renderer.js 149 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. /* globals document, window, NodeFilter, MutationObserver */
  6. import View from '../../src/view/view';
  7. import ViewElement from '../../src/view/element';
  8. import ViewEditableElement from '../../src/view/editableelement';
  9. import ViewContainerElement from '../../src/view/containerelement';
  10. import ViewAttributeElement from '../../src/view/attributeelement';
  11. import ViewText from '../../src/view/text';
  12. import ViewRange from '../../src/view/range';
  13. import ViewPosition from '../../src/view/position';
  14. import UIElement from '../../src/view/uielement';
  15. import Renderer from '../../src/view/renderer';
  16. import DocumentFragment from '../../src/view/documentfragment';
  17. import DowncastWriter from '../../src/view/downcastwriter';
  18. import { parse, stringify, setData as setViewData, getData as getViewData } from '../../src/dev-utils/view';
  19. import { BR_FILLER, INLINE_FILLER, INLINE_FILLER_LENGTH } from '../../src/view/filler';
  20. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  21. import createViewRoot from './_utils/createroot';
  22. import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';
  23. import normalizeHtml from '@ckeditor/ckeditor5-utils/tests/_utils/normalizehtml';
  24. import env from '@ckeditor/ckeditor5-utils/src/env';
  25. import { expectToThrowCKEditorError } from '@ckeditor/ckeditor5-utils/tests/_utils/utils';
  26. import { StylesProcessor } from '../../src/view/stylesmap';
  27. describe( 'Renderer', () => {
  28. let view, selection, domConverter, renderer, viewDocument;
  29. let stylesProcessor;
  30. testUtils.createSinonSandbox();
  31. before( () => {
  32. stylesProcessor = new StylesProcessor();
  33. } );
  34. beforeEach( () => {
  35. view = new View( stylesProcessor );
  36. viewDocument = view.document;
  37. renderer = new Renderer( view );
  38. domConverter = renderer.domConverter;
  39. selection = renderer.selection;
  40. renderer.domDocuments.add( document );
  41. } );
  42. describe( 'markToSync', () => {
  43. let viewRoot;
  44. beforeEach( () => {
  45. viewRoot = new ViewElement( viewDocument, 'p' );
  46. const domRoot = document.createElement( 'p' );
  47. domConverter.bindElements( domRoot, viewRoot );
  48. viewRoot._appendChild( new ViewText( viewDocument, 'foo' ) );
  49. renderer.markedTexts.clear();
  50. renderer.markedAttributes.clear();
  51. renderer.markedChildren.clear();
  52. } );
  53. it( 'should mark attributes which need update', () => {
  54. viewRoot._setAttribute( 'class', 'foo' );
  55. renderer.markToSync( 'attributes', viewRoot );
  56. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  57. } );
  58. it( 'should mark children which need update', () => {
  59. viewRoot._appendChild( new ViewText( viewDocument, 'foo' ) );
  60. renderer.markToSync( 'children', viewRoot );
  61. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  62. } );
  63. it( 'should not mark children if element has no corresponding node', () => {
  64. // Overwrite viewRoot with node without coresponding DOM node.
  65. viewRoot = new ViewElement( viewDocument, 'p' );
  66. viewRoot._appendChild( new ViewText( viewDocument, 'foo' ) );
  67. renderer.markToSync( 'children', viewRoot );
  68. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  69. } );
  70. it( 'should mark text which need update', () => {
  71. const viewText = new ViewText( viewDocument, 'foo' );
  72. viewRoot._appendChild( viewText );
  73. viewText._data = 'bar';
  74. renderer.markToSync( 'text', viewText );
  75. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  76. } );
  77. it( 'should not mark text if parent has no corresponding node', () => {
  78. const viewText = new ViewText( viewDocument, 'foo' );
  79. // Overwrite viewRoot with node without coresponding DOM node.
  80. viewRoot = new ViewElement( viewDocument, 'p' );
  81. viewRoot._appendChild( viewText );
  82. viewText._data = 'bar';
  83. renderer.markToSync( 'text', viewText );
  84. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  85. } );
  86. it( 'should throw if the type is unknown', () => {
  87. expectToThrowCKEditorError( () => {
  88. renderer.markToSync( 'UNKNOWN', viewRoot );
  89. }, /^view-renderer-unknown-type/, selection );
  90. } );
  91. } );
  92. describe( 'render', () => {
  93. let viewRoot, domRoot;
  94. beforeEach( () => {
  95. viewRoot = new ViewEditableElement( viewDocument, 'div' );
  96. viewRoot.getFillerOffset = () => null;
  97. domRoot = document.createElement( 'div' );
  98. document.body.appendChild( domRoot );
  99. domConverter.bindElements( domRoot, viewRoot );
  100. renderer.markedTexts.clear();
  101. renderer.markedAttributes.clear();
  102. renderer.markedChildren.clear();
  103. selection._setTo( null );
  104. renderer.isFocused = true;
  105. } );
  106. afterEach( () => {
  107. domRoot.remove();
  108. } );
  109. it( 'should update attributes', () => {
  110. viewRoot._setAttribute( 'class', 'foo' );
  111. renderer.markToSync( 'attributes', viewRoot );
  112. renderer.render();
  113. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  114. expect( renderer.markedAttributes.size ).to.equal( 0 );
  115. } );
  116. it( 'should remove attributes', () => {
  117. viewRoot._setAttribute( 'class', 'foo' );
  118. domRoot.setAttribute( 'id', 'bar' );
  119. domRoot.setAttribute( 'class', 'bar' );
  120. renderer.markToSync( 'attributes', viewRoot );
  121. renderer.render();
  122. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  123. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  124. expect( renderer.markedAttributes.size ).to.equal( 0 );
  125. } );
  126. it( 'should add children', () => {
  127. viewRoot._appendChild( new ViewText( viewDocument, 'foo' ) );
  128. renderer.markToSync( 'children', viewRoot );
  129. renderer.render();
  130. expect( domRoot.childNodes.length ).to.equal( 1 );
  131. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  132. expect( renderer.markedChildren.size ).to.equal( 0 );
  133. } );
  134. it( 'should remove children', () => {
  135. viewRoot._appendChild( new ViewText( viewDocument, 'foo' ) );
  136. renderer.markToSync( 'children', viewRoot );
  137. renderer.render();
  138. expect( domRoot.childNodes.length ).to.equal( 1 );
  139. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  140. viewRoot._removeChildren( 0, 1 );
  141. renderer.markToSync( 'children', viewRoot );
  142. renderer.render();
  143. expect( domRoot.childNodes.length ).to.equal( 0 );
  144. expect( renderer.markedChildren.size ).to.equal( 0 );
  145. } );
  146. it( 'should update text', () => {
  147. const viewText = new ViewText( viewDocument, 'foo' );
  148. viewRoot._appendChild( viewText );
  149. renderer.markToSync( 'children', viewRoot );
  150. renderer.render();
  151. expect( domRoot.childNodes.length ).to.equal( 1 );
  152. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  153. viewText._data = 'bar';
  154. renderer.markToSync( 'text', viewText );
  155. renderer.render();
  156. expect( domRoot.childNodes.length ).to.equal( 1 );
  157. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  158. expect( renderer.markedTexts.size ).to.equal( 0 );
  159. } );
  160. it( 'should not update same text', () => {
  161. const viewText = new ViewText( viewDocument, 'foo' );
  162. viewRoot._appendChild( viewText );
  163. renderer.markToSync( 'children', viewRoot );
  164. renderer.render();
  165. expect( domRoot.childNodes.length ).to.equal( 1 );
  166. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  167. viewText._data = 'foo';
  168. renderer.markToSync( 'text', viewText );
  169. renderAndExpectNoChanges( renderer, domRoot );
  170. expect( domRoot.childNodes.length ).to.equal( 1 );
  171. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  172. expect( renderer.markedTexts.size ).to.equal( 0 );
  173. } );
  174. it( 'should not update text parent child list changed', () => {
  175. const viewImg = new ViewElement( viewDocument, 'img' );
  176. const viewText = new ViewText( viewDocument, 'foo' );
  177. viewRoot._appendChild( [ viewImg, viewText ] );
  178. renderer.markToSync( 'children', viewRoot );
  179. renderer.markToSync( 'text', viewText );
  180. renderer.render();
  181. expect( domRoot.childNodes.length ).to.equal( 2 );
  182. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  183. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  184. } );
  185. it( 'should not change text if it is the same during text rendering', () => {
  186. const viewText = new ViewText( viewDocument, 'foo' );
  187. viewRoot._appendChild( viewText );
  188. renderer.markToSync( 'children', viewRoot );
  189. renderer.render();
  190. // This should not be changed during the render.
  191. const domText = domRoot.childNodes[ 0 ];
  192. renderer.markToSync( 'text', viewText );
  193. renderer.render();
  194. expect( domRoot.childNodes.length ).to.equal( 1 );
  195. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  196. } );
  197. it( 'should not change text if it is the same during children rendering', () => {
  198. const viewText = new ViewText( viewDocument, 'foo' );
  199. viewRoot._appendChild( viewText );
  200. renderer.markToSync( 'children', viewRoot );
  201. renderer.render();
  202. // This should not be changed during the render.
  203. const domText = domRoot.childNodes[ 0 ];
  204. renderer.markToSync( 'children', viewRoot );
  205. renderer.render();
  206. expect( domRoot.childNodes.length ).to.equal( 1 );
  207. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  208. } );
  209. it( 'should not change element if it is the same', () => {
  210. const viewImg = new ViewElement( viewDocument, 'img' );
  211. viewRoot._appendChild( viewImg );
  212. // This should not be changed during the render.
  213. const domImg = document.createElement( 'img' );
  214. domRoot.appendChild( domImg );
  215. domConverter.bindElements( domImg, viewImg );
  216. renderer.markToSync( 'children', viewRoot );
  217. renderer.render();
  218. expect( domRoot.childNodes.length ).to.equal( 1 );
  219. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  220. } );
  221. it( 'should change element if it is different', () => {
  222. const viewImg = new ViewElement( viewDocument, 'img' );
  223. viewRoot._appendChild( viewImg );
  224. renderer.markToSync( 'children', viewRoot );
  225. renderer.render();
  226. const viewP = new ViewElement( viewDocument, 'p' );
  227. viewRoot._removeChildren( 0, 1 );
  228. viewRoot._appendChild( viewP );
  229. renderer.markToSync( 'children', viewRoot );
  230. renderer.render();
  231. expect( domRoot.childNodes.length ).to.equal( 1 );
  232. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  233. } );
  234. it( 'should update removed item when it is reinserted', () => {
  235. const viewFoo = new ViewText( viewDocument, 'foo' );
  236. const viewP = new ViewElement( viewDocument, 'p', null, viewFoo );
  237. const viewDiv = new ViewElement( viewDocument, 'div', null, viewP );
  238. viewRoot._appendChild( viewDiv );
  239. renderer.markToSync( 'children', viewRoot );
  240. renderer.render();
  241. viewDiv._removeChildren( 0, 1 );
  242. renderer.markToSync( 'children', viewDiv );
  243. renderer.render();
  244. viewP._removeChildren( 0, 1 );
  245. viewDiv._appendChild( viewP );
  246. renderer.markToSync( 'children', viewDiv );
  247. renderer.render();
  248. expect( domRoot.childNodes.length ).to.equal( 1 );
  249. const domDiv = domRoot.childNodes[ 0 ];
  250. expect( domDiv.tagName ).to.equal( 'DIV' );
  251. expect( domDiv.childNodes.length ).to.equal( 1 );
  252. const domP = domDiv.childNodes[ 0 ];
  253. expect( domP.tagName ).to.equal( 'P' );
  254. expect( domP.childNodes.length ).to.equal( 0 );
  255. } );
  256. it( 'should update removed item when it is reinserted #2', () => {
  257. // Prepare view: root -> div "outer" -> div "inner" -> p.
  258. const viewP = new ViewElement( viewDocument, 'p' );
  259. const viewDivInner = new ViewElement( viewDocument, 'div', null, viewP );
  260. const viewDivOuter = new ViewElement( viewDocument, 'div', null, viewDivInner );
  261. viewRoot._appendChild( viewDivOuter );
  262. // Render view tree to DOM.
  263. renderer.markToSync( 'children', viewRoot );
  264. renderer.render();
  265. // Remove div "outer" from root and render it.
  266. viewDivOuter._remove();
  267. renderer.markToSync( 'children', viewRoot );
  268. renderer.render();
  269. // Remove p from div "child" -- div "inner" won't be marked because it is in document fragment not view root.
  270. viewP._remove();
  271. // Add div "outer" back to root.
  272. viewRoot._appendChild( viewDivOuter );
  273. renderer.markToSync( 'children', viewRoot );
  274. // Render changes, view is: root -> div "outer" -> div "inner".
  275. renderer.render();
  276. // Same is expected in DOM.
  277. expect( domRoot.childNodes.length ).to.equal( 1 );
  278. const domDivOuter = domRoot.childNodes[ 0 ];
  279. expect( renderer.domConverter.viewToDom( viewDivOuter, domRoot.document ) ).to.equal( domDivOuter );
  280. expect( domDivOuter.tagName ).to.equal( 'DIV' );
  281. expect( domDivOuter.childNodes.length ).to.equal( 1 );
  282. const domDivInner = domDivOuter.childNodes[ 0 ];
  283. expect( renderer.domConverter.viewToDom( viewDivInner, domRoot.document ) ).to.equal( domDivInner );
  284. expect( domDivInner.tagName ).to.equal( 'DIV' );
  285. expect( domDivInner.childNodes.length ).to.equal( 0 );
  286. } );
  287. it( 'should not throw when trying to update children of view element that got removed and lost its binding', () => {
  288. const viewFoo = new ViewText( viewDocument, 'foo' );
  289. const viewP = new ViewElement( viewDocument, 'p', null, viewFoo );
  290. const viewDiv = new ViewElement( viewDocument, 'div', null, viewP );
  291. viewRoot._appendChild( viewDiv );
  292. renderer.markToSync( 'children', viewRoot );
  293. renderer.render();
  294. viewRoot._removeChildren( 0, 1 );
  295. renderer.markToSync( 'children', viewRoot );
  296. viewDiv._removeChildren( 0, 1 );
  297. renderer.markToSync( 'children', viewDiv );
  298. viewP._removeChildren( 0, 1 );
  299. renderer.markToSync( 'children', viewP );
  300. renderer.render();
  301. expect( domRoot.childNodes.length ).to.equal( 0 );
  302. } );
  303. it( 'should not care about filler if there is no DOM', () => {
  304. const { view: viewP, selection: newSelection } = parse(
  305. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  306. const viewRoot = new ViewElement( viewDocument, 'p' );
  307. viewRoot._appendChild( viewP );
  308. selection._setTo( newSelection );
  309. renderer.markToSync( 'children', viewRoot );
  310. renderer.render();
  311. // Expect no error on render.
  312. expect( viewRoot ).to.be.ok;
  313. } );
  314. it( 'should not add filler when inside contenteditable=false parent', () => {
  315. const { view: viewP, selection: newSelection } = parse(
  316. '<container:p>foo<attribute:b contenteditable="false">[]</attribute:b>bar</container:p>' );
  317. viewRoot._appendChild( viewP );
  318. selection._setTo( newSelection );
  319. renderer.markToSync( 'children', viewRoot );
  320. renderer.render();
  321. expect( domRoot.childNodes.length ).to.equal( 1 );
  322. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  323. const domP = domRoot.childNodes[ 0 ];
  324. expect( domP.childNodes.length ).to.equal( 3 );
  325. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  326. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  327. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  328. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  329. } );
  330. it( 'should not add filler when inside contenteditable=false ancestor', () => {
  331. const { view: viewP, selection: newSelection } = parse(
  332. '<container:p contenteditable="false">foo<attribute:b>[]</attribute:b>bar</container:p>' );
  333. viewRoot._appendChild( viewP );
  334. selection._setTo( newSelection );
  335. renderer.markToSync( 'children', viewRoot );
  336. renderer.render();
  337. expect( domRoot.childNodes.length ).to.equal( 1 );
  338. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  339. const domP = domRoot.childNodes[ 0 ];
  340. expect( domP.childNodes.length ).to.equal( 3 );
  341. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  342. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  343. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  344. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  345. } );
  346. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  347. const domSelection = document.getSelection();
  348. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  349. const { view: viewP, selection: newSelection } = parse(
  350. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  351. viewRoot._appendChild( viewP );
  352. selection._setTo( newSelection );
  353. renderer.markToSync( 'children', viewRoot );
  354. renderer.render();
  355. expect( domRoot.childNodes.length ).to.equal( 1 );
  356. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  357. const domP = domRoot.childNodes[ 0 ];
  358. expect( domP.childNodes.length ).to.equal( 3 );
  359. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  360. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  361. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  362. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  363. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  364. expect( domSelection.rangeCount ).to.equal( 1 );
  365. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  366. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  367. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  368. // Step 2: No mutation on second render
  369. renderer.markToSync( 'children', viewRoot );
  370. renderer.markToSync( 'children', viewP );
  371. renderAndExpectNoChanges( renderer, domRoot );
  372. // Step 3: <p>foo{}<b></b></p>
  373. selection._setTo( ViewRange._createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  374. renderer.render();
  375. expect( domP.childNodes.length ).to.equal( 3 );
  376. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  377. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  378. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  379. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  380. expect( domSelection.rangeCount ).to.equal( 1 );
  381. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  382. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  383. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  384. // Step 4: No mutation on second render
  385. renderer.markToSync( 'children', viewRoot );
  386. renderer.markToSync( 'children', viewP );
  387. renderAndExpectNoChanges( renderer, domRoot );
  388. } );
  389. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  390. const domSelection = document.getSelection();
  391. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  392. const { view: viewP, selection: newSelection } = parse(
  393. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  394. viewRoot._appendChild( viewP );
  395. selection._setTo( newSelection );
  396. renderer.markToSync( 'children', viewRoot );
  397. renderer.render();
  398. const domP = domRoot.childNodes[ 0 ];
  399. expect( domP.childNodes.length ).to.equal( 2 );
  400. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  401. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  402. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  403. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  404. expect( domSelection.rangeCount ).to.equal( 1 );
  405. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  406. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  407. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  408. // Step 2: No mutation on second render
  409. renderer.markToSync( 'children', viewP );
  410. renderAndExpectNoChanges( renderer, domRoot );
  411. // Step 3: <p><b>{}foo</b></p>
  412. selection._setTo( ViewRange._createFromParentsAndOffsets(
  413. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  414. renderer.render();
  415. expect( domP.childNodes.length ).to.equal( 1 );
  416. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  417. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  418. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  419. expect( domSelection.rangeCount ).to.equal( 1 );
  420. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ].childNodes[ 0 ] );
  421. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  422. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  423. // Step 4: No mutation on second render
  424. renderer.markToSync( 'children', viewP );
  425. renderAndExpectNoChanges( renderer, domRoot );
  426. } );
  427. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  428. const domSelection = document.getSelection();
  429. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  430. const { view: viewP, selection: newSelection } = parse(
  431. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  432. viewRoot._appendChild( viewP );
  433. selection._setTo( newSelection );
  434. renderer.markToSync( 'children', viewRoot );
  435. renderer.render();
  436. const domP = domRoot.childNodes[ 0 ];
  437. expect( domP.childNodes.length ).to.equal( 2 );
  438. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  439. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  440. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  441. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  442. expect( domSelection.rangeCount ).to.equal( 1 );
  443. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  444. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  445. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  446. // Step 2: No mutation on second render
  447. renderer.markToSync( 'children', viewP );
  448. renderAndExpectNoChanges( renderer, domRoot );
  449. // Step 3: <p><b>foo{}</b></p>
  450. selection._setTo( ViewRange._createFromParentsAndOffsets(
  451. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  452. renderer.render();
  453. expect( domP.childNodes.length ).to.equal( 1 );
  454. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  455. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  456. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  457. expect( domSelection.rangeCount ).to.equal( 1 );
  458. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ].childNodes[ 0 ] );
  459. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  460. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  461. // Step 4: No mutation on second render
  462. renderer.markToSync( 'children', viewP );
  463. renderAndExpectNoChanges( renderer, domRoot );
  464. } );
  465. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  466. const domSelection = document.getSelection();
  467. const { view: viewP, selection: newSelection } = parse(
  468. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  469. viewRoot._appendChild( viewP );
  470. selection._setTo( newSelection );
  471. renderer.markToSync( 'children', viewRoot );
  472. renderer.render();
  473. const domP = domRoot.childNodes[ 0 ];
  474. expect( domP.childNodes.length ).to.equal( 3 );
  475. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  476. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  477. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  478. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  479. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  480. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  481. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  482. expect( domSelection.rangeCount ).to.equal( 1 );
  483. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  484. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  485. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  486. } );
  487. it( 'should move filler when selection is moved', () => {
  488. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  489. const { view: viewP, selection: newSelection } = parse(
  490. '<container:p>foo<attribute:b>[]</attribute:b><attribute:i></attribute:i></container:p>' );
  491. viewRoot._appendChild( viewP );
  492. selection._setTo( newSelection );
  493. renderer.markToSync( 'children', viewRoot );
  494. renderer.render();
  495. const domP = domRoot.childNodes[ 0 ];
  496. expect( domP.childNodes.length ).to.equal( 3 );
  497. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  498. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  499. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  500. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  501. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  502. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 0 );
  503. // Step 2: <p>foo<b></b><i>"FILLER{}"</i></p>
  504. const viewI = viewP.getChild( 2 );
  505. selection._setTo( ViewRange._createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  506. renderer.render();
  507. expect( domP.childNodes.length ).to.equal( 3 );
  508. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  509. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  510. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  511. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  512. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  513. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  514. } );
  515. it( 'should remove filler when text is added and selection removed', () => {
  516. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  517. const { view: viewP, selection: newSelection } = parse( '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  518. const viewB = viewP.getChild( 1 );
  519. viewRoot._appendChild( viewP );
  520. selection._setTo( newSelection );
  521. renderer.markToSync( 'children', viewRoot );
  522. renderer.render();
  523. const domP = domRoot.childNodes[ 0 ];
  524. expect( domP.childNodes.length ).to.equal( 2 );
  525. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  526. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  527. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  528. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  529. // Step 2: Add text node.
