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index.js
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index.js
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/**
* External dependencies
*/
import classnames from 'classnames';
/**
* WordPress dependencies
*/
import { useEffect, useState, forwardRef } from '@wordpress/element';
import {
VisuallyHidden,
Tooltip,
privateApis as componentsPrivateApis,
__experimentalHStack as HStack,
} from '@wordpress/components';
import { useInstanceId } from '@wordpress/compose';
import { __ } from '@wordpress/i18n';
import { Icon, symbol } from '@wordpress/icons';
/**
* Internal dependencies
*/
import { unlock } from '../../lock-unlock';
import BlockPreview from '../block-preview';
import InserterDraggableBlocks from '../inserter-draggable-blocks';
import BlockPatternsPaging from '../block-patterns-paging';
import { INSERTER_PATTERN_TYPES } from '../inserter/block-patterns-tab/utils';
const {
CompositeV2: Composite,
CompositeItemV2: CompositeItem,
useCompositeStoreV2: useCompositeStore,
} = unlock( componentsPrivateApis );
const WithToolTip = ( { showTooltip, title, children } ) => {
if ( showTooltip ) {
return <Tooltip text={ title }>{ children }</Tooltip>;
}
return <>{ children }</>;
};
function BlockPattern( {
id,
isDraggable,
pattern,
onClick,
onHover,
showTitle = true,
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 }
pattern={ 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 &&
! pattern.type !== INSERTER_PATTERN_TYPES.user
}
title={ pattern.title }
>
<CompositeItem
render={
<div
role="option"
aria-label={ pattern.title }
aria-describedby={
pattern.description
? descriptionId
: undefined
}
className={ classnames(
'block-editor-block-patterns-list__item',
{
'block-editor-block-patterns-list__list-item-synced':
pattern.type ===
INSERTER_PATTERN_TYPES.user &&
! pattern.syncStatus,
}
) }
/>
}
id={ id }
onClick={ () => {
onClick( pattern, blocks );
onHover?.( null );
} }
onMouseEnter={ () => {
if ( isDragging ) {
return;
}
onHover?.( pattern );
} }
onMouseLeave={ () => onHover?.( null ) }
>
<BlockPreview
blocks={ blocks }
viewportWidth={ viewportWidth }
/>
{ showTitle && (
<HStack className="block-editor-patterns__pattern-details">
{ pattern.type ===
INSERTER_PATTERN_TYPES.user &&
! pattern.syncStatus && (
<div className="block-editor-patterns__pattern-icon-wrapper">
<Icon
className="block-editor-patterns__pattern-icon"
icon={ symbol }
/>
</div>
) }
{ ( ! showTooltip ||
pattern.type ===
INSERTER_PATTERN_TYPES.user ) && (
<div className="block-editor-block-patterns-list__item-title">
{ pattern.title }
</div>
) }
</HStack>
) }
{ !! 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 BlockPatternsList(
{
isDraggable,
blockPatterns,
shownPatterns,
onHover,
onClickPattern,
orientation,
label = __( 'Block patterns' ),
showTitle = true,
showTitlesAsTooltip,
pagingProps,
},
ref
) {
const compositeStore = useCompositeStore( { orientation } );
const { setActiveId } = compositeStore;
useEffect( () => {
// We reset the active composite item whenever the
// available patterns change, to make sure that
// focus is put back to the start.
setActiveId( undefined );
}, [ setActiveId, shownPatterns, blockPatterns ] );
return (
<Composite
store={ compositeStore }
role="listbox"
className="block-editor-block-patterns-list"
aria-label={ label }
ref={ ref }
>
{ blockPatterns.map( ( pattern ) => {
const isShown = shownPatterns.includes( pattern );
return isShown ? (
<BlockPattern
key={ pattern.name }
id={ pattern.name }
pattern={ pattern }
onClick={ onClickPattern }
onHover={ onHover }
isDraggable={ isDraggable }
showTitle={ showTitle }
showTooltip={ showTitlesAsTooltip }
/>
) : (
<BlockPatternPlaceholder key={ pattern.name } />
);
} ) }
{ pagingProps && <BlockPatternsPaging { ...pagingProps } /> }
</Composite>
);
}
export default forwardRef( BlockPatternsList );