/
block-select-button.js
269 lines (248 loc) · 7.64 KB
/
block-select-button.js
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/**
* External dependencies
*/
import classnames from 'classnames';
/**
* WordPress dependencies
*/
import { hasBlockSupport } from '@wordpress/blocks';
import {
Button,
__experimentalHStack as HStack,
__experimentalTruncate as Truncate,
Tooltip,
} from '@wordpress/components';
import { forwardRef } from '@wordpress/element';
import { Icon, lockSmall as lock, pinSmall } from '@wordpress/icons';
import { SPACE, ENTER, BACKSPACE, DELETE } from '@wordpress/keycodes';
import { useSelect, useDispatch } from '@wordpress/data';
import { __unstableUseShortcutEventMatch as useShortcutEventMatch } from '@wordpress/keyboard-shortcuts';
import { __, sprintf } from '@wordpress/i18n';
/**
* Internal dependencies
*/
import BlockIcon from '../block-icon';
import useBlockDisplayInformation from '../use-block-display-information';
import useBlockDisplayTitle from '../block-title/use-block-display-title';
import ListViewExpander from './expander';
import { useBlockLock } from '../block-lock';
import { store as blockEditorStore } from '../../store';
import useListViewImages from './use-list-view-images';
function ListViewBlockSelectButton(
{
className,
block: { clientId },
onClick,
onToggleExpanded,
tabIndex,
onFocus,
onDragStart,
onDragEnd,
draggable,
isExpanded,
ariaLabel,
ariaDescribedBy,
updateFocusAndSelection,
},
ref
) {
const blockInformation = useBlockDisplayInformation( clientId );
const blockTitle = useBlockDisplayTitle( {
clientId,
context: 'list-view',
} );
const { isLocked } = useBlockLock( clientId );
const {
canInsertBlockType,
getSelectedBlockClientIds,
getPreviousBlockClientId,
getBlockRootClientId,
getBlockOrder,
getBlocksByClientId,
canRemoveBlocks,
} = useSelect( blockEditorStore );
const { duplicateBlocks, removeBlocks } = useDispatch( blockEditorStore );
const isMatch = useShortcutEventMatch();
const isSticky = blockInformation?.positionType === 'sticky';
const images = useListViewImages( { clientId, isExpanded } );
const positionLabel = blockInformation?.positionLabel
? sprintf(
// translators: 1: Position of selected block, e.g. "Sticky" or "Fixed".
__( 'Position: %1$s' ),
blockInformation.positionLabel
)
: '';
// The `href` attribute triggers the browser's native HTML drag operations.
// When the link is dragged, the element's outerHTML is set in DataTransfer object as text/html.
// We need to clear any HTML drag data to prevent `pasteHandler` from firing
// inside the `useOnBlockDrop` hook.
const onDragStartHandler = ( event ) => {
event.dataTransfer.clearData();
onDragStart?.( event );
};
// Determine which blocks to update:
// If the current (focused) block is part of the block selection, use the whole selection.
// If the focused block is not part of the block selection, only update the focused block.
function getBlocksToUpdate() {
const selectedBlockClientIds = getSelectedBlockClientIds();
const isUpdatingSelectedBlocks =
selectedBlockClientIds.includes( clientId );
const firstBlockClientId = isUpdatingSelectedBlocks
? selectedBlockClientIds[ 0 ]
: clientId;
const firstBlockRootClientId =
getBlockRootClientId( firstBlockClientId );
const blocksToUpdate = isUpdatingSelectedBlocks
? selectedBlockClientIds
: [ clientId ];
return {
blocksToUpdate,
firstBlockClientId,
firstBlockRootClientId,
selectedBlockClientIds,
};
}
/**
* @param {KeyboardEvent} event
*/
async function onKeyDownHandler( event ) {
if ( event.keyCode === ENTER || event.keyCode === SPACE ) {
onClick( event );
} else if (
event.keyCode === BACKSPACE ||
event.keyCode === DELETE ||
isMatch( 'core/block-editor/remove', event )
) {
const {
blocksToUpdate: blocksToDelete,
firstBlockClientId,
firstBlockRootClientId,
selectedBlockClientIds,
} = getBlocksToUpdate();
// Don't update the selection if the blocks cannot be deleted.
if ( ! canRemoveBlocks( blocksToDelete, firstBlockRootClientId ) ) {
return;
}
let blockToFocus =
getPreviousBlockClientId( firstBlockClientId ) ??
