renderer.js 60 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals Range, document, window */
  6. import ViewElement from '../../src/view/element';
  7. import ViewText from '../../src/view/text';
  8. import ViewRange from '../../src/view/range';
  9. import ViewPosition from '../../src/view/position';
  10. import Selection from '../../src/view/selection';
  11. import DomConverter from '../../src/view/domconverter';
  12. import Renderer from '../../src/view/renderer';
  13. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  14. import { parse } from '../../src/dev-utils/view';
  15. import { INLINE_FILLER, INLINE_FILLER_LENGTH, isBlockFiller, BR_FILLER } from '../../src/view/filler';
  16. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  17. import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';
  18. import log from '@ckeditor/ckeditor5-utils/src/log';
  19. testUtils.createSinonSandbox();
  20. describe( 'Renderer', () => {
  21. let selection, domConverter, renderer;
  22. beforeEach( () => {
  23. selection = new Selection();
  24. domConverter = new DomConverter();
  25. renderer = new Renderer( domConverter, selection );
  26. renderer.domDocuments.add( document );
  27. } );
  28. describe( 'markToSync', () => {
  29. let viewRoot;
  30. beforeEach( () => {
  31. viewRoot = new ViewElement( 'p' );
  32. const domRoot = document.createElement( 'p' );
  33. domConverter.bindElements( domRoot, viewRoot );
  34. viewRoot.appendChildren( new ViewText( 'foo' ) );
  35. renderer.markedTexts.clear();
  36. renderer.markedAttributes.clear();
  37. renderer.markedChildren.clear();
  38. } );
  39. it( 'should mark attributes which need update', () => {
  40. viewRoot.setAttribute( 'class', 'foo' );
  41. renderer.markToSync( 'attributes', viewRoot );
  42. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  43. } );
  44. it( 'should mark children which need update', () => {
  45. viewRoot.appendChildren( new ViewText( 'foo' ) );
  46. renderer.markToSync( 'children', viewRoot );
  47. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  48. } );
  49. it( 'should not mark children if element has no corresponding node', () => {
  50. // Overwrite viewRoot with node without coresponding DOM node.
  51. viewRoot = new ViewElement( 'p' );
  52. viewRoot.appendChildren( new ViewText( 'foo' ) );
  53. renderer.markToSync( 'children', viewRoot );
  54. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  55. } );
  56. it( 'should mark text which need update', () => {
  57. const viewText = new ViewText( 'foo' );
  58. viewRoot.appendChildren( viewText );
  59. viewText.data = 'bar';
  60. renderer.markToSync( 'text', viewText );
  61. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  62. } );
  63. it( 'should not mark text if parent has no corresponding node', () => {
  64. const viewText = new ViewText( 'foo' );
  65. // Overwrite viewRoot with node without coresponding DOM node.
  66. viewRoot = new ViewElement( 'p' );
  67. viewRoot.appendChildren( viewText );
  68. viewText.data = 'bar';
  69. renderer.markToSync( 'text', viewText );
  70. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  71. } );
  72. it( 'should throw if the type is unknown', () => {
  73. expect( () => {
  74. renderer.markToSync( 'UNKNOWN', viewRoot );
  75. } ).to.throw( CKEditorError, /^view-renderer-unknown-type/ );
  76. } );
  77. } );
  78. describe( 'render', () => {
  79. let viewRoot, domRoot, selectionEditable;
  80. beforeEach( () => {
  81. viewRoot = new ViewElement( 'div' );
  82. domRoot = document.createElement( 'div' );
  83. document.body.appendChild( domRoot );
  84. domConverter.bindElements( domRoot, viewRoot );
  85. renderer.markedTexts.clear();
  86. renderer.markedAttributes.clear();
  87. renderer.markedChildren.clear();
  88. selection.removeAllRanges();
  89. selection.setFake( false );
  90. selectionEditable = viewRoot;
  91. renderer.isFocused = true;
  92. // Fake selection editable - it is needed to render selection properly.