  530. const viewText = new ViewText( viewDocument, 'x' );
  531. viewB._appendChild( viewText );
  532. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  533. renderer.markToSync( 'children', viewB );
  534. renderer.render();
  535. // Step 3: Remove selection from the view.
  536. selection._setTo( null );
  537. renderer.render();
  538. expect( domP.childNodes.length ).to.equal( 2 );
  539. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  540. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  541. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  542. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'x' );
  543. } );
  544. // #659
  545. // The element before the filler is removed so the position of the filler
  546. // cannot be remembered as parent+offset.
  547. it( 'should remove filler from a modified DOM in case <p>bar<b>foo</b>[]</p>', () => {
  548. // Step 1: <p>bar<b>foo</b>"FILLER{}"</p>
  549. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>foo</attribute:b>[]</container:p>' );
  550. viewRoot._appendChild( viewP );
  551. selection._setTo( newSelection );
  552. renderer.markToSync( 'children', viewRoot );
  553. renderer.render();
  554. const domP = domRoot.childNodes[ 0 ];
  555. expect( domP.childNodes.length ).to.equal( 3 );
  556. expect( domP.childNodes[ 2 ].data ).to.equal( INLINE_FILLER );
  557. // Step 2: Remove the <b> and update the selection (<p>bar[]</p>).
  558. viewP._removeChildren( 1 );
  559. selection._setTo( ViewRange._createFromParentsAndOffsets( viewP, 1, viewP, 1 ) );
  560. renderer.markToSync( 'children', viewP );
  561. renderer.render();
  562. // Step 3: Check whether there's no filler in the DOM.
  563. expect( domP.childNodes.length ).to.equal( 1 );
  564. expect( domP.childNodes[ 0 ].data ).to.equal( 'bar' );
  565. } );
  566. // #659
  567. it( 'should remove filler from a modified DOM when children moved', () => {
  568. // Step 1: <p><b>foo</b>"FILLER{}"<b>bar</b></p><p></p>
  569. const { view: viewFragment, selection: newSelection } = parse(
  570. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p><container:p></container:p>'
  571. );
  572. viewRoot._appendChild( viewFragment );
  573. selection._setTo( newSelection );
  574. renderer.markToSync( 'children', viewRoot );
  575. renderer.render();
  576. expect( domRoot.childNodes.length ).to.equal( 2 );
  577. const domP = domRoot.childNodes[ 0 ];
  578. const domP2 = domRoot.childNodes[ 1 ];
  579. expect( domP.childNodes.length ).to.equal( 3 );
  580. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  581. // Step 2: Move <b>foo</b><b>bar</b> to the second paragraph and leave collapsed selection in the first one.
  582. // <p>[]</p><p><b>foo</b><b>bar</b></p>
  583. const viewP = viewRoot.getChild( 0 );
  584. const viewP2 = viewRoot.getChild( 1 );
  585. const removedChildren = viewP._removeChildren( 0, 2 );
  586. viewP2._appendChild( removedChildren );
  587. selection._setTo( ViewRange._createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  588. renderer.markToSync( 'children', viewP );
  589. renderer.markToSync( 'children', viewP2 );
  590. renderer.render();
  591. // Step 3: Check whether in the first paragraph there's a <br> filler and that
  592. // in the second one there are two <b> tags.
  593. expect( domP.childNodes.length ).to.equal( 1 );
  594. expect( domConverter.isBlockFiller( domP.childNodes[ 0 ] ) ).to.be.true;
  595. expect( domP2.childNodes.length ).to.equal( 2 );
  596. expect( domP2.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  597. expect( domP2.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  598. } );
  599. // Test for an edge case in the _isSelectionInInlineFiller which can be triggered like
  600. // in one of ckeditor/ckeditor5-typing#59 automated tests.
  601. it( 'should not break when selection is moved to a new element, when filler exists', () => {
  602. // Step 1: <p>bar<b>"FILLER{}"</b></p>
  603. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>[]</attribute:b></container:p>' );
  604. viewRoot._appendChild( viewP );
  605. selection._setTo( newSelection );
  606. renderer.markToSync( 'children', viewRoot );
  607. renderer.render();
  608. const domP = domRoot.childNodes[ 0 ];
  609. expect( domP.childNodes.length ).to.equal( 2 );
  610. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  611. // Step 2: Move selection to a new attribute element and remove the previous one
  612. viewP._removeChildren( 1 ); // Remove <b>.
  613. const viewI = parse( '<attribute:i></attribute:i>' );
  614. viewP._appendChild( viewI );
  615. selection._setTo( ViewRange._createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  616. renderer.markToSync( 'children', viewP );
  617. renderer.render();
  618. // Step 3: Check whether new filler was created in the <i> element.
  619. expect( domP.childNodes.length ).to.equal( 2 );
  620. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'i' );
  621. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  622. } );
  623. // Test for an edge case in the _isSelectionInInlineFiller, when selection is before a view element
  624. // that has not been yet rendered/bound to DOM.
  625. it( 'should remove inline filler if selection is before a view element not bound to dom', () => {
  626. // Step 1: <p>bar<b>abc</b>"FILLER"{}</p>
  627. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>abc</attribute:b>[]</container:p>' );
  628. viewRoot._appendChild( viewP );
  629. selection._setTo( newSelection );
  630. renderer.markToSync( 'children', viewRoot );
  631. renderer.render();
  632. const domP = domRoot.childNodes[ 0 ];
  633. expect( domP.childNodes.length ).to.equal( 3 );
  634. expect( domP.childNodes[ 2 ].data ).to.equal( INLINE_FILLER );
  635. // Step 2: Move selection to a new attribute element.
  636. const viewAbc = parse( 'abc' );
  637. viewP._appendChild( viewAbc );
  638. selection._setTo( ViewRange._createFromParentsAndOffsets( viewP, 3, viewP, 3 ) );
  639. renderer.markToSync( 'children', viewP );
  640. renderer.render();
  641. // Step 3: Check whether old filler was removed.
  642. expect( domP.childNodes.length ).to.equal( 3 );
  643. expect( domP.textContent.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  644. } );
  645. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  646. const domSelection = document.getSelection();
  647. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  648. viewRoot._appendChild( viewP );
  649. selection._setTo( newSelection );
  650. renderer.markToSync( 'children', viewRoot );
  651. renderer.render();
  652. const domP = domRoot.childNodes[ 0 ];
  653. expect( domP.childNodes.length ).to.equal( 1 );
  654. expect( domConverter.isBlockFiller( domP.childNodes[ 0 ] ) ).to.be.true;
  655. expect( domSelection.rangeCount ).to.equal( 1 );
  656. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  657. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  658. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  659. // Remove filler and add text node to both DOM and View <p>x{}</p>
  660. domP.removeChild( domP.childNodes[ 0 ] );
  661. domP.appendChild( document.createTextNode( 'x' ) );
  662. domSelection.removeAllRanges();
  663. const domRange = document.createRange();
  664. domRange.setStart( domP.childNodes[ 0 ], 1 );
  665. domRange.collapse( true );
  666. domSelection.addRange( domRange );
  667. const viewText = new ViewText( viewDocument, 'x' );
  668. viewP._appendChild( viewText );
  669. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  670. renderer.markToSync( 'children', viewP );
  671. renderAndExpectNoChanges( renderer, domRoot );
  672. } );
  673. it( 'should handle typing in empty block, render if needed', () => {
  674. const domSelection = document.getSelection();
  675. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  676. viewRoot._appendChild( viewP );
  677. selection._setTo( newSelection );
  678. renderer.markToSync( 'children', viewRoot );
  679. renderer.render();
  680. const domP = domRoot.childNodes[ 0 ];
  681. expect( domP.childNodes.length ).to.equal( 1 );
  682. expect( domConverter.isBlockFiller( domP.childNodes[ 0 ] ) ).to.be.true;
  683. expect( domSelection.rangeCount ).to.equal( 1 );
  684. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  685. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  686. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  687. // Add text node only in View <p>x{}</p>
  688. const viewText = new ViewText( viewDocument, 'x' );
  689. viewP._appendChild( viewText );
  690. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  691. renderer.markToSync( 'children', viewP );
  692. renderer.render();
  693. expect( domP.childNodes.length ).to.equal( 1 );
  694. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  695. expect( domSelection.rangeCount ).to.equal( 1 );
  696. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  697. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  698. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  699. } );
  700. it( 'should handle removing last character', () => {
  701. const domSelection = document.getSelection();
  702. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  703. viewRoot._appendChild( viewP );
  704. selection._setTo( newSelection );
  705. renderer.markToSync( 'children', viewRoot );
  706. renderer.render();
  707. const domP = domRoot.childNodes[ 0 ];
  708. expect( domP.childNodes.length ).to.equal( 1 );
  709. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  710. expect( domSelection.rangeCount ).to.equal( 1 );
  711. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  712. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  713. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  714. // Remove text and add filler to both DOM and View <p>{}</p>
  715. domP.removeChild( domP.childNodes[ 0 ] );
  716. domP.appendChild( BR_FILLER( document ) ); // eslint-disable-line new-cap
  717. domSelection.removeAllRanges();
  718. const domRange = document.createRange();
  719. domRange.setStart( domP.childNodes[ 0 ], 0 );
  720. domRange.collapse( true );
  721. domSelection.addRange( domRange );
  722. viewP._removeChildren( 0 );
  723. selection._setTo( ViewRange._createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  724. renderer.markToSync( 'children', viewP );
  725. renderAndExpectNoChanges( renderer, domRoot );
  726. } );
  727. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  728. const domSelection = document.getSelection();
  729. // 1. Render <p><b>FILLER{}</b>foo</p>.
  730. const { view: viewP, selection: newSelection } = parse(
  731. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  732. viewRoot._appendChild( viewP );
  733. selection._setTo( newSelection );
  734. renderer.markToSync( 'children', viewRoot );
  735. renderer.render();
  736. // 2. Check the DOM.
  737. const domP = domRoot.childNodes[ 0 ];
  738. expect( domP.childNodes.length ).to.equal( 2 );
  739. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  740. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  741. const domB = domP.childNodes[ 0 ];
  742. const viewB = viewP.getChild( 0 );
  743. expect( domB.childNodes.length ).to.equal( 1 );
  744. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  745. expect( domSelection.rangeCount ).to.equal( 1 );
  746. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  747. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  748. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  749. // 3. Add text node to both the DOM and the view: <p><b>FILLERx</b>foo</p>.
  750. domB.childNodes[ 0 ].data += 'x';
  751. domSelection.removeAllRanges();
  752. const domRange = document.createRange();
  753. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  754. domRange.collapse( true );
  755. domSelection.addRange( domRange );
  756. const viewText = new ViewText( viewDocument, 'x' );
  757. viewB._appendChild( viewText );
  758. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  759. renderer.markToSync( 'children', viewP );
  760. renderAndExpectNoChanges( renderer, domRoot );
  761. } );
  762. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  763. const domSelection = document.getSelection();
  764. // 1. Render <p><b>FILLER{}</b>foo</p>.
  765. const { view: viewP, selection: newSelection } = parse(
  766. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  767. viewRoot._appendChild( viewP );
  768. selection._setTo( newSelection );
  769. renderer.markToSync( 'children', viewRoot );
  770. renderer.render();
  771. // 2. Check the DOM.
  772. const domP = domRoot.childNodes[ 0 ];
  773. expect( domP.childNodes.length ).to.equal( 2 );
  774. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  775. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  776. const domB = domP.childNodes[ 0 ];
  777. const viewB = viewP.getChild( 0 );
  778. expect( domB.childNodes.length ).to.equal( 1 );
  779. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  780. expect( domSelection.rangeCount ).to.equal( 1 );
  781. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  782. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  783. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  784. domSelection.removeAllRanges();
  785. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  786. const viewText = new ViewText( viewDocument, 'x' );
  787. viewB._appendChild( viewText );
  788. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  789. renderer.markToSync( 'children', viewB );
  790. renderer.render();
  791. expect( domB.childNodes.length ).to.equal( 1 );
  792. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  793. expect( domSelection.rangeCount ).to.equal( 1 );
  794. // Depending on the browser selection may end up at the end of the text node or after the text node.
  795. const firstRange = domSelection.getRangeAt( 0 );
  796. const assertSelectionAtEndOfTextNode = () => {
  797. expect( firstRange.startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  798. };
  799. const assertSelectionInsideTextNode = () => {
  800. expect( firstRange.startContainer ).to.equal( domB );
  801. expect( firstRange.startOffset ).to.equal( 1 );
  802. };
  803. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  804. expect( firstRange.collapsed ).to.be.true;
  805. } );
  806. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  807. const domSelection = document.getSelection();
  808. // 1. Render <p><b>FILLER{}</b>foo</p>.
  809. const { view: viewP, selection: newSelection } = parse(
  810. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  811. viewRoot._appendChild( viewP );
  812. selection._setTo( newSelection );
  813. renderer.markToSync( 'children', viewRoot );
  814. renderer.render();
  815. // 2. Check the DOM.
  816. const domP = domRoot.childNodes[ 0 ];
  817. expect( domP.childNodes.length ).to.equal( 2 );
  818. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  819. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  820. const domB = domP.childNodes[ 0 ];
  821. const viewB = viewP.getChild( 0 );
  822. expect( domB.childNodes.length ).to.equal( 1 );
  823. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  824. expect( domSelection.rangeCount ).to.equal( 1 );
  825. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  826. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  827. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  828. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  829. const viewText = new ViewText( viewDocument, 'x' );
  830. viewB._appendChild( viewText );
  831. selection._setTo( ViewRange._createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  832. renderer.markToSync( 'text', viewText );
  833. renderer.render();
  834. // 4. Check the DOM.
  835. expect( domB.childNodes.length ).to.equal( 1 );
  836. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  837. expect( domSelection.rangeCount ).to.equal( 1 );
  838. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  839. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  840. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  841. } );
  842. it( 'should handle not collapsed range', () => {
  843. const domSelection = document.getSelection();
  844. const { view: viewP, selection: newSelection } = parse(
  845. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  846. viewRoot._appendChild( viewP );
  847. selection._setTo( newSelection );
  848. renderer.markToSync( 'children', viewRoot );
  849. renderer.render();
  850. const domP = domRoot.childNodes[ 0 ];
  851. expect( domP.childNodes.length ).to.equal( 2 );
  852. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  853. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  854. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  855. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  856. expect( domSelection.rangeCount ).to.equal( 1 );
  857. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  858. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  859. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  860. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  861. renderer.markToSync( 'children', viewP );
  862. renderAndExpectNoChanges( renderer, domRoot );
  863. } );
  864. it( 'should not change selection if there is no editable with selection', () => {
  865. const domDiv = createElement( document, 'div', { contenteditable: true }, 'not editable' );
  866. document.body.appendChild( domDiv );
  867. domDiv.focus();
  868. const domSelection = document.getSelection();
  869. domSelection.removeAllRanges();
  870. domSelection.collapse( domDiv, 0 );
  871. const viewDiv = new ViewElement( viewDocument, 'div' );
  872. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  873. viewDiv._appendChild( viewP );
  874. selection._setTo( newSelection );
  875. renderer.render();
  876. expect( domSelection.rangeCount ).to.equal( 1 );
  877. // Depending on the browser selection may end up before the text node or at the beginning of it.
  878. const domRange = domSelection.getRangeAt( 0 );
  879. const assertSelectionAtEndOfTextNode = () => {
  880. expect( domRange.startContainer ).to.equal( domDiv );
  881. };
  882. const assertSelectionInsideTextNode = () => {
  883. expect( domRange.startContainer ).to.equal( domDiv.childNodes[ 0 ] );
  884. };
  885. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  886. expect( domRange.startOffset ).to.equal( 0 );
  887. expect( domRange.collapsed ).to.be.true;
  888. domDiv.remove();
  889. } );
  890. it( 'should not change selection if there is no focus', () => {
  891. const domDiv = createElement( document, 'div', null, 'not editable' );
  892. document.body.appendChild( domDiv );
  893. const domSelection = document.getSelection();
  894. domSelection.removeAllRanges();
  895. const domRange = document.createRange();
  896. domRange.setStart( domDiv, 0 );
  897. domRange.collapse( true );
  898. domSelection.addRange( domRange );
  899. renderer.isFocused = false;
  900. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  901. viewRoot._appendChild( viewP );
  902. selection._setTo( newSelection );
  903. renderer.render();
  904. expect( domSelection.rangeCount ).to.equal( 1 );
  905. // Depending on the browser selection may end up before the text node or at the beginning of it.
