)}}function kn(e,t){const i=e[t];return(n=e,Object.keys(n).map((e=>n[e]))).filter((e=>e.allowIn.includes(i.name)));var n}function Cn(e){return"string"==typeof e||e.is("documentFragment")?{name:"string"==typeof e?e:"$documentFragment",*getAttributeKeys(){},getAttribute(){}}:{name:e.is("element")?e.name:"$text",*getAttributeKeys(){yield*e.getAttributeKeys()},getAttribute:t=>e.getAttribute(t)}}function An(e,t,i){for(const n of t.getAttributeKeys())e.checkAttribute(t,n)||i.removeAttribute(n,t)}class En extends((0,n.EmitterMixin)()){constructor(e){super(),this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this._emptyElementsToKeep=new Set,this.conversionApi={...e,consumable:null,writer:null,store:null,convertItem:(e,t)=>this._convertItem(e,t),convertChildren:(e,t)=>this._convertChildren(e,t),safeInsert:(e,t)=>this._safeInsert(e,t),updateConversionResult:(e,t)=>this._updateConversionResult(e,t),splitToAllowedParent:(e,t)=>this._splitToAllowedParent(e,t),getSplitParts:e=>this._getSplitParts(e),keepEmptyElement:e=>this._keepEmptyElement(e)}}convert(e,t,i=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let i;for(const n of new hn(e)){const e={};for(const t of n.getAttributeKeys())e[t]=n.getAttribute(t);const o=t.createElement(n.name,e);i&&t.insert(o,i),i=si._createAt(o,0)}return i}(i,t),this.conversionApi.writer=t,this.conversionApi.consumable=an.createFrom(e),this.conversionApi.store={};const{modelRange:n}=this._convertItem(e,this._modelCursor),o=t.createDocumentFragment();if(n){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,o);o.markers=function(e,t){const i=new Set,n=new Map,o=hi._createIn(e).getItems();for(const e of o)e.is("element","$marker")&&i.add(e);for(const e of i){const i=e.getAttribute("data-name"),o=t.createPositionBefore(e);n.has(i)?n.get(i).end=o.clone():n.set(i,new hi(o.clone())),t.remove(e)}return n}(o,t)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this._emptyElementsToKeep.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(e,t){const i={viewItem:e,modelCursor:t,modelRange:null};if(e.is("element")?this.fire(`element:${e.name}`,i,this.conversionApi):e.is("$text")?this.fire("text",i,this.conversionApi):this.fire("documentFragment",i,this.conversionApi),i.modelRange&&!(i.modelRange instanceof hi))throw new n.CKEditorError("view-conversion-dispatcher-incorrect-result",this);return{modelRange:i.modelRange,modelCursor:i.modelCursor}}_convertChildren(e,t){let i=t.is("position")?t:si._createAt(t,0);const n=new hi(i);for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,i);e.modelRange instanceof hi&&(n.end=e.modelRange.end,i=e.modelCursor)}return{modelRange:n,modelCursor:i}}_safeInsert(e,t){const i=this._splitToAllowedParent(e,t);return!!i&&(this.conversionApi.writer.insert(e,i.position),!0)}_updateConversionResult(e,t){const i=this._getSplitParts(e),n=this.conversionApi.writer;t.modelRange||(t.modelRange=n.createRange(n.createPositionBefore(e),n.createPositionAfter(i[i.length-1])));const o=this._cursorParents.get(e);t.modelCursor=o?n.createPositionAt(o,0):t.modelRange.end}_splitToAllowedParent(e,t){const{schema:i,writer:n}=this.conversionApi;let o=i.findAllowedParent(t,e);if(o){if(o===t.parent)return{position:t};this._modelCursor.parent.getAncestors().includes(o)&&(o=null)}if(!o)return qi(t,e,i)?{position:Ki(t,n)}:null;const s=this.conversionApi.writer.split(t,o),r=[];for(const e of s.range.getWalker())if("elementEnd"==e.type)r.push(e.item);else{const t=r.pop(),i=e.item;this._registerSplitPair(t,i)}const a=s.range.end.parent;return this._cursorParents.set(e,a),{position:s.position,cursorParent:a}}_registerSplitPair(e,t){this._splitParts.has(e)||this._splitParts.set(e,[e]);const i=this._splitParts.get(e);this._splitParts.set(t,i),i.push(t)}_getSplitParts(e){let t;return t=this._splitParts.has(e)?this._splitParts.get(e):[e],t}_keepEmptyElement(e){this._emptyElementsToKeep.add(e)}_removeEmptyElements(){let e=!1;for(const t of this._splitParts.keys())t.isEmpty&&!this._emptyElementsToKeep.has(t)&&(this.conversionApi.writer.remove(t),this._splitParts.delete(t),e=!0);e&&this._removeEmptyElements()}}class xn{getHtml(e){const t=n.global.document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}class Tn{constructor(e){this.skipComments=!0,this.domParser=new DOMParser,this.domConverter=new Et(e,{renderingMode:"data"}),this.htmlWriter=new xn}toData(e){const t=this.domConverter.viewToDom(e);return this.htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this.domConverter.domToView(t,{skipComments:this.skipComments})}registerRawContentMatcher(e){this.domConverter.registerRawContentMatcher(e)}useFillerType(e){this.domConverter.blockFillerMode="marked"==e?"markedNbsp":"nbsp"}_toDom(e){e.match(/<(?:html|body|head|meta)(?:\s[^>]*)?>/i)||(e=`${e}`);const t=this.domParser.parseFromString(e,"text/html"),i=t.createDocumentFragment(),n=t.body.childNodes;for(;n.length>0;)i.appendChild(n[0]);return i}}class Sn extends((0,n.EmitterMixin)()){constructor(e,t){super(),this.model=e,this.mapper=new ui,this.downcastDispatcher=new fi({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",((e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewPosition(t.range.start),s=n.createText(t.item.data);n.insert(o,s)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,i)=>{i.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||i.convertChildren(t.item)}),{priority:"lowest"}),this.upcastDispatcher=new En({schema:e.schema}),this.viewDocument=new De(t),this.stylesProcessor=t,this.htmlProcessor=new Tn(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new Ge(this.viewDocument),this.upcastDispatcher.on("text",((e,t,{schema:i,consumable:n,writer:o})=>{let s=t.modelCursor;if(!n.test(t.viewItem))return;if(!i.checkChild(s,"$text")){if(!qi(s,"$text",i))return;if(0==t.viewItem.data.trim().length)return;const e=s.nodeBefore;s=Ki(s,o),e&&e.is("element","$marker")&&(o.move(o.createRangeOn(e),s),s=o.createPositionAfter(e))}n.consume(t.viewItem);const r=o.createText(t.viewItem.data);o.insert(r,s),t.modelRange=o.createRange(s,s.getShiftedBy(r.offsetSize)),t.modelCursor=t.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((e,t,i)=>{if(!t.modelRange&&i.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:n}=i.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=n}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((e,t,i)=>{if(!t.modelRange&&i.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:n}=i.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=n}}),{priority:"lowest"}),(0,n.ObservableMixin)().prototype.decorate.call(this,"init"),(0,n.ObservableMixin)().prototype.decorate.call(this,"set"),(0,n.ObservableMixin)().prototype.decorate.call(this,"get"),(0,n.ObservableMixin)().prototype.decorate.call(this,"toView"),(0,n.ObservableMixin)().prototype.decorate.call(this,"toModel"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange({isUndoable:!1},Zi)}),{priority:"lowest"})}get(e={}){const{rootName:t="main",trim:i="empty"}=e;if(!this._checkIfRootsExists([t]))throw new n.CKEditorError("datacontroller-get-non-existent-root",this);const o=this.model.document.getRoot(t);return o.isAttached()||(0,n.logWarning)("datacontroller-get-detached-root",this),"empty"!==i||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o,e):""}stringify(e,t={}){const i=this.toView(e,t);return this.processor.toData(i)}toView(e,t={}){const i=this.viewDocument,n=this._viewWriter;this.mapper.clearBindings();const o=hi._createIn(e),s=new Ke(i);this.mapper.bindElements(e,s);const r=e.is("documentFragment")?e.markers:function(e){const t=[],i=e.root.document;if(!i)return new Map;const n=hi._createIn(e);for(const e of i.model.markers){const i=e.getRange(),o=i.isCollapsed,s=i.start.isEqual(n.start)||i.end.isEqual(n.end);if(o&&s)t.push([e.name,i]);else{const o=n.getIntersection(i);o&&t.push([e.name,o])}}return t.sort((([e,t],[i,n])=>{if("after"!==t.end.compareWith(n.start))return 1;if("before"!==t.start.compareWith(n.end))return-1;switch(t.start.compareWith(n.start)){case"before":return 1;case"after":return-1;default:switch(t.end.compareWith(n.end)){case"before":return 1;case"after":return-1;default:return i.localeCompare(e)}}})),new Map(t)}(e);return this.downcastDispatcher.convert(o,r,n,t),s}init(e){if(this.model.document.version)throw new n.CKEditorError("datacontroller-init-document-not-empty",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new n.CKEditorError("datacontroller-init-non-existent-root",this);return this.model.enqueueChange({isUndoable:!1},(e=>{for(const i of Object.keys(t)){const n=this.model.document.getRoot(i);e.insert(this.parse(t[i],n),n,0)}})),Promise.resolve()}set(e,t={}){let i={};if("string"==typeof e?i.main=e:i=e,!this._checkIfRootsExists(Object.keys(i)))throw new n.CKEditorError("datacontroller-set-non-existent-root",this);this.model.enqueueChange(t.batchType||{},(e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const t of Object.keys(i)){const n=this.model.document.getRoot(t);e.remove(e.createRangeIn(n)),e.insert(this.parse(i[t],n),n,0)}}))}parse(e,t="$root"){const i=this.processor.toView(e);return this.toModel(i,t)}toModel(e,t="$root"){return this.model.change((i=>this.upcastDispatcher.convert(e,i,t)))}addStyleProcessorRules(e){e(this.stylesProcessor)}registerRawContentMatcher(e){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(e),this.htmlProcessor.registerRawContentMatcher(e)}destroy(){this.stopListening()}_checkIfRootsExists(e){for(const t of e)if(!this.model.document.getRoot(t))return!1;return!0}}class Pn{constructor(e,t){this._helpers=new Map,this._downcast=(0,n.toArray)(e),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=(0,n.toArray)(t),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const i=this._downcast.includes(t);if(!this._upcast.includes(t)&&!i)throw new n.CKEditorError("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:i})}for(e){if(!this._helpers.has(e))throw new n.CKEditorError("conversion-for-unknown-group",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:i}of In(e))this.for("upcast").elementToElement({model:t,view:i,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:i}of In(e))this.for("upcast").elementToAttribute({view:i,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:i}of In(e))this.for("upcast").attributeToAttribute({view:i,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:i}){if(this._helpers.has(e))throw new n.CKEditorError("conversion-group-exists",this);const o=i?new Oi(t):new Gi(t);this._helpers.set(e,o)}}function*In(e){if(e.model.values)for(const t of e.model.values){const i={key:e.model.key,value:t},n=e.view[t],o=e.upcastAlso?e.upcastAlso[t]:void 0;yield*Vn(i,n,o)}else yield*Vn(e.model,e.view,e.upcastAlso)}function*Vn(e,t,i){if(yield{model:e,view:t},i)for(const t of(0,n.toArray)(i))yield{model:e,view:t}}class Rn{constructor(e){this.baseVersion=e,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const e=Object.assign({},this);return e.__className=this.constructor.className,delete e.batch,delete e.isDocumentOperation,e}static get className(){return"Operation"}static fromJSON(e,t){return new this(e.baseVersion)}}function On(e,t){const i=Ln(t),n=i.reduce(((e,t)=>e+t.offsetSize),0),o=e.parent;Nn(e);const s=e.index;return o._insertChild(s,i),Dn(o,s+i.length),Dn(o,s),new hi(e,e.getShiftedBy(n))}function Bn(e){if(!e.isFlat)throw new n.CKEditorError("operation-utils-remove-range-not-flat",this);const t=e.start.parent;Nn(e.start),Nn(e.end);const i=t._removeChildren(e.start.index,e.end.index-e.start.index);return Dn(t,e.start.index),i}function Mn(e,t){if(!e.isFlat)throw new n.CKEditorError("operation-utils-move-range-not-flat",this);const i=Bn(e);return On(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),i)}function Ln(e){const t=[];!function e(i){if("string"==typeof i)t.push(new ei(i));else if(i instanceof ti)t.push(new ei(i.data,i.getAttributes()));else if(i instanceof Qt)t.push(i);else if((0,n.isIterable)(i))for(const t of i)e(t)}(e);for(let e=1;ee.maxOffset)throw new n.CKEditorError("move-operation-nodes-do-not-exist",this);if(e===t&&i=i&&this.targetPosition.path[e]e._clone(!0)))),t=new Wn(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new si(e,[0]);return new zn(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffsete._clone(!0)))),On(this.position,e)}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e.nodes=this.nodes.toJSON(),e}static get className(){return"InsertOperation"}static fromJSON(e,t){const i=[];for(const t of e.nodes)t.name?i.push(ii.fromJSON(t)):i.push(ei.fromJSON(t));const n=new Wn(si.fromJSON(e.position,t),i,e.baseVersion);return n.shouldReceiveAttributes=e.shouldReceiveAttributes,n}}class Hn extends Rn{constructor(e,t,i,n,o){super(o),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=i,this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const e=this.insertionPosition.path.slice();return e.push(0),new si(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new hi(this.splitPosition,e)}get affectedSelectable(){const e=[hi._createFromPositionAndShift(this.splitPosition,0),hi._createFromPositionAndShift(this.insertionPosition,0)];return this.graveyardPosition&&e.push(hi._createFromPositionAndShift(this.graveyardPosition,0)),e}clone(){return new Hn(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new si(e,[0]);return new Un(this.moveTargetPosition,this.howMany,this.splitPosition,t,this.baseVersion+1)}_validate(){const e=this.splitPosition.parent,t=this.splitPosition.offset;if(!e||e.maxOffset{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const n=e.range.getDifference(t.range).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,0))),o=e.range.getIntersection(t.range);return o&&i.aIsStrong&&n.push(new Zn(o,t.key,t.newValue,e.newValue,0)),0==n.length?[new qn(0)]:n}return[e]})),eo(Zn,Wn,((e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const i=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion)));if(t.shouldReceiveAttributes){const n=ao(t,e.key,e.oldValue);n&&i.unshift(n)}return i}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]})),eo(Zn,Un,((e,t)=>{const i=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&i.push(hi._createFromPositionAndShift(t.graveyardPosition,1));const n=e.range._getTransformedByMergeOperation(t);return n.isCollapsed||i.push(n),i.map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion)))})),eo(Zn,zn,((e,t)=>function(e,t){const i=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);let n=null,o=[];i.containsRange(e,!0)?n=e:e.start.hasSameParentAs(i.start)?(o=e.getDifference(i),n=e.getIntersection(i)):o=[e];const s=[];for(let e of o){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const i=t.getMovedRangeStart(),n=e.start.hasSameParentAs(i),o=e._getTransformedByInsertion(i,t.howMany,n);s.push(...o)}return n&&s.push(n._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]),s}(e.range,t).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion))))),eo(Zn,Hn,((e,t)=>{if(e.range.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.range.end.offset++,[e];if(e.range.start.hasSameParentAs(t.splitPosition)&&e.range.containsPosition(t.splitPosition)){const i=e.clone();return i.range=new hi(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,i]}return e.range=e.range._getTransformedBySplitOperation(t),[e]})),eo(Wn,Zn,((e,t)=>{const i=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const n=ao(e,t.key,t.newValue);n&&i.push(n)}return i})),eo(Wn,Wn,((e,t,i)=>(e.position.isEqual(t.position)&&i.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e]))),eo(Wn,zn,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),eo(Wn,Hn,((e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e]))),eo(Wn,Un,((e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e]))),eo(jn,Wn,((e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e]))),eo(jn,jn,((e,t,i)=>{if(e.name==t.name){if(!i.aIsStrong)return[new qn(0)];e.oldRange=t.newRange?t.newRange.clone():null}return[e]})),eo(jn,Un,((e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByMergeOperation(t)),e.newRange&&(e.newRange=e.newRange._getTransformedByMergeOperation(t)),[e]))),eo(jn,zn,((e,t,i)=>{if(e.oldRange&&(e.oldRange=hi._createFromRanges(e.oldRange._getTransformedByMoveOperation(t))),e.newRange){if(i.abRelation){const n=hi._createFromRanges(e.newRange._getTransformedByMoveOperation(t));if("left"==i.abRelation.side&&t.targetPosition.isEqual(e.newRange.start))return e.newRange.end=n.end,e.newRange.start.path=i.abRelation.path,[e];if("right"==i.abRelation.side&&t.targetPosition.isEqual(e.newRange.end))return e.newRange.start=n.start,e.newRange.end.path=i.abRelation.path,[e]}e.newRange=hi._createFromRanges(e.newRange._getTransformedByMoveOperation(t))}return[e]})),eo(jn,Hn,((e,t,i)=>{if(e.oldRange&&(e.oldRange=e.oldRange._getTransformedBySplitOperation(t)),e.newRange){if(i.abRelation){const n=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&i.abRelation.wasStartBeforeMergedElement?e.newRange.start=si._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!i.abRelation.wasInLeftElement&&(e.newRange.start=si._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&i.abRelation.wasInRightElement?e.newRange.end=si._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&i.abRelation.wasEndBeforeMergedElement?e.newRange.end=si._createAt(t.insertionPosition):e.newRange.end=n.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]})),eo(Un,Wn,((e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e]))),eo(Un,Un,((e,t,i)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(i.bWasUndone){const i=t.graveyardPosition.path.slice();return i.push(0),e.sourcePosition=new si(t.graveyardPosition.root,i),e.howMany=0,[e]}return[new qn(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!i.bWasUndone&&"splitAtSource"!=i.abRelation){const n="$graveyard"==e.targetPosition.root.rootName,o="$graveyard"==t.targetPosition.root.rootName;if(o&&!n||(!n||o)&&i.aIsStrong){const i=t.targetPosition._getTransformedByMergeOperation(t),n=e.targetPosition._getTransformedByMergeOperation(t);return[new zn(i,e.howMany,n,0)]}return[new qn(0)]}return e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMergeOperation(t),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),e.graveyardPosition.isEqual(t.graveyardPosition)&&i.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),eo(Un,zn,((e,t,i)=>{const n=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!i.bWasUndone&&!i.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.sourcePosition)?[new qn(0)]:(e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition.hasSameParentAs(t.sourcePosition)&&(e.howMany-=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMoveOperation(t),e.targetPosition=e.targetPosition._getTransformedByMoveOperation(t),e.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])})),eo(Un,Hn,((e,t,i)=>{if(t.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition,1),e.deletionPosition.isEqual(t.graveyardPosition)&&(e.howMany=t.howMany)),e.targetPosition.isEqual(t.splitPosition)){const n=0!=t.howMany,o=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(n||o||"mergeTargetNotMoved"==i.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==i.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==i.abRelation||e.sourcePosition.offset>0)return e.sourcePosition=t.moveTargetPosition.clone(),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}return e.sourcePosition.hasSameParentAs(t.splitPosition)&&(e.howMany=t.splitPosition.offset),e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]})),eo(zn,Wn,((e,t)=>{const i=hi._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=i.start,e.howMany=i.end.offset-i.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]})),eo(zn,zn,((e,t,i)=>{const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany),s=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,a=i.aIsStrong,l=!i.aIsStrong;if("insertBefore"==i.abRelation||"insertAfter"==i.baRelation?l=!0:"insertAfter"!=i.abRelation&&"insertBefore"!=i.baRelation||(l=!1),r=e.targetPosition.isEqual(t.targetPosition)&&l?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),lo(e,t)&&lo(t,e))return[t.getReversed()];if(o.containsPosition(t.targetPosition)&&o.containsRange(s,!0))return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),co([o],r);if(s.containsPosition(e.targetPosition)&&s.containsRange(o,!0))return o.start=o.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),o.end=o.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),co([o],r);const c=(0,n.compareArrays)(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),co([o],r);"remove"!=e.type||"remove"==t.type||i.aWasUndone||i.forceWeakRemove?"remove"==e.type||"remove"!=t.type||i.bWasUndone||i.forceWeakRemove||(a=!1):a=!0;const d=[],h=o.getDifference(s);for(const e of h){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const i="same"==(0,n.compareArrays)(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),o=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,i);d.push(...o)}const u=o.getIntersection(s);return null!==u&&a&&(u.start=u.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),u.end=u.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===d.length?d.push(u):1==d.length?s.start.isBefore(o.start)||s.start.isEqual(o.start)?d.unshift(u):d.push(u):d.splice(1,0,u)),0===d.length?[new qn(e.baseVersion)]:co(d,r)})),eo(zn,Hn,((e,t,i)=>{let n=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=i.abRelation||(n=e.targetPosition._getTransformedBySplitOperation(t));const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany);if(o.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=n,[e];if(o.start.hasSameParentAs(t.splitPosition)&&o.containsPosition(t.splitPosition)){let e=new hi(t.splitPosition,o.end);return e=e._getTransformedBySplitOperation(t),co([new hi(o.start,t.splitPosition),e],n)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==i.abRelation&&(n=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==i.abRelation&&(n=e.targetPosition);const s=[o._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const n=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);e.howMany>1&&n&&!i.aWasUndone&&s.push(hi._createFromPositionAndShift(t.insertionPosition,1))}return co(s,n)})),eo(zn,Un,((e,t,i)=>{const n=hi._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.sourcePosition))if("remove"!=e.type||i.forceWeakRemove){if(1==e.howMany)return i.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new qn(0)]}else if(!i.aWasUndone){const i=[];let n=t.graveyardPosition.clone(),o=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(i.push(new zn(e.sourcePosition,e.howMany-1,e.targetPosition,0)),n=n._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),o=o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const s=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),r=new zn(n,1,s,0),a=r.getMovedRangeStart().path.slice();a.push(0);const l=new si(r.targetPosition.root,a);o=o._getTransformedByMove(n,s,1);const c=new zn(o,t.howMany,l,0);return i.push(r),i.push(c),i}const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=o.start,e.howMany=o.end.offset-o.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]})),eo(Kn,Wn,((e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e]))),eo(Kn,Un,((e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e]))),eo(Kn,zn,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),eo(Kn,Kn,((e,t,i)=>{if(e.position.isEqual(t.position)){if(!i.aIsStrong)return[new qn(0)];e.oldName=t.newName}return[e]})),eo(Kn,Hn,((e,t)=>{const i=e.position.path,o=t.splitPosition.getParentPath();if("same"==(0,n.compareArrays)(i,o)&&!t.graveyardPosition){const t=new Kn(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]})),eo(Gn,Gn,((e,t,i)=>{if(e.root===t.root&&e.key===t.key){if(!i.aIsStrong||e.newValue===t.newValue)return[new qn(0)];e.oldValue=t.newValue}return[e]})),eo(Jn,Jn,((e,t)=>e.rootName===t.rootName&&e.isAdd===t.isAdd?[new qn(0)]:[e])),eo(Hn,Wn,((e,t)=>(e.splitPosition.hasSameParentAs(t.position)&&e.splitPosition.offset{if(!e.graveyardPosition&&!i.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const i=t.graveyardPosition.path.slice();i.push(0);const n=new si(t.graveyardPosition.root,i),o=Hn.getInsertionPosition(new si(t.graveyardPosition.root,i)),s=new Hn(n,0,o,null,0);return e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),e.graveyardPosition=s.insertionPosition.clone(),e.graveyardPosition.stickiness="toNext",[s,e]}return e.splitPosition.hasSameParentAs(t.deletionPosition)&&!e.splitPosition.isAfter(t.deletionPosition)&&e.howMany--,e.splitPosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),eo(Hn,zn,((e,t,i)=>{const n=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const o=n.start.isEqual(e.graveyardPosition)||n.containsPosition(e.graveyardPosition);if(!i.bWasUndone&&o){const i=e.splitPosition._getTransformedByMoveOperation(t),n=e.graveyardPosition._getTransformedByMoveOperation(t),o=n.path.slice();o.push(0);const s=new si(n.root,o);return[new zn(i,e.howMany,s,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}const o=e.splitPosition.isEqual(t.targetPosition);if(o&&("insertAtSource"==i.baRelation||"splitBefore"==i.abRelation))return e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),[e];if(o&&i.abRelation&&i.abRelation.howMany){const{howMany:t,offset:n}=i.abRelation;return e.howMany+=t,e.splitPosition=e.splitPosition.getShiftedBy(n),[e]}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.splitPosition)){const i=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=i,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new qn(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new qn(0)];if("splitBefore"==i.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const n="$graveyard"==e.splitPosition.root.rootName,o="$graveyard"==t.splitPosition.root.rootName;if(o&&!n||(!n||o)&&i.aIsStrong){const i=[];return t.howMany&&i.push(new zn(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&i.push(new zn(e.splitPosition,e.howMany,e.moveTargetPosition,0)),i}return[new qn(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==i.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==i.baRelation){const i=t.insertionPosition.path.slice();i.push(0);const n=new si(t.insertionPosition.root,i);return[e,new zn(e.insertionPosition,1,n,0)]}return e.splitPosition.hasSameParentAs(t.splitPosition)&&e.splitPosition.offset{const i=t[0];i.isDocumentOperation&&mo.call(this,i)}),{priority:"low"})}function mo(e){const t=this.getTransformedByOperation(e);if(!this.isEqual(t)){const e=this.toPosition();this.path=t.path,this.root=t.root,this.fire("change",e)}}ho.prototype.is=function(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e};class go{constructor(e={}){"string"==typeof e&&(e="transparent"===e?{isUndoable:!1}:{},(0,n.logWarning)("batch-constructor-deprecated-string-type"));const{isUndoable:t=!0,isLocal:i=!0,isUndo:o=!1,isTyping:s=!1}=e;this.operations=[],this.isUndoable=t,this.isLocal=i,this.isUndo=o,this.isTyping=s}get type(){return(0,n.logWarning)("batch-type-deprecated"),"default"}get baseVersion(){for(const e of this.operations)if(null!==e.baseVersion)return e.baseVersion;return null}addOperation(e){return e.batch=this,this.operations.push(e),e}}class fo{constructor(e){this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changedRoots=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null,this._refreshedItems=new Set,this._markerCollection=e}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size&&0==this._changedRoots.size}bufferOperation(e){const t=e;switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),i=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),i||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=hi._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getData();this.bufferMarkerChange(t.name,e,e)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const i=t.graveyardPosition.parent;this._markInsert(i,t.graveyardPosition.offset,1);const n=t.targetPosition.parent;this._isInInsertedElement(n)||this._markInsert(n,t.targetPosition.offset,e.maxOffset);break}case"detachRoot":case"addRoot":{const e=t.affectedSelectable;if(!e._isLoaded)return;if(e.isAttached()==t.isAdd)return;this._bufferRootStateChange(t.rootName,t.isAdd);break}case"addRootAttribute":case"removeRootAttribute":case"changeRootAttribute":{if(!t.root._isLoaded)return;const e=t.root.rootName;this._bufferRootAttributeChange(e,t.key,t.oldValue,t.newValue);break}}this._cachedChanges=null}bufferMarkerChange(e,t,i){t.range&&t.range.root.is("rootElement")&&!t.range.root._isLoaded&&(t.range=null),i.range&&i.range.root.is("rootElement")&&!i.range.root._isLoaded&&(i.range=null);let n=this._changedMarkers.get(e);n?n.newMarkerData=i:(n={newMarkerData:i,oldMarkerData:t},this._changedMarkers.set(e,n)),null==n.oldMarkerData.range&&null==i.range&&this._changedMarkers.delete(e)}getMarkersToRemove(){const e=[];for(const[t,i]of this._changedMarkers)null!=i.oldMarkerData.range&&e.push({name:t,range:i.oldMarkerData.range});return e}getMarkersToAdd(){const e=[];for(const[t,i]of this._changedMarkers)null!=i.newMarkerData.range&&e.push({name:t,range:i.newMarkerData.range});return e}getChangedMarkers(){return Array.from(this._changedMarkers).map((([e,t])=>({name:e,data:{oldRange:t.oldMarkerData.range,newRange:t.newMarkerData.range}})))}hasDataChanges(){if(this._changesInElement.size>0)return!0;if(this._changedRoots.size>0)return!0;for(const{newMarkerData:e,oldMarkerData:t}of this._changedMarkers.values()){if(e.affectsData!==t.affectsData)return!0;if(e.affectsData){const i=e.range&&!t.range,n=!e.range&&t.range,o=e.range&&t.range&&!e.range.isEqual(t.range);if(i||n||o)return!0}}return!1}getChanges(e={}){if(this._cachedChanges)return e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();let t=[];for(const e of this._changesInElement.keys()){const i=this._changesInElement.get(e).sort(((e,t)=>e.offset===t.offset?e.type!=t.type?"remove"==e.type?-1:1:0:e.offsete.position.root!=t.position.root?e.position.root.rootNamee));for(const e of t)delete e.changeCount,"attribute"==e.type&&(delete e.position,delete e.length);return this._changeCount=0,this._cachedChangesWithGraveyard=t,this._cachedChanges=t.filter(wo),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice()}getChangedRoots(){return Array.from(this._changedRoots.values()).map((e=>{const t={...e};return void 0!==t.state&&delete t.attributes,t}))}getRefreshedItems(){return new Set(this._refreshedItems)}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._changedRoots.clear(),this._refreshedItems=new Set,this._cachedChanges=null}_bufferRootStateChange(e,t){if(!this._changedRoots.has(e))return void this._changedRoots.set(e,{name:e,state:t?"attached":"detached"});const i=this._changedRoots.get(e);void 0!==i.state?(delete i.state,void 0===i.attributes&&this._changedRoots.delete(e)):i.state=t?"attached":"detached"}_bufferRootAttributeChange(e,t,i,n){const o=this._changedRoots.get(e)||{name:e},s=o.attributes||{};if(s[t]){const e=s[t];n===e.oldValue?delete s[t]:e.newValue=n}else s[t]={oldValue:i,newValue:n};0===Object.entries(s).length?(delete o.attributes,void 0===o.state&&this._changedRoots.delete(e)):(o.attributes=s,this._changedRoots.set(e,o))}_refreshItem(e){if(this._isInInsertedElement(e.parent))return;this._markRemove(e.parent,e.startOffset,e.offsetSize),this._markInsert(e.parent,e.startOffset,e.offsetSize),this._refreshedItems.add(e);const t=hi._createOn(e);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getData();this.bufferMarkerChange(e.name,t,t)}this._cachedChanges=null}_bufferRootLoad(e){if(e.isAttached()){this._bufferRootStateChange(e.rootName,!0),this._markInsert(e,0,e.maxOffset);for(const t of e.getAttributeKeys())this._bufferRootAttributeChange(e.rootName,t,null,e.getAttribute(t));for(const t of this._markerCollection)if(t.getRange().root==e){const e=t.getData();this.bufferMarkerChange(t.name,{...e,range:null},e)}}}_markInsert(e,t,i){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const n={type:"insert",offset:t,howMany:i,count:this._changeCount++};this._markChange(e,n)}_markRemove(e,t,i){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const n={type:"remove",offset:t,howMany:i,count:this._changeCount++};this._markChange(e,n),this._removeAllNestedChanges(e,t,i)}_markAttribute(e){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const t={type:"attribute",offset:e.startOffset,howMany:e.offsetSize,count:this._changeCount++};this._markChange(e.parent,t)}_markChange(e,t){this._makeSnapshot(e);const i=this._getChangesForElement(e);this._handleChange(t,i),i.push(t);for(let e=0;ei.offset){if(n>o){const e={type:"attribute",offset:o,howMany:n-o,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=i.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=i.offset&&e.offseto?(e.nodesToHandle=n-o,e.offset=o):e.nodesToHandle=0);if("remove"==i.type&&e.offseti.offset){const o={type:"attribute",offset:i.offset,howMany:n-i.offset,count:this._changeCount++};this._handleChange(o,t),t.push(o),e.nodesToHandle=i.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==i.type&&(e.offset>=i.offset&&n<=o?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=i.offset&&n>=o&&(i.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,i){return{type:"insert",position:si._createAt(e,t),name:i.name,attributes:new Map(i.attributes),length:1,changeCount:this._changeCount++,_element:i.element}}_getRemoveDiff(e,t,i){return{type:"remove",position:si._createAt(e,t),name:i.name,attributes:new Map(i.attributes),length:1,changeCount:this._changeCount++,_element:i.element}}_getAttributesDiff(e,t,i){const n=[];i=new Map(i);for(const[o,s]of t){const t=i.has(o)?i.get(o):null;t!==s&&n.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:o,attributeOldValue:s,attributeNewValue:t,changeCount:this._changeCount++}),i.delete(o)}for(const[t,o]of i)n.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return n}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const i=this._changesInElement.get(t),n=e.startOffset;if(i)for(const e of i)if("insert"==e.type&&n>=e.offset&&nn){for(let t=0;tthis._version+1&&this._gaps.set(this._version,e),this._version=e}get lastOperation(){return this._operations[this._operations.length-1]}addOperation(e){if(e.baseVersion!==this.version)throw new n.CKEditorError("model-document-history-addoperation-incorrect-version",this,{operation:e,historyVersion:this.version});this._operations.push(e),this._version++,this._baseVersionToOperationIndex.set(e.baseVersion,this._operations.length-1)}getOperations(e,t=this.version){if(!this._operations.length)return[];const i=this._operations[0];void 0===e&&(e=i.baseVersion);let n=t-1;for(const[t,i]of this._gaps)e>t&&et&&nthis.lastOperation.baseVersion)return[];let o=this._baseVersionToOperationIndex.get(e);void 0===o&&(o=0);let s=this._baseVersionToOperationIndex.get(n);return void 0===s&&(s=this._operations.length-1),this._operations.slice(o,s+1)}getOperation(e){const t=this._baseVersionToOperationIndex.get(e);if(void 0!==t)return this._operations[t]}setOperationAsUndone(e,t){this._undoPairs.set(t,e),this._undoneOperations.add(e)}isUndoingOperation(e){return this._undoPairs.has(e)}isUndoneOperation(e){return this._undoneOperations.has(e)}getUndoneOperation(e){return this._undoPairs.get(e)}reset(){this._version=0,this._undoPairs=new Map,this._operations=[],this._undoneOperations=new Set,this._gaps=new Map,this._baseVersionToOperationIndex=new Map}}class _o extends ii{constructor(e,t,i="main"){super(t),this._isAttached=!0,this._isLoaded=!0,this._document=e,this.rootName=i}get document(){return this._document}isAttached(){return this._isAttached}toJSON(){return this.rootName}}_o.prototype.is=function(e,t){return t?t===this.name&&("rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e):"rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e||"node"===e||"model:node"===e};const yo="$graveyard";class ko extends((0,n.EmitterMixin)()){constructor(e){super(),this.model=e,this.history=new vo,this.selection=new Pi(this),this.roots=new n.Collection({idProperty:"rootName"}),this.differ=new fo(e.markers),this.isReadOnly=!1,this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",yo),this.listenTo(e,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&this.differ.bufferOperation(i)}),{priority:"high"}),this.listenTo(e,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&this.history.addOperation(i)}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(e.markers,"update",((e,t,i,n,o)=>{const s={...t.getData(),range:n};this.differ.bufferMarkerChange(t.name,o,s),null===i&&t.on("change",((e,i)=>{const n=t.getData();this.differ.bufferMarkerChange(t.name,{...n,range:i},n)}))})),this.registerPostFixer((e=>{let t=!1;for(const i of this.roots)i.isAttached()||i.isEmpty||(e.remove(e.createRangeIn(i)),t=!0);for(const i of this.model.markers)i.getRange().root.isAttached()||(e.removeMarker(i),t=!0);return t}))}get version(){return this.history.version}set version(e){this.history.version=e}get graveyard(){return this.getRoot(yo)}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new n.CKEditorError("model-document-createroot-name-exists",this,{name:t});const i=new _o(this,e,t);return this.roots.add(i),i}destroy(){this.selection.destroy(),this.stopListening()}getRoot(e="main"){return this.roots.get(e)}getRootNames(e=!1){return this.getRoots(e).map((e=>e.rootName))}getRoots(e=!1){return this.roots.filter((t=>t!=this.graveyard&&(e||t.isAttached())&&t._isLoaded))}registerPostFixer(e){this._postFixers.add(e)}toJSON(){const e=p(this);return e.selection="[engine.model.DocumentSelection]",e.model="[engine.model.Model]",e}_handleChangeBlock(e){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(e),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",e.batch):this.fire("change",e.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){const e=this.getRoots();return e.length?e[0]:this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=this.model,i=t.schema,n=t.createPositionFromPath(e,[0]);return i.getNearestSelectionRange(n)||t.createRange(n)}_validateSelectionRange(e){return Co(e.start)&&Co(e.end)}_callPostFixers(e){let t=!1;do{for(const i of this._postFixers)if(this.selection.refresh(),t=i(e),t)break}while(t)}}function Co(e){const t=e.textNode;if(t){const i=t.data,o=e.offset-t.startOffset;return!(0,n.isInsideSurrogatePair)(i,o)&&!(0,n.isInsideCombinedSymbol)(i,o)}return!0}class Ao extends((0,n.EmitterMixin)()){constructor(){super(...arguments),this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){const t=e instanceof Eo?e.name:e;return this._markers.has(t)}get(e){return this._markers.get(e)||null}_set(e,t,i=!1,o=!1){const s=e instanceof Eo?e.name:e;if(s.includes(","))throw new n.CKEditorError("markercollection-incorrect-marker-name",this);const r=this._markers.get(s);if(r){const e=r.getData(),n=r.getRange();let a=!1;return n.isEqual(t)||(r._attachLiveRange(Ei.fromRange(t)),a=!0),i!=r.managedUsingOperations&&(r._managedUsingOperations=i,a=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,a=!0),a&&this.fire(`update:${s}`,r,n,t,e),r}const a=Ei.fromRange(t),l=new Eo(s,a,i,o);return this._markers.set(s,l),this.fire(`update:${s}`,l,null,t,{...l.getData(),range:null}),l}_remove(e){const t=e instanceof Eo?e.name:e,i=this._markers.get(t);return!!i&&(this._markers.delete(t),this.fire(`update:${t}`,i,i.getRange(),null,i.getData()),this._destroyMarker(i),!0)}_refresh(e){const t=e instanceof Eo?e.name:e,i=this._markers.get(t);if(!i)throw new n.CKEditorError("markercollection-refresh-marker-not-exists",this);const o=i.getRange();this.fire(`update:${t}`,i,o,o,i.getData())}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}*getMarkersIntersectingRange(e){for(const t of this)null!==t.getRange().getIntersection(e)&&(yield t)}destroy(){for(const e of this._markers.values())this._destroyMarker(e);this._markers=null,this.stopListening()}*getMarkersGroup(e){for(const t of this._markers.values())t.name.startsWith(e+":")&&(yield t)}_destroyMarker(e){e.stopListening(),e._detachLiveRange()}}class Eo extends((0,n.EmitterMixin)(Yt)){constructor(e,t,i,n){super(),this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=i,this._affectsData=n}get managedUsingOperations(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._affectsData}getData(){return{range:this.getRange(),affectsData:this.affectsData,managedUsingOperations:this.managedUsingOperations}}getStart(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.toRange()}_attachLiveRange(e){return this._liveRange&&this._detachLiveRange(),e.delegate("change:range").to(this),e.delegate("change:content").to(this),this._liveRange=e,e}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Eo.prototype.is=function(e){return"marker"===e||"model:marker"===e};class xo extends Rn{constructor(e,t){super(null),this.sourcePosition=e.clone(),this.howMany=t}get type(){return"detach"}get affectedSelectable(){return null}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e}_validate(){if(this.sourcePosition.root.document)throw new n.CKEditorError("detach-operation-on-document-node",this)}_execute(){Bn(hi._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class To extends Yt{constructor(e){super(),this.markers=new Map,this._children=new Xt,e&&this._insertChild(0,e)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get nextSibling(){return null}get previousSibling(){return null}get root(){return this}get parent(){return null}get document(){return null}isAttached(){return!1}getAncestors(){return[]}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const i of e)t=t.getChild(t.offsetToIndex(i));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const i of e)i.name?t.push(ii.fromJSON(i)):t.push(ei.fromJSON(i));return new To(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const i=function(e){return"string"==typeof e?[new ei(e)]:((0,n.isIterable)(e)||(e=[e]),Array.from(e).map((e=>"string"==typeof e?new ei(e):e instanceof ti?new ei(e.data,e.getAttributes()):e)))}(t);for(const e of i)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,i)}_removeChildren(e,t=1){const i=this._children._removeNodes(e,t);for(const e of i)e.parent=null;return i}}To.prototype.is=function(e){return"documentFragment"===e||"model:documentFragment"===e};class So{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new ei(e,t)}createElement(e,t){return new ii(e,t)}createDocumentFragment(){return new To}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,i=0){if(this._assertWriterUsedCorrectly(),e instanceof ei&&""==e.data)return;const o=si._createAt(t,i);if(e.parent){if(Oo(e.root,o.root))return void this.move(hi._createOn(e),o);if(e.root.document)throw new n.CKEditorError("model-writer-insert-forbidden-move",this);this.remove(e)}const s=o.root.document?o.root.document.version:null,r=new Wn(o,e,s);if(e instanceof ei&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof To)for(const[t,i]of e.markers){const e=si._createAt(i.root,0),n={range:new hi(i.start._getCombined(e,o),i.end._getCombined(e,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,n):this.addMarker(t,n)}}insertText(e,t,i,n){t instanceof To||t instanceof ii||t instanceof si?this.insert(this.createText(e),t,i):this.insert(this.createText(e,t),i,n)}insertElement(e,t,i,n){t instanceof To||t instanceof ii||t instanceof si?this.insert(this.createElement(e),t,i):this.insert(this.createElement(e,t),i,n)}append(e,t){this.insert(e,t,"end")}appendText(e,t,i){t instanceof To||t instanceof ii?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),i,"end")}appendElement(e,t,i){t instanceof To||t instanceof ii?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),i,"end")}setAttribute(e,t,i){if(this._assertWriterUsedCorrectly(),i instanceof hi){const n=i.getMinimalFlatRanges();for(const i of n)Po(this,e,t,i)}else Io(this,e,t,i)}setAttributes(e,t){for(const[i,o]of(0,n.toMap)(e))this.setAttribute(i,o,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof hi){const i=t.getMinimalFlatRanges();for(const t of i)Po(this,e,null,t)}else Io(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof hi)for(const i of e.getItems())t(i);else t(e)}move(e,t,i){if(this._assertWriterUsedCorrectly(),!(e instanceof hi))throw new n.CKEditorError("writer-move-invalid-range",this);if(!e.isFlat)throw new n.CKEditorError("writer-move-range-not-flat",this);const o=si._createAt(t,i);if(o.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!Oo(e.root,o.root))throw new n.CKEditorError("writer-move-different-document",this);const s=e.root.document?e.root.document.version:null,r=new zn(e.start,e.end.offset-e.start.offset,o,s);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof hi?e:hi._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),Ro(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,i=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof ii))throw new n.CKEditorError("writer-merge-no-element-before",this);if(!(i instanceof ii))throw new n.CKEditorError("writer-merge-no-element-after",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,i){return this.model.createPositionFromPath(e,t,i)}createPositionAt(e,t){return this.model.createPositionAt(e,t)}createPositionAfter(e){return this.model.createPositionAfter(e)}createPositionBefore(e){return this.model.createPositionBefore(e)}createRange(e,t){return this.model.createRange(e,t)}createRangeIn(e){return this.model.createRangeIn(e)}createRangeOn(e){return this.model.createRangeOn(e)}createSelection(...e){return this.model.createSelection(...e)}_mergeDetached(e){const t=e.nodeBefore,i=e.nodeAfter;this.move(hi._createIn(i),si._createAt(t,"end")),this.remove(i)}_merge(e){const t=si._createAt(e.nodeBefore,"end"),i=si._createAt(e.nodeAfter,0),n=e.root.document.graveyard,o=new si(n,[0]),s=e.root.document.version,r=new Un(i,e.nodeAfter.maxOffset,t,o,s);this.batch.addOperation(r),this.model.applyOperation(r)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof ii))throw new n.CKEditorError("writer-rename-not-element-instance",this);const i=e.root.document?e.root.document.version:null,o=new Kn(si._createBefore(e),e.name,t,i);this.batch.addOperation(o),this.model.applyOperation(o)}split(e,t){this._assertWriterUsedCorrectly();let i,o,s=e.parent;if(!s.parent)throw new n.CKEditorError("writer-split-element-no-parent",this);if(t||(t=s.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new n.CKEditorError("writer-split-invalid-limit-element",this);do{const t=s.root.document?s.root.document.version:null,n=s.maxOffset-e.offset,r=Hn.getInsertionPosition(e),a=new Hn(e,n,r,null,t);this.batch.addOperation(a),this.model.applyOperation(a),i||o||(i=s,o=e.parent.nextSibling),s=(e=this.createPositionAfter(e.parent)).parent}while(s!==t);return{position:e,range:new hi(si._createAt(i,"end"),si._createAt(o,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new n.CKEditorError("writer-wrap-range-not-flat",this);const i=t instanceof ii?t:new ii(t);if(i.childCount>0)throw new n.CKEditorError("writer-wrap-element-not-empty",this);if(null!==i.parent)throw new n.CKEditorError("writer-wrap-element-attached",this);this.insert(i,e.start);const o=new hi(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(o,si._createAt(i,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new n.CKEditorError("writer-unwrap-element-no-parent",this);this.move(hi._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new n.CKEditorError("writer-addmarker-no-usingoperation",this);const i=t.usingOperation,o=t.range,s=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new n.CKEditorError("writer-addmarker-marker-exists",this);if(!o)throw new n.CKEditorError("writer-addmarker-no-range",this);return i?(Vo(this,e,null,o,s),this.model.markers.get(e)):this.model.markers._set(e,o,i,s)}updateMarker(e,t){this._assertWriterUsedCorrectly();const i="string"==typeof e?e:e.name,o=this.model.markers.get(i);if(!o)throw new n.CKEditorError("writer-updatemarker-marker-not-exists",this);if(!t)return(0,n.logWarning)("writer-updatemarker-reconvert-using-editingcontroller",{markerName:i}),void this.model.markers._refresh(o);const s="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,a=r?t.affectsData:o.affectsData;if(!s&&!t.range&&!r)throw new n.CKEditorError("writer-updatemarker-wrong-options",this);const l=o.getRange(),c=t.range?t.range:l;s&&t.usingOperation!==o.managedUsingOperations?t.usingOperation?Vo(this,i,null,c,a):(Vo(this,i,l,null,a),this.model.markers._set(i,c,void 0,a)):o.managedUsingOperations?Vo(this,i,l,c,a):this.model.markers._set(i,c,void 0,a)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new n.CKEditorError("writer-removemarker-no-marker",this);const i=this.model.markers.get(t);i.managedUsingOperations?Vo(this,t,i.getRange(),null,i.affectsData):this.model.markers._remove(t)}addRoot(e,t="$root"){this._assertWriterUsedCorrectly();const i=this.model.document.getRoot(e);if(i&&i.isAttached())throw new n.CKEditorError("writer-addroot-root-exists",this);const o=this.model.document,s=new Jn(e,t,!0,o,o.version);return this.batch.addOperation(s),this.model.applyOperation(s),this.model.document.getRoot(e)}detachRoot(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?this.model.document.getRoot(e):e;if(!t||!t.isAttached())throw new n.CKEditorError("writer-detachroot-no-root",this);for(const e of this.model.markers)e.getRange().root===t&&this.removeMarker(e);for(const e of t.getAttributeKeys())this.removeAttribute(e,t);this.remove(this.createRangeIn(t));const i=this.model.document,o=new Jn(t.rootName,t.name,!1,i,i.version);this.batch.addOperation(o),this.model.applyOperation(o)}setSelection(...e){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(...e)}setSelectionFocus(e,t){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(e,t)}setSelectionAttribute(e,t){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._setSelectionAttribute(e,t);else for(const[t,i]of(0,n.toMap)(e))this._setSelectionAttribute(t,i)}removeSelectionAttribute(e){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._removeSelectionAttribute(e);else for(const t of e)this._removeSelectionAttribute(t)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(e){this.model.document.selection._restoreGravity(e)}_setSelectionAttribute(e,t){const i=this.model.document.selection;if(i.isCollapsed&&i.anchor.parent.isEmpty){const n=Pi._getStoreAttributeKey(e);this.setAttribute(n,t,i.anchor.parent)}i._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const i=Pi._getStoreAttributeKey(e);this.removeAttribute(i,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new n.CKEditorError("writer-incorrect-use",this)}_addOperationForAffectedMarkers(e,t){for(const i of this.model.markers){if(!i.managedUsingOperations)continue;const n=i.getRange();let o=!1;if("move"===e){const e=t;o=e.containsPosition(n.start)||e.start.isEqual(n.start)||e.containsPosition(n.end)||e.end.isEqual(n.end)}else{const e=t,i=e.nodeBefore,s=e.nodeAfter,r=n.start.parent==i&&n.start.isAtEnd,a=n.end.parent==s&&0==n.end.offset,l=n.end.nodeAfter==s,c=n.start.nodeAfter==s;o=r||a||l||c}o&&this.updateMarker(i.name,{range:n})}}}function Po(e,t,i,n){const o=e.model,s=o.document;let r,a,l,c=n.start;for(const e of n.getWalker({shallow:!0}))l=e.item.getAttribute(t),r&&a!=l&&(a!=i&&d(),c=r),r=e.nextPosition,a=l;function d(){const n=new hi(c,r),l=n.root.document?s.version:null,d=new Zn(n,t,a,i,l);e.batch.addOperation(d),o.applyOperation(d)}r instanceof si&&r!=c&&a!=i&&d()}function Io(e,t,i,n){const o=e.model,s=o.document,r=n.getAttribute(t);let a,l;if(r!=i){if(n.root===n){const e=n.document?s.version:null;l=new Gn(n,t,r,i,e)}else{a=new hi(si._createBefore(n),e.createPositionAfter(n));const o=a.root.document?s.version:null;l=new Zn(a,t,r,i,o)}e.batch.addOperation(l),o.applyOperation(l)}}function Vo(e,t,i,n,o){const s=e.model,r=s.document,a=new jn(t,i,n,s.markers,!!o,r.version);e.batch.addOperation(a),s.applyOperation(a)}function Ro(e,t,i,n){let o;if(e.root.document){const i=n.document,s=new si(i.graveyard,[0]);o=new zn(e,t,s,i.version)}else o=new xo(e,t);i.addOperation(o),n.applyOperation(o)}function Oo(e,t){return e===t||e instanceof _o&&t instanceof _o}function Bo(e,t,i={}){if(t.isCollapsed)return;const n=t.getFirstRange();if("$graveyard"==n.root.rootName)return;const o=e.schema;e.change((e=>{if(!i.doNotResetEntireContent&&function(e,t){const i=e.getLimitElement(t);if(!t.containsEntireContent(i))return!1;const n=t.getFirstRange();return n.start.parent!=n.end.parent&&e.checkChild(i,"paragraph")}(o,t))return void function(e,t){const i=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(i)),No(e,e.createPositionAt(i,0),t)}(e,t);const s={};if(!i.doNotAutoparagraph){const e=t.getSelectedElement();e&&Object.assign(s,o.getAttributesWithProperty(e,"copyOnReplace",!0))}const[r,a]=function(e){const t=e.root.document.model,i=e.start;let n=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const i=function(e){const t=e.parent,i=t.root.document.model.schema,n=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of n){if(i.isLimit(e))return null;if(i.isBlock(e))return e}}(n);if(i&&n.isTouching(t.createPositionAt(i,0))){const i=t.createSelection(e);t.modifySelection(i,{direction:"backward"});const o=i.getLastPosition(),s=t.createRange(o,n);t.hasContent(s,{ignoreMarkers:!0})||(n=o)}}return[ho.fromPosition(i,"toPrevious"),ho.fromPosition(n,"toNext")]}(n);r.isTouching(a)||e.remove(e.createRange(r,a)),i.leaveUnmerged||(function(e,t,i){const n=e.model;if(!Do(e.model.schema,t,i))return;const[o,s]=function(e,t){const i=e.getAncestors(),n=t.getAncestors();let o=0;for(;i[o]&&i[o]==n[o];)o++;return[i[o],n[o]]}(t,i);o&&s&&(!n.hasContent(o,{ignoreMarkers:!0})&&n.hasContent(s,{ignoreMarkers:!0})?Lo(e,t,i,o.parent):Mo(e,t,i,o.parent))}(e,r,a),o.removeDisallowedAttributes(r.parent.getChildren(),e)),Fo(e,t,r),!i.doNotAutoparagraph&&function(e,t){const i=e.checkChild(t,"$text"),n=e.checkChild(t,"paragraph");return!i&&n}(o,r)&&No(e,r,t,s),r.detach(),a.detach()}))}function Mo(e,t,i,n){const o=t.parent,s=i.parent;if(o!=n&&s!=n){for(t=e.createPositionAfter(o),(i=e.createPositionBefore(s)).isEqual(t)||e.insert(s,t),e.merge(t);i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}Do(e.model.schema,t,i)&&Mo(e,t,i,n)}}function Lo(e,t,i,n){const o=t.parent,s=i.parent;if(o!=n&&s!=n){for(t=e.createPositionAfter(o),(i=e.createPositionBefore(s)).isEqual(t)||e.insert(o,i);t.parent.isEmpty;){const i=t.parent;t=e.createPositionBefore(i),e.remove(i)}i=e.createPositionBefore(s),function(e,t){const i=t.nodeBefore,n=t.nodeAfter;i.name!=n.name&&e.rename(i,n.name),e.clearAttributes(i),e.setAttributes(Object.fromEntries(n.getAttributes()),i),e.merge(t)}(e,i),Do(e.model.schema,t,i)&&Lo(e,t,i,n)}}function Do(e,t,i){const n=t.parent,o=i.parent;return n!=o&&!e.isLimit(n)&&!e.isLimit(o)&&function(e,t,i){const n=new hi(e,t);for(const e of n.getWalker())if(i.isLimit(e.item))return!1;return!0}(t,i,e)}function No(e,t,i,n={}){const o=e.createElement("paragraph");e.model.schema.setAllowedAttributes(o,n,e),e.insert(o,t),Fo(e,i,e.createPositionAt(o,0))}function Fo(e,t,i){t instanceof Pi?e.setSelection(i):t.setTo(i)}function zo(e,t){const i=[];Array.from(e.getItems({direction:"backward"})).map((e=>t.createRangeOn(e))).filter((t=>(t.start.isAfter(e.start)||t.start.isEqual(e.start))&&(t.end.isBefore(e.end)||t.end.isEqual(e.end)))).forEach((e=>{i.push(e.start.parent),t.remove(e)})),i.forEach((e=>{let i=e;for(;i.parent&&i.isEmpty;){const e=t.createRangeOn(i);i=i.parent,t.remove(e)}}))}class Wo{constructor(e,t,i){this._firstNode=null,this._lastNode=null,this._lastAutoParagraph=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null,this._nodeToSelect=null,this.model=e,this.writer=t,this.position=i,this.canMergeWith=new Set([this.position.parent]),this.schema=e.schema,this._documentFragment=t.createDocumentFragment(),this._documentFragmentPosition=t.createPositionAt(this._documentFragment,0)}handleNodes(e){for(const t of Array.from(e))this._handleNode(t);this._insertPartialFragment(),this._lastAutoParagraph&&this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}_updateLastNodeFromAutoParagraph(e){const t=this.writer.createPositionAfter(this._lastNode),i=this.writer.createPositionAfter(e);if(i.isAfter(t)){if(this._lastNode=e,this.position.parent!=e||!this.position.isAtEnd)throw new n.CKEditorError("insertcontent-invalid-insertion-position",this);this.position=i,this._setAffectedBoundaries(this.position)}}getSelectionRange(){return this._nodeToSelect?hi._createOn(this._nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new hi(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(e){if(this.schema.isObject(e))return void this._handleObject(e);let t=this._checkAndAutoParagraphToAllowedPosition(e);t||(t=this._checkAndSplitToAllowedPosition(e),t)?(this._appendToFragment(e),this._firstNode||(this._firstNode=e),this._lastNode=e):this._handleDisallowedNode(e)}_insertPartialFragment(){if(this._documentFragment.isEmpty)return;const e=ho.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=e.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=e.toPosition(),e.detach()}_handleObject(e){this._checkAndSplitToAllowedPosition(e)?this._appendToFragment(e):this._tryAutoparagraphing(e)}_handleDisallowedNode(e){e.is("element")?this.handleNodes(e.getChildren()):this._tryAutoparagraphing(e)}_appendToFragment(e){if(!this.schema.checkChild(this.position,e))throw new n.CKEditorError("insertcontent-wrong-position",this,{node:e,position:this.position});this.writer.insert(e,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(e.offsetSize),this.schema.isObject(e)&&!this.schema.checkChild(this.position,"$text")?this._nodeToSelect=e:this._nodeToSelect=null,this._filterAttributesOf.push(e)}_setAffectedBoundaries(e){this._affectedStart||(this._affectedStart=ho.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=ho.fromPosition(e,"toNext"))}_mergeOnLeft(){const e=this._firstNode;if(!(e instanceof ii))return;if(!this._canMergeLeft(e))return;const t=ho._createBefore(e);t.stickiness="toNext";const i=ho.fromPosition(this.position,"toNext");this._affectedStart.isEqual(t)&&(this._affectedStart.detach(),this._affectedStart=ho._createAt(t.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=ho._createAt(t.nodeBefore,"end","toNext")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_mergeOnRight(){const e=this._lastNode;if(!(e instanceof ii))return;if(!this._canMergeRight(e))return;const t=ho._createAfter(e);if(t.stickiness="toNext",!this.position.isEqual(t))throw new n.CKEditorError("insertcontent-invalid-insertion-position",this);this.position=si._createAt(t.nodeBefore,"end");const i=ho.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(t)&&(this._affectedEnd.detach(),this._affectedEnd=ho._createAt(t.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=ho._createAt(t.nodeBefore,0,"toPrevious")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_canMergeLeft(e){const t=e.previousSibling;return t instanceof ii&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(t,e)}_canMergeRight(e){const t=e.nextSibling;return t instanceof ii&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(e,t)}_tryAutoparagraphing(e){const t=this.writer.createElement("paragraph");this._getAllowedIn(this.position.parent,t)&&this.schema.checkChild(t,e)&&(t._appendChild(e),this._handleNode(t))}_checkAndAutoParagraphToAllowedPosition(e){if(this.schema.checkChild(this.position.parent,e))return!0;if(!this.schema.checkChild(this.position.parent,"paragraph")||!this.schema.checkChild("paragraph",e))return!1;this._insertPartialFragment();const t=this.writer.createElement("paragraph");return this.writer.insert(t,this.position),this._setAffectedBoundaries(this.position),this._lastAutoParagraph=t,this.position=this.writer.createPositionAt(t,0),!0}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(this.position.parent,e);if(!t)return!1;for(t!=this.position.parent&&this._insertPartialFragment();t!=this.position.parent;)if(this.position.isAtStart){const e=this.position.parent;this.position=this.writer.createPositionBefore(e),e.isEmpty&&e.parent===t&&this.writer.remove(e)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const e=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}return!0}_getAllowedIn(e,t){return this.schema.checkChild(e,t)?e:this.schema.isLimit(e)?null:this._getAllowedIn(e.parent,t)}}const Ho=' ,.?!:;"-()';function Uo(e,t){const{isForward:i,walker:o,unit:s,schema:r,treatEmojiAsSingleUnit:a}=e,{type:l,item:c,nextPosition:d}=t;if("text"==l)return"word"===e.unit?function(e,t){let i=e.position.textNode;for(i||(i=t?e.position.nodeAfter:e.position.nodeBefore);i&&i.is("$text");){const n=e.position.offset-i.startOffset;if(Zo(i,n,t))i=t?e.position.nodeAfter:e.position.nodeBefore;else{if($o(i.data,n,t))break;e.next()}}return e.position}(o,i):function(e,t,i){const o=e.position.textNode;if(o){const s=o.data;let r=e.position.offset-o.startOffset;for(;(0,n.isInsideSurrogatePair)(s,r)||"character"==t&&(0,n.isInsideCombinedSymbol)(s,r)||i&&(0,n.isInsideEmojiSequence)(s,r);)e.next(),r=e.position.offset-o.startOffset}return e.position}(o,s,a);if(l==(i?"elementStart":"elementEnd")){if(r.isSelectable(c))return si._createAt(c,i?"after":"before");if(r.checkChild(d,"$text"))return d}else{if(r.isLimit(c))return void o.skip((()=>!0));if(r.checkChild(d,"$text"))return d}}function jo(e,t){const i=e.root,n=si._createAt(i,t?"end":0);return t?new hi(e,n):new hi(n,e)}function $o(e,t,i){const n=t+(i?0:-1);return Ho.includes(e.charAt(n))}function Zo(e,t,i){return t===(i?e.offsetSize:0)}class qo extends((0,n.ObservableMixin)()){constructor(){var e;super(),this.markers=new Ao,this.document=new ko(this),this.schema=new 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e=this.editor,t=e.locale,i=t.t,n=e.commands.get(this.commandName),o=e.config.get(this.componentName),r=(0,s.S1)(o.colors),a=(0,s.k6)(t,r),l=o.documentColors,c=!1!==o.colorPicker;e.ui.componentFactory.add(this.componentName,(t=>{const r=(0,s.t9)(t);let d=!1;return this.colorSelectorView=function({dropdownView:e,colors:t,columns:i,removeButtonLabel:n,colorPickerLabel:o,documentColorsLabel:r,documentColorsCount:a,colorPickerViewConfig:l}){const c=e.locale,d=new s.MI(c,{colors:t,columns:i,removeButtonLabel:n,colorPickerLabel:o,documentColorsLabel:r,documentColorsCount:a,colorPickerViewConfig:l});return e.colorSelectorView=d,e.panelView.children.add(d),d}({dropdownView:r,colors:a.map((e=>({label:e.label,color:e.model,options:{hasBorder:e.hasBorder}}))),columns:this.columns,removeButtonLabel:i("Remove color"),colorPickerLabel:i("Color picker"),documentColorsLabel:0!==l?i("Document colors"):"",documentColorsCount:void 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t=e.t,i={Paragraph:t("Paragraph"),"Heading 1":t("Heading 1"),"Heading 2":t("Heading 2"),"Heading 3":t("Heading 3"),"Heading 4":t("Heading 4"),"Heading 5":t("Heading 5"),"Heading 6":t("Heading 6")};return e.config.get("heading.options").map((e=>{const t=i[e.title];return t&&t!=e.title&&(e.title=t),e}))}class u extends n.Sy{static get pluginName(){return"HeadingUI"}init(){const e=this.editor,t=e.t,i=h(e),n=t("Choose heading"),o=t("Heading");e.ui.componentFactory.add("heading",(t=>{const r={},a=new s.FE,l=e.commands.get("heading"),c=e.commands.get("paragraph"),h=[l];for(const e of i){const t={type:"button",model:new d.jz({label:e.title,class:e.class,role:"menuitemradio",withText:!0})};"paragraph"===e.model?(t.model.bind("isOn").to(c,"value"),t.model.set("commandName","paragraph"),h.push(c)):(t.model.bind("isOn").to(l,"value",(t=>t===e.model)),t.model.set({commandName:"heading",commandValue:e.model})),a.add(t),r[e.model]=e.title}const u=(0,d.t9)(t);return(0,d.Pm)(u,a,{ariaLabel:o,role:"menu"}),u.buttonView.set({ariaLabel:o,ariaLabelledBy:void 0,isOn:!1,withText:!0,tooltip:o}),u.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),u.bind("isEnabled").toMany(h,"isEnabled",((...e)=>e.some((e=>e)))),u.buttonView.bind("label").to(l,"value",c,"value",((e,t)=>{const i=e||t&&"paragraph";return"boolean"==typeof i?n:r[i]?r[i]:n})),this.listenTo(u,"execute",(t=>{const{commandName:i,commandValue:n}=t.source;e.execute(i,n?{value:n}:void 0),e.editing.view.focus()})),u}))}}class m extends n.Sy{static get requires(){return[c,u]}static get pluginName(){return"Heading"}}const g={heading1:n.icons.heading1,heading2:n.icons.heading2,heading3:n.icons.heading3,heading4:n.icons.heading4,heading5:n.icons.heading5,heading6:n.icons.heading6};class f extends n.Sy{init(){h(this.editor).filter((e=>"paragraph"!==e.model)).map((e=>this._createButton(e)))}_createButton(e){const t=this.editor;t.ui.componentFactory.add(e.model,(i=>{const n=new d.r5(i),o=t.commands.get("heading");return n.label=e.title,n.icon=e.icon||g[e.model],n.tooltip=!0,n.isToggleable=!0,n.bind("isEnabled").to(o),n.bind("isOn").to(o,"value",(t=>t==e.model)),n.on("execute",(()=>{t.execute("heading",{value:e.model}),t.editing.view.focus()})),n}))}}var p=i(7422);const b=new Set(["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"]);class w extends n.Sy{constructor(){super(...arguments),this._bodyPlaceholder=new Map}static get pluginName(){return"Title"}static get requires(){return["Paragraph"]}init(){const e=this.editor,t=e.model;t.schema.register("title",{isBlock:!0,allowIn:"$root"}),t.schema.register("title-content",{isBlock:!0,allowIn:"title",allowAttributes:["alignment"]}),t.schema.extend("$text",{allowIn:"title-content"}),t.schema.addAttributeCheck((e=>{if(e.endsWith("title-content $text"))return!1})),e.editing.mapper.on("modelToViewPosition",_(e.editing.view)),e.data.mapper.on("modelToViewPosition",_(e.editing.view)),e.conversion.for("downcast").elementToElement({model:"title-content",view:"h1"}),e.conversion.for("downcast").add((e=>e.on("insert:title",((e,t,i)=>{i.consumable.consume(t.item,e.name)})))),e.data.upcastDispatcher.on("element:h1",v,{priority:"high"}),e.data.upcastDispatcher.on("element:h2",v,{priority:"high"}),e.data.upcastDispatcher.on("element:h3",v,{priority:"high"}),t.document.registerPostFixer((e=>this._fixTitleContent(e))),t.document.registerPostFixer((e=>this._fixTitleElement(e))),t.document.registerPostFixer((e=>this._fixBodyElement(e))),t.document.registerPostFixer((e=>this._fixExtraParagraph(e))),this._attachPlaceholders(),this._attachTabPressHandling()}getTitle(e={}){const t=e.rootName?e.rootName:void 0,i=this._getTitleElement(t).getChild(0);return this.editor.data.stringify(i,e)}getBody(e={}){const t=this.editor,i=t.data,n=t.model,o=e.rootName?e.rootName:void 0,s=t.model.document.getRoot(o),r=t.editing.view,a=new p.qD(r.document),l=n.createRangeIn(s),c=a.createDocumentFragment(),d=n.createPositionAfter(s.getChild(0)),h=n.createRange(d,n.createPositionAt(s,"end")),u=new Map;for(const e of n.markers){const t=h.getIntersection(e.getRange());t&&u.set(e.name,t)}return i.mapper.clearBindings(),i.mapper.bindElements(s,c),i.downcastDispatcher.convert(l,u,a,e),a.remove(a.createRangeOn(c.getChild(0))),t.data.processor.toData(c)}_getTitleElement(e){const t=this.editor.model.document.getRoot(e);for(const e of t.getChildren())if(y(e))return e}_fixTitleContent(e){let t=!1;for(const i of this.editor.model.document.getRootNames()){const n=this._getTitleElement(i);if(!n||1===n.maxOffset)continue;const o=Array.from(n.getChildren());o.shift();for(const t of o)e.move(e.createRangeOn(t),n,"after"),e.rename(t,"paragraph");t=!0}return t}_fixTitleElement(e){let t=!1;const i=this.editor.model;for(const n of this.editor.model.document.getRoots()){const o=Array.from(n.getChildren()).filter(y),s=o[0],r=n.getChild(0);if(r.is("element","title"))o.length>1&&(C(o,e,i),t=!0);else if(s||b.has(r.name))b.has(r.name)?k(r,e,i):e.move(e.createRangeOn(s),n,0),C(o,e,i),t=!0;else{const i=e.createElement("title");e.insert(i,n),e.insertElement("title-content",i),t=!0}}return t}_fixBodyElement(e){let t=!1;for(const i of this.editor.model.document.getRootNames()){const n=this.editor.model.document.getRoot(i);if(n.childCount<2){const o=e.createElement("paragraph");e.insert(o,n,1),this._bodyPlaceholder.set(i,o),t=!0}}return t}_fixExtraParagraph(e){let t=!1;for(const i of this.editor.model.document.getRootNames()){const n=this.editor.model.document.getRoot(i),o=this._bodyPlaceholder.get(i);E(o,n)&&(this._bodyPlaceholder.delete(i),e.remove(o),t=!0)}return t}_attachPlaceholders(){const e=this.editor,t=e.t,i=e.editing.view,n=e.sourceElement,o=e.config.get("title.placeholder")||t("Type your title"),s=e.config.get("placeholder")||n&&"textarea"===n.tagName.toLowerCase()&&n.getAttribute("placeholder")||t("Type or paste your content here.");e.editing.downcastDispatcher.on("insert:title-content",((e,t,n)=>{const s=n.mapper.toViewElement(t.item);s.placeholder=o,(0,p.ID)({view:i,element:s,keepOnFocus:!0})}));const r=new Map;i.document.registerPostFixer((e=>{let t=!1;for(const n of i.document.roots){if(n.isEmpty)continue;const i=n.getChild(1),o=r.get(n.rootName);i!==o&&(o&&((0,p.$_)(e,o),e.removeAttribute("data-placeholder",o)),e.setAttribute("data-placeholder",s,i),r.set(n.rootName,i),t=!0),t=(0,p.Q7)(i,!0)&&2===n.childCount&&"p"===i.name?!!(0,p.NJ)(e,i)||t:!!(0,p.$_)(e,i)||t}return t}))}_attachTabPressHandling(){const e=this.editor,t=e.model;e.keystrokes.set("TAB",((e,i)=>{t.change((e=>{const n=t.document.selection,o=Array.from(n.getSelectedBlocks());if(1===o.length&&o[0].is("element","title-content")){const t=n.getFirstPosition().root.getChild(1);e.setSelection(t,0),i()}}))})),e.keystrokes.set("SHIFT + TAB",((i,n)=>{t.change((i=>{const o=t.document.selection;if(!o.isCollapsed)return;const r=(0,s.Ps)(o.getSelectedBlocks()),a=o.getFirstPosition(),l=e.model.document.getRoot(a.root.rootName),c=l.getChild(0);r===l.getChild(1)&&a.isAtStart&&(i.setSelection(c.getChild(0),0),n())}))}))}}function v(e,t,i){const n=t.modelCursor,o=t.viewItem;if(!n.isAtStart||!n.parent.is("element","$root"))return;if(!i.consumable.consume(o,{name:!0}))return;const s=i.writer,r=s.createElement("title"),a=s.createElement("title-content");s.append(a,r),s.insert(r,n),i.convertChildren(o,a),i.updateConversionResult(r,t)}function _(e){return(t,i)=>{const n=i.modelPosition.parent;if(!n.is("element","title"))return;const o=n.parent,s=i.mapper.toViewElement(o);i.viewPosition=e.createPositionAt(s,0),t.stop()}}function y(e){return e.is("element","title")}function k(e,t,i){const n=t.createElement("title");t.insert(n,e,"before"),t.insert(e,n,0),t.rename(e,"title-content"),i.schema.removeDisallowedAttributes([e],t)}function C(e,t,i){let n=!1;for(const o of e)0!==o.index&&(A(o,t,i),n=!0);return n}function A(e,t,i){const n=e.getChild(0);n.isEmpty?t.remove(e):(t.move(t.createRangeOn(n),e,"before"),t.rename(n,"paragraph"),t.remove(e),i.schema.removeDisallowedAttributes([n],t))}function E(e,t){return!(!e||!e.is("element","paragraph")||e.childCount||t.childCount<=2||t.getChild(t.childCount-1)!==e)}},867:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Highlight:()=>c,HighlightEditing:()=>s,HighlightUI:()=>a});var n=i(7050);class o extends n.mY{refresh(){const e=this.editor.model,t=e.document;this.value=t.selection.getAttribute("highlight"),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"highlight")}execute(e={}){const t=this.editor.model,i=t.document.selection,n=e.value;t.change((e=>{if(i.isCollapsed){const t=i.getFirstPosition();if(i.hasAttribute("highlight")){const i=e=>e.item.hasAttribute("highlight")&&e.item.getAttribute("highlight")===this.value,o=t.getLastMatchingPosition(i,{direction:"backward"}),s=t.getLastMatchingPosition(i),r=e.createRange(o,s);n&&this.value!==n?(t.isEqual(s)||e.setAttribute("highlight",n,r),e.setSelectionAttribute("highlight",n)):(t.isEqual(s)||e.removeAttribute("highlight",r),e.removeSelectionAttribute("highlight"))}else n&&e.setSelectionAttribute("highlight",n)}else{const o=t.schema.getValidRanges(i.getRanges(),"highlight");for(const t of o)n?e.setAttribute("highlight",n,t):e.removeAttribute("highlight",t)}}))}}class s extends n.Sy{static get pluginName(){return"HighlightEditing"}constructor(e){super(e),e.config.define("highlight",{options:[{model:"yellowMarker",class:"marker-yellow",title:"Yellow marker",color:"var(--ck-highlight-marker-yellow)",type:"marker"},{model:"greenMarker",class:"marker-green",title:"Green marker",color:"var(--ck-highlight-marker-green)",type:"marker"},{model:"pinkMarker",class:"marker-pink",title:"Pink marker",color:"var(--ck-highlight-marker-pink)",type:"marker"},{model:"blueMarker",class:"marker-blue",title:"Blue marker",color:"var(--ck-highlight-marker-blue)",type:"marker"},{model:"redPen",class:"pen-red",title:"Red pen",color:"var(--ck-highlight-pen-red)",type:"pen"},{model:"greenPen",class:"pen-green",title:"Green pen",color:"var(--ck-highlight-pen-green)",type:"pen"}]})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"highlight"});const t=e.config.get("highlight.options");e.conversion.attributeToElement(function(e){const t={model:{key:"highlight",values:[]},view:{}};for(const i of e)t.model.values.push(i.model),t.view[i.model]={name:"mark",classes:i.class};return t}(t)),e.commands.add("highlight",new o(e))}}var r=i(6530);class a extends n.Sy{get localizedOptionTitles(){const e=this.editor.t;return{"Yellow marker":e("Yellow marker"),"Green marker":e("Green marker"),"Pink marker":e("Pink marker"),"Blue marker":e("Blue marker"),"Red pen":e("Red pen"),"Green pen":e("Green pen")}}static get pluginName(){return"HighlightUI"}init(){const e=this.editor.config.get("highlight.options");for(const t of e)this._addHighlighterButton(t);this._addRemoveHighlightButton(),this._addDropdown(e)}_addRemoveHighlightButton(){const e=this.editor.t,t=this.editor.commands.get("highlight");this._addButton("removeHighlight",e("Remove highlight"),n.icons.eraser,null,(e=>{e.bind("isEnabled").to(t,"isEnabled")}))}_addHighlighterButton(e){const t=this.editor.commands.get("highlight");this._addButton("highlight:"+e.model,e.title,l(e.type),e.model,(function(i){i.bind("isEnabled").to(t,"isEnabled"),i.bind("isOn").to(t,"value",(t=>t===e.model)),i.iconView.fillColor=e.color,i.isToggleable=!0}))}_addButton(e,t,i,n,o){const s=this.editor;s.ui.componentFactory.add(e,(e=>{const a=new r.r5(e),l=this.localizedOptionTitles[t]?this.localizedOptionTitles[t]:t;return a.set({label:l,icon:i,tooltip:!0}),a.on("execute",(()=>{s.execute("highlight",{value:n}),s.editing.view.focus()})),o(a),a}))}_addDropdown(e){const t=this.editor,i=t.t,n=t.ui.componentFactory,o=e[0],s=e.reduce(((e,t)=>(e[t.model]=t,e)),{});n.add("highlight",(a=>{const c=t.commands.get("highlight"),d=(0,r.t9)(a,r.Rm),h=d.buttonView;function u(e,t){const i=e&&e!==h.lastExecuted?e:h.lastExecuted;return s[i][t]}return h.set({label:i("Highlight"),tooltip:!0,lastExecuted:o.model,commandValue:o.model,isToggleable:!0}),h.bind("icon").to(c,"value",(e=>l(u(e,"type")))),h.bind("color").to(c,"value",(e=>u(e,"color"))),h.bind("commandValue").to(c,"value",(e=>u(e,"model"))),h.bind("isOn").to(c,"value",(e=>!!e)),h.delegate("execute").to(d),d.bind("isEnabled").to(c,"isEnabled"),(0,r.up)(d,(()=>{const t=e.map((e=>{const t=n.create("highlight:"+e.model);return this.listenTo(t,"execute",(()=>{d.buttonView.set({lastExecuted:e.model})})),t}));return t.push(new r.