Add 'insert from url' for image block

packages/blob/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.1.0 (Unreleased)
+
+### New Features
+
+- Added a new `isBlobURL` function.
+
 ## 2.0.0 (2018-09-05)
 
 ### Breaking Change

packages/blob/src/index.js

@@ -45,3 +45,17 @@ export function revokeBlobURL( url ) {
 
 	delete cache[ url ];
 }
+
+/**
+ * Check whether a url is a blob url.
+ *
+ * @param {string} url The URL.
+ *
+ * @return {boolean} Is the url a blob url?
+ */
+export function isBlobURL( url ) {
+	if ( ! url || ! url.indexOf ) {
+		return false;
+	}
+	return url.indexOf( 'blob:' ) === 0;
+}

packages/blob/src/test/index.js

@@ -0,0 +1,17 @@
+import {
+	isBlobURL,
+} from '../';
+
+describe( 'isBlobURL', () => {
+	it( 'returns true if the url starts with "blob:"', () => {
+		expect( isBlobURL( 'blob:thisbitdoesnotmatter' ) ).toBe( true );
+	} );
+
+	it( 'returns false if the url does not start with "blob:"', () => {
+		expect( isBlobURL( 'https://www.example.com' ) ).toBe( false );
+	} );
+
+	it( 'returns false if the url is not defined', () => {
+		expect( isBlobURL() ).toBe( false );
+	} );
+} );

packages/block-library/src/audio/edit.js

@@ -19,7 +19,7 @@ import {
 	RichText,
 	mediaUpload,
 } from '@wordpress/editor';
-import { getBlobByURL } from '@wordpress/blob';
+import { getBlobByURL, isBlobURL } from '@wordpress/blob';
 
 const ALLOWED_MEDIA_TYPES = [ 'audio' ];
 
@@ -40,7 +40,7 @@ class AudioEdit extends Component {
 		const { attributes, noticeOperations, setAttributes } = this.props;
 		const { id, src = '' } = attributes;
 
-		if ( ! id && src.indexOf( 'blob:' ) === 0 ) {
+		if ( ! id && isBlobURL( src ) ) {
 			const file = getBlobByURL( src );
 
 			if ( file ) {

packages/block-library/src/audio/test/__snapshots__/index.js.snap

@@ -58,26 +58,11 @@ exports[`core/audio block edit matches snapshot 1`] = `
         </span>
       </div>
     </div>
-    <form>
-      <input
-        aria-label="Audio"
-        class="components-placeholder__input"
-        placeholder="Enter URL here…"
-        type="url"
-        value=""
-      />
-      <button
-        class="components-button is-button is-default is-large"
-        type="submit"
-      >
-        Use URL
-      </button>
-    </form>
     <div
       class="components-form-file-upload"
     >
       <button
-        class="components-button components-icon-button editor-media-placeholder__upload-button is-button is-default is-large"
+        class="components-button components-icon-button editor-media-placeholder__button is-button is-default is-large"
         type="button"
       >
         <svg
@@ -102,6 +87,16 @@ exports[`core/audio block edit matches snapshot 1`] = `
         type="file"
       />
     </div>
+    <div
+      class="editor-media-placeholder__url-input-container"
+    >
+      <button
+        class="components-button editor-media-placeholder__button is-button is-default is-large"
+        type="button"
+      >
+        Insert from URL
+      </button>
+    </div>
   </div>
 </div>
 `;

packages/block-library/src/cover/test/__snapshots__/index.js.snap

@@ -62,7 +62,7 @@ exports[`core/cover block edit matches snapshot 1`] = `
       class="components-form-file-upload"
     >
       <button
-        class="components-button components-icon-button editor-media-placeholder__upload-button is-button is-default is-large"
+        class="components-button components-icon-button editor-media-placeholder__button is-button is-default is-large"
         type="button"
       >
         <svg

packages/block-library/src/file/edit.js

@@ -7,7 +7,7 @@ import classnames from 'classnames';
  * WordPress dependencies
  */
 import { __ } from '@wordpress/i18n';
-import { getBlobByURL, revokeBlobURL } from '@wordpress/blob';
+import { getBlobByURL, revokeBlobURL, isBlobURL } from '@wordpress/blob';
 import {
 	ClipboardButton,
 	IconButton,
@@ -52,7 +52,7 @@ class FileEdit extends Component {
 		const { href } = attributes;
 