  906. const domSelectionRange = domSelection.getRangeAt( 0 );
  907. const assertSelectionAtEndOfTextNode = () => {
  908. expect( domSelectionRange.startContainer ).to.equal( domDiv );
  909. };
  910. const assertSelectionInsideTextNode = () => {
  911. expect( domSelectionRange.startContainer ).to.equal( domDiv.childNodes[ 0 ] );
  912. };
  913. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  914. expect( domSelectionRange.startOffset ).to.equal( 0 );
  915. expect( domSelectionRange.collapsed ).to.be.true;
  916. domDiv.remove();
  917. } );
  918. it( 'should not add inline filler after text node', () => {
  919. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  920. viewRoot._appendChild( viewP );
  921. selection._setTo( newSelection );
  922. renderer.markToSync( 'children', viewRoot );
  923. renderer.render();
  924. const domP = domRoot.childNodes[ 0 ];
  925. expect( domP.innerHTML.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  926. } );
  927. it( 'should throw if there is no filler in expected position', () => {
  928. const { view: viewP, selection: newSelection } = parse(
  929. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  930. viewRoot._appendChild( viewP );
  931. selection._setTo( newSelection );
  932. renderer.markToSync( 'children', viewRoot );
  933. renderer.render();
  934. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  935. const viewB = viewP.getChild( 1 );
  936. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  937. // Remove filler.
  938. domB.childNodes[ 0 ].data = '';
  939. selection._setTo( null );
  940. renderer.markToSync( 'children', viewB );
  941. expectToThrowCKEditorError( () => {
  942. renderer.render();
  943. }, /^view-renderer-filler-was-lost/, selection );
  944. } );
  945. // #1014.
  946. it( 'should create inline filler in newly created dom nodes', () => {
  947. // 1. Create the view structure which needs inline filler.
  948. const inputView =
  949. '<container:ul>' +
  950. '<container:li>Foobar.</container:li>' +
  951. '<container:li>[]<container:div></container:div></container:li>' +
  952. '</container:ul>';
  953. const { view: view, selection: newSelection } = parse( inputView );
  954. viewRoot._appendChild( view );
  955. selection._setTo( newSelection );
  956. renderer.markToSync( 'children', viewRoot );
  957. renderer.render();
  958. // 2. Check if filler element has been (correctly) created.
  959. expect( domRoot.innerHTML.indexOf( INLINE_FILLER ) ).not.to.equal( -1 );
  960. // 3. Move the inline filler parent to a newly created element.
  961. const viewLi = view.getChild( 0 );
  962. const viewLiIndented = view._removeChildren( 1, 1 ); // Array with one element.
  963. const viewUl = new ViewContainerElement( viewDocument, 'ul', null, viewLiIndented );
  964. viewLi._appendChild( viewUl );
  965. // 4. Mark changed items and render the view.
  966. renderer.markToSync( 'children', view );
  967. renderer.markToSync( 'children', viewLi );
  968. renderer.render();
  969. expect( domRoot.innerHTML.indexOf( INLINE_FILLER ) ).not.to.equal( -1 );
  970. const domSelection = document.getSelection();
  971. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 7 ); // After inline filler.
  972. } );
  973. it( 'should handle focusing element', () => {
  974. selection._setTo( viewRoot, 0 );
  975. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  976. renderer.render();
  977. expect( domFocusSpy.called ).to.be.true;
  978. } );
  979. it( 'should not focus editable if isFocues is set to false', () => {
  980. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  981. renderer.isFocused = false;
  982. renderer.render();
  983. expect( domFocusSpy.calledOnce ).to.be.false;
  984. } );
  985. it( 'should not focus already focused DOM element', () => {
  986. domRoot.setAttribute( 'contentEditable', true );
  987. domRoot.focus();
  988. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  989. renderer.render();
  990. expect( domFocusSpy.called ).to.be.false;
  991. } );
  992. it( 'should render NBSP as last space in the previous inline element', () => {
  993. const viewP = parse( '<container:p>x <attribute:b>y</attribute:b></container:p>' );
  994. viewRoot._appendChild( viewP );
  995. renderer.markToSync( 'children', viewRoot );
  996. renderer.render();
  997. const domP = domRoot.childNodes[ 0 ];
  998. const domB = domP.childNodes[ 1 ];
  999. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  1000. expect( domB.childNodes[ 0 ].data ).to.equal( 'y' );
  1001. expect( domP.innerHTML ).to.equal( 'x <b>y</b>' );
  1002. // Insert space resulting in '<p>x <b> y</b></p>'.
  1003. const viewB = viewP.getChild( 1 );
  1004. viewB._removeChildren( 0 );
  1005. viewB._appendChild( new ViewText( viewDocument, ' y' ) );
  1006. renderer.markToSync( 'children', viewP );
  1007. renderer.render();
  1008. expect( domP.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1009. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1010. expect( domP.innerHTML ).to.equal( 'x&nbsp;<b> y</b>' );
  1011. } );
  1012. it( 'should update sibling after, when node before is removed', () => {
  1013. const viewP = parse( '<container:p>x<attribute:b> y</attribute:b></container:p>' );
  1014. viewRoot._appendChild( viewP );
  1015. renderer.markToSync( 'children', viewRoot );
  1016. renderer.render();
  1017. const domP = domRoot.childNodes[ 0 ];
  1018. const domB = domP.childNodes[ 1 ];
  1019. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  1020. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1021. expect( domP.innerHTML ).to.equal( 'x<b> y</b>' );
  1022. // Remove 'x' resulting in '<p><b> y</b></p>'.
  1023. viewP._removeChildren( 0 );
  1024. renderer.markToSync( 'children', viewP );
  1025. renderer.render();
  1026. expect( domB.childNodes[ 0 ].data ).to.equal( '\u00A0y' );
  1027. expect( domP.innerHTML ).to.equal( '<b>&nbsp;y</b>' );
  1028. } );
  1029. it( 'should update sibling before, when node after is removed', () => {
  1030. const viewP = parse( '<container:p>x <attribute:b>y</attribute:b></container:p>' );
  1031. viewRoot._appendChild( viewP );
  1032. renderer.markToSync( 'children', viewRoot );
  1033. renderer.render();
  1034. const domP = domRoot.childNodes[ 0 ];
  1035. const domB = domP.childNodes[ 1 ];
  1036. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  1037. expect( domB.childNodes[ 0 ].data ).to.equal( 'y' );
  1038. expect( domP.innerHTML ).to.equal( 'x <b>y</b>' );
  1039. // Remove '<b>y</b>' resulting in '<p>x </p>'.
  1040. viewP._removeChildren( 1 );
  1041. renderer.markToSync( 'children', viewP );
  1042. renderer.render();
  1043. expect( domP.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1044. expect( domP.innerHTML ).to.equal( 'x&nbsp;' );
  1045. } );
  1046. // #1093
  1047. it( 'should update siblings after space is inserted in element before - text-element', () => {
  1048. const viewP = parse( '<container:p>x<attribute:b> y</attribute:b></container:p>' );
  1049. viewRoot._appendChild( viewP );
  1050. renderer.markToSync( 'children', viewRoot );
  1051. renderer.render();
  1052. const domP = domRoot.childNodes[ 0 ];
  1053. const domB = domP.childNodes[ 1 ];
  1054. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  1055. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1056. expect( domP.innerHTML ).to.equal( 'x<b> y</b>' );
  1057. // Insert space resulting in '<p>x <b> y</b></p>'.
  1058. viewP._removeChildren( 0 );
  1059. viewP._insertChild( 0, new ViewText( viewDocument, 'x ' ) );
  1060. renderer.markToSync( 'children', viewP );
  1061. renderer.render();
  1062. expect( domP.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1063. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1064. expect( domP.innerHTML ).to.equal( 'x&nbsp;<b> y</b>' );
  1065. } );
  1066. // #1093
  1067. it( 'should update siblings after space is inserted in element before - element-text', () => {
  1068. const viewP = parse( '<container:p><attribute:b>x</attribute:b> y</container:p>' );
  1069. viewRoot._appendChild( viewP );
  1070. renderer.markToSync( 'children', viewRoot );
  1071. renderer.render();
  1072. const domP = domRoot.childNodes[ 0 ];
  1073. const domB = domP.childNodes[ 0 ];
  1074. expect( domB.childNodes[ 0 ].data ).to.equal( 'x' );
  1075. expect( domP.childNodes[ 1 ].data ).to.equal( ' y' );
  1076. expect( domP.innerHTML ).to.equal( '<b>x</b> y' );
  1077. // Insert space resulting in '<p><b>x </b> y</p>'.
  1078. const viewB = viewP.getChild( 0 );
  1079. viewB._removeChildren( 0 );
  1080. viewB._insertChild( 0, new ViewText( viewDocument, 'x ' ) );
  1081. renderer.markToSync( 'children', viewP );
  1082. renderer.render();
  1083. expect( domB.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1084. expect( domP.childNodes[ 1 ].data ).to.equal( ' y' );
  1085. expect( domP.innerHTML ).to.equal( '<b>x&nbsp;</b> y' );
  1086. } );
  1087. // #1093
  1088. it( 'should update siblings after space is inserted in element before - element-element', () => {
  1089. const viewP = parse( '<container:p><attribute:b>x</attribute:b><attribute:i> y</attribute:i></container:p>' );
  1090. viewRoot._appendChild( viewP );
  1091. renderer.markToSync( 'children', viewRoot );
  1092. renderer.render();
  1093. const domP = domRoot.childNodes[ 0 ];
  1094. const domB = domP.childNodes[ 0 ];
  1095. const domI = domP.childNodes[ 1 ];
  1096. expect( domB.childNodes[ 0 ].data ).to.equal( 'x' );
  1097. expect( domI.childNodes[ 0 ].data ).to.equal( ' y' );
  1098. expect( domP.innerHTML ).to.equal( '<b>x</b><i> y</i>' );
  1099. // Insert space resulting in '<p><b>x </b><i> y</i></p>'.
  1100. const viewB = viewP.getChild( 0 );
  1101. viewB._removeChildren( 0 );
  1102. viewB._insertChild( 0, new ViewText( viewDocument, 'x ' ) );
  1103. renderer.markToSync( 'children', viewP );
  1104. renderer.render();
  1105. expect( domB.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1106. expect( domI.childNodes[ 0 ].data ).to.equal( ' y' );
  1107. expect( domP.innerHTML ).to.equal( '<b>x&nbsp;</b><i> y</i>' );
  1108. } );
  1109. // #1125
  1110. it( 'should properly rerender many changes done in one batch', () => {
  1111. // This test transforms:
  1112. //
  1113. // <h2>He<strong>ding 1</strong></h2>
  1114. // <p>Ph <strong>Bold</strong> <i>It<strong>alic</strong></i> <a><strong>Lin</strong>k</a></p>
  1115. // <blockquote><ul><li>Quoted <strong>item 1</strong></li></ul></blockquote>
  1116. //
  1117. // into:
  1118. //
  1119. // <h2>Heading 2</h2>
  1120. // <p>Ph <i><strong>Italic</strong></i> <a><strong>L</strong>ink 1</a></p>
  1121. // <blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>
  1122. //
  1123. // during one rerender to check if complex structure changes are rerendered correctly.
  1124. const viewContent = parse( '' +
  1125. '<container:h2>He' +
  1126. '<attribute:i>ading 1</attribute:i>' +
  1127. '</container:h2>' +
  1128. '<container:p>Ph ' +
  1129. '<attribute:strong>Bold</attribute:strong> ' +
  1130. '<attribute:i>It' +
  1131. '<attribute:strong>alic</attribute:strong>' +
  1132. '</attribute:i> ' +
  1133. '<attribute:a href="https://ckeditor.com">' +
  1134. '<attribute:strong>Lin</attribute:strong>' +
  1135. 'k</attribute:a>' +
  1136. '</container:p>' +
  1137. '<container:blockquote>' +
  1138. '<container:ul>' +
  1139. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1140. '</container:ul>' +
  1141. '</container:blockquote>' );
  1142. viewRoot._appendChild( viewContent );
  1143. renderer.markToSync( 'children', viewRoot );
  1144. renderer.render();
  1145. // '<h2>He<i>ading 1</i></h2>' -> '<h2>Heading 2</h2>'
  1146. const viewHeading = viewRoot.getChild( 0 );
  1147. viewHeading._removeChildren( 0, viewHeading.childCount );
  1148. viewHeading._insertChild( 0, new ViewText( viewDocument, 'Heading 2' ) );
  1149. // Usually whole subtree is marked to sync so we mark root, changed element and all its direct children.
  1150. renderer.markToSync( 'children', viewRoot );
  1151. renderer.markToSync( 'children', viewHeading );
  1152. renderer.markToSync( 'text', viewHeading.getChild( 0 ) );
  1153. // '<p>Ph <strong>Bold</strong> <i>It<strong>alic</strong></i> <a><strong>Lin</strong>k</a></p>'
  1154. // ->
  1155. // '<p>Ph <i><strong>Italic</strong></i> <a><strong>L</strong>ink 1</a></p>'
  1156. const viewP = viewRoot.getChild( 1 );
  1157. viewP._removeChildren( 0, viewP.childCount );
  1158. viewP._insertChild(
  1159. 0,
  1160. parse(
  1161. 'Ph <attribute:i><attribute:strong>Italic</attribute:strong></attribute:i> ' +
  1162. '<attribute:a href="https://ckeditor.com"><attribute:strong>L</attribute:strong>ink 1</attribute:a>'
  1163. )
  1164. );
  1165. renderer.markToSync( 'children', viewRoot );
  1166. renderer.markToSync( 'children', viewP );
  1167. renderer.markToSync( 'children', viewP.getChild( 1 ) );
  1168. renderer.markToSync( 'children', viewP.getChild( 3 ) );
  1169. renderer.markToSync( 'text', viewP.getChild( 0 ) );
  1170. renderer.markToSync( 'text', viewP.getChild( 2 ) );
  1171. // '<blockquote><ul><li>Quoted <strong>item 1</strong></li></ul></blockquote>'
  1172. // -> '<blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>'
  1173. const viewBq = viewRoot.getChild( 2 );
  1174. viewBq._removeChildren( 0, viewBq.childCount );
  1175. viewBq._insertChild(
  1176. 0,
  1177. parse(
  1178. '<container:p>Qu<attribute:strong>ote</attribute:strong></container:p>' +
  1179. '<container:ul><container:li><attribute:strong>Quoted item 1</attribute:strong></container:li></container:ul>'
  1180. )
  1181. );
  1182. renderer.markToSync( 'children', viewRoot );
  1183. renderer.markToSync( 'children', viewBq );
  1184. renderer.markToSync( 'children', viewBq.getChild( 0 ) );
  1185. renderer.markToSync( 'children', viewBq.getChild( 1 ) );
  1186. renderer.render();
  1187. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal(
  1188. '<h2>Heading 2</h2>' +
  1189. '<p>Ph <i><strong>Italic</strong></i> <a href="https://ckeditor.com"><strong>L</strong>ink 1</a></p>' +
  1190. '<blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>'
  1191. );
  1192. } );
  1193. // #1125
  1194. it( 'should properly rerender changes when whole content replaced at once', () => {
  1195. // This test replaces:
  1196. //
  1197. // <h1>Header</h1>
  1198. // <blockquote><ul><li>Quoted <strong>item 1</strong></li><li>Item 2</li></ul></blockquote>
  1199. //
  1200. // with:
  1201. //
  1202. // <h2>Header</h2>
  1203. // <p>Not Quoted <strong>item 1</strong> and item 2</p>
  1204. //
  1205. // during one rerender to check if complex structure changes are rerendered correctly.
  1206. const viewContent = parse(
  1207. '<container:h1>Header</container:h1>' +
  1208. '<container:blockquote>' +
  1209. '<container:ul>' +
  1210. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1211. '<container:li>Item 2</container:li>' +
  1212. '</container:ul>' +
  1213. '</container:blockquote>'
  1214. );
  1215. viewRoot._appendChild( viewContent );
  1216. renderer.markToSync( 'children', viewRoot );
  1217. renderer.render();
  1218. const newViewContent = parse(
  1219. '<container:h2>Header</container:h2>' +
  1220. '<container:p>Not Quoted <attribute:strong>item 1</attribute:strong> and item 2</container:p>'
  1221. );
  1222. viewRoot._removeChildren( 0, viewRoot.childCount );
  1223. viewRoot._appendChild( newViewContent );
  1224. renderer.markToSync( 'children', viewRoot );
  1225. renderer.render();
  1226. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal(
  1227. '<h2>Header</h2><p>Not Quoted <strong>item 1</strong> and item 2</p>'
  1228. );
  1229. } );
  1230. // #1451
  1231. it( 'should correctly render changed children even if direct parent is not marked to sync', () => {
  1232. const inputView =
  1233. '<container:ul>' +
  1234. '<container:li>Foo</container:li>' +
  1235. '<container:li><attribute:b>Bar</attribute:b></container:li>' +
  1236. '</container:ul>';
  1237. const view = parse( inputView );
  1238. viewRoot._appendChild( view );
  1239. renderer.markToSync( 'children', viewRoot );
  1240. renderer.render();
  1241. expect( domRoot.innerHTML ).to.equal( '<ul><li>Foo</li><li><b>Bar</b></li></ul>' );
  1242. const viewLi = view.getChild( 0 );
  1243. const viewLiIndented = view._removeChildren( 1, 1 ); // Array with one element.
