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index.js
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/**
* External dependencies
*/
import clsx from 'clsx';
/**
* WordPress dependencies
*/
import {
Button,
FormFileUpload,
Placeholder,
DropZone,
__experimentalInputControl as InputControl,
__experimentalInputControlSuffixWrapper as InputControlSuffixWrapper,
withFilters,
} from '@wordpress/components';
import { __ } from '@wordpress/i18n';
import { useState, useEffect } from '@wordpress/element';
import { useSelect } from '@wordpress/data';
import { keyboardReturn } from '@wordpress/icons';
import { pasteHandler } from '@wordpress/blocks';
import deprecated from '@wordpress/deprecated';
/**
* Internal dependencies
*/
import MediaUpload from '../media-upload';
import MediaUploadCheck from '../media-upload/check';
import URLPopover from '../url-popover';
import { store as blockEditorStore } from '../../store';
const noop = () => {};
const InsertFromURLPopover = ( {
src,
onChange,
onSubmit,
onClose,
popoverAnchor,
} ) => (
<URLPopover anchor={ popoverAnchor } onClose={ onClose }>
<form
className="block-editor-media-placeholder__url-input-form"
onSubmit={ onSubmit }
>
<InputControl
__next40pxDefaultSize
label={ __( 'URL' ) }
hideLabelFromVision
placeholder={ __( 'Paste or type URL' ) }
onChange={ onChange }
value={ src }
suffix={
<InputControlSuffixWrapper variant="control">
<Button
size="small"
icon={ keyboardReturn }
label={ __( 'Apply' ) }
type="submit"
/>
</InputControlSuffixWrapper>
}
/>
</form>
</URLPopover>
);
const URLSelectionUI = ( { src, onChangeSrc, onSelectURL } ) => {
// Use internal state instead of a ref to make sure that the component
// re-renders when the popover's anchor updates.
const [ popoverAnchor, setPopoverAnchor ] = useState( null );
const [ isURLInputVisible, setIsURLInputVisible ] = useState( false );
const openURLInput = () => {
setIsURLInputVisible( true );
};
const closeURLInput = () => {
setIsURLInputVisible( false );
popoverAnchor?.focus();
};
const onSubmitSrc = ( event ) => {
event.preventDefault();
if ( src && onSelectURL ) {
onSelectURL( src );
closeURLInput();
}
};
return (
<div className="block-editor-media-placeholder__url-input-container">
<Button
__next40pxDefaultSize
className="block-editor-media-placeholder__button"
onClick={ openURLInput }
isPressed={ isURLInputVisible }
variant="secondary"
aria-haspopup="dialog"
ref={ setPopoverAnchor }
>
{ __( 'Insert from URL' ) }
</Button>
{ isURLInputVisible && (
<InsertFromURLPopover
src={ src }
onChange={ onChangeSrc }
onSubmit={ onSubmitSrc }
onClose={ closeURLInput }
popoverAnchor={ popoverAnchor }
/>
) }
</div>
);
};
export function MediaPlaceholder( {
value = {},
allowedTypes,
className,
icon,
labels = {},
mediaPreview,
notices,
isAppender,
accept,
addToGallery,
multiple = false,
handleUpload = true,
disableDropZone,
disableMediaButtons,
onError,
onSelect,
onCancel,
onSelectURL,
onToggleFeaturedImage,
onDoubleClick,
onFilesPreUpload = noop,
onHTMLDrop: deprecatedOnHTMLDrop,
children,
mediaLibraryButton,
placeholder,
style,
} ) {
if ( deprecatedOnHTMLDrop ) {
deprecated( 'wp.blockEditor.MediaPlaceholder onHTMLDrop prop', {
since: '6.2',
version: '6.4',
} );
}
const mediaUpload = useSelect( ( select ) => {
const { getSettings } = select( blockEditorStore );
return getSettings().mediaUpload;
}, [] );
const [ src, setSrc ] = useState( '' );
useEffect( () => {
setSrc( value?.src ?? '' );
}, [ value?.src ] );
const onlyAllowsImages = () => {
if ( ! allowedTypes || allowedTypes.length === 0 ) {
return false;
}
return allowedTypes.every(
( allowedType ) =>
allowedType === 'image' || allowedType.startsWith( 'image/' )
);
};
const onFilesUpload = ( files ) => {
if (
! handleUpload ||
( typeof handleUpload === 'function' && ! handleUpload( files ) )
) {
return onSelect( files );
}
onFilesPreUpload( files );
let setMedia;
if ( multiple ) {
if ( addToGallery ) {
// Since the setMedia function runs multiple times per upload group
// and is passed newMedia containing every item in its group each time, we must
// filter out whatever this upload group had previously returned to the
// gallery before adding and returning the image array with replacement newMedia
// values.
