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index.js
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index.js
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/**
* WordPress dependencies
*/
import { useState } from '@wordpress/element';
import {
VisuallyHidden,
__unstableComposite as Composite,
__unstableUseCompositeState as useCompositeState,
__unstableCompositeItem as CompositeItem,
Tooltip,
} from '@wordpress/components';
import { useInstanceId } from '@wordpress/compose';
import { __ } from '@wordpress/i18n';
/**
* Internal dependencies
*/
import BlockPreview from '../block-preview';
import InserterDraggableBlocks from '../inserter-draggable-blocks';
const WithToolTip = ( { showTooltip, title, children } ) => {
if ( showTooltip ) {
return <Tooltip text={ title }>{ children }</Tooltip>;
}
return <>{ children }</>;
};
function BlockPattern( {
isDraggable,
pattern,
onClick,
onHover,
composite,
showTooltip,
} ) {
const [ isDragging, setIsDragging ] = useState( false );
const { blocks, viewportWidth } = pattern;
const instanceId = useInstanceId( BlockPattern );
const descriptionId = `block-editor-block-patterns-list__item-description-${ instanceId }`;
return (
<InserterDraggableBlocks
isEnabled={ isDraggable }
blocks={ blocks }
isPattern={ !! pattern }
>
{ ( { draggable, onDragStart, onDragEnd } ) => (
<div
className="block-editor-block-patterns-list__list-item"
draggable={ draggable }
onDragStart={ ( event ) => {
setIsDragging( true );
if ( onDragStart ) {
onHover?.( null );
onDragStart( event );
}
} }
onDragEnd={ ( event ) => {
setIsDragging( false );
if ( onDragEnd ) {
onDragEnd( event );
}
} }
>
<WithToolTip
showTooltip={ showTooltip }
title={ pattern.title }
>
<CompositeItem
role="option"
as="div"
{ ...composite }
className="block-editor-block-patterns-list__item"
onClick={ () => {
onClick( pattern, blocks );
onHover?.( null );
} }
onMouseEnter={ () => {
if ( isDragging ) {
return;
}
onHover?.( pattern );
} }
onMouseLeave={ () => onHover?.( null ) }
aria-label={ pattern.title }
aria-describedby={
pattern.description ? descriptionId : undefined
}
>
<BlockPreview
blocks={ blocks }
viewportWidth={ viewportWidth }
/>
{ ! showTooltip && (
<div className="block-editor-block-patterns-list__item-title">
{ pattern.title }
</div>
) }
{ !! pattern.description && (
<VisuallyHidden id={ descriptionId }>
{ pattern.description }
</VisuallyHidden>
) }
</CompositeItem>
</WithToolTip>
</div>
) }
</InserterDraggableBlocks>
);
}
function BlockPatternPlaceholder() {
return (
<div className="block-editor-block-patterns-list__item is-placeholder" />
);
}
function BlockPatternList( {
isDraggable,
blockPatterns,
shownPatterns,
onHover,
onClickPattern,
orientation,
label = __( 'Block Patterns' ),
showTitlesAsTooltip,
} ) {
const composite = useCompositeState( { orientation } );
return (
<Composite
{ ...composite }
role="listbox"
className="block-editor-block-patterns-list"
aria-label={ label }
>
{ blockPatterns.map( ( pattern ) => {
const isShown = shownPatterns.includes( pattern );
return isShown ? (
<BlockPattern
key={ pattern.name }
pattern={ pattern }
onClick={ onClickPattern }
onHover={ onHover }
isDraggable={ isDraggable }
composite={ composite }
showTooltip={ showTitlesAsTooltip }
/>
) : (
<BlockPatternPlaceholder key={ pattern.name } />
);
} ) }
</Composite>
);
}
export default BlockPatternList;