  1244. viewLiIndented[ 0 ]._appendChild( parse( '<attribute:i>Baz</attribute:i>' ) );
  1245. const viewUl = new ViewContainerElement( viewDocument, 'ul', null, viewLiIndented );
  1246. viewLi._appendChild( viewUl );
  1247. renderer.markToSync( 'children', view );
  1248. renderer.markToSync( 'children', viewLi );
  1249. renderer.render();
  1250. expect( domRoot.innerHTML ).to.equal( '<ul><li>Foo<ul><li><b>Bar</b><i>Baz</i></li></ul></li></ul>' );
  1251. } );
  1252. // #1439
  1253. it( 'should not force–refresh the selection in non–Gecko browsers after a soft break', () => {
  1254. const domSelection = domRoot.ownerDocument.defaultView.getSelection();
  1255. testUtils.sinon.stub( env, 'isGecko' ).get( () => false );
  1256. const spy = testUtils.sinon.stub( domSelection, 'addRange' );
  1257. // <p>foo<br/>[]</p>
  1258. const { view: viewP, selection: newSelection } = parse(
  1259. '<container:p>' +
  1260. 'foo[]' +
  1261. '<empty:br></empty:br>[]' +
  1262. '</container:p>' );
  1263. viewRoot._appendChild( viewP );
  1264. selection._setTo( newSelection );
  1265. renderer.markToSync( 'children', viewRoot );
  1266. renderer.render();
  1267. sinon.assert.notCalled( spy );
  1268. } );
  1269. // #1439
  1270. it( 'should force–refresh the selection in Gecko browsers after a soft break to nudge the caret', () => {
  1271. const domSelection = domRoot.ownerDocument.defaultView.getSelection();
  1272. testUtils.sinon.stub( env, 'isGecko' ).get( () => true );
  1273. const spy = testUtils.sinon.stub( domSelection, 'addRange' );
  1274. // <p>foo[]<b>bar</b></p>
  1275. let { view: viewP, selection: newSelection } = parse(
  1276. '<container:p>' +
  1277. 'foo[]' +
  1278. '<attribute:b>bar</attribute:b>' +
  1279. '</container:p>' );
  1280. viewRoot._appendChild( viewP );
  1281. selection._setTo( newSelection );
  1282. renderer.markToSync( 'children', viewRoot );
  1283. renderer.render();
  1284. sinon.assert.notCalled( spy );
  1285. // <p>foo<b>bar</b></p><p>foo[]<br/></p>
  1286. ( { view: viewP, selection: newSelection } = parse(
  1287. '<container:p>' +
  1288. 'foo[]' +
  1289. '<empty:br></empty:br>' +
  1290. '</container:p>' ) );
  1291. viewRoot._appendChild( viewP );
  1292. selection._setTo( newSelection );
  1293. renderer.markToSync( 'children', viewRoot );
  1294. renderer.render();
  1295. sinon.assert.notCalled( spy );
  1296. // <p>foo<b>bar</b></p><p>foo<br/>[]</p>
  1297. selection._setTo( [
  1298. new ViewRange( new ViewPosition( viewP, 2 ), new ViewPosition( viewP, 2 ) )
  1299. ] );
  1300. renderer.markToSync( 'children', viewRoot );
  1301. renderer.render();
  1302. sinon.assert.calledOnce( spy );
  1303. } );
  1304. describe( 'fake selection', () => {
  1305. beforeEach( () => {
  1306. const { view: viewP, selection: newSelection } = parse(
  1307. '<container:p>[foo bar]</container:p>'
  1308. );
  1309. viewRoot._appendChild( viewP );
  1310. selection._setTo( newSelection );
  1311. renderer.markToSync( 'children', viewRoot );
  1312. renderer.render();
  1313. } );
  1314. it( 'should render fake selection', () => {
  1315. const label = 'fake selection label';
  1316. selection._setTo( selection.getRanges(), { fake: true, label } );
  1317. renderer.render();
  1318. expect( domRoot.childNodes.length ).to.equal( 2 );
  1319. const container = domRoot.childNodes[ 1 ];
  1320. expect( domConverter.mapDomToView( container ) ).to.be.undefined;
  1321. expect( container.childNodes.length ).to.equal( 1 );
  1322. const textNode = container.childNodes[ 0 ];
  1323. expect( textNode.textContent ).to.equal( label );
  1324. const domSelection = domRoot.ownerDocument.getSelection();
  1325. assertDomSelectionContents( domSelection, container, /^fake selection label$/ );
  1326. } );
  1327. describe( 'subsequent call optimization', () => {
  1328. // https://github.com/ckeditor/ckeditor5-engine/issues/1791
  1329. it( 'doesn\'t render the same selection multiple times', () => {
  1330. const createRangeSpy = sinon.spy( document, 'createRange' );
  1331. const label = 'subsequent fake selection calls';
  1332. selection._setTo( selection.getRanges(), { fake: true, label } );
  1333. renderer.render();
  1334. selection._setTo( selection.getRanges(), { fake: true, label } );
  1335. renderer.render();
  1336. expect( createRangeSpy.callCount ).to.be.equal( 1 );
  1337. } );
  1338. it( 'different subsequent fake selections sets do change native selection', () => {
  1339. const createRangeSpy = sinon.spy( document, 'createRange' );
  1340. selection._setTo( selection.getRanges(), { fake: true, label: 'selection 1' } );
  1341. renderer.render();
  1342. selection._setTo( selection.getRanges(), { fake: true, label: 'selection 2' } );
  1343. renderer.render();
  1344. expect( createRangeSpy.callCount ).to.be.equal( 2 );
  1345. } );
  1346. it( 'rerenders selection if disturbed externally', () => {
  1347. const interruptingRange = document.createRange();
  1348. interruptingRange.setStartBefore( domRoot.children[ 0 ] );
  1349. interruptingRange.setEndAfter( domRoot.children[ 0 ] );
  1350. const createRangeSpy = sinon.spy( document, 'createRange' );
  1351. const label = 'selection 1';
  1352. selection._setTo( selection.getRanges(), { fake: true, label } );
  1353. renderer.render();
  1354. document.getSelection().removeAllRanges();
  1355. document.getSelection().addRange( interruptingRange );
  1356. selection._setTo( selection.getRanges(), { fake: true, label } );
  1357. renderer.render();
  1358. expect( createRangeSpy.callCount ).to.be.equal( 2 );
  1359. } );
  1360. it( 'correctly maps fake selection ', () => {
  1361. // See https://github.com/ckeditor/ckeditor5-engine/pull/1792#issuecomment-529814641
  1362. const label = 'subsequent fake selection calls';
  1363. const { view: newParagraph, selection: newSelection } = parse( '<container:p>[baz]</container:p>' );
  1364. viewRoot._appendChild( newParagraph );
  1365. selection._setTo( selection.getRanges(), { fake: true, label } );
  1366. renderer.render();
  1367. selection._setTo( newSelection.getRanges(), { fake: true, label } );
  1368. renderer.render();
  1369. const fakeSelectionContainer = domRoot.childNodes[ 1 ];
  1370. const mappedSelection = renderer.domConverter.fakeSelectionToView( fakeSelectionContainer );
  1371. expect( stringify( viewRoot, mappedSelection ) ).to.be.equal( '<div><p>foo bar</p><p>[baz]</p></div>' );
  1372. } );
  1373. } );
  1374. it( 'should render &nbsp; if no selection label is provided', () => {
  1375. selection._setTo( selection.getRanges(), { fake: true } );
  1376. renderer.render();
  1377. expect( domRoot.childNodes.length ).to.equal( 2 );
  1378. const container = domRoot.childNodes[ 1 ];
  1379. expect( container.childNodes.length ).to.equal( 1 );
  1380. const textNode = container.childNodes[ 0 ];
  1381. expect( textNode.textContent ).to.equal( '\u00A0' );
  1382. const domSelection = domRoot.ownerDocument.getSelection();
  1383. assertDomSelectionContents( domSelection, container, /^[ \u00A0]$/ );
  1384. } );
  1385. it( 'should remove fake selection container when selection is no longer fake', () => {
  1386. selection._setTo( selection.getRanges(), { fake: true } );
  1387. renderer.render();
  1388. selection._setTo( selection.getRanges(), { fake: false } );
  1389. renderer.render();
  1390. expect( domRoot.childNodes.length ).to.equal( 1 );
  1391. const domParagraph = domRoot.childNodes[ 0 ];
  1392. expect( domParagraph.childNodes.length ).to.equal( 1 );
  1393. expect( domParagraph.tagName.toLowerCase() ).to.equal( 'p' );
  1394. const domSelection = domRoot.ownerDocument.getSelection();
  1395. assertDomSelectionContents( domSelection, domParagraph, /^foo bar$/ );
  1396. } );
  1397. it( 'should reuse fake selection container #1', () => {
  1398. const label = 'fake selection label';
  1399. selection._setTo( selection.getRanges(), { fake: true, label } );
  1400. renderer.render();
  1401. expect( domRoot.childNodes.length ).to.equal( 2 );
  1402. const container = domRoot.childNodes[ 1 ];
  1403. selection._setTo( selection.getRanges(), { fake: true, label } );
  1404. renderer.render();
  1405. expect( domRoot.childNodes.length ).to.equal( 2 );
  1406. const newContainer = domRoot.childNodes[ 1 ];
  1407. expect( newContainer ).equals( container );
  1408. expect( newContainer.childNodes.length ).to.equal( 1 );
  1409. const textNode = newContainer.childNodes[ 0 ];
  1410. expect( textNode.textContent ).to.equal( label );
  1411. } );
  1412. it( 'should reuse fake selection container #2', () => {
  1413. selection._setTo( selection.getRanges(), { fake: true, label: 'label 1' } );
  1414. renderer.render();
  1415. expect( domRoot.childNodes.length ).to.equal( 2 );
  1416. const container = domRoot.childNodes[ 1 ];
  1417. selection._setTo( selection.getRanges(), { fake: false } );
  1418. renderer.render();
  1419. expect( domRoot.childNodes.length ).to.equal( 1 );
  1420. selection._setTo( selection.getRanges(), { fake: true, label: 'label 2' } );
  1421. renderer.render();
  1422. expect( domRoot.childNodes.length ).to.equal( 2 );
  1423. const newContainer = domRoot.childNodes[ 1 ];
  1424. expect( newContainer ).equals( container );
  1425. expect( newContainer.childNodes.length ).to.equal( 1 );
  1426. const textNode = newContainer.childNodes[ 0 ];
  1427. expect( textNode.textContent ).to.equal( 'label 2' );
  1428. } );
  1429. it( 'should reuse fake selection container #3', () => {
  1430. selection._setTo( selection.getRanges(), { fake: true, label: 'label 1' } );
  1431. renderer.render();
  1432. expect( domRoot.childNodes.length ).to.equal( 2 );
  1433. const container = domRoot.childNodes[ 1 ];
  1434. selection._setTo( selection.getRanges(), { fake: true, label: 'label 2' } );
  1435. renderer.render();
  1436. expect( domRoot.childNodes.length ).to.equal( 2 );
  1437. const newContainer = domRoot.childNodes[ 1 ];
  1438. expect( newContainer ).equals( container );
  1439. expect( newContainer.childNodes.length ).to.equal( 1 );
  1440. const textNode = newContainer.childNodes[ 0 ];
  1441. expect( textNode.textContent ).to.equal( 'label 2' );
  1442. } );
  1443. it( 'should style fake selection container properly', () => {
  1444. selection._setTo( selection.getRanges(), { fake: true, label: 'fake selection' } );
  1445. renderer.render();
  1446. expect( domRoot.childNodes.length ).to.equal( 2 );
  1447. const container = domRoot.childNodes[ 1 ];
  1448. expect( container.style.position ).to.equal( 'fixed' );
  1449. expect( container.style.top ).to.equal( '0px' );
  1450. expect( container.style.left ).to.equal( '-9999px' );
  1451. } );
  1452. it( 'should move fake selection container between editables', () => {
  1453. const viewEditable = new ViewEditableElement( viewDocument, 'div' );
  1454. viewEditable._appendChild( parse( '<container:p>abc xyz</container:p>' ) );
  1455. const domEditable = document.createElement( 'div' );
  1456. document.body.appendChild( domEditable );
  1457. domConverter.bindElements( domEditable, viewEditable );
  1458. renderer.markToSync( 'children', viewEditable );
  1459. selection._setTo( selection.getRanges(), { fake: true, label: 'fake selection' } );
  1460. renderer.render();
  1461. let container = document.getSelection().anchorNode;
  1462. expect( domRoot.contains( container ) ).to.be.true;
  1463. selection._setTo( viewEditable, 'in', { fake: true, label: 'fake selection' } );
  1464. renderer.render();
  1465. container = document.getSelection().anchorNode;
  1466. expect( domEditable.contains( container ) ).to.be.true;
  1467. domEditable.remove();
  1468. } );
  1469. it( 'should bind fake selection container to view selection', () => {
  1470. selection._setTo( selection.getRanges(), { fake: true, label: 'fake selection' } );
  1471. renderer.render();
  1472. expect( domRoot.childNodes.length ).to.equal( 2 );
  1473. const container = domRoot.childNodes[ 1 ];
  1474. const bindSelection = renderer.domConverter.fakeSelectionToView( container );
  1475. expect( bindSelection ).to.not.be.undefined;
  1476. expect( bindSelection.isEqual( selection ) ).to.be.true;
  1477. } );
  1478. // https://github.com/ckeditor/ckeditor5-engine/issues/1714.
  1479. it( 'should handle situation when label got removed from the fake selection container', () => {
  1480. const label = 'fake selection label';
  1481. selection._setTo( selection.getRanges(), { fake: true, label } );
  1482. renderer.render();
  1483. expect( domRoot.childNodes.length ).to.equal( 2 );
  1484. const container = domRoot.childNodes[ 1 ];
  1485. expect( domConverter.mapDomToView( container ) ).to.be.undefined;
  1486. expect( container.childNodes.length ).to.equal( 1 );
  1487. const textNode = container.childNodes[ 0 ];
  1488. expect( textNode.textContent ).to.equal( label );
  1489. // Remove a text node (label) from the fake selection container.
  1490. // It can be done by pressing backspace while the delete command is disabled and selection is on the widget.
  1491. textNode.remove();
  1492. renderer.render();
  1493. const domSelection = domRoot.ownerDocument.getSelection();
  1494. assertDomSelectionContents( domSelection, container, /^fake selection label$/ );
  1495. } );
  1496. // Use a forgiving way of checking what the selection contains
  1497. // because Safari normalizes the selection ranges so precise checking is troublesome.
  1498. // Also, Edge returns a normal space instead of nbsp so we need to use even more alternatives.
  1499. function assertDomSelectionContents( domSelection, expectedContainer, expectedText ) {
  1500. const domSelectionContainer = domSelection.getRangeAt( 0 ).commonAncestorContainer;
  1501. expect( domSelection.toString() ).to.match( expectedText );
  1502. expect(
  1503. domSelectionContainer == expectedContainer.firstChild || domSelectionContainer == expectedContainer
  1504. ).to.be.true;
  1505. }
  1506. } );
  1507. // #887
  1508. describe( 'similar selection', () => {
  1509. // Use spies to check selection updates. Some selection positions are not achievable in some
  1510. // browsers (e.g. <p>Foo<b>{}Bar</b></p> in Chrome) so asserting dom selection after rendering would fail.
  1511. let selectionCollapseSpy, selectionExtendSpy;
  1512. afterEach( () => {
  1513. if ( selectionCollapseSpy ) {
  1514. selectionCollapseSpy.restore();
  1515. selectionCollapseSpy = null;
  1516. }
  1517. if ( selectionExtendSpy ) {
  1518. selectionExtendSpy.restore();
  1519. selectionExtendSpy = null;
  1520. }
  1521. } );
  1522. it( 'should always render collapsed selection even if it is similar', () => {
  1523. const domSelection = document.getSelection();
  1524. const { view: viewP, selection: newSelection } = parse(
  1525. '<container:p>foo{}<attribute:b>bar</attribute:b></container:p>' );
  1526. viewRoot._appendChild( viewP );
  1527. selection._setTo( newSelection );
  1528. renderer.markToSync( 'children', viewRoot );
  1529. renderer.render();
  1530. const domP = domRoot.childNodes[ 0 ];
  1531. const domB = domP.childNodes[ 1 ];
  1532. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1533. expect( domSelection.isCollapsed ).to.true;
  1534. expect( domSelection.rangeCount ).to.equal( 1 );
  1535. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1536. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  1537. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1538. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1539. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1540. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1541. // <container:p>foo<attribute:b>{}bar</attribute:b></container:p>
  1542. selection._setTo( [
  1543. new ViewRange( new ViewPosition( viewB.getChild( 0 ), 0 ), new ViewPosition( viewB.getChild( 0 ), 0 ) )
  1544. ] );
  1545. renderer.markToSync( 'children', viewP );
  1546. renderer.render();
  1547. expect( selectionCollapseSpy.calledOnce ).to.true;
  1548. expect( selectionCollapseSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1549. expect( selectionExtendSpy.calledOnce ).to.true;
  1550. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1551. } );
  1552. it( 'should always render collapsed selection even if it is similar (with empty element)', () => {
  1553. const domSelection = document.getSelection();
  1554. const { view: viewP, selection: newSelection } = parse(
  1555. '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  1556. viewRoot._appendChild( viewP );
  1557. selection._setTo( newSelection );
  1558. renderer.markToSync( 'children', viewRoot );
  1559. renderer.render();
  1560. const domP = domRoot.childNodes[ 0 ];
  1561. const domB = domP.childNodes[ 1 ];
  1562. expect( domSelection.isCollapsed ).to.true;
  1563. expect( domSelection.rangeCount ).to.equal( 1 );
  1564. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1565. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  1566. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1567. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( INLINE_FILLER_LENGTH );
  1568. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1569. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1570. // <container:p>foo{}<attribute:b></attribute:b></container:p>
  1571. selection._setTo( [
  1572. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewP.getChild( 0 ), 3 ) )
  1573. ] );
  1574. renderer.markToSync( 'children', viewP );
  1575. renderer.render();
  1576. expect( selectionCollapseSpy.calledOnce ).to.true;
  1577. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1578. expect( selectionExtendSpy.calledOnce ).to.true;
  1579. expect( selectionExtendSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1580. } );
  1581. it( 'should always render non-collapsed selection if it not is similar', () => {
  1582. const domSelection = document.getSelection();
  1583. const { view: viewP, selection: newSelection } = parse(
  1584. '<container:p>fo{o}<attribute:b>bar</attribute:b></container:p>' );
  1585. viewRoot._appendChild( viewP );
  1586. selection._setTo( newSelection );
  1587. renderer.markToSync( 'children', viewRoot );
  1588. renderer.render();
  1589. const domP = domRoot.childNodes[ 0 ];
  1590. const domB = domP.childNodes[ 1 ];
  1591. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1592. expect( domSelection.isCollapsed ).to.false;
  1593. expect( domSelection.rangeCount ).to.equal( 1 );
  1594. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1595. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  1596. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1597. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1598. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1599. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1600. // <container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>
  1601. selection._setTo( [
  1602. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 2 ), new ViewPosition( viewB.getChild( 0 ), 1 ) )
  1603. ] );
  1604. renderer.markToSync( 'children', viewP );
  1605. renderer.render();
  1606. expect( selectionCollapseSpy.calledOnce ).to.true;
  1607. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 2 ) ).to.true;
  1608. expect( selectionExtendSpy.calledOnce ).to.true;
  1609. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 1 ) ).to.true;
  1610. } );
  1611. it( 'should always render selection (even if it is same in view) if current dom selection is in incorrect place', () => {
  1612. const domSelection = document.getSelection();
  1613. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]<ui:span></ui:span></container:p>' );
  1614. viewRoot._appendChild( viewP );
  1615. selection._setTo( newSelection );
  1616. renderer.markToSync( 'children', viewRoot );
  1617. renderer.render();
  1618. // In DOM, set position to: <p>foo<span>[]</span></p>. This is incorrect DOM selection (it is in view ui element).
  1619. // Do not change view selection.
  1620. // When renderer will check if the DOM selection changed, it will convert DOM selection to a view selection.
  1621. // Selections (current view selection and view-from-dom selection) will be equal but we will still expect re-render
  1622. // because DOM selection is in incorrect place.
  1623. const domP = domRoot.childNodes[ 0 ];
  1624. const domSpan = domP.childNodes[ 1 ];
  1625. domSelection.collapse( domSpan, 0 );
  1626. renderer.render();
  1627. // Expect that after calling `renderer.render()` the DOM selection was re-rendered (and set at correct position).
  1628. // Depending on the browser selection may end up at the end of the text node or after the text node.