$y),t.push(n.create("removeHighlight")),t}),{enableActiveItemFocusOnDropdownOpen:!0,ariaLabel:i("Text highlight toolbar")}),function(e){e.buttonView.actionView.iconView.bind("fillColor").to(e.buttonView,"color")}(d),h.on("execute",(()=>{t.execute("highlight",{value:h.commandValue})})),this.listenTo(d,"execute",(()=>{t.editing.view.focus()})),d}))}}function l(e){return"marker"===e?'':''}class c extends n.Sy{static get requires(){return[s,a]}static get pluginName(){return"Highlight"}}},3522:(e,t,i)=>{"use strict";i.r(t),i.d(t,{HorizontalLine:()=>c,HorizontalLineEditing:()=>r,HorizontalLineUI:()=>l});var n=i(7050),o=i(1609);class s extends n.mY{refresh(){const e=this.editor.model,t=e.schema,i=e.document.selection;this.isEnabled=function(e,t,i){const n=function(e,t){const i=(0,o.KT)(e,t).start.parent;return i.isEmpty&&!i.is("element","$root")?i.parent:i}(e,i);return t.checkChild(n,"horizontalLine")}(i,t,e)}execute(){const e=this.editor.model;e.change((t=>{const i=t.createElement("horizontalLine");e.insertObject(i,null,null,{setSelection:"after"})}))}}class r extends n.Sy{static get pluginName(){return"HorizontalLineEditing"}init(){const e=this.editor,t=e.model.schema,i=e.t,n=e.conversion;t.register("horizontalLine",{inheritAllFrom:"$blockObject"}),n.for("dataDowncast").elementToElement({model:"horizontalLine",view:(e,{writer:t})=>t.createEmptyElement("hr")}),n.for("editingDowncast").elementToStructure({model:"horizontalLine",view:(e,{writer:t})=>{const n=i("Horizontal line"),s=t.createContainerElement("div",null,t.createEmptyElement("hr"));return t.addClass("ck-horizontal-line",s),t.setCustomProperty("hr",!0,s),function(e,t,i){return t.setCustomProperty("horizontalLine",!0,e),(0,o.XC)(e,t,{label:i})}(s,t,n)}}),n.for("upcast").elementToElement({view:"hr",model:"horizontalLine"}),e.commands.add("horizontalLine",new s(e))}}var a=i(6530);class l extends n.Sy{static get pluginName(){return"HorizontalLineUI"}init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("horizontalLine",(i=>{const o=e.commands.get("horizontalLine"),s=new a.r5(i);return s.set({label:t("Horizontal line"),icon:n.icons.horizontalLine,tooltip:!0}),s.bind("isEnabled").to(o,"isEnabled"),this.listenTo(s,"execute",(()=>{e.execute("horizontalLine"),e.editing.view.focus()})),s}))}}class c extends n.Sy{static get requires(){return[r,l,o.$L]}static get pluginName(){return"HorizontalLine"}}},5277:(e,t,i)=>{"use strict";i.r(t),i.d(t,{HtmlEmbed:()=>u,HtmlEmbedEditing:()=>c,HtmlEmbedUI:()=>h});var n=i(7050),o=i(1609),s=i(6530),r=i(5608);class a extends n.mY{refresh(){const e=this.editor.model,t=e.schema,i=e.document.selection,n=l(i);this.isEnabled=function(e,t,i){const n=function(e,t){const i=(0,o.KT)(e,t).start.parent;return i.isEmpty&&!i.is("rootElement")?i.parent:i}(e,i);return t.checkChild(n,"rawHtml")}(i,t,e),this.value=n?n.getAttribute("value")||"":null}execute(e){const t=this.editor.model,i=t.document.selection;t.change((n=>{let o;null!==this.value?o=l(i):(o=n.createElement("rawHtml"),t.insertObject(o,null,null,{setSelection:"on"})),n.setAttribute("value",e,o)}))}}function l(e){const t=e.getSelectedElement();return t&&t.is("element","rawHtml")?t:null}class c extends n.Sy{static get pluginName(){return"HtmlEmbedEditing"}constructor(e){super(e),this._widgetButtonViewReferences=new Set,e.config.define("htmlEmbed",{showPreviews:!1,sanitizeHtml:e=>((0,r.KE)("html-embed-provide-sanitize-function"),{html:e,hasChanged:!1})})}init(){const e=this.editor;e.model.schema.register("rawHtml",{inheritAllFrom:"$blockObject",allowAttributes:["value"]}),e.commands.add("htmlEmbed",new a(e)),this._setupConversion()}_setupConversion(){const e=this.editor,t=e.t,i=e.editing.view,n=this._widgetButtonViewReferences,s=e.config.get("htmlEmbed");function a({editor:e,domElement:i,state:o,props:s}){i.textContent="";const a=i.ownerDocument;let c;if(o.isEditable){const e={isDisabled:!1,placeholder:s.textareaPlaceholder};c=l({domDocument:a,state:o,props:e}),i.append(c)}else if(o.showPreviews){const n={sanitizeHtml:s.sanitizeHtml};i.append(function({editor:e,domDocument:i,state:n,props:o}){const s=o.sanitizeHtml(n.getRawHtmlValue()),a=n.getRawHtmlValue().length>0?t("No preview available"):t("Empty snippet content"),l=(0,r.az)(i,"div",{class:"ck ck-reset_all raw-html-embed__preview-placeholder"},a),c=(0,r.az)(i,"div",{class:"raw-html-embed__preview-content",dir:e.locale.contentLanguageDirection}),d=i.createRange().createContextualFragment(s.html);c.appendChild(d);return(0,r.az)(i,"div",{class:"raw-html-embed__preview"},[l,c])}({domDocument:a,state:o,props:n,editor:e}))}else{const e={isDisabled:!0,placeholder:s.textareaPlaceholder};i.append(l({domDocument:a,state:o,props:e}))}const h={onEditClick:s.onEditClick,onSaveClick:()=>{s.onSaveClick(c.value)},onCancelClick:s.onCancelClick};i.prepend(function({editor:e,domDocument:t,state:i,props:o}){const s=(0,r.az)(t,"div",{class:"raw-html-embed__buttons-wrapper"});if(i.isEditable){const t=d(e,"save",o.onSaveClick),i=d(e,"cancel",o.onCancelClick);s.append(t.element,i.element),n.add(t).add(i)}else{const t=d(e,"edit",o.onEditClick);s.append(t.element),n.add(t)}return s}({editor:e,domDocument:a,state:o,props:h}))}function l({domDocument:e,state:t,props:i}){const n=(0,r.az)(e,"textarea",{placeholder:i.placeholder,class:"ck ck-reset ck-input ck-input-text raw-html-embed__source"});return n.disabled=i.isDisabled,n.value=t.getRawHtmlValue(),n}this.editor.editing.view.on("render",(()=>{for(const e of n){if(e.element&&e.element.isConnected)return;e.destroy(),n.delete(e)}}),{priority:"lowest"}),e.data.registerRawContentMatcher({name:"div",classes:"raw-html-embed"}),e.conversion.for("upcast").elementToElement({view:{name:"div",classes:"raw-html-embed"},model:(e,{writer:t})=>t.createElement("rawHtml",{value:e.getCustomProperty("$rawContent")})}),e.conversion.for("dataDowncast").elementToElement({model:"rawHtml",view:(e,{writer:t})=>t.createRawElement("div",{class:"raw-html-embed"},(function(t){t.innerHTML=e.getAttribute("value")||""}))}),e.conversion.for("editingDowncast").elementToStructure({model:{name:"rawHtml",attributes:["value"]},view:(n,{writer:r})=>{let l,c,d;const h=r.createRawElement("div",{class:"raw-html-embed__content-wrapper"},(function(t){l=t,a({editor:e,domElement:t,state:c,props:d}),l.addEventListener("mousedown",(()=>{if(c.isEditable){const 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HTML"),icon:n.icons.html,tooltip:!0}),r.bind("isEnabled").to(o,"isEnabled"),this.listenTo(r,"execute",(()=>{e.execute("htmlEmbed"),e.editing.view.focus(),e.editing.view.document.selection.getSelectedElement().getCustomProperty("rawHtmlApi").makeEditable()})),r}))}}class u extends n.Sy{static get requires(){return[c,h,o.$L]}static get pluginName(){return"HtmlEmbed"}}},6407:(e,t,i)=>{"use strict";i.r(t),i.d(t,{AutoImage:()=>v,Image:()=>U,ImageBlock:()=>z,ImageBlockEditing:()=>L,ImageCaption:()=>K,ImageCaptionEditing:()=>Z,ImageCaptionUI:()=>q,ImageCaptionUtils:()=>j,ImageEditing:()=>R,ImageInline:()=>H,ImageInsert:()=>ue,ImageInsertUI:()=>F,ImageInsertViaUrl:()=>he,ImageResize:()=>_e,ImageResizeButtons:()=>pe,ImageResizeEditing:()=>ge,ImageResizeHandles:()=>ve,ImageSizeAttributes:()=>O,ImageStyle:()=>He,ImageStyleEditing:()=>Me,ImageStyleUI:()=>Ne,ImageTextAlternative:()=>x,ImageTextAlternativeEditing:()=>y,ImageTextAlternativeUI:()=>E,ImageToolbar:()=>Ue,ImageUpload:()=>le,ImageUploadEditing:()=>re,ImageUploadProgress:()=>X,ImageUploadUI:()=>Q,ImageUtils:()=>p,PictureEditing:()=>je});var n=i(7050),o=i(8598),s=i(7422),r=i(7280),a=i(4663),l=i(5608),c=i(1609);function d(e){return e.createContainerElement("figure",{class:"image"},[e.createEmptyElement("img"),e.createSlot("children")])}function h(e,t){const i=e.plugins.get("ImageUtils"),n=e.plugins.has("ImageInlineEditing")&&e.plugins.has("ImageBlockEditing");return e=>i.isInlineImageView(e)?n&&("block"==e.getStyle("display")||e.findAncestor(i.isBlockImageView)?"imageBlock":"imageInline")!==t?null:o(e):null;function o(e){const t={name:!0};return e.hasAttribute("src")&&(t.attributes=["src"]),t}}function u(e,t){const i=(0,l.Ps)(t.getSelectedBlocks());return!i||e.isObject(i)||i.isEmpty&&"listItem"!=i.name?"imageBlock":"imageInline"}function m(e){return e&&e.endsWith("px")?parseInt(e):null}function g(e){const t=m(e.getStyle("width")),i=m(e.getStyle("height"));return!(!t||!i)}const f=/^(image|image-inline)$/;class p extends n.Sy{constructor(){super(...arguments),this._domEmitter=new((0,l.Xu)())}static get pluginName(){return"ImageUtils"}isImage(e){return this.isInlineImage(e)||this.isBlockImage(e)}isInlineImageView(e){return!!e&&e.is("element","img")}isBlockImageView(e){return!!e&&e.is("element","figure")&&e.hasClass("image")}insertImage(e={},t=null,i=null,n={}){const o=this.editor,s=o.model,r=s.document.selection,a=b(o,t||r,i);e={...Object.fromEntries(r.getAttributes()),...e};for(const t in e)s.schema.checkAttribute(a,t)||delete e[t];return s.change((i=>{const{setImageSizes:o=!0}=n,r=i.createElement(a,e);return s.insertObject(r,t,null,{setSelection:"on",findOptimalPosition:t||"imageInline"==a?void 0:"auto"}),r.parent?(o&&this.setImageNaturalSizeAttributes(r),r):null}))}setImageNaturalSizeAttributes(e){const t=e.getAttribute("src");t&&(e.getAttribute("width")||e.getAttribute("height")||this.editor.model.change((i=>{const n=new l.CO.window.Image;this._domEmitter.listenTo(n,"load",(()=>{e.getAttribute("width")||e.getAttribute("height")||this.editor.model.enqueueChange(i.batch,(t=>{t.setAttribute("width",n.naturalWidth,e),t.setAttribute("height",n.naturalHeight,e)})),this._domEmitter.stopListening(n,"load")})),n.src=t})))}getClosestSelectedImageWidget(e){const t=e.getFirstPosition();if(!t)return null;const i=e.getSelectedElement();if(i&&this.isImageWidget(i))return i;let n=t.parent;for(;n;){if(n.is("element")&&this.isImageWidget(n))return n;n=n.parent}return null}getClosestSelectedImageElement(e){const t=e.getSelectedElement();return this.isImage(t)?t:e.getFirstPosition().findAncestor("imageBlock")}getImageWidgetFromImageView(e){return e.findAncestor({classes:f})}isImageAllowed(){const e=this.editor.model.document.selection;return function(e,t){if("imageBlock"==b(e,t,null)){const i=function(e,t){const i=(0,c.KT)(e,t).start.parent;return i.isEmpty&&!i.is("element","$root")?i.parent:i}(t,e.model);if(e.model.schema.checkChild(i,"imageBlock"))return!0}else if(e.model.schema.checkChild(t.focus,"imageInline"))return!0;return!1}(this.editor,e)&&function(e){return[...e.focus.getAncestors()].every((e=>!e.is("element","imageBlock")))}(e)}toImageWidget(e,t,i){return t.setCustomProperty("image",!0,e),(0,c.XC)(e,t,{label:()=>{const t=this.findViewImgElement(e).getAttribute("alt");return t?`${t} ${i}`:i}})}isImageWidget(e){return!!e.getCustomProperty("image")&&(0,c.Qd)(e)}isBlockImage(e){return!!e&&e.is("element","imageBlock")}isInlineImage(e){return!!e&&e.is("element","imageInline")}findViewImgElement(e){if(this.isInlineImageView(e))return e;const t=this.editor.editing.view;for(const{item:i}of t.createRangeIn(e))if(this.isInlineImageView(i))return i}destroy(){return this._domEmitter.stopListening(),super.destroy()}}function b(e,t,i){const n=e.model.schema,o=e.config.get("image.insert.type");return e.plugins.has("ImageBlockEditing")?e.plugins.has("ImageInlineEditing")?i||("inline"===o?"imageInline":"auto"!==o?"imageBlock":t.is("selection")?u(n,t):n.checkChild(t,"imageInline")?"imageInline":"imageBlock"):"imageBlock":"imageInline"}const w=new RegExp(String(/^(http(s)?:\/\/)?[\w-]+\.[\w.~:/[\]@!$&'()*+,;=%-]+/.source+/\.(jpg|jpeg|png|gif|ico|webp|JPG|JPEG|PNG|GIF|ICO|WEBP)/.source+/(\?[\w.~:/[\]@!$&'()*+,;=%-]*)?/.source+/(#[\w.~:/[\]@!$&'()*+,;=%-]*)?$/.source));class v extends n.Sy{static get requires(){return[o.TU,p,r.WP,a.HG]}static get pluginName(){return"AutoImage"}constructor(e){super(e),this._timeoutId=null,this._positionToInsert=null}init(){const e=this.editor,t=e.model.document,i=e.plugins.get("ClipboardPipeline");this.listenTo(i,"inputTransformation",(()=>{const e=t.selection.getFirstRange(),i=s.jP.fromPosition(e.start);i.stickiness="toPrevious";const n=s.jP.fromPosition(e.end);n.stickiness="toNext",t.once("change:data",(()=>{this._embedImageBetweenPositions(i,n),i.detach(),n.detach()}),{priority:"high"})})),e.commands.get("undo").on("execute",(()=>{this._timeoutId&&(l.CO.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)}),{priority:"high"})}_embedImageBetweenPositions(e,t){const i=this.editor,n=new s.iE(e,t),o=n.getWalker({ignoreElementEnd:!0}),r=Object.fromEntries(i.model.document.selection.getAttributes()),a=this.editor.plugins.get("ImageUtils");let l="";for(const e of o)e.item.is("$textProxy")&&(l+=e.item.data);l=l.trim(),l.match(w)?(this._positionToInsert=s.jP.fromPosition(e),this._timeoutId=setTimeout((()=>{i.commands.get("insertImage").isEnabled?(i.model.change((e=>{let t;this._timeoutId=null,e.remove(n),n.detach(),"$graveyard"!==this._positionToInsert.root.rootName&&(t=this._positionToInsert.toPosition()),a.insertImage({...r,src:l},t),this._positionToInsert.detach(),this._positionToInsert=null})),i.plugins.get("Delete").requestUndoOnBackspace()):n.detach()}),100)):n.detach()}}class _ extends n.mY{refresh(){const e=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!e,this.isEnabled&&e.hasAttribute("alt")?this.value=e.getAttribute("alt"):this.value=!1}execute(e){const t=this.editor,i=t.plugins.get("ImageUtils"),n=t.model,o=i.getClosestSelectedImageElement(n.document.selection);n.change((t=>{t.setAttribute("alt",e.newValue,o)}))}}class y extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new _(this.editor))}}var k=i(6530);class C extends k.G7{constructor(e){super(e);const t=this.locale.t;this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(t("Save"),n.icons.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(t("Cancel"),n.icons.cancel,"ck-button-cancel","cancel"),this._focusables=new k.vX,this._focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),(0,k.GI)({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)}))}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createButton(e,t,i,n){const o=new k.r5(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createLabeledInputView(){const e=this.locale.t,t=new k.KP(this.locale,k.R);return t.label=e("Text alternative"),t}}function A(e){const t=e.editing.view,i=k.no.defaultPositions,n=e.plugins.get("ImageUtils");return{target:t.domConverter.mapViewToDom(n.getClosestSelectedImageWidget(t.document.selection)),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,i.viewportStickyNorth]}}class E extends n.Sy{static get requires(){return[k.WB]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton()}destroy(){super.destroy(),this._form&&this._form.destroy()}_createButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageTextAlternative",(i=>{const o=e.commands.get("imageTextAlternative"),s=new k.r5(i);return s.set({label:t("Change image text alternative"),icon:n.icons.textAlternative,tooltip:!0}),s.bind("isEnabled").to(o,"isEnabled"),s.bind("isOn").to(o,"value",(e=>!!e)),this.listenTo(s,"execute",(()=>{this._showForm()})),s}))}_createForm(){const e=this.editor,t=e.editing.view.document,i=e.plugins.get("ImageUtils");this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new((0,k.RX)(C))(e.locale),this._form.render(),this.listenTo(this._form,"submit",(()=>{e.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)})),this.listenTo(this._form,"cancel",(()=>{this._hideForm(!0)})),this._form.keystrokes.set("Esc",((e,t)=>{this._hideForm(!0),t()})),this.listenTo(e.ui,"update",(()=>{i.getClosestSelectedImageWidget(t.selection)?this._isVisible&&function(e){const t=e.plugins.get("ContextualBalloon");if(e.plugins.get("ImageUtils").getClosestSelectedImageWidget(e.editing.view.document.selection)){const i=A(e);t.updatePosition(i)}}(e):this._hideForm(!0)})),(0,k.eC)({emitter:this._form,activator:()=>this._isVisible,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;this._form||this._createForm();const e=this.editor,t=e.commands.get("imageTextAlternative"),i=this._form.labeledInput;this._form.disableCssTransitions(),this._isInBalloon||this._balloon.add({view:this._form,position:A(e)}),i.fieldView.value=i.fieldView.element.value=t.value||"",this._form.labeledInput.fieldView.select(),this._form.enableCssTransitions()}_hideForm(e=!1){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),e&&this.editor.editing.view.focus())}get _isVisible(){return!!this._balloon&&this._balloon.visibleView===this._form}get _isInBalloon(){return!!this._balloon&&this._balloon.hasView(this._form)}}class x extends n.Sy{static get requires(){return[y,E]}static get pluginName(){return"ImageTextAlternative"}}function T(e,t){const i=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s);null===i.attributeNewValue?(o.removeAttribute("srcset",r),o.removeAttribute("sizes",r)):i.attributeNewValue&&(o.setAttribute("srcset",i.attributeNewValue,r),o.setAttribute("sizes","100vw",r))};return e=>{e.on(`attribute:srcset:${t}`,i)}}function S(e,t,i){const n=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s);o.setAttribute(i.attributeKey,i.attributeNewValue||"",r)};return e=>{e.on(`attribute:${i}:${t}`,n)}}class P extends s.Qj{observe(e){this.listenTo(e,"load",((e,t)=>{const i=t.target;this.checkShouldIgnoreEventFromTarget(i)||"IMG"==i.tagName&&this._fireEvents(t)}),{useCapture:!0})}stopObserving(e){this.stopListening(e)}_fireEvents(e){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",e))}}class I extends n.mY{constructor(e){super(e);const t=e.config.get("image.insert.type");e.plugins.has("ImageBlockEditing")||"block"===t&&(0,l.KE)("image-block-plugin-required"),e.plugins.has("ImageInlineEditing")||"inline"===t&&(0,l.KE)("image-inline-plugin-required")}refresh(){const e=this.editor.plugins.get("ImageUtils");this.isEnabled=e.isImageAllowed()}execute(e){const t=(0,l.qo)(e.source),i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageUtils"),o=Object.fromEntries(i.getAttributes());t.forEach(((e,t)=>{const s=i.getSelectedElement();if("string"==typeof e&&(e={src:e}),t&&s&&n.isImage(s)){const t=this.editor.model.createPositionAfter(s);n.insertImage({...e,...o},t)}else n.insertImage({...e,...o})}))}}class V extends n.mY{constructor(e){super(e),this.decorate("cleanupImage")}refresh(){const e=this.editor.plugins.get("ImageUtils"),t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=e.isImage(t),this.value=this.isEnabled?t.getAttribute("src"):null}execute(e){const t=this.editor.model.document.selection.getSelectedElement(),i=this.editor.plugins.get("ImageUtils");this.editor.model.change((n=>{n.setAttribute("src",e.source,t),this.cleanupImage(n,t),i.setImageNaturalSizeAttributes(t)}))}cleanupImage(e,t){e.removeAttribute("srcset",t),e.removeAttribute("sizes",t),e.removeAttribute("sources",t),e.removeAttribute("width",t),e.removeAttribute("height",t),e.removeAttribute("alt",t)}}class R extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageEditing"}init(){const e=this.editor,t=e.conversion;e.editing.view.addObserver(P),t.for("upcast").attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:"srcset"});const i=new I(e),n=new V(e);e.commands.add("insertImage",i),e.commands.add("replaceImageSource",n),e.commands.add("imageInsert",i)}}class O extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageSizeAttributes"}afterInit(){this._registerSchema(),this._registerConverters("imageBlock"),this._registerConverters("imageInline")}_registerSchema(){this.editor.plugins.has("ImageBlockEditing")&&this.editor.model.schema.extend("imageBlock",{allowAttributes:["width","height"]}),this.editor.plugins.has("ImageInlineEditing")&&this.editor.model.schema.extend("imageInline",{allowAttributes:["width","height"]})}_registerConverters(e){const t=this.editor,i=t.plugins.get("ImageUtils"),n="imageBlock"===e?"figure":"img";function o(t,n,o,s){t.on(`attribute:${n}:${e}`,((t,n,r)=>{if(!r.consumable.consume(n.item,t.name))return;const a=r.writer,l=r.mapper.toViewElement(n.item),c=i.findViewImgElement(l);if(null!==n.attributeNewValue?a.setAttribute(o,n.attributeNewValue,c):a.removeAttribute(o,c),n.item.hasAttribute("sources"))return;const d=n.item.hasAttribute("resizedWidth");if("imageInline"===e&&!d&&!s)return;const h=n.item.getAttribute("width"),u=n.item.getAttribute("height");h&&u&&a.setStyle("aspect-ratio",`${h}/${u}`,c)}))}t.conversion.for("upcast").attributeToAttribute({view:{name:n,styles:{width:/.+/}},model:{key:"width",value:e=>g(e)?m(e.getStyle("width")):null}}).attributeToAttribute({view:{name:n,key:"width"},model:"width"}).attributeToAttribute({view:{name:n,styles:{height:/.+/}},model:{key:"height",value:e=>g(e)?m(e.getStyle("height")):null}}).attributeToAttribute({view:{name:n,key:"height"},model:"height"}),t.conversion.for("editingDowncast").add((e=>{o(e,"width","width",!0),o(e,"height","height",!0)})),t.conversion.for("dataDowncast").add((e=>{o(e,"width","width",!1),o(e,"height","height",!1)}))}}class B extends n.mY{constructor(e,t){super(e),this._modelElementName=t}refresh(){const e=this.editor.plugins.get("ImageUtils"),t=e.getClosestSelectedImageElement(this.editor.model.document.selection);"imageBlock"===this._modelElementName?this.isEnabled=e.isInlineImage(t):this.isEnabled=e.isBlockImage(t)}execute(e={}){const t=this.editor,i=this.editor.model,n=t.plugins.get("ImageUtils"),o=n.getClosestSelectedImageElement(i.document.selection),s=Object.fromEntries(o.getAttributes());return s.src||s.uploadId?i.change((t=>{const{setImageSizes:r=!0}=e,a=Array.from(i.markers).filter((e=>e.getRange().containsItem(o))),l=n.insertImage(s,i.createSelection(o,"on"),this._modelElementName,{setImageSizes:r});if(!l)return null;const c=t.createRangeOn(l);for(const e of a){const i=e.getRange(),n="$graveyard"!=i.root.rootName?i.getJoined(c,!0):c;t.updateMarker(e,{range:n})}return{oldElement:o,newElement:l}})):null}}class M extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImagePlaceholder"}afterInit(){this._setupSchema(),this._setupConversion(),this._setupLoadListener()}_setupSchema(){const e=this.editor.model.schema;e.isRegistered("imageBlock")&&e.extend("imageBlock",{allowAttributes:["placeholder"]}),e.isRegistered("imageInline")&&e.extend("imageInline",{allowAttributes:["placeholder"]})}_setupConversion(){const e=this.editor,t=e.conversion,i=e.plugins.get("ImageUtils");t.for("editingDowncast").add((e=>{e.on("attribute:placeholder",((e,t,n)=>{if(!n.consumable.test(t.item,e.name))return;if(!t.item.is("element","imageBlock")&&!t.item.is("element","imageInline"))return;n.consumable.consume(t.item,e.name);const o=n.writer,s=n.mapper.toViewElement(t.item),r=i.findViewImgElement(s);t.attributeNewValue?(o.addClass("image_placeholder",r),o.setStyle("background-image",`url(${t.attributeNewValue})`,r),o.setCustomProperty("editingPipeline:doNotReuseOnce",!0,r)):(o.removeClass("image_placeholder",r),o.removeStyle("background-image",r))}))}))}_setupLoadListener(){const e=this.editor,t=e.model,i=e.editing,n=i.view,o=e.plugins.get("ImageUtils");n.addObserver(P),this.listenTo(n.document,"imageLoaded",((e,s)=>{const r=n.domConverter.mapDomToView(s.target);if(!r)return;const a=o.getImageWidgetFromImageView(r);if(!a)return;const l=i.mapper.toModelElement(a);l&&l.hasAttribute("placeholder")&&t.enqueueChange({isUndoable:!1},(e=>{e.removeAttribute("placeholder",l)}))}))}}class L extends n.Sy{static get requires(){return[R,O,p,M,o._l]}static get pluginName(){return"ImageBlockEditing"}init(){const e=this.editor;e.model.schema.register("imageBlock",{inheritAllFrom:"$blockObject",allowAttributes:["alt","src","srcset"]}),this._setupConversion(),e.plugins.has("ImageInlineEditing")&&(e.commands.add("imageTypeBlock",new B(this.editor,"imageBlock")),this._setupClipboardIntegration())}_setupConversion(){const e=this.editor,t=e.t,i=e.conversion,n=e.plugins.get("ImageUtils");i.for("dataDowncast").elementToStructure({model:"imageBlock",view:(e,{writer:t})=>d(t)}),i.for("editingDowncast").elementToStructure({model:"imageBlock",view:(e,{writer:i})=>n.toImageWidget(d(i),i,t("image widget"))}),i.for("downcast").add(S(n,"imageBlock","src")).add(S(n,"imageBlock","alt")).add(T(n,"imageBlock")),i.for("upcast").elementToElement({view:h(e,"imageBlock"),model:(e,{writer:t})=>t.createElement("imageBlock",e.hasAttribute("src")?{src:e.getAttribute("src")}:void 0)}).add(function(e){const t=(t,i,n)=>{if(!n.consumable.test(i.viewItem,{name:!0,classes:"image"}))return;const o=e.findViewImgElement(i.viewItem);if(!o||!n.consumable.test(o,{name:!0}))return;n.consumable.consume(i.viewItem,{name:!0,classes:"image"});const s=n.convertItem(o,i.modelCursor),r=(0,l.Ps)(s.modelRange.getItems());r?(n.convertChildren(i.viewItem,r),n.updateConversionResult(r,i)):n.consumable.revert(i.viewItem,{name:!0,classes:"image"})};return e=>{e.on("element:figure",t)}}(n))}_setupClipboardIntegration(){const e=this.editor,t=e.model,i=e.editing.view,n=e.plugins.get("ImageUtils"),o=e.plugins.get("ClipboardPipeline");this.listenTo(o,"inputTransformation",((o,r)=>{const a=Array.from(r.content.getChildren());let l;if(!a.every(n.isInlineImageView))return;l=r.targetRanges?e.editing.mapper.toModelRange(r.targetRanges[0]):t.document.selection.getFirstRange();const c=t.createSelection(l);if("imageBlock"===u(t.schema,c)){const e=new s.yj(i.document),t=a.map((t=>e.createElement("figure",{class:"image"},t)));r.content=e.createDocumentFragment(t)}})),this.listenTo(o,"contentInsertion",((e,i)=>{"paste"===i.method&&t.change((e=>{const t=e.createRangeIn(i.content);for(const e of t.getItems())e.is("element","imageBlock")&&n.setImageNaturalSizeAttributes(e)}))}))}}class D extends k.G7{constructor(e,t=[]){super(e),this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this._focusables=new k.vX,this.children=this.createCollection(),this._focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});for(const e of t)this.children.add(e),this._focusables.add(e),e instanceof k.p2&&this._focusables.addMany(e.children);if(this._focusables.length>1)for(const e of this._focusables)N(e)&&(e.focusCycler.on("forwardCycle",(e=>{this._focusCycler.focusNext(),e.stop()})),e.focusCycler.on("backwardCycle",(e=>{this._focusCycler.focusPrevious(),e.stop()})));this.setTemplate({tag:"form",attributes:{class:["ck","ck-image-insert-form"],tabindex:-1},children:this.children})}render(){super.render(),(0,k.GI)({view:this});for(const e of this._focusables)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element);const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}}function N(e){return"focusCycler"in e}class F extends n.Sy{static get pluginName(){return"ImageInsertUI"}static get requires(){return[p]}constructor(e){super(e),this._integrations=new Map,e.config.define("image.insert.integrations",["upload","assetManager","url"])}init(){const e=this.editor,t=e.model.document.selection,i=e.plugins.get("ImageUtils");this.set("isImageSelected",!1),this.listenTo(e.model.document,"change",(()=>{this.isImageSelected=i.isImage(t.getSelectedElement())}));const n=e=>this._createToolbarComponent(e);e.ui.componentFactory.add("insertImage",n),e.ui.componentFactory.add("imageInsert",n)}registerIntegration({name:e,observable:t,buttonViewCreator:i,formViewCreator:n,requiresForm:o}){this._integrations.has(e)&&(0,l.KE)("image-insert-integration-exists",{name:e}),this._integrations.set(e,{observable:t,buttonViewCreator:i,formViewCreator:n,requiresForm:!!o})}_createToolbarComponent(e){const t=this.editor,i=e.t,n=this._prepareIntegrations();if(!n.length)return null;let o;const s=n[0];if(1==n.length){if(!s.requiresForm)return s.buttonViewCreator(!0);o=s.buttonViewCreator(!0)}else{const t=s.buttonViewCreator(!1);o=new k.Rm(e,t),o.tooltip=!0,o.bind("label").to(this,"isImageSelected",(e=>i(e?"Replace image":"Insert image")))}const r=this.dropdownView=(0,k.t9)(e,o),a=n.map((({observable:e})=>e));return r.bind("isEnabled").toMany(a,"isEnabled",((...e)=>e.some((e=>e)))),r.once("change:isOpen",(()=>{const e=n.map((({formViewCreator:e})=>e(1==n.length))),i=new D(t.locale,e);r.panelView.children.add(i)})),r}_prepareIntegrations(){const e=this.editor.config.get("image.insert.integrations"),t=[];if(!e.length)return(0,l.KE)("image-insert-integrations-not-specified"),t;for(const i of e)this._integrations.has(i)?t.push(this._integrations.get(i)):["upload","assetManager","url"].includes(i)||(0,l.KE)("image-insert-unknown-integration",{item:i});return t.length||(0,l.KE)("image-insert-integrations-not-registered"),t}}class z extends n.Sy{static get requires(){return[L,c.$L,x,F]}static get pluginName(){return"ImageBlock"}}class W extends n.Sy{static get requires(){return[R,O,p,M,o._l]}static get pluginName(){return"ImageInlineEditing"}init(){const e=this.editor,t=e.model.schema;t.register("imageInline",{inheritAllFrom:"$inlineObject",allowAttributes:["alt","src","srcset"]}),t.addChildCheck(((e,t)=>{if(e.endsWith("caption")&&"imageInline"===t.name)return!1})),this._setupConversion(),e.plugins.has("ImageBlockEditing")&&(e.commands.add("imageTypeInline",new B(this.editor,"imageInline")),this._setupClipboardIntegration())}_setupConversion(){const e=this.editor,t=e.t,i=e.conversion,n=e.plugins.get("ImageUtils");i.for("dataDowncast").elementToElement({model:"imageInline",view:(e,{writer:t})=>t.createEmptyElement("img")}),i.for("editingDowncast").elementToStructure({model:"imageInline",view:(e,{writer:i})=>n.toImageWidget(function(e){return e.createContainerElement("span",{class:"image-inline"},e.createEmptyElement("img"))}(i),i,t("image widget"))}),i.for("downcast").add(S(n,"imageInline","src")).add(S(n,"imageInline","alt")).add(T(n,"imageInline")),i.for("upcast").elementToElement({view:h(e,"imageInline"),model:(e,{writer:t})=>t.createElement("imageInline",e.hasAttribute("src")?{src:e.getAttribute("src")}:void 0)})}_setupClipboardIntegration(){const e=this.editor,t=e.model,i=e.editing.view,n=e.plugins.get("ImageUtils"),o=e.plugins.get("ClipboardPipeline");this.listenTo(o,"inputTransformation",((o,r)=>{const a=Array.from(r.content.getChildren());let l;if(!a.every(n.isBlockImageView))return;l=r.targetRanges?e.editing.mapper.toModelRange(r.targetRanges[0]):t.document.selection.getFirstRange();const c=t.createSelection(l);if("imageInline"===u(t.schema,c)){const e=new s.yj(i.document),t=a.map((t=>1===t.childCount?(Array.from(t.getAttributes()).forEach((i=>e.setAttribute(...i,n.findViewImgElement(t)))),t.getChild(0)):t));r.content=e.createDocumentFragment(t)}})),this.listenTo(o,"contentInsertion",((e,i)=>{"paste"===i.method&&t.change((e=>{const t=e.createRangeIn(i.content);for(const e of t.getItems())e.is("element","imageInline")&&n.setImageNaturalSizeAttributes(e)}))}))}}class H extends n.Sy{static get requires(){return[W,c.$L,x,F]}static get pluginName(){return"ImageInline"}}class U extends n.Sy{static get requires(){return[z,H]}static get pluginName(){return"Image"}}class j extends n.Sy{static get pluginName(){return"ImageCaptionUtils"}static get requires(){return[p]}getCaptionFromImageModelElement(e){for(const t of e.getChildren())if(t&&t.is("element","caption"))return t;return null}getCaptionFromModelSelection(e){const t=this.editor.plugins.get("ImageUtils"),i=e.getFirstPosition().findAncestor("caption");return i&&t.isBlockImage(i.parent)?i:null}matchImageCaptionViewElement(e){const t=this.editor.plugins.get("ImageUtils");return"figcaption"==e.name&&t.isBlockImageView(e.parent)?{name:!0}:null}}class $ extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageCaptionUtils"),i=e.plugins.get("ImageUtils");if(!e.plugins.has(L))return this.isEnabled=!1,void(this.value=!1);const n=e.model.document.selection,o=n.getSelectedElement();if(!o){const e=t.getCaptionFromModelSelection(n);return this.isEnabled=!!e,void(this.value=!!e)}this.isEnabled=i.isImage(o),this.isEnabled?this.value=!!t.getCaptionFromImageModelElement(o):this.value=!1}execute(e={}){const{focusCaptionOnShow:t}=e;this.editor.model.change((e=>{this.value?this._hideImageCaption(e):this._showImageCaption(e,t)}))}_showImageCaption(e,t){const i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageCaptionEditing"),o=this.editor.plugins.get("ImageUtils");let s=i.getSelectedElement();const r=n._getSavedCaption(s);o.isInlineImage(s)&&(this.editor.execute("imageTypeBlock"),s=i.getSelectedElement());const a=r||e.createElement("caption");e.append(a,s),t&&e.setSelection(a,"in")}_hideImageCaption(e){const t=this.editor,i=t.model.document.selection,n=t.plugins.get("ImageCaptionEditing"),o=t.plugins.get("ImageCaptionUtils");let s,r=i.getSelectedElement();r?s=o.getCaptionFromImageModelElement(r):(s=o.getCaptionFromModelSelection(i),r=s.parent),n._saveCaption(r,s),e.setSelection(r,"on"),e.remove(s)}}class Z extends n.Sy{static get requires(){return[p,j]}static get pluginName(){return"ImageCaptionEditing"}constructor(e){super(e),this._savedCaptionsMap=new WeakMap}init(){const e=this.editor,t=e.model.schema;t.isRegistered("caption")?t.extend("caption",{allowIn:"imageBlock"}):t.register("caption",{allowIn:"imageBlock",allowContentOf:"$block",isLimit:!0}),e.commands.add("toggleImageCaption",new $(this.editor)),this._setupConversion(),this._setupImageTypeCommandsIntegration(),this._registerCaptionReconversion()}_setupConversion(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageUtils"),n=e.plugins.get("ImageCaptionUtils"),o=e.t;e.conversion.for("upcast").elementToElement({view:e=>n.matchImageCaptionViewElement(e),model:"caption"}),e.conversion.for("dataDowncast").elementToElement({model:"caption",view:(e,{writer:t})=>i.isBlockImage(e.parent)?t.createContainerElement("figcaption"):null}),e.conversion.for("editingDowncast").elementToElement({model:"caption",view:(e,{writer:n})=>{if(!i.isBlockImage(e.parent))return null;const r=n.createEditableElement("figcaption");n.setCustomProperty("imageCaption",!0,r),r.placeholder=o("Enter image caption"),(0,s.ID)({view:t,element:r,keepOnFocus:!0});const a=e.parent.getAttribute("alt"),l=a?o("Caption for image: %0",[a]):o("Caption for the image");return(0,c.sC)(r,n,{label:l})}})}_setupImageTypeCommandsIntegration(){const e=this.editor,t=e.plugins.get("ImageUtils"),i=e.plugins.get("ImageCaptionUtils"),n=e.commands.get("imageTypeInline"),o=e.commands.get("imageTypeBlock"),s=e=>{if(!e.return)return;const{oldElement:n,newElement:o}=e.return;if(!n)return;if(t.isBlockImage(n)){const e=i.getCaptionFromImageModelElement(n);if(e)return void this._saveCaption(o,e)}const s=this._getSavedCaption(n);s&&this._saveCaption(o,s)};n&&this.listenTo(n,"execute",s,{priority:"low"}),o&&this.listenTo(o,"execute",s,{priority:"low"})}_getSavedCaption(e){const t=this._savedCaptionsMap.get(e);return t?s.W_.fromJSON(t):null}_saveCaption(e,t){this._savedCaptionsMap.set(e,t.toJSON())}_registerCaptionReconversion(){const e=this.editor,t=e.model,i=e.plugins.get("ImageUtils"),n=e.plugins.get("ImageCaptionUtils");t.document.on("change:data",(()=>{const o=t.document.differ.getChanges();for(const t of o){if("alt"!==t.attributeKey)continue;const o=t.range.start.nodeAfter;if(i.isBlockImage(o)){const t=n.getCaptionFromImageModelElement(o);if(!t)return;e.editing.reconvertItem(t)}}}))}}class q extends n.Sy{static get requires(){return[j]}static get pluginName(){return"ImageCaptionUI"}init(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageCaptionUtils"),o=e.t;e.ui.componentFactory.add("toggleImageCaption",(s=>{const r=e.commands.get("toggleImageCaption"),a=new k.r5(s);return a.set({icon:n.icons.caption,tooltip:!0,isToggleable:!0}),a.bind("isOn","isEnabled").to(r,"value","isEnabled"),a.bind("label").to(r,"value",(e=>o(e?"Toggle caption off":"Toggle caption on"))),this.listenTo(a,"execute",(()=>{e.execute("toggleImageCaption",{focusCaptionOnShow:!0});const n=i.getCaptionFromModelSelection(e.model.document.selection);if(n){const i=e.editing.mapper.toViewElement(n);t.scrollToTheSelection(),t.change((e=>{e.addClass("image__caption_highlighted",i)}))}e.editing.view.focus()})),a}))}}class K extends n.Sy{static get requires(){return[Z,q]}static get pluginName(){return"ImageCaption"}}var G=i(4704);function J(e){const t=e.map((e=>e.replace("+","\\+")));return new RegExp(`^image\\/(${t.join("|")})$`)}function Y(e,t){return e.type?e.type:t.match(/data:(image\/\w+);base64/)?t.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}class Q extends n.Sy{static get pluginName(){return"ImageUploadUI"}init(){const e=this.editor,t=e.t,i=i=>{const o=new G.FileDialogButtonView(i),s=e.commands.get("uploadImage"),r=e.config.get("image.upload.types"),a=J(r);return o.set({acceptedType:r.map((e=>`image/${e}`)).join(","),allowMultipleFiles:!0,label:t("Upload image from computer"),icon:n.icons.imageUpload,tooltip:!0}),o.bind("isEnabled").to(s),o.on("done",((t,i)=>{const n=Array.from(i).filter((e=>a.test(e.type)));n.length&&(e.execute("uploadImage",{file:n}),e.editing.view.focus())})),o};if(e.ui.componentFactory.add("uploadImage",i),e.ui.componentFactory.add("imageUpload",i),e.plugins.has("ImageInsertUI")){const i=e.plugins.get("ImageInsertUI"),n=e.commands.get("uploadImage");i.registerIntegration({name:"upload",observable:n,buttonViewCreator:()=>{const n=e.ui.componentFactory.create("uploadImage");return n.bind("label").to(i,"isImageSelected",(e=>t(e?"Replace image from computer":"Upload image from computer"))),n},formViewCreator:()=>{const n=e.ui.componentFactory.create("uploadImage");return n.withText=!0,n.bind("label").to(i,"isImageSelected",(e=>t(e?"Replace from computer":"Upload from computer"))),n.on("execute",(()=>{i.dropdownView.isOpen=!1})),n}})}}}class X extends n.Sy{static get pluginName(){return"ImageUploadProgress"}constructor(e){super(e),this.uploadStatusChange=(e,t,i)=>{const n=this.editor,o=t.item,s=o.getAttribute("uploadId");if(!i.consumable.consume(t.item,e.name))return;const r=n.plugins.get("ImageUtils"),a=n.plugins.get(G.FileRepository),l=s?t.attributeNewValue:null,c=this.placeholder,d=n.editing.mapper.toViewElement(o),h=i.writer;if("reading"==l)return ee(d,h),void te(r,c,d,h);if("uploading"==l){const e=a.loaders.get(s);return ee(d,h),void(e?(ie(d,h),function(e,t,i,n){const o=function(e){const t=e.createUIElement("div",{class:"ck-progress-bar"});return e.setCustomProperty("progressBar",!0,t),t}(t);t.insert(t.createPositionAt(e,"end"),o),i.on("change:uploadedPercent",((e,t,i)=>{n.change((e=>{e.setStyle("width",i+"%",o)}))}))}(d,h,e,n.editing.view),function(e,t,i,n){if(n.data){const o=e.findViewImgElement(t);i.setAttribute("src",n.data,o)}}(r,d,h,e)):te(r,c,d,h))}"complete"==l&&a.loaders.get(s)&&function(e,t,i){const n=t.createUIElement("div",{class:"ck-image-upload-complete-icon"});t.insert(t.createPositionAt(e,"end"),n),setTimeout((()=>{i.change((e=>e.remove(e.createRangeOn(n))))}),3e3)}(d,h,n.editing.view),function(e,t){oe(e,t,"progressBar")}(d,h),ie(d,h),function(e,t){t.removeClass("ck-appear",e)}(d,h)},this.placeholder="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="}init(){const e=this.editor;e.plugins.has("ImageBlockEditing")&&e.editing.downcastDispatcher.on("attribute:uploadStatus:imageBlock",this.uploadStatusChange),e.plugins.has("ImageInlineEditing")&&e.editing.downcastDispatcher.on("attribute:uploadStatus:imageInline",this.uploadStatusChange)}}function ee(e,t){e.hasClass("ck-appear")||t.addClass("ck-appear",e)}function te(e,t,i,n){i.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",i);const o=e.findViewImgElement(i);o.getAttribute("src")!==t&&n.setAttribute("src",t,o),ne(i,"placeholder")||n.insert(n.createPositionAfter(o),function(e){const t=e.createUIElement("div",{class:"ck-upload-placeholder-loader"});return e.setCustomProperty("placeholder",!0,t),t}(n))}function ie(e,t){e.hasClass("ck-image-upload-placeholder")&&t.removeClass("ck-image-upload-placeholder",e),oe(e,t,"placeholder")}function ne(e,t){for(const i of e.getChildren())if(i.getCustomProperty(t))return i}function oe(e,t,i){const n=ne(e,i);n&&t.remove(t.createRangeOn(n))}class se extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageUtils"),i=e.model.document.selection.getSelectedElement();this.isEnabled=t.isImageAllowed()||t.isImage(i)}execute(e){const t=(0,l.qo)(e.file),i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageUtils"),o=Object.fromEntries(i.getAttributes());t.forEach(((e,t)=>{const s=i.getSelectedElement();if(t&&s&&n.isImage(s)){const t=this.editor.model.createPositionAfter(s);this._uploadImage(e,o,t)}else this._uploadImage(e,o)}))}_uploadImage(e,t,i){const n=this.editor,o=n.plugins.get(G.FileRepository).createLoader(e),s=n.plugins.get("ImageUtils");o&&s.insertImage({...t,uploadId:o.id},i)}}class re extends n.Sy{static get requires(){return[G.FileRepository,k.P_,o._l,p]}static get pluginName(){return"ImageUploadEditing"}constructor(e){super(e),e.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}}),this._uploadImageElements=new Map}init(){const e=this.editor,t=e.model.document,i=e.conversion,n=e.plugins.get(G.FileRepository),o=e.plugins.get("ImageUtils"),r=e.plugins.get("ClipboardPipeline"),a=J(e.config.get("image.upload.types")),c=new se(e);e.commands.add("uploadImage",c),e.commands.add("imageUpload",c),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(e.editing.view.document,"clipboardInput",((t,i)=>{if(n=i.dataTransfer,Array.from(n.types).includes("text/html")&&""!==n.getData("text/html"))return;var n;const o=Array.from(i.dataTransfer.files).filter((e=>!!e&&a.test(e.type)));o.length&&(t.stop(),e.model.change((t=>{i.targetRanges&&t.setSelection(i.targetRanges.map((t=>e.editing.mapper.toModelRange(t)))),e.execute("uploadImage",{file:o})})))})),this.listenTo(r,"inputTransformation",((t,i)=>{const r=Array.from(e.editing.view.createRangeIn(i.content)).map((e=>e.item)).filter((e=>function(e,t){return!(!e.isInlineImageView(t)||!t.getAttribute("src")||!t.getAttribute("src").match(/^data:image\/\w+;base64,/g)&&!t.getAttribute("src").match(/^blob:/g))}(o,e)&&!e.getAttribute("uploadProcessed"))).map((e=>{return{promise:(t=e,new Promise(((e,i)=>{const n=t.getAttribute("src");fetch(n).then((e=>e.blob())).then((t=>{const i=Y(t,n),o=i.replace("image/",""),s=new File([t],`image.${o}`,{type:i});e(s)})).catch((t=>t&&"TypeError"===t.name?function(e){return function(e){return new Promise(((t,i)=>{const n=l.CO.document.createElement("img");n.addEventListener("load",(()=>{const e=l.CO.document.createElement("canvas");e.width=n.width,e.height=n.height,e.getContext("2d").drawImage(n,0,0),e.toBlob((e=>e?t(e):i()))})),n.addEventListener("error",(()=>i())),n.src=e}))}(e).then((t=>{const i=Y(t,e),n=i.replace("image/","");return new File([t],`image.${n}`,{type:i})}))}(n).then(e).catch(i):i(t)))}))),imageElement:e};var t}));if(!r.length)return;const a=new s.yj(e.editing.view.document);for(const e of r){a.setAttribute("uploadProcessed",!0,e.imageElement);const t=n.createLoader(e.promise);t&&(a.setAttribute("src","",e.imageElement),a.setAttribute("uploadId",t.id,e.imageElement))}})),e.editing.view.document.on("dragover",((e,t)=>{t.preventDefault()})),t.on("change",(()=>{const i=t.differ.getChanges({includeChangesInGraveyard:!0}).reverse(),o=new Set;for(const t of i)if("insert"==t.type&&"$text"!=t.name){const i=t.position.nodeAfter,s="$graveyard"==t.position.root.rootName;for(const t of ae(e,i)){const e=t.getAttribute("uploadId");if(!e)continue;const i=n.loaders.get(e);i&&(s?o.has(e)||i.abort():(o.add(e),this._uploadImageElements.set(e,t),"idle"==i.status&&this._readAndUpload(i)))}}})),this.on("uploadComplete",((e,{imageElement:t,data:i})=>{const n=i.urls?i.urls:i;this.editor.model.change((e=>{e.setAttribute("src",n.default,t),this._parseAndSetSrcsetAttributeOnImage(n,t,e),o.setImageNaturalSizeAttributes(t)}))}),{priority:"low"})}afterInit(){const e=this.editor.model.schema;this.editor.plugins.has("ImageBlockEditing")&&e.extend("imageBlock",{allowAttributes:["uploadId","uploadStatus"]}),this.editor.plugins.has("ImageInlineEditing")&&e.extend("imageInline",{allowAttributes:["uploadId","uploadStatus"]})}_readAndUpload(e){const t=this.editor,i=t.model,n=t.locale.t,o=t.plugins.get(G.FileRepository),s=t.plugins.get(k.P_),r=t.plugins.get("ImageUtils"),a=this._uploadImageElements;return i.enqueueChange({isUndoable:!1},(t=>{t.setAttribute("uploadStatus","reading",a.get(e.id))})),e.read().then((()=>{const n=e.upload(),o=a.get(e.id);if(l.OB.isSafari){const e=t.editing.mapper.toViewElement(o),i=r.findViewImgElement(e);t.editing.view.once("render",(()=>{if(!i.parent)return;const e=t.editing.view.domConverter.mapViewToDom(i.parent);if(!e)return;const n=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=n}))}return i.enqueueChange({isUndoable:!1},(e=>{e.setAttribute("uploadStatus","uploading",o)})),n})).then((t=>{i.enqueueChange({isUndoable:!1},(i=>{const n=a.get(e.id);i.setAttribute("uploadStatus","complete",n),this.fire("uploadComplete",{data:t,imageElement:n})})),c()})).catch((t=>{if("error"!==e.status&&"aborted"!==e.status)throw t;"error"==e.status&&t&&s.showWarning(t,{title:n("Upload failed"),namespace:"upload"}),i.enqueueChange({isUndoable:!1},(t=>{t.remove(a.get(e.id))})),c()}));function c(){i.enqueueChange({isUndoable:!1},(t=>{const i=a.get(e.id);t.removeAttribute("uploadId",i),t.removeAttribute("uploadStatus",i),a.delete(e.id)})),o.destroyLoader(e)}}_parseAndSetSrcsetAttributeOnImage(e,t,i){let n=0;const o=Object.keys(e).filter((e=>{const t=parseInt(e,10);if(!isNaN(t))return n=Math.max(n,t),!0})).map((t=>`${e[t]} ${t}w`)).join(", ");if(""!=o){const e={srcset:o};t.hasAttribute("width")||t.hasAttribute("height")||(e.width=n),i.setAttributes(e,t)}}}function ae(e,t){const i=e.plugins.get("ImageUtils");return Array.from(e.model.createRangeOn(t)).filter((e=>i.isImage(e.item))).map((e=>e.item))}class le extends n.Sy{static get pluginName(){return"ImageUpload"}static get requires(){return[re,Q,X]}}class ce extends k.G7{constructor(e){super(e),this.set("imageURLInputValue",""),this.set("isImageSelected",!1),this.set("isEnabled",!0),this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this._focusables=new k.vX,this.focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.urlInputView=this._createUrlInputView(),this.insertButtonView=this._createInsertButton(),this.cancelButtonView=this._createCancelButton(),this._focusables.addMany([this.urlInputView,this.insertButtonView,this.cancelButtonView]),this.setTemplate({tag:"div",attributes:{class:["ck","ck-image-insert-url"]},children:[this.urlInputView,{tag:"div",attributes:{class:["ck","ck-image-insert-url__action-row"]},children:[this.insertButtonView,this.cancelButtonView]}]})}render(){super.render();for(const e of this._focusables)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createUrlInputView(){const e=this.locale,t=e.t,i=new k.KP(e,k.R);return i.bind("label").to(this,"isImageSelected",(e=>t(e?"Update image URL":"Insert image via URL"))),i.bind("isEnabled").to(this),i.fieldView.placeholder="https://example.com/image.png",i.fieldView.bind("value").to(this,"imageURLInputValue",(e=>e||"")),i.fieldView.on("input",(()=>{this.imageURLInputValue=i.fieldView.element.value.trim()})),i}_createInsertButton(){const e=this.locale,t=e.t,i=new k.r5(e);return i.set({icon:n.icons.check,class:"ck-button-save",type:"submit",withText:!0}),i.bind("label").to(this,"isImageSelected",(e=>t(e?"Update":"Insert"))),i.bind("isEnabled").to(this,"imageURLInputValue",this,"isEnabled",((...e)=>e.every((e=>e)))),i.delegate("execute").to(this,"submit"),i}_createCancelButton(){const e=this.locale,t=e.t,i=new k.r5(e);return i.set({label:t("Cancel"),icon:n.icons.cancel,class:"ck-button-cancel",withText:!0}),i.bind("isEnabled").to(this),i.delegate("execute").to(this,"cancel"),i}focus(e){-1===e?this.focusCycler.focusLast():this.focusCycler.focusFirst()}}class de extends n.Sy{static get pluginName(){return"ImageInsertViaUrlUI"}static get requires(){return[F]}init(){this._imageInsertUI=this.editor.plugins.get("ImageInsertUI");const e=this.editor.commands.get("insertImage");this._imageInsertUI.registerIntegration({name:"url",observable:e,requiresForm:!0,buttonViewCreator:e=>this._createInsertUrlButton(e),formViewCreator:e=>this._createInsertUrlView(e)})}_createInsertUrlView(e){const t=this.editor,i=t.locale,n=i.t,o=t.commands.get("replaceImageSource"),s=t.commands.get("insertImage"),r=new ce(i),a=e?null:new k.p2(i,[r]);return r.bind("isImageSelected").to(this._imageInsertUI),r.bind("isEnabled").toMany([s,o],"isEnabled",((...e)=>e.some((e=>e)))),r.imageURLInputValue=o.value||"",this._imageInsertUI.dropdownView.on("change:isOpen",(()=>{this._imageInsertUI.dropdownView.isOpen&&(r.imageURLInputValue=o.value||"",a&&(a.isCollapsed=!0))}),{priority:"low"}),r.on("submit",(()=>{o.isEnabled?t.execute("replaceImageSource",{source:r.imageURLInputValue}):t.execute("insertImage",{source:r.imageURLInputValue}),this._closePanel()})),r.on("cancel",(()=>this._closePanel())),a?(a.set({isCollapsed:!0}),a.bind("label").to(this._imageInsertUI,"isImageSelected",(e=>n(e?"Update image URL":"Insert image via URL"))),a):r}_createInsertUrlButton(e){const t=e?k.J0:k.r5,i=this.editor,o=new t(i.locale),s=i.locale.t;return o.set({icon:n.icons.imageUrl,tooltip:!0}),o.bind("label").to(this._imageInsertUI,"isImageSelected",(e=>s(e?"Update image URL":"Insert image via URL"))),o}_closePanel(){this.editor.editing.view.focus(),this._imageInsertUI.dropdownView.isOpen=!1}}class he extends n.Sy{static get pluginName(){return"ImageInsertViaUrl"}static get requires(){return[de,F]}}class ue extends n.Sy{static get pluginName(){return"ImageInsert"}static get requires(){return[le,he,F]}}class me extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageUtils").getClosestSelectedImageElement(e.model.document.selection);this.isEnabled=!!t,t&&t.hasAttribute("resizedWidth")?this.value={width:t.getAttribute("resizedWidth"),height:null}:this.value=null}execute(e){const t=this.editor,i=t.model,n=t.plugins.get("ImageUtils"),o=n.getClosestSelectedImageElement(i.document.selection);this.value={width:e.width,height:null},o&&i.change((t=>{t.setAttribute("resizedWidth",e.width,o),t.removeAttribute("resizedHeight",o),n.setImageNaturalSizeAttributes(o)}))}}class ge extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageResizeEditing"}constructor(e){super(e),e.config.define("image",{resizeUnit:"%",resizeOptions:[{name:"resizeImage:original",value:null,icon:"original"},{name:"resizeImage:25",value:"25",icon:"small"},{name:"resizeImage:50",value:"50",icon:"medium"},{name:"resizeImage:75",value:"75",icon:"large"}]})}init(){const e=this.editor,t=new me(e);this._registerSchema(),this._registerConverters("imageBlock"),this._registerConverters("imageInline"),e.commands.add("resizeImage",t),e.commands.add("imageResize",t)}_registerSchema(){this.editor.plugins.has("ImageBlockEditing")&&this.editor.model.schema.extend("imageBlock",{allowAttributes:["resizedWidth","resizedHeight"]}),this.editor.plugins.has("ImageInlineEditing")&&this.editor.model.schema.extend("imageInline",{allowAttributes:["resizedWidth","resizedHeight"]})}_registerConverters(e){const t=this.editor,i=t.plugins.get("ImageUtils");t.conversion.for("downcast").add((t=>t.on(`attribute:resizedWidth:${e}`,((e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewElement(t.item);null!==t.attributeNewValue?(n.setStyle("width",t.attributeNewValue,o),n.addClass("image_resized",o)):(n.removeStyle("width",o),n.removeClass("image_resized",o))})))),t.conversion.for("dataDowncast").attributeToAttribute({model:{name:e,key:"resizedHeight"},view:e=>({key:"style",value:{height:e}})}),t.conversion.for("editingDowncast").add((t=>t.on(`attribute:resizedHeight:${e}`,((t,n,o)=>{if(!o.consumable.consume(n.item,t.name))return;const s=o.writer,r=o.mapper.toViewElement(n.item),a="imageInline"===e?i.findViewImgElement(r):r;null!==n.attributeNewValue?s.setStyle("height",n.attributeNewValue,a):s.removeStyle("height",a)})))),t.conversion.for("upcast").attributeToAttribute({view:{name:"imageBlock"===e?"figure":"img",styles:{width:/.+/}},model:{key:"resizedWidth",value:e=>g(e)?null:e.getStyle("width")}}),t.conversion.for("upcast").attributeToAttribute({view:{name:"imageBlock"===e?"figure":"img",styles:{height:/.+/}},model:{key:"resizedHeight",value:e=>g(e)?null:e.getStyle("height")}})}}const fe={small:n.icons.objectSizeSmall,medium:n.icons.objectSizeMedium,large:n.icons.objectSizeLarge,original:n.icons.objectSizeFull};class pe extends n.Sy{static get requires(){return[ge]}static get pluginName(){return"ImageResizeButtons"}constructor(e){super(e),this._resizeUnit=e.config.get("image.resizeUnit")}init(){const e=this.editor,t=e.config.get("image.resizeOptions"),i=e.commands.get("resizeImage");this.bind("isEnabled").to(i);for(const e of t)this._registerImageResizeButton(e);this._registerImageResizeDropdown(t)}_registerImageResizeButton(e){const t=this.editor,{name:i,value:n,icon:o}=e,s=n?n+this._resizeUnit:null;t.ui.componentFactory.add(i,(i=>{const n=new k.r5(i),r=t.commands.get("resizeImage"),a=this._getOptionLabelValue(e,!0);if(!fe[o])throw new l.Bb("imageresizebuttons-missing-icon",t,e);return n.set({label:a,icon:fe[o],tooltip:a,isToggleable:!0}),n.bind("isEnabled").to(this),n.bind("isOn").to(r,"value",be(s)),this.listenTo(n,"execute",(()=>{t.execute("resizeImage",{width:s})})),n}))}_registerImageResizeDropdown(e){const t=this.editor,i=t.t,n=e.find((e=>!e.value)),o=o=>{const s=t.commands.get("resizeImage"),r=(0,k.t9)(o,k.J0),a=r.buttonView,l=i("Resize image");return a.set({tooltip:l,commandValue:n.value,icon:fe.medium,isToggleable:!0,label:this._getOptionLabelValue(n),withText:!0,class:"ck-resize-image-button",ariaLabel:l,ariaLabelledBy:void 0}),a.bind("label").to(s,"value",(e=>e&&e.width?e.width:this._getOptionLabelValue(n))),r.bind("isEnabled").to(this),(0,k.Pm)(r,(()=>this._getResizeDropdownListItemDefinitions(e,s)),{ariaLabel:i("Image resize list"),role:"menu"}),this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{width:e.source.commandValue}),t.editing.view.focus()})),r};t.ui.componentFactory.add("resizeImage",o),t.ui.componentFactory.add("imageResize",o)}_getOptionLabelValue(e,t=!1){const i=this.editor.t;return e.label?e.label:t?e.value?i("Resize image to %0",e.value+this._resizeUnit):i("Resize image to the original size"):e.value?e.value+this._resizeUnit:i("Original")}_getResizeDropdownListItemDefinitions(e,t){const i=new l.FE;return e.map((e=>{const n=e.value?e.value+this._resizeUnit:null,o={type:"button",model:new k.jz({commandName:"resizeImage",commandValue:n,label:this._getOptionLabelValue(e),role:"menuitemradio",withText:!0,icon:null})};o.model.bind("isOn").to(t,"value",be(n)),i.add(o)})),i}}function be(e){return t=>null===e&&t===e||null!==t&&t.width===e}const we="image_resized";class ve extends n.Sy{static get requires(){return[c.WR,p]}static get pluginName(){return"ImageResizeHandles"}init(){const e=this.editor.commands.get("resizeImage");this.bind("isEnabled").to(e),this._setupResizerCreator()}_setupResizerCreator(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageUtils");t.addObserver(P),this.listenTo(t.document,"imageLoaded",((n,o)=>{if(!o.target.matches("figure.image.ck-widget > img,figure.image.ck-widget > picture > img,figure.image.ck-widget > a > img,figure.image.ck-widget > a > picture > img,span.image-inline.ck-widget > img,span.image-inline.ck-widget > picture > img"))return;const s=e.editing.view.domConverter,r=s.domToView(o.target),a=i.getImageWidgetFromImageView(r);let l=this.editor.plugins.get(c.WR).getResizerByViewElement(a);if(l)return void l.redraw();const d=e.editing.mapper,h=d.toModelElement(a);l=e.plugins.get(c.WR).attachTo({unit:e.config.get("image.resizeUnit"),modelElement:h,viewElement:a,editor:e,getHandleHost:e=>e.querySelector("img"),getResizeHost:()=>s.mapViewToDom(d.toViewElement(h.parent)),isCentered(){const e=h.getAttribute("imageStyle");return!e||"block"==e||"alignCenter"==e},onCommit(i){t.change((e=>{e.removeClass(we,a)})),e.execute("resizeImage",{width:i})}}),l.on("updateSize",(()=>{a.hasClass(we)||t.change((e=>{e.addClass(we,a)}));const e="imageInline"===h.name?r:a;e.getStyle("height")&&t.change((t=>{t.removeStyle("height",e)}))})),l.bind("isEnabled").to(this)}))}}class _e extends n.Sy{static get requires(){return[ge,ve,pe]}static get pluginName(){return"ImageResize"}}class ye extends n.mY{constructor(e,t){super(e),this._defaultStyles={imageBlock:!1,imageInline:!1},this._styles=new Map(t.map((e=>{if(e.isDefault)for(const t of e.modelElements)this._defaultStyles[t]=e.name;return[e.name,e]})))}refresh(){const e=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!e,this.isEnabled?e.hasAttribute("imageStyle")?this.value=e.getAttribute("imageStyle"):this.value=this._defaultStyles[e.name]:this.value=!1}execute(e={}){const t=this.editor,i=t.model,n=t.plugins.get("ImageUtils");i.change((t=>{const o=e.value,{setImageSizes:s=!0}=e;let r=n.getClosestSelectedImageElement(i.document.selection);o&&this.shouldConvertImageType(o,r)&&(this.editor.execute(n.isBlockImage(r)?"imageTypeInline":"imageTypeBlock",{setImageSizes:s}),r=n.getClosestSelectedImageElement(i.document.selection)),!o||this._styles.get(o).isDefault?t.removeAttribute("imageStyle",r):t.setAttribute("imageStyle",o,r),s&&n.setImageNaturalSizeAttributes(r)}))}shouldConvertImageType(e,t){return!this._styles.get(e).modelElements.includes(t.name)}}const{objectFullWidth:ke,objectInline:Ce,objectLeft:Ae,objectRight:Ee,objectCenter:xe,objectBlockLeft:Te,objectBlockRight:Se}=n.icons,Pe={get inline(){return{name:"inline",title:"In line",icon:Ce,modelElements:["imageInline"],isDefault:!0}},get alignLeft(){return{name:"alignLeft",title:"Left aligned image",icon:Ae,modelElements:["imageBlock","imageInline"],className:"image-style-align-left"}},get alignBlockLeft(){return{name:"alignBlockLeft",title:"Left aligned image",icon:Te,modelElements:["imageBlock"],className:"image-style-block-align-left"}},get alignCenter(){return{name:"alignCenter",title:"Centered image",icon:xe,modelElements:["imageBlock"],className:"image-style-align-center"}},get alignRight(){return{name:"alignRight",title:"Right aligned image",icon:Ee,modelElements:["imageBlock","imageInline"],className:"image-style-align-right"}},get alignBlockRight(){return{name:"alignBlockRight",title:"Right aligned image",icon:Se,modelElements:["imageBlock"],className:"image-style-block-align-right"}},get block(){return{name:"block",title:"Centered image",icon:xe,modelElements:["imageBlock"],isDefault:!0}},get side(){return{name:"side",title:"Side image",icon:Ee,modelElements:["imageBlock"],className:"image-style-side"}}},Ie={full:ke,left:Te,right:Se,center:xe,inlineLeft:Ae,inlineRight:Ee,inline:Ce},Ve=[{name:"imageStyle:wrapText",title:"Wrap text",defaultItem:"imageStyle:alignLeft",items:["imageStyle:alignLeft","imageStyle:alignRight"]},{name:"imageStyle:breakText",title:"Break text",defaultItem:"imageStyle:block",items:["imageStyle:alignBlockLeft","imageStyle:block","imageStyle:alignBlockRight"]}];function Re(e){(0,l.KE)("image-style-configuration-definition-invalid",e)}const Oe={normalizeStyles:function(e){return(e.configuredStyles.options||[]).map((e=>{return"string"==typeof(t="string"==typeof(t=e)?Pe[t]?{...Pe[t]}:{name:t}:function(e,t){const i={...t};for(const n in e)Object.prototype.hasOwnProperty.call(t,n)||(i[n]=e[n]);return i}(Pe[t.name],t)).icon&&(t.icon=Ie[t.icon]||t.icon),t;var t})).filter((t=>function(e,{isBlockPluginLoaded:t,isInlinePluginLoaded:i}){const{modelElements:n,name:o}=e;if(!(n&&n.length&&o))return Re({style:e}),!1;{const o=[t?"imageBlock":null,i?"imageInline":null];if(!n.some((e=>o.includes(e))))return(0,l.KE)("image-style-missing-dependency",{style:e,missingPlugins:n.map((e=>"imageBlock"===e?"ImageBlockEditing":"ImageInlineEditing"))}),!1}return!0}(t,e)))},getDefaultStylesConfiguration:function(e,t){return e&&t?{options:["inline","alignLeft","alignRight","alignCenter","alignBlockLeft","alignBlockRight","block","side"]}:e?{options:["block","side"]}:t?{options:["inline","alignLeft","alignRight"]}:{}},getDefaultDropdownDefinitions:function(e){return e.has("ImageBlockEditing")&&e.has("ImageInlineEditing")?[...Ve]:[]},warnInvalidStyle:Re,DEFAULT_OPTIONS:Pe,DEFAULT_ICONS:Ie,DEFAULT_DROPDOWN_DEFINITIONS:Ve};function Be(e,t){for(const i of t)if(i.name===e)return i}class Me extends n.Sy{static get pluginName(){return"ImageStyleEditing"}static get requires(){return[p]}init(){const{normalizeStyles:e,getDefaultStylesConfiguration:t}=Oe,i=this.editor,n=i.plugins.has("ImageBlockEditing"),o=i.plugins.has("ImageInlineEditing");i.config.define("image.styles",t(n,o)),this.normalizedStyles=e({configuredStyles:i.config.get("image.styles"),isBlockPluginLoaded:n,isInlinePluginLoaded:o}),this._setupConversion(n,o),this._setupPostFixer(),i.commands.add("imageStyle",new ye(i,this.normalizedStyles))}_setupConversion(e,t){const i=this.editor,n=i.model.schema,o=(s=this.normalizedStyles,(e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=Be(t.attributeNewValue,s),o=Be(t.attributeOldValue,s),r=i.mapper.toViewElement(t.item),a=i.writer;o&&a.removeClass(o.className,r),n&&a.addClass(n.className,r)});var s;const r=function(e){const t={imageInline:e.filter((e=>!e.isDefault&&e.modelElements.includes("imageInline"))),imageBlock:e.filter((e=>!e.isDefault&&e.modelElements.includes("imageBlock")))};return(e,i,n)=>{if(!i.modelRange)return;const o=i.viewItem,s=(0,l.Ps)(i.modelRange.getItems());if(s&&n.schema.checkAttribute(s,"imageStyle"))for(const e of t[s.name])n.consumable.consume(o,{classes:e.className})&&n.writer.setAttribute("imageStyle",e.name,s)}}(this.normalizedStyles);i.editing.downcastDispatcher.on("attribute:imageStyle",o),i.data.downcastDispatcher.on("attribute:imageStyle",o),e&&(n.extend("imageBlock",{allowAttributes:"imageStyle"}),i.data.upcastDispatcher.on("element:figure",r,{priority:"low"})),t&&(n.extend("imageInline",{allowAttributes:"imageStyle"}),i.data.upcastDispatcher.on("element:img",r,{priority:"low"}))}_setupPostFixer(){const e=this.editor,t=e.model.document,i=e.plugins.get(p),n=new Map(this.normalizedStyles.map((e=>[e.name,e])));t.registerPostFixer((e=>{let o=!1;for(const s of t.differ.getChanges())if("insert"==s.type||"attribute"==s.type&&"imageStyle"==s.attributeKey){let t="insert"==s.type?s.position.nodeAfter:s.range.start.nodeAfter;if(t&&t.is("element","paragraph")&&t.childCount>0&&(t=t.getChild(0)),!i.isImage(t))continue;const r=t.getAttribute("imageStyle");if(!r)continue;const a=n.get(r);a&&a.modelElements.includes(t.name)||(e.removeAttribute("imageStyle",t),o=!0)}return o}))}}var Le=i(7226),De=i(9203);class Ne extends n.Sy{static get requires(){return[Me]}static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Wrap text":e("Wrap text"),"Break text":e("Break text"),"In line":e("In line"),"Full size image":e("Full size image"),"Side image":e("Side image"),"Left aligned image":e("Left aligned image"),"Centered image":e("Centered image"),"Right aligned image":e("Right aligned image")}}init(){const e=this.editor.plugins,t=this.editor.config.get("image.toolbar")||[],i=Fe(e.get("ImageStyleEditing").normalizedStyles,this.localizedDefaultStylesTitles);for(const e of i)this._createButton(e);const n=Fe([...t.filter(Le.Z),...Oe.getDefaultDropdownDefinitions(e)],this.localizedDefaultStylesTitles);for(const e of n)this._createDropdown(e,i)}_createDropdown(e,t){const i=this.editor.ui.componentFactory;i.add(e.name,(n=>{let o;const{defaultItem:s,items:r,title:a}=e,l=r.filter((e=>t.find((({name:t})=>ze(t)===e)))).map((e=>{const t=i.create(e);return e===s&&(o=t),t}));r.length!==l.length&&Oe.warnInvalidStyle({dropdown:e});const c=(0,k.t9)(n,k.Rm),d=c.buttonView,h=d.arrowView;return(0,k.up)(c,l,{enableActiveItemFocusOnDropdownOpen:!0}),d.set({label:We(a,o.label),class:null,tooltip:!0}),h.unbind("label"),h.set({label:a}),d.bind("icon").toMany(l,"isOn",((...e)=>{const t=e.findIndex(De.Z);return t<0?o.icon:l[t].icon})),d.bind("label").toMany(l,"isOn",((...e)=>{const t=e.findIndex(De.Z);return We(a,t<0?o.label:l[t].label)})),d.bind("isOn").toMany(l,"isOn",((...e)=>e.some(De.Z))),d.bind("class").toMany(l,"isOn",((...e)=>e.some(De.Z)?"ck-splitbutton_flatten":void 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pluginName(){return"ImageToolbar"}afterInit(){const e=this.editor,t=e.t,i=e.plugins.get(c.e8),n=e.plugins.get("ImageUtils");var o;i.register("image",{ariaLabel:t("Image toolbar"),items:(o=e.config.get("image.toolbar")||[],o.map((e=>(0,Le.Z)(e)?e.name:e))),getRelatedElement:e=>n.getClosestSelectedImageWidget(e)})}}class je extends n.Sy{static get requires(){return[R,p]}static get pluginName(){return"PictureEditing"}afterInit(){const e=this.editor;e.plugins.has("ImageBlockEditing")&&e.model.schema.extend("imageBlock",{allowAttributes:["sources"]}),e.plugins.has("ImageInlineEditing")&&e.model.schema.extend("imageInline",{allowAttributes:["sources"]}),this._setupConversion(),this._setupImageUploadEditingIntegration()}_setupConversion(){const e=this.editor,t=e.conversion,i=e.plugins.get("ImageUtils");t.for("upcast").add(function(e){const t=["srcset","media","type","sizes"],i=(i,n,o)=>{const s=n.viewItem;if(!o.consumable.test(s,{name:!0}))return;const r=new Map;for(const e of s.getChildren())if(e.is("element","source")){const i={};for(const n of t)e.hasAttribute(n)&&o.consumable.test(e,{attributes:n})&&(i[n]=e.getAttribute(n));Object.keys(i).length&&r.set(e,i)}const a=e.findViewImgElement(s);if(!a)return;let c=n.modelCursor.parent;if(!c.is("element","imageBlock")){const e=o.convertItem(a,n.modelCursor);n.modelRange=e.modelRange,n.modelCursor=e.modelCursor,c=(0,l.Ps)(e.modelRange.getItems())}o.consumable.consume(s,{name:!0});for(const[e,t]of r)o.consumable.consume(e,{attributes:Object.keys(t)});r.size&&o.writer.setAttribute("sources",Array.from(r.values()),c),o.convertChildren(s,c)};return e=>{e.on("element:picture",i)}}(i)),t.for("downcast").add(function(e){const t=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s),a=i.attributeNewValue;if(a&&a.length){const e=o.createContainerElement("picture",null,a.map((e=>o.createEmptyElement("source",e)))),t=[];let i=r.parent;for(;i&&i.is("attributeElement");){const e=i.parent;o.unwrap(o.createRangeOn(r),i),t.unshift(i),i=e}o.insert(o.createPositionBefore(r),e),o.move(o.createRangeOn(r),o.createPositionAt(e,"end"));for(const i of t)o.wrap(o.createRangeOn(e),i)}else if(r.parent.is("element","picture")){const e=r.parent;o.move(o.createRangeOn(r),o.createPositionBefore(e)),o.remove(e)}};return e=>{e.on("attribute:sources:imageBlock",t),e.on("attribute:sources:imageInline",t)}}(i))}_setupImageUploadEditingIntegration(){const e=this.editor;if(!e.plugins.has("ImageUploadEditing"))return;const t=e.plugins.get("ImageUploadEditing");this.listenTo(t,"uploadComplete",((t,{imageElement:i,data:n})=>{const o=n.sources;o&&e.model.change((e=>{e.setAttributes({sources:o},i)}))}))}}},8873:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Indent:()=>a,IndentBlock:()=>g,IndentEditing:()=>o,IndentUI:()=>r});var n=i(7050);class o extends n.Sy{static get pluginName(){return"IndentEditing"}init(){const e=this.editor;e.commands.add("indent",new n.AJ(e)),e.commands.add("outdent",new n.AJ(e))}}var s=i(6530);class r extends n.Sy{static get pluginName(){return"IndentUI"}init(){const e=this.editor,t=e.locale,i=e.t,o="ltr"==t.uiLanguageDirection?n.icons.indent:n.icons.outdent,s="ltr"==t.uiLanguageDirection?n.icons.outdent:n.icons.indent;this._defineButton("indent",i("Increase indent"),o),this._defineButton("outdent",i("Decrease indent"),s)}_defineButton(e,t,i){const n=this.editor;n.ui.componentFactory.add(e,(o=>{const r=n.commands.get(e),a=new s.r5(o);return a.set({label:t,icon:i,tooltip:!0}),a.bind("isEnabled").to(r,"isEnabled"),this.listenTo(a,"execute",(()=>{n.execute(e),n.editing.view.focus()})),a}))}}class a extends n.Sy{static get pluginName(){return"Indent"}static get requires(){return[o,r]}}var l=i(7422),c=i(5608);class d extends n.mY{constructor(e,t){super(e),this._indentBehavior=t}refresh(){const e=this.editor.model,t=(0,c.Ps)(e.document.selection.getSelectedBlocks());t&&this._isIndentationChangeAllowed(t)?this.isEnabled=this._indentBehavior.checkEnabled(t.getAttribute("blockIndent")):this.isEnabled=!1}execute(){const e=this.editor.model,t=this._getBlocksToChange();e.change((e=>{for(const i of t){const t=i.getAttribute("blockIndent"),n=this._indentBehavior.getNextIndent(t);n?e.setAttribute("blockIndent",n,i):e.removeAttribute("blockIndent",i)}}))}_getBlocksToChange(){const e=this.editor.model.document.selection;return Array.from(e.getSelectedBlocks()).filter((e=>this._isIndentationChangeAllowed(e)))}_isIndentationChangeAllowed(e){const t=this.editor;return!!t.model.schema.checkAttribute(e,"blockIndent")&&(!t.plugins.has("ListUtils")||(!this._indentBehavior.isForward||!t.plugins.get("ListUtils").isListItemBlock(e)))}}class h{constructor(e){this.isForward="forward"===e.direction,this.offset=e.offset,this.unit=e.unit}checkEnabled(e){const t=parseFloat(e||"0");return this.isForward||t>0}getNextIndent(e){const t=parseFloat(e||"0");if(e&&!e.endsWith(this.unit))return this.isForward?this.offset+this.unit:void 0;const i=t+(this.isForward?this.offset:-this.offset);return i>0?i+this.unit:void 0}}class u{constructor(e){this.isForward="forward"===e.direction,this.classes=e.classes}checkEnabled(e){const t=this.classes.indexOf(e);return this.isForward?t=0}getNextIndent(e){const t=this.classes.indexOf(e),i=this.isForward?1:-1;return this.classes[t+i]}}const m=["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"];class g extends n.Sy{constructor(e){super(e),e.config.define("indentBlock",{offset:40,unit:"px"})}static get pluginName(){return"IndentBlock"}init(){const e=this.editor,t=e.config.get("indentBlock");t.classes&&t.classes.length?(this._setupConversionUsingClasses(t.classes),e.commands.add("indentBlock",new d(e,new u({direction:"forward",classes:t.classes}))),e.commands.add("outdentBlock",new d(e,new u({direction:"backward",classes:t.classes})))):(e.data.addStyleProcessorRules(l.vt),this._setupConversionUsingOffset(),e.commands.add("indentBlock",new d(e,new h({direction:"forward",offset:t.offset,unit:t.unit}))),e.commands.add("outdentBlock",new d(e,new h({direction:"backward",offset:t.offset,unit:t.unit}))))}afterInit(){const e=this.editor,t=e.model.schema,i=e.commands.get("indent"),n=e.commands.get("outdent"),o=e.config.get("heading.options");(o&&o.map((e=>e.model))||m).forEach((e=>{t.isRegistered(e)&&t.extend(e,{allowAttributes:"blockIndent"})})),t.setAttributeProperties("blockIndent",{isFormatting:!0}),i.registerChildCommand(e.commands.get("indentBlock")),n.registerChildCommand(e.commands.get("outdentBlock"))}_setupConversionUsingOffset(){const e=this.editor.conversion,t="rtl"===this.editor.locale.contentLanguageDirection?"margin-right":"margin-left";e.for("upcast").attributeToAttribute({view:{styles:{[t]:/[\s\S]+/}},model:{key:"blockIndent",value:e=>{if(!e.is("element","li"))return e.getStyle(t)}}}),e.for("downcast").attributeToAttribute({model:"blockIndent",view:e=>({key:"style",value:{[t]:e}})})}_setupConversionUsingClasses(e){const t={model:{key:"blockIndent",values:[]},view:{}};for(const i of e)t.model.values.push(i),t.view[i]={key:"class",value:[i]};this.editor.conversion.attributeToAttribute(t)}}},2519:(e,t,i)=>{"use strict";i.r(t),i.d(t,{AutoLink:()=>ee,Link:()=>ie,LinkCommand:()=>D,LinkEditing:()=>U,LinkImage:()=>ae,LinkImageEditing:()=>ne,LinkImageUI:()=>re,LinkUI:()=>Y,UnlinkCommand:()=>F});var n=i(7050),o=i(4663),s=i(8598),r=i(5608);class a{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(e){Array.isArray(e)?e.forEach((e=>this._definitions.add(e))):this._definitions.add(e)}getDispatcher(){return e=>{e.on("attribute:linkHref",((e,t,i)=>{if(!i.consumable.test(t.item,"attribute:linkHref"))return;if(!t.item.is("selection")&&!i.schema.isInline(t.item))return;const n=i.writer,o=n.document.selection;for(const e of this._definitions){const s=n.createAttributeElement("a",e.attributes,{priority:5});e.classes&&n.addClass(e.classes,s);for(const t in e.styles)n.setStyle(t,e.styles[t],s);n.setCustomProperty("link",!0,s),e.callback(t.attributeNewValue)?t.item.is("selection")?n.wrap(o.getFirstRange(),s):n.wrap(i.mapper.toViewRange(t.range),s):n.unwrap(i.mapper.toViewRange(t.range),s)}}),{priority:"high"})}}getDispatcherForLinkedImage(){return e=>{e.on("attribute:linkHref:imageBlock",((e,t,{writer:i,mapper:n})=>{const o=n.toViewElement(t.item),s=Array.from(o.getChildren()).find((e=>e.is("element","a")));for(const e of this._definitions){const n=(0,r.qL)(e.attributes);if(e.callback(t.attributeNewValue)){for(const[e,t]of n)"class"===e?i.addClass(t,s):i.setAttribute(e,t,s);e.classes&&i.addClass(e.classes,s);for(const t in e.styles)i.setStyle(t,e.styles[t],s)}else{for(const[e,t]of n)"class"===e?i.removeClass(t,s):i.removeAttribute(e,s);e.classes&&i.removeClass(e.classes,s);for(const t in e.styles)i.removeStyle(t,s)}}}))}}}var l=i(7855);var c=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");const d=function(e){return c.test(e)};var h="\\ud800-\\udfff",u="["+h+"]",m="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",g="\\ud83c[\\udffb-\\udfff]",f="[^"+h+"]",p="(?:\\ud83c[\\udde6-\\uddff]){2}",b="[\\ud800-\\udbff][\\udc00-\\udfff]",w="(?:"+m+"|"+g+")?",v="[\\ufe0e\\ufe0f]?",_=v+w+"(?:\\u200d(?:"+[f,p,b].join("|")+")"+v+w+")*",y="(?:"+[f+m+"?",m,p,b,u].join("|")+")",k=RegExp(g+"(?="+g+")|"+y+_,"g");const C=function(e){return d(e)?function(e){return e.match(k)||[]}(e):function(e){return e.split("")}(e)};var A=i(9939);const E=function(e){e=(0,A.Z)(e);var t,i,n,o,s=d(e)?C(e):void 0,r=s?s[0]:e.charAt(0),a=s?(t=s,i=1,o=t.length,n=void 0===n?o:n,!i&&n>=o?t:(0,l.Z)(t,i,n)).join(""):e.slice(1);return r.toUpperCase()+a},x=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,T=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,S=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,P=/^((\w+:(\/{2,})?)|(\W))/i,I="Ctrl+K";function V(e,{writer:t}){const i=t.createAttributeElement("a",{href:e},{priority:5});return t.setCustomProperty("link",!0,i),i}function R(e){const t=String(e);return function(e){return!!e.replace(x,"").match(T)}(t)?t:"#"}function O(e,t){return!!e&&t.checkAttribute(e.name,"linkHref")}function B(e,t){const i=(n=e,S.test(n)?"mailto:":t);var n;const o=!!i&&!M(e);return e&&o?i+e:e}function M(e){return P.test(e)}function L(e){window.open(e,"_blank","noopener")}class D extends n.mY{constructor(){super(...arguments),this.manualDecorators=new r.FE,this.automaticDecorators=new a}restoreManualDecoratorStates(){for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}refresh(){const e=this.editor.model,t=e.document.selection,i=t.getSelectedElement()||(0,r.Ps)(t.getSelectedBlocks());O(i,e.schema)?(this.value=i.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttribute(i,"linkHref")):(this.value=t.