  93. Object.defineProperty( selection, 'editableElement', {
  94. get: function() {
  95. return selectionEditable;
  96. }
  97. } );
  98. } );
  99. it( 'should update attributes', () => {
  100. viewRoot.setAttribute( 'class', 'foo' );
  101. renderer.markToSync( 'attributes', viewRoot );
  102. renderer.render();
  103. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  104. expect( renderer.markedAttributes.size ).to.equal( 0 );
  105. } );
  106. it( 'should remove attributes', () => {
  107. viewRoot.setAttribute( 'class', 'foo' );
  108. domRoot.setAttribute( 'id', 'bar' );
  109. domRoot.setAttribute( 'class', 'bar' );
  110. renderer.markToSync( 'attributes', viewRoot );
  111. renderer.render();
  112. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  113. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  114. expect( renderer.markedAttributes.size ).to.equal( 0 );
  115. } );
  116. it( 'should add children', () => {
  117. viewRoot.appendChildren( new ViewText( 'foo' ) );
  118. renderer.markToSync( 'children', viewRoot );
  119. renderer.render();
  120. expect( domRoot.childNodes.length ).to.equal( 1 );
  121. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  122. expect( renderer.markedChildren.size ).to.equal( 0 );
  123. } );
  124. it( 'should remove children', () => {
  125. viewRoot.appendChildren( new ViewText( 'foo' ) );
  126. renderer.markToSync( 'children', viewRoot );
  127. renderer.render();
  128. expect( domRoot.childNodes.length ).to.equal( 1 );
  129. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  130. viewRoot.removeChildren( 0, 1 );
  131. renderer.markToSync( 'children', viewRoot );
  132. renderer.render();
  133. expect( domRoot.childNodes.length ).to.equal( 0 );
  134. expect( renderer.markedChildren.size ).to.equal( 0 );
  135. } );
  136. it( 'should update text', () => {
  137. const viewText = new ViewText( 'foo' );
  138. viewRoot.appendChildren( viewText );
  139. renderer.markToSync( 'children', viewRoot );
  140. renderer.render();
  141. expect( domRoot.childNodes.length ).to.equal( 1 );
  142. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  143. viewText.data = 'bar';
  144. renderer.markToSync( 'text', viewText );
  145. renderer.render();
  146. expect( domRoot.childNodes.length ).to.equal( 1 );
  147. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  148. expect( renderer.markedTexts.size ).to.equal( 0 );
  149. } );
  150. it( 'should not update text parent child list changed', () => {
  151. const viewImg = new ViewElement( 'img' );
  152. const viewText = new ViewText( 'foo' );
  153. viewRoot.appendChildren( [ viewImg, viewText ] );
  154. renderer.markToSync( 'children', viewRoot );
  155. renderer.markToSync( 'text', viewText );
  156. renderer.render();
  157. expect( domRoot.childNodes.length ).to.equal( 2 );
  158. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  159. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  160. } );
  161. it( 'should not change text if it is the same during text rendering', () => {
  162. const viewText = new ViewText( 'foo' );
  163. viewRoot.appendChildren( viewText );
  164. renderer.markToSync( 'children', viewRoot );
  165. renderer.render();
  166. // This should not be changed during the render.
  167. const domText = domRoot.childNodes[ 0 ];
  168. renderer.markToSync( 'text', viewText );
  169. renderer.render();
  170. expect( domRoot.childNodes.length ).to.equal( 1 );
  171. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  172. } );
  173. it( 'should not change text if it is the same during children rendering', () => {
  174. const viewText = new ViewText( 'foo' );
  175. viewRoot.appendChildren( viewText );
  176. renderer.markToSync( 'children', viewRoot );
  177. renderer.render();
  178. // This should not be changed during the render.
  179. const domText = domRoot.childNodes[ 0 ];
  180. renderer.markToSync( 'children', viewRoot );
  181. renderer.render();
  182. expect( domRoot.childNodes.length ).to.equal( 1 );
  183. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  184. } );
  185. it( 'should not change element if it is the same', () => {
  186. const viewImg = new ViewElement( 'img' );
  187. viewRoot.appendChildren( viewImg );
  188. // This should not be changed during the render.