  1629. const assertSelectionAtEndOfTextNode = () => {
  1630. expect( domSelection.anchorNode ).to.equal( domP );
  1631. expect( domSelection.anchorOffset ).to.equal( 1 );
  1632. };
  1633. const assertSelectionInsideTextNode = () => {
  1634. const textNode = domP.childNodes[ 0 ];
  1635. expect( domSelection.anchorNode ).to.equal( textNode );
  1636. expect( domSelection.anchorOffset ).to.equal( 3 );
  1637. };
  1638. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  1639. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  1640. } );
  1641. it( 'should not render non-collapsed selection it is similar (element start)', () => {
  1642. const domSelection = document.getSelection();
  1643. const { view: viewP, selection: newSelection } = parse(
  1644. '<container:p>foo<attribute:b>{ba}r</attribute:b></container:p>' );
  1645. viewRoot._appendChild( viewP );
  1646. selection._setTo( newSelection );
  1647. renderer.markToSync( 'children', viewRoot );
  1648. renderer.render();
  1649. const domP = domRoot.childNodes[ 0 ];
  1650. const domB = domP.childNodes[ 1 ];
  1651. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1652. expect( domSelection.isCollapsed ).to.false;
  1653. expect( domSelection.rangeCount ).to.equal( 1 );
  1654. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1655. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1656. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1657. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1658. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1659. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1660. // <container:p>foo{<attribute:b>ba}r</attribute:b></container:p>
  1661. selection._setTo( [
  1662. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewB.getChild( 0 ), 2 ) )
  1663. ] );
  1664. renderer.markToSync( 'children', viewP );
  1665. renderer.render();
  1666. expect( selectionCollapseSpy.notCalled ).to.true;
  1667. expect( selectionExtendSpy.notCalled ).to.true;
  1668. } );
  1669. it( 'should not render non-collapsed selection it is similar (element end)', () => {
  1670. const domSelection = document.getSelection();
  1671. const { view: viewP, selection: newSelection } = parse(
  1672. '<container:p>foo<attribute:b>b{ar}</attribute:b>baz</container:p>' );
  1673. viewRoot._appendChild( viewP );
  1674. selection._setTo( newSelection );
  1675. renderer.markToSync( 'children', viewRoot );
  1676. renderer.render();
  1677. const domP = domRoot.childNodes[ 0 ];
  1678. const domB = domP.childNodes[ 1 ];
  1679. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1680. expect( domSelection.isCollapsed ).to.false;
  1681. expect( domSelection.rangeCount ).to.equal( 1 );
  1682. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1683. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1684. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1685. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1686. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1687. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1688. // <container:p>foo<attribute:b>b{ar</attribute:b>}baz</container:p>
  1689. selection._setTo( [
  1690. new ViewRange( new ViewPosition( viewB.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) )
  1691. ] );
  1692. renderer.markToSync( 'children', viewP );
  1693. renderer.render();
  1694. expect( selectionCollapseSpy.notCalled ).to.true;
  1695. expect( selectionExtendSpy.notCalled ).to.true;
  1696. } );
  1697. it( 'should not render non-collapsed selection it is similar (element start - nested)', () => {
  1698. const domSelection = document.getSelection();
  1699. const { view: viewP, selection: newSelection } = parse(
  1700. '<container:p>foo<attribute:b><attribute:i>{ba}r</attribute:i></attribute:b></container:p>' );
  1701. viewRoot._appendChild( viewP );
  1702. selection._setTo( newSelection );
  1703. renderer.markToSync( 'children', viewRoot );
  1704. renderer.render();
  1705. const domP = domRoot.childNodes[ 0 ];
  1706. const domB = domP.childNodes[ 1 ];
  1707. const viewI = viewRoot.getChild( 0 ).getChild( 1 ).getChild( 0 );
  1708. expect( domSelection.isCollapsed ).to.false;
  1709. expect( domSelection.rangeCount ).to.equal( 1 );
  1710. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1711. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1712. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1713. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1714. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1715. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1716. // <container:p>foo{<attribute:b><attribute:i>ba}r</attribute:i></attribute:b></container:p>
  1717. selection._setTo( [
  1718. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewI.getChild( 0 ), 2 ) )
  1719. ] );
  1720. renderer.markToSync( 'children', viewP );
  1721. renderer.render();
  1722. expect( selectionCollapseSpy.notCalled ).to.true;
  1723. expect( selectionExtendSpy.notCalled ).to.true;
  1724. } );
  1725. it( 'should not render non-collapsed selection it is similar (element end - nested)', () => {
  1726. const domSelection = document.getSelection();
  1727. const { view: viewP, selection: newSelection } = parse(
  1728. '<container:p>f{oo<attribute:b><attribute:i>bar}</attribute:i></attribute:b>baz</container:p>' );
  1729. viewRoot._appendChild( viewP );
  1730. selection._setTo( newSelection );
  1731. renderer.markToSync( 'children', viewRoot );
  1732. renderer.render();
  1733. const domP = domRoot.childNodes[ 0 ];
  1734. const domB = domP.childNodes[ 1 ];
  1735. expect( domSelection.isCollapsed ).to.false;
  1736. expect( domSelection.rangeCount ).to.equal( 1 );
  1737. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1738. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1739. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1740. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1741. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1742. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1743. // <container:p>f{oo<attribute:b><attribute:i>bar</attribute:i></attribute:b>}baz</container:p>
  1744. selection._setTo( [
  1745. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) )
  1746. ] );
  1747. renderer.markToSync( 'children', viewP );
  1748. renderer.render();
  1749. expect( selectionCollapseSpy.notCalled ).to.true;
  1750. expect( selectionExtendSpy.notCalled ).to.true;
  1751. } );
  1752. } );
  1753. // #1417
  1754. describe( 'optimal rendering – reusing existing nodes', () => {
  1755. it( 'should render inline element replacement (before text)', () => {
  1756. viewRoot._appendChild( parse( '<container:p><attribute:i>A</attribute:i>1</container:p>' ) );
  1757. renderer.markToSync( 'children', viewRoot );
  1758. renderer.render();
  1759. expect( domRoot.innerHTML ).to.equal( '<p><i>A</i>1</p>' );
  1760. const viewP = viewRoot.getChild( 0 );
  1761. viewP._removeChildren( 0, 2 );
  1762. viewP._insertChild( 0, parse( '<attribute:i>B</attribute:i>2' ) );
  1763. const domI = domRoot.childNodes[ 0 ].childNodes[ 0 ];
  1764. renderer.markToSync( 'children', viewRoot );
  1765. renderer.markToSync( 'children', viewP );
  1766. renderer.render();
  1767. expect( domRoot.innerHTML ).to.equal( '<p><i>B</i>2</p>' );
  1768. expect( domI ).to.equal( domRoot.childNodes[ 0 ].childNodes[ 0 ] );
  1769. } );
  1770. it( 'should render inline element replacement (after text)', () => {
  1771. viewRoot._appendChild( parse( '<container:p>1<attribute:i>A</attribute:i></container:p>' ) );
  1772. renderer.markToSync( 'children', viewRoot );
  1773. renderer.render();
  1774. expect( domRoot.innerHTML ).to.equal( '<p>1<i>A</i></p>' );
  1775. const viewP = viewRoot.getChild( 0 );
  1776. viewP._removeChildren( 0, 2 );
  1777. viewP._insertChild( 0, parse( '2<attribute:i>B</attribute:i>' ) );
  1778. const domI = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  1779. renderer.markToSync( 'children', viewRoot );
  1780. renderer.markToSync( 'children', viewP );
  1781. renderer.render();
  1782. expect( domRoot.innerHTML ).to.equal( '<p>2<i>B</i></p>' );
  1783. expect( domI ).to.equal( domRoot.childNodes[ 0 ].childNodes[ 1 ] );
  1784. } );
  1785. it( 'should render inline element replacement (before text swapped order)', () => {
  1786. viewRoot._appendChild( parse( '<container:p><attribute:i>A</attribute:i>1</container:p>' ) );
  1787. renderer.markToSync( 'children', viewRoot );
  1788. renderer.render();
  1789. expect( domRoot.innerHTML ).to.equal( '<p><i>A</i>1</p>' );
  1790. const viewP = viewRoot.getChild( 0 );
  1791. viewP._removeChildren( 0, 2 );
  1792. viewP._insertChild( 0, parse( '2<attribute:i>B</attribute:i>' ) );
  1793. const domI = domRoot.childNodes[ 0 ].childNodes[ 0 ];
  1794. renderer.markToSync( 'children', viewRoot );
  1795. renderer.markToSync( 'children', viewP );
  1796. renderer.render();
  1797. expect( domRoot.innerHTML ).to.equal( '<p>2<i>B</i></p>' );
  1798. expect( domI ).to.equal( domRoot.childNodes[ 0 ].childNodes[ 1 ] );
  1799. } );
  1800. it( 'should render inline element replacement (after text swapped order)', () => {
  1801. viewRoot._appendChild( parse( '<container:p>1<attribute:i>A</attribute:i></container:p>' ) );
  1802. renderer.markToSync( 'children', viewRoot );
  1803. renderer.render();
  1804. expect( domRoot.innerHTML ).to.equal( '<p>1<i>A</i></p>' );
  1805. const viewP = viewRoot.getChild( 0 );
  1806. viewP._removeChildren( 0, 2 );
  1807. viewP._insertChild( 0, parse( '<attribute:i>B</attribute:i>2' ) );
  1808. const domI = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  1809. renderer.markToSync( 'children', viewRoot );
  1810. renderer.markToSync( 'children', viewP );
  1811. renderer.render();
  1812. expect( domRoot.innerHTML ).to.equal( '<p><i>B</i>2</p>' );
  1813. expect( domI ).to.equal( domRoot.childNodes[ 0 ].childNodes[ 0 ] );
  1814. } );
  1815. it( 'should render single replacement in p group', () => {
  1816. const content = '' +
  1817. '<container:p>1</container:p>' +
  1818. '<container:p>2</container:p>' +
  1819. '<container:p>3</container:p>';
  1820. viewRoot._appendChild( parse( content ) );
  1821. renderer.markToSync( 'children', viewRoot );
  1822. renderer.render();
  1823. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>2</p><p>3</p>' );
  1824. viewRoot._removeChildren( 1 );
  1825. viewRoot._insertChild( 1, parse( '<container:p>4</container:p>' ) );
  1826. const domP = domRoot.childNodes[ 1 ];
  1827. renderer.markToSync( 'children', viewRoot );
  1828. renderer.render();
  1829. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>4</p><p>3</p>' );
  1830. expect( domP ).to.equal( domRoot.childNodes[ 1 ] );
  1831. } );
  1832. it( 'should render replacement and insertion in p group', () => {
  1833. const content = '' +
  1834. '<container:p>1<attribute:i>A</attribute:i></container:p>' +
  1835. '<container:p>2<attribute:i>B</attribute:i></container:p>' +
  1836. '<container:p>3<attribute:i>C</attribute:i></container:p>';
  1837. const replacement = '' +
  1838. '<container:p><attribute:i>D</attribute:i></container:p>' +
  1839. '<container:p>5<attribute:i>E</attribute:i></container:p>';
  1840. viewRoot._appendChild( parse( content ) );
  1841. renderer.markToSync( 'children', viewRoot );
  1842. renderer.render();
  1843. expect( domRoot.innerHTML ).to.equal( '<p>1<i>A</i></p><p>2<i>B</i></p><p>3<i>C</i></p>' );
  1844. viewRoot._removeChildren( 1 );
  1845. viewRoot._insertChild( 1, parse( replacement ) );
  1846. const domP2 = domRoot.childNodes[ 1 ];
  1847. const domP3 = domRoot.childNodes[ 2 ];
  1848. renderer.markToSync( 'children', viewRoot );
  1849. renderer.render();
  1850. expect( domRoot.innerHTML ).to.equal( '<p>1<i>A</i></p><p><i>D</i></p><p>5<i>E</i></p><p>3<i>C</i></p>' );
  1851. expect( domP2 ).to.equal( domRoot.childNodes[ 1 ] );
  1852. expect( domP3 ).to.equal( domRoot.childNodes[ 3 ] );
  1853. } );
  1854. it( 'should render replacement and deletion in p group', () => {
  1855. const content = '' +
  1856. '<container:p><attribute:i>A</attribute:i>1</container:p>' +
  1857. '<container:p><attribute:i>B</attribute:i>2</container:p>' +
  1858. '<container:p><attribute:i>C</attribute:i>3</container:p>';
  1859. viewRoot._appendChild( parse( content ) );
  1860. renderer.markToSync( 'children', viewRoot );
  1861. renderer.render();
  1862. expect( domRoot.innerHTML ).to.equal( '<p><i>A</i>1</p><p><i>B</i>2</p><p><i>C</i>3</p>' );
  1863. viewRoot._removeChildren( 0, 2 );
  1864. viewRoot._insertChild( 0, parse( '<container:p>4</container:p>' ) );
  1865. const domP0 = domRoot.childNodes[ 0 ];
  1866. const domP2 = domRoot.childNodes[ 2 ];
  1867. renderer.markToSync( 'children', viewRoot );
  1868. renderer.render();
  1869. expect( domRoot.innerHTML ).to.equal( '<p>4</p><p><i>C</i>3</p>' );
  1870. expect( domP0 ).to.equal( domRoot.childNodes[ 0 ] );
  1871. expect( domP2 ).to.equal( domRoot.childNodes[ 1 ] );
  1872. } );
  1873. it( 'should render multiple continuous replacement in p group', () => {
  1874. const content = '' +
  1875. '<container:p>1</container:p>' +
  1876. '<container:p>2</container:p>' +
  1877. '<container:p>3</container:p>' +
  1878. '<container:p>4</container:p>' +
  1879. '<container:p>5</container:p>';
  1880. viewRoot._appendChild( parse( content ) );
  1881. renderer.markToSync( 'children', viewRoot );
  1882. renderer.render();
  1883. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>2</p><p>3</p><p>4</p><p>5</p>' );
  1884. viewRoot._removeChildren( 0, 3 );
  1885. viewRoot._insertChild( 0, parse( '<container:p>6<attribute:i>A</attribute:i></container:p><container:p>7</container:p>' ) );
  1886. const domP1 = domRoot.childNodes[ 0 ];
  1887. const domP2 = domRoot.childNodes[ 1 ];
  1888. const domP4 = domRoot.childNodes[ 3 ];
  1889. const domP5 = domRoot.childNodes[ 4 ];
  1890. renderer.markToSync( 'children', viewRoot );
  1891. renderer.render();
  1892. expect( domRoot.innerHTML ).to.equal( '<p>6<i>A</i></p><p>7</p><p>4</p><p>5</p>' );
  1893. expect( domP1 ).to.equal( domRoot.childNodes[ 0 ] );
  1894. expect( domP2 ).to.equal( domRoot.childNodes[ 1 ] );
  1895. expect( domP4 ).to.equal( domRoot.childNodes[ 2 ] );
  1896. expect( domP5 ).to.equal( domRoot.childNodes[ 3 ] );
  1897. } );
  1898. it( 'should render multiple replacement in p group', () => {
  1899. const content = '' +
  1900. '<container:p>1</container:p>' +
  1901. '<container:p>2</container:p>' +
  1902. '<container:p>3</container:p>' +
  1903. '<container:p>4</container:p>' +
  1904. '<container:p>5</container:p>';
  1905. viewRoot._appendChild( parse( content ) );
  1906. renderer.markToSync( 'children', viewRoot );
  1907. renderer.render();
  1908. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>2</p><p>3</p><p>4</p><p>5</p>' );
  1909. viewRoot._removeChildren( 4 );
  1910. viewRoot._removeChildren( 1, 2 );
  1911. viewRoot._insertChild( 2, parse( '<container:p>6</container:p>' ) );
  1912. viewRoot._insertChild( 1, parse( '<container:p><attribute:i>A</attribute:i>7</container:p>' ) );
  1913. const domP1 = domRoot.childNodes[ 0 ];
  1914. const domP2 = domRoot.childNodes[ 1 ];
  1915. const domP4 = domRoot.childNodes[ 3 ];
  1916. const domP5 = domRoot.childNodes[ 4 ];
  1917. renderer.markToSync( 'children', viewRoot );
  1918. renderer.render();
  1919. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p><i>A</i>7</p><p>4</p><p>6</p>' );
  1920. expect( domP1 ).to.equal( domRoot.childNodes[ 0 ] );
  1921. expect( domP2 ).to.equal( domRoot.childNodes[ 1 ] );
  1922. expect( domP4 ).to.equal( domRoot.childNodes[ 2 ] );
  1923. expect( domP5 ).to.equal( domRoot.childNodes[ 3 ] );
  1924. } );
  1925. it( 'should not rerender DOM when view replaced with the same structure', () => {
  1926. const content = '' +
  1927. '<container:h2>He' +
  1928. '<attribute:i>ading 1</attribute:i>' +
  1929. '</container:h2>' +
  1930. '<container:p>Ph ' +
  1931. '<attribute:strong>Bold</attribute:strong>' +
  1932. '<attribute:a href="https://ckeditor.com">' +
  1933. '<attribute:strong>Lin<attribute:i>k</attribute:i></attribute:strong>' +
  1934. '</attribute:a>' +
  1935. '</container:p>' +
  1936. '<container:blockquote>' +
  1937. '<container:ul>' +
  1938. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1939. '</container:ul>' +
  1940. '</container:blockquote>';
  1941. viewRoot._appendChild( parse( content ) );
  1942. renderer.markToSync( 'children', viewRoot );
  1943. renderer.render();
  1944. expect( domRoot.innerHTML ).to.equal( '<h2>He<i>ading 1</i></h2><p>Ph <strong>Bold</strong>' +
  1945. '<a href="https://ckeditor.com"><strong>Lin<i>k</i></strong></a></p><blockquote><ul><li>' +
  1946. 'Quoted <strong>item 1</strong></li></ul></blockquote>' );
  1947. viewRoot._removeChildren( 0, viewRoot.childCount );
  1948. viewRoot._appendChild( parse( content ) );
  1949. const viewH = viewRoot.getChild( 0 );
  1950. const viewP = viewRoot.getChild( 1 );
  1951. const viewQ = viewRoot.getChild( 2 );
  1952. const domH = domRoot.childNodes[ 0 ];
  1953. const domHI = domH.childNodes[ 1 ];
  1954. const domP = domRoot.childNodes[ 1 ];
  1955. const domPT = domP.childNodes[ 0 ];
  1956. const domPABI = domP.childNodes[ 2 ].childNodes[ 0 ].childNodes[ 1 ];
  1957. const domQ = domRoot.childNodes[ 2 ];
  1958. const domQULB = domQ.childNodes[ 0 ].childNodes[ 0 ].childNodes[ 1 ];
  1959. renderer.markToSync( 'children', viewRoot );
  1960. renderer.render();
  1961. // Assert content.
  1962. expect( domRoot.innerHTML ).to.equal( '<h2>He<i>ading 1</i></h2><p>Ph <strong>Bold</strong>' +
  1963. '<a href="https://ckeditor.com"><strong>Lin<i>k</i></strong></a></p><blockquote><ul><li>' +
  1964. 'Quoted <strong>item 1</strong></li></ul></blockquote>' );
  1965. // Assert if DOM elements did not change.
  1966. expect( domRoot.childNodes[ 0 ] ).to.equal( domH );
  1967. expect( domH.childNodes[ 1 ] ).to.equal( domHI );
  1968. expect( domRoot.childNodes[ 1 ] ).to.equal( domP );
  1969. expect( domP.childNodes[ 0 ] ).to.equal( domPT );
  1970. expect( domP.childNodes[ 2 ].childNodes[ 0 ].childNodes[ 1 ] ).to.equal( domPABI );
  1971. expect( domRoot.childNodes[ 2 ] ).to.equal( domQ );
  1972. expect( domQ.childNodes[ 0 ].childNodes[ 0 ].childNodes[ 1 ] ).to.equal( domQULB );
  1973. // Assert mappings.