// Define an array to store urls from newMedia between subsequent function calls.
let lastMediaPassed = [];
setMedia = ( newMedia ) => {
// Remove any images this upload group is responsible for (lastMediaPassed).
// Their replacements are contained in newMedia.
const filteredMedia = ( value ?? [] ).filter( ( item ) => {
// If Item has id, only remove it if lastMediaPassed has an item with that id.
if ( item.id ) {
return ! lastMediaPassed.some(
// Be sure to convert to number for comparison.
( { id } ) => Number( id ) === Number( item.id )
);
}
// Compare transient images via .includes since gallery may append extra info onto the url.
return ! lastMediaPassed.some( ( { urlSlug } ) =>
item.url.includes( urlSlug )
);
} );
// Return the filtered media array along with newMedia.
onSelect( filteredMedia.concat( newMedia ) );
// Reset lastMediaPassed and set it with ids and urls from newMedia.
lastMediaPassed = newMedia.map( ( media ) => {
// Add everything up to '.fileType' to compare via .includes.
const cutOffIndex = media.url.lastIndexOf( '.' );
const urlSlug = media.url.slice( 0, cutOffIndex );
return { id: media.id, urlSlug };
} );
};
} else {
setMedia = onSelect;
}
} else {
setMedia = ( [ media ] ) => onSelect( media );
}
mediaUpload( {
allowedTypes,
filesList: files,
onFileChange: setMedia,
onError,
} );
};
async function handleBlocksDrop( blocks ) {
if ( ! blocks || ! Array.isArray( blocks ) ) {
return;
}
function recursivelyFindMediaFromBlocks( _blocks ) {
return _blocks.flatMap( ( block ) =>
( block.name === 'core/image' ||
block.name === 'core/audio' ||
block.name === 'core/video' ) &&
block.attributes.url
? [ block ]
: recursivelyFindMediaFromBlocks( block.innerBlocks )
);
}
const mediaBlocks = recursivelyFindMediaFromBlocks( blocks );
if ( ! mediaBlocks.length ) {
return;
}
const uploadedMediaList = await Promise.all(
mediaBlocks.map( ( block ) =>
block.attributes.id
? block.attributes
: new Promise( ( resolve, reject ) => {
window
.fetch( block.attributes.url )
.then( ( response ) => response.blob() )
.then( ( blob ) =>
mediaUpload( {
filesList: [ blob ],
additionalData: {
title: block.attributes.title,
alt_text: block.attributes.alt,
caption: block.attributes.caption,
},
onFileChange: ( [ media ] ) => {
if ( media.id ) {
resolve( media );
}
},
allowedTypes,
onError: reject,
} )
)
.catch( () => resolve( block.attributes.url ) );
} )
)
).catch( ( err ) => onError( err ) );
if ( multiple ) {
onSelect( uploadedMediaList );
} else {
onSelect( uploadedMediaList[ 0 ] );
}
}
async function onHTMLDrop( HTML ) {
const blocks = pasteHandler( { HTML } );
return await handleBlocksDrop( blocks );
}
const onUpload = ( event ) => {
onFilesUpload( event.target.files );
};
const defaultRenderPlaceholder = ( content ) => {
let { instructions, title } = labels;
if ( ! mediaUpload && ! onSelectURL ) {
instructions = __(
'To edit this block, you need permission to upload media.'
);
}
if ( instructions === undefined || title === undefined ) {
const typesAllowed = allowedTypes ?? [];
const [ firstAllowedType ] = typesAllowed;
const isOneType = 1 === typesAllowed.length;
const isAudio = isOneType && 'audio' === firstAllowedType;
const isImage = isOneType && 'image' === firstAllowedType;
const isVideo = isOneType && 'video' === firstAllowedType;
if ( instructions === undefined && mediaUpload ) {
instructions = __(
'Upload a media file or pick one from your media library.'
);
if ( isAudio ) {
instructions = __(
'Upload or drag an audio file here, or pick one from your library.'
);
} else if ( isImage ) {
instructions = __(
'Upload or drag an image file here, or pick one from your library.'
);
} else if ( isVideo ) {
instructions = __(
'Upload or drag a video file here, or pick one from your library.'
