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Balint Mero
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Oct 11, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import { BuilderInfo, Components, ExtendedComponentSchema, Utils as FormioUtils } from 'formiojs'; | ||
| import { FormioCustomComponentInfo, FormioCustomElement } from '../formio.common'; | ||
| import { clone, isNil } from 'lodash'; | ||
|
|
||
| const BaseInputComponent = Components.components.input; | ||
| const TextfieldComponent = Components.components.textfield; | ||
|
|
||
| export function createCustomFormioComponent(customComponentOptions: FormioCustomComponentInfo) { | ||
| return class CustomComponent extends BaseInputComponent { | ||
| static editForm = customComponentOptions.editForm || TextfieldComponent.editForm; | ||
| id = FormioUtils.getRandomComponentId(); | ||
| type = customComponentOptions.type; | ||
| _customAngularElement: FormioCustomElement; | ||
|
|
||
| static schema() { | ||
| return BaseInputComponent.schema({ | ||
| ...customComponentOptions.schema, | ||
| type: customComponentOptions.type, | ||
| }); | ||
| } | ||
|
|
||
| get defaultSchema() { | ||
| return CustomComponent.schema(); | ||
| } | ||
|
|
||
| get emptyValue() { | ||
| return customComponentOptions.emptyValue || null; | ||
| } | ||
|
|
||
| static get builderInfo(): BuilderInfo { | ||
| return { | ||
| title: customComponentOptions.title, | ||
| group: customComponentOptions.group, | ||
| icon: customComponentOptions.icon, | ||
| weight: customComponentOptions.weight, | ||
| documentation: customComponentOptions.documentation, | ||
| schema: CustomComponent.schema(), | ||
| }; | ||
| } | ||
|
|
||
| constructor(public component: ExtendedComponentSchema, options: any, data: any) { | ||
| super(component, { | ||
| ...options, | ||
| sanitizeConfig: { | ||
| addTags: [customComponentOptions.selector], | ||
| }, | ||
| }, data); | ||
|
|
||
| if (customComponentOptions.extraValidators) { | ||
| this.validators = this.validators.concat(customComponentOptions.extraValidators); | ||
| } | ||
| } | ||
|
|
||
| elementInfo() { | ||
| const info = super.elementInfo(); | ||
| info.type = customComponentOptions.selector; | ||
| info.changeEvent = customComponentOptions.changeEvent || 'valueChange'; | ||
| info.attr = { | ||
| ...info.attr, | ||
| class: info.attr.class.replace('form-control', 'form-control-custom-field') // remove the form-control class as the custom angular component may look different | ||
| }; | ||
| return info; | ||
| } | ||
|
|
||
| get inputInfo() { | ||
| const info = { | ||
| id: this.key, | ||
| ...this.elementInfo() | ||
| } | ||
| return info; | ||
| } | ||
|
|
||
| renderElement(value: any, index: number) { | ||
| const info = this.inputInfo; | ||
| return this.renderTemplate(customComponentOptions.template || 'input', { | ||
| input: info, | ||
| value, | ||
| index | ||
| }); | ||
| } | ||
|
|
||
| attach(element: HTMLElement) { | ||
| let superAttach = super.attach(element); | ||
|
|
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| this._customAngularElement = element.querySelector(customComponentOptions.selector); | ||
|
|
||
| // Bind the custom options and the validations to the Angular component's inputs (flattened) | ||
| if (this._customAngularElement) { | ||
| // To make sure we have working input in IE... | ||
| // IE doesn't render it properly if it's not visible on the screen | ||
| // due to the whole structure applied via innerHTML to the parent | ||
| // so we need to use appendChild | ||
| if (!this._customAngularElement.getAttribute('ng-version')) { | ||
| this._customAngularElement.removeAttribute('ref'); | ||
|
|
||
| const newCustomElement = document.createElement(customComponentOptions.selector) as FormioCustomElement; | ||
|
|
||
| newCustomElement.setAttribute('ref', 'input'); | ||
| Object.keys(this.inputInfo.attr).forEach((attr: string) => { | ||
| newCustomElement.setAttribute(attr, this.inputInfo.attr[attr]); | ||
| }); | ||
|
|