  1974. const mappings = renderer.domConverter._domToViewMapping;
  1975. expect( mappings.get( domH ) ).to.equal( viewH );
  1976. expect( mappings.get( domHI ) ).to.equal( viewH.getChild( 1 ) );
  1977. expect( mappings.get( domP ) ).to.equal( viewP );
  1978. expect( mappings.get( domPABI ) ).to.equal( viewP.getChild( 2 ).getChild( 0 ).getChild( 1 ) );
  1979. expect( mappings.get( domQ ) ).to.equal( viewQ );
  1980. expect( mappings.get( domQULB ) ).to.equal( viewQ.getChild( 0 ).getChild( 0 ).getChild( 1 ) );
  1981. } );
  1982. it( 'should not rerender DOM when view replaced with the same structure without first node', () => {
  1983. const content = '' +
  1984. '<container:h2>He' +
  1985. '<attribute:i>ading 1</attribute:i>' +
  1986. '</container:h2>' +
  1987. '<container:p>Ph ' +
  1988. '<attribute:strong>Bold</attribute:strong>' +
  1989. '<attribute:a href="https://ckeditor.com">' +
  1990. '<attribute:strong>Lin<attribute:i>k</attribute:i></attribute:strong>' +
  1991. '</attribute:a>' +
  1992. '</container:p>' +
  1993. '<container:blockquote>' +
  1994. '<container:ul>' +
  1995. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1996. '</container:ul>' +
  1997. '</container:blockquote>';
  1998. const content2 = '' +
  1999. '<container:p>Ph ' +
  2000. '<attribute:strong>Bold</attribute:strong>' +
  2001. '<attribute:a href="https://ckeditor.com">' +
  2002. '<attribute:strong>Lin<attribute:i>k</attribute:i></attribute:strong>' +
  2003. '</attribute:a>' +
  2004. '</container:p>' +
  2005. '<container:blockquote>' +
  2006. '<container:ul>' +
  2007. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  2008. '</container:ul>' +
  2009. '</container:blockquote>';
  2010. viewRoot._appendChild( parse( content ) );
  2011. renderer.markToSync( 'children', viewRoot );
  2012. renderer.render();
  2013. expect( domRoot.innerHTML ).to.equal( '<h2>He<i>ading 1</i></h2><p>Ph <strong>Bold</strong>' +
  2014. '<a href="https://ckeditor.com"><strong>Lin<i>k</i></strong></a></p><blockquote><ul><li>' +
  2015. 'Quoted <strong>item 1</strong></li></ul></blockquote>' );
  2016. viewRoot._removeChildren( 0, viewRoot.childCount );
  2017. viewRoot._appendChild( parse( content2 ) );
  2018. const viewP = viewRoot.getChild( 0 );
  2019. const viewQ = viewRoot.getChild( 1 );
  2020. const domP = domRoot.childNodes[ 1 ];
  2021. const domPT = domP.childNodes[ 0 ];
  2022. const domPABI = domP.childNodes[ 2 ].childNodes[ 0 ].childNodes[ 1 ];
  2023. const domQ = domRoot.childNodes[ 2 ];
  2024. const domQULB = domQ.childNodes[ 0 ].childNodes[ 0 ].childNodes[ 1 ];
  2025. renderer.markToSync( 'children', viewRoot );
  2026. renderer.render();
  2027. // Assert content.
  2028. expect( domRoot.innerHTML ).to.equal( '<p>Ph <strong>Bold</strong>' +
  2029. '<a href="https://ckeditor.com"><strong>Lin<i>k</i></strong></a></p><blockquote><ul><li>' +
  2030. 'Quoted <strong>item 1</strong></li></ul></blockquote>' );
  2031. // Assert if DOM elements did not change.
  2032. expect( domRoot.childNodes[ 0 ] ).to.equal( domP );
  2033. expect( domP.childNodes[ 0 ] ).to.equal( domPT );
  2034. expect( domP.childNodes[ 2 ].childNodes[ 0 ].childNodes[ 1 ] ).to.equal( domPABI );
  2035. expect( domRoot.childNodes[ 1 ] ).to.equal( domQ );
  2036. expect( domQ.childNodes[ 0 ].childNodes[ 0 ].childNodes[ 1 ] ).to.equal( domQULB );
  2037. // Assert mappings.
  2038. const mappings = renderer.domConverter._domToViewMapping;
  2039. expect( mappings.get( domP ) ).to.equal( viewP );
  2040. expect( mappings.get( domPABI ) ).to.equal( viewP.getChild( 2 ).getChild( 0 ).getChild( 1 ) );
  2041. expect( mappings.get( domQ ) ).to.equal( viewQ );
  2042. expect( mappings.get( domQULB ) ).to.equal( viewQ.getChild( 0 ).getChild( 0 ).getChild( 1 ) );
  2043. } );
  2044. it( 'should not rerender DOM when typing inside empty inline element', () => {
  2045. const view = parse( '<container:p>Foo Bar<attribute:strong></attribute:strong></container:p>' );
  2046. viewRoot._appendChild( view );
  2047. renderer.markToSync( 'children', viewRoot );
  2048. renderer.render();
  2049. expect( domRoot.innerHTML ).to.equal( '<p>Foo Bar<strong></strong></p>' );
  2050. const viewP = viewRoot.getChild( 0 );
  2051. viewP._removeChildren( 1 );
  2052. viewP._insertChild( 1, parse( '<attribute:strong>a</attribute:strong>' ) );
  2053. const domP = domRoot.childNodes[ 0 ];
  2054. const domText = domP.childNodes[ 0 ];
  2055. const domB = domP.childNodes[ 1 ];
  2056. domB.innerHTML = 'a';
  2057. renderer.markToSync( 'children', viewRoot );
  2058. renderer.markToSync( 'children', viewRoot.getChild( 0 ) );
  2059. renderer.render();
  2060. // Assert content.
  2061. expect( domRoot.innerHTML ).to.equal( '<p>Foo Bar<strong>a</strong></p>' );
  2062. // Assert if DOM elements did not change.
  2063. expect( domRoot.childNodes[ 0 ] ).to.equal( domP );
  2064. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ] ).to.equal( domText );
  2065. expect( domRoot.childNodes[ 0 ].childNodes[ 1 ] ).to.equal( domB );
  2066. // Assert mappings.
  2067. const mappings = renderer.domConverter._domToViewMapping;
  2068. expect( mappings.get( domP ) ).to.equal( viewP );
  2069. expect( mappings.get( domB ) ).to.equal( viewP.getChild( 1 ) );
  2070. } );
  2071. it( 'should handle complex view duplication', () => {
  2072. const content = '' +
  2073. '<container:blockquote>' +
  2074. '<container:ul>' +
  2075. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  2076. '<container:li>Item 2</container:li>' +
  2077. '<container:li>' +
  2078. '<attribute:a href="https://cksource.com">Li<attribute:strong>nk</attribute:strong></attribute:a>' +
  2079. '</container:li>' +
  2080. '</container:ul>' +
  2081. '</container:blockquote>';
  2082. const expected = '' +
  2083. '<blockquote>' +
  2084. '<ul>' +
  2085. '<li>Quoted <strong>item 1</strong></li>' +
  2086. '<li>Item 2</li>' +
  2087. '<li><a href="https://cksource.com">Li<strong>nk</strong></a></li>' +
  2088. '</ul>' +
  2089. '</blockquote>';
  2090. viewRoot._appendChild( parse( content ) );
  2091. renderer.markToSync( 'children', viewRoot );
  2092. renderer.render();
  2093. expect( domRoot.innerHTML ).to.equal( expected );
  2094. viewRoot._removeChildren( 0, viewRoot.childCount );
  2095. viewRoot._appendChild( parse( content + content ) );
  2096. const domBQ = domRoot.childNodes[ 0 ];
  2097. const domUL = domBQ.childNodes[ 0 ];
  2098. const domLI1 = domUL.childNodes[ 0 ];
  2099. const domLI2 = domUL.childNodes[ 1 ];
  2100. const domLI3 = domUL.childNodes[ 2 ];
  2101. renderer.markToSync( 'children', viewRoot );
  2102. renderer.render();
  2103. // Assert content.
  2104. expect( domRoot.innerHTML ).to.equal( expected + expected );
  2105. // Assert if DOM elements did not change.
  2106. expect( domRoot.childNodes[ 0 ] ).to.equal( domBQ );
  2107. expect( domBQ.childNodes[ 0 ] ).to.equal( domUL );
  2108. expect( domUL.childNodes[ 0 ] ).to.equal( domLI1 );
  2109. expect( domUL.childNodes[ 1 ] ).to.equal( domLI2 );
  2110. expect( domUL.childNodes[ 2 ] ).to.equal( domLI3 );
  2111. // Assert mappings.
  2112. const domMappings = renderer.domConverter._domToViewMapping;
  2113. expect( domMappings.get( domBQ ) ).to.equal( viewRoot.getChild( 0 ) );
  2114. expect( domMappings.get( domUL ) ).to.equal( viewRoot.getChild( 0 ).getChild( 0 ) );
  2115. expect( domMappings.get( domLI1 ) ).to.equal( viewRoot.getChild( 0 ).getChild( 0 ).getChild( 0 ) );
  2116. expect( domMappings.get( domLI2 ) ).to.equal( viewRoot.getChild( 0 ).getChild( 0 ).getChild( 1 ) );
  2117. expect( domMappings.get( domLI3 ) ).to.equal( viewRoot.getChild( 0 ).getChild( 0 ).getChild( 2 ) );
  2118. // Assert if new view elements are bind to new DOM elements.
  2119. const viewMappings = renderer.domConverter._domToViewMapping;
  2120. expect( viewMappings.get( viewRoot.getChild( 1 ) ) ).not.equal( domBQ );
  2121. expect( viewMappings.get( viewRoot.getChild( 1 ).getChild( 0 ) ) ).not.equal( domUL );
  2122. expect( viewMappings.get( viewRoot.getChild( 1 ).getChild( 0 ).getChild( 0 ) ) ).not.equal( domLI1 );
  2123. expect( viewMappings.get( viewRoot.getChild( 1 ).getChild( 0 ).getChild( 1 ) ) ).not.equal( domLI2 );
  2124. expect( viewMappings.get( viewRoot.getChild( 1 ).getChild( 0 ).getChild( 2 ) ) ).not.equal( domLI3 );
  2125. } );
  2126. it( 'should handle complex view replace', () => {
  2127. const content = '' +
  2128. '<container:h2>He' +
  2129. '<attribute:i>ading 1</attribute:i>' +
  2130. '</container:h2>' +
  2131. '<container:p>Ph ' +
  2132. '<attribute:strong>Bold</attribute:strong>' +
  2133. '<attribute:a href="https://ckeditor.com">' +
  2134. '<attribute:strong>Lin<attribute:i>k</attribute:i></attribute:strong>' +
  2135. '</attribute:a>' +
  2136. '</container:p>' +
  2137. '<container:blockquote>' +
  2138. '<container:ul>' +
  2139. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  2140. '<container:li>Item 2</container:li>' +
  2141. '<container:li>' +
  2142. '<attribute:a href="https://cksource.com">Li<attribute:strong>nk</attribute:strong></attribute:a>' +
  2143. '</container:li>' +
  2144. '</container:ul>' +
  2145. '</container:blockquote>';
  2146. const replacement = '' +
  2147. '<container:p>' +
  2148. '1' +
  2149. '<attribute:i>A</attribute:i>' +
  2150. '</container:p>' +
  2151. '<container:p>' +
  2152. '<attribute:a href="https://cksource.com">' +
  2153. 'Li' +
  2154. '<attribute:strong>nk</attribute:strong>' +
  2155. '</attribute:a>' +
  2156. '</container:p>' +
  2157. '<container:h1>' +
  2158. 'Heading ' +
  2159. '<attribute:strong>1</attribute:strong>' +
  2160. '</container:h1>' +
  2161. '<container:h2>' +
  2162. '<attribute:a href="https://ckeditor.com">Heading 2</attribute:a>' +
  2163. '</container:h2>' +
  2164. '<container:h3>' +
  2165. 'Heading' +
  2166. '<attribute:i> 3</attribute:i>' +
  2167. '</container:h3>' +
  2168. '<container:blockquote>' +
  2169. 'Foo Bar Baz' +
  2170. '</container:blockquote>' +
  2171. '<container:ul>' +
  2172. '<container:li>' +
  2173. 'Item ' +
  2174. '<attribute:strong>1</attribute:strong>' +
  2175. '</container:li>' +
  2176. '<container:li>' +
  2177. '<attribute:a href="https://ckeditor.com">Item</attribute:a>' +
  2178. ' 2' +
  2179. '</container:li>' +
  2180. '</container:ul>';
  2181. viewRoot._appendChild( parse( content ) );
  2182. renderer.markToSync( 'children', viewRoot );
  2183. renderer.render();
  2184. expect( domRoot.innerHTML ).to.equal( '' +
  2185. '<h2>He<i>ading 1</i></h2>' +
  2186. '<p>Ph <strong>Bold</strong><a href="https://ckeditor.com"><strong>Lin<i>k</i></strong></a></p>' +
  2187. '<blockquote><ul>' +
  2188. '<li>Quoted <strong>item 1</strong></li>' +
  2189. '<li>Item 2</li><li><a href="https://cksource.com">Li<strong>nk</strong></a></li>' +
  2190. '</ul></blockquote>' );
  2191. viewRoot._removeChildren( 0, viewRoot.childCount );
  2192. viewRoot._appendChild( parse( replacement ) );
  2193. renderer.markToSync( 'children', viewRoot );
  2194. renderer.render();
  2195. // Here we just check if new DOM structure was properly rendered.
  2196. expect( domRoot.innerHTML ).to.equal( '' +
  2197. '<p>1<i>A</i></p>' +
  2198. '<p><a href="https://cksource.com">Li<strong>nk</strong></a></p>' +
  2199. '<h1>Heading <strong>1</strong></h1>' +
  2200. '<h2><a href="https://ckeditor.com">Heading 2</a></h2>' +
  2201. '<h3>Heading<i> 3</i></h3>' +
  2202. '<blockquote>Foo Bar Baz</blockquote>' +
  2203. '<ul><li>Item <strong>1</strong></li><li><a href="https://ckeditor.com">Item</a> 2</li></ul>' );
  2204. } );
  2205. it( 'should handle br elements while refreshing bindings', () => {
  2206. const expected = `<p>Foo Bar</p><p>${ BR_FILLER( document ).outerHTML }</p>`; // eslint-disable-line new-cap
  2207. viewRoot._appendChild( parse( '<container:p>Foo Bar</container:p><container:p></container:p>' ) );
  2208. renderer.markToSync( 'children', viewRoot );
  2209. renderer.render();
  2210. expect( domRoot.innerHTML ).to.equal( expected );
  2211. // There is a case in Safari that during accent panel navigation on macOS our 'BR_FILLER' is replaced with
  2212. // just '<br>' element which breaks accent composition in an empty paragraph. It also throws an error while
  2213. // refreshing mappings in a renderer. Simulate such behaviour (#1354).
  2214. domRoot.childNodes[ 1 ].innerHTML = '<br>';
  2215. viewRoot._removeChildren( 1 );
  2216. viewRoot._insertChild( 1, parse( '<container:p></container:p>' ) );
  2217. renderer.markToSync( 'children', viewRoot );
  2218. renderer.render();
  2219. expect( domRoot.innerHTML ).to.equal( expected );
  2220. } );
  2221. it( 'should handle list to paragraph conversion', () => {
  2222. const view = '' +
  2223. '<container:ol>' +
  2224. '<container:li>Item 1' +
  2225. '<container:ol>' +
  2226. '<container:li>Item 2</container:li>' +
  2227. '</container:ol>' +
  2228. '</container:li>' +
  2229. '</container:ol>' +
  2230. '<container:p>Paragraph</container:p>' +
  2231. '<container:ol>' +
  2232. '<container:li>Item 3' +
  2233. '<container:ol>' +
  2234. '<container:li>Item 4</container:li>' +
  2235. '</container:ol>' +
  2236. '</container:li>' +
  2237. '</container:ol>';
  2238. viewRoot._appendChild( parse( view ) );
  2239. renderer.markToSync( 'children', viewRoot );
  2240. renderer.render();
  2241. expect( domRoot.innerHTML ).to.equal(
  2242. '<ol><li>Item 1<ol><li>Item 2</li></ol></li></ol><p>Paragraph</p><ol><li>Item 3<ol><li>Item 4</li></ol></li></ol>' );
  2243. const viewOL1 = viewRoot.getChild( 0 );
  2244. viewOL1.getChild( 0 )._removeChildren( 1 );
  2245. viewRoot._removeChildren( 2 );
  2246. viewRoot._insertChild( 1, parse( '<container:p>Item 2</container:p>' ) );
  2247. viewRoot._insertChild( 3, parse( '<container:p>Item 3</container:p>' ) );
  2248. viewRoot._insertChild( 4, parse( '<container:ol><container:li>Item 4</container:li></container:ol>' ) );
  2249. const domOL1 = domRoot.childNodes[ 0 ];
  2250. const domOL2 = domRoot.childNodes[ 2 ];
  2251. const domP = domRoot.childNodes[ 1 ];
  2252. renderer.markToSync( 'children', viewRoot );
  2253. renderer.markToSync( 'children', viewOL1.getChild( 0 ) );
  2254. renderer.render();
  2255. expect( domRoot.innerHTML ).to.equal(
  2256. '<ol><li>Item 1</li></ol><p>Item 2</p><p>Paragraph</p><p>Item 3</p><ol><li>Item 4</li></ol>' );
  2257. expect( domRoot.childNodes[ 0 ] ).to.equal( domOL1 );
  2258. expect( domRoot.childNodes[ 2 ] ).to.equal( domP );
  2259. expect( domRoot.childNodes[ 4 ] ).to.equal( domOL2 );
  2260. } );
  2261. it( 'should handle attributes change in replaced elements', () => {
  2262. const view = '' +
  2263. '<container:ol>' +
  2264. '<container:li data-index="1" align="left">Item 1</container:li>' +
  2265. '</container:ol>' +
  2266. '<container:p>Paragraph ' +
  2267. '<attribute:a href="123">Link</attribute:a>' +
  2268. '</container:p>' +
  2269. '<container:p id="p1"><attribute:i>Bar</attribute:i>Baz</container:p>';
  2270. viewRoot._appendChild( parse( view ) );
  2271. renderer.markToSync( 'children', viewRoot );
  2272. renderer.render();
  2273. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2274. '<ol><li data-index="1" align="left">Item 1</li></ol>' +
  2275. '<p>Paragraph <a href="123">Link</a></p><p id="p1"><i>Bar</i>Baz</p>' ) );
  2276. const viewOL = viewRoot.getChild( 0 );
  2277. viewOL._removeChildren( 0 );
  2278. viewOL._insertChild( 0, parse( '<container:li data-index="2" data-attr="foo">Item 1</container:li>' ) );
  2279. const viewP1 = viewRoot.getChild( 1 );
  2280. viewP1._removeChildren( 1 );
  2281. viewP1._insertChild( 1, parse( '<attribute:a href="456" class="cke">Foo</attribute:a>' ) );
  2282. viewRoot._removeChildren( 2 );
  2283. viewRoot._insertChild( 2, parse( '<container:p>Bar</container:p>' ) );
  2284. renderer.markToSync( 'children', viewRoot );
  2285. renderer.markToSync( 'children', viewOL );
  2286. renderer.markToSync( 'children', viewP1 );
  2287. renderer.render();
  2288. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2289. '<ol><li data-index="2" data-attr="foo">Item 1</li></ol>' +
  2290. '<p>Paragraph <a href="456" class="cke">Foo</a></p><p>Bar</p>' ) );
  2291. } );
  2292. it( 'should handle classes change in replaced elements', () => {
  2293. const view = '' +
  2294. '<container:ol>' +
  2295. '<container:li class="foo1 bar2 baz3">Item 1</container:li>' +
  2296. '</container:ol>' +
  2297. '<container:p><attribute:i class="i1 i2">Bar</attribute:i>Baz</container:p>';
  2298. viewRoot._appendChild( parse( view ) );
  2299. renderer.markToSync( 'children', viewRoot );
  2300. renderer.render();
  2301. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2302. '<ol><li class="foo1 bar2 baz3">Item 1</li></ol><p><i class="i1 i2">Bar</i>Baz</p>' ) );
  2303. const viewOL = viewRoot.getChild( 0 );
  2304. const oldViewLI = viewOL.getChild( 0 );
  2305. viewOL._removeChildren( 0 );
  2306. viewOL._insertChild( 0, parse( '<container:li class="bar2 baz4 bax5">Item 1</container:li>' ) );
  2307. const oldViewP = viewRoot.getChild( 1 );
  2308. viewRoot._removeChildren( 1 );
  2309. viewRoot._insertChild( 1, parse( '<container:p class="p1 p2"><attribute:i>Foo</attribute:i></container:p>' ) );
  2310. renderer.markToSync( 'attributes', oldViewLI );
  2311. renderer.markToSync( 'attributes', oldViewP );
  2312. renderer.markToSync( 'children', viewRoot );
  2313. renderer.markToSync( 'children', viewOL );
  2314. renderer.render();
  2315. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2316. '<ol><li class="bar2 baz4 bax5">Item 1</li></ol><p class="p1 p2"><i>Foo</i></p>' ) );
  2317. } );
  2318. it( 'should handle styles change in replaced elements', () => {
  2319. const view = '' +
  2320. '<container:ol>' +
  2321. '<container:li style="color:#000;font-weight:bold;">Foo</container:li>' +
  2322. '<container:li>Bar ' +
  2323. '<attribute:i>' +
  2324. '<attribute:b style="color:#00F;background-color:#000;font-size:12px;">Baz</attribute:b>' +
  2325. ' Bax</attribute:i>' +
  2326. '</container:li>' +
  2327. '</container:ol>';
  2328. viewRoot._appendChild( parse( view, { stylesProcessor } ) );
  2329. renderer.markToSync( 'children', viewRoot );
  2330. renderer.render();
  2331. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2332. '<ol><li style="color:#000;font-weight:bold;">Foo</li>' +
  2333. '<li>Bar <i><b style="color:#00F;background-color:#000;font-size:12px;">Baz</b> Bax</i></li></ol>' ) );
  2334. const viewOL = viewRoot.getChild( 0 );
  2335. const viewLI1 = viewOL.getChild( 0 );
  2336. const viewLI2 = viewOL.getChild( 1 );
  2337. viewLI1._removeStyle( 'font-weight' );
  2338. viewLI1._setStyle( { color: '#FFF' } );
  2339. viewLI2._setStyle( { 'font-weight': 'bold' } );
  2340. viewLI2._removeChildren( 0, viewLI2.childCount );
  2341. viewLI2._insertChild( 0, parse( 'Ba1 <attribute:i style="color:#000;border-width:1px;">Ba3 ' +
  2342. '<attribute:b style="font-size:15px;">Ba2</attribute:b></attribute:i>' ) );
  2343. renderer.markToSync( 'attributes', viewLI1 );
  2344. renderer.markToSync( 'attributes', viewLI2 );
  2345. renderer.markToSync( 'children', viewRoot );
  2346. renderer.markToSync( 'children', viewLI2 );
  2347. renderer.render();
  2348. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2349. '<ol><li style="color:#FFF;">Foo</li>' +
  2350. '<li style="font-weight:bold;">Ba1 <i style="color:#000;border-width:1px;">Ba3 ' +
  2351. '<b style="font-size:15px;">Ba2</b></i></li></ol>' ) );
  2352. } );
  2353. it( 'should handle uiElement rendering', () => {
  2354. function createUIElement( id, text ) {
  2355. const element = new UIElement( viewDocument, 'span' );
  2356. element.render = function( domDocument ) {
  2357. const domElement = this.toDomElement( domDocument );
  2358. domElement.innerText = `<span id="${ id }"><b>${ text }</b></span>`;
  2359. return domElement;
  2360. };
  2361. return element;
  2362. }
  2363. const ui1 = createUIElement( 'id1', 'UI1' );
  2364. const ui2 = createUIElement( 'id2', 'UI2' );
  2365. const viewP = new ViewContainerElement( viewDocument, 'p', null, [
  2366. new ViewText( viewDocument, 'Foo ' ),
  2367. ui1,
  2368. new ViewText( viewDocument, 'Bar' )
  2369. ] );
  2370. viewRoot._appendChild( viewP );
  2371. renderer.markToSync( 'children', viewRoot );
  2372. renderer.render();
  2373. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2374. '<p>Foo <span><span id="id1"><b>UI1</b></span></span>Bar</p>' ) );
  2375. viewP._removeChildren( 0, viewP.childCount );
  2376. viewP._insertChild( 0, [ new ViewText( viewDocument, 'Foo' ), ui2, new ViewText( viewDocument, ' Bar' ) ] );
  2377. renderer.markToSync( 'children', viewRoot );
  2378. renderer.markToSync( 'children', viewP );
  2379. renderer.render();
  2380. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( normalizeHtml(
  2381. '<p>Foo<span><span id="id2"><b>UI2</b></span></span> Bar</p>' ) );
  2382. } );
  2383. it( 'should handle linking entire content', () => {
  2384. viewRoot._appendChild( parse( '<container:p>Foo<attribute:i>Bar</attribute:i></container:p>' ) );
  2385. renderer.markToSync( 'children', viewRoot );
  2386. renderer.render();
  2387. expect( domRoot.innerHTML ).to.equal( '<p>Foo<i>Bar</i></p>' );
  2388. const viewP = viewRoot.getChild( 0 );
  2389. // While linking, the existing DOM children are moved to a new `a` element during binding
  2390. // inside the `domConverter.viewToDom()` method. It happens because of a modified view structure
  2391. // where view elements were moved to a newly created link view element.