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref"));for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}execute(e,t={}){const i=this.editor.model,n=i.document.selection,s=[],a=[];for(const e in t)t[e]?s.push(e):a.push(e);i.change((t=>{if(n.isCollapsed){const l=n.getFirstPosition();if(n.hasAttribute("linkHref")){const r=N(n);let c=(0,o.VD)(l,"linkHref",n.getAttribute("linkHref"),i);n.getAttribute("linkHref")===r&&(c=this._updateLinkContent(i,t,c,e)),t.setAttribute("linkHref",e,c),s.forEach((e=>{t.setAttribute(e,!0,c)})),a.forEach((e=>{t.removeAttribute(e,c)})),t.setSelection(t.createPositionAfter(c.end.nodeBefore))}else if(""!==e){const o=(0,r.qL)(n.getAttributes());o.set("linkHref",e),s.forEach((e=>{o.set(e,!0)}));const{end:a}=i.insertContent(t.createText(e,o),l);t.setSelection(a)}["linkHref",...s,...a].forEach((e=>{t.removeSelectionAttribute(e)}))}else{const o=i.schema.getValidRanges(n.getRanges(),"linkHref"),r=[];for(const e of n.getSelectedBlocks())i.schema.checkAttribute(e,"linkHref")&&r.push(t.createRangeOn(e));const l=r.slice();for(const e of o)this._isRangeToUpdate(e,r)&&l.push(e);for(const o of l){let r=o;if(1===l.length){const s=N(n);n.getAttribute("linkHref")===s&&(r=this._updateLinkContent(i,t,o,e),t.setSelection(t.createSelection(r)))}t.setAttribute("linkHref",e,r),s.forEach((e=>{t.setAttribute(e,!0,r)})),a.forEach((e=>{t.removeAttribute(e,r)}))}}}))}_getDecoratorStateFromModel(e){const t=this.editor.model,i=t.document.selection,n=i.getSelectedElement();return O(n,t.schema)?n.getAttribute(e):i.getAttribute(e)}_isRangeToUpdate(e,t){for(const i of t)if(i.containsRange(e))return!1;return!0}_updateLinkContent(e,t,i,n){const o=t.createText(n,{linkHref:n});return e.insertContent(o,i)}}function N(e){if(e.isCollapsed){const t=e.getFirstPosition();return t.textNode&&t.textNode.data}{const t=Array.from(e.getFirstRange().getItems());if(t.length>1)return null;const i=t[0];return i.is("$text")||i.is("$textProxy")?i.data:null}}class F extends n.mY{refresh(){const e=this.editor.model,t=e.document.selection,i=t.getSelectedElement();O(i,e.schema)?this.isEnabled=e.schema.checkAttribute(i,"linkHref"):this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref")}execute(){const e=this.editor,t=this.editor.model,i=t.document.selection,n=e.commands.get("link");t.change((e=>{const s=i.isCollapsed?[(0,o.VD)(i.getFirstPosition(),"linkHref",i.getAttribute("linkHref"),t)]:t.schema.getValidRanges(i.getRanges(),"linkHref");for(const t of s)if(e.removeAttribute("linkHref",t),n)for(const i of n.manualDecorators)e.removeAttribute(i.id,t)}))}}class z extends((0,r.Re)()){constructor({id:e,label:t,attributes:i,classes:n,styles:o,defaultValue:s}){super(),this.id=e,this.set("value",void 0),this.defaultValue=s,this.label=t,this.attributes=i,this.classes=n,this.styles=o}_createPattern(){return{attributes:this.attributes,classes:this.classes,styles:this.styles}}}const W="automatic",H=/^(https?:)?\/\//;class U extends n.Sy{static get pluginName(){return"LinkEditing"}static get requires(){return[o.mh,o.II,s._l]}constructor(e){super(e),e.config.define("link",{allowCreatingEmptyLinks:!1,addTargetToExternalLinks:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"linkHref"}),e.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:V}),e.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(e,t)=>V(R(e),t)}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:e=>e.getAttribute("href")}}),e.commands.add("link",new D(e)),e.commands.add("unlink",new F(e));const t=function(e,t){const i={"Open in a new tab":e("Open in a new tab"),Downloadable:e("Downloadable")};return t.forEach((e=>("label"in e&&i[e.label]&&(e.label=i[e.label]),e))),t}(e.t,function(e){const t=[];if(e)for(const[i,n]of Object.entries(e)){const e=Object.assign({},n,{id:`link${E(i)}`});t.push(e)}return t}(e.config.get("link.decorators")));this._enableAutomaticDecorators(t.filter((e=>e.mode===W))),this._enableManualDecorators(t.filter((e=>"manual"===e.mode))),e.plugins.get(o.mh).registerAttribute("linkHref"),(0,o.Im)(e,"linkHref","a","ck-link_selected"),this._enableLinkOpen(),this._enableSelectionAttributesFixer(),this._enableClipboardIntegration()}_enableAutomaticDecorators(e){const t=this.editor,i=t.commands.get("link").automaticDecorators;t.config.get("link.addTargetToExternalLinks")&&i.add({id:"linkIsExternal",mode:W,callback:e=>!!e&&H.test(e),attributes:{target:"_blank",rel:"noopener noreferrer"}}),i.add(e),i.length&&t.conversion.for("downcast").add(i.getDispatcher())}_enableManualDecorators(e){if(!e.length)return;const t=this.editor,i=t.commands.get("link").manualDecorators;e.forEach((e=>{t.model.schema.extend("$text",{allowAttributes:e.id});const n=new z(e);i.add(n),t.conversion.for("downcast").attributeToElement({model:n.id,view:(e,{writer:t,schema:i},{item:o})=>{if((o.is("selection")||i.isInline(o))&&e){const e=t.createAttributeElement("a",n.attributes,{priority:5});n.classes&&t.addClass(n.classes,e);for(const i in n.styles)t.setStyle(i,n.styles[i],e);return t.setCustomProperty("link",!0,e),e}}}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",...n._createPattern()},model:{key:n.id}})}))}_enableLinkOpen(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",((e,t)=>{if(!(r.OB.isMac?t.domEvent.metaKey:t.domEvent.ctrlKey))return;let i=t.domTarget;if("a"!=i.tagName.toLowerCase()&&(i=i.closest("a")),!i)return;const n=i.getAttribute("href");n&&(e.stop(),t.preventDefault(),L(n))}),{context:"$capture"}),this.listenTo(t,"keydown",((t,i)=>{const n=e.commands.get("link").value;n&&i.keyCode===r.Do.enter&&i.altKey&&(t.stop(),L(n))}))}_enableSelectionAttributesFixer(){const e=this.editor.model,t=e.document.selection;this.listenTo(t,"change:attribute",((i,{attributeKeys:n})=>{n.includes("linkHref")&&!t.hasAttribute("linkHref")&&e.change((t=>{var i;!function(e,t){e.removeSelectionAttribute("linkHref");for(const i of t)e.removeSelectionAttribute(i)}(t,(i=e.schema,i.getDefinition("$text").allowAttributes.filter((e=>e.startsWith("link")))))}))}))}_enableClipboardIntegration(){const e=this.editor,t=e.model,i=this.editor.config.get("link.defaultProtocol");i&&this.listenTo(e.plugins.get("ClipboardPipeline"),"contentInsertion",((e,n)=>{t.change((e=>{const t=e.createRangeIn(n.content);for(const n of t.getItems())if(n.hasAttribute("linkHref")){const t=B(n.getAttribute("linkHref"),i);e.setAttribute("linkHref",t,n)}}))}))}}var j=i(7422),$=i(6530),Z=i(1609);class q extends $.G7{constructor(e,t){super(e),this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this._focusables=new $.vX;const i=e.t;this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(i("Save"),n.icons.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("Cancel"),n.icons.cancel,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(t),this.children=this._createFormChildren(t.manualDecorators),this._focusCycler=new $.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];t.manualDecorators.length&&o.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((e,t)=>(e[t.name]=t.isOn,e)),{})}render(){super.render(),(0,$.GI)({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new $.KP(this.locale,$.R);return t.label=e("Link URL"),t}_createButton(e,t,i,n){const o=new $.r5(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createManualDecoratorSwitches(e){const t=this.createCollection();for(const i of e.manualDecorators){const n=new $.BM(this.locale);n.set({name:i.id,label:i.label,withText:!0}),n.bind("isOn").toMany([i,e],"value",((e,t)=>void 0===t&&void 0===e?!!i.defaultValue:!!e)),n.on("execute",(()=>{i.set("value",!n.isOn)})),t.add(n)}return t}_createFormChildren(e){const t=this.createCollection();if(t.add(this.urlInputView),e.length){const e=new $.G7;e.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map((e=>({tag:"li",children:[e],attributes:{class:["ck","ck-list__item"]}}))),attributes:{class:["ck","ck-reset","ck-list"]}}),t.add(e)}return t.add(this.saveButtonView),t.add(this.cancelButtonView),t}}class K extends $.G7{constructor(e){super(e),this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this._focusables=new $.vX;const t=e.t;this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(t("Unlink"),'',"unlink"),this.editButtonView=this._createButton(t("Edit link"),n.icons.pencil,"edit"),this.set("href",void 0),this._focusCycler=new $.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createButton(e,t,i){const n=new $.r5(this.locale);return n.set({label:e,icon:t,tooltip:!0}),n.delegate("execute").to(this,i),n}_createPreviewButton(){const e=new $.r5(this.locale),t=this.bindTemplate,i=this.t;return e.set({withText:!0,tooltip:i("Open link in new tab")}),e.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:t.to("href",(e=>e&&R(e))),target:"_blank",rel:"noopener noreferrer"}}),e.bind("label").to(this,"href",(e=>e||i("This link has no URL"))),e.bind("isEnabled").to(this,"href",(e=>!!e)),e.template.tag="a",e.template.eventListeners={},e}}const G='',J="link-ui";class Y extends n.Sy{constructor(){super(...arguments),this.actionsView=null,this.formView=null}static get requires(){return[$.WB]}static get pluginName(){return"LinkUI"}init(){const e=this.editor;e.editing.view.addObserver(j.KU),this._balloon=e.plugins.get($.WB),this._createToolbarLinkButton(),this._enableBalloonActivators(),e.conversion.for("editingDowncast").markerToHighlight({model:J,view:{classes:["ck-fake-link-selection"]}}),e.conversion.for("editingDowncast").markerToElement({model:J,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView&&this.formView.destroy(),this.actionsView&&this.actionsView.destroy()}_createViews(){this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._enableUserBalloonInteractions()}_createActionsView(){const e=this.editor,t=new K(e.locale),i=e.commands.get("link"),n=e.commands.get("unlink");return t.bind("href").to(i,"value"),t.editButtonView.bind("isEnabled").to(i),t.unlinkButtonView.bind("isEnabled").to(n),this.listenTo(t,"edit",(()=>{this._addFormView()})),this.listenTo(t,"unlink",(()=>{e.execute("unlink"),this._hideUI()})),t.keystrokes.set("Esc",((e,t)=>{this._hideUI(),t()})),t.keystrokes.set(I,((e,t)=>{this._addFormView(),t()})),t}_createFormView(){const e=this.editor,t=e.commands.get("link"),i=e.config.get("link.defaultProtocol"),n=e.config.get("link.allowCreatingEmptyLinks"),o=new((0,$.RX)(q))(e.locale,t);return o.urlInputView.fieldView.bind("value").to(t,"value"),o.urlInputView.bind("isEnabled").to(t,"isEnabled"),o.saveButtonView.bind("isEnabled").to(t,"isEnabled",o.urlInputView,"isEmpty",((e,t)=>e&&(n||!t))),this.listenTo(o,"submit",(()=>{const{value:t}=o.urlInputView.fieldView.element,n=B(t,i);e.execute("link",n,o.getDecoratorSwitchesState()),this._closeFormView()})),this.listenTo(o,"cancel",(()=>{this._closeFormView()})),o.keystrokes.set("Esc",((e,t)=>{this._closeFormView(),t()})),o}_createToolbarLinkButton(){const e=this.editor,t=e.commands.get("link"),i=e.t;e.ui.componentFactory.add("link",(e=>{const n=new $.r5(e);return n.isEnabled=!0,n.label=i("Link"),n.icon=G,n.keystroke=I,n.tooltip=!0,n.isToggleable=!0,n.bind("isEnabled").to(t,"isEnabled"),n.bind("isOn").to(t,"value",(e=>!!e)),this.listenTo(n,"execute",(()=>this._showUI(!0))),n}))}_enableBalloonActivators(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",(()=>{this._getSelectedLinkElement()&&this._showUI()})),e.keystrokes.set(I,((t,i)=>{i(),e.commands.get("link").isEnabled&&this._showUI(!0)}))}_enableUserBalloonInteractions(){this.editor.keystrokes.set("Tab",((e,t)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),t())}),{priority:"high"}),this.editor.keystrokes.set("Esc",((e,t)=>{this._isUIVisible&&(this._hideUI(),t())})),(0,$.eC)({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this.actionsView||this._createViews(),this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this.formView||this._createViews(),this._isFormInPanel)return;const e=this.editor.commands.get("link");this.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this.formView.urlInputView.fieldView.value=e.value||"",this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions()}_closeFormView(){const e=this.editor.commands.get("link");e.restoreManualDecoratorStates(),void 0!==e.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this.formView.urlInputView.fieldView.reset(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(e=!1){this.formView||this._createViews(),this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),e&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),e&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const e=this.editor;this.stopListening(e.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),e.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const e=this.editor,t=e.editing.view.document;let i=this._getSelectedLinkElement(),n=s();const o=()=>{const e=this._getSelectedLinkElement(),t=s();i&&!e||!i&&t!==n?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),i=e,n=t};function s(){return t.selection.focus.getAncestors().reverse().find((e=>e.is("element")))}this.listenTo(e.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return!!this.formView&&this._balloon.hasView(this.formView)}get _areActionsInPanel(){return!!this.actionsView&&this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return!!this.actionsView&&this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){const e=this._balloon.visibleView;return!!this.formView&&e==this.formView||this._areActionsVisible}_getBalloonPositionData(){const e=this.editor.editing.view,t=this.editor.model,i=e.document;let n;if(t.markers.has(J)){const t=Array.from(this.editor.editing.mapper.markerNameToElements(J)),i=e.createRange(e.createPositionBefore(t[0]),e.createPositionAfter(t[t.length-1]));n=e.domConverter.viewRangeToDom(i)}else n=()=>{const t=this._getSelectedLinkElement();return t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(i.selection.getFirstRange())};return{target:n}}_getSelectedLinkElement(){const e=this.editor.editing.view,t=e.document.selection,i=t.getSelectedElement();if(t.isCollapsed||i&&(0,Z.Qd)(i))return Q(t.getFirstPosition());{const i=t.getFirstRange().getTrimmed(),n=Q(i.start),o=Q(i.end);return n&&n==o&&e.createRangeIn(n).getTrimmed().isEqual(i)?n:null}}_showFakeVisualSelection(){const e=this.editor.model;e.change((t=>{const i=e.document.selection.getFirstRange();if(e.markers.has(J))t.updateMarker(J,{range:i});else if(i.start.isAtEnd){const n=i.start.getLastMatchingPosition((({item:t})=>!e.schema.isContent(t)),{boundaries:i});t.addMarker(J,{usingOperation:!1,affectsData:!1,range:t.createRange(n,i.end)})}else t.addMarker(J,{usingOperation:!1,affectsData:!1,range:i})}))}_hideFakeVisualSelection(){const e=this.editor.model;e.markers.has(J)&&e.change((e=>{e.removeMarker(J)}))}}function Q(e){return e.getAncestors().find((e=>{return(t=e).is("attributeElement")&&!!t.getCustomProperty("link");var t}))||null}const X=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(((?!www\\.)|(www\\.))(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+(?:[a-z\\u00a1-\\uffff]{2,63})))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+(?:[a-z\\u00a1-\\uffff]{2,63})))$","i");class ee extends n.Sy{static get requires(){return[o.HG,U]}static get pluginName(){return"AutoLink"}init(){const e=this.editor.model.document.selection;e.on("change:range",(()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")})),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling(),this._enablePasteLinking()}_expandLinkRange(e,t){return t.textNode&&t.textNode.hasAttribute("linkHref")?(0,o.VD)(t,"linkHref",t.textNode.getAttribute("linkHref"),e):null}_selectEntireLinks(e,t){const i=this.editor.model,n=i.document.selection,o=n.getFirstPosition(),s=n.getLastPosition();let r=t.getJoined(this._expandLinkRange(i,o)||t);r&&(r=r.getJoined(this._expandLinkRange(i,s)||t)),r&&(r.start.isBefore(o)||r.end.isAfter(s))&&e.setSelection(r)}_enablePasteLinking(){const e=this.editor,t=e.model,i=t.document.selection,n=e.plugins.get("ClipboardPipeline"),o=e.commands.get("link");n.on("inputTransformation",((e,n)=>{if(!this.isEnabled||!o.isEnabled||i.isCollapsed)return;if(i.rangeCount>1)return;const s=i.getFirstRange(),r=n.dataTransfer.getData("text/plain");if(!r)return;const a=r.match(X);a&&a[2]===r&&(t.change((e=>{this._selectEntireLinks(e,s),o.execute(r)})),e.stop())}),{priority:"high"})}_enableTypingHandling(){const e=this.editor,t=new o.uL(e.model,(e=>{if(!function(e){return e.length>4&&" "===e[e.length-1]&&" "!==e[e.length-2]}(e))return;const t=te(e.substr(0,e.length-1));return t?{url:t}:void 0}));t.on("matched:data",((t,i)=>{const{batch:n,range:o,url:s}=i;if(!n.isTyping)return;const r=o.end.getShiftedBy(-1),a=r.getShiftedBy(-s.length),l=e.model.createRange(a,r);this._applyAutoLink(s,l)})),t.bind("isEnabled").to(this)}_enableEnterHandling(){const e=this.editor,t=e.model,i=e.commands.get("enter");i&&i.on("execute",(()=>{const e=t.document.selection.getFirstPosition();if(!e.parent.previousSibling)return;const i=t.createRangeIn(e.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(i)}))}_enableShiftEnterHandling(){const e=this.editor,t=e.model,i=e.commands.get("shiftEnter");i&&i.on("execute",(()=>{const e=t.document.selection.getFirstPosition(),i=t.createRange(t.createPositionAt(e.parent,0),e.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(i)}))}_checkAndApplyAutoLinkOnRange(e){const t=this.editor.model,{text:i,range:n}=(0,o.Up)(e,t),s=te(i);if(s){const e=t.createRange(n.end.getShiftedBy(-s.length),n.end);this._applyAutoLink(s,e)}}_applyAutoLink(e,t){const i=this.editor.model,n=B(e,this.editor.config.get("link.defaultProtocol"));this.isEnabled&&function(e,t){return t.schema.checkAttributeInSelection(t.createSelection(e),"linkHref")}(t,i)&&M(n)&&!function(e){const t=e.start.nodeAfter;return!!t&&t.hasAttribute("linkHref")}(t)&&this._persistAutoLink(n,t)}_persistAutoLink(e,t){const i=this.editor.model,n=this.editor.plugins.get("Delete");i.enqueueChange((o=>{o.setAttribute("linkHref",e,t),i.enqueueChange((()=>{n.requestUndoOnBackspace()}))}))}}function te(e){const t=X.exec(e);return t?t[2]:null}class ie extends n.Sy{static get requires(){return[U,Y,ee]}static get pluginName(){return"Link"}}class ne extends n.Sy{static get requires(){return["ImageEditing","ImageUtils",U]}static get pluginName(){return"LinkImageEditing"}afterInit(){const e=this.editor,t=e.model.schema;e.plugins.has("ImageBlockEditing")&&t.extend("imageBlock",{allowAttributes:["linkHref"]}),e.conversion.for("upcast").add(function(e){const t=e.plugins.has("ImageInlineEditing"),i=e.plugins.get("ImageUtils");return e=>{e.on("element:a",((e,n,o)=>{const s=n.viewItem,r=i.findViewImgElement(s);if(!r)return;const a=r.findAncestor((e=>i.isBlockImageView(e)));if(t&&!a)return;if(!o.consumable.consume(s,{attributes:["href"]}))return;const l=s.getAttribute("href");if(!l)return;let c=n.modelCursor.parent;if(!c.is("element","imageBlock")){const e=o.convertItem(r,n.modelCursor);n.modelRange=e.modelRange,n.modelCursor=e.modelCursor,c=n.modelCursor.nodeBefore}c&&c.is("element","imageBlock")&&o.writer.setAttribute("linkHref",l,c)}),{priority:"high"})}}(e)),e.conversion.for("downcast").add(function(e){const t=e.plugins.get("ImageUtils");return e=>{e.on("attribute:linkHref:imageBlock",((e,i,n)=>{if(!n.consumable.consume(i.item,e.name))return;const o=n.mapper.toViewElement(i.item),s=n.writer,r=Array.from(o.getChildren()).find((e=>e.is("element","a"))),a=t.findViewImgElement(o),l=a.parent.is("element","picture")?a.parent:a;if(r)i.attributeNewValue?s.setAttribute("href",i.attributeNewValue,r):(s.move(s.createRangeOn(l),s.createPositionAt(o,0)),s.remove(r));else{const e=s.createContainerElement("a",{href:i.attributeNewValue});s.insert(s.createPositionAt(o,0),e),s.move(s.createRangeOn(l),s.createPositionAt(e,0))}}),{priority:"high"})}}(e)),this._enableAutomaticDecorators(),this._enableManualDecorators()}_enableAutomaticDecorators(){const e=this.editor,t=e.commands.get("link").automaticDecorators;t.length&&e.conversion.for("downcast").add(t.getDispatcherForLinkedImage())}_enableManualDecorators(){const e=this.editor,t=e.commands.get("link");for(const i of t.manualDecorators)e.plugins.has("ImageBlockEditing")&&e.model.schema.extend("imageBlock",{allowAttributes:i.id}),e.plugins.has("ImageInlineEditing")&&e.model.schema.extend("imageInline",{allowAttributes:i.id}),e.conversion.for("downcast").add(oe(i)),e.conversion.for("upcast").add(se(e,i))}}function oe(e){return t=>{t.on(`attribute:${e.id}:imageBlock`,((t,i,n)=>{const o=n.mapper.toViewElement(i.item),s=Array.from(o.getChildren()).find((e=>e.is("element","a")));if(s){for(const[t,i]of(0,r.qL)(e.attributes))n.writer.setAttribute(t,i,s);e.classes&&n.writer.addClass(e.classes,s);for(const t in e.styles)n.writer.setStyle(t,e.styles[t],s)}}))}}function se(e,t){const i=e.plugins.has("ImageInlineEditing"),n=e.plugins.get("ImageUtils");return e=>{e.on("element:a",((e,o,s)=>{const r=o.viewItem,a=n.findViewImgElement(r);if(!a)return;const l=a.findAncestor((e=>n.isBlockImageView(e)));if(i&&!l)return;const c=new j.xO(t._createPattern()).match(r);if(!c)return;if(!s.consumable.consume(r,c.match))return;const d=o.modelCursor.nodeBefore||o.modelCursor.parent;s.writer.setAttribute(t.id,!0,d)}),{priority:"high"})}}class re extends n.Sy{static get requires(){return[U,Y,"ImageBlockEditing"]}static get pluginName(){return"LinkImageUI"}init(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",((t,i)=>{this._isSelectedLinkedImage(e.model.document.selection)&&(i.preventDefault(),t.stop())}),{priority:"high"}),this._createToolbarLinkImageButton()}_createToolbarLinkImageButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("linkImage",(i=>{const n=new $.r5(i),o=e.plugins.get("LinkUI"),s=e.commands.get("link");return n.set({isEnabled:!0,label:t("Link image"),icon:G,keystroke:I,tooltip:!0,isToggleable:!0}),n.bind("isEnabled").to(s,"isEnabled"),n.bind("isOn").to(s,"value",(e=>!!e)),this.listenTo(n,"execute",(()=>{this._isSelectedLinkedImage(e.model.document.selection)?o._addActionsView():o._showUI(!0)})),n}))}_isSelectedLinkedImage(e){const t=e.getSelectedElement();return this.editor.plugins.get("ImageUtils").isImage(t)&&t.hasAttribute("linkHref")}}class ae extends n.Sy{static get requires(){return[ne,re]}static get pluginName(){return"LinkImage"}}},4254:(e,t,i)=>{"use 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this(e,t)[Symbol.iterator]();return(0,r.Ps)(i)}*[Symbol.iterator](){const e=[];for(const{node:t}of l(this._getStartNode(),this._isForward?"forward":"backward")){const i=t.getAttribute("listIndent");if(ithis._referenceIndent){if(!this._higherIndent)continue;if(!this._isForward){e.push(t);continue}}else{if(!this._sameIndent){if(this._higherIndent){e.length&&(yield*e,e.length=0);break}continue}if(this._sameAttributes.some((e=>t.getAttribute(e)!==this._startElement.getAttribute(e))))break}e.length&&(yield*e,e.length=0),yield t}}_getStartNode(){return this._includeSelf?this._startElement:this._isForward?this._startElement.nextSibling:this._startElement.previousSibling}}function*l(e,t="forward"){const i="forward"==t,n=[];let o=null;for(;h(e);){let t=null;if(o){const i=e.getAttribute("listIndent"),s=o.getAttribute("listIndent");i>s?n[s]=o:ie.getAttribute("listItemId")!=t))}function A(e){return Array.from(e).filter((e=>"$graveyard"!==e.root.rootName)).sort(((e,t)=>e.index-t.index))}function 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t=this.editor.model,i=t.document,n=E(t),o=Array.from(i.selection.getSelectedBlocks()).filter((e=>t.schema.checkAttribute(e,"listType")||x(e,t.schema))),s=void 0!==e.forceValue?!e.forceValue:this.value;t.change((e=>{if(s){const t=o[o.length-1],i=m(t,{direction:"forward"}),n=[];i.length>1&&n.push(...v(i[1],e)),n.push(...k(o,e)),n.push(...function(e,t){const i=[];let n=Number.POSITIVE_INFINITY;for(const{node:o}of l(e.nextSibling,"forward")){const e=o.getAttribute("listIndent");if(0==e)break;e{const{firstElement:s,lastElement:r}=this._getMergeSubjectElements(i,e),l=s.getAttribute("listIndent")||0,c=r.getAttribute("listIndent"),d=r.getAttribute("listItemId");if(l!=c){const e=(h=r,Array.from(new a(h,{direction:"forward",higherIndent:!0})));n.push(...y([r,...e],o,{indentBy:l-c,expand:l{const t=v(this._getStartBlock(),e);this._fireAfterExecute(t)}))}_fireAfterExecute(e){this.fire("afterExecute",A(new Set(e)))}_checkEnabled(){const 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n.Sy{static get pluginName(){return"ListEditing"}static get requires(){return[s.C,o.HG,O,Z._l]}constructor(e){super(e),this._downcastStrategies=[],e.config.define("list.multiBlock",!0)}init(){const e=this.editor,t=e.model,i=e.config.get("list.multiBlock");if(e.plugins.has("LegacyListEditing"))throw new r.Bb("list-feature-conflict",this,{conflictPlugin:"LegacyListEditing"});t.schema.register("$listItem",{allowAttributes:q}),i?(t.schema.extend("$container",{allowAttributesOf:"$listItem"}),t.schema.extend("$block",{allowAttributesOf:"$listItem"}),t.schema.extend("$blockObject",{allowAttributesOf:"$listItem"})):t.schema.register("listItem",{inheritAllFrom:"$block",allowAttributesOf:"$listItem"});for(const e of q)t.schema.setAttributeProperties(e,{copyOnReplace:!0});e.commands.add("numberedList",new I(e,"numbered")),e.commands.add("bulletedList",new I(e,"bulleted")),e.commands.add("indentList",new S(e,"forward")),e.commands.add("outdentList",new S(e,"backward")),e.commands.add("splitListItemBefore",new R(e,"before")),e.commands.add("splitListItemAfter",new R(e,"after")),i&&(e.commands.add("mergeListItemBackward",new V(e,"backward")),e.commands.add("mergeListItemForward",new V(e,"forward"))),this._setupDeleteIntegration(),this._setupEnterIntegration(),this._setupTabIntegration(),this._setupClipboardIntegration()}afterInit(){const e=this.editor.commands,t=e.get("indent"),i=e.get("outdent");t&&t.registerChildCommand(e.get("indentList"),{priority:"high"}),i&&i.registerChildCommand(e.get("outdentList"),{priority:"lowest"}),this._setupModelPostFixing(),this._setupConversion()}registerDowncastStrategy(e){this._downcastStrategies.push(e)}getListAttributeNames(){return[...q,...this._downcastStrategies.map((e=>e.attributeName))]}_setupDeleteIntegration(){const e=this.editor,t=e.commands.get("mergeListItemBackward"),i=e.commands.get("mergeListItemForward");this.listenTo(e.editing.view.document,"delete",((n,o)=>{const s=e.model.document.selection;E(e.model)||e.model.change((()=>{const r=s.getFirstPosition();if(s.isCollapsed&&"backward"==o.direction){if(!r.isAtStart)return;const i=r.parent;if(!h(i))return;if(a.first(i,{sameAttributes:"listType",sameIndent:!0})||0!==i.getAttribute("listIndent")){if(!t||!t.isEnabled)return;t.execute({shouldMergeOnBlocksContentLevel:G(e.model,"backward")})}else p(i)||e.execute("splitListItemAfter"),e.execute("outdentList");o.preventDefault(),n.stop()}else{if(s.isCollapsed&&!s.getLastPosition().isAtEnd)return;if(!i||!i.isEnabled)return;i.execute({shouldMergeOnBlocksContentLevel:G(e.model,"forward")}),o.preventDefault(),n.stop()}}))}),{context:"li"})}_setupEnterIntegration(){const e=this.editor,t=e.model,i=e.commands,n=i.get("enter");this.listenTo(e.editing.view.document,"enter",((i,n)=>{const o=t.document,s=o.selection.getFirstPosition().parent;if(o.selection.isCollapsed&&h(s)&&s.isEmpty&&!n.isSoft){const t=f(s),o=p(s);t&&o?(e.execute("outdentList"),n.preventDefault(),i.stop()):t&&!o?(e.execute("splitListItemAfter"),n.preventDefault(),i.stop()):o&&(e.execute("splitListItemBefore"),n.preventDefault(),i.stop())}}),{context:"li"}),this.listenTo(n,"afterExecute",(()=>{const t=i.get("splitListItemBefore");t.refresh(),t.isEnabled&&2===u(e.model.document.selection.getLastPosition().parent).length&&t.execute()}))}_setupTabIntegration(){const e=this.editor;this.listenTo(e.editing.view.document,"tab",((t,i)=>{const n=i.shiftKey?"outdentList":"indentList";this.editor.commands.get(n).isEnabled&&(e.execute(n),i.stopPropagation(),i.preventDefault(),t.stop())}),{context:"li"})}_setupConversion(){const e=this.editor,t=e.model,i=this.getListAttributeNames(),n=e.config.get("list.multiBlock"),o=n?"paragraph":"listItem";e.conversion.for("upcast").elementToElement({view:"li",model:(e,{writer:t})=>t.createElement(o,{listType:""})}).elementToElement({view:"p",model:(e,{writer:t})=>e.parent&&e.parent.is("element","li")?t.createElement(o,{listType:""}):null,converterPriority:"high"}).add((e=>{e.on("element:li",((e,t,i)=>{const{writer:n,schema:o}=i;if(!t.modelRange)return;const s=Array.from(t.modelRange.getItems({shallow:!0})).filter((e=>o.checkAttribute(e,"listItemId")));if(!s.length)return;const r=d.next(),a=function(e){let t=0,i=e.parent;for(;i;){if(L(i))t++;else{const e=i.previousSibling;e&&L(e)&&t++}i=i.parent}return t}(t.viewItem);let l=t.viewItem.parent&&t.viewItem.parent.is("element","ol")?"numbered":"bulleted";const c=s[0].getAttribute("listType");c&&(l=c);const h={listItemId:r,listIndent:a,listType:l};for(const e of s)e.hasAttribute("listItemId")||n.setAttributes(h,e);s.length>1&&s[1].getAttribute("listItemId")!=h.listItemId&&i.keepEmptyElement(s[0])})),e.on("element:ul",H(),{priority:"high"}),e.on("element:ol",H(),{priority:"high"})})),n||e.conversion.for("downcast").elementToElement({model:"listItem",view:"p"}),e.conversion.for("editingDowncast").elementToElement({model:o,view:j(i),converterPriority:"high"}).add((e=>{e.on("attribute",U(i,this._downcastStrategies,t))})),e.conversion.for("dataDowncast").elementToElement({model:o,view:j(i,{dataPipeline:!0}),converterPriority:"high"}).add((e=>{e.on("attribute",U(i,this._downcastStrategies,t,{dataPipeline:!0}))})),this.listenTo(t.document,"change:data",function(e,t,i,n){return()=>{const n=e.document.differ.getChanges(),r=[],a=new Map,l=new Set;for(const e of n)if("insert"==e.type&&"$text"!=e.name)W(e.position,a),e.attributes.has("listItemId")?l.add(e.position.nodeAfter):W(e.position.getShiftedBy(e.length),a);else if("remove"==e.type&&e.attributes.has("listItemId"))W(e.position,a);else if("attribute"==e.type){const t=e.range.start.nodeAfter;i.includes(e.attributeKey)?(W(e.range.start,a),null===e.attributeNewValue?(W(e.range.start.getShiftedBy(1),a),s(t)&&r.push(t)):l.add(t)):h(t)&&s(t)&&r.push(t)}for(const e of a.values())r.push(...o(e,l));for(const e of new Set(r))t.reconvertItem(e)};function o(e,t){const n=[],o=new Set,a=[];for(const{node:c,previous:d}of l(e,"forward")){if(o.has(c))continue;const e=c.getAttribute("listIndent");d&&ei.includes(e))));const l=m(c,{direction:"forward"});for(const e of l)o.add(e),(s(e,l)||r(e,a,t))&&n.push(e)}return n}function s(e,o){const s=t.mapper.toViewElement(e);if(!s)return!1;if(n.fire("checkElement",{modelElement:e,viewElement:s}))return!0;if(!e.is("element","paragraph")&&!e.is("element","listItem"))return!1;const r=$(e,i,o);return!(!r||!s.is("element","p"))||!(r||!s.is("element","span"))}function r(e,i,o){if(o.has(e))return!1;const s=t.mapper.toViewElement(e);let r=i.length-1;for(let e=s.parent;!e.is("editableElement");e=e.parent){const t=L(e),o=M(e);if(!o&&!t)continue;const s="checkAttributes:"+(t?"item":"list");if(n.fire(s,{viewElement:e,modelAttributes:i[r]}))break;if(o&&(r--,r<0))return!1}return!0}}(t,e.editing,i,this),{priority:"high"}),this.on("checkAttributes:item",((e,{viewElement:t,modelAttributes:i})=>{t.id!=i.listItemId&&(e.return=!0,e.stop())})),this.on("checkAttributes:list",((e,{viewElement:t,modelAttributes:i})=>{t.name==F(i.listType)&&t.id==z(i.listType,i.listIndent)||(e.return=!0,e.stop())}))}_setupModelPostFixing(){const e=this.editor.model,t=this.getListAttributeNames();e.document.registerPostFixer((i=>function(e,t,i,n){const o=e.document.differ.getChanges(),s=new Map,r=n.editor.config.get("list.multiBlock");let a=!1;for(const n of o){if("insert"==n.type&&"$text"!=n.name){const o=n.position.nodeAfter;if(!e.schema.checkAttribute(o,"listItemId"))for(const e of Array.from(o.getAttributeKeys()))i.includes(e)&&(t.removeAttribute(e,o),a=!0);W(n.position,s),n.attributes.has("listItemId")||W(n.position.getShiftedBy(n.length),s);for(const{item:t,previousPosition:i}of e.createRangeIn(o))h(t)&&W(i,s)}else"remove"==n.type?W(n.position,s):"attribute"==n.type&&i.includes(n.attributeKey)&&(W(n.range.start,s),null===n.attributeNewValue&&W(n.range.start.getShiftedBy(1),s));if(!r&&"attribute"==n.type&&q.includes(n.attributeKey)){const e=n.range.start.nodeAfter;null===n.attributeNewValue&&e&&e.is("element","listItem")?(t.rename(e,"paragraph"),a=!0):null===n.attributeOldValue&&e&&e.is("element")&&"listItem"!=e.name&&(t.rename(e,"listItem"),a=!0)}}const l=new Set;for(const e of s.values())a=n.fire("postFixer",{listNodes:new c(e),listHead:e,writer:t,seenIds:l})||a;return a}(e,i,t,this))),this.on("postFixer",((e,{listNodes:t,writer:i})=>{e.return=function(e,t){let i=0,n=-1,o=null,s=!1;for(const{node:r}of e){const e=r.getAttribute("listIndent");if(e>i){let a;null===o?(o=e-i,a=i):(o>e&&(o=e),a=e-o),a>n+1&&(a=n+1),t.setAttribute("listIndent",a,r),s=!0,n=a}else o=null,i=e+1,n=e}return s}(t,i)||e.return}),{priority:"high"}),this.on("postFixer",((e,{listNodes:t,writer:i,seenIds:n})=>{e.return=function(e,t,i){const n=new Set;let o=!1;for(const{node:s}of e){if(n.has(s))continue;let e=s.getAttribute("listType"),r=s.getAttribute("listItemId");if(t.has(r)&&(r=d.next()),t.add(r),s.is("element","listItem"))s.getAttribute("listItemId")!=r&&(i.setAttribute("listItemId",r,s),o=!0);else for(const t of m(s,{direction:"forward"}))n.add(t),t.getAttribute("listType")!=e&&(r=d.next(),e=t.getAttribute("listType")),t.getAttribute("listItemId")!=r&&(i.setAttribute("listItemId",r,t),o=!0)}return o}(t,n,i)||e.return}),{priority:"high"})}_setupClipboardIntegration(){const e=this.editor.model,t=this.editor.plugins.get("ClipboardPipeline");this.listenTo(e,"insertContent",function(e){return(t,[i,n])=>{const o=i.is("documentFragment")?Array.from(i.getChildren()):[i];if(!o.length)return;const s=(n?e.createSelection(n):e.document.selection).getFirstPosition();let r;if(h(s.parent))r=s.parent;else{if(!h(s.nodeBefore))return;r=s.nodeBefore}e.change((e=>{const t=r.getAttribute("listType"),i=r.getAttribute("listIndent"),n=o[0].getAttribute("listIndent")||0,s=Math.max(i-n,0);for(const i of o){const n=h(i);r.is("element","listItem")&&i.is("element","paragraph")&&e.rename(i,"listItem"),e.setAttributes({listIndent:(n?i.getAttribute("listIndent"):0)+s,listItemId:n?i.getAttribute("listItemId"):d.next(),listType:t},i)}}))}}(e),{priority:"high"}),this.listenTo(t,"outputTransformation",((t,i)=>{e.change((e=>{const t=Array.from(i.content.getChildren()),n=t[t.length-1];if(t.length>1&&n.is("element")&&n.isEmpty&&t.slice(0,-1).every(h)&&e.remove(n),"copy"==i.method||"cut"==i.method){const t=Array.from(i.content.getChildren());C(t)&&k(t,e)}}))}))}}function G(e,t){const i=e.document.selection;if(!i.isCollapsed)return!E(e);if("forward"===t)return!0;const n=i.getFirstPosition().parent,o=n.previousSibling;return!e.schema.isObject(o)&&(!!o.isEmpty||C([n,o]))}var J=i(6530);function Y(e,t,i,n){e.ui.componentFactory.add(t,(o=>{const s=e.commands.get(t),r=new J.r5(o);return r.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),r.bind("isOn","isEnabled").to(s,"value","isEnabled"),r.on("execute",(()=>{e.execute(t),e.editing.view.focus()})),r}))}class Q extends n.Sy{static get pluginName(){return"ListUI"}init(){const e=this.editor.t;Y(this.editor,"numberedList",e("Numbered List"),n.icons.numberedList),Y(this.editor,"bulletedList",e("Bulleted List"),n.icons.bulletedList)}}class X extends n.Sy{static get requires(){return[K,Q]}static get pluginName(){return"List"}}class ee extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute({startIndex:e=1}={}){const t=this.editor.model,i=t.document;let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>h(e)&&"numbered"==e.getAttribute("listType")));n=w(n),t.change((t=>{for(const i of n)t.setAttribute("listStart",e>=0?e:1,i)}))}_getValue(){const e=this.editor.model.document,t=(0,r.Ps)(e.selection.getSelectedBlocks());return t&&h(t)&&"numbered"==t.getAttribute("listType")?t.getAttribute("listStart"):null}}const te={},ie={},ne={},oe=[{listStyle:"disc",typeAttribute:"disc",listType:"bulleted"},{listStyle:"circle",typeAttribute:"circle",listType:"bulleted"},{listStyle:"square",typeAttribute:"square",listType:"bulleted"},{listStyle:"decimal",typeAttribute:"1",listType:"numbered"},{listStyle:"decimal-leading-zero",typeAttribute:null,listType:"numbered"},{listStyle:"lower-roman",typeAttribute:"i",listType:"numbered"},{listStyle:"upper-roman",typeAttribute:"I",listType:"numbered"},{listStyle:"lower-alpha",typeAttribute:"a",listType:"numbered"},{listStyle:"upper-alpha",typeAttribute:"A",listType:"numbered"},{listStyle:"lower-latin",typeAttribute:"a",listType:"numbered"},{listStyle:"upper-latin",typeAttribute:"A",listType:"numbered"}];for(const{listStyle:e,typeAttribute:t,listType:i}of oe)te[e]=i,ie[e]=t,t&&(ne[t]=e);function se(){return oe.map((e=>e.listStyle))}function re(e){return te[e]||null}function ae(e){return ne[e]||null}function le(e){return ie[e]||null}class ce extends n.mY{constructor(e,t,i){super(e),this.defaultType=t,this._supportedTypes=i}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,i=t.document;t.change((t=>{this._tryToConvertItemsToList(e);let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>e.hasAttribute("listType")));if(n.length){n=w(n);for(const i of n)t.setAttribute("listStyle",e.type||this.defaultType,i)}}))}isStyleTypeSupported(e){return!this._supportedTypes||this._supportedTypes.includes(e)}_getValue(){const e=(0,r.Ps)(this.editor.model.document.selection.getSelectedBlocks());return h(e)?e.getAttribute("listStyle"):null}_checkEnabled(){const e=this.editor,t=e.commands.get("numberedList"),i=e.commands.get("bulletedList");return t.isEnabled||i.isEnabled}_tryToConvertItemsToList(e){if(!e.type)return;const t=re(e.type);if(!t)return;const i=this.editor,n=`${t}List`;i.commands.get(n).value||i.execute(n)}}class de extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute(e={}){const t=this.editor.model,i=t.document;let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>h(e)&&"numbered"==e.getAttribute("listType")));n=w(n),t.change((t=>{for(const i of n)t.setAttribute("listReversed",!!e.reversed,i)}))}_getValue(){const e=this.editor.model.document,t=(0,r.Ps)(e.selection.getSelectedBlocks());return h(t)&&"numbered"==t.getAttribute("listType")?t.getAttribute("listReversed"):null}}function he(e){return(t,i,n)=>{const{writer:o,schema:s,consumable:r}=n;if(!1===r.test(i.viewItem,e.viewConsumables))return;i.modelRange||Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor));let a=!1;for(const t of i.modelRange.getItems({shallow:!0}))s.checkAttribute(t,e.attributeName)&&e.appliesToListItem(t)&&(t.hasAttribute(e.attributeName)||(o.setAttribute(e.attributeName,e.getAttributeOnUpcast(i.viewItem),t),a=!0));a&&r.consume(i.viewItem,e.viewConsumables)}}class ue extends n.Sy{static get pluginName(){return"ListPropertiesUtils"}getAllSupportedStyleTypes(){return se()}getListTypeFromListStyleType(e){return re(e)}getListStyleTypeFromTypeAttribute(e){return ae(e)}getTypeAttributeFromListStyleType(e){return le(e)}}const me="default";class ge extends n.Sy{static get requires(){return[K,ue]}static get pluginName(){return"ListPropertiesEditing"}constructor(e){super(e),e.config.define("list.properties",{styles:!0,startIndex:!1,reversed:!1})}init(){const e=this.editor,t=e.model,i=e.plugins.get(K),n=function(e){const t=[];if(e.styles){const i="object"==typeof e.styles&&e.styles.useAttribute;t.push({attributeName:"listStyle",defaultValue:me,viewConsumables:{styles:"list-style-type"},addCommand(e){let t=se();i&&(t=t.filter((e=>!!le(e)))),e.commands.add("listStyle",new ce(e,me,t))},appliesToListItem:e=>"numbered"==e.getAttribute("listType")||"bulleted"==e.getAttribute("listType"),hasValidAttribute(e){if(!this.appliesToListItem(e))return!e.hasAttribute("listStyle");if(!e.hasAttribute("listStyle"))return!1;const t=e.getAttribute("listStyle");return t==me||re(t)==e.getAttribute("listType")},setAttributeOnDowncast(e,t,n){if(t&&t!==me){if(!i)return void e.setStyle("list-style-type",t,n);{const i=le(t);if(i)return void e.setAttribute("type",i,n)}}e.removeStyle("list-style-type",n),e.removeAttribute("type",n)},getAttributeOnUpcast(e){const t=e.getStyle("list-style-type");if(t)return t;const i=e.getAttribute("type");return i?ae(i):me}})}return e.reversed&&t.push({attributeName:"listReversed",defaultValue:!1,viewConsumables:{attributes:"reversed"},addCommand(e){e.commands.add("listReversed",new de(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),hasValidAttribute(e){return this.appliesToListItem(e)==e.hasAttribute("listReversed")},setAttributeOnDowncast(e,t,i){t?e.setAttribute("reversed","reversed",i):e.removeAttribute("reversed",i)},getAttributeOnUpcast:e=>e.hasAttribute("reversed")}),e.startIndex&&t.push({attributeName:"listStart",defaultValue:1,viewConsumables:{attributes:"start"},addCommand(e){e.commands.add("listStart",new ee(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),hasValidAttribute(e){return this.appliesToListItem(e)==e.hasAttribute("listStart")},setAttributeOnDowncast(e,t,i){0==t||t>1?e.setAttribute("start",t,i):e.removeAttribute("start",i)},getAttributeOnUpcast(e){const t=e.getAttribute("start");return t>=0?t:1}}),t}(e.config.get("list.properties"));for(const o of n)o.addCommand(e),t.schema.extend("$listItem",{allowAttributes:o.attributeName}),i.registerDowncastStrategy({scope:"list",attributeName:o.attributeName,setAttributeOnDowncast(e,t,i){o.setAttributeOnDowncast(e,t,i)}});e.conversion.for("upcast").add((e=>{for(const t of n)e.on("element:ol",he(t)),e.on("element:ul",he(t))})),i.on("checkAttributes:list",((e,{viewElement:t,modelAttributes:i})=>{for(const o of n)o.getAttributeOnUpcast(t)!=i[o.attributeName]&&(e.return=!0,e.stop())})),this.listenTo(e.commands.get("indentList"),"afterExecute",((e,i)=>{t.change((e=>{for(const t of i)for(const i of n)i.appliesToListItem(t)&&e.setAttribute(i.attributeName,i.defaultValue,t)}))})),i.on("postFixer",((e,{listNodes:t,writer:i})=>{for(const{node:o}of t)for(const t of n)t.hasValidAttribute(o)||(t.appliesToListItem(o)?i.setAttribute(t.attributeName,t.defaultValue,o):i.removeAttribute(t.attributeName,o),e.return=!0)})),i.on("postFixer",((e,{listNodes:t,writer:i})=>{for(const{node:o,previousNodeInList:s}of t)if(s&&s.getAttribute("listType")==o.getAttribute("listType"))for(const t of n){const{attributeName:n}=t;if(!t.appliesToListItem(o))continue;const r=s.getAttribute(n);o.getAttribute(n)!=r&&(i.setAttribute(n,r,o),e.return=!0)}}))}}class fe extends J.G7{constructor(e,{enabledProperties:t,styleButtonViews:i,styleGridAriaLabel:n}){super(e),this.stylesView=null,this.additionalPropertiesCollapsibleView=null,this.startIndexFieldView=null,this.reversedSwitchButtonView=null,this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this.focusables=new J.vX;const o=["ck","ck-list-properties"];this.children=this.createCollection(),this.focusCycler=new J.I0({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),t.styles?(this.stylesView=this._createStylesView(i,n),this.children.add(this.stylesView)):o.push("ck-list-properties_without-styles"),(t.startIndex||t.reversed)&&(this._addNumberedListPropertyViews(t),o.push("ck-list-properties_with-numbered-properties")),this.setTemplate({tag:"div",attributes:{class:o},children:this.children})}render(){if(super.render(),this.stylesView){this.focusables.add(this.stylesView),this.focusTracker.add(this.stylesView.element),(this.startIndexFieldView||this.reversedSwitchButtonView)&&(this.focusables.add(this.children.last.buttonView),this.focusTracker.add(this.children.last.buttonView.element));for(const e of this.stylesView.children)this.stylesView.focusTracker.add(e.element);(0,J.IJ)({keystrokeHandler:this.stylesView.keystrokes,focusTracker:this.stylesView.focusTracker,gridItems:this.stylesView.children,numberOfColumns:()=>r.CO.window.getComputedStyle(this.stylesView.element).getPropertyValue("grid-template-columns").split(" ").length,uiLanguageDirection:this.locale&&this.locale.uiLanguageDirection})}if(this.startIndexFieldView){this.focusables.add(this.startIndexFieldView),this.focusTracker.add(this.startIndexFieldView.element);const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}this.reversedSwitchButtonView&&(this.focusables.add(this.reversedSwitchButtonView),this.focusTracker.add(this.reversedSwitchButtonView.element)),this.keystrokes.listenTo(this.element)}focus(){this.focusCycler.focusFirst()}focusLast(){this.focusCycler.focusLast()}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createStylesView(e,t){const i=new J.G7(this.locale);return i.children=i.createCollection(),i.children.addMany(e),i.setTemplate({tag:"div",attributes:{"aria-label":t,class:["ck","ck-list-styles-list"]},children:i.children}),i.children.delegate("execute").to(this),i.focus=function(){this.children.first.focus()},i.focusTracker=new r.Rh,i.keystrokes=new r.VD,i.render(),i.keystrokes.listenTo(i.element),i}_addNumberedListPropertyViews(e){const t=this.locale.t,i=[];e.startIndex&&(this.startIndexFieldView=this._createStartIndexField(),i.push(this.startIndexFieldView)),e.reversed&&(this.reversedSwitchButtonView=this._createReversedSwitchButton(),i.push(this.reversedSwitchButtonView)),e.styles?(this.additionalPropertiesCollapsibleView=new J.p2(this.locale,i),this.additionalPropertiesCollapsibleView.set({label:t("List properties"),isCollapsed:!0}),this.additionalPropertiesCollapsibleView.buttonView.bind("isEnabled").toMany(i,"isEnabled",((...e)=>e.some((e=>e)))),this.additionalPropertiesCollapsibleView.buttonView.on("change:isEnabled",((e,t,i)=>{i||(this.additionalPropertiesCollapsibleView.isCollapsed=!0)})),this.children.add(this.additionalPropertiesCollapsibleView)):this.children.addMany(i)}_createStartIndexField(){const e=this.locale.t,t=new J.KP(this.locale,J.sh);return t.set({label:e("Start at"),class:"ck-numbered-list-properties__start-index"}),t.fieldView.set({min:0,step:1,value:1,inputMode:"numeric"}),t.fieldView.on("input",(()=>{const i=t.fieldView.element,n=i.valueAsNumber;Number.isNaN(n)||(i.checkValidity()?this.fire("listStart",{startIndex:n}):t.errorText=e("Start index must be greater than 0."))})),t}_createReversedSwitchButton(){const e=this.locale.t,t=new J.BM(this.locale);return t.set({withText:!0,label:e("Reversed order"),class:"ck-numbered-list-properties__reversed-order"}),t.delegate("execute").to(this,"listReversed"),t}}class pe extends n.Sy{static get pluginName(){return"ListPropertiesUI"}init(){const e=this.editor,t=e.locale.t,i=e.config.get("list.properties");i.styles&&e.ui.componentFactory.add("bulletedList",be({editor:e,parentCommandName:"bulletedList",buttonLabel:t("Bulleted List"),buttonIcon:n.icons.bulletedList,styleGridAriaLabel:t("Bulleted list styles toolbar"),styleDefinitions:[{label:t("Toggle the disc list style"),tooltip:t("Disc"),type:"disc",icon:''},{label:t("Toggle the circle list style"),tooltip:t("Circle"),type:"circle",icon:''},{label:t("Toggle the square list style"),tooltip:t("Square"),type:"square",icon:''}]})),(i.styles||i.startIndex||i.reversed)&&e.ui.componentFactory.add("numberedList",be({editor:e,parentCommandName:"numberedList",buttonLabel:t("Numbered List"),buttonIcon:n.icons.numberedList,styleGridAriaLabel:t("Numbered list styles toolbar"),styleDefinitions:[{label:t("Toggle the decimal list style"),tooltip:t("Decimal"),type:"decimal",icon:''},{label:t("Toggle the decimal with leading zero list style"),tooltip:t("Decimal with leading zero"),type:"decimal-leading-zero",icon:''},{label:t("Toggle the lower–roman list style"),tooltip:t("Lower–roman"),type:"lower-roman",icon:''},{label:t("Toggle the upper–roman list style"),tooltip:t("Upper-roman"),type:"upper-roman",icon:''},{label:t("Toggle the lower–latin list style"),tooltip:t("Lower-latin"),type:"lower-latin",icon:''},{label:t("Toggle the upper–latin list style"),tooltip:t("Upper-latin"),type:"upper-latin",icon:''}]}))}}function be({editor:e,parentCommandName:t,buttonLabel:i,buttonIcon:n,styleGridAriaLabel:o,styleDefinitions:s}){const r=e.commands.get(t);return a=>{const l=(0,J.t9)(a,J.Rm),c=l.buttonView;return l.bind("isEnabled").to(r),l.class="ck-list-styles-dropdown",c.on("execute",(()=>{e.execute(t),e.editing.view.focus()})),c.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),c.bind("isOn").to(r,"value",(e=>!!e)),l.once("change:isOpen",(()=>{const i=function({editor:e,dropdownView:t,parentCommandName:i,styleDefinitions:n,styleGridAriaLabel:o}){const s=e.locale,r=e.config.get("list.properties");let a=null;if("numberedList"!=i&&(r.startIndex=!1,r.reversed=!1),r.styles){const t=e.commands.get("listStyle"),o=function({editor:e,listStyleCommand:t,parentCommandName:i}){const n=e.locale,o=e.commands.get(i);return({label:i,type:s,icon:r,tooltip:a})=>{const l=new J.r5(n);return l.set({label:i,icon:r,tooltip:a}),t.on("change:value",(()=>{l.isOn=t.value===s})),l.on("execute",(()=>{o.value?t.value!==s?e.execute("listStyle",{type:s}):e.execute("listStyle",{type:t.defaultType}):e.model.change((()=>{e.execute("listStyle",{type:s})}))})),l}}({editor:e,parentCommandName:i,listStyleCommand:t}),s="function"==typeof t.isStyleTypeSupported?e=>t.isStyleTypeSupported(e.type):()=>!0;a=n.filter(s).map(o)}const l=new fe(s,{styleGridAriaLabel:o,enabledProperties:r,styleButtonViews:a});if(r.styles&&(0,J.Mh)(t,(()=>l.stylesView.children.find((e=>e.isOn)))),r.startIndex){const t=e.commands.get("listStart");l.startIndexFieldView.bind("isEnabled").to(t),l.startIndexFieldView.fieldView.bind("value").to(t),l.on("listStart",((t,i)=>e.execute("listStart",i)))}if(r.reversed){const t=e.commands.get("listReversed");l.reversedSwitchButtonView.bind("isEnabled").to(t),l.reversedSwitchButtonView.bind("isOn").to(t,"value",(e=>!!e)),l.on("listReversed",(()=>{const i=t.value;e.execute("listReversed",{reversed:!i})}))}return l.delegate("execute").to(t),l}({editor:e,dropdownView:l,parentCommandName:t,styleGridAriaLabel:o,styleDefinitions:s});l.panelView.children.add(i)})),l.on("execute",(()=>{e.editing.view.focus()})),l}}class we extends n.Sy{static get requires(){return[ge,pe]}static get pluginName(){return"ListProperties"}}class ve extends n.mY{constructor(e){super(e),this.on("execute",(()=>{this.refresh()}),{priority:"highest"})}refresh(){const e=this._getSelectedItems();this.value=this._getValue(e),this.isEnabled=!!e.length}execute(e={}){this.editor.model.change((t=>{const i=this._getSelectedItems(),n=void 0===e.forceValue?!this._getValue(i):e.forceValue;for(const e of i)n?t.setAttribute("todoListChecked",!0,e):t.removeAttribute("todoListChecked",e)}))}_getValue(e){return e.every((e=>e.getAttribute("todoListChecked")))}_getSelectedItems(){const e=this.editor.model,t=e.schema,i=e.document.selection.getFirstRange(),n=i.start.parent,o=[];t.checkAttribute(n,"todoListChecked")&&o.push(...u(n));for(const e of i.getItems({shallow:!0}))t.checkAttribute(e,"todoListChecked")&&!o.includes(e)&&o.push(...u(e));return o}}class _e extends B.qZ{constructor(){super(...arguments),this.domEventType=["change"]}onDomEvent(e){if(e.target){const t=this.view.domConverter.mapDomToView(e.target);t&&t.is("element","input")&&"checkbox"==t.getAttribute("type")&&t.findAncestor({classes:"todo-list__label"})&&this.fire("todoCheckboxChange",e)}}}const ye=(0,r.Zz)("Ctrl+Enter");class ke extends n.Sy{static get pluginName(){return"TodoListEditing"}static get requires(){return[K]}init(){const e=this.editor,t=e.model,i=e.editing,n=e.plugins.get(K),o=e.config.get("list.multiBlock")?"paragraph":"listItem";e.commands.add("todoList",new I(e,"todo")),e.commands.add("checkTodoList",new ve(e)),i.view.addObserver(_e),t.schema.extend("$listItem",{allowAttributes:"todoListChecked"}),t.schema.addAttributeCheck(((e,t)=>{const i=e.last;if("todoListChecked"==t)return!(!i.getAttribute("listItemId")||"todo"!=i.getAttribute("listType"))&&void 0})),e.conversion.for("upcast").add((e=>{e.on("element:input",((e,t,i)=>{const n=t.modelCursor,o=n.parent,s=t.viewItem;if(!i.consumable.test(s,{name:!0}))return;if("checkbox"!=s.getAttribute("type")||!n.isAtStart||!o.hasAttribute("listType"))return;i.consumable.consume(s,{name:!0});const r=i.writer;r.setAttribute("listType","todo",o),t.viewItem.hasAttribute("checked")&&r.setAttribute("todoListChecked",!0,o),t.modelRange=r.createRange(n)})),e.on("element:label",Ce({name:"label",classes:"todo-list__label"})),e.on("element:label",Ce({name:"label",classes:["todo-list__label","todo-list__label_without-description"]})),e.on("element:span",Ce({name:"span",classes:"todo-list__label__description"})),e.on("element:ul",function(e){const t=new B.xO({name:"ul",classes:"todo-list"});return(e,i,n)=>{const o=t.match(i.viewItem);if(!o)return;const s=o.match;s.name=!1,n.consumable.consume(i.viewItem,s)}}())})),e.conversion.for("downcast").elementToElement({model:o,view:(e,{writer:t})=>{if(Ae(e,n.getListAttributeNames()))return t.createContainerElement("span",{class:"todo-list__label__description"})},converterPriority:"highest"}),n.registerDowncastStrategy({scope:"list",attributeName:"listType",setAttributeOnDowncast(e,t,i){"todo"==t?e.addClass("todo-list",i):e.removeClass("todo-list",i)}}),n.registerDowncastStrategy({scope:"itemMarker",attributeName:"todoListChecked",createElement(e,t,{dataPipeline:i}){if("todo"!=t.getAttribute("listType"))return null;const n=e.createEmptyElement("input",{type:"checkbox",...t.getAttribute("todoListChecked")?{checked:"checked"}:null,...i?{disabled:"disabled"}:{tabindex:"-1"}});return 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e=s.toModelElement(i.nodeBefore),o=s.getModelLength(i.nodeBefore);t.modelPosition=n.createPositionBefore(e).getShiftedBy(o)}else{const e=s.toModelElement(i.nodeAfter);t.modelPosition=n.createPositionBefore(e)}e.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const r=s.toModelElement(o);let a=1,l=i.nodeBefore;for(;l&&nt(l);)a+=s.getModelLength(l),l=l.previousSibling;t.modelPosition=n.createPositionBefore(r).getShiftedBy(a),e.stop()}})),t.mapper.on("modelToViewPosition",Xe(i.view)),e.conversion.for("editingDowncast").add((t=>{t.on("insert",Ke,{priority:"high"}),t.on("insert:listItem",$e(e.model)),t.on("attribute:listType:listItem",Ze,{priority:"high"}),t.on("attribute:listType:listItem",qe,{priority:"low"}),t.on("attribute:listIndent:listItem",function(e){return(t,i,n)=>{if(!n.consumable.consume(i.item,"attribute:listIndent"))return;const o=n.mapper.toViewElement(i.item),s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,l=s.createRangeOn(r);s.remove(l),a&&a.nextSibling&&Be(s,a,a.nextSibling),it(i.attributeOldValue+1,i.range.start,l.start,o,n,e),Oe(i.item,o,n,e);for(const e of i.item.getChildren())n.consumable.consume(e,"insert")}}(e.model)),t.on("remove:listItem",function(e){return(t,i,n)=>{const o=n.mapper.toViewPosition(i.position).getLastMatchingPosition((e=>!e.item.is("element","li"))).nodeAfter,s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,l=s.createRangeOn(r),c=s.remove(l);a&&a.nextSibling&&Be(s,a,a.nextSibling),it(n.mapper.toModelElement(o).getAttribute("listIndent")+1,i.position,l.start,o,n,e);for(const e of s.createRangeIn(c).getItems())n.mapper.unbindViewElement(e);t.stop()}}(e.model)),t.on("remove",Ge,{priority:"low"})})),e.conversion.for("dataDowncast").add((t=>{t.on("insert",Ke,{priority:"high"}),t.on("insert:listItem",$e(e.model))})),e.conversion.for("upcast").add((e=>{e.on("element:ul",Ye,{priority:"high"}),e.on("element:ol",Ye,{priority:"high"}),e.on("element:li",Qe,{priority:"high"}),e.on("element:li",Je)})),e.model.on("insertContent",et,{priority:"high"}),e.commands.add("numberedList",new Se(e,"numbered")),e.commands.add("bulletedList",new Se(e,"bulleted")),e.commands.add("indentList",new Ve(e,"forward")),e.commands.add("outdentList",new Ve(e,"backward"));const o=i.view.document;this.listenTo(o,"enter",((e,t)=>{const i=this.editor.model.document,n=i.selection.getLastPosition().parent;i.selection.isCollapsed&&"listItem"==n.name&&n.isEmpty&&(this.editor.execute("outdentList"),t.preventDefault(),e.stop())}),{context:"li"}),this.listenTo(o,"delete",((e,t)=>{if("backward"!==t.direction)return;const i=this.editor.model.document.selection;if(!i.isCollapsed)return;const n=i.getFirstPosition();if(!n.isAtStart)return;const o=n.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),t.preventDefault(),e.stop()))}),{context:"li"}),this.listenTo(e.editing.view.document,"tab",((t,i)=>{const n=i.shiftKey?"outdentList":"indentList";this.editor.commands.get(n).isEnabled&&(e.execute(n),i.stopPropagation(),i.preventDefault(),t.stop())}),{context:"li"})}afterInit(){const e=this.editor.commands,t=e.get("indent"),i=e.get("outdent");t&&t.registerChildCommand(e.get("indentList")),i&&i.registerChildCommand(e.get("outdentList"))}}function st(e){let t=1;for(const i of e.getChildren())if("ul"==i.name||"ol"==i.name)for(const e of i.getChildren())t+=st(e);return t}class rt extends n.Sy{static get requires(){return[ot,Q]}static get pluginName(){return"LegacyList"}}class at extends n.mY{constructor(e,t){super(e),this.defaultType=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){this._tryToConvertItemsToList(e);const t=this.editor.model,i=Fe(t);i.length&&t.change((t=>{for(const n of i)t.setAttribute("listStyle",e.type||this.defaultType,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")?e.getAttribute("listStyle"):null}_checkEnabled(){const e=this.editor,t=e.commands.get("numberedList"),i=e.commands.get("bulletedList");return t.isEnabled||i.isEnabled}_tryToConvertItemsToList(e){if(!e.type)return;const t=He(e.type);if(!t)return;const i=this.editor,n=`${t}List`;i.commands.get(n).value||i.execute(n)}}class lt extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute(e={}){const t=this.editor.model,i=Fe(t).filter((e=>"numbered"==e.getAttribute("listType")));t.change((t=>{for(const n of i)t.setAttribute("listReversed",!!e.reversed,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")&&"numbered"==e.getAttribute("listType")?e.getAttribute("listReversed"):null}}class ct extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute({startIndex:e=1}={}){const t=this.editor.model,i=Fe(t).filter((e=>"numbered"==e.getAttribute("listType")));t.change((t=>{for(const n of i)t.setAttribute("listStart",e>=0?e:1,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")&&"numbered"==e.getAttribute("listType")?e.getAttribute("listStart"):null}}const dt="default";class ht extends n.Sy{static get requires(){return[ot]}static get pluginName(){return"LegacyListPropertiesEditing"}constructor(e){super(e),e.config.define("list",{properties:{styles:!0,startIndex:!1,reversed:!1}})}init(){const e=this.editor,t=e.model,i=function(e){const t=[];return e.styles&&t.push({attributeName:"listStyle",defaultValue:dt,addCommand(e){e.commands.add("listStyle",new at(e,dt))},appliesToListItem:()=>!0,setAttributeOnDowncast(e,t,i){t&&t!==dt?e.setStyle("list-style-type",t,i):e.removeStyle("list-style-type",i)},getAttributeOnUpcast:e=>e.getStyle("list-style-type")||dt}),e.reversed&&t.push({attributeName:"listReversed",defaultValue:!1,addCommand(e){e.commands.add("listReversed",new lt(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),setAttributeOnDowncast(e,t,i){t?e.setAttribute("reversed","reversed",i):e.removeAttribute("reversed",i)},getAttributeOnUpcast:e=>e.hasAttribute("reversed")}),e.startIndex&&t.push({attributeName:"listStart",defaultValue:1,addCommand(e){e.commands.add("listStart",new ct(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),setAttributeOnDowncast(e,t,i){0==t||t>1?e.setAttribute("start",t,i):e.removeAttribute("start",i)},getAttributeOnUpcast(e){const t=e.getAttribute("start");return t>=0?t:1}}),t}(e.config.get("list.properties"));t.schema.extend("listItem",{allowAttributes:i.map((e=>e.attributeName))});for(const t of i)t.addCommand(e);var n;this.listenTo(e.commands.get("indentList"),"_executeCleanup",function(e,t){return(i,n)=>{const o=n[0],s=o.getAttribute("listIndent"),r=n.filter((e=>e.getAttribute("listIndent")===s));let a=null;o.previousSibling.getAttribute("listIndent")+1!==s&&(a=Le(o.previousSibling,{sameIndent:!0,direction:"backward",listIndent:s})),e.model.change((e=>{for(const i of r)for(const n of t)if(n.appliesToListItem(i)){const t=null==a?n.defaultValue:a.getAttribute(n.attributeName);e.setAttribute(n.attributeName,t,i)}}))}}(e,i)),this.listenTo(e.commands.get("outdentList"),"_executeCleanup",function(e,t){return(i,n)=>{if(!(n=n.reverse().filter((e=>e.is("element","listItem")))).length)return;const o=n[0].getAttribute("listIndent"),s=n[0].getAttribute("listType");let r=n[0].previousSibling;if(r.is("element","listItem"))for(;r.getAttribute("listIndent")!==o;)r=r.previousSibling;else r=null;r||(r=n[n.length-1].nextSibling),r&&r.is("element","listItem")&&r.getAttribute("listType")===s&&e.model.change((e=>{const i=n.filter((e=>e.getAttribute("listIndent")===o));for(const n of i)for(const i of t)if(i.appliesToListItem(n)){const t=i.attributeName,o=r.getAttribute(t);e.setAttribute(t,o,n)}}))}}(e,i)),this.listenTo(e.commands.get("bulletedList"),"_executeCleanup",gt(e)),this.listenTo(e.commands.get("numberedList"),"_executeCleanup",gt(e)),t.document.registerPostFixer(function(e,t){return i=>{let n=!1;const o=ft(e.model.document.differ.getChanges()).filter((e=>"todo"!==e.getAttribute("listType")));if(!o.length)return n;let s=o[o.length-1].nextSibling;if((!s||!s.is("element","listItem"))&&(s=o[0].previousSibling,s)){const e=o[0].getAttribute("listIndent");for(;s.is("element","listItem")&&s.getAttribute("listIndent")!==e&&(s=s.previousSibling,s););}for(const e of t){const t=e.attributeName;for(const r of o)if(e.appliesToListItem(r))if(r.hasAttribute(t)){const o=r.previousSibling;mt(o,r,e.attributeName)&&(i.setAttribute(t,o.getAttribute(t),r),n=!0)}else ut(s,r,e)?i.setAttribute(t,s.getAttribute(t),r):i.setAttribute(t,e.defaultValue,r),n=!0;else i.removeAttribute(t,r)}return n}}(e,i)),e.conversion.for("upcast").add((n=i,e=>{e.on("element:li",((e,t,i)=>{if(!t.modelRange)return;const o=t.viewItem.parent,s=t.modelRange.start.nodeAfter||t.modelRange.end.nodeBefore;for(const e of n)if(e.appliesToListItem(s)){const t=e.getAttributeOnUpcast(o);i.writer.setAttribute(e.attributeName,t,s)}}),{priority:"low"})})),e.conversion.for("downcast").add(function(e){return t=>{for(const i of e)t.on(`attribute:${i.attributeName}:listItem`,((e,t,n)=>{const o=n.writer,s=t.item,r=Le(s.previousSibling,{sameIndent:!0,listIndent:s.getAttribute("listIndent"),direction:"backward"}),a=n.mapper.toViewElement(s);var l,c;l=s,(c=r)&&l.getAttribute("listType")===c.getAttribute("listType")&&l.getAttribute("listIndent")===c.getAttribute("listIndent")&&l.getAttribute("listStyle")===c.getAttribute("listStyle")&&l.getAttribute("listReversed")===c.getAttribute("listReversed")&&l.getAttribute("listStart")===c.getAttribute("listStart")||o.breakContainer(o.createPositionBefore(a)),i.setAttributeOnDowncast(o,t.attributeNewValue,a.parent)}),{priority:"low"})}}(i)),this._mergeListAttributesWhileMergingLists(i)}afterInit(){const e=this.editor;e.commands.get("todoList")&&e.model.document.registerPostFixer(function(e){return t=>{const i=ft(e.model.document.differ.getChanges()).filter((e=>"todo"===e.getAttribute("listType")&&(e.hasAttribute("listStyle")||e.hasAttribute("listReversed")||e.hasAttribute("listStart"))));if(!i.length)return!1;for(const e of i)t.removeAttribute("listStyle",e),t.removeAttribute("listReversed",e),t.removeAttribute("listStart",e);return!0}}(e))}_mergeListAttributesWhileMergingLists(e){const t=this.editor.model;let i;this.listenTo(t,"deleteContent",((e,[t])=>{const n=t.getFirstPosition(),o=t.getLastPosition();if(n.parent===o.parent)return;if(!n.parent.is("element","listItem"))return;const s=o.parent.nextSibling;if(!s||!s.is("element","listItem"))return;const r=Le(n.parent,{sameIndent:!0,listIndent:s.getAttribute("listIndent")});r&&r.getAttribute("listType")===s.getAttribute("listType")&&(i=r)}),{priority:"high"}),this.listenTo(t,"deleteContent",(()=>{i&&(t.change((t=>{const n=Le(i.nextSibling,{sameIndent:!0,listIndent:i.getAttribute("listIndent"),direction:"forward"});if(!n)return void(i=null);const o=[n,...Ne(t.createPositionAt(n,0),"forward")];for(const n of o)for(const o of e)if(o.appliesToListItem(n)){const e=o.attributeName,s=i.getAttribute(e);t.setAttribute(e,s,n)}})),i=null)}),{priority:"low"})}}function ut(e,t,i){if(!e)return!1;const n=e.getAttribute(i.attributeName);return!!n&&n!=i.defaultValue&&e.getAttribute("listType")===t.getAttribute("listType")}function mt(e,t,i){if(!e||!e.is("element","listItem"))return!1;if(t.getAttribute("listType")!==e.getAttribute("listType"))return!1;const n=e.getAttribute("listIndent");if(n<1||n!==t.getAttribute("listIndent"))return!1;const o=e.getAttribute(i);return!(!o||o===t.getAttribute(i))}function gt(e){return(t,i)=>{i=i.filter((e=>e.is("element","listItem"))),e.model.change((e=>{for(const t of i)e.removeAttribute("listStyle",t)}))}}function ft(e){const t=[];for(const i of e){const e=pt(i);e&&e.is("element","listItem")&&t.push(e)}return t}function pt(e){return"attribute"===e.type?e.range.start.nodeAfter:"insert"===e.type?e.position.nodeAfter:null}class bt extends n.Sy{static get requires(){return[ht,pe]}static get pluginName(){return"LegacyListProperties"}}const wt="todoListChecked";class vt extends n.mY{constructor(e){super(e),this._selectedElements=[],this.on("execute",(()=>{this.refresh()}),{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every((e=>!!e.getAttribute(wt))),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const e=this.editor.model,t=e.schema,i=e.document.selection.getFirstRange(),n=i.start.parent,o=[];t.checkAttribute(n,wt)&&o.push(n);for(const e of i.getItems())t.checkAttribute(e,wt)&&!o.includes(e)&&o.push(e);return o}execute(e={}){this.editor.model.change((t=>{for(const i of this._selectedElements)(void 0===e.forceValue?!this.value:e.forceValue)?t.setAttribute(wt,!0,i):t.removeAttribute(wt,i)}))}}const _t=(e,t,i)=>{const n=t.modelCursor,o=n.parent,s=t.viewItem;if("checkbox"!=s.getAttribute("type")||"listItem"!=o.name||!n.isAtStart)return;if(!i.consumable.consume(s,{name:!0}))return;const r=i.writer;r.setAttribute("listType","todo",o),t.viewItem.hasAttribute("checked")&&r.setAttribute("todoListChecked",!0,o),t.modelRange=r.createRange(n)};function yt(e){return(t,i)=>{const n=i.modelPosition,o=n.parent;if(!o.is("element","listItem")||"todo"!=o.getAttribute("listType"))return;const s=Ct(i.mapper.toViewElement(o),e);s&&(i.viewPosition=i.mapper.findPositionIn(s,n.offset))}}function kt(e,t,i,n){return t.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(t){const o=(0,r.az)(document,"input",{type:"checkbox",tabindex:"-1"});i&&o.setAttribute("checked","checked"),o.addEventListener("change",(()=>n(e)));const s=this.toDomElement(t);return s.appendChild(o),s}))}function Ct(e,t){const i=t.createRangeIn(e);for(const e of i)if(e.item.is("containerElement","span")&&e.item.hasClass("todo-list__label__description"))return e.item}const At=(0,r.Zz)("Ctrl+Enter");class Et extends n.Sy{static get pluginName(){return"LegacyTodoListEditing"}static get requires(){return[ot]}init(){const e=this.editor,{editing:t,data:i,model:n}=e;n.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),n.schema.addAttributeCheck(((e,t)=>{const i=e.last;if("todoListChecked"==t&&"listItem"==i.name&&"todo"!=i.getAttribute("listType"))return!1})),e.commands.add("todoList",new Se(e,"todo"));const o=new vt(e);var s,a;e.commands.add("checkTodoList",o),e.commands.add("todoListCheck",o),i.downcastDispatcher.on("insert:listItem",function(e){return(t,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;if("todo"!=i.item.getAttribute("listType"))return;const s=i.item;o.consume(s,"insert"),o.consume(s,"attribute:listType"),o.consume(s,"attribute:listIndent"),o.consume(s,"attribute:todoListChecked");const r=n.writer,a=Re(s,n);r.addClass("todo-list",a.parent);const l=r.createContainerElement("label",{class:"todo-list__label"}),c=r.createEmptyElement("input",{type:"checkbox",disabled:"disabled"}),d=r.createContainerElement("span",{class:"todo-list__label__description"});s.getAttribute("todoListChecked")&&r.setAttribute("checked","checked",c),r.insert(r.createPositionAt(a,0),l),r.insert(r.createPositionAt(l,0),c),r.insert(r.createPositionAfter(c),d),Oe(s,a,n,e)}}(n),{priority:"high"}),i.upcastDispatcher.on("element:input",_t,{priority:"high"}),t.downcastDispatcher.on("insert:listItem",function(e,t){return(i,n,o)=>{const s=o.consumable;if(!s.test(n.item,"insert")||!s.test(n.item,"attribute:listType")||!s.test(n.item,"attribute:listIndent"))return;if("todo"!=n.item.getAttribute("listType"))return;const r=n.item;s.consume(r,"insert"),s.consume(r,"attribute:listType"),s.consume(r,"attribute:listIndent"),s.consume(r,"attribute:todoListChecked");const a=o.writer,l=Re(r,o),c=!!r.getAttribute("todoListChecked"),d=kt(r,a,c,t),h=a.createContainerElement("span",{class:"todo-list__label__description"});a.addClass("todo-list",l.parent),a.insert(a.createPositionAt(l,0),d),a.insert(a.createPositionAfter(d),h),Oe(r,l,o,e)}}(n,(e=>this._handleCheckmarkChange(e))),{priority:"high"}),t.downcastDispatcher.on("attribute:listType:listItem",(s=e=>this._handleCheckmarkChange(e),a=t.view,(e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.mapper.toViewElement(t.item),o=i.writer,r=function(e,t){const i=t.createRangeIn(e);for(const e of i)if(e.item.is("uiElement","label"))return e.item}(n,a);if("todo"==t.attributeNewValue){const e=!!t.item.getAttribute("todoListChecked"),i=kt(t.item,o,e,s),r=o.createContainerElement("span",{class:"todo-list__label__description"}),a=o.createRangeIn(n),l=De(n),c=Me(a.start),d=l?o.createPositionBefore(l):a.end,h=o.createRange(c,d);o.addClass("todo-list",n.parent),o.move(h,o.createPositionAt(r,0)),o.insert(o.createPositionAt(n,0),i),o.insert(o.createPositionAfter(i),r)}else if("todo"==t.attributeOldValue){const e=Ct(n,a);o.removeClass("todo-list",n.parent),o.remove(r),o.move(o.createRangeIn(e),o.createPositionBefore(e)),o.remove(e)}})),t.downcastDispatcher.on("attribute:todoListChecked:listItem",function(e){return(t,i,n)=>{if("todo"!=i.item.getAttribute("listType"))return;if(!n.consumable.consume(i.item,"attribute:todoListChecked"))return;const{mapper:o,writer:s}=n,r=!!i.item.getAttribute("todoListChecked"),a=o.toViewElement(i.item).getChild(0),l=kt(i.item,s,r,e);s.insert(s.createPositionAfter(a),l),s.remove(a)}}((e=>this._handleCheckmarkChange(e)))),t.mapper.on("modelToViewPosition",yt(t.view)),i.mapper.on("modelToViewPosition",yt(t.view)),this.listenTo(t.view.document,"arrowKey",function(e,t){return(i,n)=>{if("left"!=(0,r.mA)(n.keyCode,t.contentLanguageDirection))return;const o=e.schema,s=e.document.selection;if(!s.isCollapsed)return;const a=s.getFirstPosition(),l=a.parent;if("listItem"===l.name&&"todo"==l.getAttribute("listType")&&a.isAtStart){const t=o.getNearestSelectionRange(e.createPositionBefore(l),"backward");t&&e.change((e=>e.setSelection(t))),n.preventDefault(),n.stopPropagation(),i.stop()}}}(n,e.locale),{context:"li"}),this.listenTo(t.view.document,"keydown",((t,i)=>{(0,r.Cq)(i)===At&&(e.execute("checkTodoList"),t.stop())}),{priority:"high"});const l=new Set;this.listenTo(n,"applyOperation",((e,t)=>{const i=t[0];if("rename"==i.type&&"listItem"==i.oldName){const e=i.position.nodeAfter;e.hasAttribute("todoListChecked")&&l.add(e)}else if("changeAttribute"==i.type&&"listType"==i.key&&"todo"===i.oldValue)for(const e of i.range.getItems())e.hasAttribute("todoListChecked")&&"todo"!==e.getAttribute("listType")&&l.add(e)})),n.document.registerPostFixer((e=>{let t=!1;for(const i of l)e.removeAttribute("todoListChecked",i),t=!0;return l.clear(),t}))}_handleCheckmarkChange(e){const t=this.editor,i=t.model,n=Array.from(i.document.selection.getRanges());i.change((i=>{i.setSelection(e,"end"),t.execute("checkTodoList"),i.setSelection(n)}))}}class xt extends n.Sy{static get requires(){return[Et,xe]}static get pluginName(){return"LegacyTodoList"}}class Tt extends n.Sy{static get pluginName(){return"AdjacentListsSupport"}init(){const e=this.editor;e.model.schema.register("listSeparator",{allowWhere:"$block",isBlock:!0}),e.conversion.for("upcast").add((e=>{e.on("element:ol",St()),e.on("element:ul",St())})).elementToElement({model:"listSeparator",view:"ck-list-separator"}),e.conversion.for("editingDowncast").elementToElement({model:"listSeparator",view:{name:"div",classes:["ck-list-separator","ck-hidden"]}}),e.conversion.for("dataDowncast").elementToElement({model:"listSeparator",view:(e,t)=>{const i=t.writer.createContainerElement("ck-list-separator");return t.writer.setCustomProperty("dataPipeline:transparentRendering",!0,i),i.getFillerOffset=()=>null,i}})}}function St(){return(e,t,i)=>{const n=t.viewItem,o=n.nextSibling;if(!o)return;if(n.name!==o.name)return;t.modelRange||Object.assign(t,i.convertChildren(t.viewItem,t.modelCursor));const s=i.writer,r=s.createElement("listSeparator");if(!i.safeInsert(r,t.modelCursor))return;const a=i.getSplitParts(r);t.modelRange=s.createRange(t.modelRange.start,s.createPositionAfter(a[a.length-1])),i.updateConversionResult(r,t)}}class Pt extends n.Sy{static get requires(){return[X]}static get pluginName(){return"DocumentList"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-documentlist",{pluginName:"DocumentList"})}}class It extends n.Sy{static get requires(){return[we]}static get pluginName(){return"DocumentListProperties"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-documentlistproperties",{pluginName:"DocumentListProperties"})}}class Vt extends n.Sy{static get requires(){return[Te]}static get pluginName(){return"TodoDocumentList"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-tododocumentlist",{pluginName:"TodoDocumentList"})}}},174:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Mention:()=>S,MentionEditing:()=>r,MentionUI:()=>y});var n=i(7050),o=i(5608);class s extends n.mY{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}refresh(){const e=this.editor.model,t=e.document;this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"mention")}execute(e){const t=this.editor.model,i=t.document.selection,n="string"==typeof e.mention?{id:e.mention}:e.mention,s=n.id,r=e.range||i.getFirstRange();if(!t.canEditAt(r))return;const l=e.text||s,c=a({_text:l,id:s},n);if(1!=e.marker.length)throw new o.Bb("mentioncommand-incorrect-marker",this);if(s.charAt(0)!=e.marker)throw new o.Bb("mentioncommand-incorrect-id",this);t.change((e=>{const n=(0,o.qL)(i.getAttributes()),s=new Map(n.entries());s.set("mention",c),t.insertContent(e.createText(l,s),r),t.insertContent(e.createText(" 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o}(e,i,t.schema))),i.registerPostFixer((e=>function(e,t){const i=t.differ.getChanges();let n=!1;for(const t of i)if("attribute"===t.type&&"mention"!=t.attributeKey){const i=t.range.start.nodeBefore,o=t.range.end.nodeAfter;for(const s of[i,o])h(s)&&s.getAttribute(t.attributeKey)!