  189. const domImg = document.createElement( 'img' );
  190. domRoot.appendChild( domImg );
  191. domConverter.bindElements( domImg, viewImg );
  192. renderer.markToSync( 'children', viewRoot );
  193. renderer.render();
  194. expect( domRoot.childNodes.length ).to.equal( 1 );
  195. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  196. } );
  197. it( 'should change element if it is different', () => {
  198. const viewImg = new ViewElement( 'img' );
  199. viewRoot.appendChildren( viewImg );
  200. renderer.markToSync( 'children', viewRoot );
  201. renderer.render();
  202. const viewP = new ViewElement( 'p' );
  203. viewRoot.removeChildren( 0, 1 );
  204. viewRoot.appendChildren( viewP );
  205. renderer.markToSync( 'children', viewRoot );
  206. renderer.render();
  207. expect( domRoot.childNodes.length ).to.equal( 1 );
  208. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  209. } );
  210. it( 'should update removed item when it is reinserted', () => {
  211. const viewFoo = new ViewText( 'foo' );
  212. const viewP = new ViewElement( 'p', null, viewFoo );
  213. const viewDiv = new ViewElement( 'div', null, viewP );
  214. viewRoot.appendChildren( viewDiv );
  215. renderer.markToSync( 'children', viewRoot );
  216. renderer.render();
  217. viewDiv.removeChildren( 0, 1 );
  218. renderer.markToSync( 'children', viewDiv );
  219. renderer.render();
  220. viewP.removeChildren( 0, 1 );
  221. viewDiv.appendChildren( viewP );
  222. renderer.markToSync( 'children', viewDiv );
  223. renderer.render();
  224. expect( domRoot.childNodes.length ).to.equal( 1 );
  225. const domDiv = domRoot.childNodes[ 0 ];
  226. expect( domDiv.tagName ).to.equal( 'DIV' );
  227. expect( domDiv.childNodes.length ).to.equal( 1 );
  228. const domP = domDiv.childNodes[ 0 ];
  229. expect( domP.tagName ).to.equal( 'P' );
  230. expect( domP.childNodes.length ).to.equal( 0 );
  231. } );
  232. it( 'should not throw when trying to update children of view element that got removed and lost its binding', () => {
  233. const viewFoo = new ViewText( 'foo' );
  234. const viewP = new ViewElement( 'p', null, viewFoo );
  235. const viewDiv = new ViewElement( 'div', null, viewP );
  236. viewRoot.appendChildren( viewDiv );
  237. renderer.markToSync( 'children', viewRoot );
  238. renderer.render();
  239. viewRoot.removeChildren( 0, 1 );
  240. renderer.markToSync( 'children', viewRoot );
  241. viewDiv.removeChildren( 0, 1 );
  242. renderer.markToSync( 'children', viewDiv );
  243. viewP.removeChildren( 0, 1 );
  244. renderer.markToSync( 'children', viewP );
  245. renderer.render();
  246. expect( domRoot.childNodes.length ).to.equal( 0 );
  247. } );
  248. it( 'should not care about filler if there is no DOM', () => {
  249. selectionEditable = null;
  250. const { view: viewP, selection: newSelection } = parse(
  251. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  252. const viewRoot = new ViewElement( 'p' );
  253. viewRoot.appendChildren( viewP );
  254. selection.setTo( newSelection );
  255. renderer.markToSync( 'children', viewRoot );
  256. renderer.render();
  257. // Expect no error on render.