 		// Upload a file drag-and-dropped into the editor
-		if ( this.isBlobURL( href ) ) {
+		if ( isBlobURL( href ) ) {
 			const file = getBlobByURL( href );
 
 			mediaUpload( {
@@ -87,10 +87,6 @@ class FileEdit extends Component {
 		}
 	}
 
-	isBlobURL( url = '' ) {
-		return url.indexOf( 'blob:' ) === 0;
-	}
-
 	confirmCopyURL() {
 		this.setState( { showCopyConfirmation: true } );
 	}
@@ -153,7 +149,7 @@ class FileEdit extends Component {
 		}
 
 		const classes = classnames( className, {
-			'is-transient': this.isBlobURL( href ),
+			'is-transient': isBlobURL( href ),
 		} );
 
 		return (

packages/block-library/src/gallery/gallery-image.js

@@ -12,6 +12,7 @@ import { __ } from '@wordpress/i18n';
 import { BACKSPACE, DELETE } from '@wordpress/keycodes';
 import { withSelect } from '@wordpress/data';
 import { RichText } from '@wordpress/editor';
+import { isBlobURL } from '@wordpress/blob';
 
 class GalleryImage extends Component {
 	constructor() {
@@ -105,7 +106,7 @@ class GalleryImage extends Component {
 
 		const className = classnames( {
 			'is-selected': isSelected,
-			'is-transient': url && 0 === url.indexOf( 'blob:' ),
+			'is-transient': isBlobURL( url ),
 		} );
 
 		// Disable reason: Each block can be selected by clicking on it and we should keep the same saved markup

packages/block-library/src/gallery/test/__snapshots__/index.js.snap

@@ -62,7 +62,7 @@ exports[`core/gallery block edit matches snapshot 1`] = `
       class="components-form-file-upload"
     >
       <button
-        class="components-button components-icon-button editor-media-placeholder__upload-button is-button is-default is-large"
+        class="components-button components-icon-button editor-media-placeholder__button is-button is-default is-large"
         type="button"
       >
         <svg

packages/block-library/src/image/edit.js

@@ -15,7 +15,7 @@ import {
  */
 import { __ } from '@wordpress/i18n';
 import { Component, Fragment } from '@wordpress/element';
-import { getBlobByURL, revokeBlobURL } from '@wordpress/blob';
+import { getBlobByURL, revokeBlobURL, isBlobURL } from '@wordpress/blob';
 import {
 	Button,
 	ButtonGroup,
@@ -60,31 +60,56 @@ export const pickRelevantMediaFiles = ( image ) => {
 	return pick( image, [ 'alt', 'id', 'link', 'url', 'caption' ] );
 };
 
+/**
+ * Is the URL a temporary blob URL? A blob URL is one that is used temporarily
+ * while the image is being uploaded and will not have an id yet allocated.
+ *
+ * @param {number=} id The id of the image.
+ * @param {string=} url The url of the image.
+ *
+ * @return {boolean} Is the URL a Blob URL
+ */
+const isTemporaryImage = ( id, url ) => ! id && isBlobURL( url );
+
+/**
+ * Is the url for the image hosted externally. An externally hosted image has no id
+ * and is not a blob url.
+ *
+ * @param {number=} id  The id of the image.
+ * @param {string=} url The url of the image.
+ *
+ * @return {boolean} Is the url an externally hosted url?
+ */
+const isExternalImage = ( id, url ) => url && ! id && ! isBlobURL( url );
+
 class ImageEdit extends Component {
-	constructor() {
+	constructor( { attributes } ) {
 		super( ...arguments );
 		this.updateAlt = this.updateAlt.bind( this );
 		this.updateAlignment = this.updateAlignment.bind( this );
 		this.onFocusCaption = this.onFocusCaption.bind( this );
 		this.onImageClick = this.onImageClick.bind( this );
 		this.onSelectImage = this.onSelectImage.bind( this );
+		this.onSelectURL = this.onSelectURL.bind( this );
 		this.updateImageURL = this.updateImageURL.bind( this );
 		this.updateWidth = this.updateWidth.bind( this );
 		this.updateHeight = this.updateHeight.bind( this );
 		this.updateDimensions = this.updateDimensions.bind( this );
 		this.onSetCustomHref = this.onSetCustomHref.bind( this );
 		this.onSetLinkDestination = this.onSetLinkDestination.bind( this );
+		this.toggleIsEditing = this.toggleIsEditing.bind( this );
 
 		this.state = {
 			captionFocused: false,
+			isEditing: ! attributes.url,
 		};
 	}
 
 	componentDidMount() {
 		const { attributes, setAttributes } = this.props;
 		const { id, url = '' } = attributes;
 