);
}
}
if ( title === undefined ) {
title = __( 'Media' );
if ( isAudio ) {
title = __( 'Audio' );
} else if ( isImage ) {
title = __( 'Image' );
} else if ( isVideo ) {
title = __( 'Video' );
}
}
}
const placeholderClassName = clsx(
'block-editor-media-placeholder',
className,
{
'is-appender': isAppender,
}
);
return (
<Placeholder
icon={ icon }
label={ title }
instructions={ instructions }
className={ placeholderClassName }
notices={ notices }
onDoubleClick={ onDoubleClick }
preview={ mediaPreview }
style={ style }
>
{ content }
{ children }
</Placeholder>
);
};
const renderPlaceholder = placeholder ?? defaultRenderPlaceholder;
const renderDropZone = () => {
if ( disableDropZone ) {
return null;
}
return (
<DropZone onFilesDrop={ onFilesUpload } onHTMLDrop={ onHTMLDrop } />
);
};
const renderCancelLink = () => {
return (
onCancel && (
<Button
__next40pxDefaultSize
className="block-editor-media-placeholder__cancel-button"
title={ __( 'Cancel' ) }
variant="link"
onClick={ onCancel }
>
{ __( 'Cancel' ) }
</Button>
)
);
};
const renderUrlSelectionUI = () => {
return (
onSelectURL && (
<URLSelectionUI
src={ src }
onChangeSrc={ setSrc }
onSelectURL={ onSelectURL }
/>
)
);
};
const renderFeaturedImageToggle = () => {
return (
onToggleFeaturedImage && (
<div className="block-editor-media-placeholder__url-input-container">
<Button
__next40pxDefaultSize
className="block-editor-media-placeholder__button"
onClick={ onToggleFeaturedImage }
variant="secondary"
>
{ __( 'Use featured image' ) }
</Button>
</div>
)
);
};
const renderMediaUploadChecked = () => {
const defaultButton = ( { open } ) => {
return (
<Button
__next40pxDefaultSize
variant="secondary"
onClick={ () => {
open();
} }
>
{ __( 'Media Library' ) }
</Button>
);
};
const libraryButton = mediaLibraryButton ?? defaultButton;
const uploadMediaLibraryButton = (
<MediaUpload
addToGallery={ addToGallery }
gallery={ multiple && onlyAllowsImages() }
multiple={ multiple }
onSelect={ onSelect }
allowedTypes={ allowedTypes }
mode="browse"
value={
Array.isArray( value )
? value.map( ( { id } ) => id )
: value.id
}
render={ libraryButton }
/>
);
if ( mediaUpload && isAppender ) {
return (
<>
{ renderDropZone() }
<FormFileUpload
onChange={ onUpload }
accept={ accept }
multiple={ !! multiple }
render={ ( { openFileDialog } ) => {
const content = (
<>
<Button
__next40pxDefaultSize
variant="primary"
className={ clsx(
'block-editor-media-placeholder__button',
'block-editor-media-placeholder__upload-button'
) }
onClick={ openFileDialog }
>
{ __( 'Upload' ) }
</Button>
{ uploadMediaLibraryButton }
{ renderUrlSelectionUI() }
{ renderFeaturedImageToggle() }
{ renderCancelLink() }
</>
);
return renderPlaceholder( content );
} }
/>
</>
);
}
if ( mediaUpload ) {
const content = (
<>
{ renderDropZone() }
<FormFileUpload
render={ ( { openFileDialog } ) => (
<Button
__next40pxDefaultSize
onClick={ openFileDialog }
variant="primary"
className={ clsx(
'block-editor-media-placeholder__button',
'block-editor-media-placeholder__upload-button'
) }
>
{ __( 'Upload' ) }
</Button>
) }
onChange={ onUpload }
accept={ accept }
multiple={ !! multiple }
/>
{ uploadMediaLibraryButton }
{ renderUrlSelectionUI() }
{ renderFeaturedImageToggle() }
{ renderCancelLink() }
</>
);
return renderPlaceholder( content );
}
return renderPlaceholder( uploadMediaLibraryButton );
};
if ( disableMediaButtons ) {
return <MediaUploadCheck>{ renderDropZone() }</MediaUploadCheck>;
}
return (
<MediaUploadCheck
fallback={ renderPlaceholder( renderUrlSelectionUI() ) }
>
{ renderMediaUploadChecked() }
</MediaUploadCheck>
);
}
/**
* @see https://github.com/WordPress/gutenberg/blob/HEAD/packages/block-editor/src/components/media-placeholder/README.md
*/
export default withFilters( 'editor.MediaPlaceholder' )( MediaPlaceholder );