// If the previous block is not found (when the first block is deleted),
// fallback to focus the parent block.
firstBlockRootClientId;
removeBlocks( blocksToDelete, false );
// Update the selection if the original selection has been removed.
const shouldUpdateSelection =
selectedBlockClientIds.length > 0 &&
getSelectedBlockClientIds().length === 0;
// If there's no previous block nor parent block, focus the first block.
if ( ! blockToFocus ) {
blockToFocus = getBlockOrder()[ 0 ];
}
updateFocusAndSelection( blockToFocus, shouldUpdateSelection );
} else if ( isMatch( 'core/block-editor/duplicate', event ) ) {
if ( event.defaultPrevented ) {
return;
}
event.preventDefault();
const { blocksToUpdate, firstBlockRootClientId } =
getBlocksToUpdate();
const canDuplicate = getBlocksByClientId( blocksToUpdate ).every(
( block ) => {
return (
!! block &&
hasBlockSupport( block.name, 'multiple', true ) &&
canInsertBlockType( block.name, firstBlockRootClientId )
);
}
);
if ( canDuplicate ) {
const updatedBlocks = await duplicateBlocks(
blocksToUpdate,
false
);
if ( updatedBlocks?.length ) {
// If blocks have been duplicated, focus the first duplicated block.
updateFocusAndSelection( updatedBlocks[ 0 ], false );
}
}
}
}
return (
<>
<Button
className={ classnames(
'block-editor-list-view-block-select-button',
className
) }
onClick={ onClick }
onKeyDown={ onKeyDownHandler }
ref={ ref }
tabIndex={ tabIndex }
onFocus={ onFocus }
onDragStart={ onDragStartHandler }
onDragEnd={ onDragEnd }
draggable={ draggable }
href={ `#block-${ clientId }` }
aria-label={ ariaLabel }
aria-describedby={ ariaDescribedBy }
aria-expanded={ isExpanded }
>
<ListViewExpander onClick={ onToggleExpanded } />
<BlockIcon
icon={ blockInformation?.icon }
showColors
context="list-view"
/>
<HStack
alignment="center"
className="block-editor-list-view-block-select-button__label-wrapper"
justify="flex-start"
spacing={ 1 }
>
<span className="block-editor-list-view-block-select-button__title">
<Truncate ellipsizeMode="auto">{ blockTitle }</Truncate>
</span>
{ blockInformation?.anchor && (
<span className="block-editor-list-view-block-select-button__anchor-wrapper">
<Truncate
className="block-editor-list-view-block-select-button__anchor"
ellipsizeMode="auto"
>
{ blockInformation.anchor }
</Truncate>
</span>
) }
{ positionLabel && isSticky && (
<Tooltip text={ positionLabel }>
<span className="block-editor-list-view-block-select-button__sticky">
<Icon icon={ pinSmall } />
</span>
</Tooltip>
) }
{ images.length ? (
<span
className="block-editor-list-view-block-select-button__images"
aria-hidden
>
{ images.map( ( image, index ) => (
<span
className="block-editor-list-view-block-select-button__image"
key={ `img-${ image.url }` }
style={ {
backgroundImage: `url(${ image.url })`,
zIndex: images.length - index, // Ensure the first image is on top, and subsequent images are behind.
} }
/>
) ) }
</span>
) : null }
{ isLocked && (
<span className="block-editor-list-view-block-select-button__lock">
<Icon icon={ lock } />
</span>
) }
</HStack>
</Button>
</>
);
}
export default forwardRef( ListViewBlockSelectButton );