imageresizehandles.js 13 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. /* global document */
  6. // ClassicTestEditor can't be used, as it doesn't handle the focus, which is needed to test resizer visual cues.
  7. import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
  8. import Image from '../../src/image';
  9. import ImageToolbar from '../../src/imagetoolbar';
  10. import ImageResizeEditing from '../../src/imageresize/imageresizeediting';
  11. import ImageResizeHandles from '../../src/imageresize/imageresizehandles';
  12. import ImageTextAlternative from '../../src/imagetextalternative';
  13. import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
  14. import ImageStyle from '../../src/imagestyle';
  15. import Undo from '@ckeditor/ckeditor5-undo/src/undo';
  16. import Table from '@ckeditor/ckeditor5-table/src/table';
  17. import Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';
  18. import { setData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
  19. import {
  20. focusEditor,
  21. resizerMouseSimulator,
  22. getWidgetDomParts,
  23. getHandleCenterPoint
  24. } from '@ckeditor/ckeditor5-widget/tests/widgetresize/_utils/utils';
  25. import WidgetResize from '@ckeditor/ckeditor5-widget/src/widgetresize';
  26. describe( 'ImageResizeHandles', () => {
  27. // 100x50 black png image
  28. const IMAGE_SRC_FIXTURE = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyCAQAAAAAPLY1AAAAQklEQVR42u3PQREAAAgDoK1/' +
  29. 'aM3g14MGNJMXKiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiJysRFNMgH0RpujAAAAAElFTkSuQmCC';
  30. let widget, editor, view, viewDocument, editorElement;
  31. beforeEach( () => {
  32. editorElement = document.createElement( 'div' );
  33. document.body.appendChild( editorElement );
  34. } );
  35. afterEach( async () => {
  36. editorElement.remove();
  37. if ( editor ) {
  38. await editor.destroy();
  39. }
  40. } );
  41. it( 'should be named', () => {
  42. expect( ImageResizeHandles.pluginName ).to.equal( 'ImageResizeHandles' );
  43. } );
  44. it( 'uses percents by default', async () => {
  45. const localEditor = await createEditor( {
  46. plugins: [ Image, ImageResizeEditing, ImageResizeHandles ]
  47. } );
  48. const attachToSpy = sinon.spy( localEditor.plugins.get( WidgetResize ), 'attachTo' );
  49. setData( localEditor.model, `[<image imageStyle="side" src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  50. expect( attachToSpy.args[ 0 ][ 0 ] ).to.have.a.property( 'unit', '%' );
  51. attachToSpy.restore();
  52. await localEditor.destroy();
  53. } );
  54. describe( 'command', () => {
  55. beforeEach( async () => {
  56. editor = await createEditor();
  57. } );
  58. it( 'uses the command on commit', async () => {
  59. const spy = sinon.spy( editor.commands.get( 'imageResize' ), 'execute' );
  60. setData( editor.model, `<paragraph>foo</paragraph>[<image src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  61. widget = viewDocument.getRoot().getChild( 1 );
  62. const domParts = getWidgetDomParts( editor, widget, 'bottom-left' );
  63. const finalPointerPosition = getHandleCenterPoint( domParts.widget, 'bottom-left' ).moveBy( 10, -10 );
  64. resizerMouseSimulator.dragTo( editor, domParts.resizeHandle, finalPointerPosition );
  65. expect( spy.calledOnce ).to.be.true;
  66. expect( spy.args[ 0 ][ 0 ] ).to.deep.equal( { width: '80px' } );
  67. } );
  68. it( 'disables the resizer if the command is disabled', async () => {
  69. setData( editor.model, `<paragraph>foo</paragraph>[<image src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  70. const resizer = getSelectedImageResizer( editor );
  71. let isEnabled = false;
  72. editor.commands.get( 'imageResize' ).on( 'set:isEnabled', evt => {
  73. evt.return = isEnabled;
  74. evt.stop();