=t.attributeNewValue&&(e.setAttribute(t.attributeKey,t.attributeNewValue,s),n=!0)}return n}(e,i))),i.registerPostFixer((e=>function(e,t){const i=t.selection,n=i.focus;return!!(i.isCollapsed&&i.hasAttribute("mention")&&function(e){const t=e.isAtStart;return e.nodeBefore&&e.nodeBefore.is("$text")||t}(n))&&(e.removeSelectionAttribute("mention"),!0)}(e,i))),e.commands.add("mention",new s(e))}}function a(e,t){return Object.assign({uid:(0,o.hQ)()},e,t||{})}function l(e,t){const i=e.getAttribute("data-mention"),n=e.getChild(0);if(n)return a({id:i,_text:n.data},t)}function c(e){e.on("attribute:mention",((e,t,i)=>{const n=t.attributeNewValue;if(!t.item.is("$textProxy")||!n)return;const 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t=0;e>0&&e{i?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))})),this.listenTo(this.domElement,"click",(()=>{this.fire("execute")}))}render(){super.render(),this.element=this.domElement}focus(){this.domElement.focus()}}class w extends m.dn{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}const v=[o.Do.arrowup,o.Do.arrowdown,o.Do.esc],_=[o.Do.enter,o.Do.tab];class y extends n.Sy{static get pluginName(){return"MentionUI"}static get requires(){return[m.WB]}constructor(e){super(e),this._items=new o.FE,this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=(0,f.Z)(this._requestFeed,100),e.config.define("mention",{feeds:[]})}init(){const e=this.editor,t=e.config.get("mention.commitKeys")||_,i=v.concat(t);this._balloon=e.plugins.get(m.WB),e.editing.view.document.on("keydown",((e,n)=>{var s;s=n.keyCode,i.includes(s)&&this._isUIVisible&&(n.preventDefault(),e.stop(),n.keyCode==o.Do.arrowdown&&this._mentionsView.selectNext(),n.keyCode==o.Do.arrowup&&this._mentionsView.selectPrevious(),t.includes(n.keyCode)&&this._mentionsView.executeSelected(),n.keyCode==o.Do.esc&&this._hideUIAndRemoveMarker())}),{priority:"highest"}),(0,m.eC)({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const n=e.config.get("mention.feeds");for(const e of n){const{feed:t,marker:i,dropdownLimit:n}=e;if(!x(i))throw new o.Bb("mentionconfig-incorrect-marker",null,{marker:i});const s={marker:i,feedCallback:"function"==typeof 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i=this.editor,n=i.model,o=t.item,s=t.marker,r=i.model.markers.get("mention"),a=n.createPositionAt(n.document.selection.focus),l=n.createPositionAt(r.getStart()),c=n.createRange(l,a);this._hideUIAndRemoveMarker(),i.execute("mention",{mention:o,text:o.text,marker:s,range:c}),i.editing.view.focus()})),t}_getItemRenderer(e){const{itemRenderer:t}=this._mentionsConfigurations.get(e);return t}_requestFeed(e,t){this._lastRequested=t;const{feedCallback:i}=this._mentionsConfigurations.get(e),n=i(t);n instanceof Promise?n.then((i=>{this._lastRequested==t?this.fire("requestFeed:response",{feed:i,marker:e,feedText:t}):this.fire("requestFeed:discarded",{feed:i,marker:e,feedText:t})})).catch((t=>{this.fire("requestFeed:error",{error:t}),(0,o.KE)("mention-feed-callback-error",{marker:e})})):this.fire("requestFeed:response",{feed:n,marker:e,feedText:t})}_setupTextWatcher(e){const t=this.editor,i=e.map((e=>({...e,pattern:A(e.marker,e.minimumCharacters||0)}))),n=new g.uL(t.model,function(e){return t=>{const i=C(e,t);if(!i)return!1;let n=0;0!==i.position&&(n=i.position-1);const o=t.substring(n);return i.pattern.test(o)}}(i));n.on("matched",((e,n)=>{const o=C(i,n.text),s=t.model.document.selection.focus,r=t.model.createPositionAt(s.parent,o.position);if(function(e){const t=e.textNode&&e.textNode.hasAttribute("mention"),i=e.nodeBefore;return t||i&&i.is("$text")&&i.hasAttribute("mention")}(s)||function(e){const t=e.nodeAfter;return t&&t.is("$text")&&t.hasAttribute("mention")}(r))return void this._hideUIAndRemoveMarker();const a=function(e,t){let i=0;0!==e.position&&(i=e.position-1);const n=A(e.marker,0);return t.substring(i).match(n)[2]}(o,n.text),l=o.marker.length+a.length,c=s.getShiftedBy(-l),d=s.getShiftedBy(-a.length),h=t.model.createRange(c,d);if(T(t)){const e=t.model.markers.get("mention");t.model.change((t=>{t.updateMarker(e,{range:h})}))}else t.model.change((e=>{e.addMarker("mention",{range:h,usingOperation:!1,affectsData:!1})}));this._requestFeedDebounced(o.marker,a)})),n.on("unmatched",(()=>{this._hideUIAndRemoveMarker()}));const o=t.commands.get("mention");return n.bind("isEnabled").to(o),n}_handleFeedResponse(e){const{feed:t,marker:i}=e;if(!T(this.editor))return;this._items.clear();for(const e of t){const t="object"!=typeof e?{id:e,text:e}:e;this._items.add({item:t,marker:i})}const n=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(n):this._hideUIAndRemoveMarker()}_showOrUpdateUI(e){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(e,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(e,this._mentionsView.position),singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),T(this.editor)&&this.editor.model.change((e=>e.removeMarker("mention"))),this._mentionsView.position=void 0}_renderItem(e,t){const i=this.editor;let n,o=e.id;const s=this._getItemRenderer(t);if(s){const t=s(e);"string"!=typeof t?n=new b(i.locale,t):o=t}if(!n){const e=new m.r5(i.locale);e.label=o,e.withText=!0,n=e}return n}_getBalloonPanelPositionData(e,t){const i=this.editor,n=i.editing,s=n.view.domConverter,r=n.mapper;return{target:()=>{let t=e.getRange();"$graveyard"==t.start.root.rootName&&(t=i.model.document.selection.getFirstRange());const n=r.toViewRange(t);return o.UL.getDomRangeRects(s.viewRangeToDom(n)).pop()},limiter:()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},positions:k(t,i.locale.uiLanguageDirection)}}}function k(e,t){const i={caret_se:e=>({top:e.bottom+3,left:e.right,name:"caret_se",config:{withArrow:!1}}),caret_ne:(e,t)=>({top:e.top-t.height-3,left:e.right,name:"caret_ne",config:{withArrow:!1}}),caret_sw:(e,t)=>({top:e.bottom+3,left:e.right-t.width,name:"caret_sw",config:{withArrow:!1}}),caret_nw:(e,t)=>({top:e.top-t.height-3,left:e.right-t.width,name:"caret_nw",config:{withArrow:!1}})};return Object.prototype.hasOwnProperty.call(i,e)?[i[e]]:"rtl"!==t?[i.caret_se,i.caret_sw,i.caret_ne,i.caret_nw]:[i.caret_sw,i.caret_se,i.caret_nw,i.caret_ne]}function C(e,t){let i;for(const n of e){const e=t.lastIndexOf(n.marker);e>0&&!t.substring(e-1).match(n.pattern)||(!i||e>=i.position)&&(i={marker:n.marker,position:e,minimumCharacters:n.minimumCharacters,pattern:n.pattern})}return i}function A(e,t){const i=0==t?"*":`{${t},}`,n=o.OB.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'";return new RegExp(`(?:^|[ ${n}])([${e}])(.${i})$`,"u")}function E(e){return t=>e.filter((e=>("string"==typeof e?e:String(e.id)).toLowerCase().includes(t.toLowerCase())))}function x(e){return e&&1==e.length}function T(e){return e.model.markers.has("mention")}class S extends n.Sy{toMentionAttribute(e,t){return l(e,t)}static get pluginName(){return"Mention"}static get requires(){return[r,y]}}},160:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Paragraph:()=>c,ParagraphButtonUI:()=>u});var n=i(3942),o=i(5323);class s extends n.Command{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}refresh(){const e=this.editor.model,t=e.document,i=(0,o.first)(t.selection.getSelectedBlocks());this.value=!!i&&i.is("element","paragraph"),this.isEnabled=!!i&&r(i,e.schema)}execute(e={}){const t=this.editor.model,i=t.document,n=e.selection||i.selection;t.canEditAt(n)&&t.change((e=>{const i=n.getSelectedBlocks();for(const n of i)!n.is("element","paragraph")&&r(n,t.schema)&&e.rename(n,"paragraph")}))}}function r(e,t){return t.checkChild(e.parent,"paragraph")&&!t.isObject(e)}class a extends n.Command{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}execute(e){const t=this.editor.model,i=e.attributes;let n=e.position;t.canEditAt(n)&&t.change((e=>{if(n=this._findPositionToInsertParagraph(n,e),!n)return;const o=e.createElement("paragraph");i&&t.schema.setAllowedAttributes(o,i,e),t.insertContent(o,n),e.setSelection(o,"in")}))}_findPositionToInsertParagraph(e,t){const i=this.editor.model;if(i.schema.checkChild(e,"paragraph"))return e;const n=i.schema.findAllowedParent(e,"paragraph");if(!n)return null;const o=e.parent,s=i.schema.checkChild(o,"$text");return o.isEmpty||s&&e.isAtEnd?i.createPositionAfter(o):!o.isEmpty&&s&&e.isAtStart?i.createPositionBefore(o):t.split(e,n).position}}class l extends n.Plugin{static get pluginName(){return"Paragraph"}init(){const e=this.editor,t=e.model;e.commands.add("paragraph",new s(e)),e.commands.add("insertParagraph",new a(e)),t.schema.register("paragraph",{inheritAllFrom:"$block"}),e.conversion.elementToElement({model:"paragraph",view:"p"}),e.conversion.for("upcast").elementToElement({model:(e,{writer:t})=>l.paragraphLikeElements.has(e.name)?e.isEmpty?null:t.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}l.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);const c=l;var d=i(5849);const h=n.icons.paragraph;class u extends 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n=i.dataTransfer;i.preventDefault(),this._fireOutputTransformationEvent(n,t.selection,e.name)};this.listenTo(i,"copy",n,{priority:"low"}),this.listenTo(i,"cut",((t,i)=>{e.model.canEditAt(e.model.document.selection)?n(t,i):i.preventDefault()}),{priority:"low"}),this.listenTo(this,"outputTransformation",((t,n)=>{const o=e.data.toView(n.content);i.fire("clipboardOutput",{dataTransfer:n.dataTransfer,content:o,method:n.method})}),{priority:"low"}),this.listenTo(i,"clipboardOutput",((i,n)=>{n.content.isEmpty||(n.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(n.content)),n.dataTransfer.setData("text/plain",c(n.content))),"cut"==n.method&&e.model.deleteContent(t.selection)}),{priority:"low"})}}var h=i(9587),u=i(5849);const m=(0,o.toUnit)("px");class g extends u.View{constructor(){super();const e=this.bindTemplate;this.set({isVisible:!1,left:null,top:null,width:null}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-clipboard-drop-target-line",e.if("isVisible","ck-hidden",(e=>!e))],style:{left:e.to("left",(e=>m(e))),top:e.to("top",(e=>m(e))),width:e.to("width",(e=>m(e)))}}})}}var f=i(111);class p extends n.Plugin{constructor(){super(...arguments),this.removeDropMarkerDelayed=(0,o.delay)((()=>this.removeDropMarker()),40),this._updateDropMarkerThrottled=(0,f.Z)((e=>this._updateDropMarker(e)),40),this._reconvertMarkerThrottled=(0,f.Z)((()=>{this.editor.model.markers.has("drop-target")&&this.editor.editing.reconvertMarker("drop-target")}),0),this._dropTargetLineView=new g,this._domEmitter=new((0,o.DomEmitterMixin)()),this._scrollables=new Map}static get pluginName(){return"DragDropTarget"}init(){this._setupDropMarker()}destroy(){this._domEmitter.stopListening();for(const{resizeObserver:e}of this._scrollables.values())e.destroy();return this._updateDropMarkerThrottled.cancel(),this.removeDropMarkerDelayed.cancel(),this._reconvertMarkerThrottled.cancel(),super.destroy()}updateDropMarker(e,t,i,n,o,s){this.removeDropMarkerDelayed.cancel();const r=b(this.editor,e,t,i,n,o,s);if(r)return s&&s.containsRange(r)?this.removeDropMarker():void this._updateDropMarkerThrottled(r)}getFinalDropRange(e,t,i,n,o,s){const r=b(this.editor,e,t,i,n,o,s);return this.removeDropMarker(),r}removeDropMarker(){const e=this.editor.model;this.removeDropMarkerDelayed.cancel(),this._updateDropMarkerThrottled.cancel(),this._dropTargetLineView.isVisible=!1,e.markers.has("drop-target")&&e.change((e=>{e.removeMarker("drop-target")}))}_setupDropMarker(){const e=this.editor;e.ui.view.body.add(this._dropTargetLineView),e.conversion.for("editingDowncast").markerToHighlight({model:"drop-target",view:{classes:["ck-clipboard-drop-target-range"]}}),e.conversion.for("editingDowncast").markerToElement({model:"drop-target",view:(t,{writer:i})=>{if(e.model.schema.checkChild(t.markerRange.start,"$text"))return this._dropTargetLineView.isVisible=!1,this._createDropTargetPosition(i);t.markerRange.isCollapsed?this._updateDropTargetLine(t.markerRange):this._dropTargetLineView.isVisible=!1}})}_updateDropMarker(e){const t=this.editor,i=t.model.markers;t.model.change((t=>{i.has("drop-target")?i.get("drop-target").getRange().isEqual(e)||t.updateMarker("drop-target",{range:e}):t.addMarker("drop-target",{range:e,usingOperation:!1,affectsData:!1})}))}_createDropTargetPosition(e){return e.createUIElement("span",{class:"ck ck-clipboard-drop-target-position"},(function(e){const t=this.toDomElement(e);return t.append("⁠",e.createElement("span"),"⁠"),t}))}_updateDropTargetLine(e){const t=this.editor.editing,i=e.start.nodeBefore,n=e.start.nodeAfter,s=e.start.parent,r=i?t.mapper.toViewElement(i):null,a=r?t.view.domConverter.mapViewToDom(r):null,l=n?t.mapper.toViewElement(n):null,c=l?t.view.domConverter.mapViewToDom(l):null,d=t.mapper.toViewElement(s);if(!d)return;const h=t.view.domConverter.mapViewToDom(d),u=this._getScrollableRect(d),{scrollX:m,scrollY:g}=o.global.window,f=a?new o.Rect(a):null,p=c?new o.Rect(c):null,b=new o.Rect(h).excludeScrollbarsAndBorders(),w=f?f.bottom:b.top,v=p?p.top:b.bottom,_=o.global.window.getComputedStyle(h),y=w<=v?(w+v)/2:v;if(u.topa.schema.checkChild(s,e)))){if(a.schema.checkChild(s,"$text"))return a.createRange(s);if(t)return v(e,y(e,t.parent),n,o)}}}else if(a.schema.isInline(c))return v(e,c,n,o);if(a.schema.isBlock(c))return v(e,c,n,o);if(a.schema.checkChild(c,"$block")){const t=Array.from(c.getChildren()).filter((t=>t.is("element")&&!w(e,t)));let i=0,s=t.length;if(0==s)return a.createRange(a.createPositionAt(c,"end"));for(;i{i?(this.forceDisabled("readOnlyMode"),this._isBlockDragging=!1):this.clearForceDisabled("readOnlyMode")})),o.env.isAndroid&&this.forceDisabled("noAndroidSupport"),e.plugins.has("BlockToolbar")){const t=e.plugins.get("BlockToolbar").buttonView.element;this._domEmitter.listenTo(t,"dragstart",((e,t)=>this._handleBlockDragStart(t))),this._domEmitter.listenTo(o.global.document,"dragover",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(o.global.document,"drop",((e,t)=>this._handleBlockDragging(t))),this._domEmitter.listenTo(o.global.document,"dragend",(()=>this._handleBlockDragEnd()),{useCapture:!0}),this.isEnabled&&t.setAttribute("draggable","true"),this.on("change:isEnabled",((e,i,n)=>{t.setAttribute("draggable",n?"true":"false")}))}}destroy(){return this._domEmitter.stopListening(),super.destroy()}_handleBlockDragStart(e){if(!this.isEnabled)return;const t=this.editor.model,i=t.document.selection,n=this.editor.editing.view,o=Array.from(i.getSelectedBlocks()),s=t.createRange(t.createPositionBefore(o[0]),t.createPositionAfter(o[o.length-1]));t.change((e=>e.setSelection(s))),this._isBlockDragging=!0,n.focus(),n.getObserver(r).onDomEvent(e)}_handleBlockDragging(e){if(!this.isEnabled||!this._isBlockDragging)return;const t=e.clientX+("ltr"==this.editor.locale.contentLanguageDirection?100:-100),i=e.clientY,n=document.elementFromPoint(t,i),o=this.editor.editing.view;n&&n.closest(".ck-editor__editable")&&o.getObserver(r).onDomEvent({...e,type:e.type,dataTransfer:e.dataTransfer,target:n,clientX:t,clientY:i,preventDefault:()=>e.preventDefault(),stopPropagation:()=>e.stopPropagation()})}_handleBlockDragEnd(){this._isBlockDragging=!1}}class C extends n.Plugin{constructor(){super(...arguments),this._clearDraggableAttributesDelayed=(0,o.delay)((()=>this._clearDraggableAttributes()),40),this._blockMode=!1,this._domEmitter=new((0,o.DomEmitterMixin)())}static get pluginName(){return"DragDrop"}static get requires(){return[d,h.Widget,p,k]}init(){const e=this.editor,t=e.editing.view;this._draggedRange=null,this._draggingUid="",this._draggableElement=null,t.addObserver(r),t.addObserver(s.MouseObserver),this._setupDragging(),this._setupContentInsertionIntegration(),this._setupClipboardInputIntegration(),this._setupDraggableAttributeHandling(),this.listenTo(e,"change:isReadOnly",((e,t,i)=>{i?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})),this.on("change:isEnabled",((e,t,i)=>{i||this._finalizeDragging(!1)})),o.env.isAndroid&&this.forceDisabled("noAndroidSupport")}destroy(){return this._draggedRange&&(this._draggedRange.detach(),this._draggedRange=null),this._previewContainer&&this._previewContainer.remove(),this._domEmitter.stopListening(),this._clearDraggableAttributesDelayed.cancel(),super.destroy()}_setupDragging(){const e=this.editor,t=e.model,i=e.editing.view,n=i.document,s=e.plugins.get(p);this.listenTo(n,"dragstart",((e,i)=>{if(i.target&&i.target.is("editableElement"))return void i.preventDefault();if(this._prepareDraggedRange(i.target),!this._draggedRange)return void i.preventDefault();this._draggingUid=(0,o.uid)(),i.dataTransfer.effectAllowed=this.isEnabled?"copyMove":"copy",i.dataTransfer.setData("application/ckeditor5-dragging-uid",this._draggingUid);const n=t.createSelection(this._draggedRange.toRange());this.editor.plugins.get("ClipboardPipeline")._fireOutputTransformationEvent(i.dataTransfer,n,"dragstart");const{dataTransfer:s,domTarget:r,domEvent:a}=i,{clientX:l}=a;this._updatePreview({dataTransfer:s,domTarget:r,clientX:l}),i.stopPropagation(),this.isEnabled||(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid="")}),{priority:"low"}),this.listenTo(n,"dragend",((e,t)=>{this._finalizeDragging(!t.dataTransfer.isCanceled&&"move"==t.dataTransfer.dropEffect)}),{priority:"low"}),this._domEmitter.listenTo(o.global.document,"dragend",(()=>{this._blockMode=!1}),{useCapture:!0}),this.listenTo(n,"dragenter",(()=>{this.isEnabled&&i.focus()})),this.listenTo(n,"dragleave",(()=>{s.removeDropMarkerDelayed()})),this.listenTo(n,"dragging",((e,t)=>{if(!this.isEnabled)return void(t.dataTransfer.dropEffect="none");const{clientX:i,clientY:n}=t.domEvent;s.updateDropMarker(t.target,t.targetRanges,i,n,this._blockMode,this._draggedRange),this._draggedRange||(t.dataTransfer.dropEffect="copy"),o.env.isGecko||("copy"==t.dataTransfer.effectAllowed?t.dataTransfer.dropEffect="copy":["all","copyMove"].includes(t.dataTransfer.effectAllowed)&&(t.dataTransfer.dropEffect="move")),e.stop()}),{priority:"low"})}_setupClipboardInputIntegration(){const e=this.editor,t=e.editing.view.document,i=e.plugins.get(p);this.listenTo(t,"clipboardInput",((t,n)=>{if("drop"!=n.method)return;const{clientX:o,clientY:s}=n.domEvent,r=i.getFinalDropRange(n.target,n.targetRanges,o,s,this._blockMode,this._draggedRange);return r?(this._draggedRange&&this._draggingUid!=n.dataTransfer.getData("application/ckeditor5-dragging-uid")&&(this._draggedRange.detach(),this._draggedRange=null,this._draggingUid=""),"move"==A(n.dataTransfer)&&this._draggedRange&&this._draggedRange.containsRange(r,!0)?(this._finalizeDragging(!1),void t.stop()):void(n.targetRanges=[e.editing.mapper.toViewRange(r)])):(this._finalizeDragging(!1),void t.stop())}),{priority:"high"})}_setupContentInsertionIntegration(){const e=this.editor.plugins.get(d);e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const i=t.targetRanges.map((e=>this.editor.editing.mapper.toModelRange(e)));this.editor.model.change((e=>e.setSelection(i)))}),{priority:"high"}),e.on("contentInsertion",((e,t)=>{if(!this.isEnabled||"drop"!==t.method)return;const i="move"==A(t.dataTransfer),n=!t.resultRange||!t.resultRange.isCollapsed;this._finalizeDragging(n&&i)}),{priority:"lowest"})}_setupDraggableAttributeHandling(){const e=this.editor,t=e.editing.view,i=t.document;this.listenTo(i,"mousedown",((n,s)=>{if(o.env.isAndroid||!s)return;this._clearDraggableAttributesDelayed.cancel();let r=E(s.target);if(o.env.isBlink&&!e.isReadOnly&&!r&&!i.selection.isCollapsed){const e=i.selection.getSelectedElement();e&&(0,h.isWidget)(e)||(r=i.selection.editableElement)}r&&(t.change((e=>{e.setAttribute("draggable","true",r)})),this._draggableElement=e.editing.mapper.toModelElement(r))})),this.listenTo(i,"mouseup",(()=>{o.env.isAndroid||this._clearDraggableAttributesDelayed()}))}_clearDraggableAttributes(){const e=this.editor.editing;e.view.change((t=>{this._draggableElement&&"$graveyard"!=this._draggableElement.root.rootName&&t.removeAttribute("draggable",e.mapper.toViewElement(this._draggableElement)),this._draggableElement=null}))}_finalizeDragging(e){const t=this.editor,i=t.model;t.plugins.get(p).removeDropMarker(),this._clearDraggableAttributes(),t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").clearForceDisabled("dragDrop"),this._draggingUid="",this._previewContainer&&(this._previewContainer.remove(),this._previewContainer=void 0),this._draggedRange&&(e&&this.isEnabled&&i.change((e=>{const t=i.createSelection(this._draggedRange);i.deleteContent(t,{doNotAutoparagraph:!0});const n=t.getFirstPosition().parent;n.isEmpty&&!i.schema.checkChild(n,"$text")&&i.schema.checkChild(n,"paragraph")&&e.insertElement("paragraph",n,0)})),this._draggedRange.detach(),this._draggedRange=null)}_prepareDraggedRange(e){const t=this.editor,i=t.model,n=i.document.selection,o=e?E(e):null;if(o){const e=t.editing.mapper.toModelElement(o);return this._draggedRange=s.LiveRange.fromRange(i.createRangeOn(e)),this._blockMode=i.schema.isBlock(e),void(t.plugins.has("WidgetToolbarRepository")&&t.plugins.get("WidgetToolbarRepository").forceDisabled("dragDrop"))}if(n.isCollapsed&&!n.getFirstPosition().parent.isEmpty)return;const r=Array.from(n.getSelectedBlocks()),a=n.getFirstRange();if(0==r.length)return void(this._draggedRange=s.LiveRange.fromRange(a));const l=x(i,r);if(r.length>1)this._draggedRange=s.LiveRange.fromRange(l),this._blockMode=!0;else if(1==r.length){const e=a.start.isTouching(l.start)&&a.end.isTouching(l.end);this._draggedRange=s.LiveRange.fromRange(e?l:a),this._blockMode=e}i.change((e=>e.setSelection(this._draggedRange.toRange())))}_updatePreview({dataTransfer:e,domTarget:t,clientX:i}){const n=this.editor.editing.view,s=n.document.selection.editableElement,r=n.domConverter.mapViewToDom(s),a=o.global.window.getComputedStyle(r);this._previewContainer?this._previewContainer.firstElementChild&&this._previewContainer.removeChild(this._previewContainer.firstElementChild):(this._previewContainer=(0,o.createElement)(o.global.document,"div",{style:"position: fixed; left: -999999px;"}),o.global.document.body.appendChild(this._previewContainer));const l=new o.Rect(r);if(r.contains(t))return;const c=parseFloat(a.paddingLeft),d=(0,o.createElement)(o.global.document,"div");d.className="ck ck-content",d.style.width=a.width,d.style.paddingLeft=`${l.left-i+c}px`,o.env.isiOS&&(d.style.backgroundColor="white"),d.innerHTML=e.getData("text/html"),e.setDragImage(d,0,0),this._previewContainer.appendChild(d)}}function A(e){return o.env.isGecko?e.dropEffect:["all","copyMove"].includes(e.effectAllowed)?"move":"copy"}function E(e){if(e.is("editableElement"))return null;if(e.hasClass("ck-widget__selection-handle"))return e.findAncestor(h.isWidget);if((0,h.isWidget)(e))return e;const t=e.findAncestor((e=>(0,h.isWidget)(e)||e.is("editableElement")));return(0,h.isWidget)(t)?t:null}function x(e,t){const i=t[0],n=t[t.length-1],o=i.getCommonAncestor(n),s=e.createPositionBefore(i),r=e.createPositionAfter(n);if(o&&o.is("element")&&!e.schema.isLimit(o)){const t=e.createRangeOn(o),i=s.isTouching(t.start),n=r.isTouching(t.end);if(i&&n)return x(e,[o])}return e.createRange(s,r)}class T extends n.Plugin{static get pluginName(){return"PastePlainText"}static get requires(){return[d]}init(){const e=this.editor,t=e.model,i=e.editing.view,n=i.document,o=t.document.selection;let s=!1;i.addObserver(r),this.listenTo(n,"keydown",((e,t)=>{s=t.shiftKey})),e.plugins.get(d).on("contentInsertion",((e,i)=>{(s||function(e,t){if(e.childCount>1)return!1;const 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Set,this.commands=new m,this.set("state","initializing"),this.once("ready",(()=>this.state="ready"),{priority:"high"}),this.once("destroy",(()=>this.state="destroyed"),{priority:"high"}),this.model=new u.Model,this.on("change:isReadOnly",(()=>{this.model.document.isReadOnly=this.isReadOnly}));const s=new u.StylesProcessor;this.data=new u.DataController(this.model,s),this.editing=new u.EditingController(this.model,s),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new u.Conversion([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new g(this),this.keystrokes.listenTo(this.editing.view.document)}get isReadOnly(){return this._readOnlyLocks.size>0}set isReadOnly(e){throw new n.CKEditorError("editor-isreadonly-has-no-setter")}enableReadOnlyMode(e){if("string"!=typeof e&&"symbol"!=typeof e)throw new n.CKEditorError("editor-read-only-lock-id-invalid",null,{lockId:e});this._readOnlyLocks.has(e)||(this._readOnlyLocks.add(e),1===this._readOnlyLocks.size&&this.fire("change:isReadOnly","isReadOnly",!0,!1))}disableReadOnlyMode(e){if("string"!=typeof e&&"symbol"!=typeof e)throw new n.CKEditorError("editor-read-only-lock-id-invalid",null,{lockId:e});this._readOnlyLocks.has(e)&&(this._readOnlyLocks.delete(e),0===this._readOnlyLocks.size&&this.fire("change:isReadOnly","isReadOnly",!1,!0))}initPlugins(){const e=this.config,t=e.get("plugins"),i=e.get("removePlugins")||[],n=e.get("extraPlugins")||[],o=e.get("substitutePlugins")||[];return this.plugins.init(t.concat(n),i,o)}destroy(){let e=Promise.resolve();return"initializing"==this.state&&(e=new Promise((e=>this.once("ready",e)))),e.then((()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()})).then((()=>this.plugins.destroy())).then((()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})).then((()=>this._context._removeEditor(this)))}execute(e,...t){try{return this.commands.execute(e,...t)}catch(e){n.CKEditorError.rethrowUnexpectedError(e,this)}}focus(){this.editing.view.focus()}static create(...e){throw new Error("This is an abstract method.")}}var p=i(3234);function b(e){if(!(0,p.Z)(e.updateSourceElement))throw new n.CKEditorError("attachtoform-missing-elementapi-interface",e);const t=e.sourceElement;if(function(e){return!!e&&"textarea"===e.tagName.toLowerCase()}(t)&&t.form){let i;const n=t.form,o=()=>e.updateSourceElement();(0,p.Z)(n.submit)&&(i=n.submit,n.submit=()=>{o(),i.apply(n)}),n.addEventListener("submit",o),e.on("destroy",(()=>{n.removeEventListener("submit",o),i&&(n.submit=i)}))}}function w(e){return class extends e{setData(e){this.data.set(e)}getData(e){return this.data.get(e)}}}{const e=w(Object);w.setData=e.prototype.setData,w.getData=e.prototype.getData}function v(e){return class extends e{updateSourceElement(e){if(!this.sourceElement)throw new n.CKEditorError("editor-missing-sourceelement",this);const t=this.config.get("updateSourceElementOnDestroy"),i=this.sourceElement instanceof HTMLTextAreaElement;if(!t&&!i)return void(0,n.setDataInElement)(this.sourceElement,"");const o="string"==typeof e?e:this.data.get();(0,n.setDataInElement)(this.sourceElement,o)}}}function _(e,t){if(t.ckeditorInstance)throw new n.CKEditorError("editor-source-element-already-used",e);t.ckeditorInstance=e,e.once("destroy",(()=>{delete t.ckeditorInstance}))}v.updateSourceElement=v(Object).prototype.updateSourceElement;class y extends h{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new n.Collection({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(e){if("string"!=typeof e)throw new n.CKEditorError("pendingactions-add-invalid-message",this);const t=new((0,n.ObservableMixin)());return t.set("message",e),this._actions.add(t),this.hasAny=!0,t}remove(e){this._actions.remove(e),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}const k={bold:'',cancel:i(2946).Z,caption:'',check:'',cog:'',colorPalette:'',eraser:'',history:'',image:'',imageUpload:'',imageAssetManager:'',imageUrl:'',lowVision:'',textAlternative:'',loupe:'',previousArrow:'',nextArrow:'',importExport:'',paragraph:'',plus:'',text:'',alignBottom:'',alignMiddle:'',alignTop:'',alignLeft:'',alignCenter:'',alignRight:'',alignJustify:'',objectLeft:'',objectCenter:'',objectRight:'',objectFullWidth:'',objectInline:'',objectBlockLeft:'',objectBlockRight:'',objectSizeFull:'',objectSizeLarge:'',objectSizeSmall:'',objectSizeMedium:'',pencil:'',pilcrow:'',quote:'',threeVerticalDots:'',dragIndicator:'',redo:'',undo:'',bulletedList:'',numberedList:'',todoList:'',codeBlock:'',browseFiles:'',heading1:'',heading2:'',heading3:'',heading4:'',heading5:'',heading6:'',horizontalLine:'',html:'',indent:'',outdent:'',table:''}},9239:(e,t,i)=>{"use strict";i.r(t),i.d(t,{ClassicEditor:()=>k});var n=i(6530),o=i(7422),s=i(5608);class r extends n.S8{constructor(e,t){super(e),this.view=t,this._toolbarConfig=(0,n.iw)(e.config.get("toolbar")),this._elementReplacer=new s.a6,this.listenTo(e.editing.view,"scrollToTheSelection",this._handleScrollToTheSelectionWithStickyPanel.bind(this))}get element(){return this.view.element}init(e){const t=this.editor,i=this.view,n=t.editing.view,o=i.editable,s=n.document.getRoot();o.name=s.rootName,i.render();const r=o.element;this.setEditableElement(o.name,r),i.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(r),e&&this._elementReplacer.replace(e,this.element),this._initPlaceholder(),this._initToolbar(),this._initDialogPluginIntegration(),this.fire("ready")}destroy(){super.destroy();const e=this.view,t=this.editor.editing.view;this._elementReplacer.restore(),t.detachDomRoot(e.editable.name),e.destroy()}_initToolbar(){const e=this.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,e.stickyPanel.bind("viewportTopOffset").to(this,"viewportOffset",(({top:e})=>e||0)),e.toolbar.fillFromConfig(this._toolbarConfig,this.componentFactory),this.addToolbar(e.toolbar)}_initPlaceholder(){const e=this.editor,t=e.editing.view,i=t.document.getRoot(),n=e.sourceElement;let s;const r=e.config.get("placeholder");r&&(s="string"==typeof r?r:r[this.view.editable.name]),!s&&n&&"textarea"===n.tagName.toLowerCase()&&(s=n.getAttribute("placeholder")),s&&(i.placeholder=s),(0,o.ID)({view:t,element:i,isDirectHost:!1,keepOnFocus:!0})}_handleScrollToTheSelectionWithStickyPanel(e,t,i){const n=this.view.stickyPanel;if(n.isSticky){const e=new s.UL(n.element).height;t.viewportOffset.top+=e}else{const e=()=>{this.editor.editing.view.scrollToTheSelection(i)};this.listenTo(n,"change:isSticky",e),setTimeout((()=>{this.stopListening(n,"change:isSticky",e)}),20)}}_initDialogPluginIntegration(){if(!this.editor.plugins.has("Dialog"))return;const e=this.view.stickyPanel,t=this.editor.plugins.get("Dialog");t.on("show",(()=>{const i=t.view;i.on("moveTo",((t,o)=>{if(!e.isSticky||i.wasMoved)return;const r=new s.UL(e.contentPanelElement);o[1]{const t="error"in e?e.error:e.reason;t instanceof Error&&this._handleError(t,e)},this._listeners={},!this._restart)throw new Error("The Watchdog class was split into the abstract `Watchdog` class and the `EditorWatchdog` class. Please, use `EditorWatchdog` if you have used the `Watchdog` class previously.")}destroy(){this._stopErrorHandling(),this._listeners={}}on(e,t){this._listeners[e]||(this._listeners[e]=[]),this._listeners[e].push(t)}off(e,t){this._listeners[e]=this._listeners[e].filter((e=>e!==t))}_fire(e,...t){const i=this._listeners[e]||[];for(const e of i)e.apply(this,[null,...t])}_startErrorHandling(){window.addEventListener("error",this._boundErrorHandler),window.addEventListener("unhandledrejection",this._boundErrorHandler)}_stopErrorHandling(){window.removeEventListener("error",this._boundErrorHandler),window.removeEventListener("unhandledrejection",this._boundErrorHandler)}_handleError(e,t){if(this._shouldReactToError(e)){this.crashes.push({message:e.message,stack:e.stack,filename:t instanceof ErrorEvent?t.filename:void 0,lineno:t instanceof ErrorEvent?t.lineno:void 0,colno:t instanceof ErrorEvent?t.colno:void 0,date:this._now()});const i=this._shouldRestart();this.state="crashed",this._fire("stateChange"),this._fire("error",{error:e,causesRestart:i}),i?this._restart():(this.state="crashedPermanently",this._fire("stateChange"))}}_shouldReactToError(e){return e.is&&e.is("CKEditorError")&&void 0!==e.context&&null!==e.context&&"ready"===this.state&&this._isErrorComingFromThisItem(e)}_shouldRestart(){return this.crashes.length<=this._crashNumberLimit||(this.crashes[this.crashes.length-1].date-this.crashes[this.crashes.length-1-this._crashNumberLimit].date)/this._crashNumberLimit>this._minimumNonErrorTimePeriod}}function d(e,t=new Set){const i=[e],n=new Set;let o=0;for(;i.length>o;){const e=i[o++];if(!n.has(e)&&h(e)&&!t.has(e))if(n.add(e),Symbol.iterator in e)try{for(const t of e)i.push(t)}catch(e){}else for(const t in e)"defaultValue"!==t&&i.push(e[t])}return n}function h(e){const t=Object.prototype.toString.call(e),i=typeof e;return!("number"===i||"boolean"===i||"string"===i||"symbol"===i||"function"===i||"[object Date]"===t||"[object RegExp]"===t||"[object Module]"===t||null==e||e._watchdogExcluded||e instanceof EventTarget||e instanceof Event)}function u(e,t,i=new Set){if(e===t&&"object"==typeof(n=e)&&null!==n)return!0;var n;const o=d(e,i),s=d(t,i);for(const e of o)if(s.has(e))return!0;return!1}var m=i(111),g=i(3251),f=i(4612);class p extends c{constructor(e,t={}){super(t),this._editor=null,this._initUsingData=!0,this._editables={},this._throttledSave=(0,m.Z)(this._save.bind(this),"number"==typeof t.saveInterval?t.saveInterval:5e3),e&&(this._creator=(t,i)=>e.create(t,i)),this._destructor=e=>e.destroy()}get editor(){return this._editor}get _item(){return this._editor}setCreator(e){this._creator=e}setDestructor(e){this._destructor=e}_restart(){return Promise.resolve().then((()=>(this.state="initializing",this._fire("stateChange"),this._destroy()))).catch((e=>{console.error("An error happened during the editor destroying.",e)})).then((()=>{const e={},t=[],i=this._config.rootsAttributes||{},n={};for(const[o,s]of Object.entries(this._data.roots))s.isLoaded?(e[o]="",n[o]=i[o]||{}):t.push(o);const o={...this._config,extraPlugins:this._config.extraPlugins||[],lazyRoots:t,rootsAttributes:n,_watchdogInitialData:this._data};return delete o.initialData,o.extraPlugins.push(b),this._initUsingData?this.create(e,o,o.context):(0,g.Z)(this._elementOrData)?this.create(this._elementOrData,o,o.context):this.create(this._editables,o,o.context)})).then((()=>{this._fire("restart")}))}create(e=this._elementOrData,t=this._config,i){return Promise.resolve().then((()=>(super._startErrorHandling(),this._elementOrData=e,this._initUsingData="string"==typeof e||Object.keys(e).length>0&&"string"==typeof Object.values(e)[0],this._config=this._cloneEditorConfiguration(t)||{},this._config.context=i,this._creator(e,this._config)))).then((e=>{this._editor=e,e.model.document.on("change:data",this._throttledSave),this._lastDocumentVersion=e.model.document.version,this._data=this._getData(),this._initUsingData||(this._editables=this._getEditables()),this.state="ready",this._fire("stateChange")}))}destroy(){return Promise.resolve().then((()=>(this.state="destroyed",this._fire("stateChange"),super.destroy(),this._destroy())))}_destroy(){return Promise.resolve().then((()=>{this._stopErrorHandling(),this._throttledSave.cancel();const e=this._editor;return this._editor=null,e.model.document.off("change:data",this._throttledSave),this._destructor(e)}))}_save(){const e=this._editor.model.document.version;try{this._data=this._getData(),this._initUsingData||(this._editables=this._getEditables()),this._lastDocumentVersion=e}catch(e){console.error(e,"An error happened during restoring editor data. Editor will be restored from the previously saved data.")}}_setExcludedProperties(e){this._excludedProps=e}_getData(){const e=this._editor,t=e.model.document.roots.filter((e=>e.isAttached()&&"$graveyard"!=e.rootName)),{plugins:i}=e,n=i.has("CommentsRepository")&&i.get("CommentsRepository"),o=i.has("TrackChanges")&&i.get("TrackChanges"),s={roots:{},markers:{},commentThreads:JSON.stringify([]),suggestions:JSON.stringify([])};t.forEach((e=>{s.roots[e.rootName]={content:JSON.stringify(Array.from(e.getChildren())),attributes:JSON.stringify(Array.from(e.getAttributes())),isLoaded:e._isLoaded}}));for(const t of e.model.markers)t._affectsData&&(s.markers[t.name]={rangeJSON:t.getRange().toJSON(),usingOperation:t._managedUsingOperations,affectsData:t._affectsData});return n&&(s.commentThreads=JSON.stringify(n.getCommentThreads({toJSON:!0,skipNotAttached:!0}))),o&&(s.suggestions=JSON.stringify(o.getSuggestions({toJSON:!0,skipNotAttached:!0}))),s}_getEditables(){const e={};for(const t of this.editor.model.document.getRootNames()){const i=this.editor.ui.getEditableElement(t);i&&(e[t]=i)}return e}_isErrorComingFromThisItem(e){return u(this._editor,e.context,this._excludedProps)}_cloneEditorConfiguration(e){return(0,f.Z)(e,((e,t)=>(0,g.Z)(e)||"context"===t?e:void 0))}}class b{constructor(e){this.editor=e,this._data=e.config.get("_watchdogInitialData")}init(){this.editor.data.on("init",(e=>{e.stop(),this.editor.model.enqueueChange({isUndoable:!1},(e=>{this._restoreCollaborationData(),this._restoreEditorData(e)})),this.editor.data.fire("ready")}),{priority:999})}_createNode(e,t){if("name"in t){const i=e.createElement(t.name,t.attributes);if(t.children)for(const n of t.children)i._appendChild(this._createNode(e,n));return i}return e.createText(t.data,t.attributes)}_restoreEditorData(e){const t=this.editor;Object.entries(this._data.roots).forEach((([i,{content:n,attributes:o}])=>{const s=JSON.parse(n),r=JSON.parse(o),a=t.model.document.getRoot(i);for(const[t,i]of r)e.setAttribute(t,i,a);for(const t of s){const i=this._createNode(e,t);e.insert(i,a,"end")}})),Object.entries(this._data.markers).forEach((([i,n])=>{const{document:o}=t.model,{rangeJSON:{start:s,end:r},...a}=n,l=o.getRoot(s.root),c=e.createPositionFromPath(l,s.path,s.stickiness),d=e.createPositionFromPath(l,r.path,r.stickiness),h=e.createRange(c,d);e.addMarker(i,{range:h,...a})}))}_restoreCollaborationData(){const e=JSON.parse(this._data.commentThreads),t=JSON.parse(this._data.suggestions);e.forEach((e=>{const t=this.editor.config.get("collaboration.channelId"),i=this.editor.plugins.get("CommentsRepository");i.hasCommentThread(e.threadId)&&i.getCommentThread(e.threadId).remove(),i.addCommentThread({channelId:t,...e})})),t.forEach((e=>{const t=this.editor.plugins.get("TrackChangesEditing");t.hasSuggestion(e.id)?t.getSuggestion(e.id).attributes=e.attributes:t.addSuggestionData(e)}))}}const w=Symbol("MainQueueId");class v{constructor(){this._onEmptyCallbacks=[],this._queues=new Map,this._activeActions=0}onEmpty(e){this._onEmptyCallbacks.push(e)}enqueue(e,t){const i=e===w;this._activeActions++,this._queues.get(e)||this._queues.set(e,Promise.resolve());const n=(i?Promise.all(this._queues.values()):Promise.all([this._queues.get(w),this._queues.get(e)])).then(t),o=n.catch((()=>{}));return this._queues.set(e,o),n.finally((()=>{this._activeActions--,this._queues.get(e)===o&&0===this._activeActions&&this._onEmptyCallbacks.forEach((e=>e()))}))}}function _(e){return Array.isArray(e)?e:[e]}class y extends((0,l.W9)((0,l.xK)(l.ML))){constructor(e,t={}){if(!C(e)&&void 0!==t.initialData)throw new s.Bb("editor-create-initial-data",null);super(t),void 0===this.config.get("initialData")&&this.config.set("initialData",function(e){return C(e)?(0,s.yy)(e):e}(e)),C(e)&&(this.sourceElement=e),this.model.document.createRoot();const i=!this.config.get("toolbar.shouldNotGroupWhenFull"),n=new a(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:i});this.ui=new r(this,n),(0,l.P$)(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(e,t={}){return new Promise((i=>{const n=new this(e,t);i(n.initPlugins().then((()=>n.ui.init(C(e)?e:null))).then((()=>n.data.init(n.config.get("initialData")))).then((()=>n.fire("ready"))).then((()=>n)))}))}}y.Context=l._y,y.EditorWatchdog=p,y.ContextWatchdog=class extends c{constructor(e,t={}){super(t),this._watchdogs=new Map,this._context=null,this._contextProps=new Set,this._actionQueues=new v,this._watchdogConfig=t,this._creator=t=>e.create(t),this._destructor=e=>e.destroy(),this._actionQueues.onEmpty((()=>{"initializing"===this.state&&(this.state="ready",this._fire("stateChange"))}))}setCreator(e){this._creator=e}setDestructor(e){this._destructor=e}get context(){return this._context}create(e={}){return this._actionQueues.enqueue(w,(()=>(this._contextConfig=e,this._create())))}getItem(e){return this._getWatchdog(e)._item}getItemState(e){return this._getWatchdog(e).state}add(e){const t=_(e);return Promise.all(t.map((e=>this._actionQueues.enqueue(e.id,(()=>{if("destroyed"===this.state)throw new Error("Cannot add items to destroyed watchdog.");if(!this._context)throw new Error("Context was not created yet. You should call the `ContextWatchdog#create()` method first.");let t;if(this._watchdogs.has(e.id))throw new Error(`Item with the given id is already added: '${e.id}'.`);if("editor"===e.type)return t=new p(null,this._watchdogConfig),t.setCreator(e.creator),t._setExcludedProperties(this._contextProps),e.destructor&&t.setDestructor(e.destructor),this._watchdogs.set(e.id,t),t.on("error",((i,{error:n,causesRestart:o})=>{this._fire("itemError",{itemId:e.id,error:n}),o&&this._actionQueues.enqueue(e.id,(()=>new Promise((i=>{const n=()=>{t.off("restart",n),this._fire("itemRestart",{itemId:e.id}),i()};t.on("restart",n)}))))})),t.create(e.sourceElementOrData,e.config,this._context);throw new Error(`Not supported item type: '${e.type}'.`)})))))}remove(e){const t=_(e);return Promise.all(t.map((e=>this._actionQueues.enqueue(e,(()=>{const t=this._getWatchdog(e);return this._watchdogs.delete(e),t.destroy()})))))}destroy(){return 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v&&(t.offsetInText+t.data.length==t.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?i=Ee._createAfter(t.textNode):(n=Ee._createAfter(t.textNode),this._position=n)),0===t.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?i=Ee._createBefore(t.textNode):(n=Ee._createBefore(t.textNode),this._position=n))),{done:!1,value:{type:e,item:t,previousPosition:i,nextPosition:n,length:o}}}}class Ee extends g{constructor(e,t){super(),this.parent=e,this.offset=t}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const e=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e 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1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const e of this._ranges)yield e.clone()}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?e.clone():null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?e.clone():null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let i=!1;for(const n of e._ranges)if(t.isEqual(n)){i=!0;break}if(!i)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=(0,n.count)(this.getRanges());if(t!=(0,n.count)(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let i=!1;for(let n of e.getRanges())if(n=n.getTrimmed(),t.start.isEqual(n.start)&&t.end.isEqual(n.end)){i=!0;break}if(!i)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(...e){let[t,i,o]=e;if("object"==typeof i&&(o=i,i=void 0),null===t)this._setRanges([]),this._setFakeOptions(o);else if(t instanceof Se||t instanceof Pe)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof xe)this._setRanges([t],o&&o.backward),this._setFakeOptions(o);else if(t instanceof Ee)this._setRanges([new xe(t)]),this._setFakeOptions(o);else if(t instanceof b){const e=!!o&&!!o.backward;let s;if(void 0===i)throw new n.CKEditorError("view-selection-setto-required-second-parameter",this);s="in"==i?xe._createIn(t):"on"==i?xe._createOn(t):new xe(Ee._createAt(t,i)),this._setRanges([s],e),this._setFakeOptions(o)}else{if(!(0,n.isIterable)(t))throw new n.CKEditorError("view-selection-setto-not-selectable",this);this._setRanges(t,o&&o.backward),this._setFakeOptions(o)}this.fire("change")}setFocus(e,t){if(null===this.anchor)throw new n.CKEditorError("view-selection-setfocus-no-ranges",this);const i=Ee._createAt(e,t);if("same"==i.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==i.compareWith(o)?this._addRange(new xe(i,o),!0):this._addRange(new xe(o,i)),this.fire("change")}_setRanges(e,t=!1){e=Array.from(e),this._ranges=[];for(const t of e)this._addRange(t);this._lastRangeBackward=!!t}_setFakeOptions(e={}){this._isFake=!!e.fake,this._fakeSelectionLabel=e.fake&&e.label||""}_addRange(e,t=!1){if(!(e instanceof xe))throw new 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this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(e){return this._selection.isEqual(e)}isSimilar(e){return this._selection.isSimilar(e)}_setTo(...e){this._selection.setTo(...e)}_setFocus(e,t){this._selection.setFocus(e,t)}}Pe.prototype.is=function(e){return"selection"===e||"documentSelection"==e||"view:selection"==e||"view:documentSelection"==e};class Ie extends n.EventInfo{constructor(e,t,i){super(e,t),this.startRange=i,this._eventPhase="none",this._currentTarget=null}get eventPhase(){return this._eventPhase}get currentTarget(){return this._currentTarget}}const Ve=Symbol("bubbling contexts");function Re(e){return class extends e{fire(e,...t){try{const i=e instanceof 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w?Xe(s,r):Ye(o)}_wrapAttributeElement(e,t){if(!ot(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const i of e.getAttributeKeys())if("class"!==i&&"style"!==i&&t.hasAttribute(i)&&t.getAttribute(i)!==e.getAttribute(i))return!1;for(const i of e.getStyleNames())if(t.hasStyle(i)&&t.getStyle(i)!==e.getStyle(i))return!1;for(const i of e.getAttributeKeys())"class"!==i&&"style"!==i&&(t.hasAttribute(i)||this.setAttribute(i,e.getAttribute(i),t));for(const i of e.getStyleNames())t.hasStyle(i)||this.setStyle(i,e.getStyle(i),t);for(const i of e.getClassNames())t.hasClass(i)||this.addClass(i,t);return!0}_unwrapAttributeElement(e,t){if(!ot(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const i of e.getAttributeKeys())if("class"!==i&&"style"!==i&&(!t.hasAttribute(i)||t.getAttribute(i)!==e.getAttribute(i)))return!1;if(!t.hasClass(...e.getClassNames()))return!1;for(const i of e.getStyleNames())if(!t.hasStyle(i)||t.getStyle(i)!==e.getStyle(i))return!1;for(const i of e.getAttributeKeys())"class"!==i&&"style"!==i&&this.removeAttribute(i,t);return this.removeClass(Array.from(e.getClassNames()),t),this.removeStyle(Array.from(e.getStyleNames()),t),!0}_breakAttributesRange(e,t=!1){const i=e.start,n=e.end;if(nt(e,this.document),e.isCollapsed){const i=this._breakAttributes(e.start,t);return new xe(i,i)}const o=this._breakAttributes(n,t),s=o.parent.childCount,r=this._breakAttributes(i,t);return o.offset+=o.parent.childCount-s,new xe(r,o)}_breakAttributes(e,t=!1){const i=e.offset,o=e.parent;if(e.parent.is("emptyElement"))throw new n.CKEditorError("view-writer-cannot-break-empty-element",this.document);if(e.parent.is("uiElement"))throw new n.CKEditorError("view-writer-cannot-break-ui-element",this.document);if(e.parent.is("rawElement"))throw new n.CKEditorError("view-writer-cannot-break-raw-element",this.document);if(!t&&o.is("$text")&&it(o.parent))return e.clone();if(it(o))return e.clone();if(o.is("$text"))return this._breakAttributes(Qe(e),t);if(i==o.childCount){const e=new Ee(o.parent,o.index+1);return this._breakAttributes(e,t)}if(0===i){const e=new Ee(o.parent,o.index);return this._breakAttributes(e,t)}{const e=o.index+1,n=o._clone();o.parent._insertChild(e,n),this._addToClonedElementsGroup(n);const s=o.childCount-i,r=o._removeChildren(i,s);n._appendChild(r);const a=new Ee(o.parent,e);return this._breakAttributes(a,t)}}_addToClonedElementsGroup(e){if(!e.root.is("rootElement"))return;if(e.is("element"))for(const t of e.getChildren())this._addToClonedElementsGroup(t);const t=e.id;if(!t)return;let i=this._cloneGroups.get(t);i||(i=new Set,this._cloneGroups.set(t,i)),i.add(e),e._clonesGroup=i}_removeFromClonedElementsGroup(e){if(e.is("element"))for(const t of e.getChildren())this._removeFromClonedElementsGroup(t);const t=e.id;if(!t)return;const i=this._cloneGroups.get(t);i&&i.delete(e)}}function Je(e){let t=e.parent;for(;!it(t);){if(!t)return;t=t.parent}return t}function Ye(e){const t=e.nodeBefore;if(t&&t.is("$text"))return new Ee(t,t.data.length);const i=e.nodeAfter;return i&&i.is("$text")?new Ee(i,0):e}function Qe(e){if(e.offset==e.parent.data.length)return new Ee(e.parent.parent,e.parent.index+1);if(0===e.offset)return new Ee(e.parent.parent,e.parent.index);const t=e.parent.data.slice(e.offset);return e.parent._data=e.parent.data.slice(0,e.offset),e.parent.parent._insertChild(e.parent.index+1,new w(e.root.document,t)),new Ee(e.parent.parent,e.parent.index+1)}function Xe(e,t){const i=e.data.length;return e._data+=t.data,t._remove(),new Ee(e,i)}const et=[w,Fe,ve,He,Ze,je];function tt(e,t){for(const i of e){if(!et.some((e=>i instanceof e)))throw new n.CKEditorError("view-writer-insert-invalid-node-type",t);i.is("$text")||tt(i.getChildren(),t)}}function it(e){return e&&(e.is("containerElement")||e.is("documentFragment"))}function nt(e,t){const i=Je(e.start),o=Je(e.end);if(!i||!o||i!==o)throw new n.CKEditorError("view-writer-invalid-range-container",t)}function ot(e,t){return null===e.id&&null===t.id}const st=e=>e.createTextNode(" "),rt=e=>{const t=e.createElement("span");return t.dataset.ckeFiller="true",t.innerText=" ",t},at=e=>{const t=e.createElement("br");return t.dataset.ckeFiller="true",t},lt=7,ct="⁠".repeat(lt);function dt(e){return"string"==typeof e?e.substr(0,lt)===ct:(0,n.isText)(e)&&e.data.substr(0,lt)===ct}function ht(e){return e.data.length==lt&&dt(e)}function ut(e){const t="string"==typeof e?e:e.data;return dt(e)?t.slice(lt):t}function mt(e,t){if(t.keyCode==n.keyCodes.arrowleft){const e=t.domTarget.ownerDocument.defaultView.getSelection();if(1==e.rangeCount&&e.getRangeAt(0).collapsed){const t=e.getRangeAt(0).startContainer,i=e.getRangeAt(0).startOffset;dt(t)&&i<=lt&&e.collapse(t,0)}}}class gt extends((0,n.ObservableMixin)()){constructor(e,t){super(),this.domDocuments=new Set,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this._inlineFiller=null,this._fakeSelectionContainer=null,this.domConverter=e,this.selection=t,this.set("isFocused",!1),this.set("isSelecting",!1),n.env.isBlink&&!n.env.isAndroid&&this.on("change:isSelecting",(()=>{this.isSelecting||this.render()})),this.set("isComposing",!1),this.on("change:isComposing",(()=>{this.isComposing||this.render()}))}markToSync(e,t){if("text"===e)this.domConverter.mapViewToDom(t.parent)&&this.markedTexts.add(t);else{if(!this.domConverter.mapViewToDom(t))return;if("attributes"===e)this.markedAttributes.add(t);else{if("children"!==e)throw new n.CKEditorError("view-renderer-unknown-type",this);this.markedChildren.add(t)}}}render(){if(this.isComposing&&!n.env.isAndroid)return;let e=null;const t=!(n.env.isBlink&&!n.env.isAndroid&&this.isSelecting);for(const e of this.markedChildren)this._updateChildrenMappings(e);t?(this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?e=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(e=this.selection.getFirstPosition(),this.markedChildren.add(e.parent))):this._inlineFiller&&this._inlineFiller.parentNode&&(e=this.domConverter.domPositionToView(this._inlineFiller),e&&e.parent.is("$text")&&(e=Ee._createBefore(e.parent)));for(const e of this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});if(t)if(e){const t=this.domConverter.viewPositionToDom(e),i=t.parent.ownerDocument;dt(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=ft(i,t.parent,t.offset)}else this._inlineFiller=null;this._updateFocus(),this._updateSelection(),this.domConverter._clearTemporaryCustomProperties(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const i=Array.from(t.childNodes),o=Array.from(this.domConverter.viewChildrenToDom(e,{withChildren:!1})),s=this._diffNodeLists(i,o),r=this._findUpdateActions(s,i,o,pt);if(-1!==r.indexOf("update")){const t={equal:0,insert:0,delete:0};for(const s of r)if("update"===s){const s=t.equal+t.insert,r=t.equal+t.delete,a=e.getChild(s);!a||a.is("uiElement")||a.is("rawElement")||this._updateElementMappings(a,i[r]),(0,n.remove)(o[s]),t.equal++}else t[s]++}}_updateElementMappings(e,t){this.domConverter.unbindDomElement(t),this.domConverter.bindElements(t,e),this.markedChildren.add(e),this.markedAttributes.add(e)}_getInlineFillerPosition(){const e=this.selection.getFirstPosition();return e.parent.is("$text")?Ee._createBefore(e.parent):e}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=this.domConverter.viewPositionToDom(e);return!!(t&&(0,n.isText)(t.parent)&&dt(t.parent))}_removeInlineFiller(){const e=this._inlineFiller;if(!dt(e))throw new n.CKEditorError("view-renderer-filler-was-lost",this);ht(e)?e.remove():e.data=e.data.substr(lt),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const e=this.selection.getFirstPosition(),t=e.parent,i=e.offset;if(!this.domConverter.mapViewToDom(t.root))return!1;if(!t.is("element"))return!1;if(!function(e){if("false"==e.getAttribute("contenteditable"))return!1;const t=e.findAncestor((e=>e.hasAttribute("contenteditable")));return!t||"true"==t.getAttribute("contenteditable")}(t))return!1;if(i===t.getFillerOffset())return!1;const o=e.nodeBefore,s=e.nodeAfter;return!(o instanceof w||s instanceof w||n.env.isAndroid&&(o||s))}_updateText(e,t){const i=this.domConverter.findCorrespondingDomText(e);let n=this.domConverter.viewToDom(e).data;const o=t.inlineFillerPosition;o&&o.parent==e.parent&&o.offset==e.index&&(n=ct+n),vt(i,n)}_updateAttrs(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const i=Array.from(t.attributes).map((e=>e.name)),n=e.getAttributeKeys();for(const i of n)this.domConverter.setDomElementAttribute(t,i,e.getAttribute(i),e);for(const n of i)e.hasAttribute(n)||this.domConverter.removeDomElementAttribute(t,n)}_updateChildren(e,t){const i=this.domConverter.mapViewToDom(e);if(!i)return;if(n.env.isAndroid){let e=null;for(const t of Array.from(i.childNodes)){if(e&&(0,n.isText)(e)&&(0,n.isText)(t)){i.normalize();break}e=t}}const o=t.inlineFillerPosition,s=i.childNodes,r=Array.from(this.domConverter.viewChildrenToDom(e,{bind:!0}));o&&o.parent===e&&ft(i.ownerDocument,r,o.offset);const a=this._diffNodeLists(s,r),l=this._findUpdateActions(a,s,r,bt);let c=0;const d=new Set;for(const e of l)"delete"===e?(d.add(s[c]),(0,n.remove)(s[c])):"equal"!==e&&"update"!==e||c++;c=0;for(const e of l)"insert"===e?((0,n.insertAt)(i,c,r[c]),c++):"update"===e?(vt(s[c],r[c].data),c++):"equal"===e&&(this._markDescendantTextToSync(this.domConverter.domToView(r[c])),c++);for(const e of d)e.parentNode||this.domConverter.unbindDomElement(e)}_diffNodeLists(e,t){return e=function(e,t){const i=Array.from(e);if(0==i.length||!t)return i;return i[i.length-1]==t&&i.pop(),i}(e,this._fakeSelectionContainer),(0,n.diff)(e,t,wt.bind(null,this.domConverter))}_findUpdateActions(e,t,i,o){if(-1===e.indexOf("insert")||-1===e.indexOf("delete"))return e;let s=[],r=[],a=[];const l={equal:0,insert:0,delete:0};for(const c of e)"insert"===c?a.push(i[l.equal+l.insert]):"delete"===c?r.push(t[l.equal+l.delete]):(s=s.concat((0,n.diff)(r,a,o).map((e=>"equal"===e?"update":e))),s.push("equal"),r=[],a=[]),l[c]++;return s.concat((0,n.diff)(r,a,o).map((e=>"equal"===e?"update":e)))}_markDescendantTextToSync(e){if(e)if(e.is("$text"))this.markedTexts.add(e);else if(e.is("element"))for(const t of e.getChildren())this._markDescendantTextToSync(t)}_updateSelection(){if(n.env.isBlink&&!n.env.isAndroid&&this.isSelecting&&!this.markedChildren.size)return;if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const e=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&e&&(this.selection.isFake?this._updateFakeSelection(e):this._fakeSelectionContainer&&this._fakeSelectionContainer.isConnected?(this._removeFakeSelection(),this._updateDomSelection(e)):this.isComposing&&n.env.isAndroid||this._updateDomSelection(e))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(e){const t=e.createElement("div");return t.className="ck-fake-selection-container",Object.assign(t.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),t.textContent=" ",t}(t));const i=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(i,this.selection),!this._fakeSelectionNeedsUpdate(e))return;i.parentElement&&i.parentElement==e||e.appendChild(i),i.textContent=this.selection.fakeSelectionLabel||" ";const n=t.getSelection(),o=t.createRange();n.removeAllRanges(),o.selectNodeContents(i),n.addRange(o)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const i=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.setBaseAndExtent(i.parent,i.offset,o.parent,o.offset),n.env.isGecko&&function(e,t){const i=e.parent;if(i.nodeType!=Node.ELEMENT_NODE||e.offset!=i.childNodes.length-1)return;const n=i.childNodes[e.offset];n&&"BR"==n.tagName&&t.addRange(t.getRangeAt(0))}(o,t)}_domSelectionNeedsUpdate(e){if(!this.domConverter.isDomSelectionCorrect(e))return!0;const t=e&&this.domConverter.domSelectionToView(e);return!(t&&this.selection.isEqual(t)||!this.selection.isCollapsed&&this.selection.isSimilar(t))}_fakeSelectionNeedsUpdate(e){const t=this._fakeSelectionContainer,i=e.ownerDocument.getSelection();return!t||t.parentElement!==e||i.anchorNode!==t&&!t.contains(i.anchorNode)||t.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const e of this.domDocuments){const t=e.getSelection();if(t.rangeCount){const i=e.activeElement,n=this.domConverter.mapDomToView(i);i&&n&&t.removeAllRanges()}}}_removeFakeSelection(){const e=this._fakeSelectionContainer;e&&e.remove()}_updateFocus(){if(this.isFocused){const e=this.selection.editableElement;e&&this.domConverter.focus(e)}}}function ft(e,t,i){const o=t instanceof Array?t:t.childNodes,s=o[i];if((0,n.isText)(s))return s.data=ct+s.data,s;{const s=e.createTextNode(ct);return Array.isArray(t)?o.splice(i,0,s):(0,n.insertAt)(t,i,s),s}}function pt(e,t){return(0,n.isNode)(e)&&(0,n.isNode)(t)&&!(0,n.isText)(e)&&!(0,n.isText)(t)&&!(0,n.isComment)(e)&&!(0,n.isComment)(t)&&e.tagName.toLowerCase()===t.tagName.toLowerCase()}function bt(e,t){return(0,n.isNode)(e)&&(0,n.isNode)(t)&&(0,n.isText)(e)&&(0,n.isText)(t)}function wt(e,t,i){return t===i||((0,n.isText)(t)&&(0,n.isText)(i)?t.data===i.data:!(!e.isBlockFiller(t)||!e.isBlockFiller(i)))}function vt(e,t){const i=e.data;if(i==t)return;let o=(e,t)=>e===t;n.env.isAndroid&&(i.length>1&&i.length-1===t.length&&t.endsWith(" ")&&/ .$/.test(i)||(o=(e,t)=>e.replace(/\u00a0/g," ")===t.replace(/\u00a0/g," ")));const s=(0,n.fastDiff)(i,t,o);for(const t of s)"insert"===t.type?e.insertData(t.index,t.values.join("")):e.deleteData(t.index,t.howMany)}const _t=at(n.global.document),yt=st(n.global.document),kt=rt(n.global.document),Ct="data-ck-unsafe-attribute-",At="data-ck-unsafe-element";class Et{constructor(e,{blockFillerMode:t,renderingMode:i="editing"}={}){this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap,this._rawContentElementMatcher=new y,this._inlineObjectElementMatcher=new y,this._elementsWithTemporaryCustomProperties=new Set,this.document=e,this.renderingMode=i,this.blockFillerMode=t||("editing"===i?"br":"nbsp"),this.preElements=["pre"],this.blockElements=["address","article","aside","blockquote","caption","center","dd","details","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","legend","li","main","menu","nav","ol","p","pre","section","summary","table","tbody","td","tfoot","th","thead","tr","ul"],this.inlineObjectElements=["object","iframe","input","button","textarea","select","option","video","embed","audio","img","canvas"],this.unsafeElements=["script","style"],this._domDocument="editing"===this.renderingMode?n.global.document:n.global.document.implementation.createHTMLDocument("")}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new Se(t))}fakeSelectionToView(e){return this._fakeSelectionMapping.get(e)}bindElements(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}unbindDomElement(e){const t=this._domToViewMapping.get(e);if(t){this._domToViewMapping.delete(e),this._viewToDomMapping.delete(t);for(const t of Array.from(e.children))this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}shouldRenderAttribute(e,t,i){return"data"===this.renderingMode||!(e=e.toLowerCase()).startsWith("on")&&("srcdoc"!==e||!t.match(/\bon\S+\s*=|javascript:|<\s*\/*script/i))&&("img"===i&&("src"===e||"srcset"===e)||"source"===i&&"srcset"===e||!t.match(/^\s*(javascript:|data:(image\/svg|text\/x?html))/i))}setContentOf(e,t){if("data"===this.renderingMode)return void(e.innerHTML=t);const i=(new DOMParser).parseFromString(t,"text/html"),n=i.createDocumentFragment(),o=i.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);const s=i.createTreeWalker(n,NodeFilter.SHOW_ELEMENT),r=[];let a;for(;a=s.nextNode();)r.push(a);for(const e of r){for(const t of e.getAttributeNames())this.setDomElementAttribute(e,t,e.getAttribute(t));const t=e.tagName.toLowerCase();this._shouldRenameElement(t)&&(Pt(t),e.replaceWith(this._createReplacementDomElement(t,e)))}for(;e.firstChild;)e.firstChild.remove();e.append(n)}viewToDom(e,t={}){if(e.is("$text")){const t=this._processDataFromViewText(e);return this._domDocument.createTextNode(t)}{const i=e;if(this.mapViewToDom(i)){if(!i.getCustomProperty("editingPipeline:doNotReuseOnce"))return this.mapViewToDom(i);this._elementsWithTemporaryCustomProperties.add(i)}let n;if(i.is("documentFragment"))n=this._domDocument.createDocumentFragment(),t.bind&&this.bindDocumentFragments(n,i);else{if(i.is("uiElement"))return n="$comment"===i.name?this._domDocument.createComment(i.getCustomProperty("$rawContent")):i.render(this._domDocument,this),t.bind&&this.bindElements(n,i),n;this._shouldRenameElement(i.name)?(Pt(i.name),n=this._createReplacementDomElement(i.name)):n=i.hasAttribute("xmlns")?this._domDocument.createElementNS(i.getAttribute("xmlns"),i.name):this._domDocument.createElement(i.name),i.is("rawElement")&&i.render(n,this),t.bind&&this.bindElements(n,i);for(const e of i.getAttributeKeys())this.setDomElementAttribute(n,e,i.getAttribute(e),i)}if(!1!==t.withChildren)for(const e of this.viewChildrenToDom(i,t))n.appendChild(e);return n}}setDomElementAttribute(e,t,i,o){const s=this.shouldRenderAttribute(t,i,e.tagName.toLowerCase())||o&&o.shouldRenderUnsafeAttribute(t);s||(0,n.logWarning)("domconverter-unsafe-attribute-detected",{domElement:e,key:t,value:i}),(0,n.isValidAttributeName)(t)?(e.hasAttribute(t)&&!s?e.removeAttribute(t):e.hasAttribute(Ct+t)&&s&&e.removeAttribute(Ct+t),e.setAttribute(s?t:Ct+t,i)):(0,n.logWarning)("domconverter-invalid-attribute-detected",{domElement:e,key:t,value:i})}removeDomElementAttribute(e,t){t!=At&&(e.removeAttribute(t),e.removeAttribute(Ct+t))}*viewChildrenToDom(e,t={}){const i=e.getFillerOffset&&e.getFillerOffset();let o=0;for(const s of e.getChildren()){i===o&&(yield this._getBlockFiller());const e=s.is("element")&&!!s.getCustomProperty("dataPipeline:transparentRendering")&&!(0,n.first)(s.getAttributes());e&&"data"==this.renderingMode?yield*this.viewChildrenToDom(s,t):(e&&(0,n.logWarning)("domconverter-transparent-rendering-unsupported-in-editing-pipeline",{viewElement:s}),yield this.viewToDom(s,t)),o++}i===o&&(yield this._getBlockFiller())}viewRangeToDom(e){const t=this.viewPositionToDom(e.start),i=this.viewPositionToDom(e.end),n=this._domDocument.createRange();return n.setStart(t.parent,t.offset),n.setEnd(i.parent,i.offset),n}viewPositionToDom(e){const t=e.parent;if(t.is("$text")){const i=this.findCorrespondingDomText(t);if(!i)return null;let n=e.offset;return dt(i)&&(n+=lt),{parent:i,offset:n}}{let i,o,s;if(0===e.offset){if(i=this.mapViewToDom(t),!i)return null;s=i.childNodes[0]}else{const t=e.nodeBefore;if(o=t.is("$text")?this.findCorrespondingDomText(t):this.mapViewToDom(t),!o)return null;i=o.parentNode,s=o.nextSibling}return(0,n.isText)(s)&&dt(s)?{parent:s,offset:lt}:{parent:i,offset:o?(0,n.indexOf)(o)+1:0}}}domToView(e,t={}){const i=[],n=this._domToView(e,t,i),o=n.next().value;return o?(n.next(),this._processDomInlineNodes(null,i,t),o.is("$text")&&0==o.data.length?null:o):null}*domChildrenToView(e,t={},i=[]){for(let n=0;n{const{scrollLeft:t,scrollTop:i}=e;o.push([t,i])})),t.focus(),Tt(t,(e=>{const[t,i]=o.shift();e.scrollLeft=t,e.scrollTop=i})),n.global.window.scrollTo(e,i)}}_clearDomSelection(){const e=this.mapViewToDom(this.document.selection.editableElement);if(!e)return;const t=e.ownerDocument.defaultView.getSelection(),i=this.domSelectionToView(t);i&&i.rangeCount>0&&t.removeAllRanges()}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(_t):!("BR"!==e.tagName||!St(e,this.blockElements)||1!==e.parentNode.childNodes.length)||e.isEqualNode(kt)||function(e,t){return e.isEqualNode(yt)&&St(e,t)&&1===e.parentNode.childNodes.length}(e,this.blockElements)}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=this._domDocument.createRange();try{t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset)}catch(e){return!1}const i=t.collapsed;return t.detach(),i}getHostViewElement(e){const t=(0,n.getAncestors)(e);for(t.pop();t.length;){const e=t.pop(),i=this._domToViewMapping.get(e);if(i&&(i.is("uiElement")||i.is("rawElement")))return i}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}registerRawContentMatcher(e){this._rawContentElementMatcher.add(e)}registerInlineObjectMatcher(e){this._inlineObjectElementMatcher.add(e)}_clearTemporaryCustomProperties(){for(const e of this._elementsWithTemporaryCustomProperties)e._removeCustomProperty("editingPipeline:doNotReuseOnce");this._elementsWithTemporaryCustomProperties.clear()}_getBlockFiller(){switch(this.blockFillerMode){case"nbsp":return st(this._domDocument);case"markedNbsp":return rt(this._domDocument);case"br":return at(this._domDocument)}}_isDomSelectionPositionCorrect(e,t){if((0,n.isText)(e)&&dt(e)&&t0?t[e-1]:null,l=e+1this.preElements.includes(e.name))))return t;if(" "==t.charAt(0)){const i=this._getTouchingInlineViewNode(e,!1);!(i&&i.is("$textProxy")&&this._nodeEndsWithSpace(i))&&i||(t=" "+t.substr(1))}if(" "==t.charAt(t.length-1)){const i=this._getTouchingInlineViewNode(e,!0),n=i&&i.is("$textProxy")&&" "==i.data.charAt(0);" "!=t.charAt(t.length-2)&&i&&!n||(t=t.substr(0,t.length-1)+" ")}return t.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(e){if(e.getAncestors().some((e=>this.preElements.includes(e.name))))return!1;const t=this._processDataFromViewText(e);return" "==t.charAt(t.length-1)}_getTouchingInlineViewNode(e,t){const i=new Ae({startPosition:t?Ee._createAfter(e):Ee._createBefore(e),direction:t?"forward":"backward"});for(const e of i){if(e.item.is("element","br"))return null;if(this._isInlineObjectElement(e.item))return e.item;if(e.item.is("containerElement"))return null;if(e.item.is("$textProxy"))return e.item}return null}_isBlockDomElement(e){return this.isElement(e)&&this.blockElements.includes(e.tagName.toLowerCase())}_isBlockViewElement(e){return e.is("element")&&this.blockElements.includes(e.name)}_isInlineObjectElement(e){return!!e.is("element")&&("br"==e.name||this.inlineObjectElements.includes(e.name)||!!this._inlineObjectElementMatcher.match(e))}_createViewElement(e,t){if((0,n.isComment)(e))return new je(this.document,"$comment");const i=t.keepOriginalCase?e.tagName:e.tagName.toLowerCase();return new be(this.document,i)}_isViewElementWithRawContent(e,t){return!1!==t.withChildren&&e.is("element")&&!!this._rawContentElementMatcher.match(e)}_shouldRenameElement(e){const t=e.toLowerCase();return"editing"===this.renderingMode&&this.unsafeElements.includes(t)}_createReplacementDomElement(e,t){const i=this._domDocument.createElement("span");if(i.setAttribute(At,e),t){for(;t.firstChild;)i.appendChild(t.firstChild);for(const e of t.getAttributeNames())i.setAttribute(e,t.getAttribute(e))}return i}}function xt(e,t){return e.getAncestors().some((e=>e.is("element")&&t.includes(e.name)))}function Tt(e,t){let i=e;for(;i;)t(i),i=i.parentElement}function St(e,t){const i=e.parentNode;return!!i&&!!i.tagName&&t.includes(i.tagName.toLowerCase())}function Pt(e){"script"===e&&(0,n.logWarning)("domconverter-unsafe-script-element-detected"),"style"===e&&(0,n.logWarning)("domconverter-unsafe-style-element-detected")}class It extends((0,n.DomEmitterMixin)()){constructor(e){super(),this._isEnabled=!1,this.view=e,this.document=e.document}get isEnabled(){return this._isEnabled}enable(){this._isEnabled=!0}disable(){this._isEnabled=!1}destroy(){this.disable(),this.stopListening()}checkShouldIgnoreEventFromTarget(e){return e&&3===e.nodeType&&(e=e.parentNode),!(!e||1!==e.nodeType)&&e.matches("[data-cke-ignore-events], [data-cke-ignore-events] *")}}var Vt=i(207);class Rt{constructor(e,t,i){this.view=e,this.document=e.document,this.domEvent=t,this.domTarget=t.target,(0,Vt.Z)(this,i)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Ot extends It{constructor(){super(...arguments),this.useCapture=!1}observe(e){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach((t=>{this.listenTo(e,t,((e,t)=>{this.isEnabled&&!this.checkShouldIgnoreEventFromTarget(t.target)&&this.onDomEvent(t)}),{useCapture:this.useCapture})}))}stopObserving(e){this.stopListening(e)}fire(e,t,i){this.isEnabled&&this.document.fire(e,new Rt(this.view,t,i))}}class Bt extends Ot{constructor(){super(...arguments),this.domEventType=["keydown","keyup"]}onDomEvent(e){const t={keyCode:e.keyCode,altKey:e.altKey,ctrlKey:e.ctrlKey,shiftKey:e.shiftKey,metaKey:e.metaKey,get keystroke(){return(0,n.getCode)(this)}};this.fire(e.type,e,t)}}var Mt=i(6682);class Lt extends It{constructor(e){super(e),this._fireSelectionChangeDoneDebounced=(0,Mt.Z)((e=>{this.document.fire("selectionChangeDone",e)}),200)}observe(){const e=this.document;e.on("arrowKey",((t,i)=>{e.selection.isFake&&this.isEnabled&&i.preventDefault()}),{context:"$capture"}),e.on("arrowKey",((t,i)=>{e.selection.isFake&&this.isEnabled&&this._handleSelectionMove(i.keyCode)}),{priority:"lowest"})}stopObserving(){}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(e){const t=this.document.selection,i=new Se(t.getRanges(),{backward:t.isBackward,fake:!1});e!=n.keyCodes.arrowleft&&e!=n.keyCodes.arrowup||i.setTo(i.getFirstPosition()),e!=n.keyCodes.arrowright&&e!=n.keyCodes.arrowdown||i.setTo(i.getLastPosition());const o={oldSelection:t,newSelection:i,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}var Dt=i(1152);const Nt=function(e,t,i){var n=(i="function"==typeof i?i:void 0)?i(e,t):void 0;return void 0===n?(0,Dt.Z)(e,t,void 0,i):!!n};class Ft extends It{constructor(e){super(e),this._config={childList:!0,characterData:!0,subtree:!0},this.domConverter=e.domConverter,this.renderer=e._renderer,this._domElements=new Set,this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(e){this._domElements.add(e),this.isEnabled&&this._mutationObserver.observe(e,this._config)}stopObserving(e){if(this._domElements.delete(e),this.isEnabled){this._mutationObserver.disconnect();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}}enable(){super.enable();for(const e of this._domElements)this._mutationObserver.observe(e,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(e){if(0===e.length)return;const t=this.domConverter,i=new Set,n=new Set;for(const i of e){const e=t.mapDomToView(i.target);e&&(e.is("uiElement")||e.is("rawElement")||"childList"!==i.type||this._isBogusBrMutation(i)||n.add(e))}for(const o of e){const e=t.mapDomToView(o.target);if((!e||!e.is("uiElement")&&!e.is("rawElement"))&&"characterData"===o.type){const e=t.findCorrespondingViewText(o.target);e&&!n.has(e.parent)?i.add(e):!e&&dt(o.target)&&n.add(t.mapDomToView(o.target.parentNode))}}let o=!1;for(const e of i)o=!0,this.renderer.markToSync("text",e);for(const e of n){const i=t.mapViewToDom(e),n=Array.from(e.getChildren()),s=Array.from(t.domChildrenToView(i,{withChildren:!1}));Nt(n,s,zt)||(o=!0,this.renderer.markToSync("children",e))}o&&this.view.forceRender()}_isBogusBrMutation(e){let t=null;return null===e.nextSibling&&0===e.removedNodes.length&&1==e.addedNodes.length&&(t=this.domConverter.domToView(e.addedNodes[0],{withChildren:!1})),t&&t.is("element","br")}}function zt(e,t){if(!Array.isArray(e))return e===t||!(!e.is("$text")||!t.is("$text"))&&e.data===t.data}class Wt extends Ot{constructor(e){super(e),this._isFocusChanging=!1,this.domEventType=["focus","blur"],this.useCapture=!0;const t=this.document;t.on("focus",(()=>{this._isFocusChanging=!0,this._renderTimeoutId=setTimeout((()=>{this.flush(),e.change((()=>{}))}),50)})),t.on("blur",((i,n)=>{const o=t.selection.editableElement;null!==o&&o!==n.target||(t.isFocused=!1,this._isFocusChanging=!1,e.change((()=>{})))}))}flush(){this._isFocusChanging&&(this._isFocusChanging=!1,this.document.isFocused=!0)}onDomEvent(e){this.fire(e.type,e)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Ht extends It{constructor(e){super(e),this.mutationObserver=e.getObserver(Ft),this.focusObserver=e.getObserver(Wt),this.selection=this.document.selection,this.domConverter=e.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=(0,Mt.Z)((e=>{this.document.fire("selectionChangeDone",e)}),200),this._clearInfiniteLoopInterval=setInterval((()=>this._clearInfiniteLoop()),1e3),this._documentIsSelectingInactivityTimeoutDebounced=(0,Mt.Z)((()=>this.document.isSelecting=!1),5e3),this._loopbackCounter=0}observe(e){const t=e.ownerDocument,i=()=>{this.document.isSelecting&&(this._handleSelectionChange(null,t),this.document.isSelecting=!1,this._documentIsSelectingInactivityTimeoutDebounced.cancel())};this.listenTo(e,"selectstart",(()=>{this.document.isSelecting=!0,this._documentIsSelectingInactivityTimeoutDebounced()}),{priority:"highest"}),this.listenTo(e,"keydown",i,{priority:"highest",useCapture:!0}),this.listenTo(e,"keyup",i,{priority:"highest",useCapture:!0}),this._documents.has(t)||(this.listenTo(t,"mouseup",i,{priority:"highest",useCapture:!0}),this.listenTo(t,"selectionchange",((e,i)=>{this.document.isComposing&&!n.env.isAndroid||(this._handleSelectionChange(i,t),this._documentIsSelectingInactivityTimeoutDebounced())})),this._documents.add(t))}stopObserving(e){this.stopListening(e)}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel(),this._documentIsSelectingInactivityTimeoutDebounced.cancel()}_reportInfiniteLoop(){}_handleSelectionChange(e,t){if(!this.isEnabled)return;const i=t.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(i.anchorNode))return;this.mutationObserver.flush();const n=this.domConverter.domSelectionToView(i);if(0!=n.rangeCount){if(this.view.hasDomSelection=!0,this.focusObserver.flush(),!this.selection.isEqual(n)||!this.domConverter.isDomSelectionCorrect(i))if(++this._loopbackCounter>60)this._reportInfiniteLoop();else if(this.selection.isSimilar(n))this.view.forceRender();else{const e={oldSelection:this.selection,newSelection:n,domSelection:i};this.document.fire("selectionChange",e),this._fireSelectionChangeDoneDebounced(e)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Ut extends Ot{constructor(e){super(e),this.domEventType=["compositionstart","compositionupdate","compositionend"];const t=this.document;t.on("compositionstart",(()=>{t.isComposing=!0}),{priority:"low"}),t.on("compositionend",(()=>{t.isComposing=!1}),{priority:"low"})}onDomEvent(e){this.fire(e.type,e,{data:e.data})}}class jt{constructor(e,t={}){this._files=t.cacheFiles?$t(e):null,this._native=e}get files(){return this._files||(this._files=$t(this._native)),this._files}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}set effectAllowed(e){this._native.effectAllowed=e}get effectAllowed(){return this._native.effectAllowed}set dropEffect(e){this._native.dropEffect=e}get dropEffect(){return this._native.dropEffect}setDragImage(e,t,i){this._native.setDragImage(e,t,i)}get isCanceled(){return"none"==this._native.dropEffect||!!this._native.mozUserCancelled}}function $t(e){const t=Array.from(e.files||[]),i=Array.from(e.items||[]);return t.length?t:i.filter((e=>"file"===e.kind)).map((e=>e.getAsFile()))}class Zt extends Ot{constructor(){super(...arguments),this.domEventType="beforeinput"}onDomEvent(e){const t=e.getTargetRanges(),i=this.view,o=i.document;let s=null,r=null,a=[];if(e.dataTransfer&&(s=new jt(e.dataTransfer)),null!