  258. expect( viewRoot ).to.be.ok;
  259. } );
  260. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  261. const domSelection = document.getSelection();
  262. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  263. const { view: viewP, selection: newSelection } = parse(
  264. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  265. viewRoot.appendChildren( viewP );
  266. selection.setTo( newSelection );
  267. renderer.markToSync( 'children', viewRoot );
  268. renderer.render();
  269. expect( domRoot.childNodes.length ).to.equal( 1 );
  270. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  271. const domP = domRoot.childNodes[ 0 ];
  272. expect( domP.childNodes.length ).to.equal( 3 );
  273. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  274. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  275. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  276. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  277. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  278. expect( domSelection.rangeCount ).to.equal( 1 );
  279. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  280. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  281. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  282. // Step 2: No mutation on second render
  283. renderer.markToSync( 'children', viewRoot );
  284. renderer.markToSync( 'children', viewP );
  285. renderAndExpectNoChanges( renderer, domRoot );
  286. // Step 3: <p>foo{}<b></b></p>
  287. selection.removeAllRanges();
  288. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  289. renderer.render();
  290. expect( domP.childNodes.length ).to.equal( 3 );
  291. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  292. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  293. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  294. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  295. expect( domSelection.rangeCount ).to.equal( 1 );
  296. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  297. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  298. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  299. // Step 4: No mutation on second render
  300. renderer.markToSync( 'children', viewRoot );
  301. renderer.markToSync( 'children', viewP );
  302. renderAndExpectNoChanges( renderer, domRoot );
  303. } );
  304. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  305. const domSelection = document.getSelection();
  306. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  307. const { view: viewP, selection: newSelection } = parse(
  308. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  309. viewRoot.appendChildren( viewP );
  310. selection.setTo( newSelection );
  311. renderer.markToSync( 'children', viewRoot );
  312. renderer.render();
  313. const domP = domRoot.childNodes[ 0 ];
  314. expect( domP.childNodes.length ).to.equal( 2 );
  315. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  316. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  317. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  318. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  319. expect( domSelection.rangeCount ).to.equal( 1 );
  320. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  321. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  322. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  323. // Step 2: No mutation on second render
  324. renderer.markToSync( 'children', viewP );
  325. renderAndExpectNoChanges( renderer, domRoot );
  326. // Step 3: <p><b>{}foo</b></p>
  327. selection.removeAllRanges();
  328. selection.addRange( ViewRange.createFromParentsAndOffsets(
  329. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  330. renderer.render();
  331. expect( domP.childNodes.length ).to.equal( 1 );
  332. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  333. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  334. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  335. expect( domSelection.rangeCount ).to.equal( 1 );
  336. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  337. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  338. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  339. // Step 4: No mutation on second render
  340. renderer.markToSync( 'children', viewP );
  341. renderAndExpectNoChanges( renderer, domRoot );
  342. } );
  343. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  344. const domSelection = document.getSelection();
  345. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  346. const { view: viewP, selection: newSelection } = parse(
  347. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  348. viewRoot.appendChildren( viewP );
  349. selection.setTo( newSelection );
  350. renderer.markToSync( 'children', viewRoot );
  351. renderer.render();
  352. const domP = domRoot.childNodes[ 0 ];
  353. expect( domP.childNodes.length ).to.equal( 2 );
  354. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  355. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  356. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  357. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  358. expect( domSelection.rangeCount ).to.equal( 1 );
  359. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  360. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  361. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  362. // Step 2: No mutation on second render
  363. renderer.markToSync( 'children', viewP );
  364. renderAndExpectNoChanges( renderer, domRoot );
  365. // Step 3: <p><b>foo{}</b></p>
  366. selection.removeAllRanges();
  367. selection.addRange( ViewRange.createFromParentsAndOffsets(
  368. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  369. renderer.render();
  370. expect( domP.childNodes.length ).to.equal( 1 );
  371. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  372. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  373. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  374. expect( domSelection.rangeCount ).to.equal( 1 );
  375. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  376. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  377. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  378. // Step 4: No mutation on second render
  379. renderer.markToSync( 'children', viewP );
  380. renderAndExpectNoChanges( renderer, domRoot );
  381. } );
  382. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  383. const domSelection = document.getSelection();
  384. const { view: viewP, selection: newSelection } = parse(