  2392. const viewA = new ViewAttributeElement( viewDocument, 'a', { href: '#href' }, [
  2393. new ViewText( viewDocument, 'Foo' ),
  2394. viewP.getChild( 1 )
  2395. ] );
  2396. viewP._removeChildren( 0, viewP.childCount );
  2397. viewP._insertChild( 0, viewA );
  2398. renderer.markToSync( 'children', viewRoot );
  2399. renderer.markToSync( 'children', viewP );
  2400. renderer.render();
  2401. expect( domRoot.innerHTML ).to.equal( '<p><a href="#href">Foo<i>Bar</i></a></p>' );
  2402. } );
  2403. } );
  2404. describe( 'optimal (minimal) rendering – minimal children changes', () => {
  2405. let observer;
  2406. beforeEach( () => {
  2407. observer = new MutationObserver( () => {} );
  2408. observer.observe( domRoot, {
  2409. childList: true,
  2410. attributes: false,
  2411. subtree: false
  2412. } );
  2413. } );
  2414. afterEach( () => {
  2415. observer.disconnect();
  2416. } );
  2417. it( 'should add only one child (at the beginning)', () => {
  2418. viewRoot._appendChild( parse( '<container:p>1</container:p>' ) );
  2419. renderer.markToSync( 'children', viewRoot );
  2420. renderer.render();
  2421. cleanObserver( observer );
  2422. viewRoot._insertChild( 0, parse( '<container:p>2</container:p>' ) );
  2423. renderer.markToSync( 'children', viewRoot );
  2424. renderer.render();
  2425. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2426. 'added: 1, removed: 0'
  2427. ] );
  2428. } );
  2429. it( 'should add only one child (at the end)', () => {
  2430. viewRoot._appendChild( parse( '<container:p>1</container:p>' ) );
  2431. renderer.markToSync( 'children', viewRoot );
  2432. renderer.render();
  2433. cleanObserver( observer );
  2434. viewRoot._appendChild( parse( '<container:p>2</container:p>' ) );
  2435. renderer.markToSync( 'children', viewRoot );
  2436. renderer.render();
  2437. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2438. 'added: 1, removed: 0'
  2439. ] );
  2440. } );
  2441. it( 'should add only one child (in the middle)', () => {
  2442. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2443. renderer.markToSync( 'children', viewRoot );
  2444. renderer.render();
  2445. cleanObserver( observer );
  2446. viewRoot._insertChild( 1, parse( '<container:p>3</container:p>' ) );
  2447. renderer.markToSync( 'children', viewRoot );
  2448. renderer.render();
  2449. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2450. 'added: 1, removed: 0'
  2451. ] );
  2452. } );
  2453. it( 'should not touch elements at all (rendering texts is enough)', () => {
  2454. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2455. renderer.markToSync( 'children', viewRoot );
  2456. renderer.render();
  2457. cleanObserver( observer );
  2458. viewRoot._insertChild( 1, parse( '<container:p>3</container:p>' ) );
  2459. viewRoot._removeChildren( 0, 1 );
  2460. renderer.markToSync( 'children', viewRoot );
  2461. renderer.render();
  2462. expect( getMutationStats( observer.takeRecords() ) ).to.be.empty;
  2463. } );
  2464. it( 'should add and remove one', () => {
  2465. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2466. renderer.markToSync( 'children', viewRoot );
  2467. renderer.render();
  2468. cleanObserver( observer );
  2469. viewRoot._insertChild( 1, parse( '<container:h1>3</container:h1>' ) );
  2470. viewRoot._removeChildren( 0, 1 );
  2471. renderer.markToSync( 'children', viewRoot );
  2472. renderer.render();
  2473. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2474. 'added: 1, removed: 0',
  2475. 'added: 0, removed: 1'
  2476. ] );
  2477. } );
  2478. it( 'should not touch the FSC when rendering children', () => {
  2479. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2480. // Set fake selection on the second paragraph.
  2481. selection._setTo( viewRoot.getChild( 1 ), 'on', { fake: true } );
  2482. renderer.markToSync( 'children', viewRoot );
  2483. renderer.render();
  2484. cleanObserver( observer );
  2485. // Remove the second paragraph.
  2486. viewRoot._removeChildren( 1, 1 );
  2487. // And set the fake selection on the first one.
  2488. selection._setTo( viewRoot.getChild( 0 ), 'on', { fake: true } );
  2489. renderer.markToSync( 'children', viewRoot );
  2490. renderer.render();
  2491. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2492. 'added: 0, removed: 1'
  2493. ] );
  2494. } );
  2495. it( 'should not incorrectly remove element which is not a FSC when rendering children', () => {
  2496. // This test's purpose is mostly reaching 100% CC.
  2497. observer = new MutationObserver( () => {} );
  2498. viewRoot._appendChild( parse( '<container:div><container:p>1</container:p><container:p>2</container:p></container:div>' ) );
  2499. const viewDiv = viewRoot.getChild( 0 );
  2500. // Set fake selection on the second paragraph.
  2501. selection._setTo( viewDiv.getChild( 1 ), 'on', { fake: true } );
  2502. renderer.markToSync( 'children', viewDiv );
  2503. renderer.markToSync( 'children', viewRoot );
  2504. renderer.render();
  2505. observer.observe( domRoot.childNodes[ 0 ], {
  2506. childList: true,
  2507. attributes: false,
  2508. subtree: false
  2509. } );
  2510. // Remove the second paragraph.
  2511. viewDiv._removeChildren( 1, 1 );
  2512. // And set the fake selection on the first one.
  2513. selection._setTo( viewDiv.getChild( 0 ), 'on', { fake: true } );
  2514. renderer.markToSync( 'children', viewDiv );
  2515. renderer.markToSync( 'children', viewRoot );
  2516. renderer.render();
  2517. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2518. 'added: 0, removed: 1'
  2519. ] );
  2520. observer.disconnect();
  2521. } );
  2522. describe( 'using fastDiff() - significant number of nodes in the editor', () => {
  2523. it( 'should add only one child (at the beginning)', () => {
  2524. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2525. renderer.markToSync( 'children', viewRoot );
  2526. renderer.render();
  2527. cleanObserver( observer );
  2528. viewRoot._insertChild( 0, parse( '<container:p>x</container:p>' ) );
  2529. renderer.markToSync( 'children', viewRoot );
  2530. renderer.render();
  2531. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2532. 'added: 1, removed: 0'
  2533. ] );
  2534. } );
  2535. it( 'should add only one child (at the end)', () => {
  2536. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2537. renderer.markToSync( 'children', viewRoot );
  2538. renderer.render();
  2539. cleanObserver( observer );
  2540. viewRoot._appendChild( parse( '<container:p>x</container:p>' ) );
  2541. renderer.markToSync( 'children', viewRoot );
  2542. renderer.render();
  2543. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2544. 'added: 1, removed: 0'
  2545. ] );
  2546. } );
  2547. it( 'should add only one child (in the middle)', () => {
  2548. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2549. renderer.markToSync( 'children', viewRoot );
  2550. renderer.render();
  2551. cleanObserver( observer );
  2552. viewRoot._insertChild( 75, parse( '<container:p>x</container:p>' ) );
  2553. renderer.markToSync( 'children', viewRoot );
  2554. renderer.render();
  2555. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2556. 'added: 1, removed: 0'
  2557. ] );
  2558. } );
  2559. it( 'should not touch elements at all (rendering texts is enough)', () => {
  2560. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2561. renderer.markToSync( 'children', viewRoot );
  2562. renderer.render();
  2563. cleanObserver( observer );
  2564. viewRoot._insertChild( 1, parse( '<container:p>x</container:p>' ) );
  2565. viewRoot._removeChildren( 0, 1 );
  2566. renderer.markToSync( 'children', viewRoot );
  2567. renderer.render();
  2568. expect( getMutationStats( observer.takeRecords() ) ).to.be.empty;
  2569. } );
  2570. it( 'should add and remove one', () => {
  2571. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2572. renderer.markToSync( 'children', viewRoot );
  2573. renderer.render();
  2574. cleanObserver( observer );
  2575. viewRoot._insertChild( 1, parse( '<container:h1>x</container:h1>' ) );
  2576. viewRoot._removeChildren( 0, 1 );
  2577. renderer.markToSync( 'children', viewRoot );
  2578. renderer.render();
  2579. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2580. 'added: 1, removed: 0',
  2581. 'added: 0, removed: 1'
  2582. ] );
  2583. } );
  2584. it( 'should not touch the FSC when rendering children', () => {
  2585. viewRoot._appendChild( parse( makeContainers( 151 ) ) );
  2586. // Set fake selection on the second paragraph.
  2587. selection._setTo( viewRoot.getChild( 1 ), 'on', { fake: true } );
  2588. renderer.markToSync( 'children', viewRoot );
  2589. renderer.render();
  2590. cleanObserver( observer );
  2591. // Remove the second paragraph.
  2592. viewRoot._removeChildren( 1, 1 );
  2593. // And set the fake selection on the first one.
  2594. selection._setTo( viewRoot.getChild( 0 ), 'on', { fake: true } );
  2595. renderer.markToSync( 'children', viewRoot );
  2596. renderer.render();
  2597. expect( getMutationStats( observer.takeRecords() ) ).to.deep.equal( [
  2598. 'added: 0, removed: 1'
  2599. ] );
  2600. } );
  2601. } );
  2602. function getMutationStats( mutationList ) {
  2603. return mutationList.map( mutation => {
  2604. return `added: ${ mutation.addedNodes.length }, removed: ${ mutation.removedNodes.length }`;
  2605. } );
  2606. }
  2607. function cleanObserver( observer ) {
  2608. observer.takeRecords();
  2609. }
  2610. function makeContainers( howMany ) {
  2611. const containers = [];
  2612. for ( let i = 1; i <= howMany; i++ ) {
  2613. containers.push( `<container:p>${ i }</container:p>` );
  2614. }
  2615. return containers.join( '' );
  2616. }
  2617. } );
  2618. // #1560
  2619. describe( 'attributes manipulation on replaced element', () => {
  2620. it( 'should rerender element if it was removed after having its attributes removed (attribute)', () => {
  2621. const writer = new DowncastWriter( viewDocument );
  2622. // 1. Setup initial view/DOM.
  2623. viewRoot._appendChild( parse( '<container:p>1</container:p>' ) );
  2624. const viewP = viewRoot.getChild( 0 );
  2625. writer.setAttribute( 'data-placeholder', 'Body', viewP );
  2626. renderer.markToSync( 'children', viewRoot );
  2627. renderer.render();
  2628. expect( domRoot.innerHTML ).to.equal( '<p data-placeholder="Body">1</p>' );
  2629. // 2. Modify view.
  2630. writer.removeAttribute( 'data-placeholder', viewP );
  2631. viewRoot._removeChildren( 0, viewRoot.childCount );
  2632. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2633. renderer.markToSync( 'attributes', viewP );
  2634. renderer.markToSync( 'children', viewRoot );
  2635. renderer.render();
  2636. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>2</p>' );
  2637. } );
  2638. it( 'should rerender element if it was removed after having its attributes removed (classes)', () => {
  2639. const writer = new DowncastWriter( viewDocument );
  2640. // 1. Setup initial view/DOM.
  2641. viewRoot._appendChild( parse( '<container:h1>h1</container:h1><container:p>p</container:p>' ) );
  2642. const viewP = viewRoot.getChild( 1 );
  2643. writer.addClass( [ 'cke-test1', 'cke-test2' ], viewP );
  2644. renderer.markToSync( 'children', viewRoot );
  2645. renderer.render();
  2646. expect( domRoot.innerHTML ).to.equal( '<h1>h1</h1><p class="cke-test1 cke-test2">p</p>' );
  2647. // 2. Modify view.
  2648. writer.removeClass( 'cke-test2', viewP );
  2649. viewRoot._removeChildren( 0, viewRoot.childCount );
  2650. viewRoot._appendChild( parse( '<container:h1>h1</container:h1>' +
  2651. '<container:p class="cke-test1">p</container:p><container:p>p2</container:p>' ) );
  2652. renderer.markToSync( 'attributes', viewP );
  2653. renderer.markToSync( 'children', viewRoot );
  2654. renderer.render();
  2655. expect( domRoot.innerHTML ).to.equal( '<h1>h1</h1><p class="cke-test1">p</p><p>p2</p>' );
  2656. } );
  2657. it( 'should rerender element if it was removed and have its attributes removed after', () => {
  2658. const writer = new DowncastWriter( viewDocument );
  2659. // 1. Setup initial view/DOM.
  2660. viewRoot._appendChild( parse( '<container:p>1</container:p>' ) );
  2661. const viewP = viewRoot.getChild( 0 );
  2662. writer.setAttribute( 'data-placeholder', 'Body', viewP );
  2663. renderer.markToSync( 'children', viewRoot );
  2664. renderer.render();
  2665. expect( domRoot.innerHTML ).to.equal( '<p data-placeholder="Body">1</p>' );
  2666. // 2. Modify view.
  2667. viewRoot._removeChildren( 0, viewRoot.childCount );
  2668. writer.removeAttribute( 'data-placeholder', viewP );
  2669. viewRoot._appendChild( parse( '<container:p>1</container:p><container:p>2</container:p>' ) );
  2670. renderer.markToSync( 'children', viewRoot );
  2671. renderer.render();
  2672. expect( domRoot.innerHTML ).to.equal( '<p>1</p><p>2</p>' );
  2673. } );
  2674. } );
  2675. // ckeditor/ckeditor5-utils#269
  2676. // The expected times has a significant margin above the usual execution time (which is around 40-50%
  2677. // of the expected time) because it depends on the browser and environment in which tests are run.
  2678. // However, for larger data sets the difference between using `diff()` and `fastDiff()` (see above issue for context)
  2679. // is more than 10x in execution time so it is clearly visible in these tests when something goes wrong.
  2680. describe( 'rendering performance', () => {
  2681. before( function() {
  2682. // Ignore on Edge browser where performance is quite poor.
  2683. if ( env.isEdge ) {
  2684. this.skip();
  2685. }
  2686. } );
  2687. it( 'should not take more than 350ms to render around 300 element nodes (same html)', () => {
  2688. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 65 ), generateViewData1( 55 ) );
  2689. expect( renderingTime ).to.be.within( 0, 350 );
  2690. } );
  2691. it( 'should not take more than 350ms to render around 300 element nodes (different html)', () => {
  2692. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 55 ), generateViewData2( 65 ) );
  2693. expect( renderingTime ).to.be.within( 0, 350 );
  2694. } );
  2695. it( 'should not take more than 350ms to render around 500 element nodes (same html)', () => {
  2696. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 105 ), generateViewData1( 95 ) );
  2697. expect( renderingTime ).to.be.within( 0, 350 );
  2698. } );
  2699. it( 'should not take more than 350ms to render around 500 element nodes (different html)', () => {
  2700. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 95 ), generateViewData2( 105 ) );
  2701. expect( renderingTime ).to.be.within( 0, 350 );
  2702. } );
  2703. it( 'should not take more than 350ms to render around 1000 element nodes (same html)', () => {
  2704. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 195 ), generateViewData1( 205 ) );
  2705. expect( renderingTime ).to.be.within( 0, 350 );
  2706. } );
  2707. it( 'should not take more than 350ms to render around 1000 element nodes (different html)', () => {
  2708. const renderingTime = measureRenderingTime( viewRoot, generateViewData1( 205 ), generateViewData2( 195 ) );
  2709. expect( renderingTime ).to.be.within( 0, 350 );
  2710. } );
  2711. function measureRenderingTime( viewRoot, initialData, newData ) {
  2712. // Set initial data.