-		if ( ! id && url.indexOf( 'blob:' ) === 0 ) {
+		if ( isTemporaryImage( id, url ) ) {
 			const file = getBlobByURL( url );
 
 			if ( file ) {
@@ -100,10 +125,10 @@ class ImageEdit extends Component {
 	}
 
 	componentDidUpdate( prevProps ) {
-		const { id: prevID, url: prevUrl = '' } = prevProps.attributes;
+		const { id: prevID, url: prevURL = '' } = prevProps.attributes;
 		const { id, url = '' } = this.props.attributes;
 
-		if ( ! prevID && prevUrl.indexOf( 'blob:' ) === 0 && id && url.indexOf( 'blob:' ) === -1 ) {
+		if ( isTemporaryImage( prevID, prevURL ) && ! isTemporaryImage( id, url ) ) {
 			revokeBlobURL( url );
 		}
 
@@ -125,6 +150,10 @@ class ImageEdit extends Component {
 			return;
 		}
 
+		this.setState( {
+			isEditing: false,
+		} );
+
 		this.props.setAttributes( {
 			...pickRelevantMediaFiles( media ),
 			width: undefined,
@@ -151,6 +180,21 @@ class ImageEdit extends Component {
 		} );
 	}
 
+	onSelectURL( newURL ) {
+		const { url } = this.props.attributes;
+
+		if ( newURL !== url ) {
+			this.props.setAttributes( {
+				url: newURL,
+				id: undefined,
+			} );
+		}
+
+		this.setState( {
+			isEditing: false,
+		} );
+	}
+
 	onSetCustomHref( value ) {
 		this.props.setAttributes( { href: value } );
 	}
@@ -213,17 +257,33 @@ class ImageEdit extends Component {
 		];
 	}
 
+	toggleIsEditing() {
+		this.setState( {
+			isEditing: ! this.state.isEditing,
+		} );
+	}
+
 	render() {
+		const { isEditing } = this.state;
 		const { attributes, setAttributes, isLargeViewport, isSelected, className, maxWidth, noticeOperations, noticeUI, toggleSelection, isRTL } = this.props;
 		const { url, alt, caption, align, id, href, linkDestination, width, height } = attributes;
+		const isExternal = isExternalImage( id, url );
 
-		const controls = (
-			<BlockControls>
-				<BlockAlignmentToolbar
-					value={ align }
-					onChange={ this.updateAlignment }
-				/>
-				{ !! url && (
+		let toolbarEditButton;
+		if ( url ) {
+			if ( isExternal ) {
+				toolbarEditButton = (
+					<Toolbar>
+						<IconButton
+							className="components-icon-button components-toolbar__control"
+							label={ __( 'Edit image' ) }
+							onClick={ this.toggleIsEditing }
+							icon="edit"
+						/>
+					</Toolbar>
+				);
+			} else {
+				toolbarEditButton = (
 					<Toolbar>
 						<MediaUpload
 							onSelect={ this.onSelectImage }
@@ -239,11 +299,22 @@ class ImageEdit extends Component {
 							) }
 						/>
 					</Toolbar>
-				) }
+				);
+			}
+		}
+
+		const controls = (
+			<BlockControls>
+				<BlockAlignmentToolbar
+					value={ align }
+					onChange={ this.updateAlignment }
+				/>
+				{ toolbarEditButton }
 			</BlockControls>
 		);
 
-		if ( ! url ) {
+		if ( isEditing ) {
+			const src = isExternal ? url : undefined;
 			return (
 				<Fragment>
 					{ controls }
@@ -255,17 +326,19 @@ class ImageEdit extends Component {
 						} }
 						className={ className }
 						onSelect={ this.onSelectImage }
+						onSelectURL={ this.onSelectURL }
 						notices={ noticeUI }
 						onError={ noticeOperations.createErrorNotice }
 						accept="image/*"
 						allowedTypes={ ALLOWED_MEDIA_TYPES }
+						value={ { id, src } }
 					/>
 				</Fragment>
 			);
 		}
 
 		const classes = classnames( className, {
-			'is-transient': 0 === url.indexOf( 'blob:' ),
+			'is-transient': isBlobURL( url ),
 			'is-resized': !! width || !! height,
 			'is-focused': isSelected,
 		} );