  385. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  386. viewRoot.appendChildren( viewP );
  387. selection.setTo( newSelection );
  388. renderer.markToSync( 'children', viewRoot );
  389. renderer.render();
  390. const domP = domRoot.childNodes[ 0 ];
  391. expect( domP.childNodes.length ).to.equal( 3 );
  392. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  393. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  394. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  395. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  396. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  397. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  398. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  399. expect( domSelection.rangeCount ).to.equal( 1 );
  400. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  401. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  402. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  403. } );
  404. it( 'should move filler when selection is moved', () => {
  405. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  406. const { view: viewP, selection: newSelection } = parse(
  407. '<container:p>foo<attribute:b>[]</attribute:b><attribute:i></attribute:i></container:p>' );
  408. viewRoot.appendChildren( viewP );
  409. selection.setTo( newSelection );
  410. renderer.markToSync( 'children', viewRoot );
  411. renderer.render();
  412. const domP = domRoot.childNodes[ 0 ];
  413. expect( domP.childNodes.length ).to.equal( 3 );
  414. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  415. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  416. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  417. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  418. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  419. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 0 );
  420. // Step 2: <p>foo<b></b><i>"FILLER{}"</i></p>
  421. selection.removeAllRanges();
  422. const viewI = viewP.getChild( 2 );
  423. selection.addRange( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  424. renderer.render();
  425. expect( domP.childNodes.length ).to.equal( 3 );
  426. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  427. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  428. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  429. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  430. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  431. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  432. } );
  433. it( 'should remove filler when text is added and selection removed', () => {
  434. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  435. const { view: viewP, selection: newSelection } = parse( '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  436. const viewB = viewP.getChild( 1 );
  437. viewRoot.appendChildren( viewP );
  438. selection.setTo( newSelection );
  439. renderer.markToSync( 'children', viewRoot );
  440. renderer.render();
  441. const domP = domRoot.childNodes[ 0 ];
  442. expect( domP.childNodes.length ).to.equal( 2 );
  443. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  444. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  445. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  446. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  447. // Step 2: Add text node.
  448. const viewText = new ViewText( 'x' );
  449. viewB.appendChildren( viewText );
  450. selection.removeAllRanges();
  451. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  452. renderer.markToSync( 'children', viewB );
  453. renderer.render();
  454. // Step 3: Remove selection from the view.
  455. selection.removeAllRanges();
  456. renderer.render();
  457. expect( domP.childNodes.length ).to.equal( 2 );
  458. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  459. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  460. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  461. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'x' );
  462. } );
  463. // #659
  464. // The element before the filler is removed so the position of the filler
  465. // cannot be remembered as parent+offset.
  466. it( 'should remove filler from a modified DOM in case <p>bar<b>foo</b>[]</p>', () => {
  467. // Step 1: <p>bar<b>foo</b>"FILLER{}"</p>
  468. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>foo</attribute:b>[]</container:p>' );
  469. viewRoot.appendChildren( 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[ 2 ].data ).to.equal( INLINE_FILLER );
  476. // Step 2: Remove the <b> and update the selection (<p>bar[]</p>).
  477. viewP.removeChildren( 1 );
  478. selection.removeAllRanges();
  479. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 1, viewP, 1 ) );
  480. renderer.markToSync( 'children', viewP );
  481. renderer.render();
  482. // Step 3: Check whether there's no filler in the DOM.
  483. expect( domP.childNodes.length ).to.equal( 1 );
  484. expect( domP.childNodes[ 0 ].data ).to.equal( 'bar' );
  485. } );
  486. // #659
  487. it( 'should remove filler from a modified DOM when children moved', () => {
  488. // Step 1: <p><b>foo</b>"FILLER{}"<b>bar</b></p><p></p>
  489. const { view: viewFragment, selection: newSelection }
  490. = parse( '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p><container:p></container:p>' );
  491. viewRoot.appendChildren( viewFragment );
  492. selection.setTo( newSelection );
  493. renderer.markToSync( 'children', viewRoot );
  494. renderer.render();
  495. expect( domRoot.childNodes.length ).to.equal( 2 );
  496. const domP = domRoot.childNodes[ 0 ];
  497. const domP2 = domRoot.childNodes[ 1 ];
  498. expect( domP.childNodes.length ).to.equal( 3 );
  499. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  500. // Step 2: Move <b>foo</b><b>bar</b> to the second paragraph and leave collapsed selection in the first one.
  501. // <p>[]</p><p><b>foo</b><b>bar</b></p>
  502. const viewP = viewRoot.getChild( 0 );
  503. const viewP2 = viewRoot.getChild( 1 );
  504. const removedChildren = viewP.removeChildren( 0, 2 );
  505. viewP2.appendChildren( removedChildren );
  506. selection.removeAllRanges();
  507. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  508. renderer.markToSync( 'children', viewP );
  509. renderer.markToSync( 'children', viewP2 );
  510. renderer.render();
  511. // Step 3: Check whether in the first paragraph there's a <br> filler and that
  512. // in the second one there are two <b> tags.