==e.data?r=e.data:s&&(r=s.getData("text/plain")),o.selection.isFake)a=Array.from(o.selection.getRanges());else if(t.length)a=t.map((e=>{const t=i.domConverter.domPositionToView(e.startContainer,e.startOffset),n=i.domConverter.domPositionToView(e.endContainer,e.endOffset);return t?i.createRange(t,n):n?i.createRange(n):void 0})).filter((e=>!!e));else if(n.env.isAndroid){const t=e.target.ownerDocument.defaultView.getSelection();a=Array.from(i.domConverter.domSelectionToView(t).getRanges())}if(n.env.isAndroid&&"insertCompositionText"==e.inputType&&r&&r.endsWith("\n"))this.fire(e.type,e,{inputType:"insertParagraph",targetRanges:[i.createRange(a[0].end)]});else if("insertText"==e.inputType&&r&&r.includes("\n")){const t=r.split(/\n{1,2}/g);let i=a;for(let n=0;n{if(this.isEnabled&&(0,n.isArrowKeyCode)(t.keyCode)){const i=new Ie(this.document,"arrowKey",this.document.selection.getFirstRange());this.document.fire(i,t),i.stop.called&&e.stop()}}))}observe(){}stopObserving(){}}class Kt extends It{constructor(e){super(e);const t=this.document;t.on("keydown",((e,i)=>{if(!this.isEnabled||i.keyCode!=n.keyCodes.tab||i.ctrlKey)return;const o=new Ie(t,"tab",t.selection.getFirstRange());t.fire(o,i),o.stop.called&&e.stop()}))}observe(){}stopObserving(){}}const Gt=function(e){return(0,f.Z)(e,5)};class Jt extends((0,n.ObservableMixin)()){constructor(e){var t;super(),this.domRoots=new Map,this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this.document=new De(e),this.domConverter=new Et(this.document),this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new gt(this.domConverter,this.document.selection),this._renderer.bind("isFocused","isSelecting","isComposing").to(this.document,"isFocused","isSelecting","isComposing"),this._writer=new Ge(this.document),this.addObserver(Ft),this.addObserver(Wt),this.addObserver(Ht),this.addObserver(Bt),this.addObserver(Lt),this.addObserver(Ut),this.addObserver(qt),this.addObserver(Zt),this.addObserver(Kt),this.document.on("arrowKey",mt,{priority:"low"}),(t=this).document.on("arrowKey",((e,i)=>function(e,t,i){if(t.keyCode==n.keyCodes.arrowright){const e=t.domTarget.ownerDocument.defaultView.getSelection(),n=1==e.rangeCount&&e.getRangeAt(0).collapsed;if(n||t.shiftKey){const t=e.focusNode,o=e.focusOffset,s=i.domPositionToView(t,o);if(null===s)return;let r=!1;const a=s.getLastMatchingPosition((e=>(e.item.is("uiElement")&&(r=!0),!(!e.item.is("uiElement")&&!e.item.is("attributeElement")))));if(r){const t=i.viewPositionToDom(a);n?e.collapse(t.parent,t.offset):e.extend(t.parent,t.offset)}}}}(0,i,t.domConverter)),{priority:"low"}),this.on("render",(()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1})),this.listenTo(this.document.selection,"change",(()=>{this._hasChangedSinceTheLastRendering=!0})),this.listenTo(this.document,"change:isFocused",(()=>{this._hasChangedSinceTheLastRendering=!0})),n.env.isiOS&&this.listenTo(this.document,"blur",((e,t)=>{this.domConverter.mapDomToView(t.domEvent.relatedTarget)||this.domConverter._clearDomSelection()}))}attachDomRoot(e,t="main"){const i=this.document.getRoot(t);i._name=e.tagName.toLowerCase();const n={};for(const{name:t,value:o}of Array.from(e.attributes))n[t]=o,"class"===t?this._writer.addClass(o.split(" "),i):this._writer.setAttribute(t,o,i);this._initialDomRootAttributes.set(e,n);const o=()=>{this._writer.setAttribute("contenteditable",(!i.isReadOnly).toString(),i),i.isReadOnly?this._writer.addClass("ck-read-only",i):this._writer.removeClass("ck-read-only",i)};o(),this.domRoots.set(t,e),this.domConverter.bindElements(e,i),this._renderer.markToSync("children",i),this._renderer.markToSync("attributes",i),this._renderer.domDocuments.add(e.ownerDocument),i.on("change:children",((e,t)=>this._renderer.markToSync("children",t))),i.on("change:attributes",((e,t)=>this._renderer.markToSync("attributes",t))),i.on("change:text",((e,t)=>this._renderer.markToSync("text",t))),i.on("change:isReadOnly",(()=>this.change(o))),i.on("change",(()=>{this._hasChangedSinceTheLastRendering=!0}));for(const i of this._observers.values())i.observe(e,t)}detachDomRoot(e){const t=this.domRoots.get(e);Array.from(t.attributes).forEach((({name:e})=>t.removeAttribute(e)));const i=this._initialDomRootAttributes.get(t);for(const e in i)t.setAttribute(e,i[e]);this.domRoots.delete(e),this.domConverter.unbindDomElement(t);for(const e of this._observers.values())e.stopObserving(t)}getDomRoot(e="main"){return this.domRoots.get(e)}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[e,i]of this.domRoots)t.observe(i,e);return t.enable(),t}getObserver(e){return this._observers.get(e)}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}scrollToTheSelection({alignToTop:e,forceScroll:t,viewportOffset:i=20,ancestorOffset:o=20}={}){const s=this.document.selection.getFirstRange();if(!s)return;const r=Gt({alignToTop:e,forceScroll:t,viewportOffset:i,ancestorOffset:o});"number"==typeof i&&(i={top:i,bottom:i,left:i,right:i});const a={target:this.domConverter.viewRangeToDom(s),viewportOffset:i,ancestorOffset:o,alignToTop:e,forceScroll:t};this.fire("scrollToTheSelection",a,r),(0,n.scrollViewportToShowTarget)(a)}focus(){if(!this.document.isFocused){const e=this.document.selection.editableElement;e&&(this.domConverter.focus(e),this.forceRender())}}change(e){if(this.isRenderingInProgress||this._postFixersInProgress)throw new n.CKEditorError("cannot-change-view-tree",this);try{if(this._ongoingChange)return e(this._writer);this._ongoingChange=!0;const t=e(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),t}catch(e){n.CKEditorError.rethrowUnexpectedError(e,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.getObserver(Wt).flush(),this.change((()=>{}))}destroy(){for(const e of this._observers.values())e.destroy();this.document.destroy(),this.stopListening()}createPositionAt(e,t){return Ee._createAt(e,t)}createPositionAfter(e){return Ee._createAfter(e)}createPositionBefore(e){return Ee._createBefore(e)}createRange(e,t){return new xe(e,t)}createRangeOn(e){return xe._createOn(e)}createRangeIn(e){return xe._createIn(e)}createSelection(...e){return new Se(...e)}_disableRendering(e){this._renderingDisabled=e,0==e&&this.change((()=>{}))}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}class Yt{is(){throw new Error("is() method is abstract")}}class Qt extends Yt{constructor(e){super(),this.parent=null,this._attrs=(0,n.toMap)(e)}get document(){return null}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new n.CKEditorError("model-node-not-found-in-parent",this);return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new n.CKEditorError("model-node-not-found-in-parent",this);return e}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}isAttached(){return null!==this.parent&&this.root.isAttached()}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={}){const t=[];let i=e.includeSelf?this:this.parent;for(;i;)t[e.parentFirst?"push":"unshift"](i),i=i.parent;return t}getCommonAncestor(e,t={}){const i=this.getAncestors(t),n=e.getAncestors(t);let o=0;for(;i[o]==n[o]&&i[o];)o++;return 0===o?null:i[o-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),i=e.getPath(),o=(0,n.compareArrays)(t,i);switch(o){case"prefix":return!0;case"extension":return!1;default:return t[o](e[t[0]]=t[1],e)),{})),e}_clone(e){return new this.constructor(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(e,t){this._attrs.set(e,t)}_setAttributesTo(e){this._attrs=(0,n.toMap)(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}Qt.prototype.is=function(e){return"node"===e||"model:node"===e};class Xt{constructor(e){this._nodes=[],e&&this._insertNodes(0,e)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce(((e,t)=>e+t.offsetSize),0)}getNode(e){return this._nodes[e]||null}getNodeIndex(e){const t=this._nodes.indexOf(e);return-1==t?null:t}getNodeStartOffset(e){const t=this.getNodeIndex(e);return null===t?null:this._nodes.slice(0,t).reduce(((e,t)=>e+t.offsetSize),0)}indexToOffset(e){if(e==this._nodes.length)return this.maxOffset;const t=this._nodes[e];if(!t)throw new n.CKEditorError("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const i of this._nodes){if(e>=t&&ee.toJSON()))}}class ei extends Qt{constructor(e,t){super(t),this._data=e||""}get offsetSize(){return this.data.length}get data(){return this._data}toJSON(){const e=super.toJSON();return e.data=this.data,e}_clone(){return new ei(this.data,this.getAttributes())}static fromJSON(e){return new ei(e.data,e.attributes)}}ei.prototype.is=function(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e};class ti extends Yt{constructor(e,t,i){if(super(),this.textNode=e,t<0||t>e.offsetSize)throw new n.CKEditorError("model-textproxy-wrong-offsetintext",this);if(i<0||t+i>e.offsetSize)throw new n.CKEditorError("model-textproxy-wrong-length",this);this.data=e.data.substring(t,t+i),this.offsetInText=t}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}getPath(){const e=this.textNode.getPath();return e.length>0&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={}){const t=[];let i=e.includeSelf?this:this.parent;for(;i;)t[e.parentFirst?"push":"unshift"](i),i=i.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}ti.prototype.is=function(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e};class ii extends Qt{constructor(e,t,i){super(t),this._children=new Xt,this.name=e,i&&this._insertChild(0,i)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}offsetToIndex(e){return this._children.offsetToIndex(e)}getNodeByPath(e){let t=this;for(const i of e)t=t.getChild(t.offsetToIndex(i));return t}findAncestor(e,t={}){let i=t.includeSelf?this:this.parent;for(;i;){if(i.name===e)return i;i=i.parent}return null}toJSON(){const e=super.toJSON();if(e.name=this.name,this._children.length>0){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}_clone(e=!1){const t=e?Array.from(this._children).map((e=>e._clone(!0))):void 0;return new ii(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const i=function(e){return"string"==typeof e?[new ei(e)]:((0,n.isIterable)(e)||(e=[e]),Array.from(e).map((e=>"string"==typeof e?new ei(e):e instanceof ti?new ei(e.data,e.getAttributes()):e)))}(t);for(const e of i)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,i)}_removeChildren(e,t=1){const i=this._children._removeNodes(e,t);for(const e of i)e.parent=null;return i}static fromJSON(e){let t;if(e.children){t=[];for(const i of e.children)i.name?t.push(ii.fromJSON(i)):t.push(ei.fromJSON(i))}return new ii(e.name,e.attributes,t)}}ii.prototype.is=function(e,t){return t?t===this.name&&("element"===e||"model:element"===e):"element"===e||"model:element"===e||"node"===e||"model:node"===e};class ni{constructor(e){if(!e||!e.boundaries&&!e.startPosition)throw new n.CKEditorError("model-tree-walker-no-start-position",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new n.CKEditorError("model-tree-walker-unknown-direction",e,{direction:t});this.direction=t,this.boundaries=e.boundaries||null,e.startPosition?this._position=e.startPosition.clone():this._position=si._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}get position(){return this._position}skip(e){let t,i,n,o;do{n=this.position,o=this._visitedParent,({done:t,value:i}=this.next())}while(!t&&e(i));t||(this._position=n,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),i=this._visitedParent;if(null===i.parent&&t.offset===i.maxOffset)return{done:!0,value:void 0};if(i===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0,value:void 0};const n=ri(t,i),o=n||ai(t,i,n);if(o instanceof ii){if(this.shallow){if(this.boundaries&&this.boundaries.end.isBefore(t))return{done:!0,value:void 0};t.offset++}else t.path.push(0),this._visitedParent=o;return this._position=t,oi("elementStart",o,e,t,1)}if(o instanceof ei){let n;if(this.singleCharacters)n=1;else{let e=o.endOffset;this._boundaryEndParent==i&&this.boundaries.end.offsete&&(e=this.boundaries.start.offset),n=t.offset-e}const o=t.offset-s.startOffset,r=new ti(s,o-n,n);return t.offset-=n,this._position=t,oi("text",r,e,t,n)}return t.path.pop(),this._position=t,this._visitedParent=i.parent,oi("elementStart",i,e,t,1)}}function oi(e,t,i,n,o){return{done:!1,value:{type:e,item:t,previousPosition:i,nextPosition:n,length:o}}}class si extends Yt{constructor(e,t,i="toNone"){if(super(),!e.is("element")&&!e.is("documentFragment"))throw new n.CKEditorError("model-position-root-invalid",e);if(!(t instanceof Array)||0===t.length)throw new n.CKEditorError("model-position-path-incorrect-format",e,{path:t});e.is("rootElement")?t=t.slice():(t=[...e.getPath(),...t],e=e.root),this.root=e,this.path=t,this.stickiness=i}get offset(){return this.path[this.path.length-1]}set offset(e){this.path[this.path.length-1]=e}get parent(){let e=this.root;for(let t=0;t1)return!1;if(1===t)return ci(e,this,i);if(-1===t)return ci(this,e,i)}return this.path.length===e.path.length||(this.path.length>e.path.length?di(this.path,t):di(e.path,t))}hasSameParentAs(e){if(this.root!==e.root)return!1;const t=this.getParentPath(),i=e.getParentPath();return"same"==(0,n.compareArrays)(t,i)}getTransformedByOperation(e){let t;switch(e.type){case"insert":t=this._getTransformedByInsertOperation(e);break;case"move":case"remove":case"reinsert":t=this._getTransformedByMoveOperation(e);break;case"split":t=this._getTransformedBySplitOperation(e);break;case"merge":t=this._getTransformedByMergeOperation(e);break;default:t=si._createAt(this)}return t}_getTransformedByInsertOperation(e){return this._getTransformedByInsertion(e.position,e.howMany)}_getTransformedByMoveOperation(e){return this._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}_getTransformedBySplitOperation(e){const t=e.movedRange;return t.containsPosition(this)||t.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(e.splitPosition,e.moveTargetPosition):e.graveyardPosition?this._getTransformedByMove(e.graveyardPosition,e.insertionPosition,1):this._getTransformedByInsertion(e.insertionPosition,1)}_getTransformedByMergeOperation(e){const t=e.movedRange;let i;return t.containsPosition(this)||t.start.isEqual(this)?(i=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(i=i._getTransformedByDeletion(e.deletionPosition,1))):i=this.isEqual(e.deletionPosition)?si._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),i}_getTransformedByDeletion(e,t){const i=si._createAt(this);if(this.root!=e.root)return i;if("same"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath())){if(e.offsetthis.offset)return null;i.offset-=t}}else if("prefix"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath())){const n=e.path.length-1;if(e.offset<=this.path[n]){if(e.offset+t>this.path[n])return null;i.path[n]-=t}}return i}_getTransformedByInsertion(e,t){const i=si._createAt(this);if(this.root!=e.root)return i;if("same"==(0,n.compareArrays)(e.getParentPath(),this.getParentPath()))(e.offset=t;){if(e.path[n]+o!==i.maxOffset)return!1;o=1,n--,i=i.parent}return!0}(e,i+1)}function di(e,t){for(;tt+1;){const t=n.maxOffset-i.offset;0!==t&&e.push(new hi(i,i.getShiftedBy(t))),i.path=i.path.slice(0,-1),i.offset++,n=n.parent}for(;i.path.length<=this.end.path.length;){const t=this.end.path[i.path.length-1],n=t-i.offset;0!==n&&e.push(new hi(i,i.getShiftedBy(n))),i.offset=t,i.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new ni(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new ni(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new ni(e);yield t.position;for(const e of t)yield e.nextPosition}getTransformedByOperation(e){switch(e.type){case"insert":return this._getTransformedByInsertOperation(e);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(e);case"split":return[this._getTransformedBySplitOperation(e)];case"merge":return[this._getTransformedByMergeOperation(e)]}return[new hi(this.start,this.end)]}getTransformedByOperations(e){const t=[new hi(this.start,this.end)];for(const i of e)for(let e=0;e0?new this(i,n):new this(n,i)}static _createIn(e){return new this(si._createAt(e,0),si._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(si._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new n.CKEditorError("range-create-from-ranges-empty-array",null);if(1==e.length)return e[0].clone();const t=e[0];e.sort(((e,t)=>e.start.isAfter(t.start)?1:-1));const i=e.indexOf(t),o=new this(t.start,t.end);if(i>0)for(let t=i-1;e[t].end.isEqual(o.start);t++)o.start=si._createAt(e[t].start);for(let t=i+1;t{if(t.viewPosition)return;const i=this._modelToViewMapping.get(t.modelPosition.parent);if(!i)throw new n.CKEditorError("mapping-model-position-view-parent-not-found",this,{modelPosition:t.modelPosition});t.viewPosition=this.findPositionIn(i,t.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((e,t)=>{if(t.modelPosition)return;const i=this.findMappedViewAncestor(t.viewPosition),n=this._viewToModelMapping.get(i),o=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,i);t.modelPosition=si._createAt(n,o)}),{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e,t={}){const i=this.toModelElement(e);if(this._elementToMarkerNames.has(e))for(const t of this._elementToMarkerNames.get(e))this._unboundMarkerNames.add(t);t.defer?this._deferredBindingRemovals.set(e,e.root):(this._viewToModelMapping.delete(e),this._modelToViewMapping.get(i)==e&&this._modelToViewMapping.delete(i))}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const i=this._markerNameToElements.get(t)||new Set;i.add(e);const n=this._elementToMarkerNames.get(e)||new Set;n.add(t),this._markerNameToElements.set(t,i),this._elementToMarkerNames.set(e,n)}unbindElementFromMarkerName(e,t){const i=this._markerNameToElements.get(t);i&&(i.delete(e),0==i.size&&this._markerNameToElements.delete(t));const n=this._elementToMarkerNames.get(e);n&&(n.delete(t),0==n.size&&this._elementToMarkerNames.delete(e))}flushUnboundMarkerNames(){const e=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),e}flushDeferredBindings(){for(const[e,t]of this._deferredBindingRemovals)e.root==t&&this.unbindViewElement(e);this._deferredBindingRemovals=new Map}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this._deferredBindingRemovals=new Map}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new hi(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new xe(this.toViewPosition(e.start),this.toViewPosition(e.end))}toModelPosition(e){const t={viewPosition:e,mapper:this};return this.fire("viewToModelPosition",t),t.modelPosition}toViewPosition(e,t={}){const i={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",i),i.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const i=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())i.add(t);else i.add(e);return i}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}findMappedViewAncestor(e){let t=e.parent;for(;!this._viewToModelMapping.has(t);)t=t.parent;return t}_toModelOffset(e,t,i){if(i!=e)return this._toModelOffset(e.parent,e.index,i)+this._toModelOffset(e,t,e);if(e.is("$text"))return t;let n=0;for(let i=0;i1?t[0]+":"+t[1]:t[0]}class fi extends((0,n.EmitterMixin)()){constructor(e){super(),this._conversionApi={dispatcher:this,...e},this._firedEventsMap=new WeakMap}convertChanges(e,t,i){const n=this._createConversionApi(i,e.getRefreshedItems());for(const t of e.getMarkersToRemove())this._convertMarkerRemove(t.name,t.range,n);const o=this._reduceChanges(e.getChanges());for(const e of o)"insert"===e.type?this._convertInsert(hi._createFromPositionAndShift(e.position,e.length),n):"reinsert"===e.type?this._convertReinsert(hi._createFromPositionAndShift(e.position,e.length),n):"remove"===e.type?this._convertRemove(e.position,e.length,e.name,n):this._convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);n.mapper.flushDeferredBindings();for(const e of n.mapper.flushUnboundMarkerNames()){const i=t.get(e).getRange();this._convertMarkerRemove(e,i,n),this._convertMarkerAdd(e,i,n)}for(const t of e.getMarkersToAdd())this._convertMarkerAdd(t.name,t.range,n);n.consumable.verifyAllConsumed("insert")}convert(e,t,i,n={}){const o=this._createConversionApi(i,void 0,n);this._convertInsert(e,o);for(const[e,i]of t)this._convertMarkerAdd(e,i,o);o.consumable.verifyAllConsumed("insert")}convertSelection(e,t,i){const n=this._createConversionApi(i);this.fire("cleanSelection",{selection:e},n);const o=e.getFirstPosition().root;if(!n.mapper.toViewElement(o))return;const s=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this._addConsumablesForSelection(n.consumable,e,s),this.fire("selection",{selection:e},n),e.isCollapsed){for(const t of s)if(n.consumable.test(e,"addMarker:"+t.name)){const i=t.getRange();if(!pi(e.getFirstPosition(),t,n.mapper))continue;const o={item:e,markerName:t.name,markerRange:i};this.fire(`addMarker:${t.name}`,o,n)}for(const t of e.getAttributeKeys())if(n.consumable.test(e,"attribute:"+t)){const i={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.fire(`attribute:${t}:$text`,i,n)}}}_convertInsert(e,t,i={}){i.doNotAddConsumables||this._addConsumablesForInsert(t.consumable,e);for(const i of Array.from(e.getWalker({shallow:!0})).map(bi))this._testAndFire("insert",i,t)}_convertRemove(e,t,i,n){this.fire(`remove:${i}`,{position:e,length:t},n)}_convertAttribute(e,t,i,n,o){this._addConsumablesForRange(o.consumable,e,`attribute:${t}`);for(const s of e){const e={item:s.item,range:hi._createFromPositionAndShift(s.previousPosition,s.length),attributeKey:t,attributeOldValue:i,attributeNewValue:n};this._testAndFire(`attribute:${t}`,e,o)}}_convertReinsert(e,t){const i=Array.from(e.getWalker({shallow:!0}));this._addConsumablesForInsert(t.consumable,i);for(const e of i.map(bi))this._testAndFire("insert",{...e,reconversion:!0},t)}_convertMarkerAdd(e,t,i){if("$graveyard"==t.root.rootName)return;const n=`addMarker:${e}`;if(i.consumable.add(t,n),this.fire(n,{markerName:e,markerRange:t},i),i.consumable.consume(t,n)){this._addConsumablesForRange(i.consumable,t,n);for(const o of t.getItems()){if(!i.consumable.test(o,n))continue;const s={item:o,range:hi._createOn(o),markerName:e,markerRange:t};this.fire(n,s,i)}}}_convertMarkerRemove(e,t,i){"$graveyard"!=t.root.rootName&&this.fire(`removeMarker:${e}`,{markerName:e,markerRange:t},i)}_reduceChanges(e){const t={changes:e};return this.fire("reduceChanges",t),t.changes}_addConsumablesForInsert(e,t){for(const i of t){const t=i.item;if(null===e.test(t,"insert")){e.add(t,"insert");for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i)}}return e}_addConsumablesForRange(e,t,i){for(const n of t.getItems())e.add(n,i);return e}_addConsumablesForSelection(e,t,i){e.add(t,"selection");for(const n of i)e.add(t,"addMarker:"+n.name);for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i);return e}_testAndFire(e,t,i){const n=function(e,t){return`${e}:${t.item.is("element")?t.item.name:"$text"}`}(e,t),o=t.item.is("$textProxy")?i.consumable._getSymbolForTextProxy(t.item):t.item,s=this._firedEventsMap.get(i),r=s.get(o);if(r){if(r.has(n))return;r.add(n)}else s.set(o,new Set([n]));this.fire(n,t,i)}_testAndFireAddAttributes(e,t){const i={item:e,range:hi._createOn(e)};for(const e of i.item.getAttributeKeys())i.attributeKey=e,i.attributeOldValue=null,i.attributeNewValue=i.item.getAttribute(e),this._testAndFire(`attribute:${e}`,i,t)}_createConversionApi(e,t=new Set,i={}){const n={...this._conversionApi,consumable:new mi,writer:e,options:i,convertItem:e=>this._convertInsert(hi._createOn(e),n),convertChildren:e=>this._convertInsert(hi._createIn(e),n,{doNotAddConsumables:!0}),convertAttributes:e=>this._testAndFireAddAttributes(e,n),canReuseView:e=>!t.has(n.mapper.toModelElement(e))};return this._firedEventsMap.set(n,new Map),n}}function pi(e,t,i){const n=t.getRange(),o=Array.from(e.getAncestors());return o.shift(),o.reverse(),!o.some((e=>{if(n.containsItem(e))return!!i.toViewElement(e).getCustomProperty("addHighlight")}))}function bi(e){return{item:e.item,range:hi._createFromPositionAndShift(e.previousPosition,e.length)}}class wi extends((0,n.EmitterMixin)(Yt)){constructor(...e){super(),this._lastRangeBackward=!1,this._attrs=new Map,this._ranges=[],e.length&&this.setTo(...e)}get anchor(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let i=!1;for(const n of e._ranges)if(t.isEqual(n)){i=!0;break}if(!i)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new hi(e.start,e.end)}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?new hi(e.start,e.end):null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?new hi(e.start,e.end):null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}setTo(...e){let[t,i,o]=e;if("object"==typeof i&&(o=i,i=void 0),null===t)this._setRanges([]);else if(t instanceof wi)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof hi)this._setRanges([t],!!o&&!!o.backward);else if(t instanceof si)this._setRanges([new hi(t)]);else if(t instanceof Qt){const e=!!o&&!!o.backward;let s;if("in"==i)s=hi._createIn(t);else if("on"==i)s=hi._createOn(t);else{if(void 0===i)throw new n.CKEditorError("model-selection-setto-required-second-parameter",[this,t]);s=new hi(si._createAt(t,i))}this._setRanges([s],e)}else{if(!(0,n.isIterable)(t))throw new n.CKEditorError("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,o&&!!o.backward)}}_setRanges(e,t=!1){const i=Array.from(e),o=i.some((t=>{if(!(t instanceof hi))throw new n.CKEditorError("model-selection-set-ranges-not-range",[this,e]);return this._ranges.every((e=>!e.isEqual(t)))}));(i.length!==this._ranges.length||o)&&(this._replaceAllRanges(i),this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0}))}setFocus(e,t){if(null===this.anchor)throw new n.CKEditorError("model-selection-setfocus-no-ranges",[this,e]);const i=si._createAt(e,t);if("same"==i.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==i.compareWith(o)?(this._pushRange(new hi(i,o)),this._lastRangeBackward=!0):(this._pushRange(new hi(o,i)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}removeAttribute(e){this.hasAttribute(e)&&(this._attrs.delete(e),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}setAttribute(e,t){this.getAttribute(e)!==t&&(this._attrs.set(e,t),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const i=yi(t.start,e);Ci(i,t)&&(yield i);for(const i of t.getWalker()){const n=i.item;"elementEnd"==i.type&&_i(n,e,t)&&(yield n)}const n=yi(t.end,e);Ai(n,t)&&(yield n)}}containsEntireContent(e=this.anchor.root){const t=si._createAt(e,0),i=si._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&i.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new hi(e.start,e.end))}_checkRange(e){for(let t=0;t0;)this._popRange()}_popRange(){this._ranges.pop()}}function vi(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&!!e.parent)}function _i(e,t,i){return vi(e,t)&&ki(e,i)}function yi(e,t){const i=e.parent.root.document.model.schema,n=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const s=n.find((e=>!o&&(o=i.isLimit(e),!o&&vi(e,t))));return n.forEach((e=>t.add(e))),s}function ki(e,t){const i=function(e){const t=e.root.document.model.schema;let i=e.parent;for(;i;){if(t.isBlock(i))return i;i=i.parent}}(e);return!i||!t.containsRange(hi._createOn(i),!0)}function Ci(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.start.isTouching(si._createAt(e,e.maxOffset))&&ki(e,t))}function Ai(e,t){return!!e&&(!(!t.isCollapsed&&!e.isEmpty)||!t.end.isTouching(si._createAt(e,0))&&ki(e,t))}wi.prototype.is=function(e){return"selection"===e||"model:selection"===e};class Ei extends((0,n.EmitterMixin)(hi)){constructor(e,t){super(e,t),xi.call(this)}detach(){this.stopListening()}toRange(){return new hi(this.start,this.end)}static fromRange(e){return new Ei(e.start,e.end)}}function xi(){this.listenTo(this.root.document.model,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&Ti.call(this,i)}),{priority:"low"})}function Ti(e){const t=this.getTransformedByOperation(e),i=hi._createFromRanges(t),n=!i.isEqual(this),o=function(e,t){switch(t.type){case"insert":return e.containsPosition(t.position);case"move":case"remove":case"reinsert":case"merge":return e.containsPosition(t.sourcePosition)||e.start.isEqual(t.sourcePosition)||e.containsPosition(t.targetPosition);case"split":return e.containsPosition(t.splitPosition)||e.containsPosition(t.insertionPosition)}return!1}(this,e);let s=null;if(n){"$graveyard"==i.root.rootName&&(s="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=i.start,this.end=i.end,this.fire("change:range",t,{deletionPosition:s})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:s})}Ei.prototype.is=function(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e};const Si="selection:";class Pi extends((0,n.EmitterMixin)(Yt)){constructor(e){super(),this._selection=new Ii(e),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(e){return this._selection.containsEntireContent(e)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(e){return this._selection.getAttribute(e)}hasAttribute(e){return this._selection.hasAttribute(e)}refresh(){this._selection.updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(e){this._selection.observeMarkers(e)}_setFocus(e,t){this._selection.setFocus(e,t)}_setTo(...e){this._selection.setTo(...e)}_setAttribute(e,t){this._selection.setAttribute(e,t)}_removeAttribute(e){this._selection.removeAttribute(e)}_getStoredAttributes(){return this._selection.getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(e){this._selection.restoreGravity(e)}static _getStoreAttributeKey(e){return Si+e}static _isStoreAttributeKey(e){return e.startsWith(Si)}}Pi.prototype.is=function(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e};class Ii extends wi{constructor(e){super(),this.markers=new n.Collection({idProperty:"name"}),this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this._model=e.model,this._document=e,this.listenTo(this._model,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&"marker"!=i.type&&"rename"!=i.type&&"noop"!=i.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))}),{priority:"lowest"}),this.on("change:range",(()=>{this._validateSelectionRanges(this.getRanges())})),this.listenTo(this._model.markers,"update",((e,t,i,n)=>{this._updateMarker(t,n)})),this.listenTo(this._document,"change",((e,t)=>{!function(e,t){const i=e.document.differ;for(const n of i.getChanges()){if("insert"!=n.type)continue;const i=n.position.parent;n.length===i.maxOffset&&e.enqueueChange(t,(e=>{const t=Array.from(i.getAttributeKeys()).filter((e=>e.startsWith(Si)));for(const n of t)e.removeAttribute(n,i)}))}}(this._model,t)}))}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let e=0;e{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=n.deletionPosition;const e=this._ranges.indexOf(t);this._ranges.splice(e,1),t.detach()}})),t}updateMarkers(){if(!this._observedMarkers.size)return;const e=[];let t=!1;for(const t of this._model.markers){const i=t.name.split(":",1)[0];if(!this._observedMarkers.has(i))continue;const n=t.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&e.push(t)}const i=Array.from(this.markers);for(const i of e)this.markers.has(i)||(this.markers.add(i),t=!0);for(const i of Array.from(this.markers))e.includes(i)||(this.markers.remove(i),t=!0);t&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateMarker(e,t){const i=e.name.split(":",1)[0];if(!this._observedMarkers.has(i))return;let n=!1;const o=Array.from(this.markers),s=this.markers.has(e);if(t){let i=!1;for(const e of this.getRanges())if(t.containsRange(e,!e.isCollapsed)){i=!0;break}i&&!s?(this.markers.add(e),n=!0):!i&&s&&(this.markers.remove(e),n=!0)}else s&&(this.markers.remove(e),n=!0);n&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(e){const t=(0,n.toMap)(this._getSurroundingAttributes()),i=(0,n.toMap)(this.getAttributes());if(e)this._attributePriority=new Map,this._attrs=new Map;else for(const[e,t]of this._attributePriority)"low"==t&&(this._attrs.delete(e),this._attributePriority.delete(e));this._setAttributesTo(t);const o=[];for(const[e,t]of this.getAttributes())i.has(e)&&i.get(e)===t||o.push(e);for(const[e]of i)this.hasAttribute(e)||o.push(e);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(e,t,i=!0){const n=i?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(e))&&(super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,n),!0))}_removeAttribute(e,t=!0){const i=t?"normal":"low";return!("low"==i&&"normal"==this._attributePriority.get(e)||(this._attributePriority.set(e,i),!super.hasAttribute(e)||(this._attrs.delete(e),0)))}_setAttributesTo(e){const t=new Set;for(const[t,i]of this.getAttributes())e.get(t)!==i&&this._removeAttribute(t,!1);for(const[i,n]of e)this._setAttribute(i,n,!1)&&t.add(i);return t}*getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith(Si)){const i=t.substr(10);yield[i,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;if("$graveyard"==e.root.rootName)return null;let i=null;if(this.isCollapsed){const n=e.textNode?e.textNode:e.nodeBefore,o=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(i=Vi(n,t)),i||(i=Vi(o,t)),!this.isGravityOverridden&&!i){let e=n;for(;e&&!i;)e=e.previousSibling,i=Vi(e,t)}if(!i){let e=o;for(;e&&!i;)e=e.nextSibling,i=Vi(e,t)}i||(i=this.getStoredAttributes())}else{const e=this.getFirstRange();for(const n of e){if(n.item.is("element")&&t.isObject(n.item)){i=Vi(n.item,t);break}if("text"==n.type){i=n.item.getAttributes();break}}}return i}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function Vi(e,t){if(!e)return null;if(e instanceof ti||e instanceof ei)return e.getAttributes();if(!t.isInline(e))return null;if(!t.isObject(e))return[];const i=[];for(const[n,o]of e.getAttributes())t.checkAttribute("$text",n)&&!1!==t.getAttributeProperties(n).copyFromObject&&i.push([n,o]);return i}class Ri{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}class Oi extends Ri{elementToElement(e){return this.add(function(e){const t=Li(e.model),i=Di(e.view,"container");return t.attributes.length&&(t.children=!0),n=>{n.on(`insert:${t.name}`,function(e,t=$i){return(i,n,o)=>{if(!t(n.item,o.consumable,{preflight:!0}))return;const s=e(n.item,o,n);if(!s)return;t(n.item,o.consumable);const r=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(n.item,s),o.writer.insert(r,s),o.convertAttributes(n.item),Ui(s,n.item.getChildren(),o,{reconversion:n.reconversion})}}(i,Hi(t)),{priority:e.converterPriority||"normal"}),(t.children||t.attributes.length)&&n.on("reduceChanges",Wi(t),{priority:"low"})}}(e))}elementToStructure(e){return this.add(function(e){const t=Li(e.model),i=Di(e.view,"container");return t.children=!0,o=>{if(o._conversionApi.schema.checkChild(t.name,"$text"))throw new n.CKEditorError("conversion-element-to-structure-disallowed-text",o,{elementName:t.name});var s,r;o.on(`insert:${t.name}`,(s=i,r=Hi(t),(e,t,i)=>{if(!r(t.item,i.consumable,{preflight:!0}))return;const o=new Map;i.writer._registerSlotFactory(function(e,t,i){return(o,s)=>{const r=o.createContainerElement("$slot");let a=null;if("children"===s)a=Array.from(e.getChildren());else{if("function"!=typeof s)throw new n.CKEditorError("conversion-slot-mode-unknown",i.dispatcher,{modeOrFilter:s});a=Array.from(e.getChildren()).filter((e=>s(e)))}return t.set(r,a),r}}(t.item,o,i));const a=s(t.item,i,t);if(i.writer._clearSlotFactory(),!a)return;!function(e,t,i){const o=Array.from(t.values()).flat(),s=new Set(o);if(s.size!=o.length)throw new n.CKEditorError("conversion-slot-filter-overlap",i.dispatcher,{element:e});if(s.size!=e.childCount)throw new n.CKEditorError("conversion-slot-filter-incomplete",i.dispatcher,{element:e})}(t.item,o,i),r(t.item,i.consumable);const l=i.mapper.toViewPosition(t.range.start);i.mapper.bindElements(t.item,a),i.writer.insert(l,a),i.convertAttributes(t.item),function(e,t,i,n){i.mapper.on("modelToViewPosition",r,{priority:"highest"});let o=null,s=null;for([o,s]of t)Ui(e,s,i,n),i.writer.move(i.writer.createRangeIn(o),i.writer.createPositionBefore(o)),i.writer.remove(o);function r(e,t){const i=t.modelPosition.nodeAfter,n=s.indexOf(i);n<0||(t.viewPosition=t.mapper.findPositionIn(o,n))}i.mapper.off("modelToViewPosition",r)}(a,o,i,{reconversion:t.reconversion})}),{priority:e.converterPriority||"normal"}),o.on("reduceChanges",Wi(t),{priority:"low"})}}(e))}attributeToElement(e){return this.add(function(e){let t=(e=Gt(e)).model;"string"==typeof t&&(t={key:t});let i=`attribute:${t.key}`;if(t.name&&(i+=":"+t.name),t.values)for(const i of t.values)e.view[i]=Di(e.view[i],"attribute");else e.view=Di(e.view,"attribute");const n=Ni(e);return t=>{t.on(i,function(e){return(t,i,n)=>{if(!n.consumable.test(i.item,t.name))return;const o=e(i.attributeOldValue,n,i),s=e(i.attributeNewValue,n,i);if(!o&&!s)return;n.consumable.consume(i.item,t.name);const r=n.writer,a=r.document.selection;if(i.item instanceof wi||i.item instanceof Pi)r.wrap(a.getFirstRange(),s);else{let e=n.mapper.toViewRange(i.range);null!==i.attributeOldValue&&o&&(e=r.unwrap(e,o)),null!==i.attributeNewValue&&s&&r.wrap(e,s)}}}(n),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=(e=Gt(e)).model;"string"==typeof t&&(t={key:t});let i=`attribute:${t.key}`;if(t.name&&(i+=":"+t.name),t.values)for(const i of t.values)e.view[i]=Fi(e.view[i]);else e.view=Fi(e.view);const o=Ni(e);return t=>{var s;t.on(i,(s=o,(e,t,i)=>{if(!i.consumable.test(t.item,e.name))return;const o=s(t.attributeOldValue,i,t),r=s(t.attributeNewValue,i,t);if(!o&&!r)return;i.consumable.consume(t.item,e.name);const a=i.mapper.toViewElement(t.item),l=i.writer;if(!a)throw new n.CKEditorError("conversion-attribute-to-attribute-on-text",i.dispatcher,t);if(null!==t.attributeOldValue&&o)if("class"==o.key){const e=(0,n.toArray)(o.value);for(const t of e)l.removeClass(t,a)}else if("style"==o.key){const e=Object.keys(o.value);for(const t of e)l.removeStyle(t,a)}else l.removeAttribute(o.key,a);if(null!==t.attributeNewValue&&r)if("class"==r.key){const e=(0,n.toArray)(r.value);for(const t of e)l.addClass(t,a)}else if("style"==r.key){const e=Object.keys(r.value);for(const t of e)l.setStyle(t,r.value[t],a)}else l.setAttribute(r.key,r.value,a)}),{priority:e.converterPriority||"normal"})}}(e))}markerToElement(e){return this.add(function(e){const t=Di(e.view,"ui");return i=>{var n;i.on(`addMarker:${e.model}`,(n=t,(e,t,i)=>{t.isOpening=!0;const o=n(t,i);t.isOpening=!1;const s=n(t,i);if(!o||!s)return;const r=t.markerRange;if(r.isCollapsed&&!i.consumable.consume(r,e.name))return;for(const t of r)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,l=i.writer;l.insert(a.toViewPosition(r.start),o),i.mapper.bindElementToMarker(o,t.markerName),r.isCollapsed||(l.insert(a.toViewPosition(r.end),s),i.mapper.bindElementToMarker(s,t.markerName)),e.stop()}),{priority:e.converterPriority||"normal"}),i.on(`removeMarker:${e.model}`,((e,t,i)=>{const n=i.mapper.markerNameToElements(t.markerName);if(n){for(const e of n)i.mapper.unbindElementFromMarkerName(e,t.markerName),i.writer.clear(i.writer.createRangeOn(e),e);i.writer.clearClonedElementsGroup(t.markerName),e.stop()}}),{priority:e.converterPriority||"normal"})}}(e))}markerToHighlight(e){return this.add(function(e){return t=>{var i;t.on(`addMarker:${e.model}`,(i=e.view,(e,t,n)=>{if(!t.item)return;if(!(t.item instanceof wi||t.item instanceof Pi||t.item.is("$textProxy")))return;const o=zi(i,t,n);if(!o)return;if(!n.consumable.consume(t.item,e.name))return;const s=n.writer,r=Bi(s,o),a=s.document.selection;if(t.item instanceof wi||t.item instanceof Pi)s.wrap(a.getFirstRange(),r);else{const e=n.mapper.toViewRange(t.range),i=s.wrap(e,r);for(const e of i.getItems())if(e.is("attributeElement")&&e.isSimilar(r)){n.mapper.bindElementToMarker(e,t.markerName);break}}}),{priority:e.converterPriority||"normal"}),t.on(`addMarker:${e.model}`,function(e){return(t,i,n)=>{if(!i.item)return;if(!(i.item instanceof ii))return;const o=zi(e,i,n);if(!o)return;if(!n.consumable.test(i.item,t.name))return;const s=n.mapper.toViewElement(i.item);if(s&&s.getCustomProperty("addHighlight")){n.consumable.consume(i.item,t.name);for(const e of hi._createIn(i.item))n.consumable.consume(e.item,t.name);s.getCustomProperty("addHighlight")(s,o,n.writer),n.mapper.bindElementToMarker(s,i.markerName)}}}(e.view),{priority:e.converterPriority||"normal"}),t.on(`removeMarker:${e.model}`,function(e){return(t,i,n)=>{if(i.markerRange.isCollapsed)return;const o=zi(e,i,n);if(!o)return;const s=Bi(n.writer,o),r=n.mapper.markerNameToElements(i.markerName);if(r){for(const e of r)n.mapper.unbindElementFromMarkerName(e,i.markerName),e.is("attributeElement")?n.writer.unwrap(n.writer.createRangeOn(e),s):e.getCustomProperty("removeHighlight")(e,o.id,n.writer);n.writer.clearClonedElementsGroup(i.markerName),t.stop()}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}markerToData(e){return this.add(function(e){const t=(e=Gt(e)).model;let i=e.view;return i||(i=i=>({group:t,name:i.substr(e.model.length+1)})),n=>{var o;n.on(`addMarker:${t}`,(o=i,(e,t,i)=>{const n=o(t.markerName,i);if(!n)return;const s=t.markerRange;i.consumable.consume(s,e.name)&&(Mi(s,!1,i,t,n),Mi(s,!0,i,t,n),e.stop())}),{priority:e.converterPriority||"normal"}),n.on(`removeMarker:${t}`,function(e){return(t,i,n)=>{const o=e(i.markerName,n);if(!o)return;const s=n.mapper.markerNameToElements(i.markerName);if(s){for(const e of s)n.mapper.unbindElementFromMarkerName(e,i.markerName),e.is("containerElement")?(r(`data-${o.group}-start-before`,e),r(`data-${o.group}-start-after`,e),r(`data-${o.group}-end-before`,e),r(`data-${o.group}-end-after`,e)):n.writer.clear(n.writer.createRangeOn(e),e);n.writer.clearClonedElementsGroup(i.markerName),t.stop()}function r(e,t){if(t.hasAttribute(e)){const i=new Set(t.getAttribute(e).split(","));i.delete(o.name),0==i.size?n.writer.removeAttribute(e,t):n.writer.setAttribute(e,Array.from(i).join(","),t)}}}}(i),{priority:e.converterPriority||"normal"})}}(e))}}function Bi(e,t){const i=e.createAttributeElement("span",t.attributes);return t.classes&&i._addClass(t.classes),"number"==typeof t.priority&&(i._priority=t.priority),i._id=t.id,i}function Mi(e,t,i,n,o){const s=t?e.start:e.end,r=s.nodeAfter&&s.nodeAfter.is("element")?s.nodeAfter:null,a=s.nodeBefore&&s.nodeBefore.is("element")?s.nodeBefore:null;if(r||a){let e,s;t&&r||!t&&!a?(e=r,s=!0):(e=a,s=!1);const l=i.mapper.toViewElement(e);if(l)return void function(e,t,i,n,o,s){const r=`data-${s.group}-${t?"start":"end"}-${i?"before":"after"}`,a=e.hasAttribute(r)?e.getAttribute(r).split(","):[];a.unshift(s.name),n.writer.setAttribute(r,a.join(","),e),n.mapper.bindElementToMarker(e,o.markerName)}(l,t,s,i,n,o)}!function(e,t,i,n,o){const s=`${o.group}-${t?"start":"end"}`,r=o.name?{name:o.name}:null,a=i.writer.createUIElement(s,r);i.writer.insert(e,a),i.mapper.bindElementToMarker(a,n.markerName)}(i.mapper.toViewPosition(s),t,i,n,o)}function Li(e){return"string"==typeof e&&(e={name:e}),{name:e.name,attributes:e.attributes?(0,n.toArray)(e.attributes):[],children:!!e.children}}function Di(e,t){return"function"==typeof e?e:(i,n)=>function(e,t,i){let n;"string"==typeof e&&(e={name:e});const o=t.writer,s=Object.assign({},e.attributes);if("container"==i)n=o.createContainerElement(e.name,s);else if("attribute"==i){const t={priority:e.priority||Fe.DEFAULT_PRIORITY};n=o.createAttributeElement(e.name,s,t)}else n=o.createUIElement(e.name,s);if(e.styles){const t=Object.keys(e.styles);for(const i of t)o.setStyle(i,e.styles[i],n)}if(e.classes){const t=e.classes;if("string"==typeof t)o.addClass(t,n);else for(const e of t)o.addClass(e,n)}return n}(e,n,t)}function Ni(e){return e.model.values?(t,i,n)=>{const o=e.view[t];return o?o(t,i,n):null}:e.view}function Fi(e){return"string"==typeof e?t=>({key:e,value:t}):"object"==typeof e?e.value?()=>e:t=>({key:e.key,value:t}):e}function zi(e,t,i){const n="function"==typeof e?e(t,i):e;return n?(n.priority||(n.priority=10),n.id||(n.id=t.markerName),n):null}function Wi(e){const t=function(e){return(t,i)=>{if(!t.is("element",e.name))return!1;if("attribute"==i.type){if(e.attributes.includes(i.attributeKey))return!0}else if(e.children)return!0;return!1}}(e);return(e,i)=>{const n=[];i.reconvertedElements||(i.reconvertedElements=new Set);for(const e of i.changes){const o="attribute"==e.type?e.range.start.nodeAfter:e.position.parent;if(o&&t(o,e)){if(!i.reconvertedElements.has(o)){i.reconvertedElements.add(o);const e=si._createBefore(o);let t=n.length;for(let i=n.length-1;i>=0;i--){const o=n[i],s=("attribute"==o.type?o.range.start:o.position).compareWith(e);if("before"==s||"remove"==o.type&&"same"==s)break;t=i}n.splice(t,0,{type:"remove",name:o.name,position:e,length:1},{type:"reinsert",name:o.name,position:e,length:1})}}else n.push(e)}i.changes=n}}function Hi(e){return(t,i,n={})=>{const o=["insert"];for(const i of e.attributes)t.hasAttribute(i)&&o.push(`attribute:${i}`);return!!o.every((e=>i.test(t,e)))&&(n.preflight||o.forEach((e=>i.consume(t,e))),!0)}}function Ui(e,t,i,n){for(const o of t)ji(e.root,o,i,n)||i.convertItem(o)}function ji(e,t,i,n){const{writer:o,mapper:s}=i;if(!n.reconversion)return!1;const r=s.toViewElement(t);return!(!r||r.root==e||!i.canReuseView(r)||(o.move(o.createRangeOn(r),s.toViewPosition(si._createBefore(t))),0))}function $i(e,t,{preflight:i}={}){return i?t.test(e,"insert"):t.consume(e,"insert")}function Zi(e){const{schema:t,document:i}=e.model;for(const n of i.getRoots())if(n.isEmpty&&!t.checkChild(n,"$text")&&t.checkChild(n,"paragraph"))return e.insertElement("paragraph",n),!0;return!1}function qi(e,t,i){const n=i.createContext(e);return!!i.checkChild(n,"paragraph")&&!!i.checkChild(n.push("paragraph"),t)}function Ki(e,t){const i=t.createElement("paragraph");return t.insert(i,e),t.createPositionAt(i,0)}class Gi extends Ri{elementToElement(e){return this.add(Ji(e))}elementToAttribute(e){return this.add(function(e){Xi(e=Gt(e));const t=en(e,!1),i=Yi(e.view),n=i?`element:${i}`:"element";return i=>{i.on(n,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){let t=null;("string"==typeof(e=Gt(e)).view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key;let i;return i="class"==t||"style"==t?{["class"==t?"classes":"styles"]:e.view.value}:{attributes:{[t]:void 0===e.view.value?/[\s\S]*/:e.view.value}},e.view.name&&(i.name=e.view.name),e.view=i,t}(e)),Xi(e,t);const i=en(e,!0);return t=>{t.on("element",i,{priority:e.converterPriority||"low"})}}(e))}elementToMarker(e){return this.add(function(e){const t=function(e){return(t,i)=>{const n="string"==typeof e?e:e(t,i);return i.writer.createElement("$marker",{"data-name":n})}}(e.model);return Ji({...e,model:t})}(e))}dataToMarker(e){return this.add(function(e){(e=Gt(e)).model||(e.model=t=>t?e.view+":"+t:e.view);const t={view:e.view,model:e.model},i=Qi(tn(t,"start")),o=Qi(tn(t,"end"));return s=>{s.on(`element:${e.view}-start`,i,{priority:e.converterPriority||"normal"}),s.on(`element:${e.view}-end`,o,{priority:e.converterPriority||"normal"});const r=n.priorities.low,a=n.priorities.highest,l=n.priorities.get(e.converterPriority)/a;s.on("element",function(e){return(t,i,n)=>{const o=`data-${e.view}`;function s(t,o){for(const s of o){const o=e.model(s,n),r=n.writer.createElement("$marker",{"data-name":o});n.writer.insert(r,t),i.modelCursor.isEqual(t)?i.modelCursor=i.modelCursor.getShiftedBy(1):i.modelCursor=i.modelCursor._getTransformedByInsertion(t,1),i.modelRange=i.modelRange._getTransformedByInsertion(t,1)[0]}}(n.consumable.test(i.viewItem,{attributes:o+"-end-after"})||n.consumable.test(i.viewItem,{attributes:o+"-start-after"})||n.consumable.test(i.viewItem,{attributes:o+"-end-before"})||n.consumable.test(i.viewItem,{attributes:o+"-start-before"}))&&(i.modelRange||Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor)),n.consumable.consume(i.viewItem,{attributes:o+"-end-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-end-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-start-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-end-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-end-before").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-start-before").split(",")))}}(t),{priority:r+l})}}(e))}}function Ji(e){const t=Qi(e=Gt(e)),i=Yi(e.view),n=i?`element:${i}`:"element";return i=>{i.on(n,t,{priority:e.converterPriority||"normal"})}}function Yi(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function Qi(e){const t=new y(e.view);return(i,n,o)=>{const s=t.match(n.viewItem);if(!s)return;const r=s.match;if(r.name=!0,!o.consumable.test(n.viewItem,r))return;const a=function(e,t,i){return e instanceof Function?e(t,i):i.writer.createElement(e)}(e.model,n.viewItem,o);a&&o.safeInsert(a,n.modelCursor)&&(o.consumable.consume(n.viewItem,r),o.convertChildren(n.viewItem,a),o.updateConversionResult(a,n))}}function Xi(e,t=null){const i=null===t||(e=>e.getAttribute(t)),n="object"!=typeof e.model?e.model:e.model.key,o="object"!=typeof e.model||void 0===e.model.value?i:e.model.value;e.model={key:n,value:o}}function en(e,t){const i=new y(e.view);return(n,o,s)=>{if(!o.modelRange&&t)return;const r=i.match(o.viewItem);if(!r)return;if(function(e,t){const i="function"==typeof e?e(t):e;return!("object"==typeof i&&!Yi(i))&&(!i.classes&&!i.attributes&&!i.styles)}(e.view,o.viewItem)?r.match.name=!0:delete r.match.name,!s.consumable.test(o.viewItem,r.match))return;const a=e.model.key,l="function"==typeof e.model.value?e.model.value(o.viewItem,s):e.model.value;if(null===l)return;o.modelRange||Object.assign(o,s.convertChildren(o.viewItem,o.modelCursor));const c=function(e,t,i,n){let o=!1;for(const s of Array.from(e.getItems({shallow:i})))n.schema.checkAttribute(s,t.key)&&(o=!0,s.hasAttribute(t.key)||n.writer.setAttribute(t.key,t.value,s));return o}(o.modelRange,{key:a,value:l},t,s);c&&(s.consumable.test(o.viewItem,{name:!0})&&(r.match.name=!0),s.consumable.consume(o.viewItem,r.match))}}function tn(e,t){return{view:`${e.view}-${t}`,model:(t,i)=>{const n=t.getAttribute("name"),o=e.model(n,i);return i.writer.createElement("$marker",{"data-name":o})}}}function nn(e,t){return e.isCollapsed?function(e,t){const i=e.start,n=t.getNearestSelectionRange(i);if(!n){const e=i.getAncestors().reverse().find((e=>t.isObject(e)));return e?hi._createOn(e):null}if(!n.isCollapsed)return n;const o=n.start;return i.isEqual(o)?null:new hi(o)}(e,t):function(e,t){const{start:i,end:n}=e,o=t.checkChild(i,"$text"),s=t.checkChild(n,"$text"),r=t.getLimitElement(i),a=t.getLimitElement(n);if(r===a){if(o&&s)return null;if(function(e,t,i){const n=e.nodeAfter&&!i.isLimit(e.nodeAfter)||i.checkChild(e,"$text"),o=t.nodeBefore&&!i.isLimit(t.nodeBefore)||i.checkChild(t,"$text");return n||o}(i,n,t)){const e=i.nodeAfter&&t.isSelectable(i.nodeAfter)?null:t.getNearestSelectionRange(i,"forward"),o=n.nodeBefore&&t.isSelectable(n.nodeBefore)?null:t.getNearestSelectionRange(n,"backward"),s=e?e.start:i,r=o?o.end:n;return new hi(s,r)}}const l=r&&!r.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const e=i.nodeAfter&&n.nodeBefore&&i.nodeAfter.parent===n.nodeBefore.parent,o=l&&(!e||!sn(i.nodeAfter,t)),s=c&&(!e||!sn(n.nodeBefore,t));let d=i,h=n;return o&&(d=si._createBefore(on(r,t))),s&&(h=si._createAfter(on(a,t))),new hi(d,h)}return null}(e,t)}function on(e,t){let i=e,n=i;for(;t.isLimit(n)&&n.parent;)i=n,n=n.parent;return i}function sn(e,t){return e&&t.isSelectable(e)}class rn extends((0,n.ObservableMixin)()){constructor(e,t){super(),this.model=e,this.view=new Jt(t),this.mapper=new ui,this.downcastDispatcher=new fi({mapper:this.mapper,schema:e.schema});const i=this.model.document,o=i.selection,s=this.model.markers;var r,a,l;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(!0)}),{priority:"highest"}),this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(!1)}),{priority:"lowest"}),this.listenTo(i,"change",(()=>{this.view.change((e=>{this.downcastDispatcher.convertChanges(i.differ,s,e),this.downcastDispatcher.convertSelection(o,s,e)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(i,n)=>{const o=n.newSelection,s=[];for(const e of o.getRanges())s.push(t.toModelRange(e));const r=e.createSelection(s,{backward:o.isBackward});r.isEqual(e.document.selection)||e.change((e=>{e.setSelection(r)}))}}(this.model,this.mapper)),this.listenTo(this.view.document,"beforeinput",(r=this.mapper,a=this.model.schema,l=this.view,(e,t)=>{if(!l.document.isComposing||n.env.isAndroid)for(let e=0;e{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewPosition(t.range.start),s=n.createText(t.item.data);n.insert(o,s)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,i)=>{i.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||i.convertChildren(t.item)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((e,t,i)=>{const n=i.mapper.toViewPosition(t.position),o=t.position.getShiftedBy(t.length),s=i.mapper.toViewPosition(o,{isPhantom:!0}),r=i.writer.createRange(n,s),a=i.writer.remove(r.getTrimmed());for(const e of i.writer.createRangeIn(a).getItems())i.mapper.unbindViewElement(e,{defer:!0})}),{priority:"low"}),this.downcastDispatcher.on("cleanSelection",((e,t,i)=>{const n=i.writer,o=n.document.selection;for(const e of o.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&i.writer.mergeAttributes(e.start);n.setSelection(null)})),this.downcastDispatcher.on("selection",((e,t,i)=>{const n=t.selection;if(n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=[];for(const e of n.getRanges())o.push(i.mapper.toViewRange(e));i.writer.setSelection(o,{backward:n.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((e,t,i)=>{const n=t.selection;if(!n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=i.writer,s=n.getFirstPosition(),r=i.mapper.toViewPosition(s),a=o.breakAttributes(r);o.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((e=>{if("$graveyard"==e.rootName)return null;const t=new Ce(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t}))}destroy(){this.view.destroy(),this.stopListening()}reconvertMarker(e){const t="string"==typeof e?e:e.name,i=this.model.markers.get(t);if(!i)throw new n.CKEditorError("editingcontroller-reconvertmarker-marker-not-exist",this,{markerName:t});this.model.change((()=>{this.model.markers._refresh(i)}))}reconvertItem(e){this.model.change((()=>{this.model.document.differ._refreshItem(e)}))}}class an{constructor(){this._consumables=new Map}add(e,t){let i;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?i=this._consumables.get(e):(i=new cn(e),this._consumables.set(e,i)),i.add(t))}test(e,t){const i=this._consumables.get(e);return void 0===i?null:e.is("$text")||e.is("documentFragment")?i:i.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const i=this._consumables.get(e);void 0!==i&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):i.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},i=e.getAttributeKeys();for(const e of i)"style"!=e&&"class"!=e&&t.attributes.push(e);const n=e.getClassNames();for(const e of n)t.classes.push(e);const o=e.getStyleNames();for(const e of o)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new an),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,an.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const i of e.getChildren())t=an.createFrom(i,t);return t}}const ln=["attributes","classes","styles"];class cn{constructor(e){this.element=e,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(e){e.name&&(this._canConsumeName=!0);for(const t of ln)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t of ln)if(t in e){const i=this._test(t,e[t]);if(!0!==i)return i}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t of ln)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t of ln)t in e&&this._revert(t,e[t])}_add(e,t){const i=(0,E.Z)(t)?t:[t],o=this._consumables[e];for(const t of i){if("attributes"===e&&("class"===t||"style"===t))throw new n.CKEditorError("viewconsumable-invalid-attribute",this);if(o.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))o.set(e,!0)}}_test(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t){const e=n.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",i=this._test(e,[...this._consumables[e].keys()]);if(!0!==i)return i}return!0}_consume(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t){if(n.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))n.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const i=(0,E.Z)(t)?t:[t],n=this._consumables[e];for(const t of i)if("attributes"!==e||"class"!==t&&"style"!==t)!1===n.get(t)&&n.set(t,!0);else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}class dn extends((0,n.ObservableMixin)()){constructor(){super(),this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((e,t)=>{t[0]=new hn(t[0])}),{priority:"highest"}),this.on("checkChild",((e,t)=>{t[0]=new hn(t[0]),t[1]=this.getDefinition(t[1])}),{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new n.CKEditorError("schema-cannot-register-item-twice",this,{itemName:e});this._sourceDefinitions[e]=[Object.assign({},t)],this._clearCache()}extend(e,t){if(!this._sourceDefinitions[e])throw new n.CKEditorError("schema-cannot-extend-missing-item",this,{itemName:e});this._sourceDefinitions[e].push(Object.assign({},t)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(e){let t;return t="string"==typeof e?e:"is"in e&&(e.is("$text")||e.is("$textProxy"))?"$text":e.name,this.getDefinitions()[t]}isRegistered(e){return!!this.getDefinition(e)}isBlock(e){const t=this.getDefinition(e);return!(!t||!t.isBlock)}isLimit(e){const t=this.getDefinition(e);return!(!t||!t.isLimit&&!t.isObject)}isObject(e){const t=this.getDefinition(e);return!!t&&!!(t.isObject||t.isLimit&&t.isSelectable&&t.isContent)}isInline(e){const t=this.getDefinition(e);return!(!t||!t.isInline)}isSelectable(e){const t=this.getDefinition(e);return!(!t||!t.isSelectable&&!t.isObject)}isContent(e){const t=this.getDefinition(e);return!(!t||!t.isContent&&!t.isObject)}checkChild(e,t){return!!t&&this._checkContextMatch(t,e)}checkAttribute(e,t){const i=this.getDefinition(e.last);return!!i&&i.allowAttributes.includes(t)}checkMerge(e,t){if(e instanceof si){const t=e.nodeBefore,i=e.nodeAfter;if(!(t instanceof ii))throw new n.CKEditorError("schema-check-merge-no-element-before",this);if(!(i instanceof ii))throw new n.CKEditorError("schema-check-merge-no-element-after",this);return this.checkMerge(t,i)}for(const i of t.getChildren())if(!this.checkChild(e,i))return!1;return!0}addChildCheck(e){this.on("checkChild",((t,[i,n])=>{if(!n)return;const o=e(i,n);"boolean"==typeof o&&(t.stop(),t.return=o)}),{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",((t,[i,n])=>{const o=e(i,n);"boolean"==typeof o&&(t.stop(),t.return=o)}),{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;for(t=e instanceof si?e.parent:(e instanceof hi?[e]:Array.from(e.getRanges())).reduce(((e,t)=>{const i=t.getCommonAncestor();return e?e.getCommonAncestor(i,{includeSelf:!0}):i}),null);!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const i=[...e.getFirstPosition().getAncestors(),new ei("",e.getAttributes())];return this.checkAttribute(i,t)}{const i=e.getRanges();for(const e of i)for(const i of e)if(this.checkAttribute(i.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const i of e)yield*this._getValidRangesForRange(i,t)}getNearestSelectionRange(e,t="both"){if("$graveyard"==e.root.rootName)return null;if(this.checkChild(e,"$text"))return new hi(e);let i,n;const o=e.getAncestors().reverse().find((e=>this.isLimit(e)))||e.root;"both"!=t&&"backward"!=t||(i=new ni({boundaries:hi._createIn(o),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(n=new ni({boundaries:hi._createIn(o),startPosition:e}));for(const e of function*(e,t){let i=!1;for(;!i;){if(i=!0,e){const t=e.next();t.done||(i=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(i=!1,yield{walker:t,value:e.value})}}}(i,n)){const t=e.walker==i?"elementEnd":"elementStart",n=e.value;if(n.type==t&&this.isObject(n.item))return hi._createOn(n.item);if(this.checkChild(n.nextPosition,"$text"))return new hi(n.nextPosition)}return null}findAllowedParent(e,t){let i=e.parent;for(;i;){if(this.checkChild(i,t))return i;if(this.isLimit(i))return null;i=i.parent}return null}setAllowedAttributes(e,t,i){const n=i.model;for(const[o,s]of Object.entries(t))n.schema.checkAttribute(e,o)&&i.setAttribute(o,s,e)}removeDisallowedAttributes(e,t){for(const i of e)if(i.is("$text"))An(this,i,t);else{const e=hi._createIn(i).getPositions();for(const i of e)An(this,i.nodeBefore||i.parent,t)}}getAttributesWithProperty(e,t,i){const n={};for(const[o,s]of e.getAttributes()){const e=this.getAttributeProperties(o);void 0!==e[t]&&(void 0!==i&&i!==e[t]||(n[o]=s))}return n}createContext(e){return new hn(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,i=Object.keys(t);for(const n of i)e[n]=un(t[n],n);for(const t of i)mn(e,t);for(const t of i)gn(e,t);for(const t of i)fn(e,t);for(const t of i)pn(e,t),bn(e,t);for(const t of i)wn(e,t),vn(e,t),_n(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,i=t.length-1){const n=t.getItem(i);if(e.allowIn.includes(n.name)){if(0==i)return!0;{const e=this.getDefinition(n);return this._checkContextMatch(e,t,i-1)}}return!1}*_getValidRangesForRange(e,t){let i=e.start,n=e.start;for(const o of e.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(hi._createIn(o),t)),this.checkAttribute(o,t)||(i.isEqual(n)||(yield new hi(i,n)),i=si._createAfter(o)),n=si._createAfter(o);i.isEqual(n)||(yield new hi(i,n))}findOptimalInsertionRange(e,t){const i=e.getSelectedElement();if(i&&this.isObject(i)&&!this.isInline(i))return"before"==t||"after"==t?new hi(si._createAt(i,t)):hi._createOn(i);const o=(0,n.first)(e.getSelectedBlocks());if(!o)return new hi(e.focus);if(o.isEmpty)return new hi(si._createAt(o,0));const s=si._createAfter(o);return e.focus.isTouching(s)?new hi(s):new hi(si._createBefore(o))}}class hn{constructor(e){if(e instanceof hn)return e;let t;t="string"==typeof e?[e]:Array.isArray(e)?e:e.getAncestors({includeSelf:!0}),this._items=t.map(Cn)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(e){const t=new hn([e]);return t._items=[...this._items,...t._items],t}getItem(e){return this._items[e]}*getNames(){yield*this._items.map((e=>e.name))}endsWith(e){return Array.from(this.getNames()).join(" ").endsWith(e)}startsWith(e){return Array.from(this.getNames()).join(" ").startsWith(e)}}function un(e,t){const i={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],allowChildren:[],inheritTypesFrom:[]};return function(e,t){for(const i of e){const e=Object.keys(i).filter((e=>e.startsWith("is")));for(const n of e)t[n]=!!i[n]}}(e,i),yn(e,i,"allowIn"),yn(e,i,"allowContentOf"),yn(e,i,"allowWhere"),yn(e,i,"allowAttributes"),yn(e,i,"allowAttributesOf"),yn(e,i,"allowChildren"),yn(e,i,"inheritTypesFrom"),function(e,t){for(const i of e){const e=i.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,i),i}function mn(e,t){const i=e[t];for(const n of i.allowChildren){const i=e[n];i&&i.allowIn.push(t)}i.allowChildren.length=0}function gn(e,t){for(const i of e[t].allowContentOf)e[i]&&kn(e,i).forEach((e=>{e.allowIn.push(t)}));delete e[t].allowContentOf}function fn(e,t){for(const i of e[t].allowWhere){const n=e[i];if(n){const i=n.allowIn;e[t].allowIn.push(...i)}}delete e[t].allowWhere}function pn(e,t){for(const i of e[t].allowAttributesOf){const n=e[i];if(n){const i=n.allowAttributes;e[t].allowAttributes.push(...i)}}delete e[t].allowAttributesOf}function bn(e,t){const i=e[t];for(const t of i.inheritTypesFrom){const n=e[t];if(n){const e=Object.keys(n).filter((e=>e.startsWith("is")));for(const t of e)t in i||(i[t]=n[t])}}delete i.inheritTypesFrom}function wn(e,t){const i=e[t],n=i.allowIn.filter((t=>e[t]));i.allowIn=Array.from(new Set(n))}function vn(e,t){const i=e[t];for(const n of i.allowIn)e[n].allowChildren.push(t)}function _n(e,t){const i=e[t];i.allowAttributes=Array.from(new Set(i.allowAttributes))}function yn(e,t,i){for(const n of e){const e=n[i];"string"==typeof e?t[i].push(e):Array.isArray(e)&&t[i].push(...e)}}function kn(e,t){const i=e[t];return(n=e,Object.keys(n).map((e=>n[e]))).filter((e=>e.allowIn.includes(i.name)));var n}function Cn(e){return"string"==typeof e||e.is("documentFragment")?{name:"string"==typeof e?e:"$documentFragment",*getAttributeKeys(){},getAttribute(){}}:{name:e.is("element")?e.name:"$text",*getAttributeKeys(){yield*e.getAttributeKeys()},getAttribute:t=>e.getAttribute(t)}}function An(e,t,i){for(const n of t.getAttributeKeys())e.checkAttribute(t,n)||i.removeAttribute(n,t)}class En extends((0,n.EmitterMixin)()){constructor(e){super(),this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this._emptyElementsToKeep=new Set,this.conversionApi={...e,consumable:null,writer:null,store:null,convertItem:(e,t)=>this._convertItem(e,t),convertChildren:(e,t)=>this._convertChildren(e,t),safeInsert:(e,t)=>this._safeInsert(e,t),updateConversionResult:(e,t)=>this._updateConversionResult(e,t),splitToAllowedParent:(e,t)=>this._splitToAllowedParent(e,t),getSplitParts:e=>this._getSplitParts(e),keepEmptyElement:e=>this._keepEmptyElement(e)}}convert(e,t,i=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let i;for(const n of new hn(e)){const e={};for(const t of n.getAttributeKeys())e[t]=n.getAttribute(t);const o=t.createElement(n.name,e);i&&t.insert(o,i),i=si._createAt(o,0)}return i}(i,t),this.conversionApi.writer=t,this.conversionApi.consumable=an.createFrom(e),this.conversionApi.store={};const{modelRange:n}=this._convertItem(e,this._modelCursor),o=t.createDocumentFragment();if(n){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,o);o.markers=function(e,t){const i=new Set,n=new Map,o=hi._createIn(e).getItems();for(const e of o)e.is("element","$marker")&&i.add(e);for(const e of i){const i=e.getAttribute("data-name"),o=t.createPositionBefore(e);n.has(i)?n.get(i).end=o.clone():n.set(i,new hi(o.clone())),t.remove(e)}return n}(o,t)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this._emptyElementsToKeep.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(e,t){const i={viewItem:e,modelCursor:t,modelRange:null};if(e.is("element")?this.fire(`element:${e.name}`,i,this.conversionApi):e.is("$text")?this.fire("text",i,this.conversionApi):this.fire("documentFragment",i,this.conversionApi),i.modelRange&&!(i.modelRange instanceof hi))throw new n.CKEditorError("view-conversion-dispatcher-incorrect-result",this);return{modelRange:i.modelRange,modelCursor:i.modelCursor}}_convertChildren(e,t){let i=t.is("position")?t:si._createAt(t,0);const n=new hi(i);for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,i);e.modelRange instanceof hi&&(n.end=e.modelRange.end,i=e.modelCursor)}return{modelRange:n,modelCursor:i}}_safeInsert(e,t){const i=this._splitToAllowedParent(e,t);return!!i&&(this.conversionApi.writer.insert(e,i.position),!0)}_updateConversionResult(e,t){const i=this._getSplitParts(e),n=this.conversionApi.writer;t.modelRange||(t.modelRange=n.createRange(n.createPositionBefore(e),n.createPositionAfter(i[i.length-1])));const o=this._cursorParents.get(e);t.modelCursor=o?n.createPositionAt(o,0):t.modelRange.end}_splitToAllowedParent(e,t){const{schema:i,writer:n}=this.conversionApi;let o=i.findAllowedParent(t,e);if(o){if(o===t.parent)return{position:t};this._modelCursor.parent.getAncestors().includes(o)&&(o=null)}if(!o)return qi(t,e,i)?{position:Ki(t,n)}:null;const s=this.conversionApi.writer.split(t,o),r=[];for(const e of s.range.getWalker())if("elementEnd"==e.type)r.push(e.item);else{const t=r.pop(),i=e.item;this._registerSplitPair(t,i)}const a=s.range.end.parent;return this._cursorParents.set(e,a),{position:s.position,cursorParent:a}}_registerSplitPair(e,t){this._splitParts.has(e)||this._splitParts.set(e,[e]);const i=this._splitParts.get(e);this._splitParts.set(t,i),i.push(t)}_getSplitParts(e){let t;return t=this._splitParts.has(e)?this._splitParts.get(e):[e],t}_keepEmptyElement(e){this._emptyElementsToKeep.add(e)}_removeEmptyElements(){let e=!1;for(const t of this._splitParts.keys())t.isEmpty&&!this._emptyElementsToKeep.has(t)&&(this.conversionApi.writer.remove(t),this._splitParts.delete(t),e=!0);e&&this._removeEmptyElements()}}class xn{getHtml(e){const t=n.global.document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}class Tn{constructor(e){this.skipComments=!0,this.domParser=new DOMParser,this.domConverter=new Et(e,{renderingMode:"data"}),this.htmlWriter=new xn}toData(e){const t=this.domConverter.viewToDom(e);return this.htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this.domConverter.domToView(t,{skipComments:this.skipComments})}registerRawContentMatcher(e){this.domConverter.registerRawContentMatcher(e)}useFillerType(e){this.domConverter.blockFillerMode="marked"==e?"markedNbsp":"nbsp"}_toDom(e){e.match(/<(?:html|body|head|meta)(?:\s[^>]*)?>/i)||(e=`${e}`);const t=this.domParser.parseFromString(e,"text/html"),i=t.createDocumentFragment(),n=t.body.childNodes;for(;n.length>0;)i.appendChild(n[0]);return i}}class Sn extends((0,n.EmitterMixin)()){constructor(e,t){super(),this.model=e,this.mapper=new ui,this.downcastDispatcher=new fi({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",((e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewPosition(t.range.start),s=n.createText(t.item.data);n.insert(o,s)}),{priority:"lowest"}),this.downcastDispatcher.on("insert",((e,t,i)=>{i.convertAttributes(t.item),t.reconversion||!t.item.is("element")||t.item.isEmpty||i.convertChildren(t.item)}),{priority:"lowest"}),this.upcastDispatcher=new En({schema:e.schema}),this.viewDocument=new De(t),this.stylesProcessor=t,this.htmlProcessor=new Tn(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new Ge(this.viewDocument),this.upcastDispatcher.on("text",((e,t,{schema:i,consumable:n,writer:o})=>{let s=t.modelCursor;if(!n.test(t.viewItem))return;if(!i.checkChild(s,"$text")){if(!qi(s,"$text",i))return;if(0==t.viewItem.data.trim().length)return;const e=s.nodeBefore;s=Ki(s,o),e&&e.is("element","$marker")&&(o.move(o.createRangeOn(e),s),s=o.createPositionAfter(e))}n.consume(t.viewItem);const r=o.createText(t.viewItem.data);o.insert(r,s),t.modelRange=o.createRange(s,s.getShiftedBy(r.offsetSize)),t.modelCursor=t.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((e,t,i)=>{if(!t.modelRange&&i.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:n}=i.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=n}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((e,t,i)=>{if(!t.modelRange&&i.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:n}=i.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=n}}),{priority:"lowest"}),(0,n.ObservableMixin)().prototype.decorate.call(this,"init"),(0,n.ObservableMixin)().prototype.decorate.call(this,"set"),(0,n.ObservableMixin)().prototype.decorate.call(this,"get"),(0,n.ObservableMixin)().prototype.decorate.call(this,"toView"),(0,n.ObservableMixin)().prototype.decorate.call(this,"toModel"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange({isUndoable:!1},Zi)}),{priority:"lowest"})}get(e={}){const{rootName:t="main",trim:i="empty"}=e;if(!this._checkIfRootsExists([t]))throw new n.CKEditorError("datacontroller-get-non-existent-root",this);const o=this.model.document.getRoot(t);return o.isAttached()||(0,n.logWarning)("datacontroller-get-detached-root",this),"empty"!==i||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o,e):""}stringify(e,t={}){const i=this.toView(e,t);return this.processor.toData(i)}toView(e,t={}){const i=this.viewDocument,n=this._viewWriter;this.mapper.clearBindings();const o=hi._createIn(e),s=new Ke(i);this.mapper.bindElements(e,s);const r=e.is("documentFragment")?e.markers:function(e){const t=[],i=e.root.document;if(!i)return new Map;const n=hi._createIn(e);for(const e of i.model.markers){const i=e.getRange(),o=i.isCollapsed,s=i.start.isEqual(n.start)||i.end.isEqual(n.end);if(o&&s)t.push([e.name,i]);else{const o=n.getIntersection(i);o&&t.push([e.name,o])}}return t.sort((([e,t],[i,n])=>{if("after"!==t.end.compareWith(n.start))return 1;if("before"!==t.start.compareWith(n.end))return-1;switch(t.start.compareWith(n.start)){case"before":return 1;case"after":return-1;default:switch(t.end.compareWith(n.end)){case"before":return 1;case"after":return-1;default:return i.localeCompare(e)}}})),new Map(t)}(e);return this.downcastDispatcher.convert(o,r,n,t),s}init(e){if(this.model.document.version)throw new n.CKEditorError("datacontroller-init-document-not-empty",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new n.CKEditorError("datacontroller-init-non-existent-root",this);return this.model.enqueueChange({isUndoable:!1},(e=>{for(const i of Object.keys(t)){const n=this.model.document.getRoot(i);e.insert(this.parse(t[i],n),n,0)}})),Promise.resolve()}set(e,t={}){let i={};if("string"==typeof e?i.main=e:i=e,!this._checkIfRootsExists(Object.keys(i)))throw new n.CKEditorError("datacontroller-set-non-existent-root",this);this.model.enqueueChange(t.batchType||{},(e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const t of Object.keys(i)){const n=this.model.document.getRoot(t);e.remove(e.createRangeIn(n)),e.insert(this.parse(i[t],n),n,0)}}))}parse(e,t="$root"){const i=this.processor.toView(e);return this.toModel(i,t)}toModel(e,t="$root"){return this.model.change((i=>this.upcastDispatcher.convert(e,i,t)))}addStyleProcessorRules(e){e(this.stylesProcessor)}registerRawContentMatcher(e){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(e),this.htmlProcessor.registerRawContentMatcher(e)}destroy(){this.stopListening()}_checkIfRootsExists(e){for(const t of e)if(!this.model.document.getRoot(t))return!1;return!0}}class Pn{constructor(e,t){this._helpers=new Map,this._downcast=(0,n.toArray)(e),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=(0,n.toArray)(t),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const i=this._downcast.includes(t);if(!this._upcast.includes(t)&&!i)throw new n.CKEditorError("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:i})}for(e){if(!this._helpers.has(e))throw new n.CKEditorError("conversion-for-unknown-group",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:i}of In(e))this.for("upcast").elementToElement({model:t,view:i,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:i}of In(e))this.for("upcast").elementToAttribute({view:i,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:i}of In(e))this.for("upcast").attributeToAttribute({view:i,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:i}){if(this._helpers.has(e))throw new n.CKEditorError("conversion-group-exists",this);const o=i?new Oi(t):new Gi(t);this._helpers.set(e,o)}}function*In(e){if(e.model.values)for(const t of e.model.values){const i={key:e.model.key,value:t},n=e.view[t],o=e.upcastAlso?e.upcastAlso[t]:void 0;yield*Vn(i,n,o)}else yield*Vn(e.model,e.view,e.upcastAlso)}function*Vn(e,t,i){if(yield{model:e,view:t},i)for(const t of(0,n.toArray)(i))yield{model:e,view:t}}class Rn{constructor(e){this.baseVersion=e,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const e=Object.assign({},this);return e.