  75. }, { priority: 'highest' } );
  76. editor.commands.get( 'imageResize' ).refresh();
  77. expect( resizer.isEnabled ).to.be.false;
  78. isEnabled = true;
  79. editor.commands.get( 'imageResize' ).refresh();
  80. expect( resizer.isEnabled ).to.be.true;
  81. } );
  82. it( 'the resizer is disabled from the beginning when the command is disabled when the image is inserted', async () => {
  83. setData( editor.model, '<paragraph>foo[]</paragraph>' );
  84. editor.commands.get( 'imageResize' ).on( 'set:isEnabled', evt => {
  85. evt.return = false;
  86. evt.stop();
  87. }, { priority: 'highest' } );
  88. editor.commands.get( 'imageResize' ).refresh();
  89. editor.model.change( writer => {
  90. editor.model.insertContent( writer.createElement( 'image', { src: IMAGE_SRC_FIXTURE } ) );
  91. } );
  92. const resizer = getSelectedImageResizer( editor );
  93. const resizerWrapper = editor.ui.getEditableElement().querySelector( '.ck-widget__resizer' );
  94. expect( resizer.isEnabled ).to.be.false;
  95. expect( resizerWrapper.style.display ).to.equal( 'none' );
  96. } );
  97. } );
  98. describe( 'side image resizing', () => {
  99. beforeEach( async () => {
  100. editor = await createEditor();
  101. setData( editor.model, `<paragraph>foo</paragraph>[<image imageStyle="side" src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  102. widget = viewDocument.getRoot().getChild( 1 );
  103. } );
  104. it( 'doesn\'t flicker at the beginning of the resize', async () => {
  105. // (#5189)
  106. const resizerPosition = 'bottom-left';
  107. const domParts = getWidgetDomParts( editor, widget, resizerPosition );
  108. const initialPointerPosition = getHandleCenterPoint( domParts.widget, resizerPosition );
  109. const resizeWrapperView = widget.getChild( 2 );
  110. resizerMouseSimulator.down( editor, domParts.resizeHandle );
  111. resizerMouseSimulator.move( editor, domParts.resizeHandle, null, initialPointerPosition );
  112. expect( resizeWrapperView.getStyle( 'width' ) ).to.equal( '100px' );
  113. resizerMouseSimulator.up( editor );
  114. } );
  115. it( 'makes no change when clicking the handle without drag', () => {
  116. const resizerPosition = 'bottom-left';
  117. const expectedWidth = 100;
  118. const domParts = getWidgetDomParts( editor, widget, resizerPosition );
  119. resizerMouseSimulator.down( editor, domParts.resizeHandle );
  120. expect( getDomWidth( domParts.widget ), 'DOM width check' ).to.be.closeTo( expectedWidth, 2 );
  121. resizerMouseSimulator.up( editor );
  122. const modelItem = editor.model.document.getRoot().getChild( 1 );
  123. expect( modelItem.getAttribute( 'width' ), 'model width attribute' ).to.be.undefined;
  124. } );
  125. } );
  126. describe( 'undo integration', () => {
  127. beforeEach( async () => {
  128. editor = await createEditor();
  129. setData( editor.model, `<paragraph>foo</paragraph>[<image src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  130. widget = viewDocument.getRoot().getChild( 1 );
  131. } );
  132. it( 'has correct border size after undo', async () => {
  133. const domParts = getWidgetDomParts( editor, widget, 'bottom-left' );
  134. const initialPosition = getHandleCenterPoint( domParts.widget, 'bottom-left' );
  135. const finalPointerPosition = initialPosition.clone().moveBy( 0, 10 );
  136. const plugin = editor.plugins.get( 'WidgetResize' );
  137. resizerMouseSimulator.dragTo( editor, domParts.resizeHandle, {
  138. from: initialPosition,
  139. to: finalPointerPosition
  140. } );
  141. expect( domParts.widget.style.width ).to.equal( '120px' );
  142. editor.commands.get( 'undo' ).execute();
  143. // Toggle _visibleResizer to force synchronous redraw. Otherwise you'd need to wait ~200ms for
  144. // throttled redraw to take place, making tests slower.