  513. expect( domP.childNodes.length ).to.equal( 1 );
  514. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  515. expect( domP2.childNodes.length ).to.equal( 2 );
  516. expect( domP2.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  517. expect( domP2.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  518. } );
  519. // Test for an edge case in the _isSelectionInInlineFiller which can be triggered like
  520. // in one of ckeditor/ckeditor5-typing#59 automated tests.
  521. it( 'should not break when selection is moved to a new element, when filler exists', () => {
  522. // Step 1: <p>bar<b>"FILLER{}"</b></p>
  523. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>[]</attribute:b></container:p>' );
  524. viewRoot.appendChildren( viewP );
  525. selection.setTo( newSelection );
  526. renderer.markToSync( 'children', viewRoot );
  527. renderer.render();
  528. const domP = domRoot.childNodes[ 0 ];
  529. expect( domP.childNodes.length ).to.equal( 2 );
  530. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  531. // Step 2: Move selection to a new attribute element and remove the previous one
  532. viewP.removeChildren( 1 ); // Remove <b>.
  533. const viewI = parse( '<attribute:i></attribute:i>' );
  534. viewP.appendChildren( viewI );
  535. selection.removeAllRanges();
  536. selection.addRange( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  537. renderer.markToSync( 'children', viewP );
  538. renderer.render();
  539. // Step 3: Check whether new filler was created in the <i> element.
  540. expect( domP.childNodes.length ).to.equal( 2 );
  541. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'i' );
  542. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  543. } );
  544. // Test for an edge case in the _isSelectionInInlineFiller, when selection is before a view element
  545. // that has not been yet rendered/bound to DOM.
  546. it( 'should remove inline filler if selection is before a view element not bound to dom', () => {
  547. // Step 1: <p>bar<b>abc</b>"FILLER"{}</p>
  548. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>abc</attribute:b>[]</container:p>' );
  549. viewRoot.appendChildren( viewP );
  550. selection.setTo( newSelection );
  551. renderer.markToSync( 'children', viewRoot );
  552. renderer.render();
  553. const domP = domRoot.childNodes[ 0 ];
  554. expect( domP.childNodes.length ).to.equal( 3 );
  555. expect( domP.childNodes[ 2 ].data ).to.equal( INLINE_FILLER );
  556. // Step 2: Move selection to a new attribute element.
  557. const viewAbc = parse( 'abc' );
  558. viewP.appendChildren( viewAbc );
  559. selection.removeAllRanges();
  560. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 3, viewP, 3 ) );
  561. renderer.markToSync( 'children', viewP );
  562. renderer.render();
  563. // Step 3: Check whether old filler was removed.
