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index.js
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index.js
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/**
* External dependencies
*/
import { isEmpty } from 'lodash';
/**
* WordPress dependencies
*/
import { useSelect } from '@wordpress/data';
import {
BlockControls,
useBlockProps,
__experimentalUseNoRecursiveRenders as useNoRecursiveRenders,
Warning,
store as blockEditorStore,
__experimentalUseBlockOverlayActive as useBlockOverlayActive,
} from '@wordpress/block-editor';
import {
ToolbarGroup,
ToolbarButton,
Spinner,
Modal,
} from '@wordpress/components';
import { __, sprintf } from '@wordpress/i18n';
import { store as coreStore } from '@wordpress/core-data';
import { useState } from '@wordpress/element';
/**
* Internal dependencies
*/
import TemplatePartPlaceholder from './placeholder';
import TemplatePartSelectionModal from './selection-modal';
import { TemplatePartAdvancedControls } from './advanced-controls';
import TemplatePartInnerBlocks from './inner-blocks';
import { createTemplatePartId } from './utils/create-template-part-id';
import {
useAlternativeBlockPatterns,
useAlternativeTemplateParts,
useTemplatePartArea,
} from './utils/hooks';
export default function TemplatePartEdit( {
attributes,
setAttributes,
clientId,
} ) {
const { slug, theme, tagName, layout = {} } = attributes;
const templatePartId = createTemplatePartId( theme, slug );
const [ hasAlreadyRendered, RecursionProvider ] = useNoRecursiveRenders(
templatePartId
);
const [
isTemplatePartSelectionOpen,
setIsTemplatePartSelectionOpen,
] = useState( false );
// Set the postId block attribute if it did not exist,
// but wait until the inner blocks have loaded to allow
// new edits to trigger this.
const { isResolved, innerBlocks, isMissing, area } = useSelect(
( select ) => {
const { getEditedEntityRecord, hasFinishedResolution } = select(
coreStore
);
const { getBlocks } = select( blockEditorStore );
const getEntityArgs = [
'postType',
'wp_template_part',
templatePartId,
];
const entityRecord = templatePartId
? getEditedEntityRecord( ...getEntityArgs )
: null;
const _area = entityRecord?.area || attributes.area;
const hasResolvedEntity = templatePartId
? hasFinishedResolution(
'getEditedEntityRecord',
getEntityArgs
)
: false;
return {
innerBlocks: getBlocks( clientId ),
isResolved: hasResolvedEntity,
isMissing: hasResolvedEntity && isEmpty( entityRecord ),
area: _area,
};
},
[ templatePartId, clientId ]
);
const { templateParts } = useAlternativeTemplateParts(
area,
templatePartId
);
const blockPatterns = useAlternativeBlockPatterns( area, clientId );
const hasReplacements = !! templateParts.length || !! blockPatterns.length;
const areaObject = useTemplatePartArea( area );
const hasBlockOverlay = useBlockOverlayActive( clientId );
const blockProps = useBlockProps(
{},
{ __unstableHasOverlay: hasBlockOverlay }
);
const isPlaceholder = ! slug;
const isEntityAvailable = ! isPlaceholder && ! isMissing && isResolved;
const TagName = tagName || areaObject.tagName;
// We don't want to render a missing state if we have any inner blocks.
// A new template part is automatically created if we have any inner blocks but no entity.
if (
innerBlocks.length === 0 &&
( ( slug && ! theme ) || ( slug && isMissing ) )
) {
return (
<TagName { ...blockProps }>
<Warning>
{ sprintf(
/* translators: %s: Template part slug */
__(
'Template part has been deleted or is unavailable: %s'
),
slug
) }
</Warning>
</TagName>
);
}
if ( isEntityAvailable && hasAlreadyRendered ) {
return (
<TagName { ...blockProps }>
<Warning>
{ __( 'Block cannot be rendered inside itself.' ) }
</Warning>
</TagName>
);
}
return (
<RecursionProvider>
<TemplatePartAdvancedControls
tagName={ tagName }
setAttributes={ setAttributes }
isEntityAvailable={ isEntityAvailable }
templatePartId={ templatePartId }
defaultWrapper={ areaObject.tagName }
/>
{ isPlaceholder && (
<TagName { ...blockProps }>
<TemplatePartPlaceholder
area={ attributes.area }
templatePartId={ templatePartId }
clientId={ clientId }
setAttributes={ setAttributes }
onOpenSelectionModal={ () =>
setIsTemplatePartSelectionOpen( true )
}
/>
</TagName>
) }
{ isEntityAvailable &&
hasReplacements &&
( area === 'header' || area === 'footer' ) && (
<BlockControls>
<ToolbarGroup className="wp-block-template-part__block-control-group">
<ToolbarButton
onClick={ () =>
setIsTemplatePartSelectionOpen( true )
}
>
{ __( 'Replace' ) }
</ToolbarButton>
</ToolbarGroup>
</BlockControls>
) }
{ isEntityAvailable && (
<TemplatePartInnerBlocks
tagName={ TagName }
blockProps={ blockProps }
postId={ templatePartId }
hasInnerBlocks={ innerBlocks.length > 0 }
layout={ layout }
/>
) }
{ ! isPlaceholder && ! isResolved && (
<TagName { ...blockProps }>
<Spinner />
</TagName>
) }
{ isTemplatePartSelectionOpen && (
<Modal
className="block-editor-template-part__selection-modal"
title={ sprintf(
// Translators: %s as template part area title ("Header", "Footer", etc.).
__( 'Choose a %s' ),
areaObject.label.toLowerCase()
) }
closeLabel={ __( 'Cancel' ) }
onRequestClose={ () =>
setIsTemplatePartSelectionOpen( false )
}
>
<TemplatePartSelectionModal
templatePartId={ templatePartId }
clientId={ clientId }
area={ area }
setAttributes={ setAttributes }
onClose={ () =>
setIsTemplatePartSelectionOpen( false )
}
/>
</Modal>
) }
</RecursionProvider>
);
}