__className=this.constructor.className,delete e.batch,delete e.isDocumentOperation,e}static get className(){return"Operation"}static fromJSON(e,t){return new this(e.baseVersion)}}function On(e,t){const i=Ln(t),n=i.reduce(((e,t)=>e+t.offsetSize),0),o=e.parent;Nn(e);const s=e.index;return o._insertChild(s,i),Dn(o,s+i.length),Dn(o,s),new hi(e,e.getShiftedBy(n))}function Bn(e){if(!e.isFlat)throw new n.CKEditorError("operation-utils-remove-range-not-flat",this);const t=e.start.parent;Nn(e.start),Nn(e.end);const i=t._removeChildren(e.start.index,e.end.index-e.start.index);return Dn(t,e.start.index),i}function Mn(e,t){if(!e.isFlat)throw new n.CKEditorError("operation-utils-move-range-not-flat",this);const i=Bn(e);return On(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),i)}function Ln(e){const t=[];!function e(i){if("string"==typeof i)t.push(new ei(i));else if(i instanceof ti)t.push(new ei(i.data,i.getAttributes()));else if(i instanceof Qt)t.push(i);else if((0,n.isIterable)(i))for(const t of i)e(t)}(e);for(let e=1;ee.maxOffset)throw new n.CKEditorError("move-operation-nodes-do-not-exist",this);if(e===t&&i=i&&this.targetPosition.path[e]e._clone(!0)))),t=new Wn(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new si(e,[0]);return new zn(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffsete._clone(!0)))),On(this.position,e)}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e.nodes=this.nodes.toJSON(),e}static get className(){return"InsertOperation"}static fromJSON(e,t){const i=[];for(const t of e.nodes)t.name?i.push(ii.fromJSON(t)):i.push(ei.fromJSON(t));const n=new Wn(si.fromJSON(e.position,t),i,e.baseVersion);return n.shouldReceiveAttributes=e.shouldReceiveAttributes,n}}class Hn extends Rn{constructor(e,t,i,n,o){super(o),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=i,this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const e=this.insertionPosition.path.slice();return e.push(0),new si(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new hi(this.splitPosition,e)}get affectedSelectable(){const e=[hi._createFromPositionAndShift(this.splitPosition,0),hi._createFromPositionAndShift(this.insertionPosition,0)];return this.graveyardPosition&&e.push(hi._createFromPositionAndShift(this.graveyardPosition,0)),e}clone(){return new Hn(this.splitPosition,this.howMany,this.insertionPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new si(e,[0]);return new Un(this.moveTargetPosition,this.howMany,this.splitPosition,t,this.baseVersion+1)}_validate(){const e=this.splitPosition.parent,t=this.splitPosition.offset;if(!e||e.maxOffset{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const n=e.range.getDifference(t.range).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,0))),o=e.range.getIntersection(t.range);return o&&i.aIsStrong&&n.push(new Zn(o,t.key,t.newValue,e.newValue,0)),0==n.length?[new qn(0)]:n}return[e]})),eo(Zn,Wn,((e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const i=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion)));if(t.shouldReceiveAttributes){const n=ao(t,e.key,e.oldValue);n&&i.unshift(n)}return i}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]})),eo(Zn,Un,((e,t)=>{const i=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&i.push(hi._createFromPositionAndShift(t.graveyardPosition,1));const n=e.range._getTransformedByMergeOperation(t);return n.isCollapsed||i.push(n),i.map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion)))})),eo(Zn,zn,((e,t)=>function(e,t){const i=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);let n=null,o=[];i.containsRange(e,!0)?n=e:e.start.hasSameParentAs(i.start)?(o=e.getDifference(i),n=e.getIntersection(i)):o=[e];const s=[];for(let e of o){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const i=t.getMovedRangeStart(),n=e.start.hasSameParentAs(i),o=e._getTransformedByInsertion(i,t.howMany,n);s.push(...o)}return n&&s.push(n._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]),s}(e.range,t).map((t=>new Zn(t,e.key,e.oldValue,e.newValue,e.baseVersion))))),eo(Zn,Hn,((e,t)=>{if(e.range.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.range.end.offset++,[e];if(e.range.start.hasSameParentAs(t.splitPosition)&&e.range.containsPosition(t.splitPosition)){const i=e.clone();return i.range=new hi(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,i]}return e.range=e.range._getTransformedBySplitOperation(t),[e]})),eo(Wn,Zn,((e,t)=>{const i=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const n=ao(e,t.key,t.newValue);n&&i.push(n)}return i})),eo(Wn,Wn,((e,t,i)=>(e.position.isEqual(t.position)&&i.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e]))),eo(Wn,zn,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),eo(Wn,Hn,((e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e]))),eo(Wn,Un,((e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e]))),eo(jn,Wn,((e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e]))),eo(jn,jn,((e,t,i)=>{if(e.name==t.name){if(!i.aIsStrong)return[new qn(0)];e.oldRange=t.newRange?t.newRange.clone():null}return[e]})),eo(jn,Un,((e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByMergeOperation(t)),e.newRange&&(e.newRange=e.newRange._getTransformedByMergeOperation(t)),[e]))),eo(jn,zn,((e,t,i)=>{if(e.oldRange&&(e.oldRange=hi._createFromRanges(e.oldRange._getTransformedByMoveOperation(t))),e.newRange){if(i.abRelation){const n=hi._createFromRanges(e.newRange._getTransformedByMoveOperation(t));if("left"==i.abRelation.side&&t.targetPosition.isEqual(e.newRange.start))return e.newRange.end=n.end,e.newRange.start.path=i.abRelation.path,[e];if("right"==i.abRelation.side&&t.targetPosition.isEqual(e.newRange.end))return e.newRange.start=n.start,e.newRange.end.path=i.abRelation.path,[e]}e.newRange=hi._createFromRanges(e.newRange._getTransformedByMoveOperation(t))}return[e]})),eo(jn,Hn,((e,t,i)=>{if(e.oldRange&&(e.oldRange=e.oldRange._getTransformedBySplitOperation(t)),e.newRange){if(i.abRelation){const n=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&i.abRelation.wasStartBeforeMergedElement?e.newRange.start=si._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!i.abRelation.wasInLeftElement&&(e.newRange.start=si._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&i.abRelation.wasInRightElement?e.newRange.end=si._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&i.abRelation.wasEndBeforeMergedElement?e.newRange.end=si._createAt(t.insertionPosition):e.newRange.end=n.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]})),eo(Un,Wn,((e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e]))),eo(Un,Un,((e,t,i)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(i.bWasUndone){const i=t.graveyardPosition.path.slice();return i.push(0),e.sourcePosition=new si(t.graveyardPosition.root,i),e.howMany=0,[e]}return[new qn(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!i.bWasUndone&&"splitAtSource"!=i.abRelation){const n="$graveyard"==e.targetPosition.root.rootName,o="$graveyard"==t.targetPosition.root.rootName;if(o&&!n||(!n||o)&&i.aIsStrong){const i=t.targetPosition._getTransformedByMergeOperation(t),n=e.targetPosition._getTransformedByMergeOperation(t);return[new zn(i,e.howMany,n,0)]}return[new qn(0)]}return e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMergeOperation(t),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),e.graveyardPosition.isEqual(t.graveyardPosition)&&i.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),eo(Un,zn,((e,t,i)=>{const n=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!i.bWasUndone&&!i.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.sourcePosition)?[new qn(0)]:(e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition.hasSameParentAs(t.sourcePosition)&&(e.howMany-=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMoveOperation(t),e.targetPosition=e.targetPosition._getTransformedByMoveOperation(t),e.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])})),eo(Un,Hn,((e,t,i)=>{if(t.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition,1),e.deletionPosition.isEqual(t.graveyardPosition)&&(e.howMany=t.howMany)),e.targetPosition.isEqual(t.splitPosition)){const n=0!=t.howMany,o=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(n||o||"mergeTargetNotMoved"==i.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==i.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==i.abRelation||e.sourcePosition.offset>0)return e.sourcePosition=t.moveTargetPosition.clone(),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}return e.sourcePosition.hasSameParentAs(t.splitPosition)&&(e.howMany=t.splitPosition.offset),e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]})),eo(zn,Wn,((e,t)=>{const i=hi._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=i.start,e.howMany=i.end.offset-i.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]})),eo(zn,zn,((e,t,i)=>{const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany),s=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,a=i.aIsStrong,l=!i.aIsStrong;if("insertBefore"==i.abRelation||"insertAfter"==i.baRelation?l=!0:"insertAfter"!=i.abRelation&&"insertBefore"!=i.baRelation||(l=!1),r=e.targetPosition.isEqual(t.targetPosition)&&l?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),lo(e,t)&&lo(t,e))return[t.getReversed()];if(o.containsPosition(t.targetPosition)&&o.containsRange(s,!0))return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),co([o],r);if(s.containsPosition(e.targetPosition)&&s.containsRange(o,!0))return o.start=o.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),o.end=o.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),co([o],r);const c=(0,n.compareArrays)(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),o.end=o.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),co([o],r);"remove"!=e.type||"remove"==t.type||i.aWasUndone||i.forceWeakRemove?"remove"==e.type||"remove"!=t.type||i.bWasUndone||i.forceWeakRemove||(a=!1):a=!0;const d=[],h=o.getDifference(s);for(const e of h){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const i="same"==(0,n.compareArrays)(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),o=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,i);d.push(...o)}const u=o.getIntersection(s);return null!==u&&a&&(u.start=u.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),u.end=u.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===d.length?d.push(u):1==d.length?s.start.isBefore(o.start)||s.start.isEqual(o.start)?d.unshift(u):d.push(u):d.splice(1,0,u)),0===d.length?[new qn(e.baseVersion)]:co(d,r)})),eo(zn,Hn,((e,t,i)=>{let n=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=i.abRelation||(n=e.targetPosition._getTransformedBySplitOperation(t));const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany);if(o.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=n,[e];if(o.start.hasSameParentAs(t.splitPosition)&&o.containsPosition(t.splitPosition)){let e=new hi(t.splitPosition,o.end);return e=e._getTransformedBySplitOperation(t),co([new hi(o.start,t.splitPosition),e],n)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==i.abRelation&&(n=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==i.abRelation&&(n=e.targetPosition);const s=[o._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const n=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);e.howMany>1&&n&&!i.aWasUndone&&s.push(hi._createFromPositionAndShift(t.insertionPosition,1))}return co(s,n)})),eo(zn,Un,((e,t,i)=>{const n=hi._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.sourcePosition))if("remove"!=e.type||i.forceWeakRemove){if(1==e.howMany)return i.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new qn(0)]}else if(!i.aWasUndone){const i=[];let n=t.graveyardPosition.clone(),o=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(i.push(new zn(e.sourcePosition,e.howMany-1,e.targetPosition,0)),n=n._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),o=o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const s=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),r=new zn(n,1,s,0),a=r.getMovedRangeStart().path.slice();a.push(0);const l=new si(r.targetPosition.root,a);o=o._getTransformedByMove(n,s,1);const c=new zn(o,t.howMany,l,0);return i.push(r),i.push(c),i}const o=hi._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=o.start,e.howMany=o.end.offset-o.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]})),eo(Kn,Wn,((e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e]))),eo(Kn,Un,((e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e]))),eo(Kn,zn,((e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e]))),eo(Kn,Kn,((e,t,i)=>{if(e.position.isEqual(t.position)){if(!i.aIsStrong)return[new qn(0)];e.oldName=t.newName}return[e]})),eo(Kn,Hn,((e,t)=>{const i=e.position.path,o=t.splitPosition.getParentPath();if("same"==(0,n.compareArrays)(i,o)&&!t.graveyardPosition){const t=new Kn(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]})),eo(Gn,Gn,((e,t,i)=>{if(e.root===t.root&&e.key===t.key){if(!i.aIsStrong||e.newValue===t.newValue)return[new qn(0)];e.oldValue=t.newValue}return[e]})),eo(Jn,Jn,((e,t)=>e.rootName===t.rootName&&e.isAdd===t.isAdd?[new qn(0)]:[e])),eo(Hn,Wn,((e,t)=>(e.splitPosition.hasSameParentAs(t.position)&&e.splitPosition.offset{if(!e.graveyardPosition&&!i.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const i=t.graveyardPosition.path.slice();i.push(0);const n=new si(t.graveyardPosition.root,i),o=Hn.getInsertionPosition(new si(t.graveyardPosition.root,i)),s=new Hn(n,0,o,null,0);return e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),e.graveyardPosition=s.insertionPosition.clone(),e.graveyardPosition.stickiness="toNext",[s,e]}return e.splitPosition.hasSameParentAs(t.deletionPosition)&&!e.splitPosition.isAfter(t.deletionPosition)&&e.howMany--,e.splitPosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]})),eo(Hn,zn,((e,t,i)=>{const n=hi._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const o=n.start.isEqual(e.graveyardPosition)||n.containsPosition(e.graveyardPosition);if(!i.bWasUndone&&o){const i=e.splitPosition._getTransformedByMoveOperation(t),n=e.graveyardPosition._getTransformedByMoveOperation(t),o=n.path.slice();o.push(0);const s=new si(n.root,o);return[new zn(i,e.howMany,s,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}const o=e.splitPosition.isEqual(t.targetPosition);if(o&&("insertAtSource"==i.baRelation||"splitBefore"==i.abRelation))return e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=Hn.getInsertionPosition(e.splitPosition),[e];if(o&&i.abRelation&&i.abRelation.howMany){const{howMany:t,offset:n}=i.abRelation;return e.howMany+=t,e.splitPosition=e.splitPosition.getShiftedBy(n),[e]}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.splitPosition)){const i=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=i,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new qn(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new qn(0)];if("splitBefore"==i.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const n="$graveyard"==e.splitPosition.root.rootName,o="$graveyard"==t.splitPosition.root.rootName;if(o&&!n||(!n||o)&&i.aIsStrong){const i=[];return t.howMany&&i.push(new zn(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&i.push(new zn(e.splitPosition,e.howMany,e.moveTargetPosition,0)),i}return[new qn(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==i.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==i.baRelation){const i=t.insertionPosition.path.slice();i.push(0);const n=new si(t.insertionPosition.root,i);return[e,new zn(e.insertionPosition,1,n,0)]}return e.splitPosition.hasSameParentAs(t.splitPosition)&&e.splitPosition.offset{const i=t[0];i.isDocumentOperation&&mo.call(this,i)}),{priority:"low"})}function mo(e){const t=this.getTransformedByOperation(e);if(!this.isEqual(t)){const e=this.toPosition();this.path=t.path,this.root=t.root,this.fire("change",e)}}ho.prototype.is=function(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e};class go{constructor(e={}){"string"==typeof e&&(e="transparent"===e?{isUndoable:!1}:{},(0,n.logWarning)("batch-constructor-deprecated-string-type"));const{isUndoable:t=!0,isLocal:i=!0,isUndo:o=!1,isTyping:s=!1}=e;this.operations=[],this.isUndoable=t,this.isLocal=i,this.isUndo=o,this.isTyping=s}get type(){return(0,n.logWarning)("batch-type-deprecated"),"default"}get baseVersion(){for(const e of this.operations)if(null!==e.baseVersion)return e.baseVersion;return null}addOperation(e){return e.batch=this,this.operations.push(e),e}}class fo{constructor(e){this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changedRoots=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null,this._refreshedItems=new Set,this._markerCollection=e}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size&&0==this._changedRoots.size}bufferOperation(e){const t=e;switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),i=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),i||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=hi._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getData();this.bufferMarkerChange(t.name,e,e)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const i=t.graveyardPosition.parent;this._markInsert(i,t.graveyardPosition.offset,1);const n=t.targetPosition.parent;this._isInInsertedElement(n)||this._markInsert(n,t.targetPosition.offset,e.maxOffset);break}case"detachRoot":case"addRoot":{const e=t.affectedSelectable;if(!e._isLoaded)return;if(e.isAttached()==t.isAdd)return;this._bufferRootStateChange(t.rootName,t.isAdd);break}case"addRootAttribute":case"removeRootAttribute":case"changeRootAttribute":{if(!t.root._isLoaded)return;const e=t.root.rootName;this._bufferRootAttributeChange(e,t.key,t.oldValue,t.newValue);break}}this._cachedChanges=null}bufferMarkerChange(e,t,i){t.range&&t.range.root.is("rootElement")&&!t.range.root._isLoaded&&(t.range=null),i.range&&i.range.root.is("rootElement")&&!i.range.root._isLoaded&&(i.range=null);let n=this._changedMarkers.get(e);n?n.newMarkerData=i:(n={newMarkerData:i,oldMarkerData:t},this._changedMarkers.set(e,n)),null==n.oldMarkerData.range&&null==i.range&&this._changedMarkers.delete(e)}getMarkersToRemove(){const e=[];for(const[t,i]of this._changedMarkers)null!=i.oldMarkerData.range&&e.push({name:t,range:i.oldMarkerData.range});return e}getMarkersToAdd(){const e=[];for(const[t,i]of this._changedMarkers)null!=i.newMarkerData.range&&e.push({name:t,range:i.newMarkerData.range});return e}getChangedMarkers(){return Array.from(this._changedMarkers).map((([e,t])=>({name:e,data:{oldRange:t.oldMarkerData.range,newRange:t.newMarkerData.range}})))}hasDataChanges(){if(this._changesInElement.size>0)return!0;if(this._changedRoots.size>0)return!0;for(const{newMarkerData:e,oldMarkerData:t}of this._changedMarkers.values()){if(e.affectsData!==t.affectsData)return!0;if(e.affectsData){const i=e.range&&!t.range,n=!e.range&&t.range,o=e.range&&t.range&&!e.range.isEqual(t.range);if(i||n||o)return!0}}return!1}getChanges(e={}){if(this._cachedChanges)return e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();let t=[];for(const e of this._changesInElement.keys()){const i=this._changesInElement.get(e).sort(((e,t)=>e.offset===t.offset?e.type!=t.type?"remove"==e.type?-1:1:0:e.offsete.position.root!=t.position.root?e.position.root.rootNamee));for(const e of t)delete e.changeCount,"attribute"==e.type&&(delete e.position,delete e.length);return this._changeCount=0,this._cachedChangesWithGraveyard=t,this._cachedChanges=t.filter(wo),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice()}getChangedRoots(){return Array.from(this._changedRoots.values()).map((e=>{const t={...e};return void 0!==t.state&&delete t.attributes,t}))}getRefreshedItems(){return new Set(this._refreshedItems)}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._changedRoots.clear(),this._refreshedItems=new Set,this._cachedChanges=null}_bufferRootStateChange(e,t){if(!this._changedRoots.has(e))return void this._changedRoots.set(e,{name:e,state:t?"attached":"detached"});const i=this._changedRoots.get(e);void 0!==i.state?(delete i.state,void 0===i.attributes&&this._changedRoots.delete(e)):i.state=t?"attached":"detached"}_bufferRootAttributeChange(e,t,i,n){const o=this._changedRoots.get(e)||{name:e},s=o.attributes||{};if(s[t]){const e=s[t];n===e.oldValue?delete s[t]:e.newValue=n}else s[t]={oldValue:i,newValue:n};0===Object.entries(s).length?(delete o.attributes,void 0===o.state&&this._changedRoots.delete(e)):(o.attributes=s,this._changedRoots.set(e,o))}_refreshItem(e){if(this._isInInsertedElement(e.parent))return;this._markRemove(e.parent,e.startOffset,e.offsetSize),this._markInsert(e.parent,e.startOffset,e.offsetSize),this._refreshedItems.add(e);const t=hi._createOn(e);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getData();this.bufferMarkerChange(e.name,t,t)}this._cachedChanges=null}_bufferRootLoad(e){if(e.isAttached()){this._bufferRootStateChange(e.rootName,!0),this._markInsert(e,0,e.maxOffset);for(const t of e.getAttributeKeys())this._bufferRootAttributeChange(e.rootName,t,null,e.getAttribute(t));for(const t of this._markerCollection)if(t.getRange().root==e){const e=t.getData();this.bufferMarkerChange(t.name,{...e,range:null},e)}}}_markInsert(e,t,i){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const n={type:"insert",offset:t,howMany:i,count:this._changeCount++};this._markChange(e,n)}_markRemove(e,t,i){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const n={type:"remove",offset:t,howMany:i,count:this._changeCount++};this._markChange(e,n),this._removeAllNestedChanges(e,t,i)}_markAttribute(e){if(e.root.is("rootElement")&&!e.root._isLoaded)return;const t={type:"attribute",offset:e.startOffset,howMany:e.offsetSize,count:this._changeCount++};this._markChange(e.parent,t)}_markChange(e,t){this._makeSnapshot(e);const i=this._getChangesForElement(e);this._handleChange(t,i),i.push(t);for(let e=0;ei.offset){if(n>o){const e={type:"attribute",offset:o,howMany:n-o,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=i.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=i.offset&&e.offseto?(e.nodesToHandle=n-o,e.offset=o):e.nodesToHandle=0);if("remove"==i.type&&e.offseti.offset){const o={type:"attribute",offset:i.offset,howMany:n-i.offset,count:this._changeCount++};this._handleChange(o,t),t.push(o),e.nodesToHandle=i.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==i.type&&(e.offset>=i.offset&&n<=o?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=i.offset&&n>=o&&(i.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,i){return{type:"insert",position:si._createAt(e,t),name:i.name,attributes:new Map(i.attributes),length:1,changeCount:this._changeCount++,_element:i.element}}_getRemoveDiff(e,t,i){return{type:"remove",position:si._createAt(e,t),name:i.name,attributes:new Map(i.attributes),length:1,changeCount:this._changeCount++,_element:i.element}}_getAttributesDiff(e,t,i){const n=[];i=new Map(i);for(const[o,s]of t){const t=i.has(o)?i.get(o):null;t!==s&&n.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:o,attributeOldValue:s,attributeNewValue:t,changeCount:this._changeCount++}),i.delete(o)}for(const[t,o]of i)n.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return n}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const i=this._changesInElement.get(t),n=e.startOffset;if(i)for(const e of i)if("insert"==e.type&&n>=e.offset&&nn){for(let t=0;tthis._version+1&&this._gaps.set(this._version,e),this._version=e}get lastOperation(){return this._operations[this._operations.length-1]}addOperation(e){if(e.baseVersion!==this.version)throw new n.CKEditorError("model-document-history-addoperation-incorrect-version",this,{operation:e,historyVersion:this.version});this._operations.push(e),this._version++,this._baseVersionToOperationIndex.set(e.baseVersion,this._operations.length-1)}getOperations(e,t=this.version){if(!this._operations.length)return[];const i=this._operations[0];void 0===e&&(e=i.baseVersion);let n=t-1;for(const[t,i]of this._gaps)e>t&&et&&nthis.lastOperation.baseVersion)return[];let o=this._baseVersionToOperationIndex.get(e);void 0===o&&(o=0);let s=this._baseVersionToOperationIndex.get(n);return void 0===s&&(s=this._operations.length-1),this._operations.slice(o,s+1)}getOperation(e){const t=this._baseVersionToOperationIndex.get(e);if(void 0!==t)return this._operations[t]}setOperationAsUndone(e,t){this._undoPairs.set(t,e),this._undoneOperations.add(e)}isUndoingOperation(e){return this._undoPairs.has(e)}isUndoneOperation(e){return this._undoneOperations.has(e)}getUndoneOperation(e){return this._undoPairs.get(e)}reset(){this._version=0,this._undoPairs=new Map,this._operations=[],this._undoneOperations=new Set,this._gaps=new Map,this._baseVersionToOperationIndex=new Map}}class _o extends ii{constructor(e,t,i="main"){super(t),this._isAttached=!0,this._isLoaded=!0,this._document=e,this.rootName=i}get document(){return this._document}isAttached(){return this._isAttached}toJSON(){return this.rootName}}_o.prototype.is=function(e,t){return t?t===this.name&&("rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e):"rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e||"node"===e||"model:node"===e};const yo="$graveyard";class ko extends((0,n.EmitterMixin)()){constructor(e){super(),this.model=e,this.history=new vo,this.selection=new Pi(this),this.roots=new n.Collection({idProperty:"rootName"}),this.differ=new fo(e.markers),this.isReadOnly=!1,this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",yo),this.listenTo(e,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&this.differ.bufferOperation(i)}),{priority:"high"}),this.listenTo(e,"applyOperation",((e,t)=>{const i=t[0];i.isDocumentOperation&&this.history.addOperation(i)}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(e.markers,"update",((e,t,i,n,o)=>{const s={...t.getData(),range:n};this.differ.bufferMarkerChange(t.name,o,s),null===i&&t.on("change",((e,i)=>{const n=t.getData();this.differ.bufferMarkerChange(t.name,{...n,range:i},n)}))})),this.registerPostFixer((e=>{let t=!1;for(const i of this.roots)i.isAttached()||i.isEmpty||(e.remove(e.createRangeIn(i)),t=!0);for(const i of this.model.markers)i.getRange().root.isAttached()||(e.removeMarker(i),t=!0);return t}))}get version(){return this.history.version}set version(e){this.history.version=e}get graveyard(){return this.getRoot(yo)}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new n.CKEditorError("model-document-createroot-name-exists",this,{name:t});const i=new _o(this,e,t);return this.roots.add(i),i}destroy(){this.selection.destroy(),this.stopListening()}getRoot(e="main"){return this.roots.get(e)}getRootNames(e=!1){return this.getRoots(e).map((e=>e.rootName))}getRoots(e=!1){return this.roots.filter((t=>t!=this.graveyard&&(e||t.isAttached())&&t._isLoaded))}registerPostFixer(e){this._postFixers.add(e)}toJSON(){const e=p(this);return e.selection="[engine.model.DocumentSelection]",e.model="[engine.model.Model]",e}_handleChangeBlock(e){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(e),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",e.batch):this.fire("change",e.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){const e=this.getRoots();return e.length?e[0]:this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=this.model,i=t.schema,n=t.createPositionFromPath(e,[0]);return i.getNearestSelectionRange(n)||t.createRange(n)}_validateSelectionRange(e){return Co(e.start)&&Co(e.end)}_callPostFixers(e){let t=!1;do{for(const i of this._postFixers)if(this.selection.refresh(),t=i(e),t)break}while(t)}}function Co(e){const t=e.textNode;if(t){const i=t.data,o=e.offset-t.startOffset;return!(0,n.isInsideSurrogatePair)(i,o)&&!(0,n.isInsideCombinedSymbol)(i,o)}return!0}class Ao extends((0,n.EmitterMixin)()){constructor(){super(...arguments),this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){const t=e instanceof Eo?e.name:e;return this._markers.has(t)}get(e){return this._markers.get(e)||null}_set(e,t,i=!1,o=!1){const s=e instanceof Eo?e.name:e;if(s.includes(","))throw new n.CKEditorError("markercollection-incorrect-marker-name",this);const r=this._markers.get(s);if(r){const e=r.getData(),n=r.getRange();let a=!1;return n.isEqual(t)||(r._attachLiveRange(Ei.fromRange(t)),a=!0),i!=r.managedUsingOperations&&(r._managedUsingOperations=i,a=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,a=!0),a&&this.fire(`update:${s}`,r,n,t,e),r}const a=Ei.fromRange(t),l=new Eo(s,a,i,o);return this._markers.set(s,l),this.fire(`update:${s}`,l,null,t,{...l.getData(),range:null}),l}_remove(e){const t=e instanceof Eo?e.name:e,i=this._markers.get(t);return!!i&&(this._markers.delete(t),this.fire(`update:${t}`,i,i.getRange(),null,i.getData()),this._destroyMarker(i),!0)}_refresh(e){const t=e instanceof Eo?e.name:e,i=this._markers.get(t);if(!i)throw new n.CKEditorError("markercollection-refresh-marker-not-exists",this);const o=i.getRange();this.fire(`update:${t}`,i,o,o,i.getData())}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}*getMarkersIntersectingRange(e){for(const t of this)null!==t.getRange().getIntersection(e)&&(yield t)}destroy(){for(const e of this._markers.values())this._destroyMarker(e);this._markers=null,this.stopListening()}*getMarkersGroup(e){for(const t of this._markers.values())t.name.startsWith(e+":")&&(yield t)}_destroyMarker(e){e.stopListening(),e._detachLiveRange()}}class Eo extends((0,n.EmitterMixin)(Yt)){constructor(e,t,i,n){super(),this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=i,this._affectsData=n}get managedUsingOperations(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._affectsData}getData(){return{range:this.getRange(),affectsData:this.affectsData,managedUsingOperations:this.managedUsingOperations}}getStart(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new n.CKEditorError("marker-destroyed",this);return this._liveRange.toRange()}_attachLiveRange(e){return this._liveRange&&this._detachLiveRange(),e.delegate("change:range").to(this),e.delegate("change:content").to(this),this._liveRange=e,e}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Eo.prototype.is=function(e){return"marker"===e||"model:marker"===e};class xo extends Rn{constructor(e,t){super(null),this.sourcePosition=e.clone(),this.howMany=t}get type(){return"detach"}get affectedSelectable(){return null}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e}_validate(){if(this.sourcePosition.root.document)throw new n.CKEditorError("detach-operation-on-document-node",this)}_execute(){Bn(hi._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class To extends Yt{constructor(e){super(),this.markers=new Map,this._children=new Xt,e&&this._insertChild(0,e)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get nextSibling(){return null}get previousSibling(){return null}get root(){return this}get parent(){return null}get document(){return null}isAttached(){return!1}getAncestors(){return[]}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const i of e)t=t.getChild(t.offsetToIndex(i));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const i of e)i.name?t.push(ii.fromJSON(i)):t.push(ei.fromJSON(i));return new To(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const i=function(e){return"string"==typeof e?[new ei(e)]:((0,n.isIterable)(e)||(e=[e]),Array.from(e).map((e=>"string"==typeof e?new ei(e):e instanceof ti?new ei(e.data,e.getAttributes()):e)))}(t);for(const e of i)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,i)}_removeChildren(e,t=1){const i=this._children._removeNodes(e,t);for(const e of i)e.parent=null;return i}}To.prototype.is=function(e){return"documentFragment"===e||"model:documentFragment"===e};class So{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new ei(e,t)}createElement(e,t){return new ii(e,t)}createDocumentFragment(){return new To}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,i=0){if(this._assertWriterUsedCorrectly(),e instanceof ei&&""==e.data)return;const o=si._createAt(t,i);if(e.parent){if(Oo(e.root,o.root))return void this.move(hi._createOn(e),o);if(e.root.document)throw new n.CKEditorError("model-writer-insert-forbidden-move",this);this.remove(e)}const s=o.root.document?o.root.document.version:null,r=new Wn(o,e,s);if(e instanceof ei&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof To)for(const[t,i]of e.markers){const e=si._createAt(i.root,0),n={range:new hi(i.start._getCombined(e,o),i.end._getCombined(e,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,n):this.addMarker(t,n)}}insertText(e,t,i,n){t instanceof To||t instanceof ii||t instanceof si?this.insert(this.createText(e),t,i):this.insert(this.createText(e,t),i,n)}insertElement(e,t,i,n){t instanceof To||t instanceof ii||t instanceof si?this.insert(this.createElement(e),t,i):this.insert(this.createElement(e,t),i,n)}append(e,t){this.insert(e,t,"end")}appendText(e,t,i){t instanceof To||t instanceof ii?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),i,"end")}appendElement(e,t,i){t instanceof To||t instanceof ii?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),i,"end")}setAttribute(e,t,i){if(this._assertWriterUsedCorrectly(),i instanceof hi){const n=i.getMinimalFlatRanges();for(const i of n)Po(this,e,t,i)}else Io(this,e,t,i)}setAttributes(e,t){for(const[i,o]of(0,n.toMap)(e))this.setAttribute(i,o,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof hi){const i=t.getMinimalFlatRanges();for(const t of i)Po(this,e,null,t)}else Io(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof hi)for(const i of e.getItems())t(i);else t(e)}move(e,t,i){if(this._assertWriterUsedCorrectly(),!(e instanceof hi))throw new n.CKEditorError("writer-move-invalid-range",this);if(!e.isFlat)throw new n.CKEditorError("writer-move-range-not-flat",this);const o=si._createAt(t,i);if(o.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!Oo(e.root,o.root))throw new n.CKEditorError("writer-move-different-document",this);const s=e.root.document?e.root.document.version:null,r=new zn(e.start,e.end.offset-e.start.offset,o,s);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof hi?e:hi._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),Ro(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,i=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof ii))throw new n.CKEditorError("writer-merge-no-element-before",this);if(!(i instanceof ii))throw new n.CKEditorError("writer-merge-no-element-after",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,i){return this.model.createPositionFromPath(e,t,i)}createPositionAt(e,t){return this.model.createPositionAt(e,t)}createPositionAfter(e){return this.model.createPositionAfter(e)}createPositionBefore(e){return this.model.createPositionBefore(e)}createRange(e,t){return this.model.createRange(e,t)}createRangeIn(e){return this.model.createRangeIn(e)}createRangeOn(e){return this.model.createRangeOn(e)}createSelection(...e){return this.model.createSelection(...e)}_mergeDetached(e){const t=e.nodeBefore,i=e.nodeAfter;this.move(hi._createIn(i),si._createAt(t,"end")),this.remove(i)}_merge(e){const t=si._createAt(e.nodeBefore,"end"),i=si._createAt(e.nodeAfter,0),n=e.root.document.graveyard,o=new si(n,[0]),s=e.root.document.version,r=new Un(i,e.nodeAfter.maxOffset,t,o,s);this.batch.addOperation(r),this.model.applyOperation(r)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof ii))throw new n.CKEditorError("writer-rename-not-element-instance",this);const i=e.root.document?e.root.document.version:null,o=new Kn(si._createBefore(e),e.name,t,i);this.batch.addOperation(o),this.model.applyOperation(o)}split(e,t){this._assertWriterUsedCorrectly();let i,o,s=e.parent;if(!s.parent)throw new n.CKEditorError("writer-split-element-no-parent",this);if(t||(t=s.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new n.CKEditorError("writer-split-invalid-limit-element",this);do{const t=s.root.document?s.root.document.version:null,n=s.maxOffset-e.offset,r=Hn.getInsertionPosition(e),a=new Hn(e,n,r,null,t);this.batch.addOperation(a),this.model.applyOperation(a),i||o||(i=s,o=e.parent.nextSibling),s=(e=this.createPositionAfter(e.parent)).parent}while(s!==t);return{position:e,range:new hi(si._createAt(i,"end"),si._createAt(o,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new n.CKEditorError("writer-wrap-range-not-flat",this);const i=t instanceof ii?t:new ii(t);if(i.childCount>0)throw new n.CKEditorError("writer-wrap-element-not-empty",this);if(null!==i.parent)throw new n.CKEditorError("writer-wrap-element-attached",this);this.insert(i,e.start);const o=new hi(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(o,si._createAt(i,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new n.CKEditorError("writer-unwrap-element-no-parent",this);this.move(hi._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new n.CKEditorError("writer-addmarker-no-usingoperation",this);const i=t.usingOperation,o=t.range,s=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new n.CKEditorError("writer-addmarker-marker-exists",this);if(!o)throw new n.CKEditorError("writer-addmarker-no-range",this);return i?(Vo(this,e,null,o,s),this.model.markers.get(e)):this.model.markers._set(e,o,i,s)}updateMarker(e,t){this._assertWriterUsedCorrectly();const i="string"==typeof e?e:e.name,o=this.model.markers.get(i);if(!o)throw new n.CKEditorError("writer-updatemarker-marker-not-exists",this);if(!t)return(0,n.logWarning)("writer-updatemarker-reconvert-using-editingcontroller",{markerName:i}),void this.model.markers._refresh(o);const s="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,a=r?t.affectsData:o.affectsData;if(!s&&!t.range&&!r)throw new n.CKEditorError("writer-updatemarker-wrong-options",this);const l=o.getRange(),c=t.range?t.range:l;s&&t.usingOperation!==o.managedUsingOperations?t.usingOperation?Vo(this,i,null,c,a):(Vo(this,i,l,null,a),this.model.markers._set(i,c,void 0,a)):o.managedUsingOperations?Vo(this,i,l,c,a):this.model.markers._set(i,c,void 0,a)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new n.CKEditorError("writer-removemarker-no-marker",this);const i=this.model.markers.get(t);i.managedUsingOperations?Vo(this,t,i.getRange(),null,i.affectsData):this.model.markers._remove(t)}addRoot(e,t="$root"){this._assertWriterUsedCorrectly();const i=this.model.document.getRoot(e);if(i&&i.isAttached())throw new n.CKEditorError("writer-addroot-root-exists",this);const o=this.model.document,s=new Jn(e,t,!0,o,o.version);return this.batch.addOperation(s),this.model.applyOperation(s),this.model.document.getRoot(e)}detachRoot(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?this.model.document.getRoot(e):e;if(!t||!t.isAttached())throw new n.CKEditorError("writer-detachroot-no-root",this);for(const e of this.model.markers)e.getRange().root===t&&this.removeMarker(e);for(const e of t.getAttributeKeys())this.removeAttribute(e,t);this.remove(this.createRangeIn(t));const i=this.model.document,o=new Jn(t.rootName,t.name,!1,i,i.version);this.batch.addOperation(o),this.model.applyOperation(o)}setSelection(...e){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(...e)}setSelectionFocus(e,t){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(e,t)}setSelectionAttribute(e,t){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._setSelectionAttribute(e,t);else for(const[t,i]of(0,n.toMap)(e))this._setSelectionAttribute(t,i)}removeSelectionAttribute(e){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._removeSelectionAttribute(e);else for(const t of e)this._removeSelectionAttribute(t)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(e){this.model.document.selection._restoreGravity(e)}_setSelectionAttribute(e,t){const i=this.model.document.selection;if(i.isCollapsed&&i.anchor.parent.isEmpty){const n=Pi._getStoreAttributeKey(e);this.setAttribute(n,t,i.anchor.parent)}i._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const i=Pi._getStoreAttributeKey(e);this.removeAttribute(i,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new n.CKEditorError("writer-incorrect-use",this)}_addOperationForAffectedMarkers(e,t){for(const i of this.model.markers){if(!i.managedUsingOperations)continue;const n=i.getRange();let o=!1;if("move"===e){const e=t;o=e.containsPosition(n.start)||e.start.isEqual(n.start)||e.containsPosition(n.end)||e.end.isEqual(n.end)}else{const e=t,i=e.nodeBefore,s=e.nodeAfter,r=n.start.parent==i&&n.start.isAtEnd,a=n.end.parent==s&&0==n.end.offset,l=n.end.nodeAfter==s,c=n.start.nodeAfter==s;o=r||a||l||c}o&&this.updateMarker(i.name,{range:n})}}}function Po(e,t,i,n){const o=e.model,s=o.document;let r,a,l,c=n.start;for(const e of n.getWalker({shallow:!0}))l=e.item.getAttribute(t),r&&a!=l&&(a!=i&&d(),c=r),r=e.nextPosition,a=l;function d(){const n=new hi(c,r),l=n.root.document?s.version:null,d=new Zn(n,t,a,i,l);e.batch.addOperation(d),o.applyOperation(d)}r instanceof si&&r!=c&&a!=i&&d()}function Io(e,t,i,n){const o=e.model,s=o.document,r=n.getAttribute(t);let a,l;if(r!=i){if(n.root===n){const e=n.document?s.version:null;l=new Gn(n,t,r,i,e)}else{a=new hi(si._createBefore(n),e.createPositionAfter(n));const o=a.root.document?s.version:null;l=new Zn(a,t,r,i,o)}e.batch.addOperation(l),o.applyOperation(l)}}function Vo(e,t,i,n,o){const s=e.model,r=s.document,a=new jn(t,i,n,s.markers,!!o,r.version);e.batch.addOperation(a),s.applyOperation(a)}function Ro(e,t,i,n){let o;if(e.root.document){const i=n.document,s=new si(i.graveyard,[0]);o=new zn(e,t,s,i.version)}else o=new xo(e,t);i.addOperation(o),n.applyOperation(o)}function Oo(e,t){return e===t||e instanceof _o&&t instanceof _o}function Bo(e,t,i={}){if(t.isCollapsed)return;const n=t.getFirstRange();if("$graveyard"==n.root.rootName)return;const o=e.schema;e.change((e=>{if(!i.doNotResetEntireContent&&function(e,t){const i=e.getLimitElement(t);if(!t.containsEntireContent(i))return!1;const n=t.getFirstRange();return n.start.parent!=n.end.parent&&e.checkChild(i,"paragraph")}(o,t))return void function(e,t){const i=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(i)),No(e,e.createPositionAt(i,0),t)}(e,t);const s={};if(!i.doNotAutoparagraph){const e=t.getSelectedElement();e&&Object.assign(s,o.getAttributesWithProperty(e,"copyOnReplace",!0))}const[r,a]=function(e){const t=e.root.document.model,i=e.start;let n=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const i=function(e){const t=e.parent,i=t.root.document.model.schema,n=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of n){if(i.isLimit(e))return null;if(i.isBlock(e))return e}}(n);if(i&&n.isTouching(t.createPositionAt(i,0))){const i=t.createSelection(e);t.modifySelection(i,{direction:"backward"});const o=i.getLastPosition(),s=t.createRange(o,n);t.hasContent(s,{ignoreMarkers:!0})||(n=o)}}return[ho.fromPosition(i,"toPrevious"),ho.fromPosition(n,"toNext")]}(n);r.isTouching(a)||e.remove(e.createRange(r,a)),i.leaveUnmerged||(function(e,t,i){const n=e.model;if(!Do(e.model.schema,t,i))return;const[o,s]=function(e,t){const i=e.getAncestors(),n=t.getAncestors();let o=0;for(;i[o]&&i[o]==n[o];)o++;return[i[o],n[o]]}(t,i);o&&s&&(!n.hasContent(o,{ignoreMarkers:!0})&&n.hasContent(s,{ignoreMarkers:!0})?Lo(e,t,i,o.parent):Mo(e,t,i,o.parent))}(e,r,a),o.removeDisallowedAttributes(r.parent.getChildren(),e)),Fo(e,t,r),!i.doNotAutoparagraph&&function(e,t){const i=e.checkChild(t,"$text"),n=e.checkChild(t,"paragraph");return!i&&n}(o,r)&&No(e,r,t,s),r.detach(),a.detach()}))}function Mo(e,t,i,n){const o=t.parent,s=i.parent;if(o!=n&&s!=n){for(t=e.createPositionAfter(o),(i=e.createPositionBefore(s)).isEqual(t)||e.insert(s,t),e.merge(t);i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}Do(e.model.schema,t,i)&&Mo(e,t,i,n)}}function Lo(e,t,i,n){const o=t.parent,s=i.parent;if(o!=n&&s!=n){for(t=e.createPositionAfter(o),(i=e.createPositionBefore(s)).isEqual(t)||e.insert(o,i);t.parent.isEmpty;){const i=t.parent;t=e.createPositionBefore(i),e.remove(i)}i=e.createPositionBefore(s),function(e,t){const i=t.nodeBefore,n=t.nodeAfter;i.name!=n.name&&e.rename(i,n.name),e.clearAttributes(i),e.setAttributes(Object.fromEntries(n.getAttributes()),i),e.merge(t)}(e,i),Do(e.model.schema,t,i)&&Lo(e,t,i,n)}}function Do(e,t,i){const n=t.parent,o=i.parent;return n!=o&&!e.isLimit(n)&&!e.isLimit(o)&&function(e,t,i){const n=new hi(e,t);for(const e of n.getWalker())if(i.isLimit(e.item))return!1;return!0}(t,i,e)}function No(e,t,i,n={}){const o=e.createElement("paragraph");e.model.schema.setAllowedAttributes(o,n,e),e.insert(o,t),Fo(e,i,e.createPositionAt(o,0))}function Fo(e,t,i){t instanceof Pi?e.setSelection(i):t.setTo(i)}function zo(e,t){const i=[];Array.from(e.getItems({direction:"backward"})).map((e=>t.createRangeOn(e))).filter((t=>(t.start.isAfter(e.start)||t.start.isEqual(e.start))&&(t.end.isBefore(e.end)||t.end.isEqual(e.end)))).forEach((e=>{i.push(e.start.parent),t.remove(e)})),i.forEach((e=>{let i=e;for(;i.parent&&i.isEmpty;){const e=t.createRangeOn(i);i=i.parent,t.remove(e)}}))}class Wo{constructor(e,t,i){this._firstNode=null,this._lastNode=null,this._lastAutoParagraph=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null,this._nodeToSelect=null,this.model=e,this.writer=t,this.position=i,this.canMergeWith=new Set([this.position.parent]),this.schema=e.schema,this._documentFragment=t.createDocumentFragment(),this._documentFragmentPosition=t.createPositionAt(this._documentFragment,0)}handleNodes(e){for(const t of Array.from(e))this._handleNode(t);this._insertPartialFragment(),this._lastAutoParagraph&&this._updateLastNodeFromAutoParagraph(this._lastAutoParagraph),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}_updateLastNodeFromAutoParagraph(e){const t=this.writer.createPositionAfter(this._lastNode),i=this.writer.createPositionAfter(e);if(i.isAfter(t)){if(this._lastNode=e,this.position.parent!=e||!this.position.isAtEnd)throw new n.CKEditorError("insertcontent-invalid-insertion-position",this);this.position=i,this._setAffectedBoundaries(this.position)}}getSelectionRange(){return this._nodeToSelect?hi._createOn(this._nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return 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e=ho.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=e.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=e.toPosition(),e.detach()}_handleObject(e){this._checkAndSplitToAllowedPosition(e)?this._appendToFragment(e):this._tryAutoparagraphing(e)}_handleDisallowedNode(e){e.is("element")?this.handleNodes(e.getChildren()):this._tryAutoparagraphing(e)}_appendToFragment(e){if(!this.schema.checkChild(this.position,e))throw new n.CKEditorError("insertcontent-wrong-position",this,{node:e,position:this.position});this.writer.insert(e,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(e.offsetSize),this.schema.isObject(e)&&!this.schema.checkChild(this.position,"$text")?this._nodeToSelect=e:this._nodeToSelect=null,this._filterAttributesOf.push(e)}_setAffectedBoundaries(e){this._affectedStart||(this._affectedStart=ho.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=ho.fromPosition(e,"toNext"))}_mergeOnLeft(){const e=this._firstNode;if(!(e instanceof ii))return;if(!this._canMergeLeft(e))return;const t=ho._createBefore(e);t.stickiness="toNext";const i=ho.fromPosition(this.position,"toNext");this._affectedStart.isEqual(t)&&(this._affectedStart.detach(),this._affectedStart=ho._createAt(t.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=ho._createAt(t.nodeBefore,"end","toNext")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_mergeOnRight(){const e=this._lastNode;if(!(e instanceof ii))return;if(!this._canMergeRight(e))return;const t=ho._createAfter(e);if(t.stickiness="toNext",!this.position.isEqual(t))throw new n.CKEditorError("insertcontent-invalid-insertion-position",this);this.position=si._createAt(t.nodeBefore,"end");const i=ho.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(t)&&(this._affectedEnd.detach(),this._affectedEnd=ho._createAt(t.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=t.nodeBefore,this._lastNode=t.nodeBefore),this.writer.merge(t),t.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=ho._createAt(t.nodeBefore,0,"toPrevious")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),t.detach()}_canMergeLeft(e){const t=e.previousSibling;return t instanceof ii&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(t,e)}_canMergeRight(e){const t=e.nextSibling;return t instanceof ii&&this.canMergeWith.has(t)&&this.model.schema.checkMerge(e,t)}_tryAutoparagraphing(e){const t=this.writer.createElement("paragraph");this._getAllowedIn(this.position.parent,t)&&this.schema.checkChild(t,e)&&(t._appendChild(e),this._handleNode(t))}_checkAndAutoParagraphToAllowedPosition(e){if(this.schema.checkChild(this.position.parent,e))return!0;if(!this.schema.checkChild(this.position.parent,"paragraph")||!this.schema.checkChild("paragraph",e))return!1;this._insertPartialFragment();const t=this.writer.createElement("paragraph");return this.writer.insert(t,this.position),this._setAffectedBoundaries(this.position),this._lastAutoParagraph=t,this.position=this.writer.createPositionAt(t,0),!0}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(this.position.parent,e);if(!t)return!1;for(t!=this.position.parent&&this._insertPartialFragment();t!=this.position.parent;)if(this.position.isAtStart){const e=this.position.parent;this.position=this.writer.createPositionBefore(e),e.isEmpty&&e.parent===t&&this.writer.remove(e)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const e=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}return!0}_getAllowedIn(e,t){return this.schema.checkChild(e,t)?e:this.schema.isLimit(e)?null:this._getAllowedIn(e.parent,t)}}const Ho=' ,.?!:;"-()';function Uo(e,t){const{isForward:i,walker:o,unit:s,schema:r,treatEmojiAsSingleUnit:a}=e,{type:l,item:c,nextPosition:d}=t;if("text"==l)return"word"===e.unit?function(e,t){let i=e.position.textNode;for(i||(i=t?e.position.nodeAfter:e.position.nodeBefore);i&&i.is("$text");){const n=e.position.offset-i.startOffset;if(Zo(i,n,t))i=t?e.position.nodeAfter:e.position.nodeBefore;else{if($o(i.data,n,t))break;e.next()}}return e.position}(o,i):function(e,t,i){const o=e.position.textNode;if(o){const s=o.data;let r=e.position.offset-o.startOffset;for(;(0,n.isInsideSurrogatePair)(s,r)||"character"==t&&(0,n.isInsideCombinedSymbol)(s,r)||i&&(0,n.isInsideEmojiSequence)(s,r);)e.next(),r=e.position.offset-o.startOffset}return e.position}(o,s,a);if(l==(i?"elementStart":"elementEnd")){if(r.isSelectable(c))return si._createAt(c,i?"after":"before");if(r.checkChild(d,"$text"))return d}else{if(r.isLimit(c))return void o.skip((()=>!0));if(r.checkChild(d,"$text"))return d}}function jo(e,t){const i=e.root,n=si._createAt(i,t?"end":0);return t?new hi(e,n):new hi(n,e)}function $o(e,t,i){const n=t+(i?0:-1);return Ho.includes(e.charAt(n))}function Zo(e,t,i){return t===(i?e.offsetSize:0)}class qo extends((0,n.ObservableMixin)()){constructor(){var e;super(),this.markers=new Ao,this.document=new ko(this),this.schema=new dn,this._pendingChanges=[],this._currentWriter=null,["deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach((e=>this.decorate(e))),this.on("applyOperation",((e,t)=>{t[0]._validate()}),{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$container",{allowIn:["$root","$container"]}),this.schema.register("$block",{allowIn:["$root","$container"],isBlock:!0}),this.schema.register("$blockObject",{allowWhere:"$block",isBlock:!0,isObject:!0}),this.schema.register("$inlineObject",{allowWhere:"$text",allowAttributesOf:"$text",isInline:!0,isObject:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",allowChildren:"$text",isLimit:!0}),this.schema.register("$documentFragment",{allowContentOf:"$root",allowChildren:"$text",isLimit:!0}),this.schema.register("$marker"),this.schema.addChildCheck(((e,t)=>{if("$marker"===t.name)return!0})),(e=this).document.registerPostFixer((t=>function(e,t){const i=t.document.selection,n=t.schema,o=[];let s=!1;for(const e of i.getRanges()){const t=nn(e,n);t&&!t.isEqual(e)?(o.push(t),s=!0):o.push(e)}return s&&e.setSelection(function(e){const t=[...e],i=new Set;let n=1;for(;n!i.has(t)))}(o),{backward:i.isBackward}),!1}(t,e))),this.document.registerPostFixer(Zi),this.on("insertContent",((e,[t,i])=>{e.return=function(e,t,i){return e.change((n=>{const o=i||e.document.selection;o.isCollapsed||e.deleteContent(o,{doNotAutoparagraph:!0});const s=new Wo(e,n,o.anchor),r=[];let a;if(t.is("documentFragment")){if(t.markers.size){const e=[];for(const[i,n]of t.markers){const{start:t,end:o}=n,s=t.isEqual(o);e.push({position:t,name:i,isCollapsed:s},{position:o,name:i,isCollapsed:s})}e.sort((({position:e},{position:t})=>e.isBefore(t)?1:-1));for(const{position:i,name:o,isCollapsed:s}of e){let e=null,a=null;const l=i.parent===t&&i.isAtStart,c=i.parent===t&&i.isAtEnd;l||c?s&&(a=l?"start":"end"):(e=n.createElement("$marker"),n.insert(e,i)),r.push({name:o,element:e,collapsed:a})}}a=t.getChildren()}else a=[t];s.handleNodes(a);let l=s.getSelectionRange();if(t.is("documentFragment")&&r.length){const e=l?Ei.fromRange(l):null,t={};for(let e=r.length-1;e>=0;e--){const{name:i,element:o,collapsed:a}=r[e],l=!t[i];if(l&&(t[i]=[]),o){const e=n.createPositionAt(o,"before");t[i].push(e),n.remove(o)}else{const e=s.getAffectedRange();if(!e){a&&t[i].push(s.position);continue}a?t[i].push(e[a]):t[i].push(l?e.start:e.end)}}for(const[e,[i,o]]of Object.entries(t))i&&o&&i.root===o.root&&n.addMarker(e,{usingOperation:!0,affectsData:!0,range:new hi(i,o)});e&&(l=e.toRange(),e.detach())}l&&(o instanceof Pi?n.setSelection(l):o.setTo(l));const c=s.getAffectedRange()||e.createRange(o.anchor);return s.destroy(),c}))}(this,t,i)})),this.on("insertObject",((e,[t,i,o])=>{e.return=function(e,t,i,o={}){if(!e.schema.isObject(t))throw new n.CKEditorError("insertobject-element-not-an-object",e,{object:t});const s=i||e.document.selection;let r=s;o.findOptimalPosition&&e.schema.isBlock(t)&&(r=e.createSelection(e.schema.findOptimalInsertionRange(s,o.findOptimalPosition)));const a=(0,n.first)(s.getSelectedBlocks()),l={};return a&&Object.assign(l,e.schema.getAttributesWithProperty(a,"copyOnReplace",!0)),e.change((i=>{r.isCollapsed||e.deleteContent(r,{doNotAutoparagraph:!0});let s=t;const a=r.anchor.parent;!e.schema.checkChild(a,t)&&e.schema.checkChild(a,"paragraph")&&e.schema.checkChild("paragraph",t)&&(s=i.createElement("paragraph"),i.insert(t,s)),e.schema.setAllowedAttributes(s,l,i);const c=e.insertContent(s,r);return c.isCollapsed||o.setSelection&&function(e,t,i,o){const s=e.model;if("on"==i)return void e.setSelection(t,"on");if("after"!=i)throw new n.CKEditorError("insertobject-invalid-place-parameter-value",s);let r=t.nextSibling;s.schema.isInline(t)?e.setSelection(t,"after"):(!(r&&s.schema.checkChild(r,"$text"))&&s.schema.checkChild(t.parent,"paragraph")&&(r=e.createElement("paragraph"),s.schema.setAllowedAttributes(r,o,e),s.insertContent(r,e.createPositionAfter(t))),r&&e.setSelection(r,0))}(i,t,o.setSelection,l),c}))}(this,t,i,o)})),this.on("canEditAt",(e=>{const t=!this.document.isReadOnly;e.return=t,t||e.stop()}))}change(e){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new go,callback:e}),this._runPendingChanges()[0]):e(this._currentWriter)}catch(e){n.CKEditorError.rethrowUnexpectedError(e,this)}}enqueueChange(e,t){try{e?"function"==typeof e?(t=e,e=new go):e instanceof go||(e=new go(e)):e=new go,this._pendingChanges.push({batch:e,callback:t}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(e){n.CKEditorError.rethrowUnexpectedError(e,this)}}applyOperation(e){e._execute()}insertContent(e,t,i,...n){const o=Ko(t,i);return 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p(e){return(e=e.trim()).indexOf(" ")>0&&(e=`'${e}'`),e}class b extends n.Sy{static get pluginName(){return"FontFamilyEditing"}constructor(e){super(e),e.config.define(a,{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"],supportAllValues:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:a}),e.model.schema.setAttributeProperties(a,{isFormatting:!0,copyOnEnter:!0});const t=g(e.config.get("fontFamily.options")).filter((e=>e.model)),i=d(a,t);e.config.get("fontFamily.supportAllValues")?(this._prepareAnyValueConverters(),this._prepareCompatibilityConverter()):e.conversion.attributeToElement(i),e.commands.add(a,new m(e))}_prepareAnyValueConverters(){const 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E(e){return e.view&&"string"!=typeof e.view&&!e.view.priority&&(e.view.priority=7),e}const x=["x-small","x-small","small","medium","large","x-large","xx-large","xxx-large"];class T extends n.Sy{static get pluginName(){return"FontSizeEditing"}constructor(e){super(e),e.config.define(r,{options:["tiny","small","default","big","huge"],supportAllValues:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:r}),e.model.schema.setAttributeProperties(r,{isFormatting:!0,copyOnEnter:!0});const t=e.config.get("fontSize.supportAllValues"),i=C(this.editor.config.get("fontSize.options")).filter((e=>e.model)),n=d(r,i);t?(this._prepareAnyValueConverters(n),this._prepareCompatibilityConverter()):e.conversion.attributeToElement(n),e.commands.add(r,new k(e))}_prepareAnyValueConverters(e){const t=this.editor,i=e.model.values.filter((e=>!(0,y.G9)(String(e))&&!(0,y.zz)(String(e))));if(i.length)throw new w.Bb("font-size-invalid-use-of-named-presets",null,{presets:i});t.conversion.for("downcast").attributeToElement({model:r,view:(e,{writer:t})=>{if(e)return t.createAttributeElement("span",{style:"font-size:"+e},{priority:7})}}),t.conversion.for("upcast").elementToAttribute({model:{key:r,value:e=>e.getStyle("font-size")},view:{name:"span",styles:{"font-size":/.*/}}})}_prepareCompatibilityConverter(){this.editor.conversion.for("upcast").elementToAttribute({view:{name:"font",attributes:{size:/^[+-]?\d{1,3}$/}},model:{key:r,value:e=>{const t=e.getAttribute("size"),i="-"===t[0]||"+"===t[0];let n=parseInt(t,10);i&&(n=3+n);const o=x.length-1,s=Math.min(Math.max(n,0),o);return x[s]}}})}}class S extends n.Sy{static get pluginName(){return"FontSizeUI"}init(){const e=this.editor,t=e.t,i=this._getLocalizedOptions(),n=e.commands.get(r),o=t("Font Size");e.ui.componentFactory.add(r,(t=>{const a=(0,s.t9)(t);return(0,s.Pm)(a,(()=>function(e,t){const i=new w.FE;for(const n of e){const 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O extends R{constructor(e){const t=e.locale.t;super(e,{commandName:l,componentName:l,icon:'',dropdownLabel:t("Font Color")})}static get pluginName(){return"FontColorUI"}}class B extends n.Sy{static get requires(){return[V,O]}static get pluginName(){return"FontColor"}}class M extends o{constructor(e){super(e,c)}}class L extends n.Sy{static get pluginName(){return"FontBackgroundColorEditing"}constructor(e){super(e),e.config.define(c,{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),e.data.addStyleProcessorRules(y.QR),e.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{"background-color":/[\s\S]+/}},model:{key:c,value:h("background-color")}}),e.conversion.for("downcast").attributeToElement({model:c,view:u("background-color")}),e.commands.add(c,new M(e)),e.model.schema.extend("$text",{allowAttributes:c}),e.model.schema.setAttributeProperties(c,{isFormatting:!0,copyOnEnter:!0})}}class D extends R{constructor(e){const t=e.locale.t;super(e,{commandName:c,componentName:c,icon:'',dropdownLabel:t("Font Background Color")})}static get pluginName(){return"FontBackgroundColorUI"}}class N extends n.Sy{static get requires(){return[L,D]}static get pluginName(){return"FontBackgroundColor"}}class F extends n.Sy{static get requires(){return[_,P,B,N]}static get pluginName(){return"Font"}}},4457:(e,t,i)=>{"use 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u=(0,d.t9)(t);return(0,d.Pm)(u,a,{ariaLabel:o,role:"menu"}),u.buttonView.set({ariaLabel:o,ariaLabelledBy:void 0,isOn:!1,withText:!0,tooltip:o}),u.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),u.bind("isEnabled").toMany(h,"isEnabled",((...e)=>e.some((e=>e)))),u.buttonView.bind("label").to(l,"value",c,"value",((e,t)=>{const i=e||t&&"paragraph";return"boolean"==typeof i?n:r[i]?r[i]:n})),this.listenTo(u,"execute",(t=>{const{commandName:i,commandValue:n}=t.source;e.execute(i,n?{value:n}:void 0),e.editing.view.focus()})),u}))}}class m extends n.Sy{static get requires(){return[c,u]}static get pluginName(){return"Heading"}}const g={heading1:n.icons.heading1,heading2:n.icons.heading2,heading3:n.icons.heading3,heading4:n.icons.heading4,heading5:n.icons.heading5,heading6:n.icons.heading6};class f extends n.Sy{init(){h(this.editor).filter((e=>"paragraph"!==e.model)).map((e=>this._createButton(e)))}_createButton(e){const t=this.editor;t.ui.componentFactory.add(e.model,(i=>{const 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t=this.editor,i=t.data,n=t.model,o=e.rootName?e.rootName:void 0,s=t.model.document.getRoot(o),r=t.editing.view,a=new p.qD(r.document),l=n.createRangeIn(s),c=a.createDocumentFragment(),d=n.createPositionAfter(s.getChild(0)),h=n.createRange(d,n.createPositionAt(s,"end")),u=new Map;for(const e of n.markers){const t=h.getIntersection(e.getRange());t&&u.set(e.name,t)}return i.mapper.clearBindings(),i.mapper.bindElements(s,c),i.downcastDispatcher.convert(l,u,a,e),a.remove(a.createRangeOn(c.getChild(0))),t.data.processor.toData(c)}_getTitleElement(e){const t=this.editor.model.document.getRoot(e);for(const e of t.getChildren())if(y(e))return e}_fixTitleContent(e){let t=!1;for(const i of this.editor.model.document.getRootNames()){const n=this._getTitleElement(i);if(!n||1===n.maxOffset)continue;const o=Array.from(n.getChildren());o.shift();for(const t of o)e.move(e.createRangeOn(t),n,"after"),e.rename(t,"paragraph");t=!0}return t}_fixTitleElement(e){let t=!1;const i=this.editor.model;for(const n 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t=i.getFirstPosition();if(i.hasAttribute("highlight")){const i=e=>e.item.hasAttribute("highlight")&&e.item.getAttribute("highlight")===this.value,o=t.getLastMatchingPosition(i,{direction:"backward"}),s=t.getLastMatchingPosition(i),r=e.createRange(o,s);n&&this.value!==n?(t.isEqual(s)||e.setAttribute("highlight",n,r),e.setSelectionAttribute("highlight",n)):(t.isEqual(s)||e.removeAttribute("highlight",r),e.removeSelectionAttribute("highlight"))}else n&&e.setSelectionAttribute("highlight",n)}else{const o=t.schema.getValidRanges(i.getRanges(),"highlight");for(const t of o)n?e.setAttribute("highlight",n,t):e.removeAttribute("highlight",t)}}))}}class s extends n.Sy{static get pluginName(){return"HighlightEditing"}constructor(e){super(e),e.config.define("highlight",{options:[{model:"yellowMarker",class:"marker-yellow",title:"Yellow marker",color:"var(--ck-highlight-marker-yellow)",type:"marker"},{model:"greenMarker",class:"marker-green",title:"Green 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i=e.plugins.get("ImageUtils"),n=e.plugins.has("ImageInlineEditing")&&e.plugins.has("ImageBlockEditing");return e=>i.isInlineImageView(e)?n&&("block"==e.getStyle("display")||e.findAncestor(i.isBlockImageView)?"imageBlock":"imageInline")!==t?null:o(e):null;function o(e){const t={name:!0};return e.hasAttribute("src")&&(t.attributes=["src"]),t}}function u(e,t){const i=(0,l.Ps)(t.getSelectedBlocks());return!i||e.isObject(i)||i.isEmpty&&"listItem"!=i.name?"imageBlock":"imageInline"}function m(e){return e&&e.endsWith("px")?parseInt(e):null}function g(e){const t=m(e.getStyle("width")),i=m(e.getStyle("height"));return!(!t||!i)}const f=/^(image|image-inline)$/;class p extends n.Sy{constructor(){super(...arguments),this._domEmitter=new((0,l.Xu)())}static get pluginName(){return"ImageUtils"}isImage(e){return this.isInlineImage(e)||this.isBlockImage(e)}isInlineImageView(e){return!!e&&e.is("element","img")}isBlockImageView(e){return!!e&&e.is("element","figure")&&e.hasClass("image")}insertImage(e={},t=null,i=null,n={}){const o=this.editor,s=o.model,r=s.document.selection,a=b(o,t||r,i);e={...Object.fromEntries(r.getAttributes()),...e};for(const t in e)s.schema.checkAttribute(a,t)||delete e[t];return s.change((i=>{const{setImageSizes:o=!0}=n,r=i.createElement(a,e);return s.insertObject(r,t,null,{setSelection:"on",findOptimalPosition:t||"imageInline"==a?void 0:"auto"}),r.parent?(o&&this.setImageNaturalSizeAttributes(r),r):null}))}setImageNaturalSizeAttributes(e){const t=e.getAttribute("src");t&&(e.getAttribute("width")||e.getAttribute("height")||this.editor.model.change((i=>{const n=new 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e.plugins.has("ImageBlockEditing")?e.plugins.has("ImageInlineEditing")?i||("inline"===o?"imageInline":"auto"!==o?"imageBlock":t.is("selection")?u(n,t):n.checkChild(t,"imageInline")?"imageInline":"imageBlock"):"imageBlock":"imageInline"}const w=new RegExp(String(/^(http(s)?:\/\/)?[\w-]+\.[\w.~:/[\]@!$&'()*+,;=%-]+/.source+/\.(jpg|jpeg|png|gif|ico|webp|JPG|JPEG|PNG|GIF|ICO|WEBP)/.source+/(\?[\w.~:/[\]@!$&'()*+,;=%-]*)?/.source+/(#[\w.~:/[\]@!$&'()*+,;=%-]*)?$/.source));class v extends n.Sy{static get requires(){return[o.TU,p,r.WP,a.HG]}static get pluginName(){return"AutoImage"}constructor(e){super(e),this._timeoutId=null,this._positionToInsert=null}init(){const e=this.editor,t=e.model.document,i=e.plugins.get("ClipboardPipeline");this.listenTo(i,"inputTransformation",(()=>{const e=t.selection.getFirstRange(),i=s.jP.fromPosition(e.start);i.stickiness="toPrevious";const n=s.jP.fromPosition(e.end);n.stickiness="toNext",t.once("change:data",(()=>{this._embedImageBetweenPositions(i,n),i.detach(),n.detach()}),{priority:"high"})})),e.commands.get("undo").on("execute",(()=>{this._timeoutId&&(l.CO.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)}),{priority:"high"})}_embedImageBetweenPositions(e,t){const i=this.editor,n=new s.iE(e,t),o=n.getWalker({ignoreElementEnd:!0}),r=Object.fromEntries(i.model.document.selection.getAttributes()),a=this.editor.plugins.get("ImageUtils");let l="";for(const e of o)e.item.is("$textProxy")&&(l+=e.item.data);l=l.trim(),l.match(w)?(this._positionToInsert=s.jP.fromPosition(e),this._timeoutId=setTimeout((()=>{i.commands.get("insertImage").isEnabled?(i.model.change((e=>{let t;this._timeoutId=null,e.remove(n),n.detach(),"$graveyard"!==this._positionToInsert.root.rootName&&(t=this._positionToInsert.toPosition()),a.insertImage({...r,src:l},t),this._positionToInsert.detach(),this._positionToInsert=null})),i.plugins.get("Delete").requestUndoOnBackspace()):n.detach()}),100)):n.detach()}}class _ extends n.mY{refresh(){const e=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!e,this.isEnabled&&e.hasAttribute("alt")?this.value=e.getAttribute("alt"):this.value=!1}execute(e){const t=this.editor,i=t.plugins.get("ImageUtils"),n=t.model,o=i.getClosestSelectedImageElement(n.document.selection);n.change((t=>{t.setAttribute("alt",e.newValue,o)}))}}class y extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new _(this.editor))}}var k=i(6530);class C extends k.G7{constructor(e){super(e);const t=this.locale.t;this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(t("Save"),n.icons.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(t("Cancel"),n.icons.cancel,"ck-button-cancel","cancel"),this._focusables=new k.vX,this._focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),(0,k.GI)({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)}))}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createButton(e,t,i,n){const o=new k.r5(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createLabeledInputView(){const e=this.locale.t,t=new k.KP(this.locale,k.R);return t.label=e("Text alternative"),t}}function A(e){const t=e.editing.view,i=k.no.defaultPositions,n=e.plugins.get("ImageUtils");return{target:t.domConverter.mapViewToDom(n.getClosestSelectedImageWidget(t.document.selection)),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,i.viewportStickyNorth]}}class E extends n.Sy{static get requires(){return[k.WB]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton()}destroy(){super.destroy(),this._form&&this._form.destroy()}_createButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageTextAlternative",(i=>{const o=e.commands.get("imageTextAlternative"),s=new k.r5(i);return s.set({label:t("Change image text alternative"),icon:n.icons.textAlternative,tooltip:!0}),s.bind("isEnabled").to(o,"isEnabled"),s.bind("isOn").to(o,"value",(e=>!!e)),this.listenTo(s,"execute",(()=>{this._showForm()})),s}))}_createForm(){const e=this.editor,t=e.editing.view.document,i=e.plugins.get("ImageUtils");this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new((0,k.RX)(C))(e.locale),this._form.render(),this.listenTo(this._form,"submit",(()=>{e.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)})),this.listenTo(this._form,"cancel",(()=>{this._hideForm(!0)})),this._form.keystrokes.set("Esc",((e,t)=>{this._hideForm(!0),t()})),this.listenTo(e.ui,"update",(()=>{i.getClosestSelectedImageWidget(t.selection)?this._isVisible&&function(e){const t=e.plugins.get("ContextualBalloon");if(e.plugins.get("ImageUtils").getClosestSelectedImageWidget(e.editing.view.document.selection)){const i=A(e);t.updatePosition(i)}}(e):this._hideForm(!0)})),(0,k.eC)({emitter:this._form,activator:()=>this._isVisible,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;this._form||this._createForm();const e=this.editor,t=e.commands.get("imageTextAlternative"),i=this._form.labeledInput;this._form.disableCssTransitions(),this._isInBalloon||this._balloon.add({view:this._form,position:A(e)}),i.fieldView.value=i.fieldView.element.value=t.value||"",this._form.labeledInput.fieldView.select(),this._form.enableCssTransitions()}_hideForm(e=!1){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),e&&this.editor.editing.view.focus())}get _isVisible(){return!!this._balloon&&this._balloon.visibleView===this._form}get _isInBalloon(){return!!this._balloon&&this._balloon.hasView(this._form)}}class x extends n.Sy{static get requires(){return[y,E]}static get pluginName(){return"ImageTextAlternative"}}function T(e,t){const i=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s);null===i.attributeNewValue?(o.removeAttribute("srcset",r),o.removeAttribute("sizes",r)):i.attributeNewValue&&(o.setAttribute("srcset",i.attributeNewValue,r),o.setAttribute("sizes","100vw",r))};return e=>{e.on(`attribute:srcset:${t}`,i)}}function S(e,t,i){const n=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s);o.setAttribute(i.attributeKey,i.attributeNewValue||"",r)};return e=>{e.on(`attribute:${i}:${t}`,n)}}class P extends s.Qj{observe(e){this.listenTo(e,"load",((e,t)=>{const i=t.target;this.checkShouldIgnoreEventFromTarget(i)||"IMG"==i.tagName&&this._fireEvents(t)}),{useCapture:!0})}stopObserving(e){this.stopListening(e)}_fireEvents(e){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",e))}}class I extends n.mY{constructor(e){super(e);const t=e.config.get("image.insert.type");e.plugins.has("ImageBlockEditing")||"block"===t&&(0,l.KE)("image-block-plugin-required"),e.plugins.has("ImageInlineEditing")||"inline"===t&&(0,l.KE)("image-inline-plugin-required")}refresh(){const e=this.editor.plugins.get("ImageUtils");this.isEnabled=e.isImageAllowed()}execute(e){const t=(0,l.qo)(e.source),i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageUtils"),o=Object.fromEntries(i.getAttributes());t.forEach(((e,t)=>{const s=i.getSelectedElement();if("string"==typeof e&&(e={src:e}),t&&s&&n.isImage(s)){const t=this.editor.model.createPositionAfter(s);n.insertImage({...e,...o},t)}else n.insertImage({...e,...o})}))}}class V extends n.mY{constructor(e){super(e),this.decorate("cleanupImage")}refresh(){const e=this.editor.plugins.get("ImageUtils"),t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=e.isImage(t),this.value=this.isEnabled?t.getAttribute("src"):null}execute(e){const t=this.editor.model.document.selection.getSelectedElement(),i=this.editor.plugins.get("ImageUtils");this.editor.model.change((n=>{n.setAttribute("src",e.source,t),this.cleanupImage(n,t),i.setImageNaturalSizeAttributes(t)}))}cleanupImage(e,t){e.removeAttribute("srcset",t),e.removeAttribute("sizes",t),e.removeAttribute("sources",t),e.removeAttribute("width",t),e.removeAttribute("height",t),e.removeAttribute("alt",t)}}class R extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageEditing"}init(){const e=this.editor,t=e.conversion;e.editing.view.addObserver(P),t.for("upcast").attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:"srcset"});const i=new I(e),n=new V(e);e.commands.add("insertImage",i),e.commands.add("replaceImageSource",n),e.commands.add("imageInsert",i)}}class O extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageSizeAttributes"}afterInit(){this._registerSchema(),this._registerConverters("imageBlock"),this._registerConverters("imageInline")}_registerSchema(){this.editor.plugins.has("ImageBlockEditing")&&this.editor.model.schema.extend("imageBlock",{allowAttributes:["width","height"]}),this.editor.plugins.has("ImageInlineEditing")&&this.editor.model.schema.extend("imageInline",{allowAttributes:["width","height"]})}_registerConverters(e){const t=this.editor,i=t.plugins.get("ImageUtils"),n="imageBlock"===e?"figure":"img";function o(t,n,o,s){t.on(`attribute:${n}:${e}`,((t,n,r)=>{if(!r.consumable.consume(n.item,t.name))return;const a=r.writer,l=r.mapper.toViewElement(n.item),c=i.findViewImgElement(l);if(null!==n.attributeNewValue?a.setAttribute(o,n.attributeNewValue,c):a.removeAttribute(o,c),n.item.hasAttribute("sources"))return;const d=n.item.hasAttribute("resizedWidth");if("imageInline"===e&&!d&&!s)return;const h=n.item.getAttribute("width"),u=n.item.getAttribute("height");h&&u&&a.setStyle("aspect-ratio",`${h}/${u}`,c)}))}t.conversion.for("upcast").attributeToAttribute({view:{name:n,styles:{width:/.+/}},model:{key:"width",value:e=>g(e)?m(e.getStyle("width")):null}}).attributeToAttribute({view:{name:n,key:"width"},model:"width"}).attributeToAttribute({view:{name:n,styles:{height:/.+/}},model:{key:"height",value:e=>g(e)?m(e.getStyle("height")):null}}).attributeToAttribute({view:{name:n,key:"height"},model:"height"}),t.conversion.for("editingDowncast").add((e=>{o(e,"width","width",!0),o(e,"height","height",!0)})),t.conversion.for("dataDowncast").add((e=>{o(e,"width","width",!1),o(e,"height","height",!1)}))}}class B extends n.mY{constructor(e,t){super(e),this._modelElementName=t}refresh(){const e=this.editor.plugins.get("ImageUtils"),t=e.getClosestSelectedImageElement(this.editor.model.document.selection);"imageBlock"===this._modelElementName?this.isEnabled=e.isInlineImage(t):this.isEnabled=e.isBlockImage(t)}execute(e={}){const t=this.editor,i=this.editor.model,n=t.plugins.get("ImageUtils"),o=n.getClosestSelectedImageElement(i.document.selection),s=Object.fromEntries(o.getAttributes());return s.src||s.uploadId?i.change((t=>{const{setImageSizes:r=!0}=e,a=Array.from(i.markers).filter((e=>e.getRange().containsItem(o))),l=n.insertImage(s,i.createSelection(o,"on"),this._modelElementName,{setImageSizes:r});if(!l)return null;const c=t.createRangeOn(l);for(const e of a){const i=e.getRange(),n="$graveyard"!