  145. const visibleResizer = plugin._visibleResizer;
  146. plugin._visibleResizer = null;
  147. plugin._visibleResizer = visibleResizer;
  148. const resizerWrapper = document.querySelector( '.ck-widget__resizer' );
  149. const shadowBoundingRect = resizerWrapper.getBoundingClientRect();
  150. expect( shadowBoundingRect.width ).to.equal( 100 );
  151. expect( shadowBoundingRect.height ).to.equal( 50 );
  152. } );
  153. } );
  154. describe( 'table integration', () => {
  155. it( 'works when resizing in a table', async () => {
  156. editor = await createEditor();
  157. setData( editor.model,
  158. '<table>' +
  159. `<tableRow><tableCell>[<image src="${ IMAGE_SRC_FIXTURE }"></image>]</tableCell></tableRow>` +
  160. '</table>'
  161. );
  162. widget = viewDocument.getRoot().getChild( 0 ).getChild( 1 ).getChild( 0 ).getChild( 0 ).getChild( 0 ).getChild( 0 );
  163. const model = editor.model.document.getRoot().getChild( 0 ).getChild( 0 ).getChild( 0 ).getChild( 0 );
  164. const domParts = getWidgetDomParts( editor, widget, 'bottom-right' );
  165. const initialPosition = getHandleCenterPoint( domParts.widget, 'bottom-right' );
  166. const finalPointerPosition = initialPosition.clone().moveBy( -40, -20 );
  167. resizerMouseSimulator.dragTo( editor, domParts.resizeHandle, {
  168. from: initialPosition,
  169. to: finalPointerPosition
  170. } );
  171. expect( model.getAttribute( 'width' ) ).to.equal( '60px' );
  172. } );
  173. } );
  174. describe( 'srcset integration', () => {
  175. // The image is 96x96 pixels.
  176. const imageBaseUrl = '/assets/sample.png';
  177. let model;
  178. let images = [];
  179. before( async () => {
  180. images = await Promise.all( [
  181. preloadImage( imageBaseUrl ),
  182. preloadImage( imageBaseUrl + '?a' ),
  183. preloadImage( imageBaseUrl + '?b' ),
  184. preloadImage( imageBaseUrl + '?c' )
  185. ] );
  186. } );
  187. after( () => {
  188. for ( const image of images ) {
  189. image.remove();
  190. }
  191. } );
  192. beforeEach( async () => {
  193. editor = await createEditor();
  194. editor.setData(
  195. `<figure class="image">
  196. <img src="${ imageBaseUrl }"
  197. srcset="${ imageBaseUrl }?a 110w,
  198. ${ imageBaseUrl }?b 440w,
  199. ${ imageBaseUrl }?c 1025w"
  200. sizes="100vw" width="96">
  201. </figure>`
  202. );
  203. widget = viewDocument.getRoot().getChild( 0 );
  204. model = editor.model.document.getRoot().getChild( 0 );
  205. } );
  206. it( 'works with images containing srcset', () => {
  207. const domParts = getWidgetDomParts( editor, widget, 'bottom-right' );
  208. const initialPosition = getHandleCenterPoint( domParts.widget, 'bottom-right' );
  209. const finalPointerPosition = initialPosition.clone().moveBy( -20, -20 );
  210. resizerMouseSimulator.dragTo( editor, domParts.resizeHandle, {
  211. from: initialPosition,
  212. to: finalPointerPosition
  213. } );
  214. expect( model.getAttribute( 'width' ) ).to.equal( '76px' );
  215. } );
  216. it( 'retains width after removing srcset', () => {
  217. const domParts = getWidgetDomParts( editor, widget, 'bottom-right' );
  218. const initialPosition = getHandleCenterPoint( domParts.widget, 'bottom-right' );
  219. const finalPointerPosition = initialPosition.clone().moveBy( -16, -16 );
  220. resizerMouseSimulator.dragTo( editor, domParts.resizeHandle, {
  221. from: initialPosition,
  222. to: finalPointerPosition
  223. } );
  224. editor.model.change( writer => {
  225. writer.removeAttribute( 'srcset', model );
  226. } );
  227. const expectedHtml = '<figure class="image image_resized" style="width:80px;"><img src="/assets/sample.png"></figure>';