  564. expect( domP.childNodes.length ).to.equal( 3 );
  565. expect( domP.textContent.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  566. } );
  567. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  568. const domSelection = document.getSelection();
  569. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  570. viewRoot.appendChildren( viewP );
  571. selection.setTo( newSelection );
  572. renderer.markToSync( 'children', viewRoot );
  573. renderer.render();
  574. const domP = domRoot.childNodes[ 0 ];
  575. expect( domP.childNodes.length ).to.equal( 1 );
  576. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  577. expect( domSelection.rangeCount ).to.equal( 1 );
  578. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  579. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  580. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  581. // Remove filler and add text node to both DOM and View <p>x{}</p>
  582. domP.removeChild( domP.childNodes[ 0 ] );
  583. domP.appendChild( document.createTextNode( 'x' ) );
  584. domSelection.removeAllRanges();
  585. const domRange = new Range();
  586. domRange.setStart( domP.childNodes[ 0 ], 1 );
  587. domRange.collapse( true );
  588. domSelection.addRange( domRange );
  589. const viewText = new ViewText( 'x' );
  590. viewP.appendChildren( viewText );
  591. selection.removeAllRanges();
  592. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  593. renderer.markToSync( 'children', viewP );
  594. renderAndExpectNoChanges( renderer, domRoot );
  595. } );
  596. it( 'should handle typing in empty block, render if needed', () => {
  597. const domSelection = document.getSelection();
  598. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  599. viewRoot.appendChildren( viewP );
  600. selection.setTo( newSelection );
  601. renderer.markToSync( 'children', viewRoot );
  602. renderer.render();
  603. const domP = domRoot.childNodes[ 0 ];
  604. expect( domP.childNodes.length ).to.equal( 1 );
  605. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  606. expect( domSelection.rangeCount ).to.equal( 1 );
  607. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  608. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  609. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  610. // Add text node only in View <p>x{}</p>
  611. const viewText = new ViewText( 'x' );
  612. viewP.appendChildren( viewText );
  613. selection.removeAllRanges();
  614. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  615. renderer.markToSync( 'children', viewP );
  616. renderer.render();
  617. expect( domP.childNodes.length ).to.equal( 1 );
  618. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  619. expect( domSelection.rangeCount ).to.equal( 1 );
  620. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  621. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  622. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  623. } );
  624. it( 'should handle removing last character', () => {
  625. const domSelection = document.getSelection();
  626. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  627. viewRoot.appendChildren( viewP );
  628. selection.setTo( newSelection );
  629. renderer.markToSync( 'children', viewRoot );
  630. renderer.render();
  631. const domP = domRoot.childNodes[ 0 ];
  632. expect( domP.childNodes.length ).to.equal( 1 );
  633. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  634. expect( domSelection.rangeCount ).to.equal( 1 );
  635. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  636. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  637. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  638. // Remove text and add filler to both DOM and View <p>{}</p>
  639. domP.removeChild( domP.childNodes[ 0 ] );
  640. domP.appendChild( BR_FILLER( document ) );
  641. domSelection.removeAllRanges();
  642. const domRange = new Range();
  643. domRange.setStart( domP.childNodes[ 0 ], 0 );
  644. domRange.collapse( true );
  645. domSelection.addRange( domRange );
  646. viewP.removeChildren( 0 );
  647. selection.removeAllRanges();
  648. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  649. renderer.markToSync( 'children', viewP );
  650. renderAndExpectNoChanges( renderer, domRoot );
  651. } );
  652. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  653. const domSelection = document.getSelection();
  654. // 1. Render <p><b>FILLER{}</b>foo</p>.
  655. const { view: viewP, selection: newSelection } = parse(
  656. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  657. viewRoot.appendChildren( viewP );
  658. selection.setTo( newSelection );
  659. renderer.markToSync( 'children', viewRoot );
  660. renderer.render();
  661. // 2. Check the DOM.
  662. const domP = domRoot.childNodes[ 0 ];
  663. expect( domP.childNodes.length ).to.equal( 2 );
  664. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  665. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  666. const domB = domP.childNodes[ 0 ];
  667. const viewB = viewP.getChild( 0 );
  668. expect( domB.childNodes.length ).to.equal( 1 );
  669. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  670. expect( domSelection.rangeCount ).to.equal( 1 );
  671. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  672. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  673. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  674. // 3. Add text node to both the DOM and the view: <p><b>FILLERx</b>foo</p>.
  675. domB.childNodes[ 0 ].data += 'x';
  676. domSelection.removeAllRanges();
  677. const domRange = new Range();
  678. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  679. domRange.collapse( true );
  680. domSelection.addRange( domRange );
  681. const viewText = new ViewText( 'x' );
  682. viewB.appendChildren( viewText );
  683. selection.removeAllRanges();
  684. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  685. renderer.markToSync( 'children', viewP );
  686. renderAndExpectNoChanges( renderer, domRoot );
  687. } );
  688. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  689. const domSelection = document.getSelection();
  690. // 1. Render <p><b>FILLER{}</b>foo</p>.
  691. const { view: viewP, selection: newSelection } = parse(
  692. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  693. viewRoot.appendChildren( viewP );
  694. selection.setTo( newSelection );
  695. renderer.markToSync( 'children', viewRoot );
  696. renderer.render();
  697. // 2. Check the DOM.