=i.root.rootName?i.getJoined(c,!0):c;t.updateMarker(e,{range:n})}return{oldElement:o,newElement:l}})):null}}class M extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImagePlaceholder"}afterInit(){this._setupSchema(),this._setupConversion(),this._setupLoadListener()}_setupSchema(){const e=this.editor.model.schema;e.isRegistered("imageBlock")&&e.extend("imageBlock",{allowAttributes:["placeholder"]}),e.isRegistered("imageInline")&&e.extend("imageInline",{allowAttributes:["placeholder"]})}_setupConversion(){const e=this.editor,t=e.conversion,i=e.plugins.get("ImageUtils");t.for("editingDowncast").add((e=>{e.on("attribute:placeholder",((e,t,n)=>{if(!n.consumable.test(t.item,e.name))return;if(!t.item.is("element","imageBlock")&&!t.item.is("element","imageInline"))return;n.consumable.consume(t.item,e.name);const o=n.writer,s=n.mapper.toViewElement(t.item),r=i.findViewImgElement(s);t.attributeNewValue?(o.addClass("image_placeholder",r),o.setStyle("background-image",`url(${t.attributeNewValue})`,r),o.setCustomProperty("editingPipeline:doNotReuseOnce",!0,r)):(o.removeClass("image_placeholder",r),o.removeStyle("background-image",r))}))}))}_setupLoadListener(){const e=this.editor,t=e.model,i=e.editing,n=i.view,o=e.plugins.get("ImageUtils");n.addObserver(P),this.listenTo(n.document,"imageLoaded",((e,s)=>{const r=n.domConverter.mapDomToView(s.target);if(!r)return;const a=o.getImageWidgetFromImageView(r);if(!a)return;const l=i.mapper.toModelElement(a);l&&l.hasAttribute("placeholder")&&t.enqueueChange({isUndoable:!1},(e=>{e.removeAttribute("placeholder",l)}))}))}}class L extends n.Sy{static get requires(){return[R,O,p,M,o._l]}static get pluginName(){return"ImageBlockEditing"}init(){const e=this.editor;e.model.schema.register("imageBlock",{inheritAllFrom:"$blockObject",allowAttributes:["alt","src","srcset"]}),this._setupConversion(),e.plugins.has("ImageInlineEditing")&&(e.commands.add("imageTypeBlock",new B(this.editor,"imageBlock")),this._setupClipboardIntegration())}_setupConversion(){const e=this.editor,t=e.t,i=e.conversion,n=e.plugins.get("ImageUtils");i.for("dataDowncast").elementToStructure({model:"imageBlock",view:(e,{writer:t})=>d(t)}),i.for("editingDowncast").elementToStructure({model:"imageBlock",view:(e,{writer:i})=>n.toImageWidget(d(i),i,t("image widget"))}),i.for("downcast").add(S(n,"imageBlock","src")).add(S(n,"imageBlock","alt")).add(T(n,"imageBlock")),i.for("upcast").elementToElement({view:h(e,"imageBlock"),model:(e,{writer:t})=>t.createElement("imageBlock",e.hasAttribute("src")?{src:e.getAttribute("src")}:void 0)}).add(function(e){const t=(t,i,n)=>{if(!n.consumable.test(i.viewItem,{name:!0,classes:"image"}))return;const o=e.findViewImgElement(i.viewItem);if(!o||!n.consumable.test(o,{name:!0}))return;n.consumable.consume(i.viewItem,{name:!0,classes:"image"});const s=n.convertItem(o,i.modelCursor),r=(0,l.Ps)(s.modelRange.getItems());r?(n.convertChildren(i.viewItem,r),n.updateConversionResult(r,i)):n.consumable.revert(i.viewItem,{name:!0,classes:"image"})};return e=>{e.on("element:figure",t)}}(n))}_setupClipboardIntegration(){const e=this.editor,t=e.model,i=e.editing.view,n=e.plugins.get("ImageUtils"),o=e.plugins.get("ClipboardPipeline");this.listenTo(o,"inputTransformation",((o,r)=>{const a=Array.from(r.content.getChildren());let l;if(!a.every(n.isInlineImageView))return;l=r.targetRanges?e.editing.mapper.toModelRange(r.targetRanges[0]):t.document.selection.getFirstRange();const c=t.createSelection(l);if("imageBlock"===u(t.schema,c)){const e=new s.yj(i.document),t=a.map((t=>e.createElement("figure",{class:"image"},t)));r.content=e.createDocumentFragment(t)}})),this.listenTo(o,"contentInsertion",((e,i)=>{"paste"===i.method&&t.change((e=>{const t=e.createRangeIn(i.content);for(const e of t.getItems())e.is("element","imageBlock")&&n.setImageNaturalSizeAttributes(e)}))}))}}class D extends k.G7{constructor(e,t=[]){super(e),this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this._focusables=new k.vX,this.children=this.createCollection(),this._focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});for(const e of t)this.children.add(e),this._focusables.add(e),e instanceof k.p2&&this._focusables.addMany(e.children);if(this._focusables.length>1)for(const e of this._focusables)N(e)&&(e.focusCycler.on("forwardCycle",(e=>{this._focusCycler.focusNext(),e.stop()})),e.focusCycler.on("backwardCycle",(e=>{this._focusCycler.focusPrevious(),e.stop()})));this.setTemplate({tag:"form",attributes:{class:["ck","ck-image-insert-form"],tabindex:-1},children:this.children})}render(){super.render(),(0,k.GI)({view:this});for(const e of this._focusables)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element);const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}}function N(e){return"focusCycler"in e}class F extends n.Sy{static get pluginName(){return"ImageInsertUI"}static get requires(){return[p]}constructor(e){super(e),this._integrations=new Map,e.config.define("image.insert.integrations",["upload","assetManager","url"])}init(){const e=this.editor,t=e.model.document.selection,i=e.plugins.get("ImageUtils");this.set("isImageSelected",!1),this.listenTo(e.model.document,"change",(()=>{this.isImageSelected=i.isImage(t.getSelectedElement())}));const n=e=>this._createToolbarComponent(e);e.ui.componentFactory.add("insertImage",n),e.ui.componentFactory.add("imageInsert",n)}registerIntegration({name:e,observable:t,buttonViewCreator:i,formViewCreator:n,requiresForm:o}){this._integrations.has(e)&&(0,l.KE)("image-insert-integration-exists",{name:e}),this._integrations.set(e,{observable:t,buttonViewCreator:i,formViewCreator:n,requiresForm:!!o})}_createToolbarComponent(e){const t=this.editor,i=e.t,n=this._prepareIntegrations();if(!n.length)return null;let o;const s=n[0];if(1==n.length){if(!s.requiresForm)return s.buttonViewCreator(!0);o=s.buttonViewCreator(!0)}else{const t=s.buttonViewCreator(!1);o=new k.Rm(e,t),o.tooltip=!0,o.bind("label").to(this,"isImageSelected",(e=>i(e?"Replace image":"Insert image")))}const r=this.dropdownView=(0,k.t9)(e,o),a=n.map((({observable:e})=>e));return r.bind("isEnabled").toMany(a,"isEnabled",((...e)=>e.some((e=>e)))),r.once("change:isOpen",(()=>{const e=n.map((({formViewCreator:e})=>e(1==n.length))),i=new D(t.locale,e);r.panelView.children.add(i)})),r}_prepareIntegrations(){const e=this.editor.config.get("image.insert.integrations"),t=[];if(!e.length)return(0,l.KE)("image-insert-integrations-not-specified"),t;for(const i of e)this._integrations.has(i)?t.push(this._integrations.get(i)):["upload","assetManager","url"].includes(i)||(0,l.KE)("image-insert-unknown-integration",{item:i});return t.length||(0,l.KE)("image-insert-integrations-not-registered"),t}}class z extends n.Sy{static get requires(){return[L,c.$L,x,F]}static get pluginName(){return"ImageBlock"}}class W extends n.Sy{static get requires(){return[R,O,p,M,o._l]}static get pluginName(){return"ImageInlineEditing"}init(){const e=this.editor,t=e.model.schema;t.register("imageInline",{inheritAllFrom:"$inlineObject",allowAttributes:["alt","src","srcset"]}),t.addChildCheck(((e,t)=>{if(e.endsWith("caption")&&"imageInline"===t.name)return!1})),this._setupConversion(),e.plugins.has("ImageBlockEditing")&&(e.commands.add("imageTypeInline",new B(this.editor,"imageInline")),this._setupClipboardIntegration())}_setupConversion(){const e=this.editor,t=e.t,i=e.conversion,n=e.plugins.get("ImageUtils");i.for("dataDowncast").elementToElement({model:"imageInline",view:(e,{writer:t})=>t.createEmptyElement("img")}),i.for("editingDowncast").elementToStructure({model:"imageInline",view:(e,{writer:i})=>n.toImageWidget(function(e){return e.createContainerElement("span",{class:"image-inline"},e.createEmptyElement("img"))}(i),i,t("image widget"))}),i.for("downcast").add(S(n,"imageInline","src")).add(S(n,"imageInline","alt")).add(T(n,"imageInline")),i.for("upcast").elementToElement({view:h(e,"imageInline"),model:(e,{writer:t})=>t.createElement("imageInline",e.hasAttribute("src")?{src:e.getAttribute("src")}:void 0)})}_setupClipboardIntegration(){const e=this.editor,t=e.model,i=e.editing.view,n=e.plugins.get("ImageUtils"),o=e.plugins.get("ClipboardPipeline");this.listenTo(o,"inputTransformation",((o,r)=>{const a=Array.from(r.content.getChildren());let l;if(!a.every(n.isBlockImageView))return;l=r.targetRanges?e.editing.mapper.toModelRange(r.targetRanges[0]):t.document.selection.getFirstRange();const c=t.createSelection(l);if("imageInline"===u(t.schema,c)){const e=new s.yj(i.document),t=a.map((t=>1===t.childCount?(Array.from(t.getAttributes()).forEach((i=>e.setAttribute(...i,n.findViewImgElement(t)))),t.getChild(0)):t));r.content=e.createDocumentFragment(t)}})),this.listenTo(o,"contentInsertion",((e,i)=>{"paste"===i.method&&t.change((e=>{const t=e.createRangeIn(i.content);for(const e of t.getItems())e.is("element","imageInline")&&n.setImageNaturalSizeAttributes(e)}))}))}}class H extends n.Sy{static get requires(){return[W,c.$L,x,F]}static get pluginName(){return"ImageInline"}}class U extends n.Sy{static get requires(){return[z,H]}static get pluginName(){return"Image"}}class j extends n.Sy{static get pluginName(){return"ImageCaptionUtils"}static get requires(){return[p]}getCaptionFromImageModelElement(e){for(const t of e.getChildren())if(t&&t.is("element","caption"))return t;return null}getCaptionFromModelSelection(e){const t=this.editor.plugins.get("ImageUtils"),i=e.getFirstPosition().findAncestor("caption");return i&&t.isBlockImage(i.parent)?i:null}matchImageCaptionViewElement(e){const t=this.editor.plugins.get("ImageUtils");return"figcaption"==e.name&&t.isBlockImageView(e.parent)?{name:!0}:null}}class $ extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageCaptionUtils"),i=e.plugins.get("ImageUtils");if(!e.plugins.has(L))return this.isEnabled=!1,void(this.value=!1);const n=e.model.document.selection,o=n.getSelectedElement();if(!o){const e=t.getCaptionFromModelSelection(n);return this.isEnabled=!!e,void(this.value=!!e)}this.isEnabled=i.isImage(o),this.isEnabled?this.value=!!t.getCaptionFromImageModelElement(o):this.value=!1}execute(e={}){const{focusCaptionOnShow:t}=e;this.editor.model.change((e=>{this.value?this._hideImageCaption(e):this._showImageCaption(e,t)}))}_showImageCaption(e,t){const i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageCaptionEditing"),o=this.editor.plugins.get("ImageUtils");let s=i.getSelectedElement();const r=n._getSavedCaption(s);o.isInlineImage(s)&&(this.editor.execute("imageTypeBlock"),s=i.getSelectedElement());const a=r||e.createElement("caption");e.append(a,s),t&&e.setSelection(a,"in")}_hideImageCaption(e){const t=this.editor,i=t.model.document.selection,n=t.plugins.get("ImageCaptionEditing"),o=t.plugins.get("ImageCaptionUtils");let s,r=i.getSelectedElement();r?s=o.getCaptionFromImageModelElement(r):(s=o.getCaptionFromModelSelection(i),r=s.parent),n._saveCaption(r,s),e.setSelection(r,"on"),e.remove(s)}}class Z extends n.Sy{static get requires(){return[p,j]}static get pluginName(){return"ImageCaptionEditing"}constructor(e){super(e),this._savedCaptionsMap=new WeakMap}init(){const e=this.editor,t=e.model.schema;t.isRegistered("caption")?t.extend("caption",{allowIn:"imageBlock"}):t.register("caption",{allowIn:"imageBlock",allowContentOf:"$block",isLimit:!0}),e.commands.add("toggleImageCaption",new $(this.editor)),this._setupConversion(),this._setupImageTypeCommandsIntegration(),this._registerCaptionReconversion()}_setupConversion(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageUtils"),n=e.plugins.get("ImageCaptionUtils"),o=e.t;e.conversion.for("upcast").elementToElement({view:e=>n.matchImageCaptionViewElement(e),model:"caption"}),e.conversion.for("dataDowncast").elementToElement({model:"caption",view:(e,{writer:t})=>i.isBlockImage(e.parent)?t.createContainerElement("figcaption"):null}),e.conversion.for("editingDowncast").elementToElement({model:"caption",view:(e,{writer:n})=>{if(!i.isBlockImage(e.parent))return null;const r=n.createEditableElement("figcaption");n.setCustomProperty("imageCaption",!0,r),r.placeholder=o("Enter image caption"),(0,s.ID)({view:t,element:r,keepOnFocus:!0});const a=e.parent.getAttribute("alt"),l=a?o("Caption for image: %0",[a]):o("Caption for the image");return(0,c.sC)(r,n,{label:l})}})}_setupImageTypeCommandsIntegration(){const e=this.editor,t=e.plugins.get("ImageUtils"),i=e.plugins.get("ImageCaptionUtils"),n=e.commands.get("imageTypeInline"),o=e.commands.get("imageTypeBlock"),s=e=>{if(!e.return)return;const{oldElement:n,newElement:o}=e.return;if(!n)return;if(t.isBlockImage(n)){const e=i.getCaptionFromImageModelElement(n);if(e)return void this._saveCaption(o,e)}const s=this._getSavedCaption(n);s&&this._saveCaption(o,s)};n&&this.listenTo(n,"execute",s,{priority:"low"}),o&&this.listenTo(o,"execute",s,{priority:"low"})}_getSavedCaption(e){const t=this._savedCaptionsMap.get(e);return t?s.W_.fromJSON(t):null}_saveCaption(e,t){this._savedCaptionsMap.set(e,t.toJSON())}_registerCaptionReconversion(){const e=this.editor,t=e.model,i=e.plugins.get("ImageUtils"),n=e.plugins.get("ImageCaptionUtils");t.document.on("change:data",(()=>{const o=t.document.differ.getChanges();for(const t of o){if("alt"!==t.attributeKey)continue;const o=t.range.start.nodeAfter;if(i.isBlockImage(o)){const t=n.getCaptionFromImageModelElement(o);if(!t)return;e.editing.reconvertItem(t)}}}))}}class q extends n.Sy{static get requires(){return[j]}static get pluginName(){return"ImageCaptionUI"}init(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageCaptionUtils"),o=e.t;e.ui.componentFactory.add("toggleImageCaption",(s=>{const r=e.commands.get("toggleImageCaption"),a=new k.r5(s);return a.set({icon:n.icons.caption,tooltip:!0,isToggleable:!0}),a.bind("isOn","isEnabled").to(r,"value","isEnabled"),a.bind("label").to(r,"value",(e=>o(e?"Toggle caption off":"Toggle caption on"))),this.listenTo(a,"execute",(()=>{e.execute("toggleImageCaption",{focusCaptionOnShow:!0});const n=i.getCaptionFromModelSelection(e.model.document.selection);if(n){const i=e.editing.mapper.toViewElement(n);t.scrollToTheSelection(),t.change((e=>{e.addClass("image__caption_highlighted",i)}))}e.editing.view.focus()})),a}))}}class K extends n.Sy{static get requires(){return[Z,q]}static get pluginName(){return"ImageCaption"}}var G=i(4704);function J(e){const t=e.map((e=>e.replace("+","\\+")));return new RegExp(`^image\\/(${t.join("|")})$`)}function Y(e,t){return e.type?e.type:t.match(/data:(image\/\w+);base64/)?t.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}class Q extends n.Sy{static get pluginName(){return"ImageUploadUI"}init(){const e=this.editor,t=e.t,i=i=>{const o=new G.FileDialogButtonView(i),s=e.commands.get("uploadImage"),r=e.config.get("image.upload.types"),a=J(r);return o.set({acceptedType:r.map((e=>`image/${e}`)).join(","),allowMultipleFiles:!0,label:t("Upload image from computer"),icon:n.icons.imageUpload,tooltip:!0}),o.bind("isEnabled").to(s),o.on("done",((t,i)=>{const n=Array.from(i).filter((e=>a.test(e.type)));n.length&&(e.execute("uploadImage",{file:n}),e.editing.view.focus())})),o};if(e.ui.componentFactory.add("uploadImage",i),e.ui.componentFactory.add("imageUpload",i),e.plugins.has("ImageInsertUI")){const i=e.plugins.get("ImageInsertUI"),n=e.commands.get("uploadImage");i.registerIntegration({name:"upload",observable:n,buttonViewCreator:()=>{const n=e.ui.componentFactory.create("uploadImage");return n.bind("label").to(i,"isImageSelected",(e=>t(e?"Replace image from computer":"Upload image from computer"))),n},formViewCreator:()=>{const n=e.ui.componentFactory.create("uploadImage");return n.withText=!0,n.bind("label").to(i,"isImageSelected",(e=>t(e?"Replace from computer":"Upload from computer"))),n.on("execute",(()=>{i.dropdownView.isOpen=!1})),n}})}}}class X extends n.Sy{static get pluginName(){return"ImageUploadProgress"}constructor(e){super(e),this.uploadStatusChange=(e,t,i)=>{const n=this.editor,o=t.item,s=o.getAttribute("uploadId");if(!i.consumable.consume(t.item,e.name))return;const r=n.plugins.get("ImageUtils"),a=n.plugins.get(G.FileRepository),l=s?t.attributeNewValue:null,c=this.placeholder,d=n.editing.mapper.toViewElement(o),h=i.writer;if("reading"==l)return ee(d,h),void te(r,c,d,h);if("uploading"==l){const e=a.loaders.get(s);return ee(d,h),void(e?(ie(d,h),function(e,t,i,n){const o=function(e){const t=e.createUIElement("div",{class:"ck-progress-bar"});return e.setCustomProperty("progressBar",!0,t),t}(t);t.insert(t.createPositionAt(e,"end"),o),i.on("change:uploadedPercent",((e,t,i)=>{n.change((e=>{e.setStyle("width",i+"%",o)}))}))}(d,h,e,n.editing.view),function(e,t,i,n){if(n.data){const o=e.findViewImgElement(t);i.setAttribute("src",n.data,o)}}(r,d,h,e)):te(r,c,d,h))}"complete"==l&&a.loaders.get(s)&&function(e,t,i){const n=t.createUIElement("div",{class:"ck-image-upload-complete-icon"});t.insert(t.createPositionAt(e,"end"),n),setTimeout((()=>{i.change((e=>e.remove(e.createRangeOn(n))))}),3e3)}(d,h,n.editing.view),function(e,t){oe(e,t,"progressBar")}(d,h),ie(d,h),function(e,t){t.removeClass("ck-appear",e)}(d,h)},this.placeholder="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="}init(){const e=this.editor;e.plugins.has("ImageBlockEditing")&&e.editing.downcastDispatcher.on("attribute:uploadStatus:imageBlock",this.uploadStatusChange),e.plugins.has("ImageInlineEditing")&&e.editing.downcastDispatcher.on("attribute:uploadStatus:imageInline",this.uploadStatusChange)}}function ee(e,t){e.hasClass("ck-appear")||t.addClass("ck-appear",e)}function te(e,t,i,n){i.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",i);const o=e.findViewImgElement(i);o.getAttribute("src")!==t&&n.setAttribute("src",t,o),ne(i,"placeholder")||n.insert(n.createPositionAfter(o),function(e){const t=e.createUIElement("div",{class:"ck-upload-placeholder-loader"});return e.setCustomProperty("placeholder",!0,t),t}(n))}function ie(e,t){e.hasClass("ck-image-upload-placeholder")&&t.removeClass("ck-image-upload-placeholder",e),oe(e,t,"placeholder")}function ne(e,t){for(const i of e.getChildren())if(i.getCustomProperty(t))return i}function oe(e,t,i){const n=ne(e,i);n&&t.remove(t.createRangeOn(n))}class se extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageUtils"),i=e.model.document.selection.getSelectedElement();this.isEnabled=t.isImageAllowed()||t.isImage(i)}execute(e){const t=(0,l.qo)(e.file),i=this.editor.model.document.selection,n=this.editor.plugins.get("ImageUtils"),o=Object.fromEntries(i.getAttributes());t.forEach(((e,t)=>{const s=i.getSelectedElement();if(t&&s&&n.isImage(s)){const t=this.editor.model.createPositionAfter(s);this._uploadImage(e,o,t)}else this._uploadImage(e,o)}))}_uploadImage(e,t,i){const n=this.editor,o=n.plugins.get(G.FileRepository).createLoader(e),s=n.plugins.get("ImageUtils");o&&s.insertImage({...t,uploadId:o.id},i)}}class re extends n.Sy{static get requires(){return[G.FileRepository,k.P_,o._l,p]}static get pluginName(){return"ImageUploadEditing"}constructor(e){super(e),e.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}}),this._uploadImageElements=new Map}init(){const e=this.editor,t=e.model.document,i=e.conversion,n=e.plugins.get(G.FileRepository),o=e.plugins.get("ImageUtils"),r=e.plugins.get("ClipboardPipeline"),a=J(e.config.get("image.upload.types")),c=new se(e);e.commands.add("uploadImage",c),e.commands.add("imageUpload",c),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(e.editing.view.document,"clipboardInput",((t,i)=>{if(n=i.dataTransfer,Array.from(n.types).includes("text/html")&&""!==n.getData("text/html"))return;var n;const o=Array.from(i.dataTransfer.files).filter((e=>!!e&&a.test(e.type)));o.length&&(t.stop(),e.model.change((t=>{i.targetRanges&&t.setSelection(i.targetRanges.map((t=>e.editing.mapper.toModelRange(t)))),e.execute("uploadImage",{file:o})})))})),this.listenTo(r,"inputTransformation",((t,i)=>{const r=Array.from(e.editing.view.createRangeIn(i.content)).map((e=>e.item)).filter((e=>function(e,t){return!(!e.isInlineImageView(t)||!t.getAttribute("src")||!t.getAttribute("src").match(/^data:image\/\w+;base64,/g)&&!t.getAttribute("src").match(/^blob:/g))}(o,e)&&!e.getAttribute("uploadProcessed"))).map((e=>{return{promise:(t=e,new Promise(((e,i)=>{const n=t.getAttribute("src");fetch(n).then((e=>e.blob())).then((t=>{const i=Y(t,n),o=i.replace("image/",""),s=new File([t],`image.${o}`,{type:i});e(s)})).catch((t=>t&&"TypeError"===t.name?function(e){return function(e){return new Promise(((t,i)=>{const n=l.CO.document.createElement("img");n.addEventListener("load",(()=>{const e=l.CO.document.createElement("canvas");e.width=n.width,e.height=n.height,e.getContext("2d").drawImage(n,0,0),e.toBlob((e=>e?t(e):i()))})),n.addEventListener("error",(()=>i())),n.src=e}))}(e).then((t=>{const i=Y(t,e),n=i.replace("image/","");return new File([t],`image.${n}`,{type:i})}))}(n).then(e).catch(i):i(t)))}))),imageElement:e};var t}));if(!r.length)return;const a=new s.yj(e.editing.view.document);for(const e of r){a.setAttribute("uploadProcessed",!0,e.imageElement);const t=n.createLoader(e.promise);t&&(a.setAttribute("src","",e.imageElement),a.setAttribute("uploadId",t.id,e.imageElement))}})),e.editing.view.document.on("dragover",((e,t)=>{t.preventDefault()})),t.on("change",(()=>{const i=t.differ.getChanges({includeChangesInGraveyard:!0}).reverse(),o=new Set;for(const t of i)if("insert"==t.type&&"$text"!=t.name){const i=t.position.nodeAfter,s="$graveyard"==t.position.root.rootName;for(const t of ae(e,i)){const e=t.getAttribute("uploadId");if(!e)continue;const i=n.loaders.get(e);i&&(s?o.has(e)||i.abort():(o.add(e),this._uploadImageElements.set(e,t),"idle"==i.status&&this._readAndUpload(i)))}}})),this.on("uploadComplete",((e,{imageElement:t,data:i})=>{const n=i.urls?i.urls:i;this.editor.model.change((e=>{e.setAttribute("src",n.default,t),this._parseAndSetSrcsetAttributeOnImage(n,t,e),o.setImageNaturalSizeAttributes(t)}))}),{priority:"low"})}afterInit(){const e=this.editor.model.schema;this.editor.plugins.has("ImageBlockEditing")&&e.extend("imageBlock",{allowAttributes:["uploadId","uploadStatus"]}),this.editor.plugins.has("ImageInlineEditing")&&e.extend("imageInline",{allowAttributes:["uploadId","uploadStatus"]})}_readAndUpload(e){const t=this.editor,i=t.model,n=t.locale.t,o=t.plugins.get(G.FileRepository),s=t.plugins.get(k.P_),r=t.plugins.get("ImageUtils"),a=this._uploadImageElements;return i.enqueueChange({isUndoable:!1},(t=>{t.setAttribute("uploadStatus","reading",a.get(e.id))})),e.read().then((()=>{const n=e.upload(),o=a.get(e.id);if(l.OB.isSafari){const e=t.editing.mapper.toViewElement(o),i=r.findViewImgElement(e);t.editing.view.once("render",(()=>{if(!i.parent)return;const e=t.editing.view.domConverter.mapViewToDom(i.parent);if(!e)return;const n=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=n}))}return i.enqueueChange({isUndoable:!1},(e=>{e.setAttribute("uploadStatus","uploading",o)})),n})).then((t=>{i.enqueueChange({isUndoable:!1},(i=>{const n=a.get(e.id);i.setAttribute("uploadStatus","complete",n),this.fire("uploadComplete",{data:t,imageElement:n})})),c()})).catch((t=>{if("error"!==e.status&&"aborted"!==e.status)throw t;"error"==e.status&&t&&s.showWarning(t,{title:n("Upload failed"),namespace:"upload"}),i.enqueueChange({isUndoable:!1},(t=>{t.remove(a.get(e.id))})),c()}));function c(){i.enqueueChange({isUndoable:!1},(t=>{const i=a.get(e.id);t.removeAttribute("uploadId",i),t.removeAttribute("uploadStatus",i),a.delete(e.id)})),o.destroyLoader(e)}}_parseAndSetSrcsetAttributeOnImage(e,t,i){let n=0;const o=Object.keys(e).filter((e=>{const t=parseInt(e,10);if(!isNaN(t))return n=Math.max(n,t),!0})).map((t=>`${e[t]} ${t}w`)).join(", ");if(""!=o){const e={srcset:o};t.hasAttribute("width")||t.hasAttribute("height")||(e.width=n),i.setAttributes(e,t)}}}function ae(e,t){const i=e.plugins.get("ImageUtils");return Array.from(e.model.createRangeOn(t)).filter((e=>i.isImage(e.item))).map((e=>e.item))}class le extends n.Sy{static get pluginName(){return"ImageUpload"}static get requires(){return[re,Q,X]}}class ce extends k.G7{constructor(e){super(e),this.set("imageURLInputValue",""),this.set("isImageSelected",!1),this.set("isEnabled",!0),this.focusTracker=new l.Rh,this.keystrokes=new l.VD,this._focusables=new k.vX,this.focusCycler=new k.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.urlInputView=this._createUrlInputView(),this.insertButtonView=this._createInsertButton(),this.cancelButtonView=this._createCancelButton(),this._focusables.addMany([this.urlInputView,this.insertButtonView,this.cancelButtonView]),this.setTemplate({tag:"div",attributes:{class:["ck","ck-image-insert-url"]},children:[this.urlInputView,{tag:"div",attributes:{class:["ck","ck-image-insert-url__action-row"]},children:[this.insertButtonView,this.cancelButtonView]}]})}render(){super.render();for(const e of this._focusables)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createUrlInputView(){const e=this.locale,t=e.t,i=new k.KP(e,k.R);return i.bind("label").to(this,"isImageSelected",(e=>t(e?"Update image URL":"Insert image via URL"))),i.bind("isEnabled").to(this),i.fieldView.placeholder="https://example.com/image.png",i.fieldView.bind("value").to(this,"imageURLInputValue",(e=>e||"")),i.fieldView.on("input",(()=>{this.imageURLInputValue=i.fieldView.element.value.trim()})),i}_createInsertButton(){const e=this.locale,t=e.t,i=new k.r5(e);return i.set({icon:n.icons.check,class:"ck-button-save",type:"submit",withText:!0}),i.bind("label").to(this,"isImageSelected",(e=>t(e?"Update":"Insert"))),i.bind("isEnabled").to(this,"imageURLInputValue",this,"isEnabled",((...e)=>e.every((e=>e)))),i.delegate("execute").to(this,"submit"),i}_createCancelButton(){const e=this.locale,t=e.t,i=new k.r5(e);return i.set({label:t("Cancel"),icon:n.icons.cancel,class:"ck-button-cancel",withText:!0}),i.bind("isEnabled").to(this),i.delegate("execute").to(this,"cancel"),i}focus(e){-1===e?this.focusCycler.focusLast():this.focusCycler.focusFirst()}}class de extends n.Sy{static get pluginName(){return"ImageInsertViaUrlUI"}static get requires(){return[F]}init(){this._imageInsertUI=this.editor.plugins.get("ImageInsertUI");const e=this.editor.commands.get("insertImage");this._imageInsertUI.registerIntegration({name:"url",observable:e,requiresForm:!0,buttonViewCreator:e=>this._createInsertUrlButton(e),formViewCreator:e=>this._createInsertUrlView(e)})}_createInsertUrlView(e){const t=this.editor,i=t.locale,n=i.t,o=t.commands.get("replaceImageSource"),s=t.commands.get("insertImage"),r=new ce(i),a=e?null:new k.p2(i,[r]);return r.bind("isImageSelected").to(this._imageInsertUI),r.bind("isEnabled").toMany([s,o],"isEnabled",((...e)=>e.some((e=>e)))),r.imageURLInputValue=o.value||"",this._imageInsertUI.dropdownView.on("change:isOpen",(()=>{this._imageInsertUI.dropdownView.isOpen&&(r.imageURLInputValue=o.value||"",a&&(a.isCollapsed=!0))}),{priority:"low"}),r.on("submit",(()=>{o.isEnabled?t.execute("replaceImageSource",{source:r.imageURLInputValue}):t.execute("insertImage",{source:r.imageURLInputValue}),this._closePanel()})),r.on("cancel",(()=>this._closePanel())),a?(a.set({isCollapsed:!0}),a.bind("label").to(this._imageInsertUI,"isImageSelected",(e=>n(e?"Update image URL":"Insert image via URL"))),a):r}_createInsertUrlButton(e){const t=e?k.J0:k.r5,i=this.editor,o=new t(i.locale),s=i.locale.t;return o.set({icon:n.icons.imageUrl,tooltip:!0}),o.bind("label").to(this._imageInsertUI,"isImageSelected",(e=>s(e?"Update image URL":"Insert image via URL"))),o}_closePanel(){this.editor.editing.view.focus(),this._imageInsertUI.dropdownView.isOpen=!1}}class he extends n.Sy{static get pluginName(){return"ImageInsertViaUrl"}static get requires(){return[de,F]}}class ue extends n.Sy{static get pluginName(){return"ImageInsert"}static get requires(){return[le,he,F]}}class me extends n.mY{refresh(){const e=this.editor,t=e.plugins.get("ImageUtils").getClosestSelectedImageElement(e.model.document.selection);this.isEnabled=!!t,t&&t.hasAttribute("resizedWidth")?this.value={width:t.getAttribute("resizedWidth"),height:null}:this.value=null}execute(e){const t=this.editor,i=t.model,n=t.plugins.get("ImageUtils"),o=n.getClosestSelectedImageElement(i.document.selection);this.value={width:e.width,height:null},o&&i.change((t=>{t.setAttribute("resizedWidth",e.width,o),t.removeAttribute("resizedHeight",o),n.setImageNaturalSizeAttributes(o)}))}}class ge extends n.Sy{static get requires(){return[p]}static get pluginName(){return"ImageResizeEditing"}constructor(e){super(e),e.config.define("image",{resizeUnit:"%",resizeOptions:[{name:"resizeImage:original",value:null,icon:"original"},{name:"resizeImage:25",value:"25",icon:"small"},{name:"resizeImage:50",value:"50",icon:"medium"},{name:"resizeImage:75",value:"75",icon:"large"}]})}init(){const e=this.editor,t=new me(e);this._registerSchema(),this._registerConverters("imageBlock"),this._registerConverters("imageInline"),e.commands.add("resizeImage",t),e.commands.add("imageResize",t)}_registerSchema(){this.editor.plugins.has("ImageBlockEditing")&&this.editor.model.schema.extend("imageBlock",{allowAttributes:["resizedWidth","resizedHeight"]}),this.editor.plugins.has("ImageInlineEditing")&&this.editor.model.schema.extend("imageInline",{allowAttributes:["resizedWidth","resizedHeight"]})}_registerConverters(e){const t=this.editor,i=t.plugins.get("ImageUtils");t.conversion.for("downcast").add((t=>t.on(`attribute:resizedWidth:${e}`,((e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.writer,o=i.mapper.toViewElement(t.item);null!==t.attributeNewValue?(n.setStyle("width",t.attributeNewValue,o),n.addClass("image_resized",o)):(n.removeStyle("width",o),n.removeClass("image_resized",o))})))),t.conversion.for("dataDowncast").attributeToAttribute({model:{name:e,key:"resizedHeight"},view:e=>({key:"style",value:{height:e}})}),t.conversion.for("editingDowncast").add((t=>t.on(`attribute:resizedHeight:${e}`,((t,n,o)=>{if(!o.consumable.consume(n.item,t.name))return;const s=o.writer,r=o.mapper.toViewElement(n.item),a="imageInline"===e?i.findViewImgElement(r):r;null!==n.attributeNewValue?s.setStyle("height",n.attributeNewValue,a):s.removeStyle("height",a)})))),t.conversion.for("upcast").attributeToAttribute({view:{name:"imageBlock"===e?"figure":"img",styles:{width:/.+/}},model:{key:"resizedWidth",value:e=>g(e)?null:e.getStyle("width")}}),t.conversion.for("upcast").attributeToAttribute({view:{name:"imageBlock"===e?"figure":"img",styles:{height:/.+/}},model:{key:"resizedHeight",value:e=>g(e)?null:e.getStyle("height")}})}}const fe={small:n.icons.objectSizeSmall,medium:n.icons.objectSizeMedium,large:n.icons.objectSizeLarge,original:n.icons.objectSizeFull};class pe extends n.Sy{static get requires(){return[ge]}static get pluginName(){return"ImageResizeButtons"}constructor(e){super(e),this._resizeUnit=e.config.get("image.resizeUnit")}init(){const e=this.editor,t=e.config.get("image.resizeOptions"),i=e.commands.get("resizeImage");this.bind("isEnabled").to(i);for(const e of t)this._registerImageResizeButton(e);this._registerImageResizeDropdown(t)}_registerImageResizeButton(e){const t=this.editor,{name:i,value:n,icon:o}=e,s=n?n+this._resizeUnit:null;t.ui.componentFactory.add(i,(i=>{const n=new k.r5(i),r=t.commands.get("resizeImage"),a=this._getOptionLabelValue(e,!0);if(!fe[o])throw new l.Bb("imageresizebuttons-missing-icon",t,e);return n.set({label:a,icon:fe[o],tooltip:a,isToggleable:!0}),n.bind("isEnabled").to(this),n.bind("isOn").to(r,"value",be(s)),this.listenTo(n,"execute",(()=>{t.execute("resizeImage",{width:s})})),n}))}_registerImageResizeDropdown(e){const t=this.editor,i=t.t,n=e.find((e=>!e.value)),o=o=>{const s=t.commands.get("resizeImage"),r=(0,k.t9)(o,k.J0),a=r.buttonView,l=i("Resize image");return a.set({tooltip:l,commandValue:n.value,icon:fe.medium,isToggleable:!0,label:this._getOptionLabelValue(n),withText:!0,class:"ck-resize-image-button",ariaLabel:l,ariaLabelledBy:void 0}),a.bind("label").to(s,"value",(e=>e&&e.width?e.width:this._getOptionLabelValue(n))),r.bind("isEnabled").to(this),(0,k.Pm)(r,(()=>this._getResizeDropdownListItemDefinitions(e,s)),{ariaLabel:i("Image resize list"),role:"menu"}),this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{width:e.source.commandValue}),t.editing.view.focus()})),r};t.ui.componentFactory.add("resizeImage",o),t.ui.componentFactory.add("imageResize",o)}_getOptionLabelValue(e,t=!1){const i=this.editor.t;return e.label?e.label:t?e.value?i("Resize image to %0",e.value+this._resizeUnit):i("Resize image to the original size"):e.value?e.value+this._resizeUnit:i("Original")}_getResizeDropdownListItemDefinitions(e,t){const i=new l.FE;return e.map((e=>{const n=e.value?e.value+this._resizeUnit:null,o={type:"button",model:new k.jz({commandName:"resizeImage",commandValue:n,label:this._getOptionLabelValue(e),role:"menuitemradio",withText:!0,icon:null})};o.model.bind("isOn").to(t,"value",be(n)),i.add(o)})),i}}function be(e){return t=>null===e&&t===e||null!==t&&t.width===e}const we="image_resized";class ve extends n.Sy{static get requires(){return[c.WR,p]}static get pluginName(){return"ImageResizeHandles"}init(){const e=this.editor.commands.get("resizeImage");this.bind("isEnabled").to(e),this._setupResizerCreator()}_setupResizerCreator(){const e=this.editor,t=e.editing.view,i=e.plugins.get("ImageUtils");t.addObserver(P),this.listenTo(t.document,"imageLoaded",((n,o)=>{if(!o.target.matches("figure.image.ck-widget > img,figure.image.ck-widget > picture > img,figure.image.ck-widget > a > img,figure.image.ck-widget > a > picture > img,span.image-inline.ck-widget > img,span.image-inline.ck-widget > picture > img"))return;const s=e.editing.view.domConverter,r=s.domToView(o.target),a=i.getImageWidgetFromImageView(r);let l=this.editor.plugins.get(c.WR).getResizerByViewElement(a);if(l)return void l.redraw();const d=e.editing.mapper,h=d.toModelElement(a);l=e.plugins.get(c.WR).attachTo({unit:e.config.get("image.resizeUnit"),modelElement:h,viewElement:a,editor:e,getHandleHost:e=>e.querySelector("img"),getResizeHost:()=>s.mapViewToDom(d.toViewElement(h.parent)),isCentered(){const e=h.getAttribute("imageStyle");return!e||"block"==e||"alignCenter"==e},onCommit(i){t.change((e=>{e.removeClass(we,a)})),e.execute("resizeImage",{width:i})}}),l.on("updateSize",(()=>{a.hasClass(we)||t.change((e=>{e.addClass(we,a)}));const e="imageInline"===h.name?r:a;e.getStyle("height")&&t.change((t=>{t.removeStyle("height",e)}))})),l.bind("isEnabled").to(this)}))}}class _e extends n.Sy{static get requires(){return[ge,ve,pe]}static get pluginName(){return"ImageResize"}}class ye extends n.mY{constructor(e,t){super(e),this._defaultStyles={imageBlock:!1,imageInline:!1},this._styles=new Map(t.map((e=>{if(e.isDefault)for(const t of e.modelElements)this._defaultStyles[t]=e.name;return[e.name,e]})))}refresh(){const e=this.editor.plugins.get("ImageUtils").getClosestSelectedImageElement(this.editor.model.document.selection);this.isEnabled=!!e,this.isEnabled?e.hasAttribute("imageStyle")?this.value=e.getAttribute("imageStyle"):this.value=this._defaultStyles[e.name]:this.value=!1}execute(e={}){const t=this.editor,i=t.model,n=t.plugins.get("ImageUtils");i.change((t=>{const o=e.value,{setImageSizes:s=!0}=e;let r=n.getClosestSelectedImageElement(i.document.selection);o&&this.shouldConvertImageType(o,r)&&(this.editor.execute(n.isBlockImage(r)?"imageTypeInline":"imageTypeBlock",{setImageSizes:s}),r=n.getClosestSelectedImageElement(i.document.selection)),!o||this._styles.get(o).isDefault?t.removeAttribute("imageStyle",r):t.setAttribute("imageStyle",o,r),s&&n.setImageNaturalSizeAttributes(r)}))}shouldConvertImageType(e,t){return!this._styles.get(e).modelElements.includes(t.name)}}const{objectFullWidth:ke,objectInline:Ce,objectLeft:Ae,objectRight:Ee,objectCenter:xe,objectBlockLeft:Te,objectBlockRight:Se}=n.icons,Pe={get inline(){return{name:"inline",title:"In line",icon:Ce,modelElements:["imageInline"],isDefault:!0}},get alignLeft(){return{name:"alignLeft",title:"Left aligned image",icon:Ae,modelElements:["imageBlock","imageInline"],className:"image-style-align-left"}},get alignBlockLeft(){return{name:"alignBlockLeft",title:"Left aligned image",icon:Te,modelElements:["imageBlock"],className:"image-style-block-align-left"}},get alignCenter(){return{name:"alignCenter",title:"Centered image",icon:xe,modelElements:["imageBlock"],className:"image-style-align-center"}},get alignRight(){return{name:"alignRight",title:"Right aligned image",icon:Ee,modelElements:["imageBlock","imageInline"],className:"image-style-align-right"}},get alignBlockRight(){return{name:"alignBlockRight",title:"Right aligned image",icon:Se,modelElements:["imageBlock"],className:"image-style-block-align-right"}},get block(){return{name:"block",title:"Centered image",icon:xe,modelElements:["imageBlock"],isDefault:!0}},get side(){return{name:"side",title:"Side image",icon:Ee,modelElements:["imageBlock"],className:"image-style-side"}}},Ie={full:ke,left:Te,right:Se,center:xe,inlineLeft:Ae,inlineRight:Ee,inline:Ce},Ve=[{name:"imageStyle:wrapText",title:"Wrap text",defaultItem:"imageStyle:alignLeft",items:["imageStyle:alignLeft","imageStyle:alignRight"]},{name:"imageStyle:breakText",title:"Break text",defaultItem:"imageStyle:block",items:["imageStyle:alignBlockLeft","imageStyle:block","imageStyle:alignBlockRight"]}];function Re(e){(0,l.KE)("image-style-configuration-definition-invalid",e)}const Oe={normalizeStyles:function(e){return(e.configuredStyles.options||[]).map((e=>{return"string"==typeof(t="string"==typeof(t=e)?Pe[t]?{...Pe[t]}:{name:t}:function(e,t){const i={...t};for(const n in e)Object.prototype.hasOwnProperty.call(t,n)||(i[n]=e[n]);return i}(Pe[t.name],t)).icon&&(t.icon=Ie[t.icon]||t.icon),t;var t})).filter((t=>function(e,{isBlockPluginLoaded:t,isInlinePluginLoaded:i}){const{modelElements:n,name:o}=e;if(!(n&&n.length&&o))return Re({style:e}),!1;{const o=[t?"imageBlock":null,i?"imageInline":null];if(!n.some((e=>o.includes(e))))return(0,l.KE)("image-style-missing-dependency",{style:e,missingPlugins:n.map((e=>"imageBlock"===e?"ImageBlockEditing":"ImageInlineEditing"))}),!1}return!0}(t,e)))},getDefaultStylesConfiguration:function(e,t){return e&&t?{options:["inline","alignLeft","alignRight","alignCenter","alignBlockLeft","alignBlockRight","block","side"]}:e?{options:["block","side"]}:t?{options:["inline","alignLeft","alignRight"]}:{}},getDefaultDropdownDefinitions:function(e){return e.has("ImageBlockEditing")&&e.has("ImageInlineEditing")?[...Ve]:[]},warnInvalidStyle:Re,DEFAULT_OPTIONS:Pe,DEFAULT_ICONS:Ie,DEFAULT_DROPDOWN_DEFINITIONS:Ve};function Be(e,t){for(const i of t)if(i.name===e)return i}class Me extends n.Sy{static get pluginName(){return"ImageStyleEditing"}static get requires(){return[p]}init(){const{normalizeStyles:e,getDefaultStylesConfiguration:t}=Oe,i=this.editor,n=i.plugins.has("ImageBlockEditing"),o=i.plugins.has("ImageInlineEditing");i.config.define("image.styles",t(n,o)),this.normalizedStyles=e({configuredStyles:i.config.get("image.styles"),isBlockPluginLoaded:n,isInlinePluginLoaded:o}),this._setupConversion(n,o),this._setupPostFixer(),i.commands.add("imageStyle",new ye(i,this.normalizedStyles))}_setupConversion(e,t){const i=this.editor,n=i.model.schema,o=(s=this.normalizedStyles,(e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=Be(t.attributeNewValue,s),o=Be(t.attributeOldValue,s),r=i.mapper.toViewElement(t.item),a=i.writer;o&&a.removeClass(o.className,r),n&&a.addClass(n.className,r)});var s;const r=function(e){const t={imageInline:e.filter((e=>!e.isDefault&&e.modelElements.includes("imageInline"))),imageBlock:e.filter((e=>!e.isDefault&&e.modelElements.includes("imageBlock")))};return(e,i,n)=>{if(!i.modelRange)return;const o=i.viewItem,s=(0,l.Ps)(i.modelRange.getItems());if(s&&n.schema.checkAttribute(s,"imageStyle"))for(const e of t[s.name])n.consumable.consume(o,{classes:e.className})&&n.writer.setAttribute("imageStyle",e.name,s)}}(this.normalizedStyles);i.editing.downcastDispatcher.on("attribute:imageStyle",o),i.data.downcastDispatcher.on("attribute:imageStyle",o),e&&(n.extend("imageBlock",{allowAttributes:"imageStyle"}),i.data.upcastDispatcher.on("element:figure",r,{priority:"low"})),t&&(n.extend("imageInline",{allowAttributes:"imageStyle"}),i.data.upcastDispatcher.on("element:img",r,{priority:"low"}))}_setupPostFixer(){const e=this.editor,t=e.model.document,i=e.plugins.get(p),n=new Map(this.normalizedStyles.map((e=>[e.name,e])));t.registerPostFixer((e=>{let o=!1;for(const s of t.differ.getChanges())if("insert"==s.type||"attribute"==s.type&&"imageStyle"==s.attributeKey){let t="insert"==s.type?s.position.nodeAfter:s.range.start.nodeAfter;if(t&&t.is("element","paragraph")&&t.childCount>0&&(t=t.getChild(0)),!i.isImage(t))continue;const r=t.getAttribute("imageStyle");if(!r)continue;const a=n.get(r);a&&a.modelElements.includes(t.name)||(e.removeAttribute("imageStyle",t),o=!0)}return o}))}}var Le=i(7226),De=i(9203);class Ne extends n.Sy{static get requires(){return[Me]}static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Wrap text":e("Wrap text"),"Break text":e("Break text"),"In line":e("In line"),"Full size image":e("Full size image"),"Side image":e("Side image"),"Left aligned image":e("Left aligned image"),"Centered image":e("Centered image"),"Right aligned image":e("Right aligned image")}}init(){const e=this.editor.plugins,t=this.editor.config.get("image.toolbar")||[],i=Fe(e.get("ImageStyleEditing").normalizedStyles,this.localizedDefaultStylesTitles);for(const e of i)this._createButton(e);const n=Fe([...t.filter(Le.Z),...Oe.getDefaultDropdownDefinitions(e)],this.localizedDefaultStylesTitles);for(const e of n)this._createDropdown(e,i)}_createDropdown(e,t){const i=this.editor.ui.componentFactory;i.add(e.name,(n=>{let o;const{defaultItem:s,items:r,title:a}=e,l=r.filter((e=>t.find((({name:t})=>ze(t)===e)))).map((e=>{const t=i.create(e);return e===s&&(o=t),t}));r.length!==l.length&&Oe.warnInvalidStyle({dropdown:e});const c=(0,k.t9)(n,k.Rm),d=c.buttonView,h=d.arrowView;return(0,k.up)(c,l,{enableActiveItemFocusOnDropdownOpen:!0}),d.set({label:We(a,o.label),class:null,tooltip:!0}),h.unbind("label"),h.set({label:a}),d.bind("icon").toMany(l,"isOn",((...e)=>{const t=e.findIndex(De.Z);return t<0?o.icon:l[t].icon})),d.bind("label").toMany(l,"isOn",((...e)=>{const t=e.findIndex(De.Z);return We(a,t<0?o.label:l[t].label)})),d.bind("isOn").toMany(l,"isOn",((...e)=>e.some(De.Z))),d.bind("class").toMany(l,"isOn",((...e)=>e.some(De.Z)?"ck-splitbutton_flatten":void 0)),d.on("execute",(()=>{l.some((({isOn:e})=>e))?c.isOpen=!c.isOpen:o.fire("execute")})),c.bind("isEnabled").toMany(l,"isEnabled",((...e)=>e.some(De.Z))),this.listenTo(c,"execute",(()=>{this.editor.editing.view.focus()})),c}))}_createButton(e){const t=e.name;this.editor.ui.componentFactory.add(ze(t),(i=>{const n=this.editor.commands.get("imageStyle"),o=new k.r5(i);return o.set({label:e.title,icon:e.icon,tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(n,"isEnabled"),o.bind("isOn").to(n,"value",(e=>e===t)),o.on("execute",this._executeCommand.bind(this,t)),o}))}_executeCommand(e){this.editor.execute("imageStyle",{value:e}),this.editor.editing.view.focus()}}function Fe(e,t){for(const i of e)t[i.title]&&(i.title=t[i.title]);return e}function ze(e){return`imageStyle:${e}`}function We(e,t){return(e?e+": ":"")+t}class He extends n.Sy{static get requires(){return[Me,Ne]}static get pluginName(){return"ImageStyle"}}class Ue extends n.Sy{static get requires(){return[c.e8,p]}static get pluginName(){return"ImageToolbar"}afterInit(){const e=this.editor,t=e.t,i=e.plugins.get(c.e8),n=e.plugins.get("ImageUtils");var o;i.register("image",{ariaLabel:t("Image toolbar"),items:(o=e.config.get("image.toolbar")||[],o.map((e=>(0,Le.Z)(e)?e.name:e))),getRelatedElement:e=>n.getClosestSelectedImageWidget(e)})}}class je extends n.Sy{static get requires(){return[R,p]}static get pluginName(){return"PictureEditing"}afterInit(){const e=this.editor;e.plugins.has("ImageBlockEditing")&&e.model.schema.extend("imageBlock",{allowAttributes:["sources"]}),e.plugins.has("ImageInlineEditing")&&e.model.schema.extend("imageInline",{allowAttributes:["sources"]}),this._setupConversion(),this._setupImageUploadEditingIntegration()}_setupConversion(){const e=this.editor,t=e.conversion,i=e.plugins.get("ImageUtils");t.for("upcast").add(function(e){const t=["srcset","media","type","sizes"],i=(i,n,o)=>{const s=n.viewItem;if(!o.consumable.test(s,{name:!0}))return;const r=new Map;for(const e of s.getChildren())if(e.is("element","source")){const i={};for(const n of t)e.hasAttribute(n)&&o.consumable.test(e,{attributes:n})&&(i[n]=e.getAttribute(n));Object.keys(i).length&&r.set(e,i)}const a=e.findViewImgElement(s);if(!a)return;let c=n.modelCursor.parent;if(!c.is("element","imageBlock")){const e=o.convertItem(a,n.modelCursor);n.modelRange=e.modelRange,n.modelCursor=e.modelCursor,c=(0,l.Ps)(e.modelRange.getItems())}o.consumable.consume(s,{name:!0});for(const[e,t]of r)o.consumable.consume(e,{attributes:Object.keys(t)});r.size&&o.writer.setAttribute("sources",Array.from(r.values()),c),o.convertChildren(s,c)};return e=>{e.on("element:picture",i)}}(i)),t.for("downcast").add(function(e){const t=(t,i,n)=>{if(!n.consumable.consume(i.item,t.name))return;const o=n.writer,s=n.mapper.toViewElement(i.item),r=e.findViewImgElement(s),a=i.attributeNewValue;if(a&&a.length){const e=o.createContainerElement("picture",null,a.map((e=>o.createEmptyElement("source",e)))),t=[];let i=r.parent;for(;i&&i.is("attributeElement");){const e=i.parent;o.unwrap(o.createRangeOn(r),i),t.unshift(i),i=e}o.insert(o.createPositionBefore(r),e),o.move(o.createRangeOn(r),o.createPositionAt(e,"end"));for(const i of t)o.wrap(o.createRangeOn(e),i)}else if(r.parent.is("element","picture")){const e=r.parent;o.move(o.createRangeOn(r),o.createPositionBefore(e)),o.remove(e)}};return e=>{e.on("attribute:sources:imageBlock",t),e.on("attribute:sources:imageInline",t)}}(i))}_setupImageUploadEditingIntegration(){const e=this.editor;if(!e.plugins.has("ImageUploadEditing"))return;const t=e.plugins.get("ImageUploadEditing");this.listenTo(t,"uploadComplete",((t,{imageElement:i,data:n})=>{const o=n.sources;o&&e.model.change((e=>{e.setAttributes({sources:o},i)}))}))}}},8873:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Indent:()=>a,IndentBlock:()=>g,IndentEditing:()=>o,IndentUI:()=>r});var n=i(7050);class o extends n.Sy{static get pluginName(){return"IndentEditing"}init(){const e=this.editor;e.commands.add("indent",new n.AJ(e)),e.commands.add("outdent",new n.AJ(e))}}var s=i(6530);class r extends n.Sy{static get pluginName(){return"IndentUI"}init(){const e=this.editor,t=e.locale,i=e.t,o="ltr"==t.uiLanguageDirection?n.icons.indent:n.icons.outdent,s="ltr"==t.uiLanguageDirection?n.icons.outdent:n.icons.indent;this._defineButton("indent",i("Increase indent"),o),this._defineButton("outdent",i("Decrease indent"),s)}_defineButton(e,t,i){const n=this.editor;n.ui.componentFactory.add(e,(o=>{const r=n.commands.get(e),a=new s.r5(o);return a.set({label:t,icon:i,tooltip:!0}),a.bind("isEnabled").to(r,"isEnabled"),this.listenTo(a,"execute",(()=>{n.execute(e),n.editing.view.focus()})),a}))}}class a extends n.Sy{static get pluginName(){return"Indent"}static get requires(){return[o,r]}}var l=i(7422),c=i(5608);class d extends n.mY{constructor(e,t){super(e),this._indentBehavior=t}refresh(){const e=this.editor.model,t=(0,c.Ps)(e.document.selection.getSelectedBlocks());t&&this._isIndentationChangeAllowed(t)?this.isEnabled=this._indentBehavior.checkEnabled(t.getAttribute("blockIndent")):this.isEnabled=!1}execute(){const e=this.editor.model,t=this._getBlocksToChange();e.change((e=>{for(const i of t){const t=i.getAttribute("blockIndent"),n=this._indentBehavior.getNextIndent(t);n?e.setAttribute("blockIndent",n,i):e.removeAttribute("blockIndent",i)}}))}_getBlocksToChange(){const e=this.editor.model.document.selection;return Array.from(e.getSelectedBlocks()).filter((e=>this._isIndentationChangeAllowed(e)))}_isIndentationChangeAllowed(e){const t=this.editor;return!!t.model.schema.checkAttribute(e,"blockIndent")&&(!t.plugins.has("ListUtils")||(!this._indentBehavior.isForward||!t.plugins.get("ListUtils").isListItemBlock(e)))}}class h{constructor(e){this.isForward="forward"===e.direction,this.offset=e.offset,this.unit=e.unit}checkEnabled(e){const t=parseFloat(e||"0");return this.isForward||t>0}getNextIndent(e){const t=parseFloat(e||"0");if(e&&!e.endsWith(this.unit))return this.isForward?this.offset+this.unit:void 0;const i=t+(this.isForward?this.offset:-this.offset);return i>0?i+this.unit:void 0}}class u{constructor(e){this.isForward="forward"===e.direction,this.classes=e.classes}checkEnabled(e){const t=this.classes.indexOf(e);return this.isForward?t=0}getNextIndent(e){const t=this.classes.indexOf(e),i=this.isForward?1:-1;return this.classes[t+i]}}const m=["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"];class g extends n.Sy{constructor(e){super(e),e.config.define("indentBlock",{offset:40,unit:"px"})}static get pluginName(){return"IndentBlock"}init(){const e=this.editor,t=e.config.get("indentBlock");t.classes&&t.classes.length?(this._setupConversionUsingClasses(t.classes),e.commands.add("indentBlock",new d(e,new u({direction:"forward",classes:t.classes}))),e.commands.add("outdentBlock",new d(e,new u({direction:"backward",classes:t.classes})))):(e.data.addStyleProcessorRules(l.vt),this._setupConversionUsingOffset(),e.commands.add("indentBlock",new d(e,new h({direction:"forward",offset:t.offset,unit:t.unit}))),e.commands.add("outdentBlock",new d(e,new h({direction:"backward",offset:t.offset,unit:t.unit}))))}afterInit(){const e=this.editor,t=e.model.schema,i=e.commands.get("indent"),n=e.commands.get("outdent"),o=e.config.get("heading.options");(o&&o.map((e=>e.model))||m).forEach((e=>{t.isRegistered(e)&&t.extend(e,{allowAttributes:"blockIndent"})})),t.setAttributeProperties("blockIndent",{isFormatting:!0}),i.registerChildCommand(e.commands.get("indentBlock")),n.registerChildCommand(e.commands.get("outdentBlock"))}_setupConversionUsingOffset(){const e=this.editor.conversion,t="rtl"===this.editor.locale.contentLanguageDirection?"margin-right":"margin-left";e.for("upcast").attributeToAttribute({view:{styles:{[t]:/[\s\S]+/}},model:{key:"blockIndent",value:e=>{if(!e.is("element","li"))return e.getStyle(t)}}}),e.for("downcast").attributeToAttribute({model:"blockIndent",view:e=>({key:"style",value:{[t]:e}})})}_setupConversionUsingClasses(e){const t={model:{key:"blockIndent",values:[]},view:{}};for(const i of e)t.model.values.push(i),t.view[i]={key:"class",value:[i]};this.editor.conversion.attributeToAttribute(t)}}},2519:(e,t,i)=>{"use strict";i.r(t),i.d(t,{AutoLink:()=>ee,Link:()=>ie,LinkCommand:()=>D,LinkEditing:()=>U,LinkImage:()=>ae,LinkImageEditing:()=>ne,LinkImageUI:()=>re,LinkUI:()=>Y,UnlinkCommand:()=>F});var n=i(7050),o=i(4663),s=i(8598),r=i(5608);class a{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(e){Array.isArray(e)?e.forEach((e=>this._definitions.add(e))):this._definitions.add(e)}getDispatcher(){return e=>{e.on("attribute:linkHref",((e,t,i)=>{if(!i.consumable.test(t.item,"attribute:linkHref"))return;if(!t.item.is("selection")&&!i.schema.isInline(t.item))return;const n=i.writer,o=n.document.selection;for(const e of this._definitions){const s=n.createAttributeElement("a",e.attributes,{priority:5});e.classes&&n.addClass(e.classes,s);for(const t in e.styles)n.setStyle(t,e.styles[t],s);n.setCustomProperty("link",!0,s),e.callback(t.attributeNewValue)?t.item.is("selection")?n.wrap(o.getFirstRange(),s):n.wrap(i.mapper.toViewRange(t.range),s):n.unwrap(i.mapper.toViewRange(t.range),s)}}),{priority:"high"})}}getDispatcherForLinkedImage(){return e=>{e.on("attribute:linkHref:imageBlock",((e,t,{writer:i,mapper:n})=>{const o=n.toViewElement(t.item),s=Array.from(o.getChildren()).find((e=>e.is("element","a")));for(const e of this._definitions){const n=(0,r.qL)(e.attributes);if(e.callback(t.attributeNewValue)){for(const[e,t]of n)"class"===e?i.addClass(t,s):i.setAttribute(e,t,s);e.classes&&i.addClass(e.classes,s);for(const t in e.styles)i.setStyle(t,e.styles[t],s)}else{for(const[e,t]of n)"class"===e?i.removeClass(t,s):i.removeAttribute(e,s);e.classes&&i.removeClass(e.classes,s);for(const t in e.styles)i.removeStyle(t,s)}}}))}}}var l=i(7855);var c=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");const d=function(e){return c.test(e)};var h="\\ud800-\\udfff",u="["+h+"]",m="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",g="\\ud83c[\\udffb-\\udfff]",f="[^"+h+"]",p="(?:\\ud83c[\\udde6-\\uddff]){2}",b="[\\ud800-\\udbff][\\udc00-\\udfff]",w="(?:"+m+"|"+g+")?",v="[\\ufe0e\\ufe0f]?",_=v+w+"(?:\\u200d(?:"+[f,p,b].join("|")+")"+v+w+")*",y="(?:"+[f+m+"?",m,p,b,u].join("|")+")",k=RegExp(g+"(?="+g+")|"+y+_,"g");const C=function(e){return d(e)?function(e){return e.match(k)||[]}(e):function(e){return e.split("")}(e)};var A=i(9939);const E=function(e){e=(0,A.Z)(e);var t,i,n,o,s=d(e)?C(e):void 0,r=s?s[0]:e.charAt(0),a=s?(t=s,i=1,o=t.length,n=void 0===n?o:n,!i&&n>=o?t:(0,l.Z)(t,i,n)).join(""):e.slice(1);return r.toUpperCase()+a},x=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,T=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,S=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,P=/^((\w+:(\/{2,})?)|(\W))/i,I="Ctrl+K";function V(e,{writer:t}){const i=t.createAttributeElement("a",{href:e},{priority:5});return t.setCustomProperty("link",!0,i),i}function R(e){const t=String(e);return function(e){return!!e.replace(x,"").match(T)}(t)?t:"#"}function O(e,t){return!!e&&t.checkAttribute(e.name,"linkHref")}function B(e,t){const i=(n=e,S.test(n)?"mailto:":t);var n;const o=!!i&&!M(e);return e&&o?i+e:e}function M(e){return P.test(e)}function L(e){window.open(e,"_blank","noopener")}class D extends n.mY{constructor(){super(...arguments),this.manualDecorators=new r.FE,this.automaticDecorators=new a}restoreManualDecoratorStates(){for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}refresh(){const e=this.editor.model,t=e.document.selection,i=t.getSelectedElement()||(0,r.Ps)(t.getSelectedBlocks());O(i,e.schema)?(this.value=i.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttribute(i,"linkHref")):(this.value=t.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref"));for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}execute(e,t={}){const i=this.editor.model,n=i.document.selection,s=[],a=[];for(const e in t)t[e]?s.push(e):a.push(e);i.change((t=>{if(n.isCollapsed){const l=n.getFirstPosition();if(n.hasAttribute("linkHref")){const r=N(n);let c=(0,o.VD)(l,"linkHref",n.getAttribute("linkHref"),i);n.getAttribute("linkHref")===r&&(c=this._updateLinkContent(i,t,c,e)),t.setAttribute("linkHref",e,c),s.forEach((e=>{t.setAttribute(e,!0,c)})),a.forEach((e=>{t.removeAttribute(e,c)})),t.setSelection(t.createPositionAfter(c.end.nodeBefore))}else if(""!==e){const o=(0,r.qL)(n.getAttributes());o.set("linkHref",e),s.forEach((e=>{o.set(e,!0)}));const{end:a}=i.insertContent(t.createText(e,o),l);t.setSelection(a)}["linkHref",...s,...a].forEach((e=>{t.removeSelectionAttribute(e)}))}else{const o=i.schema.getValidRanges(n.getRanges(),"linkHref"),r=[];for(const e of n.getSelectedBlocks())i.schema.checkAttribute(e,"linkHref")&&r.push(t.createRangeOn(e));const l=r.slice();for(const e of o)this._isRangeToUpdate(e,r)&&l.push(e);for(const o of l){let r=o;if(1===l.length){const s=N(n);n.getAttribute("linkHref")===s&&(r=this._updateLinkContent(i,t,o,e),t.setSelection(t.createSelection(r)))}t.setAttribute("linkHref",e,r),s.forEach((e=>{t.setAttribute(e,!0,r)})),a.forEach((e=>{t.removeAttribute(e,r)}))}}}))}_getDecoratorStateFromModel(e){const t=this.editor.model,i=t.document.selection,n=i.getSelectedElement();return O(n,t.schema)?n.getAttribute(e):i.getAttribute(e)}_isRangeToUpdate(e,t){for(const i of t)if(i.containsRange(e))return!1;return!0}_updateLinkContent(e,t,i,n){const o=t.createText(n,{linkHref:n});return e.insertContent(o,i)}}function N(e){if(e.isCollapsed){const t=e.getFirstPosition();return t.textNode&&t.textNode.data}{const t=Array.from(e.getFirstRange().getItems());if(t.length>1)return null;const i=t[0];return i.is("$text")||i.is("$textProxy")?i.data:null}}class F extends n.mY{refresh(){const e=this.editor.model,t=e.document.selection,i=t.getSelectedElement();O(i,e.schema)?this.isEnabled=e.schema.checkAttribute(i,"linkHref"):this.isEnabled=e.schema.checkAttributeInSelection(t,"linkHref")}execute(){const e=this.editor,t=this.editor.model,i=t.document.selection,n=e.commands.get("link");t.change((e=>{const s=i.isCollapsed?[(0,o.VD)(i.getFirstPosition(),"linkHref",i.getAttribute("linkHref"),t)]:t.schema.getValidRanges(i.getRanges(),"linkHref");for(const t of s)if(e.removeAttribute("linkHref",t),n)for(const i of n.manualDecorators)e.removeAttribute(i.id,t)}))}}class z extends((0,r.Re)()){constructor({id:e,label:t,attributes:i,classes:n,styles:o,defaultValue:s}){super(),this.id=e,this.set("value",void 0),this.defaultValue=s,this.label=t,this.attributes=i,this.classes=n,this.styles=o}_createPattern(){return{attributes:this.attributes,classes:this.classes,styles:this.styles}}}const W="automatic",H=/^(https?:)?\/\//;class U extends n.Sy{static get pluginName(){return"LinkEditing"}static get requires(){return[o.mh,o.II,s._l]}constructor(e){super(e),e.config.define("link",{allowCreatingEmptyLinks:!1,addTargetToExternalLinks:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"linkHref"}),e.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:V}),e.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(e,t)=>V(R(e),t)}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:e=>e.getAttribute("href")}}),e.commands.add("link",new D(e)),e.commands.add("unlink",new F(e));const t=function(e,t){const i={"Open in a new tab":e("Open in a new tab"),Downloadable:e("Downloadable")};return t.forEach((e=>("label"in e&&i[e.label]&&(e.label=i[e.label]),e))),t}(e.t,function(e){const t=[];if(e)for(const[i,n]of Object.entries(e)){const e=Object.assign({},n,{id:`link${E(i)}`});t.push(e)}return t}(e.config.get("link.decorators")));this._enableAutomaticDecorators(t.filter((e=>e.mode===W))),this._enableManualDecorators(t.filter((e=>"manual"===e.mode))),e.plugins.get(o.mh).registerAttribute("linkHref"),(0,o.Im)(e,"linkHref","a","ck-link_selected"),this._enableLinkOpen(),this._enableSelectionAttributesFixer(),this._enableClipboardIntegration()}_enableAutomaticDecorators(e){const t=this.editor,i=t.commands.get("link").automaticDecorators;t.config.get("link.addTargetToExternalLinks")&&i.add({id:"linkIsExternal",mode:W,callback:e=>!!e&&H.test(e),attributes:{target:"_blank",rel:"noopener noreferrer"}}),i.add(e),i.length&&t.conversion.for("downcast").add(i.getDispatcher())}_enableManualDecorators(e){if(!e.length)return;const t=this.editor,i=t.commands.get("link").manualDecorators;e.forEach((e=>{t.model.schema.extend("$text",{allowAttributes:e.id});const n=new z(e);i.add(n),t.conversion.for("downcast").attributeToElement({model:n.id,view:(e,{writer:t,schema:i},{item:o})=>{if((o.is("selection")||i.isInline(o))&&e){const e=t.createAttributeElement("a",n.attributes,{priority:5});n.classes&&t.addClass(n.classes,e);for(const i in n.styles)t.setStyle(i,n.styles[i],e);return t.setCustomProperty("link",!0,e),e}}}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",...n._createPattern()},model:{key:n.id}})}))}_enableLinkOpen(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",((e,t)=>{if(!(r.OB.isMac?t.domEvent.metaKey:t.domEvent.ctrlKey))return;let i=t.domTarget;if("a"!=i.tagName.toLowerCase()&&(i=i.closest("a")),!i)return;const n=i.getAttribute("href");n&&(e.stop(),t.preventDefault(),L(n))}),{context:"$capture"}),this.listenTo(t,"keydown",((t,i)=>{const n=e.commands.get("link").value;n&&i.keyCode===r.Do.enter&&i.altKey&&(t.stop(),L(n))}))}_enableSelectionAttributesFixer(){const e=this.editor.model,t=e.document.selection;this.listenTo(t,"change:attribute",((i,{attributeKeys:n})=>{n.includes("linkHref")&&!t.hasAttribute("linkHref")&&e.change((t=>{var i;!function(e,t){e.removeSelectionAttribute("linkHref");for(const i of t)e.removeSelectionAttribute(i)}(t,(i=e.schema,i.getDefinition("$text").allowAttributes.filter((e=>e.startsWith("link")))))}))}))}_enableClipboardIntegration(){const e=this.editor,t=e.model,i=this.editor.config.get("link.defaultProtocol");i&&this.listenTo(e.plugins.get("ClipboardPipeline"),"contentInsertion",((e,n)=>{t.change((e=>{const t=e.createRangeIn(n.content);for(const n of t.getItems())if(n.hasAttribute("linkHref")){const t=B(n.getAttribute("linkHref"),i);e.setAttribute("linkHref",t,n)}}))}))}}var j=i(7422),$=i(6530),Z=i(1609);class q extends $.G7{constructor(e,t){super(e),this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this._focusables=new $.vX;const i=e.t;this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(i("Save"),n.icons.check,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("Cancel"),n.icons.cancel,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(t),this.children=this._createFormChildren(t.manualDecorators),this._focusCycler=new $.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];t.manualDecorators.length&&o.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((e,t)=>(e[t.name]=t.isOn,e)),{})}render(){super.render(),(0,$.GI)({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const e=this.locale.t,t=new $.KP(this.locale,$.R);return t.label=e("Link URL"),t}_createButton(e,t,i,n){const o=new $.r5(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createManualDecoratorSwitches(e){const t=this.createCollection();for(const i of e.manualDecorators){const n=new $.BM(this.locale);n.set({name:i.id,label:i.label,withText:!0}),n.bind("isOn").toMany([i,e],"value",((e,t)=>void 0===t&&void 0===e?!!i.defaultValue:!!e)),n.on("execute",(()=>{i.set("value",!n.isOn)})),t.add(n)}return t}_createFormChildren(e){const t=this.createCollection();if(t.add(this.urlInputView),e.length){const e=new $.G7;e.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map((e=>({tag:"li",children:[e],attributes:{class:["ck","ck-list__item"]}}))),attributes:{class:["ck","ck-reset","ck-list"]}}),t.add(e)}return t.add(this.saveButtonView),t.add(this.cancelButtonView),t}}class K extends $.G7{constructor(e){super(e),this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this._focusables=new $.vX;const t=e.t;this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(t("Unlink"),'',"unlink"),this.editButtonView=this._createButton(t("Edit link"),n.icons.pencil,"edit"),this.set("href",void 0),this._focusCycler=new $.I0({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach((e=>{this._focusables.add(e),this.focusTracker.add(e.element)})),this.keystrokes.listenTo(this.element)}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}focus(){this._focusCycler.focusFirst()}_createButton(e,t,i){const n=new $.r5(this.locale);return n.set({label:e,icon:t,tooltip:!0}),n.delegate("execute").to(this,i),n}_createPreviewButton(){const e=new $.r5(this.locale),t=this.bindTemplate,i=this.t;return e.set({withText:!0,tooltip:i("Open link in new tab")}),e.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:t.to("href",(e=>e&&R(e))),target:"_blank",rel:"noopener noreferrer"}}),e.bind("label").to(this,"href",(e=>e||i("This link has no URL"))),e.bind("isEnabled").to(this,"href",(e=>!!e)),e.template.tag="a",e.template.eventListeners={},e}}const G='',J="link-ui";class Y extends n.Sy{constructor(){super(...arguments),this.actionsView=null,this.formView=null}static get requires(){return[$.WB]}static get pluginName(){return"LinkUI"}init(){const e=this.editor;e.editing.view.addObserver(j.KU),this._balloon=e.plugins.get($.WB),this._createToolbarLinkButton(),this._enableBalloonActivators(),e.conversion.for("editingDowncast").markerToHighlight({model:J,view:{classes:["ck-fake-link-selection"]}}),e.conversion.for("editingDowncast").markerToElement({model:J,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView&&this.formView.destroy(),this.actionsView&&this.actionsView.destroy()}_createViews(){this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._enableUserBalloonInteractions()}_createActionsView(){const e=this.editor,t=new K(e.locale),i=e.commands.get("link"),n=e.commands.get("unlink");return t.bind("href").to(i,"value"),t.editButtonView.bind("isEnabled").to(i),t.unlinkButtonView.bind("isEnabled").to(n),this.listenTo(t,"edit",(()=>{this._addFormView()})),this.listenTo(t,"unlink",(()=>{e.execute("unlink"),this._hideUI()})),t.keystrokes.set("Esc",((e,t)=>{this._hideUI(),t()})),t.keystrokes.set(I,((e,t)=>{this._addFormView(),t()})),t}_createFormView(){const e=this.editor,t=e.commands.get("link"),i=e.config.get("link.defaultProtocol"),n=e.config.get("link.allowCreatingEmptyLinks"),o=new((0,$.RX)(q))(e.locale,t);return o.urlInputView.fieldView.bind("value").to(t,"value"),o.urlInputView.bind("isEnabled").to(t,"isEnabled"),o.saveButtonView.bind("isEnabled").to(t,"isEnabled",o.urlInputView,"isEmpty",((e,t)=>e&&(n||!t))),this.listenTo(o,"submit",(()=>{const{value:t}=o.urlInputView.fieldView.element,n=B(t,i);e.execute("link",n,o.getDecoratorSwitchesState()),this._closeFormView()})),this.listenTo(o,"cancel",(()=>{this._closeFormView()})),o.keystrokes.set("Esc",((e,t)=>{this._closeFormView(),t()})),o}_createToolbarLinkButton(){const e=this.editor,t=e.commands.get("link"),i=e.t;e.ui.componentFactory.add("link",(e=>{const n=new $.r5(e);return n.isEnabled=!0,n.label=i("Link"),n.icon=G,n.keystroke=I,n.tooltip=!0,n.isToggleable=!0,n.bind("isEnabled").to(t,"isEnabled"),n.bind("isOn").to(t,"value",(e=>!!e)),this.listenTo(n,"execute",(()=>this._showUI(!0))),n}))}_enableBalloonActivators(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",(()=>{this._getSelectedLinkElement()&&this._showUI()})),e.keystrokes.set(I,((t,i)=>{i(),e.commands.get("link").isEnabled&&this._showUI(!0)}))}_enableUserBalloonInteractions(){this.editor.keystrokes.set("Tab",((e,t)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),t())}),{priority:"high"}),this.editor.keystrokes.set("Esc",((e,t)=>{this._isUIVisible&&(this._hideUI(),t())})),(0,$.eC)({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this.actionsView||this._createViews(),this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this.formView||this._createViews(),this._isFormInPanel)return;const e=this.editor.commands.get("link");this.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this.formView.urlInputView.fieldView.value=e.value||"",this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions()}_closeFormView(){const e=this.editor.commands.get("link");e.restoreManualDecoratorStates(),void 0!==e.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this.formView.urlInputView.fieldView.reset(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(e=!1){this.formView||this._createViews(),this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),e&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),e&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const e=this.editor;this.stopListening(e.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),e.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const e=this.editor,t=e.editing.view.document;let i=this._getSelectedLinkElement(),n=s();const o=()=>{const e=this._getSelectedLinkElement(),t=s();i&&!e||!i&&t!==n?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),i=e,n=t};function s(){return t.selection.focus.getAncestors().reverse().find((e=>e.is("element")))}this.listenTo(e.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return!!this.formView&&this._balloon.hasView(this.formView)}get _areActionsInPanel(){return!!this.actionsView&&this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return!!this.actionsView&&this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){const e=this._balloon.visibleView;return!!this.formView&&e==this.formView||this._areActionsVisible}_getBalloonPositionData(){const e=this.editor.editing.view,t=this.editor.model,i=e.document;let n;if(t.markers.has(J)){const t=Array.from(this.editor.editing.mapper.markerNameToElements(J)),i=e.createRange(e.createPositionBefore(t[0]),e.createPositionAfter(t[t.length-1]));n=e.domConverter.viewRangeToDom(i)}else n=()=>{const t=this._getSelectedLinkElement();return t?e.domConverter.mapViewToDom(t):e.domConverter.viewRangeToDom(i.selection.getFirstRange())};return{target:n}}_getSelectedLinkElement(){const e=this.editor.editing.view,t=e.document.selection,i=t.getSelectedElement();if(t.isCollapsed||i&&(0,Z.Qd)(i))return Q(t.getFirstPosition());{const i=t.getFirstRange().getTrimmed(),n=Q(i.start),o=Q(i.end);return n&&n==o&&e.createRangeIn(n).getTrimmed().isEqual(i)?n:null}}_showFakeVisualSelection(){const e=this.editor.model;e.change((t=>{const i=e.document.selection.getFirstRange();if(e.markers.has(J))t.updateMarker(J,{range:i});else if(i.start.isAtEnd){const n=i.start.getLastMatchingPosition((({item:t})=>!e.schema.isContent(t)),{boundaries:i});t.addMarker(J,{usingOperation:!1,affectsData:!1,range:t.createRange(n,i.end)})}else t.addMarker(J,{usingOperation:!1,affectsData:!1,range:i})}))}_hideFakeVisualSelection(){const e=this.editor.model;e.markers.has(J)&&e.change((e=>{e.removeMarker(J)}))}}function Q(e){return e.getAncestors().find((e=>{return(t=e).is("attributeElement")&&!!t.getCustomProperty("link");var t}))||null}const X=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(((?!www\\.)|(www\\.))(?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.)+(?:[a-z\\u00a1-\\uffff]{2,63})))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-_a-z0-9\\u00a1-\\uffff]{1,63}\\.))+(?:[a-z\\u00a1-\\uffff]{2,63})))$","i");class ee extends n.Sy{static get requires(){return[o.HG,U]}static get 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e=this.editor,t=e.model,i=e.commands.get("shiftEnter");i&&i.on("execute",(()=>{const e=t.document.selection.getFirstPosition(),i=t.createRange(t.createPositionAt(e.parent,0),e.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(i)}))}_checkAndApplyAutoLinkOnRange(e){const t=this.editor.model,{text:i,range:n}=(0,o.Up)(e,t),s=te(i);if(s){const e=t.createRange(n.end.getShiftedBy(-s.length),n.end);this._applyAutoLink(s,e)}}_applyAutoLink(e,t){const i=this.editor.model,n=B(e,this.editor.config.get("link.defaultProtocol"));this.isEnabled&&function(e,t){return t.schema.checkAttributeInSelection(t.createSelection(e),"linkHref")}(t,i)&&M(n)&&!function(e){const t=e.start.nodeAfter;return!!t&&t.hasAttribute("linkHref")}(t)&&this._persistAutoLink(n,t)}_persistAutoLink(e,t){const i=this.editor.model,n=this.editor.plugins.get("Delete");i.enqueueChange((o=>{o.setAttribute("linkHref",e,t),i.enqueueChange((()=>{n.requestUndoOnBackspace()}))}))}}function te(e){const t=X.exec(e);return t?t[2]:null}class ie extends n.Sy{static get requires(){return[U,Y,ee]}static get pluginName(){return"Link"}}class ne extends n.Sy{static get requires(){return["ImageEditing","ImageUtils",U]}static get pluginName(){return"LinkImageEditing"}afterInit(){const e=this.editor,t=e.model.schema;e.plugins.has("ImageBlockEditing")&&t.extend("imageBlock",{allowAttributes:["linkHref"]}),e.conversion.for("upcast").add(function(e){const t=e.plugins.has("ImageInlineEditing"),i=e.plugins.get("ImageUtils");return e=>{e.on("element:a",((e,n,o)=>{const s=n.viewItem,r=i.findViewImgElement(s);if(!r)return;const a=r.findAncestor((e=>i.isBlockImageView(e)));if(t&&!a)return;if(!o.consumable.consume(s,{attributes:["href"]}))return;const l=s.getAttribute("href");if(!l)return;let c=n.modelCursor.parent;if(!c.is("element","imageBlock")){const e=o.convertItem(r,n.modelCursor);n.modelRange=e.modelRange,n.modelCursor=e.modelCursor,c=n.modelCursor.nodeBefore}c&&c.is("element","imageBlock")&&o.writer.setAttribute("linkHref",l,c)}),{priority:"high"})}}(e)),e.conversion.for("downcast").add(function(e){const t=e.plugins.get("ImageUtils");return e=>{e.on("attribute:linkHref:imageBlock",((e,i,n)=>{if(!n.consumable.consume(i.item,e.name))return;const o=n.mapper.toViewElement(i.item),s=n.writer,r=Array.from(o.getChildren()).find((e=>e.is("element","a"))),a=t.findViewImgElement(o),l=a.parent.is("element","picture")?a.parent:a;if(r)i.attributeNewValue?s.setAttribute("href",i.attributeNewValue,r):(s.move(s.createRangeOn(l),s.createPositionAt(o,0)),s.remove(r));else{const e=s.createContainerElement("a",{href:i.attributeNewValue});s.insert(s.createPositionAt(o,0),e),s.move(s.createRangeOn(l),s.createPositionAt(e,0))}}),{priority:"high"})}}(e)),this._enableAutomaticDecorators(),this._enableManualDecorators()}_enableAutomaticDecorators(){const e=this.editor,t=e.commands.get("link").automaticDecorators;t.length&&e.conversion.for("downcast").add(t.getDispatcherForLinkedImage())}_enableManualDecorators(){const e=this.editor,t=e.commands.get("link");for(const i of t.manualDecorators)e.plugins.has("ImageBlockEditing")&&e.model.schema.extend("imageBlock",{allowAttributes:i.id}),e.plugins.has("ImageInlineEditing")&&e.model.schema.extend("imageInline",{allowAttributes:i.id}),e.conversion.for("downcast").add(oe(i)),e.conversion.for("upcast").add(se(e,i))}}function oe(e){return t=>{t.on(`attribute:${e.id}:imageBlock`,((t,i,n)=>{const o=n.mapper.toViewElement(i.item),s=Array.from(o.getChildren()).find((e=>e.is("element","a")));if(s){for(const[t,i]of(0,r.qL)(e.attributes))n.writer.setAttribute(t,i,s);e.classes&&n.writer.addClass(e.classes,s);for(const t in e.styles)n.writer.setStyle(t,e.styles[t],s)}}))}}function se(e,t){const i=e.plugins.has("ImageInlineEditing"),n=e.plugins.get("ImageUtils");return e=>{e.on("element:a",((e,o,s)=>{const r=o.viewItem,a=n.findViewImgElement(r);if(!a)return;const l=a.findAncestor((e=>n.isBlockImageView(e)));if(i&&!l)return;const c=new j.xO(t._createPattern()).match(r);if(!c)return;if(!s.consumable.consume(r,c.match))return;const d=o.modelCursor.nodeBefore||o.modelCursor.parent;s.writer.setAttribute(t.id,!0,d)}),{priority:"high"})}}class re extends n.Sy{static get requires(){return[U,Y,"ImageBlockEditing"]}static get pluginName(){return"LinkImageUI"}init(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"click",((t,i)=>{this._isSelectedLinkedImage(e.model.document.selection)&&(i.preventDefault(),t.stop())}),{priority:"high"}),this._createToolbarLinkImageButton()}_createToolbarLinkImageButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("linkImage",(i=>{const n=new $.r5(i),o=e.plugins.get("LinkUI"),s=e.commands.get("link");return n.set({isEnabled:!0,label:t("Link image"),icon:G,keystroke:I,tooltip:!0,isToggleable:!0}),n.bind("isEnabled").to(s,"isEnabled"),n.bind("isOn").to(s,"value",(e=>!!e)),this.listenTo(n,"execute",(()=>{this._isSelectedLinkedImage(e.model.document.selection)?o._addActionsView():o._showUI(!0)})),n}))}_isSelectedLinkedImage(e){const t=e.getSelectedElement();return this.editor.plugins.get("ImageUtils").isImage(t)&&t.hasAttribute("linkHref")}}class ae extends n.Sy{static get requires(){return[ne,re]}static get pluginName(){return"LinkImage"}}},4254:(e,t,i)=>{"use 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this(e,t)[Symbol.iterator]();return(0,r.Ps)(i)}*[Symbol.iterator](){const e=[];for(const{node:t}of l(this._getStartNode(),this._isForward?"forward":"backward")){const i=t.getAttribute("listIndent");if(ithis._referenceIndent){if(!this._higherIndent)continue;if(!this._isForward){e.push(t);continue}}else{if(!this._sameIndent){if(this._higherIndent){e.length&&(yield*e,e.length=0);break}continue}if(this._sameAttributes.some((e=>t.getAttribute(e)!