||
| this._customAngularElement.appendChild(newCustomElement); | ||
| this._customAngularElement = newCustomElement; | ||
|
|
||
| superAttach = super.attach(element); | ||
| } | ||
|
|
||
| for (const key in this.component.customOptions) { | ||
| if (this.component.customOptions.hasOwnProperty(key)) { | ||
| this._customAngularElement[key] = this.component.customOptions[key]; | ||
| } | ||
| } | ||
| for (const key in this.component.validate) { | ||
| if (this.component.validate.hasOwnProperty(key)) { | ||
| this._customAngularElement[key] = this.component.validate[key]; | ||
| } | ||
| } | ||
|
|
||
| // Ensure we bind the value (if it isn't a multiple-value component with no wrapper) | ||
| if (!this._customAngularElement.value && !this.component.disableMultiValueWrapper) { | ||
| this.restoreValue(); | ||
| } | ||
|
|
||
| } | ||
| return superAttach; | ||
| } | ||
|
|
||
| // Add extra option to support multiple value (e.g. datagrid) with single angular component (disableMultiValueWrapper) | ||
| useWrapper() { | ||
| return this.component.hasOwnProperty('multiple') && this.component.multiple && !this.component.disableMultiValueWrapper; | ||
| } | ||
|
|
||
| get defaultValue() { | ||
| let defaultValue = this.emptyValue; | ||
|
|
||
| // handle falsy default value | ||
| if (!isNil(this.component.defaultValue)) { | ||
| defaultValue = this.component.defaultValue; | ||
| } | ||
|
|
||
| if (this.component.customDefaultValue && !this.options.preview) { | ||
| defaultValue = this.evaluate( | ||
| this.component.customDefaultValue, | ||
| { value: '' }, | ||
| 'value' | ||
| ); | ||
| } | ||
|
|
||
| return clone(defaultValue); | ||
| } | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import { Injectable } from '@angular/core'; | ||
|
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| @Injectable({ providedIn: 'root' }) | ||
| export class CustomTagsService { | ||
| tags: string[] = []; | ||
|
|
||
| addCustomTag(tag: string) { | ||
| this.tags.push(tag); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import { Injector, Type } from '@angular/core'; | ||
| import { createCustomElement } from '@angular/elements'; | ||
| import { Components } from 'formiojs'; | ||
| import { FormioCustomComponentInfo } from '../formio.common'; | ||
| import { createCustomFormioComponent } from './create-custom-component'; | ||
| import { CustomTagsService } from './custom-tags.service'; | ||
|
|
||
| export function registerCustomTag(tag: string, injector: Injector): void { | ||
| injector.get(CustomTagsService).addCustomTag(tag); | ||
| } | ||
|
|
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| export function registerCustomTags(tags: string[], injector: Injector): void { | ||
| tags.forEach(tag => registerCustomTag(tag, injector)); | ||
| } | ||
|
|
||
| export function registerCustomFormioComponent( | ||
| options: FormioCustomComponentInfo, | ||
| angularComponent: Type<any>, | ||
| injector: Injector, | ||
| ): void { | ||
| registerCustomTag(options.selector, injector); | ||
|
|
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| const complexCustomComponent = createCustomElement(angularComponent, { injector }); | ||
| customElements.define(options.selector, complexCustomComponent); | ||
|
|
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| Components.setComponent(options.type, createCustomFormioComponent(options)); | ||
| } | ||
|
|
||
| export function registerCustomFormioComponentWithClass( | ||
| options: FormioCustomComponentInfo, | ||
| angularComponent: Type<any>, | ||
| formioClass: any, | ||
| injector: Injector, | ||
| ): void { | ||
| registerCustomTag(options.selector, injector); | ||
|
|
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| const complexCustomComponent = createCustomElement(angularComponent, { injector }); | ||
| customElements.define(options.selector, complexCustomComponent); | ||
|
|
||
| Components.setComponent(options.type, formioClass); | ||
| } |
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