  2713. const initialView = parse( initialData );
  2714. viewRoot._appendChild( initialView );
  2715. renderer.markToSync( 'children', viewRoot );
  2716. renderer.render();
  2717. // Set new data.
  2718. const newView = parse( newData );
  2719. viewRoot._removeChildren( 0, viewRoot.childCount );
  2720. viewRoot._appendChild( newView );
  2721. renderer.markToSync( 'children', viewRoot );
  2722. // Measure render time.
  2723. const start = Date.now();
  2724. renderer.render();
  2725. return Date.now() - start;
  2726. }
  2727. function generateViewData1( repeat = 1 ) {
  2728. const viewData = '' +
  2729. '<container:h1>' +
  2730. 'CKEditor 5 <attribute:strong>h1</attribute:strong> heading!' +
  2731. '</container:h1>' +
  2732. '<container:p>' +
  2733. 'Foo <attribute:strong>Bar</attribute:strong> Baz and some text' +
  2734. '</container:p>' +
  2735. '<container:ul>' +
  2736. '<container:li>Item 1</container:li>' +
  2737. '</container:ul>' +
  2738. '<container:ul>' +
  2739. '<container:li>Item 2</container:li>' +
  2740. '</container:ul>' +
  2741. '<container:ul>' +
  2742. '<container:li>Item 3</container:li>' +
  2743. '</container:ul>';
  2744. return viewData.repeat( repeat );
  2745. }
  2746. function generateViewData2( repeat = 1 ) {
  2747. const viewData = '' +
  2748. '<container:ol>' +
  2749. '<container:li>' +
  2750. '<attribute:strong>Foo</attribute:strong>' +
  2751. '</container:li>' +
  2752. '</container:ol>' +
  2753. '<container:ol>' +
  2754. '<container:li>Item 1</container:li>' +
  2755. '</container:ol>' +
  2756. '<container:h1>Heading 1</container:h1>' +
  2757. '<container:h2>' +
  2758. '<attribute:strong>Heading</attribute:strong> 2' +
  2759. '</container:h2>' +
  2760. '<container:h3>Heading 4</container:h3>';
  2761. return viewData.repeat( repeat );
  2762. }
  2763. } );
  2764. } );
  2765. describe( '#922', () => {
  2766. let view, viewDoc, viewRoot, domRoot, converter;
  2767. beforeEach( () => {
  2768. view = new View();
  2769. viewDoc = view.document;
  2770. domRoot = document.createElement( 'div' );
  2771. document.body.appendChild( domRoot );
  2772. viewRoot = createViewRoot( viewDoc );
  2773. view.attachDomRoot( domRoot );
  2774. converter = view.domConverter;
  2775. } );
  2776. afterEach( () => {
  2777. view.destroy();
  2778. domRoot.remove();
  2779. } );
  2780. it( 'should properly render unwrapped attributes #1', () => {
  2781. setViewData( view,
  2782. '<container:p>' +
  2783. '[<attribute:italic>' +
  2784. '<attribute:strong>f</attribute:strong>' +
  2785. '</attribute:italic>]' +
  2786. '<attribute:strong>oo</attribute:strong>' +
  2787. '</container:p>'
  2788. );
  2789. // Render it to DOM to create initial DOM <-> view mappings.
  2790. view.forceRender();
  2791. // Unwrap italic attribute element.
  2792. view.change( writer => {
  2793. writer.unwrap( viewDoc.selection.getFirstRange(), new ViewAttributeElement( viewDocument, 'italic' ) );
  2794. } );
  2795. expect( getViewData( view ) ).to.equal( '<p>[<strong>foo</strong>]</p>' );
  2796. // Re-render changes in view to DOM.
  2797. view.forceRender();
  2798. // Check if DOM is rendered correctly.
  2799. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><strong>foo</strong></p>' );
  2800. expect( checkMappings() ).to.be.true;
  2801. } );
  2802. it( 'should properly render unwrapped attributes #2', () => {
  2803. setViewData( view,
  2804. '<container:p>' +
  2805. '[<attribute:italic>' +
  2806. '<attribute:strong>foo</attribute:strong>' +
  2807. '</attribute:italic>]' +
  2808. '</container:p>' );
  2809. // Render it to DOM to create initial DOM <-> view mappings.
  2810. view.forceRender();
  2811. // Unwrap italic attribute element and change text inside.
  2812. view.change( writer => {
  2813. writer.unwrap( viewDoc.selection.getFirstRange(), new ViewAttributeElement( viewDocument, 'italic' ) );
  2814. } );
  2815. viewRoot.getChild( 0 ).getChild( 0 ).getChild( 0 )._data = 'bar';
  2816. expect( getViewData( view ) ).to.equal( '<p>[<strong>bar</strong>]</p>' );
  2817. // Re-render changes in view to DOM.
  2818. view.forceRender();
  2819. // Check if DOM is rendered correctly.
  2820. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><strong>bar</strong></p>' );
  2821. expect( checkMappings() ).to.be.true;
  2822. } );
  2823. it( 'should properly render if text is changed and element is inserted into same node #1', () => {
  2824. setViewData( view,
  2825. '<container:p>foo</container:p>'
  2826. );
  2827. // Render it to DOM to create initial DOM <-> view mappings.
  2828. view.forceRender();
  2829. // Change text and insert new element into paragraph.
  2830. const textNode = viewRoot.getChild( 0 ).getChild( 0 );
  2831. textNode._data = 'foobar';
  2832. view.change( writer => {
  2833. writer.insert( ViewPosition._createAfter( textNode ), new ViewAttributeElement( viewDocument, 'img' ) );
  2834. } );
  2835. expect( getViewData( view ) ).to.equal( '<p>foobar<img></img></p>' );
  2836. // Re-render changes in view to DOM.
  2837. view.forceRender();
  2838. // Check if DOM is rendered correctly.
  2839. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p>foobar<img></img></p>' );
  2840. expect( checkMappings() ).to.be.true;
  2841. } );
  2842. it( 'should properly render if text is changed and element is inserted into same node #2', () => {
  2843. setViewData( view,
  2844. '<container:p>foo</container:p>'
  2845. );
  2846. // Render it to DOM to create initial DOM <-> view mappings.
  2847. view.forceRender();
  2848. // Change text and insert new element into paragraph.
  2849. const textNode = viewRoot.getChild( 0 ).getChild( 0 );
  2850. textNode._data = 'foobar';
  2851. view.change( writer => {
  2852. writer.insert( ViewPosition._createBefore( textNode ), new ViewAttributeElement( viewDocument, 'img' ) );
  2853. } );
  2854. expect( getViewData( view ) ).to.equal( '<p><img></img>foobar</p>' );
  2855. // Re-render changes in view to DOM.
  2856. view.forceRender();
  2857. // Check if DOM is rendered correctly.
  2858. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><img></img>foobar</p>' );
  2859. expect( checkMappings() ).to.be.true;
  2860. } );
  2861. it( 'should not unbind elements that are removed and reinserted to DOM', () => {
  2862. setViewData( view,
  2863. '<container:p>' +
  2864. '<attribute:b></attribute:b>' +
  2865. '<attribute:i></attribute:i>' +
  2866. '<attribute:span></attribute:span>' +
  2867. '</container:p>'
  2868. );
  2869. // Render it to DOM to create initial DOM <-> view mappings.
  2870. view.forceRender();
  2871. // Remove first element and reinsert it at the end.
  2872. const container = viewRoot.getChild( 0 );
  2873. const firstElement = container.getChild( 0 );
  2874. view.change( writer => {
  2875. writer.remove( ViewRange._createOn( firstElement ) );
  2876. writer.insert( new ViewPosition( container, 2 ), firstElement );
  2877. } );
  2878. expect( getViewData( view ) ).to.equal( '<p><i></i><span></span><b></b></p>' );
  2879. // Re-render changes in view to DOM.
  2880. view.forceRender();
  2881. // Check if DOM is rendered correctly.
  2882. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><i></i><span></span><b></b></p>' );
  2883. expect( checkMappings() ).to.be.true;
  2884. } );
  2885. // Checks if every node in DOM tree is mapped to the view.
  2886. function checkMappings() {
  2887. const domWalker = document.createTreeWalker( domRoot, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT );
  2888. while ( domWalker.nextNode() ) {
  2889. const node = domWalker.currentNode;
  2890. if ( !converter.mapDomToView( node ) && !converter.findCorrespondingViewText( node ) ) {
  2891. return false;
  2892. }
  2893. }
  2894. return true;
  2895. }
  2896. } );
  2897. describe( '_markDescendantTextToSync', () => {
  2898. let viewRoot;
  2899. beforeEach( () => {
  2900. viewRoot = new ViewElement( viewDocument, 'div' );
  2901. renderer.markedTexts.clear();
  2902. renderer.markedAttributes.clear();
  2903. renderer.markedChildren.clear();
  2904. } );
  2905. it( 'should handle null values', () => {
  2906. // Such situation occurs when renderer encounters inline filler in 'renderer._updateChildren'.
  2907. renderer._markDescendantTextToSync( null );
  2908. expect( renderer.markedChildren.size ).to.equal( 0 );
  2909. expect( renderer.markedAttributes.size ).to.equal( 0 );
  2910. expect( renderer.markedTexts.size ).to.equal( 0 );
  2911. } );
  2912. it( 'should handle element nodes', () => {
  2913. const viewP = parse( '<container:p>foo<attribute:b>bar<attribute:i>baz</attribute:i></attribute:b></container:p>' );
  2914. viewRoot._appendChild( viewP );
  2915. renderer._markDescendantTextToSync( viewP );
  2916. expect( renderer.markedChildren.size ).to.equal( 0 );
  2917. expect( renderer.markedAttributes.size ).to.equal( 0 );
  2918. expect( renderer.markedTexts.size ).to.equal( 3 );
  2919. } );
  2920. it( 'should handle text nodes', () => {
  2921. const viewP = parse( '<container:p><attribute:b>bar<attribute:i>baz</attribute:i></attribute:b></container:p>' );
  2922. viewRoot._appendChild( viewP );
  2923. renderer._markDescendantTextToSync( viewP.getChild( 0 ).getChild( 0 ) );
  2924. expect( renderer.markedChildren.size ).to.equal( 0 );
  2925. expect( renderer.markedAttributes.size ).to.equal( 0 );
  2926. expect( renderer.markedTexts.size ).to.equal( 1 );
  2927. } );
  2928. it( 'should handle document fragment', () => {
  2929. const fragment = new DocumentFragment();
  2930. renderer._markDescendantTextToSync( fragment );
  2931. expect( renderer.markedChildren.size ).to.equal( 0 );
  2932. expect( renderer.markedAttributes.size ).to.equal( 0 );
  2933. expect( renderer.markedTexts.size ).to.equal( 0 );
  2934. } );
  2935. it( 'should handle empty element nodes', () => {
  2936. const viewP = parse( '<container:p></container:p>' );
  2937. viewRoot._appendChild( viewP );
  2938. renderer._markDescendantTextToSync( viewP );
  2939. expect( renderer.markedChildren.size ).to.equal( 0 );
  2940. expect( renderer.markedAttributes.size ).to.equal( 0 );
  2941. expect( renderer.markedTexts.size ).to.equal( 0 );
  2942. } );
  2943. } );
  2944. describe( '_updateText', () => {
  2945. let viewRoot, domRoot;
  2946. beforeEach( () => {
  2947. viewRoot = new ViewElement( viewDocument, 'div' );
  2948. domRoot = document.createElement( 'div' );
  2949. document.body.appendChild( domRoot );
  2950. domConverter.bindElements( domRoot, viewRoot );
  2951. renderer.markedTexts.clear();
  2952. renderer.markedAttributes.clear();
  2953. renderer.markedChildren.clear();
  2954. renderer.isFocused = true;
  2955. } );
  2956. afterEach( () => {
  2957. domRoot.remove();
  2958. } );
  2959. it( 'should update text - change on end', () => {
  2960. const viewText = new ViewText( viewDocument, 'foo' );
  2961. viewRoot._appendChild( viewText );
  2962. renderer.markToSync( 'children', viewRoot );
  2963. renderer.render();
  2964. expect( domRoot.childNodes.length ).to.equal( 1 );
  2965. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  2966. viewText._data = 'fobar';
  2967. renderer._updateText( viewText, {} );
  2968. expect( domRoot.childNodes.length ).to.equal( 1 );
  2969. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobar' );
  2970. } );
  2971. it( 'should update text - change on start', () => {
  2972. const viewText = new ViewText( viewDocument, 'foo' );
  2973. viewRoot._appendChild( viewText );
  2974. renderer.markToSync( 'children', viewRoot );
  2975. renderer.render();
  2976. expect( domRoot.childNodes.length ).to.equal( 1 );
  2977. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  2978. viewText._data = 'baro';
  2979. renderer._updateText( viewText, {} );
  2980. expect( domRoot.childNodes.length ).to.equal( 1 );
  2981. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'baro' );
  2982. } );
  2983. it( 'should update text - change in the middle', () => {
  2984. const viewText = new ViewText( viewDocument, 'foobar' );
  2985. viewRoot._appendChild( viewText );
  2986. renderer.markToSync( 'children', viewRoot );
  2987. renderer.render();
  2988. expect( domRoot.childNodes.length ).to.equal( 1 );
  2989. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foobar' );
  2990. viewText._data = 'fobazr';
  2991. renderer._updateText( viewText, {} );
  2992. expect( domRoot.childNodes.length ).to.equal( 1 );
  2993. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobazr' );
  2994. } );
  2995. it( 'should update text - empty expected', () => {
  2996. const viewText = new ViewText( viewDocument, 'foo' );
  2997. viewRoot._appendChild( viewText );
  2998. renderer.markToSync( 'children', viewRoot );
  2999. renderer.render();
  3000. expect( domRoot.childNodes.length ).to.equal( 1 );
  3001. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  3002. viewText._data = '';
  3003. renderer._updateText( viewText, {} );
  3004. expect( domRoot.childNodes.length ).to.equal( 1 );
  3005. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  3006. } );
  3007. it( 'should update text - empty actual', () => {
  3008. const viewText = new ViewText( viewDocument, '' );
  3009. viewRoot._appendChild( viewText );
  3010. renderer.markToSync( 'children', viewRoot );
  3011. renderer.render();
  3012. expect( domRoot.childNodes.length ).to.equal( 1 );
  3013. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  3014. viewText._data = 'fobar';
  3015. renderer._updateText( viewText, {} );
  3016. expect( domRoot.childNodes.length ).to.equal( 1 );
  3017. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobar' );
  3018. } );
  3019. it( 'should handle filler during text modifications', () => {
  3020. const viewText = new ViewText( viewDocument, 'foo' );
  3021. viewRoot._appendChild( viewText );
  3022. renderer.markToSync( 'children', viewRoot );
  3023. renderer.render();
  3024. expect( domRoot.childNodes.length ).to.equal( 1 );
  3025. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  3026. // 1. Insert filler.
  3027. renderer._updateText( viewText, {
  3028. inlineFillerPosition: {
  3029. parent: viewText.parent,
  3030. offset: 0
  3031. }
  3032. } );
  3033. expect( domRoot.childNodes.length ).to.equal( 1 );
  3034. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  3035. // 2. Edit text - filler should be preserved.
  3036. viewText._data = 'barfoo';
  3037. renderer._updateText( viewText, {
  3038. inlineFillerPosition: {
  3039. parent: viewText.parent,
  3040. offset: 0
  3041. }
  3042. } );
  3043. expect( domRoot.childNodes.length ).to.equal( 1 );
  3044. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'barfoo' );
  3045. // 3. Remove filler.
  3046. renderer._updateText( viewText, {} );
  3047. expect( domRoot.childNodes.length ).to.equal( 1 );
  3048. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'barfoo' );
  3049. } );
  3050. it( 'should handle filler during text modifications - empty text', () => {
  3051. const viewText = new ViewText( viewDocument, '' );
  3052. viewRoot._appendChild( viewText );
  3053. renderer.markToSync( 'children', viewRoot );
  3054. renderer.render();
  3055. expect( domRoot.childNodes.length ).to.equal( 1 );
  3056. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  3057. // 1. Insert filler.
  3058. renderer._updateText( viewText, {
  3059. inlineFillerPosition: {
  3060. parent: viewText.parent,
  3061. offset: 0
  3062. }
  3063. } );
  3064. expect( domRoot.childNodes.length ).to.equal( 1 );
  3065. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  3066. // 2. Edit text - filler should be preserved.
  3067. viewText._data = 'foo';
  3068. renderer._updateText( viewText, {
  3069. inlineFillerPosition: {
  3070. parent: viewText.parent,
  3071. offset: 0
  3072. }
  3073. } );
  3074. expect( domRoot.childNodes.length ).to.equal( 1 );
  3075. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  3076. // 3. Remove filler.
  3077. viewText._data = '';
  3078. renderer._updateText( viewText, {} );
  3079. expect( domRoot.childNodes.length ).to.equal( 1 );
  3080. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  3081. } );
  3082. it( 'should handle filler during text modifications inside inline element', () => {
  3083. const viewB = new ViewElement( viewDocument, 'b' );
  3084. const viewText = new ViewText( viewDocument, 'foo' );
  3085. viewB._appendChild( viewText );
  3086. viewRoot._appendChild( viewB );
  3087. renderer.markToSync( 'children', viewRoot );
  3088. renderer.render();
  3089. expect( domRoot.childNodes.length ).to.equal( 1 );
  3090. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  3091. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  3092. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  3093. // 1. Insert filler.
  3094. renderer._updateText( viewText, {
  3095. inlineFillerPosition: {
  3096. parent: viewText.parent,
  3097. offset: 0
  3098. }
  3099. } );
  3100. expect( domRoot.childNodes.length ).to.equal( 1 );
  3101. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  3102. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  3103. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  3104. // 2. Edit text - filler should be preserved.
  3105. viewText._data = 'bar';
  3106. renderer._updateText( viewText, {
  3107. inlineFillerPosition: {
  3108. parent: viewText.parent,
  3109. offset: 0
  3110. }
  3111. } );
  3112. expect( domRoot.childNodes.length ).to.equal( 1 );
  3113. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  3114. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  3115. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'bar' );
  3116. // 3. Remove filler.
  3117. viewText._data = 'bar';
  3118. renderer._updateText( viewText, {} );
  3119. expect( domRoot.childNodes.length ).to.equal( 1 );
  3120. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  3121. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  3122. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  3123. } );
  3124. } );
  3125. } );
  3126. function renderAndExpectNoChanges( renderer, domRoot ) {
  3127. const config = {
  3128. childList: true,
  3129. characterData: true,
  3130. characterDataOldValue: true,
  3131. subtree: true
  3132. };
  3133. const mutationObserver = new window.MutationObserver( () => {
  3134. throw 'There should be not mutations';
  3135. } );
  3136. mutationObserver.observe( domRoot, config );
  3137. renderer.render();
  3138. const records = mutationObserver.takeRecords();
  3139. mutationObserver.disconnect();
  3140. expect( records.length ).to.equal( 0 );
  3141. }