==this._startElement.getAttribute(e))))break}e.length&&(yield*e,e.length=0),yield t}}_getStartNode(){return this._includeSelf?this._startElement:this._isForward?this._startElement.nextSibling:this._startElement.previousSibling}}function*l(e,t="forward"){const i="forward"==t,n=[];let o=null;for(;h(e);){let t=null;if(o){const i=e.getAttribute("listIndent"),s=o.getAttribute("listIndent");i>s?n[s]=o:ie.getAttribute("listItemId")!=t))}function A(e){return Array.from(e).filter((e=>"$graveyard"!==e.root.rootName)).sort(((e,t)=>e.index-t.index))}function 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t=this.editor.model,i=t.document,n=E(t),o=Array.from(i.selection.getSelectedBlocks()).filter((e=>t.schema.checkAttribute(e,"listType")||x(e,t.schema))),s=void 0!==e.forceValue?!e.forceValue:this.value;t.change((e=>{if(s){const t=o[o.length-1],i=m(t,{direction:"forward"}),n=[];i.length>1&&n.push(...v(i[1],e)),n.push(...k(o,e)),n.push(...function(e,t){const i=[];let n=Number.POSITIVE_INFINITY;for(const{node:o}of l(e.nextSibling,"forward")){const e=o.getAttribute("listIndent");if(0==e)break;e{const{firstElement:s,lastElement:r}=this._getMergeSubjectElements(i,e),l=s.getAttribute("listIndent")||0,c=r.getAttribute("listIndent"),d=r.getAttribute("listItemId");if(l!=c){const e=(h=r,Array.from(new a(h,{direction:"forward",higherIndent:!0})));n.push(...y([r,...e],o,{indentBy:l-c,expand:l{const t=v(this._getStartBlock(),e);this._fireAfterExecute(t)}))}_fireAfterExecute(e){this.fire("afterExecute",A(new Set(e)))}_checkEnabled(){const 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n.Sy{static get pluginName(){return"ListEditing"}static get requires(){return[s.C,o.HG,O,Z._l]}constructor(e){super(e),this._downcastStrategies=[],e.config.define("list.multiBlock",!0)}init(){const e=this.editor,t=e.model,i=e.config.get("list.multiBlock");if(e.plugins.has("LegacyListEditing"))throw new r.Bb("list-feature-conflict",this,{conflictPlugin:"LegacyListEditing"});t.schema.register("$listItem",{allowAttributes:q}),i?(t.schema.extend("$container",{allowAttributesOf:"$listItem"}),t.schema.extend("$block",{allowAttributesOf:"$listItem"}),t.schema.extend("$blockObject",{allowAttributesOf:"$listItem"})):t.schema.register("listItem",{inheritAllFrom:"$block",allowAttributesOf:"$listItem"});for(const e of q)t.schema.setAttributeProperties(e,{copyOnReplace:!0});e.commands.add("numberedList",new I(e,"numbered")),e.commands.add("bulletedList",new I(e,"bulleted")),e.commands.add("indentList",new S(e,"forward")),e.commands.add("outdentList",new S(e,"backward")),e.commands.add("splitListItemBefore",new R(e,"before")),e.commands.add("splitListItemAfter",new R(e,"after")),i&&(e.commands.add("mergeListItemBackward",new V(e,"backward")),e.commands.add("mergeListItemForward",new V(e,"forward"))),this._setupDeleteIntegration(),this._setupEnterIntegration(),this._setupTabIntegration(),this._setupClipboardIntegration()}afterInit(){const e=this.editor.commands,t=e.get("indent"),i=e.get("outdent");t&&t.registerChildCommand(e.get("indentList"),{priority:"high"}),i&&i.registerChildCommand(e.get("outdentList"),{priority:"lowest"}),this._setupModelPostFixing(),this._setupConversion()}registerDowncastStrategy(e){this._downcastStrategies.push(e)}getListAttributeNames(){return[...q,...this._downcastStrategies.map((e=>e.attributeName))]}_setupDeleteIntegration(){const e=this.editor,t=e.commands.get("mergeListItemBackward"),i=e.commands.get("mergeListItemForward");this.listenTo(e.editing.view.document,"delete",((n,o)=>{const s=e.model.document.selection;E(e.model)||e.model.change((()=>{const r=s.getFirstPosition();if(s.isCollapsed&&"backward"==o.direction){if(!r.isAtStart)return;const i=r.parent;if(!h(i))return;if(a.first(i,{sameAttributes:"listType",sameIndent:!0})||0!==i.getAttribute("listIndent")){if(!t||!t.isEnabled)return;t.execute({shouldMergeOnBlocksContentLevel:G(e.model,"backward")})}else p(i)||e.execute("splitListItemAfter"),e.execute("outdentList");o.preventDefault(),n.stop()}else{if(s.isCollapsed&&!s.getLastPosition().isAtEnd)return;if(!i||!i.isEnabled)return;i.execute({shouldMergeOnBlocksContentLevel:G(e.model,"forward")}),o.preventDefault(),n.stop()}}))}),{context:"li"})}_setupEnterIntegration(){const e=this.editor,t=e.model,i=e.commands,n=i.get("enter");this.listenTo(e.editing.view.document,"enter",((i,n)=>{const o=t.document,s=o.selection.getFirstPosition().parent;if(o.selection.isCollapsed&&h(s)&&s.isEmpty&&!n.isSoft){const t=f(s),o=p(s);t&&o?(e.execute("outdentList"),n.preventDefault(),i.stop()):t&&!o?(e.execute("splitListItemAfter"),n.preventDefault(),i.stop()):o&&(e.execute("splitListItemBefore"),n.preventDefault(),i.stop())}}),{context:"li"}),this.listenTo(n,"afterExecute",(()=>{const t=i.get("splitListItemBefore");t.refresh(),t.isEnabled&&2===u(e.model.document.selection.getLastPosition().parent).length&&t.execute()}))}_setupTabIntegration(){const e=this.editor;this.listenTo(e.editing.view.document,"tab",((t,i)=>{const n=i.shiftKey?"outdentList":"indentList";this.editor.commands.get(n).isEnabled&&(e.execute(n),i.stopPropagation(),i.preventDefault(),t.stop())}),{context:"li"})}_setupConversion(){const e=this.editor,t=e.model,i=this.getListAttributeNames(),n=e.config.get("list.multiBlock"),o=n?"paragraph":"listItem";e.conversion.for("upcast").elementToElement({view:"li",model:(e,{writer:t})=>t.createElement(o,{listType:""})}).elementToElement({view:"p",model:(e,{writer:t})=>e.parent&&e.parent.is("element","li")?t.createElement(o,{listType:""}):null,converterPriority:"high"}).add((e=>{e.on("element:li",((e,t,i)=>{const{writer:n,schema:o}=i;if(!t.modelRange)return;const s=Array.from(t.modelRange.getItems({shallow:!0})).filter((e=>o.checkAttribute(e,"listItemId")));if(!s.length)return;const r=d.next(),a=function(e){let t=0,i=e.parent;for(;i;){if(L(i))t++;else{const e=i.previousSibling;e&&L(e)&&t++}i=i.parent}return t}(t.viewItem);let l=t.viewItem.parent&&t.viewItem.parent.is("element","ol")?"numbered":"bulleted";const c=s[0].getAttribute("listType");c&&(l=c);const h={listItemId:r,listIndent:a,listType:l};for(const e of s)e.hasAttribute("listItemId")||n.setAttributes(h,e);s.length>1&&s[1].getAttribute("listItemId")!=h.listItemId&&i.keepEmptyElement(s[0])})),e.on("element:ul",H(),{priority:"high"}),e.on("element:ol",H(),{priority:"high"})})),n||e.conversion.for("downcast").elementToElement({model:"listItem",view:"p"}),e.conversion.for("editingDowncast").elementToElement({model:o,view:j(i),converterPriority:"high"}).add((e=>{e.on("attribute",U(i,this._downcastStrategies,t))})),e.conversion.for("dataDowncast").elementToElement({model:o,view:j(i,{dataPipeline:!0}),converterPriority:"high"}).add((e=>{e.on("attribute",U(i,this._downcastStrategies,t,{dataPipeline:!0}))})),this.listenTo(t.document,"change:data",function(e,t,i,n){return()=>{const n=e.document.differ.getChanges(),r=[],a=new Map,l=new Set;for(const e of n)if("insert"==e.type&&"$text"!=e.name)W(e.position,a),e.attributes.has("listItemId")?l.add(e.position.nodeAfter):W(e.position.getShiftedBy(e.length),a);else if("remove"==e.type&&e.attributes.has("listItemId"))W(e.position,a);else if("attribute"==e.type){const t=e.range.start.nodeAfter;i.includes(e.attributeKey)?(W(e.range.start,a),null===e.attributeNewValue?(W(e.range.start.getShiftedBy(1),a),s(t)&&r.push(t)):l.add(t)):h(t)&&s(t)&&r.push(t)}for(const e of a.values())r.push(...o(e,l));for(const e of new Set(r))t.reconvertItem(e)};function o(e,t){const n=[],o=new Set,a=[];for(const{node:c,previous:d}of l(e,"forward")){if(o.has(c))continue;const e=c.getAttribute("listIndent");d&&ei.includes(e))));const l=m(c,{direction:"forward"});for(const e of l)o.add(e),(s(e,l)||r(e,a,t))&&n.push(e)}return n}function s(e,o){const s=t.mapper.toViewElement(e);if(!s)return!1;if(n.fire("checkElement",{modelElement:e,viewElement:s}))return!0;if(!e.is("element","paragraph")&&!e.is("element","listItem"))return!1;const r=$(e,i,o);return!(!r||!s.is("element","p"))||!(r||!s.is("element","span"))}function r(e,i,o){if(o.has(e))return!1;const s=t.mapper.toViewElement(e);let r=i.length-1;for(let e=s.parent;!e.is("editableElement");e=e.parent){const t=L(e),o=M(e);if(!o&&!t)continue;const s="checkAttributes:"+(t?"item":"list");if(n.fire(s,{viewElement:e,modelAttributes:i[r]}))break;if(o&&(r--,r<0))return!1}return!0}}(t,e.editing,i,this),{priority:"high"}),this.on("checkAttributes:item",((e,{viewElement:t,modelAttributes:i})=>{t.id!=i.listItemId&&(e.return=!0,e.stop())})),this.on("checkAttributes:list",((e,{viewElement:t,modelAttributes:i})=>{t.name==F(i.listType)&&t.id==z(i.listType,i.listIndent)||(e.return=!0,e.stop())}))}_setupModelPostFixing(){const e=this.editor.model,t=this.getListAttributeNames();e.document.registerPostFixer((i=>function(e,t,i,n){const o=e.document.differ.getChanges(),s=new Map,r=n.editor.config.get("list.multiBlock");let a=!1;for(const n of o){if("insert"==n.type&&"$text"!=n.name){const o=n.position.nodeAfter;if(!e.schema.checkAttribute(o,"listItemId"))for(const e of Array.from(o.getAttributeKeys()))i.includes(e)&&(t.removeAttribute(e,o),a=!0);W(n.position,s),n.attributes.has("listItemId")||W(n.position.getShiftedBy(n.length),s);for(const{item:t,previousPosition:i}of e.createRangeIn(o))h(t)&&W(i,s)}else"remove"==n.type?W(n.position,s):"attribute"==n.type&&i.includes(n.attributeKey)&&(W(n.range.start,s),null===n.attributeNewValue&&W(n.range.start.getShiftedBy(1),s));if(!r&&"attribute"==n.type&&q.includes(n.attributeKey)){const e=n.range.start.nodeAfter;null===n.attributeNewValue&&e&&e.is("element","listItem")?(t.rename(e,"paragraph"),a=!0):null===n.attributeOldValue&&e&&e.is("element")&&"listItem"!=e.name&&(t.rename(e,"listItem"),a=!0)}}const l=new Set;for(const e of s.values())a=n.fire("postFixer",{listNodes:new c(e),listHead:e,writer:t,seenIds:l})||a;return a}(e,i,t,this))),this.on("postFixer",((e,{listNodes:t,writer:i})=>{e.return=function(e,t){let i=0,n=-1,o=null,s=!1;for(const{node:r}of e){const e=r.getAttribute("listIndent");if(e>i){let a;null===o?(o=e-i,a=i):(o>e&&(o=e),a=e-o),a>n+1&&(a=n+1),t.setAttribute("listIndent",a,r),s=!0,n=a}else o=null,i=e+1,n=e}return s}(t,i)||e.return}),{priority:"high"}),this.on("postFixer",((e,{listNodes:t,writer:i,seenIds:n})=>{e.return=function(e,t,i){const n=new Set;let o=!1;for(const{node:s}of e){if(n.has(s))continue;let e=s.getAttribute("listType"),r=s.getAttribute("listItemId");if(t.has(r)&&(r=d.next()),t.add(r),s.is("element","listItem"))s.getAttribute("listItemId")!=r&&(i.setAttribute("listItemId",r,s),o=!0);else for(const t of m(s,{direction:"forward"}))n.add(t),t.getAttribute("listType")!=e&&(r=d.next(),e=t.getAttribute("listType")),t.getAttribute("listItemId")!=r&&(i.setAttribute("listItemId",r,t),o=!0)}return o}(t,n,i)||e.return}),{priority:"high"})}_setupClipboardIntegration(){const e=this.editor.model,t=this.editor.plugins.get("ClipboardPipeline");this.listenTo(e,"insertContent",function(e){return(t,[i,n])=>{const o=i.is("documentFragment")?Array.from(i.getChildren()):[i];if(!o.length)return;const s=(n?e.createSelection(n):e.document.selection).getFirstPosition();let r;if(h(s.parent))r=s.parent;else{if(!h(s.nodeBefore))return;r=s.nodeBefore}e.change((e=>{const t=r.getAttribute("listType"),i=r.getAttribute("listIndent"),n=o[0].getAttribute("listIndent")||0,s=Math.max(i-n,0);for(const i of o){const n=h(i);r.is("element","listItem")&&i.is("element","paragraph")&&e.rename(i,"listItem"),e.setAttributes({listIndent:(n?i.getAttribute("listIndent"):0)+s,listItemId:n?i.getAttribute("listItemId"):d.next(),listType:t},i)}}))}}(e),{priority:"high"}),this.listenTo(t,"outputTransformation",((t,i)=>{e.change((e=>{const t=Array.from(i.content.getChildren()),n=t[t.length-1];if(t.length>1&&n.is("element")&&n.isEmpty&&t.slice(0,-1).every(h)&&e.remove(n),"copy"==i.method||"cut"==i.method){const t=Array.from(i.content.getChildren());C(t)&&k(t,e)}}))}))}}function G(e,t){const i=e.document.selection;if(!i.isCollapsed)return!E(e);if("forward"===t)return!0;const n=i.getFirstPosition().parent,o=n.previousSibling;return!e.schema.isObject(o)&&(!!o.isEmpty||C([n,o]))}var J=i(6530);function Y(e,t,i,n){e.ui.componentFactory.add(t,(o=>{const s=e.commands.get(t),r=new J.r5(o);return r.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),r.bind("isOn","isEnabled").to(s,"value","isEnabled"),r.on("execute",(()=>{e.execute(t),e.editing.view.focus()})),r}))}class Q extends n.Sy{static get pluginName(){return"ListUI"}init(){const e=this.editor.t;Y(this.editor,"numberedList",e("Numbered List"),n.icons.numberedList),Y(this.editor,"bulletedList",e("Bulleted List"),n.icons.bulletedList)}}class X extends n.Sy{static get requires(){return[K,Q]}static get pluginName(){return"List"}}class ee extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute({startIndex:e=1}={}){const t=this.editor.model,i=t.document;let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>h(e)&&"numbered"==e.getAttribute("listType")));n=w(n),t.change((t=>{for(const i of n)t.setAttribute("listStart",e>=0?e:1,i)}))}_getValue(){const e=this.editor.model.document,t=(0,r.Ps)(e.selection.getSelectedBlocks());return t&&h(t)&&"numbered"==t.getAttribute("listType")?t.getAttribute("listStart"):null}}const te={},ie={},ne={},oe=[{listStyle:"disc",typeAttribute:"disc",listType:"bulleted"},{listStyle:"circle",typeAttribute:"circle",listType:"bulleted"},{listStyle:"square",typeAttribute:"square",listType:"bulleted"},{listStyle:"decimal",typeAttribute:"1",listType:"numbered"},{listStyle:"decimal-leading-zero",typeAttribute:null,listType:"numbered"},{listStyle:"lower-roman",typeAttribute:"i",listType:"numbered"},{listStyle:"upper-roman",typeAttribute:"I",listType:"numbered"},{listStyle:"lower-alpha",typeAttribute:"a",listType:"numbered"},{listStyle:"upper-alpha",typeAttribute:"A",listType:"numbered"},{listStyle:"lower-latin",typeAttribute:"a",listType:"numbered"},{listStyle:"upper-latin",typeAttribute:"A",listType:"numbered"}];for(const{listStyle:e,typeAttribute:t,listType:i}of oe)te[e]=i,ie[e]=t,t&&(ne[t]=e);function se(){return oe.map((e=>e.listStyle))}function re(e){return te[e]||null}function ae(e){return ne[e]||null}function le(e){return ie[e]||null}class ce extends n.mY{constructor(e,t,i){super(e),this.defaultType=t,this._supportedTypes=i}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,i=t.document;t.change((t=>{this._tryToConvertItemsToList(e);let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>e.hasAttribute("listType")));if(n.length){n=w(n);for(const i of n)t.setAttribute("listStyle",e.type||this.defaultType,i)}}))}isStyleTypeSupported(e){return!this._supportedTypes||this._supportedTypes.includes(e)}_getValue(){const e=(0,r.Ps)(this.editor.model.document.selection.getSelectedBlocks());return h(e)?e.getAttribute("listStyle"):null}_checkEnabled(){const e=this.editor,t=e.commands.get("numberedList"),i=e.commands.get("bulletedList");return t.isEnabled||i.isEnabled}_tryToConvertItemsToList(e){if(!e.type)return;const t=re(e.type);if(!t)return;const i=this.editor,n=`${t}List`;i.commands.get(n).value||i.execute(n)}}class de extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute(e={}){const t=this.editor.model,i=t.document;let n=Array.from(i.selection.getSelectedBlocks()).filter((e=>h(e)&&"numbered"==e.getAttribute("listType")));n=w(n),t.change((t=>{for(const i of n)t.setAttribute("listReversed",!!e.reversed,i)}))}_getValue(){const e=this.editor.model.document,t=(0,r.Ps)(e.selection.getSelectedBlocks());return h(t)&&"numbered"==t.getAttribute("listType")?t.getAttribute("listReversed"):null}}function he(e){return(t,i,n)=>{const{writer:o,schema:s,consumable:r}=n;if(!1===r.test(i.viewItem,e.viewConsumables))return;i.modelRange||Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor));let a=!1;for(const t of i.modelRange.getItems({shallow:!0}))s.checkAttribute(t,e.attributeName)&&e.appliesToListItem(t)&&(t.hasAttribute(e.attributeName)||(o.setAttribute(e.attributeName,e.getAttributeOnUpcast(i.viewItem),t),a=!0));a&&r.consume(i.viewItem,e.viewConsumables)}}class ue extends n.Sy{static get pluginName(){return"ListPropertiesUtils"}getAllSupportedStyleTypes(){return se()}getListTypeFromListStyleType(e){return re(e)}getListStyleTypeFromTypeAttribute(e){return ae(e)}getTypeAttributeFromListStyleType(e){return le(e)}}const me="default";class ge extends n.Sy{static get requires(){return[K,ue]}static get pluginName(){return"ListPropertiesEditing"}constructor(e){super(e),e.config.define("list.properties",{styles:!0,startIndex:!1,reversed:!1})}init(){const e=this.editor,t=e.model,i=e.plugins.get(K),n=function(e){const t=[];if(e.styles){const i="object"==typeof e.styles&&e.styles.useAttribute;t.push({attributeName:"listStyle",defaultValue:me,viewConsumables:{styles:"list-style-type"},addCommand(e){let t=se();i&&(t=t.filter((e=>!!le(e)))),e.commands.add("listStyle",new ce(e,me,t))},appliesToListItem:e=>"numbered"==e.getAttribute("listType")||"bulleted"==e.getAttribute("listType"),hasValidAttribute(e){if(!this.appliesToListItem(e))return!e.hasAttribute("listStyle");if(!e.hasAttribute("listStyle"))return!1;const t=e.getAttribute("listStyle");return t==me||re(t)==e.getAttribute("listType")},setAttributeOnDowncast(e,t,n){if(t&&t!==me){if(!i)return void e.setStyle("list-style-type",t,n);{const i=le(t);if(i)return void e.setAttribute("type",i,n)}}e.removeStyle("list-style-type",n),e.removeAttribute("type",n)},getAttributeOnUpcast(e){const t=e.getStyle("list-style-type");if(t)return t;const i=e.getAttribute("type");return i?ae(i):me}})}return e.reversed&&t.push({attributeName:"listReversed",defaultValue:!1,viewConsumables:{attributes:"reversed"},addCommand(e){e.commands.add("listReversed",new de(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),hasValidAttribute(e){return this.appliesToListItem(e)==e.hasAttribute("listReversed")},setAttributeOnDowncast(e,t,i){t?e.setAttribute("reversed","reversed",i):e.removeAttribute("reversed",i)},getAttributeOnUpcast:e=>e.hasAttribute("reversed")}),e.startIndex&&t.push({attributeName:"listStart",defaultValue:1,viewConsumables:{attributes:"start"},addCommand(e){e.commands.add("listStart",new ee(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),hasValidAttribute(e){return this.appliesToListItem(e)==e.hasAttribute("listStart")},setAttributeOnDowncast(e,t,i){0==t||t>1?e.setAttribute("start",t,i):e.removeAttribute("start",i)},getAttributeOnUpcast(e){const t=e.getAttribute("start");return t>=0?t:1}}),t}(e.config.get("list.properties"));for(const o of n)o.addCommand(e),t.schema.extend("$listItem",{allowAttributes:o.attributeName}),i.registerDowncastStrategy({scope:"list",attributeName:o.attributeName,setAttributeOnDowncast(e,t,i){o.setAttributeOnDowncast(e,t,i)}});e.conversion.for("upcast").add((e=>{for(const t of n)e.on("element:ol",he(t)),e.on("element:ul",he(t))})),i.on("checkAttributes:list",((e,{viewElement:t,modelAttributes:i})=>{for(const o of n)o.getAttributeOnUpcast(t)!=i[o.attributeName]&&(e.return=!0,e.stop())})),this.listenTo(e.commands.get("indentList"),"afterExecute",((e,i)=>{t.change((e=>{for(const t of i)for(const i of n)i.appliesToListItem(t)&&e.setAttribute(i.attributeName,i.defaultValue,t)}))})),i.on("postFixer",((e,{listNodes:t,writer:i})=>{for(const{node:o}of t)for(const t of n)t.hasValidAttribute(o)||(t.appliesToListItem(o)?i.setAttribute(t.attributeName,t.defaultValue,o):i.removeAttribute(t.attributeName,o),e.return=!0)})),i.on("postFixer",((e,{listNodes:t,writer:i})=>{for(const{node:o,previousNodeInList:s}of t)if(s&&s.getAttribute("listType")==o.getAttribute("listType"))for(const t of n){const{attributeName:n}=t;if(!t.appliesToListItem(o))continue;const r=s.getAttribute(n);o.getAttribute(n)!=r&&(i.setAttribute(n,r,o),e.return=!0)}}))}}class fe extends J.G7{constructor(e,{enabledProperties:t,styleButtonViews:i,styleGridAriaLabel:n}){super(e),this.stylesView=null,this.additionalPropertiesCollapsibleView=null,this.startIndexFieldView=null,this.reversedSwitchButtonView=null,this.focusTracker=new r.Rh,this.keystrokes=new r.VD,this.focusables=new J.vX;const o=["ck","ck-list-properties"];this.children=this.createCollection(),this.focusCycler=new J.I0({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),t.styles?(this.stylesView=this._createStylesView(i,n),this.children.add(this.stylesView)):o.push("ck-list-properties_without-styles"),(t.startIndex||t.reversed)&&(this._addNumberedListPropertyViews(t),o.push("ck-list-properties_with-numbered-properties")),this.setTemplate({tag:"div",attributes:{class:o},children:this.children})}render(){if(super.render(),this.stylesView){this.focusables.add(this.stylesView),this.focusTracker.add(this.stylesView.element),(this.startIndexFieldView||this.reversedSwitchButtonView)&&(this.focusables.add(this.children.last.buttonView),this.focusTracker.add(this.children.last.buttonView.element));for(const e of this.stylesView.children)this.stylesView.focusTracker.add(e.element);(0,J.IJ)({keystrokeHandler:this.stylesView.keystrokes,focusTracker:this.stylesView.focusTracker,gridItems:this.stylesView.children,numberOfColumns:()=>r.CO.window.getComputedStyle(this.stylesView.element).getPropertyValue("grid-template-columns").split(" ").length,uiLanguageDirection:this.locale&&this.locale.uiLanguageDirection})}if(this.startIndexFieldView){this.focusables.add(this.startIndexFieldView),this.focusTracker.add(this.startIndexFieldView.element);const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e)}this.reversedSwitchButtonView&&(this.focusables.add(this.reversedSwitchButtonView),this.focusTracker.add(this.reversedSwitchButtonView.element)),this.keystrokes.listenTo(this.element)}focus(){this.focusCycler.focusFirst()}focusLast(){this.focusCycler.focusLast()}destroy(){super.destroy(),this.focusTracker.destroy(),this.keystrokes.destroy()}_createStylesView(e,t){const i=new J.G7(this.locale);return i.children=i.createCollection(),i.children.addMany(e),i.setTemplate({tag:"div",attributes:{"aria-label":t,class:["ck","ck-list-styles-list"]},children:i.children}),i.children.delegate("execute").to(this),i.focus=function(){this.children.first.focus()},i.focusTracker=new r.Rh,i.keystrokes=new r.VD,i.render(),i.keystrokes.listenTo(i.element),i}_addNumberedListPropertyViews(e){const t=this.locale.t,i=[];e.startIndex&&(this.startIndexFieldView=this._createStartIndexField(),i.push(this.startIndexFieldView)),e.reversed&&(this.reversedSwitchButtonView=this._createReversedSwitchButton(),i.push(this.reversedSwitchButtonView)),e.styles?(this.additionalPropertiesCollapsibleView=new J.p2(this.locale,i),this.additionalPropertiesCollapsibleView.set({label:t("List properties"),isCollapsed:!0}),this.additionalPropertiesCollapsibleView.buttonView.bind("isEnabled").toMany(i,"isEnabled",((...e)=>e.some((e=>e)))),this.additionalPropertiesCollapsibleView.buttonView.on("change:isEnabled",((e,t,i)=>{i||(this.additionalPropertiesCollapsibleView.isCollapsed=!0)})),this.children.add(this.additionalPropertiesCollapsibleView)):this.children.addMany(i)}_createStartIndexField(){const e=this.locale.t,t=new J.KP(this.locale,J.sh);return t.set({label:e("Start at"),class:"ck-numbered-list-properties__start-index"}),t.fieldView.set({min:0,step:1,value:1,inputMode:"numeric"}),t.fieldView.on("input",(()=>{const i=t.fieldView.element,n=i.valueAsNumber;Number.isNaN(n)||(i.checkValidity()?this.fire("listStart",{startIndex:n}):t.errorText=e("Start index must be greater than 0."))})),t}_createReversedSwitchButton(){const e=this.locale.t,t=new J.BM(this.locale);return t.set({withText:!0,label:e("Reversed order"),class:"ck-numbered-list-properties__reversed-order"}),t.delegate("execute").to(this,"listReversed"),t}}class pe extends n.Sy{static get pluginName(){return"ListPropertiesUI"}init(){const e=this.editor,t=e.locale.t,i=e.config.get("list.properties");i.styles&&e.ui.componentFactory.add("bulletedList",be({editor:e,parentCommandName:"bulletedList",buttonLabel:t("Bulleted List"),buttonIcon:n.icons.bulletedList,styleGridAriaLabel:t("Bulleted list styles toolbar"),styleDefinitions:[{label:t("Toggle the disc list style"),tooltip:t("Disc"),type:"disc",icon:''},{label:t("Toggle the circle list style"),tooltip:t("Circle"),type:"circle",icon:''},{label:t("Toggle the square list style"),tooltip:t("Square"),type:"square",icon:''}]})),(i.styles||i.startIndex||i.reversed)&&e.ui.componentFactory.add("numberedList",be({editor:e,parentCommandName:"numberedList",buttonLabel:t("Numbered List"),buttonIcon:n.icons.numberedList,styleGridAriaLabel:t("Numbered list styles toolbar"),styleDefinitions:[{label:t("Toggle the decimal list style"),tooltip:t("Decimal"),type:"decimal",icon:''},{label:t("Toggle the decimal with leading zero list style"),tooltip:t("Decimal with leading zero"),type:"decimal-leading-zero",icon:''},{label:t("Toggle the lower–roman list style"),tooltip:t("Lower–roman"),type:"lower-roman",icon:''},{label:t("Toggle the upper–roman list style"),tooltip:t("Upper-roman"),type:"upper-roman",icon:''},{label:t("Toggle the lower–latin list style"),tooltip:t("Lower-latin"),type:"lower-latin",icon:''},{label:t("Toggle the upper–latin list style"),tooltip:t("Upper-latin"),type:"upper-latin",icon:''}]}))}}function be({editor:e,parentCommandName:t,buttonLabel:i,buttonIcon:n,styleGridAriaLabel:o,styleDefinitions:s}){const r=e.commands.get(t);return a=>{const l=(0,J.t9)(a,J.Rm),c=l.buttonView;return l.bind("isEnabled").to(r),l.class="ck-list-styles-dropdown",c.on("execute",(()=>{e.execute(t),e.editing.view.focus()})),c.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),c.bind("isOn").to(r,"value",(e=>!!e)),l.once("change:isOpen",(()=>{const i=function({editor:e,dropdownView:t,parentCommandName:i,styleDefinitions:n,styleGridAriaLabel:o}){const s=e.locale,r=e.config.get("list.properties");let a=null;if("numberedList"!=i&&(r.startIndex=!1,r.reversed=!1),r.styles){const t=e.commands.get("listStyle"),o=function({editor:e,listStyleCommand:t,parentCommandName:i}){const n=e.locale,o=e.commands.get(i);return({label:i,type:s,icon:r,tooltip:a})=>{const l=new J.r5(n);return l.set({label:i,icon:r,tooltip:a}),t.on("change:value",(()=>{l.isOn=t.value===s})),l.on("execute",(()=>{o.value?t.value!==s?e.execute("listStyle",{type:s}):e.execute("listStyle",{type:t.defaultType}):e.model.change((()=>{e.execute("listStyle",{type:s})}))})),l}}({editor:e,parentCommandName:i,listStyleCommand:t}),s="function"==typeof t.isStyleTypeSupported?e=>t.isStyleTypeSupported(e.type):()=>!0;a=n.filter(s).map(o)}const l=new fe(s,{styleGridAriaLabel:o,enabledProperties:r,styleButtonViews:a});if(r.styles&&(0,J.Mh)(t,(()=>l.stylesView.children.find((e=>e.isOn)))),r.startIndex){const t=e.commands.get("listStart");l.startIndexFieldView.bind("isEnabled").to(t),l.startIndexFieldView.fieldView.bind("value").to(t),l.on("listStart",((t,i)=>e.execute("listStart",i)))}if(r.reversed){const t=e.commands.get("listReversed");l.reversedSwitchButtonView.bind("isEnabled").to(t),l.reversedSwitchButtonView.bind("isOn").to(t,"value",(e=>!!e)),l.on("listReversed",(()=>{const i=t.value;e.execute("listReversed",{reversed:!i})}))}return l.delegate("execute").to(t),l}({editor:e,dropdownView:l,parentCommandName:t,styleGridAriaLabel:o,styleDefinitions:s});l.panelView.children.add(i)})),l.on("execute",(()=>{e.editing.view.focus()})),l}}class we extends n.Sy{static get requires(){return[ge,pe]}static get pluginName(){return"ListProperties"}}class ve extends n.mY{constructor(e){super(e),this.on("execute",(()=>{this.refresh()}),{priority:"highest"})}refresh(){const e=this._getSelectedItems();this.value=this._getValue(e),this.isEnabled=!!e.length}execute(e={}){this.editor.model.change((t=>{const i=this._getSelectedItems(),n=void 0===e.forceValue?!this._getValue(i):e.forceValue;for(const e of i)n?t.setAttribute("todoListChecked",!0,e):t.removeAttribute("todoListChecked",e)}))}_getValue(e){return e.every((e=>e.getAttribute("todoListChecked")))}_getSelectedItems(){const e=this.editor.model,t=e.schema,i=e.document.selection.getFirstRange(),n=i.start.parent,o=[];t.checkAttribute(n,"todoListChecked")&&o.push(...u(n));for(const e of i.getItems({shallow:!0}))t.checkAttribute(e,"todoListChecked")&&!o.includes(e)&&o.push(...u(e));return o}}class _e extends B.qZ{constructor(){super(...arguments),this.domEventType=["change"]}onDomEvent(e){if(e.target){const t=this.view.domConverter.mapDomToView(e.target);t&&t.is("element","input")&&"checkbox"==t.getAttribute("type")&&t.findAncestor({classes:"todo-list__label"})&&this.fire("todoCheckboxChange",e)}}}const ye=(0,r.Zz)("Ctrl+Enter");class ke extends n.Sy{static get pluginName(){return"TodoListEditing"}static get requires(){return[K]}init(){const e=this.editor,t=e.model,i=e.editing,n=e.plugins.get(K),o=e.config.get("list.multiBlock")?"paragraph":"listItem";e.commands.add("todoList",new I(e,"todo")),e.commands.add("checkTodoList",new ve(e)),i.view.addObserver(_e),t.schema.extend("$listItem",{allowAttributes:"todoListChecked"}),t.schema.addAttributeCheck(((e,t)=>{const i=e.last;if("todoListChecked"==t)return!(!i.getAttribute("listItemId")||"todo"!=i.getAttribute("listType"))&&void 0})),e.conversion.for("upcast").add((e=>{e.on("element:input",((e,t,i)=>{const n=t.modelCursor,o=n.parent,s=t.viewItem;if(!i.consumable.test(s,{name:!0}))return;if("checkbox"!=s.getAttribute("type")||!n.isAtStart||!o.hasAttribute("listType"))return;i.consumable.consume(s,{name:!0});const r=i.writer;r.setAttribute("listType","todo",o),t.viewItem.hasAttribute("checked")&&r.setAttribute("todoListChecked",!0,o),t.modelRange=r.createRange(n)})),e.on("element:label",Ce({name:"label",classes:"todo-list__label"})),e.on("element:label",Ce({name:"label",classes:["todo-list__label","todo-list__label_without-description"]})),e.on("element:span",Ce({name:"span",classes:"todo-list__label__description"})),e.on("element:ul",function(e){const t=new B.xO({name:"ul",classes:"todo-list"});return(e,i,n)=>{const o=t.match(i.viewItem);if(!o)return;const s=o.match;s.name=!1,n.consumable.consume(i.viewItem,s)}}())})),e.conversion.for("downcast").elementToElement({model:o,view:(e,{writer:t})=>{if(Ae(e,n.getListAttributeNames()))return t.createContainerElement("span",{class:"todo-list__label__description"})},converterPriority:"highest"}),n.registerDowncastStrategy({scope:"list",attributeName:"listType",setAttributeOnDowncast(e,t,i){"todo"==t?e.addClass("todo-list",i):e.removeClass("todo-list",i)}}),n.registerDowncastStrategy({scope:"itemMarker",attributeName:"todoListChecked",createElement(e,t,{dataPipeline:i}){if("todo"!=t.getAttribute("listType"))return null;const n=e.createEmptyElement("input",{type:"checkbox",...t.getAttribute("todoListChecked")?{checked:"checked"}:null,...i?{disabled:"disabled"}:{tabindex:"-1"}});return i?n:e.createContainerElement("span",{contenteditable:"false"},n)},canWrapElement:e=>Ae(e,n.getListAttributeNames()),createWrapperElement(e,t,{dataPipeline:i}){const o=["todo-list__label"];return Ae(t,n.getListAttributeNames())||o.push("todo-list__label_without-description"),e.createAttributeElement(i?"label":"span",{class:o.join(" ")})}}),i.mapper.registerViewToModelLength("input",(e=>"checkbox"==e.getAttribute("type")&&e.findAncestor({classes:"todo-list__label"})?0:i.mapper.toModelElement(e)?1:0)),n.on("checkElement",((e,{modelElement:t,viewElement:i})=>{const o=Ae(t,n.getListAttributeNames());i.hasClass("todo-list__label__description")!=o&&(e.return=!0,e.stop())})),n.on("checkElement",((t,{modelElement:i,viewElement:n})=>{const o="todo"==i.getAttribute("listType")&&f(i);let s=!1;const r=e.editing.view.createPositionBefore(n).getWalker({direction:"backward"});for(const{item:t}of r){if(t.is("element")&&e.editing.mapper.toModelElement(t))break;t.is("element","input")&&"checkbox"==t.getAttribute("type")&&(s=!0)}s!=o&&(t.return=!0,t.stop())})),n.on("postFixer",((e,{listNodes:t,writer:i})=>{for(const{node:n,previousNodeInList:o}of t){if(!o)continue;if(o.getAttribute("listItemId")!=n.getAttribute("listItemId"))continue;const t=o.hasAttribute("todoListChecked"),s=n.hasAttribute("todoListChecked");s&&!t?(i.removeAttribute("todoListChecked",n),e.return=!0):!s&&t&&(i.setAttribute("todoListChecked",!0,n),e.return=!0)}})),t.document.registerPostFixer((e=>{const i=t.document.differ.getChanges();let n=!1;for(const t of i)if("attribute"==t.type&&"listType"==t.attributeKey){const i=t.range.start.nodeAfter;"todo"==t.attributeOldValue&&i.hasAttribute("todoListChecked")&&(e.removeAttribute("todoListChecked",i),n=!0)}else if("insert"==t.type&&"$text"!=t.name)for(const{item:i}of e.createRangeOn(t.position.nodeAfter))i.is("element")&&"todo"!=i.getAttribute("listType")&&i.hasAttribute("todoListChecked")&&(e.removeAttribute("todoListChecked",i),n=!0);return n})),this.listenTo(i.view.document,"keydown",((t,i)=>{(0,r.Cq)(i)===ye&&(e.execute("checkTodoList"),t.stop())}),{priority:"high"}),this.listenTo(i.view.document,"todoCheckboxChange",((e,t)=>{const n=t.target;if(!n||!n.is("element","input"))return;const o=i.view.createPositionAfter(n),s=i.mapper.toModelPosition(o).parent;s&&h(s)&&"todo"==s.getAttribute("listType")&&this._handleCheckmarkChange(s)})),this.listenTo(i.view.document,"arrowKey",function(e,t){return(i,n)=>{const o=(0,r.mA)(n.keyCode,t.contentLanguageDirection),s=e.schema,a=e.document.selection;if(!a.isCollapsed)return;const l=a.getFirstPosition(),c=l.parent;if("right"==o&&l.isAtEnd){const t=s.getNearestSelectionRange(e.createPositionAfter(c),"forward");if(!t)return;const o=t.start.parent;o&&h(o)&&"todo"==o.getAttribute("listType")&&(e.change((e=>e.setSelection(t))),n.preventDefault(),n.stopPropagation(),i.stop())}else if("left"==o&&l.isAtStart&&h(c)&&"todo"==c.getAttribute("listType")){const t=s.getNearestSelectionRange(e.createPositionBefore(c),"backward");if(!t)return;e.change((e=>e.setSelection(t))),n.preventDefault(),n.stopPropagation(),i.stop()}}}(t,e.locale),{context:"$text"}),this.listenTo(i.mapper,"viewToModelPosition",((e,i)=>{const n=i.viewPosition.parent,o=n.is("attributeElement","li")&&0==i.viewPosition.offset,s=Ee(n)&&i.viewPosition.offset<=1,r=n.is("element","span")&&"false"==n.getAttribute("contenteditable")&&Ee(n.parent);if(!o&&!s&&!r)return;const a=i.modelPosition.nodeAfter;a&&"todo"==a.getAttribute("listType")&&(i.modelPosition=t.createPositionAt(a,0))}),{priority:"low"})}_handleCheckmarkChange(e){const t=this.editor,i=t.model,n=Array.from(i.document.selection.getRanges());i.change((i=>{i.setSelection(e,"end"),t.execute("checkTodoList"),i.setSelection(n)}))}}function Ce(e){const t=new B.xO(e);return(e,i,n)=>{const o=t.match(i.viewItem);o&&n.consumable.consume(i.viewItem,o.match)&&Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor))}}function Ae(e,t){return(e.is("element","paragraph")||e.is("element","listItem"))&&"todo"==e.getAttribute("listType")&&f(e)&&function(e,t){for(const i of e.getAttributeKeys())if(!i.startsWith("selection:")&&!t.includes(i))return!1;return!0}(e,t)}function Ee(e){return!!e&&e.is("attributeElement")&&e.hasClass("todo-list__label")}class xe extends n.Sy{static get pluginName(){return"TodoListUI"}init(){const e=this.editor.t;Y(this.editor,"todoList",e("To-do List"),n.icons.todoList)}}class Te extends n.Sy{static get requires(){return[ke,xe]}static get pluginName(){return"TodoList"}}class Se extends n.mY{constructor(e,t){super(e),this.type=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,i=t.document,n=Array.from(i.selection.getSelectedBlocks()).filter((e=>Ie(e,t.schema))),o=void 0!==e.forceValue?!e.forceValue:this.value;t.change((e=>{if(o){let t=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;t&&"listItem"==t.name&&0!==t.getAttribute("listIndent");){const e=t.getAttribute("listIndent");e=i;)s>o.getAttribute("listIndent")&&(s=o.getAttribute("listIndent")),o.getAttribute("listIndent")==s&&e[t?"unshift":"push"](o),o=o[t?"previousSibling":"nextSibling"]}}function Ie(e,t){return t.checkChild(e.parent,"listItem")&&!t.isObject(e)}class Ve extends n.mY{constructor(e,t){super(e),this._indentBy="forward"==t?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=e.document;let i=Array.from(t.selection.getSelectedBlocks());e.change((e=>{const t=i[i.length-1];let n=t.nextSibling;for(;n&&"listItem"==n.name&&n.getAttribute("listIndent")>t.getAttribute("listIndent");)i.push(n),n=n.nextSibling;this._indentBy<0&&(i=i.reverse());for(const t of i){const i=t.getAttribute("listIndent")+this._indentBy;i<0?e.rename(t,"paragraph"):e.setAttribute("listIndent",i,t)}this.fire("_executeCleanup",i)}))}_checkEnabled(){const e=(0,r.Ps)(this.editor.model.document.selection.getSelectedBlocks());if(!e||!e.is("element","listItem"))return!1;if(this._indentBy>0){const t=e.getAttribute("listIndent"),i=e.getAttribute("listType");let n=e.previousSibling;for(;n&&n.is("element","listItem")&&n.getAttribute("listIndent")>=t;){if(n.getAttribute("listIndent")==t)return n.getAttribute("listType")==i;n=n.previousSibling}return!1}return!0}}function Re(e,t){const i=t.mapper,n=t.writer,o="numbered"==e.getAttribute("listType")?"ol":"ul",s=function(e){const t=e.createContainerElement("li");return t.getFillerOffset=Ue,t}(n),r=n.createContainerElement(o,null);return 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i=e.change((e=>e.createPositionAt(t,0)));return[...Ne(i,"backward"),...Ne(i,"forward")]})).flat();return t=[...new Set(t)],t}const ze=["disc","circle","square"],We=["decimal","decimal-leading-zero","lower-roman","upper-roman","lower-latin","upper-latin"];function He(e){return ze.includes(e)?"bulleted":We.includes(e)?"numbered":null}function Ue(){const e=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||e?0:B.YG.call(this)}class je extends n.Sy{static get pluginName(){return"LegacyListUtils"}getListTypeFromListStyleType(e){return He(e)}getSelectedListItems(e){return Fe(e)}getSiblingNodes(e,t){return Ne(e,t)}}function $e(e){return(t,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;o.consume(i.item,"insert"),o.consume(i.item,"attribute:listType"),o.consume(i.item,"attribute:listIndent");const s=i.item;Oe(s,Re(s,n),n,e)}}const Ze=(e,t,i)=>{if(!i.consumable.test(t.item,e.name))return;const n=i.mapper.toViewElement(t.item),o=i.writer;o.breakContainer(o.createPositionBefore(n)),o.breakContainer(o.createPositionAfter(n));const s=n.parent,r="numbered"==t.attributeNewValue?"ol":"ul";o.rename(r,s)},qe=(e,t,i)=>{i.consumable.consume(t.item,e.name);const n=i.mapper.toViewElement(t.item).parent,o=i.writer;Be(o,n,n.nextSibling),Be(o,n.previousSibling,n)},Ke=(e,t,i)=>{if(i.consumable.test(t.item,e.name)&&"listItem"!=t.item.name){let e=i.mapper.toViewPosition(t.range.start);const n=i.writer,o=[];for(;("ul"==e.parent.name||"ol"==e.parent.name)&&(e=n.breakContainer(e),"li"==e.parent.name);){const t=e,i=n.createPositionAt(e.parent,"end");if(!t.isEqual(i)){const e=n.remove(n.createRange(t,i));o.push(e)}e=n.createPositionAfter(e.parent)}if(o.length>0){for(let t=0;t0){const t=Be(n,i,i.nextSibling);t&&t.parent==i&&e.offset--}}Be(n,e.nodeBefore,e.nodeAfter)}}},Ge=(e,t,i)=>{const n=i.mapper.toViewPosition(t.position),o=n.nodeBefore,s=n.nodeAfter;Be(i.writer,o,s)},Je=(e,t,i)=>{if(i.consumable.consume(t.viewItem,{name:!0})){const e=i.writer,n=e.createElement("listItem"),o=function(e){let t=0,i=e.parent;for(;i;){if(i.is("element","li"))t++;else{const e=i.previousSibling;e&&e.is("element","li")&&t++}i=i.parent}return t}(t.viewItem);e.setAttribute("listIndent",o,n);const s=t.viewItem.parent&&"ol"==t.viewItem.parent.name?"numbered":"bulleted";if(e.setAttribute("listType",s,n),!i.safeInsert(n,t.modelCursor))return;const r=function(e,t,i){const{writer:n,schema:o}=i;let s=n.createPositionAfter(e);for(const r of t)if("ul"==r.name||"ol"==r.name)s=i.convertItem(r,s).modelCursor;else{const t=i.convertItem(r,n.createPositionAt(e,"end")),a=t.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(e,a.name)&&(e=t.modelCursor.parent.is("element","listItem")?t.modelCursor.parent:tt(t.modelCursor),s=n.createPositionAfter(e))}return s}(n,t.viewItem.getChildren(),i);t.modelRange=e.createRange(t.modelCursor,r),i.updateConversionResult(n,t)}},Ye=(e,t,i)=>{if(i.consumable.test(t.viewItem,{name:!0})){const e=Array.from(t.viewItem.getChildren());for(const t of e)!t.is("element","li")&&!nt(t)&&t._remove()}},Qe=(e,t,i)=>{if(i.consumable.test(t.viewItem,{name:!0})){if(0===t.viewItem.childCount)return;const e=[...t.viewItem.getChildren()];let i=!1;for(const t of e)i&&!nt(t)&&t._remove(),nt(t)&&(i=!0)}};function Xe(e){return(t,i)=>{if(i.isPhantom)return;const n=i.modelPosition.nodeBefore;if(n&&n.is("element","listItem")){const t=i.mapper.toViewElement(n),o=t.getAncestors().find(nt),s=e.createPositionAt(t,0).getWalker();for(const e of s){if("elementStart"==e.type&&e.item.is("element","li")){i.viewPosition=e.previousPosition;break}if("elementEnd"==e.type&&e.item==o){i.viewPosition=e.nextPosition;break}}}}}const et=function(e,[t,i]){let n,o=t.is("documentFragment")?t.getChild(0):t;if(n=i?this.createSelection(i):this.document.selection,o&&o.is("element","listItem")){const e=n.getFirstPosition();let t=null;if(e.parent.is("element","listItem")?t=e.parent:e.nodeBefore&&e.nodeBefore.is("element","listItem")&&(t=e.nodeBefore),t){const e=t.getAttribute("listIndent");if(e>0)for(;o&&o.is("element","listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+e),o=o.nextSibling}}};function tt(e){const t=new B.Po({startPosition:e});let i;do{i=t.next()}while(!i.value.item.is("element","listItem"));return i.value.item}function it(e,t,i,n,o,s){const r=Le(t.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:e}),a=o.mapper,l=o.writer,c=r?r.getAttribute("listIndent"):null;let d;if(r)if(c==e){const e=a.toViewElement(r).parent;d=l.createPositionAfter(e)}else{const e=s.createPositionAt(r,"end");d=a.toViewPosition(e)}else d=i;d=Me(d);for(const e 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i=n.position.nodeAfter;i.hasAttribute("listIndent")&&(t.removeAttribute("listIndent",i),o=!0),i.hasAttribute("listType")&&(t.removeAttribute("listType",i),o=!0),i.hasAttribute("listStyle")&&(t.removeAttribute("listStyle",i),o=!0),i.hasAttribute("listReversed")&&(t.removeAttribute("listReversed",i),o=!0),i.hasAttribute("listStart")&&(t.removeAttribute("listStart",i),o=!0);for(const t of Array.from(e.createRangeIn(i)).filter((e=>e.item.is("element","listItem"))))s(t.previousPosition)}s(n.position.getShiftedBy(n.length))}else"remove"==n.type&&"listItem"==n.name?s(n.position):("attribute"==n.type&&"listIndent"==n.attributeKey||"attribute"==n.type&&"listType"==n.attributeKey)&&s(n.range.start);for(const e of n.values())r(e),a(e);return o;function s(e){const t=e.nodeBefore;if(t&&t.is("element","listItem")){let e=t;if(n.has(e))return;for(let t=e.previousSibling;t&&t.is("element","listItem");t=e.previousSibling)if(e=t,n.has(e))return;n.set(t,e)}else{const t=e.nodeAfter;t&&t.is("element","listItem")&&n.set(t,t)}}function r(e){let i=0,n=null;for(;e&&e.is("element","listItem");){const s=e.getAttribute("listIndent");if(s>i){let r;null===n?(n=s-i,r=i):(n>s&&(n=s),r=s-n),t.setAttribute("listIndent",r,e),o=!0}else n=null,i=e.getAttribute("listIndent")+1;e=e.nextSibling}}function a(e){let i=[],n=null;for(;e&&e.is("element","listItem");){const s=e.getAttribute("listIndent");if(n&&n.getAttribute("listIndent")>s&&(i=i.slice(0,s+1)),0!=s)if(i[s]){const n=i[s];e.getAttribute("listType")!=n&&(t.setAttribute("listType",n,e),o=!0)}else i[s]=e.getAttribute("listType");n=e,e=e.nextSibling}}}(e.model,t))),i.mapper.registerViewToModelLength("li",st),t.mapper.registerViewToModelLength("li",st),i.mapper.on("modelToViewPosition",Xe(i.view)),i.mapper.on("viewToModelPosition",(n=e.model,(e,t)=>{const i=t.viewPosition,o=i.parent,s=t.mapper;if("ul"==o.name||"ol"==o.name){if(i.isAtEnd){const e=s.toModelElement(i.nodeBefore),o=s.getModelLength(i.nodeBefore);t.modelPosition=n.createPositionBefore(e).getShiftedBy(o)}else{const e=s.toModelElement(i.nodeAfter);t.modelPosition=n.createPositionBefore(e)}e.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const r=s.toModelElement(o);let a=1,l=i.nodeBefore;for(;l&&nt(l);)a+=s.getModelLength(l),l=l.previousSibling;t.modelPosition=n.createPositionBefore(r).getShiftedBy(a),e.stop()}})),t.mapper.on("modelToViewPosition",Xe(i.view)),e.conversion.for("editingDowncast").add((t=>{t.on("insert",Ke,{priority:"high"}),t.on("insert:listItem",$e(e.model)),t.on("attribute:listType:listItem",Ze,{priority:"high"}),t.on("attribute:listType:listItem",qe,{priority:"low"}),t.on("attribute:listIndent:listItem",function(e){return(t,i,n)=>{if(!n.consumable.consume(i.item,"attribute:listIndent"))return;const o=n.mapper.toViewElement(i.item),s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,l=s.createRangeOn(r);s.remove(l),a&&a.nextSibling&&Be(s,a,a.nextSibling),it(i.attributeOldValue+1,i.range.start,l.start,o,n,e),Oe(i.item,o,n,e);for(const e of i.item.getChildren())n.consumable.consume(e,"insert")}}(e.model)),t.on("remove:listItem",function(e){return(t,i,n)=>{const o=n.mapper.toViewPosition(i.position).getLastMatchingPosition((e=>!e.item.is("element","li"))).nodeAfter,s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,l=s.createRangeOn(r),c=s.remove(l);a&&a.nextSibling&&Be(s,a,a.nextSibling),it(n.mapper.toModelElement(o).getAttribute("listIndent")+1,i.position,l.start,o,n,e);for(const e of s.createRangeIn(c).getItems())n.mapper.unbindViewElement(e);t.stop()}}(e.model)),t.on("remove",Ge,{priority:"low"})})),e.conversion.for("dataDowncast").add((t=>{t.on("insert",Ke,{priority:"high"}),t.on("insert:listItem",$e(e.model))})),e.conversion.for("upcast").add((e=>{e.on("element:ul",Ye,{priority:"high"}),e.on("element:ol",Ye,{priority:"high"}),e.on("element:li",Qe,{priority:"high"}),e.on("element:li",Je)})),e.model.on("insertContent",et,{priority:"high"}),e.commands.add("numberedList",new Se(e,"numbered")),e.commands.add("bulletedList",new Se(e,"bulleted")),e.commands.add("indentList",new Ve(e,"forward")),e.commands.add("outdentList",new Ve(e,"backward"));const o=i.view.document;this.listenTo(o,"enter",((e,t)=>{const i=this.editor.model.document,n=i.selection.getLastPosition().parent;i.selection.isCollapsed&&"listItem"==n.name&&n.isEmpty&&(this.editor.execute("outdentList"),t.preventDefault(),e.stop())}),{context:"li"}),this.listenTo(o,"delete",((e,t)=>{if("backward"!==t.direction)return;const i=this.editor.model.document.selection;if(!i.isCollapsed)return;const n=i.getFirstPosition();if(!n.isAtStart)return;const o=n.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),t.preventDefault(),e.stop()))}),{context:"li"}),this.listenTo(e.editing.view.document,"tab",((t,i)=>{const n=i.shiftKey?"outdentList":"indentList";this.editor.commands.get(n).isEnabled&&(e.execute(n),i.stopPropagation(),i.preventDefault(),t.stop())}),{context:"li"})}afterInit(){const e=this.editor.commands,t=e.get("indent"),i=e.get("outdent");t&&t.registerChildCommand(e.get("indentList")),i&&i.registerChildCommand(e.get("outdentList"))}}function st(e){let t=1;for(const i of e.getChildren())if("ul"==i.name||"ol"==i.name)for(const e of i.getChildren())t+=st(e);return t}class rt extends n.Sy{static get requires(){return[ot,Q]}static get pluginName(){return"LegacyList"}}class at extends n.mY{constructor(e,t){super(e),this.defaultType=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){this._tryToConvertItemsToList(e);const t=this.editor.model,i=Fe(t);i.length&&t.change((t=>{for(const n of i)t.setAttribute("listStyle",e.type||this.defaultType,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")?e.getAttribute("listStyle"):null}_checkEnabled(){const e=this.editor,t=e.commands.get("numberedList"),i=e.commands.get("bulletedList");return t.isEnabled||i.isEnabled}_tryToConvertItemsToList(e){if(!e.type)return;const t=He(e.type);if(!t)return;const i=this.editor,n=`${t}List`;i.commands.get(n).value||i.execute(n)}}class lt extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute(e={}){const t=this.editor.model,i=Fe(t).filter((e=>"numbered"==e.getAttribute("listType")));t.change((t=>{for(const n of i)t.setAttribute("listReversed",!!e.reversed,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")&&"numbered"==e.getAttribute("listType")?e.getAttribute("listReversed"):null}}class ct extends n.mY{refresh(){const e=this._getValue();this.value=e,this.isEnabled=null!=e}execute({startIndex:e=1}={}){const t=this.editor.model,i=Fe(t).filter((e=>"numbered"==e.getAttribute("listType")));t.change((t=>{for(const n of i)t.setAttribute("listStart",e>=0?e:1,n)}))}_getValue(){const e=this.editor.model.document.selection.getFirstPosition().parent;return e&&e.is("element","listItem")&&"numbered"==e.getAttribute("listType")?e.getAttribute("listStart"):null}}const dt="default";class ht extends n.Sy{static get requires(){return[ot]}static get pluginName(){return"LegacyListPropertiesEditing"}constructor(e){super(e),e.config.define("list",{properties:{styles:!0,startIndex:!1,reversed:!1}})}init(){const e=this.editor,t=e.model,i=function(e){const t=[];return e.styles&&t.push({attributeName:"listStyle",defaultValue:dt,addCommand(e){e.commands.add("listStyle",new at(e,dt))},appliesToListItem:()=>!0,setAttributeOnDowncast(e,t,i){t&&t!==dt?e.setStyle("list-style-type",t,i):e.removeStyle("list-style-type",i)},getAttributeOnUpcast:e=>e.getStyle("list-style-type")||dt}),e.reversed&&t.push({attributeName:"listReversed",defaultValue:!1,addCommand(e){e.commands.add("listReversed",new lt(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),setAttributeOnDowncast(e,t,i){t?e.setAttribute("reversed","reversed",i):e.removeAttribute("reversed",i)},getAttributeOnUpcast:e=>e.hasAttribute("reversed")}),e.startIndex&&t.push({attributeName:"listStart",defaultValue:1,addCommand(e){e.commands.add("listStart",new ct(e))},appliesToListItem:e=>"numbered"==e.getAttribute("listType"),setAttributeOnDowncast(e,t,i){0==t||t>1?e.setAttribute("start",t,i):e.removeAttribute("start",i)},getAttributeOnUpcast(e){const t=e.getAttribute("start");return t>=0?t:1}}),t}(e.config.get("list.properties"));t.schema.extend("listItem",{allowAttributes:i.map((e=>e.attributeName))});for(const t of i)t.addCommand(e);var n;this.listenTo(e.commands.get("indentList"),"_executeCleanup",function(e,t){return(i,n)=>{const o=n[0],s=o.getAttribute("listIndent"),r=n.filter((e=>e.getAttribute("listIndent")===s));let a=null;o.previousSibling.getAttribute("listIndent")+1!==s&&(a=Le(o.previousSibling,{sameIndent:!0,direction:"backward",listIndent:s})),e.model.change((e=>{for(const i of r)for(const n of t)if(n.appliesToListItem(i)){const t=null==a?n.defaultValue:a.getAttribute(n.attributeName);e.setAttribute(n.attributeName,t,i)}}))}}(e,i)),this.listenTo(e.commands.get("outdentList"),"_executeCleanup",function(e,t){return(i,n)=>{if(!(n=n.reverse().filter((e=>e.is("element","listItem")))).length)return;const o=n[0].getAttribute("listIndent"),s=n[0].getAttribute("listType");let r=n[0].previousSibling;if(r.is("element","listItem"))for(;r.getAttribute("listIndent")!==o;)r=r.previousSibling;else r=null;r||(r=n[n.length-1].nextSibling),r&&r.is("element","listItem")&&r.getAttribute("listType")===s&&e.model.change((e=>{const i=n.filter((e=>e.getAttribute("listIndent")===o));for(const n of i)for(const i of t)if(i.appliesToListItem(n)){const t=i.attributeName,o=r.getAttribute(t);e.setAttribute(t,o,n)}}))}}(e,i)),this.listenTo(e.commands.get("bulletedList"),"_executeCleanup",gt(e)),this.listenTo(e.commands.get("numberedList"),"_executeCleanup",gt(e)),t.document.registerPostFixer(function(e,t){return i=>{let n=!1;const o=ft(e.model.document.differ.getChanges()).filter((e=>"todo"!==e.getAttribute("listType")));if(!o.length)return n;let s=o[o.length-1].nextSibling;if((!s||!s.is("element","listItem"))&&(s=o[0].previousSibling,s)){const e=o[0].getAttribute("listIndent");for(;s.is("element","listItem")&&s.getAttribute("listIndent")!==e&&(s=s.previousSibling,s););}for(const e of t){const t=e.attributeName;for(const r of o)if(e.appliesToListItem(r))if(r.hasAttribute(t)){const o=r.previousSibling;mt(o,r,e.attributeName)&&(i.setAttribute(t,o.getAttribute(t),r),n=!0)}else ut(s,r,e)?i.setAttribute(t,s.getAttribute(t),r):i.setAttribute(t,e.defaultValue,r),n=!0;else i.removeAttribute(t,r)}return n}}(e,i)),e.conversion.for("upcast").add((n=i,e=>{e.on("element:li",((e,t,i)=>{if(!t.modelRange)return;const o=t.viewItem.parent,s=t.modelRange.start.nodeAfter||t.modelRange.end.nodeBefore;for(const e of n)if(e.appliesToListItem(s)){const t=e.getAttributeOnUpcast(o);i.writer.setAttribute(e.attributeName,t,s)}}),{priority:"low"})})),e.conversion.for("downcast").add(function(e){return t=>{for(const i of e)t.on(`attribute:${i.attributeName}:listItem`,((e,t,n)=>{const o=n.writer,s=t.item,r=Le(s.previousSibling,{sameIndent:!0,listIndent:s.getAttribute("listIndent"),direction:"backward"}),a=n.mapper.toViewElement(s);var l,c;l=s,(c=r)&&l.getAttribute("listType")===c.getAttribute("listType")&&l.getAttribute("listIndent")===c.getAttribute("listIndent")&&l.getAttribute("listStyle")===c.getAttribute("listStyle")&&l.getAttribute("listReversed")===c.getAttribute("listReversed")&&l.getAttribute("listStart")===c.getAttribute("listStart")||o.breakContainer(o.createPositionBefore(a)),i.setAttributeOnDowncast(o,t.attributeNewValue,a.parent)}),{priority:"low"})}}(i)),this._mergeListAttributesWhileMergingLists(i)}afterInit(){const e=this.editor;e.commands.get("todoList")&&e.model.document.registerPostFixer(function(e){return t=>{const i=ft(e.model.document.differ.getChanges()).filter((e=>"todo"===e.getAttribute("listType")&&(e.hasAttribute("listStyle")||e.hasAttribute("listReversed")||e.hasAttribute("listStart"))));if(!i.length)return!1;for(const e of i)t.removeAttribute("listStyle",e),t.removeAttribute("listReversed",e),t.removeAttribute("listStart",e);return!0}}(e))}_mergeListAttributesWhileMergingLists(e){const t=this.editor.model;let i;this.listenTo(t,"deleteContent",((e,[t])=>{const n=t.getFirstPosition(),o=t.getLastPosition();if(n.parent===o.parent)return;if(!n.parent.is("element","listItem"))return;const s=o.parent.nextSibling;if(!s||!s.is("element","listItem"))return;const r=Le(n.parent,{sameIndent:!0,listIndent:s.getAttribute("listIndent")});r&&r.getAttribute("listType")===s.getAttribute("listType")&&(i=r)}),{priority:"high"}),this.listenTo(t,"deleteContent",(()=>{i&&(t.change((t=>{const n=Le(i.nextSibling,{sameIndent:!0,listIndent:i.getAttribute("listIndent"),direction:"forward"});if(!n)return void(i=null);const o=[n,...Ne(t.createPositionAt(n,0),"forward")];for(const n of o)for(const o of e)if(o.appliesToListItem(n)){const e=o.attributeName,s=i.getAttribute(e);t.setAttribute(e,s,n)}})),i=null)}),{priority:"low"})}}function ut(e,t,i){if(!e)return!1;const n=e.getAttribute(i.attributeName);return!!n&&n!=i.defaultValue&&e.getAttribute("listType")===t.getAttribute("listType")}function mt(e,t,i){if(!e||!e.is("element","listItem"))return!1;if(t.getAttribute("listType")!==e.getAttribute("listType"))return!1;const n=e.getAttribute("listIndent");if(n<1||n!==t.getAttribute("listIndent"))return!1;const o=e.getAttribute(i);return!(!o||o===t.getAttribute(i))}function gt(e){return(t,i)=>{i=i.filter((e=>e.is("element","listItem"))),e.model.change((e=>{for(const t of i)e.removeAttribute("listStyle",t)}))}}function ft(e){const t=[];for(const i of e){const e=pt(i);e&&e.is("element","listItem")&&t.push(e)}return t}function pt(e){return"attribute"===e.type?e.range.start.nodeAfter:"insert"===e.type?e.position.nodeAfter:null}class bt extends n.Sy{static get requires(){return[ht,pe]}static get pluginName(){return"LegacyListProperties"}}const wt="todoListChecked";class vt extends n.mY{constructor(e){super(e),this._selectedElements=[],this.on("execute",(()=>{this.refresh()}),{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every((e=>!!e.getAttribute(wt))),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const e=this.editor.model,t=e.schema,i=e.document.selection.getFirstRange(),n=i.start.parent,o=[];t.checkAttribute(n,wt)&&o.push(n);for(const e of i.getItems())t.checkAttribute(e,wt)&&!o.includes(e)&&o.push(e);return o}execute(e={}){this.editor.model.change((t=>{for(const i of this._selectedElements)(void 0===e.forceValue?!this.value:e.forceValue)?t.setAttribute(wt,!0,i):t.removeAttribute(wt,i)}))}}const _t=(e,t,i)=>{const n=t.modelCursor,o=n.parent,s=t.viewItem;if("checkbox"!=s.getAttribute("type")||"listItem"!=o.name||!n.isAtStart)return;if(!i.consumable.consume(s,{name:!0}))return;const r=i.writer;r.setAttribute("listType","todo",o),t.viewItem.hasAttribute("checked")&&r.setAttribute("todoListChecked",!0,o),t.modelRange=r.createRange(n)};function yt(e){return(t,i)=>{const n=i.modelPosition,o=n.parent;if(!o.is("element","listItem")||"todo"!=o.getAttribute("listType"))return;const s=Ct(i.mapper.toViewElement(o),e);s&&(i.viewPosition=i.mapper.findPositionIn(s,n.offset))}}function kt(e,t,i,n){return t.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(t){const o=(0,r.az)(document,"input",{type:"checkbox",tabindex:"-1"});i&&o.setAttribute("checked","checked"),o.addEventListener("change",(()=>n(e)));const s=this.toDomElement(t);return s.appendChild(o),s}))}function Ct(e,t){const i=t.createRangeIn(e);for(const e of i)if(e.item.is("containerElement","span")&&e.item.hasClass("todo-list__label__description"))return e.item}const At=(0,r.Zz)("Ctrl+Enter");class Et extends n.Sy{static get pluginName(){return"LegacyTodoListEditing"}static get requires(){return[ot]}init(){const e=this.editor,{editing:t,data:i,model:n}=e;n.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),n.schema.addAttributeCheck(((e,t)=>{const i=e.last;if("todoListChecked"==t&&"listItem"==i.name&&"todo"!=i.getAttribute("listType"))return!1})),e.commands.add("todoList",new Se(e,"todo"));const o=new vt(e);var s,a;e.commands.add("checkTodoList",o),e.commands.add("todoListCheck",o),i.downcastDispatcher.on("insert:listItem",function(e){return(t,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;if("todo"!=i.item.getAttribute("listType"))return;const s=i.item;o.consume(s,"insert"),o.consume(s,"attribute:listType"),o.consume(s,"attribute:listIndent"),o.consume(s,"attribute:todoListChecked");const r=n.writer,a=Re(s,n);r.addClass("todo-list",a.parent);const l=r.createContainerElement("label",{class:"todo-list__label"}),c=r.createEmptyElement("input",{type:"checkbox",disabled:"disabled"}),d=r.createContainerElement("span",{class:"todo-list__label__description"});s.getAttribute("todoListChecked")&&r.setAttribute("checked","checked",c),r.insert(r.createPositionAt(a,0),l),r.insert(r.createPositionAt(l,0),c),r.insert(r.createPositionAfter(c),d),Oe(s,a,n,e)}}(n),{priority:"high"}),i.upcastDispatcher.on("element:input",_t,{priority:"high"}),t.downcastDispatcher.on("insert:listItem",function(e,t){return(i,n,o)=>{const s=o.consumable;if(!s.test(n.item,"insert")||!s.test(n.item,"attribute:listType")||!s.test(n.item,"attribute:listIndent"))return;if("todo"!=n.item.getAttribute("listType"))return;const r=n.item;s.consume(r,"insert"),s.consume(r,"attribute:listType"),s.consume(r,"attribute:listIndent"),s.consume(r,"attribute:todoListChecked");const a=o.writer,l=Re(r,o),c=!!r.getAttribute("todoListChecked"),d=kt(r,a,c,t),h=a.createContainerElement("span",{class:"todo-list__label__description"});a.addClass("todo-list",l.parent),a.insert(a.createPositionAt(l,0),d),a.insert(a.createPositionAfter(d),h),Oe(r,l,o,e)}}(n,(e=>this._handleCheckmarkChange(e))),{priority:"high"}),t.downcastDispatcher.on("attribute:listType:listItem",(s=e=>this._handleCheckmarkChange(e),a=t.view,(e,t,i)=>{if(!i.consumable.consume(t.item,e.name))return;const n=i.mapper.toViewElement(t.item),o=i.writer,r=function(e,t){const i=t.createRangeIn(e);for(const e of i)if(e.item.is("uiElement","label"))return e.item}(n,a);if("todo"==t.attributeNewValue){const e=!!t.item.getAttribute("todoListChecked"),i=kt(t.item,o,e,s),r=o.createContainerElement("span",{class:"todo-list__label__description"}),a=o.createRangeIn(n),l=De(n),c=Me(a.start),d=l?o.createPositionBefore(l):a.end,h=o.createRange(c,d);o.addClass("todo-list",n.parent),o.move(h,o.createPositionAt(r,0)),o.insert(o.createPositionAt(n,0),i),o.insert(o.createPositionAfter(i),r)}else if("todo"==t.attributeOldValue){const e=Ct(n,a);o.removeClass("todo-list",n.parent),o.remove(r),o.move(o.createRangeIn(e),o.createPositionBefore(e)),o.remove(e)}})),t.downcastDispatcher.on("attribute:todoListChecked:listItem",function(e){return(t,i,n)=>{if("todo"!=i.item.getAttribute("listType"))return;if(!n.consumable.consume(i.item,"attribute:todoListChecked"))return;const{mapper:o,writer:s}=n,r=!!i.item.getAttribute("todoListChecked"),a=o.toViewElement(i.item).getChild(0),l=kt(i.item,s,r,e);s.insert(s.createPositionAfter(a),l),s.remove(a)}}((e=>this._handleCheckmarkChange(e)))),t.mapper.on("modelToViewPosition",yt(t.view)),i.mapper.on("modelToViewPosition",yt(t.view)),this.listenTo(t.view.document,"arrowKey",function(e,t){return(i,n)=>{if("left"!=(0,r.mA)(n.keyCode,t.contentLanguageDirection))return;const o=e.schema,s=e.document.selection;if(!s.isCollapsed)return;const a=s.getFirstPosition(),l=a.parent;if("listItem"===l.name&&"todo"==l.getAttribute("listType")&&a.isAtStart){const t=o.getNearestSelectionRange(e.createPositionBefore(l),"backward");t&&e.change((e=>e.setSelection(t))),n.preventDefault(),n.stopPropagation(),i.stop()}}}(n,e.locale),{context:"li"}),this.listenTo(t.view.document,"keydown",((t,i)=>{(0,r.Cq)(i)===At&&(e.execute("checkTodoList"),t.stop())}),{priority:"high"});const l=new Set;this.listenTo(n,"applyOperation",((e,t)=>{const i=t[0];if("rename"==i.type&&"listItem"==i.oldName){const e=i.position.nodeAfter;e.hasAttribute("todoListChecked")&&l.add(e)}else if("changeAttribute"==i.type&&"listType"==i.key&&"todo"===i.oldValue)for(const e of i.range.getItems())e.hasAttribute("todoListChecked")&&"todo"!==e.getAttribute("listType")&&l.add(e)})),n.document.registerPostFixer((e=>{let t=!1;for(const i of l)e.removeAttribute("todoListChecked",i),t=!0;return l.clear(),t}))}_handleCheckmarkChange(e){const t=this.editor,i=t.model,n=Array.from(i.document.selection.getRanges());i.change((i=>{i.setSelection(e,"end"),t.execute("checkTodoList"),i.setSelection(n)}))}}class xt extends n.Sy{static get requires(){return[Et,xe]}static get pluginName(){return"LegacyTodoList"}}class Tt extends n.Sy{static get pluginName(){return"AdjacentListsSupport"}init(){const e=this.editor;e.model.schema.register("listSeparator",{allowWhere:"$block",isBlock:!0}),e.conversion.for("upcast").add((e=>{e.on("element:ol",St()),e.on("element:ul",St())})).elementToElement({model:"listSeparator",view:"ck-list-separator"}),e.conversion.for("editingDowncast").elementToElement({model:"listSeparator",view:{name:"div",classes:["ck-list-separator","ck-hidden"]}}),e.conversion.for("dataDowncast").elementToElement({model:"listSeparator",view:(e,t)=>{const i=t.writer.createContainerElement("ck-list-separator");return t.writer.setCustomProperty("dataPipeline:transparentRendering",!0,i),i.getFillerOffset=()=>null,i}})}}function St(){return(e,t,i)=>{const n=t.viewItem,o=n.nextSibling;if(!o)return;if(n.name!==o.name)return;t.modelRange||Object.assign(t,i.convertChildren(t.viewItem,t.modelCursor));const s=i.writer,r=s.createElement("listSeparator");if(!i.safeInsert(r,t.modelCursor))return;const a=i.getSplitParts(r);t.modelRange=s.createRange(t.modelRange.start,s.createPositionAfter(a[a.length-1])),i.updateConversionResult(r,t)}}class Pt extends n.Sy{static get requires(){return[X]}static get pluginName(){return"DocumentList"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-documentlist",{pluginName:"DocumentList"})}}class It extends n.Sy{static get requires(){return[we]}static get pluginName(){return"DocumentListProperties"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-documentlistproperties",{pluginName:"DocumentListProperties"})}}class Vt extends n.Sy{static get requires(){return[Te]}static get pluginName(){return"TodoDocumentList"}constructor(e){super(e),(0,r.KE)("plugin-obsolete-tododocumentlist",{pluginName:"TodoDocumentList"})}}},174:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Mention:()=>S,MentionEditing:()=>r,MentionUI:()=>y});var n=i(7050),o=i(5608);class s extends n.mY{constructor(e){super(e),this._isEnabledBasedOnSelection=!1}refresh(){const e=this.editor.model,t=e.document;this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"mention")}execute(e){const t=this.editor.model,i=t.document.selection,n="string"==typeof e.mention?{id:e.mention}:e.mention,s=n.id,r=e.range||i.getFirstRange();if(!t.canEditAt(r))return;const l=e.text||s,c=a({_text:l,id:s},n);if(1!=e.marker.length)throw new o.Bb("mentioncommand-incorrect-marker",this);if(s.charAt(0)!=e.marker)throw new o.Bb("mentioncommand-incorrect-id",this);t.change((e=>{const n=(0,o.qL)(i.getAttributes()),s=new Map(n.entries());s.set("mention",c),t.insertContent(e.createText(l,s),r),t.insertContent(e.createText(" ",n),r.start.getShiftedBy(l.length))}))}}class r extends n.Sy{static get pluginName(){return"MentionEditing"}init(){const e=this.editor,t=e.model,i=t.document;t.schema.extend("$text",{allowAttributes:"mention"}),e.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:e=>l(e)}}),e.conversion.for("downcast").attributeToElement({model:"mention",view:d}),e.conversion.for("downcast").add(c),i.registerPostFixer((e=>function(e,t,i){const n=t.differ.getChanges();let o=!1;for(const t of n){if("attribute"==t.type)continue;const n=t.position;if("$text"==t.name){const t=n.textNode&&n.textNode.nextSibling;o=u(n.textNode,e)||o,o=u(t,e)||o,o=u(n.nodeBefore,e)||o,o=u(n.nodeAfter,e)||o}if("$text"!=t.name&&"insert"==t.type){const t=n.nodeAfter;for(const i of e.createRangeIn(t).getItems())o=u(i,e)||o}if("insert"==t.type&&i.isInline(t.name)){const t=n.nodeAfter&&n.nodeAfter.nextSibling;o=u(n.nodeBefore,e)||o,o=u(t,e)||o}}return o}(e,i,t.schema))),i.registerPostFixer((e=>function(e,t){const i=t.differ.getChanges();let n=!1;for(const t of i)if("attribute"===t.type&&"mention"!=t.attributeKey){const i=t.range.start.nodeBefore,o=t.range.end.nodeAfter;for(const s of[i,o])h(s)&&s.getAttribute(t.attributeKey)!=t.attributeNewValue&&(e.setAttribute(t.attributeKey,t.attributeNewValue,s),n=!0)}return n}(e,i))),i.registerPostFixer((e=>function(e,t){const i=t.selection,n=i.focus;return!!(i.isCollapsed&&i.hasAttribute("mention")&&function(e){const t=e.isAtStart;return e.nodeBefore&&e.nodeBefore.is("$text")||t}(n))&&(e.removeSelectionAttribute("mention"),!0)}(e,i))),e.commands.add("mention",new s(e))}}function a(e,t){return Object.assign({uid:(0,o.hQ)()},e,t||{})}function l(e,t){const i=e.getAttribute("data-mention"),n=e.getChild(0);if(n)return a({id:i,_text:n.data},t)}function c(e){e.on("attribute:mention",((e,t,i)=>{const n=t.attributeNewValue;if(!t.item.is("$textProxy")||!n)return;const o=t.range.start;(o.textNode||o.nodeAfter).data!=n._text&&i.consumable.consume(t.item,e.name)}),{priority:"highest"})}function d(e,{writer:t}){if(!e)return;const i={class:"mention","data-mention":e.id},n={id:e.uid,priority:20};return t.createAttributeElement("span",i,n)}function h(e){return!(!e||!e.is("$text")&&!e.is("$textProxy")||!e.hasAttribute("mention"))&&e.data!=e.getAttribute("mention")._text}function u(e,t){return!!h(e)&&(t.removeAttribute("mention",e),!0)}var m=i(6530),g=i(4663),f=i(6682);class p extends m.Bv{constructor(e){super(e),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const e=this.selected,t=this.items.getIndex(e);this.select(t+1)}selectPrevious(){const e=this.selected,t=this.items.getIndex(e);this.select(t-1)}select(e){let t=0;e>0&&e{i?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))})),this.listenTo(this.domElement,"click",(()=>{this.fire("execute")}))}render(){super.render(),this.element=this.domElement}focus(){this.domElement.focus()}}class w extends m.dn{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}const v=[o.Do.arrowup,o.Do.arrowdown,o.Do.esc],_=[o.Do.enter,o.Do.tab];class y extends n.Sy{static get pluginName(){return"MentionUI"}static get requires(){return[m.WB]}constructor(e){super(e),this._items=new o.FE,this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=(0,f.Z)(this._requestFeed,100),e.config.define("mention",{feeds:[]})}init(){const e=this.editor,t=e.config.get("mention.commitKeys")||_,i=v.concat(t);this._balloon=e.plugins.get(m.WB),e.editing.view.document.on("keydown",((e,n)=>{var s;s=n.keyCode,i.includes(s)&&this._isUIVisible&&(n.preventDefault(),e.stop(),n.keyCode==o.Do.arrowdown&&this._mentionsView.selectNext(),n.keyCode==o.Do.arrowup&&this._mentionsView.selectPrevious(),t.includes(n.keyCode)&&this._mentionsView.executeSelected(),n.keyCode==o.Do.esc&&this._hideUIAndRemoveMarker())}),{priority:"highest"}),(0,m.eC)({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:()=>[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const n=e.config.get("mention.feeds");for(const e of n){const{feed:t,marker:i,dropdownLimit:n}=e;if(!x(i))throw new o.Bb("mentionconfig-incorrect-marker",null,{marker:i});const s={marker:i,feedCallback:"function"==typeof t?t.bind(this.editor):E(t),itemRenderer:e.itemRenderer,dropdownLimit:n};this._mentionsConfigurations.set(i,s)}this._setupTextWatcher(n),this.listenTo(e,"change:isReadOnly",(()=>{this._hideUIAndRemoveMarker()})),this.on("requestFeed:response",((e,t)=>this._handleFeedResponse(t))),this.on("requestFeed:error",(()=>this._hideUIAndRemoveMarker()))}destroy(){super.destroy(),this._mentionsView.destroy()}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const e=this.editor.locale,t=new p(e);return t.items.bindTo(this._items).using((i=>{const{item:n,marker:o}=i,{dropdownLimit:s}=this._mentionsConfigurations.get(o),r=s||this.editor.config.get("mention.dropdownLimit")||10;if(t.items.length>=r)return null;const a=new w(e),l=this._renderItem(n,o);return l.delegate("execute").to(a),a.children.add(l),a.item=n,a.marker=o,a.on("execute",(()=>{t.fire("execute",{item:n,marker:o})})),a})),t.on("execute",((e,t)=>{const i=this.editor,n=i.model,o=t.item,s=t.marker,r=i.model.markers.get("mention"),a=n.createPositionAt(n.document.selection.focus),l=n.createPositionAt(r.getStart()),c=n.createRange(l,a);this._hideUIAndRemoveMarker(),i.execute("mention",{mention:o,text:o.text,marker:s,range:c}),i.editing.view.focus()})),t}_getItemRenderer(e){const{itemRenderer:t}=this._mentionsConfigurations.get(e);return t}_requestFeed(e,t){this._lastRequested=t;const{feedCallback:i}=this._mentionsConfigurations.get(e),n=i(t);n instanceof Promise?n.then((i=>{this._lastRequested==t?this.fire("requestFeed:response",{feed:i,marker:e,feedText:t}):this.fire("requestFeed:discarded",{feed:i,marker:e,feedText:t})})).catch((t=>{this.fire("requestFeed:error",{error:t}),(0,o.KE)("mention-feed-callback-error",{marker:e})})):this.fire("requestFeed:response",{feed:n,marker:e,feedText:t})}_setupTextWatcher(e){const t=this.editor,i=e.map((e=>({...e,pattern:A(e.marker,e.minimumCharacters||0)}))),n=new g.uL(t.model,function(e){return t=>{const i=C(e,t);if(!i)return!1;let n=0;0!==i.position&&(n=i.position-1);const o=t.substring(n);return i.pattern.test(o)}}(i));n.on("matched",((e,n)=>{const o=C(i,n.text),s=t.model.document.selection.focus,r=t.model.createPositionAt(s.parent,o.position);if(function(e){const t=e.textNode&&e.textNode.hasAttribute("mention"),i=e.nodeBefore;return t||i&&i.is("$text")&&i.hasAttribute("mention")}(s)||function(e){const t=e.nodeAfter;return t&&t.is("$text")&&t.hasAttribute("mention")}(r))return void this._hideUIAndRemoveMarker();const a=function(e,t){let i=0;0!==e.position&&(i=e.position-1);const n=A(e.marker,0);return t.substring(i).match(n)[2]}(o,n.text),l=o.marker.length+a.length,c=s.getShiftedBy(-l),d=s.getShiftedBy(-a.length),h=t.model.createRange(c,d);if(T(t)){const e=t.model.markers.get("mention");t.model.change((t=>{t.updateMarker(e,{range:h})}))}else t.model.change((e=>{e.addMarker("mention",{range:h,usingOperation:!1,affectsData:!1})}));this._requestFeedDebounced(o.marker,a)})),n.on("unmatched",(()=>{this._hideUIAndRemoveMarker()}));const o=t.commands.get("mention");return n.bind("isEnabled").to(o),n}_handleFeedResponse(e){const{feed:t,marker:i}=e;if(!T(this.editor))return;this._items.clear();for(const e of t){const t="object"!=typeof e?{id:e,text:e}:e;this._items.add({item:t,marker:i})}const n=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(n):this._hideUIAndRemoveMarker()}_showOrUpdateUI(e){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(e,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(e,this._mentionsView.position),singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),T(this.editor)&&this.editor.model.change((e=>e.removeMarker("mention"))),this._mentionsView.position=void 0}_renderItem(e,t){const i=this.editor;let n,o=e.id;const s=this._getItemRenderer(t);if(s){const t=s(e);"string"!=typeof t?n=new b(i.locale,t):o=t}if(!n){const e=new m.r5(i.locale);e.label=o,e.withText=!0,n=e}return n}_getBalloonPanelPositionData(e,t){const i=this.editor,n=i.editing,s=n.view.domConverter,r=n.mapper;return{target:()=>{let t=e.getRange();"$graveyard"==t.start.root.rootName&&(t=i.model.document.selection.getFirstRange());const n=r.toViewRange(t);return o.UL.getDomRangeRects(s.viewRangeToDom(n)).pop()},limiter:()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},positions:k(t,i.locale.uiLanguageDirection)}}}function k(e,t){const i={caret_se:e=>({top:e.bottom+3,left:e.right,name:"caret_se",config:{withArrow:!1}}),caret_ne:(e,t)=>({top:e.top-t.height-3,left:e.right,name:"caret_ne",config:{withArrow:!1}}),caret_sw:(e,t)=>({top:e.bottom+3,left:e.right-t.width,name:"caret_sw",config:{withArrow:!1}}),caret_nw:(e,t)=>({top:e.top-t.height-3,left:e.right-t.width,name:"caret_nw",config:{withArrow:!1}})};return Object.prototype.hasOwnProperty.call(i,e)?[i[e]]:"rtl"!==t?[i.caret_se,i.caret_sw,i.caret_ne,i.caret_nw]:[i.caret_sw,i.caret_se,i.caret_nw,i.caret_ne]}function C(e,t){let i;for(const n of e){const e=t.lastIndexOf(n.marker);e>0&&!t.substring(e-1).match(n.pattern)||(!i||e>=i.position)&&(i={marker:n.marker,position:e,minimumCharacters:n.minimumCharacters,pattern:n.pattern})}return i}function A(e,t){const i=0==t?"*":`{${t},}`,n=o.OB.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'";return new RegExp(`(?:^|[ ${n}])([${e}])(.${i})$`,"u")}function E(e){return t=>e.filter((e=>("string"==typeof e?e:String(e.id)).toLowerCase().includes(t.toLowerCase())))}function x(e){return e&&1==e.length}function T(e){return e.model.markers.has("mention")}class S extends n.Sy{toMentionAttribute(e,t){return l(e,t)}static get pluginName(){return"Mention"}static get requires(){return[r,y]}}},160:(e,t,i)=>{"use strict";i.r(t),i.d(t,{Paragraph:()=>c,ParagraphButtonUI:()=>u});var 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