  228. expect( editor.getData() ).to.equal( expectedHtml );
  229. } );
  230. async function preloadImage( imageUrl ) {
  231. const image = document.createElement( 'img' );
  232. image.src = imageUrl;
  233. return new Promise( ( resolve, reject ) => {
  234. image.addEventListener( 'load', () => resolve( image ) );
  235. image.addEventListener( 'error', () => reject( image ) );
  236. document.body.appendChild( image );
  237. } );
  238. }
  239. } );
  240. describe( 'widget toolbar integration', () => {
  241. let widgetToolbarRepository;
  242. beforeEach( async () => {
  243. editor = await createEditor( {
  244. plugins: [
  245. Paragraph,
  246. Image,
  247. ImageResizeEditing,
  248. ImageResizeHandles,
  249. ImageToolbar,
  250. ImageTextAlternative
  251. ],
  252. image: {
  253. toolbar: [ 'imageTextAlternative' ],
  254. resizeUnit: 'px'
  255. }
  256. } );
  257. setData( editor.model, `<paragraph>foo</paragraph>[<image src="${ IMAGE_SRC_FIXTURE }"></image>]` );
  258. widget = viewDocument.getRoot().getChild( 1 );
  259. widgetToolbarRepository = editor.plugins.get( 'WidgetToolbarRepository' );
  260. } );
  261. it( 'default toolbar visibility', async () => {
  262. expect( widgetToolbarRepository.isEnabled ).to.be.true;
  263. } );
  264. it( 'visibility during the resize', async () => {
  265. const domResizeHandle = getWidgetDomParts( editor, widget, 'bottom-left' ).resizeHandle;
  266. resizerMouseSimulator.down( editor, domResizeHandle );
  267. expect( widgetToolbarRepository.isEnabled ).to.be.false;
  268. resizerMouseSimulator.up( editor, domResizeHandle );
  269. } );
  270. it( 'visibility after the resize', async () => {
  271. const domResizeHandle = getWidgetDomParts( editor, widget, 'bottom-left' ).resizeHandle;
  272. resizerMouseSimulator.down( editor, domResizeHandle );
  273. resizerMouseSimulator.up( editor, domResizeHandle );
  274. expect( widgetToolbarRepository.isEnabled ).to.be.true;
  275. } );
  276. it( 'visibility after the resize was canceled', async () => {
  277. const resizer = getSelectedImageResizer( editor );
  278. const domResizeHandle = getWidgetDomParts( editor, widget, 'bottom-left' ).resizeHandle;
  279. resizerMouseSimulator.down( editor, domResizeHandle );
  280. resizer.cancel();
  281. expect( widgetToolbarRepository.isEnabled ).to.be.true;
  282. } );
  283. it( 'restores toolbar when clicking the handle without drag', () => {
  284. // (https://github.com/ckeditor/ckeditor5-widget/pull/112#pullrequestreview-337725256).
  285. const domResizeHandle = getWidgetDomParts( editor, widget, 'bottom-left' ).resizeHandle;
  286. resizerMouseSimulator.down( editor, domResizeHandle );
  287. resizerMouseSimulator.up( editor, domResizeHandle );
  288. expect( widgetToolbarRepository.isEnabled ).to.be.true;
  289. } );
  290. } );
  291. function getDomWidth( domElement ) {
  292. return new Rect( domElement ).width;
  293. }
  294. function getSelectedImageResizer( editor ) {
  295. return editor.plugins.get( 'WidgetResize' )._getResizerByViewElement(
  296. editor.editing.view.document.selection.getSelectedElement()
  297. );
  298. }
  299. function createEditor( config ) {
  300. return ClassicEditor.create( editorElement, config || {
  301. plugins: [ Image, ImageStyle, Paragraph, Undo, Table, ImageResizeEditing, ImageResizeHandles ],
  302. image: {
  303. resizeUnit: 'px'
  304. }
  305. } ).then( newEditor => {
  306. view = newEditor.editing.view;
  307. viewDocument = view.document;
  308. focusEditor( newEditor );
  309. return newEditor;
  310. } );
  311. }
  312. } );