  698. const domP = domRoot.childNodes[ 0 ];
  699. expect( domP.childNodes.length ).to.equal( 2 );
  700. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  701. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  702. const domB = domP.childNodes[ 0 ];
  703. const viewB = viewP.getChild( 0 );
  704. expect( domB.childNodes.length ).to.equal( 1 );
  705. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  706. expect( domSelection.rangeCount ).to.equal( 1 );
  707. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  708. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  709. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  710. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  711. const viewText = new ViewText( 'x' );
  712. viewB.appendChildren( viewText );
  713. selection.removeAllRanges();
  714. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  715. renderer.markToSync( 'children', viewB );
  716. renderer.render();
  717. expect( domB.childNodes.length ).to.equal( 1 );
  718. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  719. expect( domSelection.rangeCount ).to.equal( 1 );
  720. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  721. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  722. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  723. } );
  724. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  725. const domSelection = document.getSelection();
  726. // 1. Render <p><b>FILLER{}</b>foo</p>.
  727. const { view: viewP, selection: newSelection } = parse(
  728. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  729. viewRoot.appendChildren( viewP );
  730. selection.setTo( newSelection );
  731. renderer.markToSync( 'children', viewRoot );
  732. renderer.render();
  733. // 2. Check the DOM.
  734. const domP = domRoot.childNodes[ 0 ];
  735. expect( domP.childNodes.length ).to.equal( 2 );
  736. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  737. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  738. const domB = domP.childNodes[ 0 ];
  739. const viewB = viewP.getChild( 0 );
  740. expect( domB.childNodes.length ).to.equal( 1 );
  741. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  742. expect( domSelection.rangeCount ).to.equal( 1 );
  743. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  744. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  745. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  746. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  747. const viewText = new ViewText( 'x' );
  748. viewB.appendChildren( viewText );
  749. selection.removeAllRanges();
  750. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  751. renderer.markToSync( 'text', viewText );
  752. renderer.render();
  753. // 4. Check the DOM.
  754. expect( domB.childNodes.length ).to.equal( 1 );
  755. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  756. expect( domSelection.rangeCount ).to.equal( 1 );
  757. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  758. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  759. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  760. } );
  761. it( 'should handle not collapsed range', () => {
  762. const domSelection = document.getSelection();
  763. const { view: viewP, selection: newSelection } = parse(
  764. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  765. viewRoot.appendChildren( viewP );
  766. selection.setTo( newSelection );
  767. renderer.markToSync( 'children', viewRoot );
  768. renderer.render();
  769. const domP = domRoot.childNodes[ 0 ];
  770. expect( domP.childNodes.length ).to.equal( 2 );
  771. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  772. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  773. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  774. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  775. expect( domSelection.rangeCount ).to.equal( 1 );
  776. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  777. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  778. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  779. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  780. renderer.markToSync( 'children', viewP );
  781. renderAndExpectNoChanges( renderer, domRoot );
  782. } );
  783. it( 'should not change selection if there is no editable with selection', () => {
  784. const domDiv = createElement( document, 'div', null, 'not editable' );
  785. document.body.appendChild( domDiv );
  786. const domSelection = document.getSelection();
  787. domSelection.removeAllRanges();
  788. const domRange = new Range();
  789. domRange.setStart( domDiv, 0 );
  790. domRange.collapse( true );
  791. domSelection.addRange( domRange );
  792. selectionEditable = null;
  793. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  794. viewRoot.appendChildren( viewP );
  795. selection.setTo( newSelection );
  796. renderer.render();
  797. expect( domSelection.rangeCount ).to.equal( 1 );
  798. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  799. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  800. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  801. } );
  802. it( 'should not change selection if there is no focus', () => {
  803. const domDiv = createElement( document, 'div', null, 'not editable' );
  804. document.body.appendChild( domDiv );
  805. const domSelection = document.getSelection();
  806. domSelection.removeAllRanges();
  807. const domRange = new Range();
  808. domRange.setStart( domDiv, 0 );
  809. domRange.collapse( true );
  810. domSelection.addRange( domRange );
  811. renderer.isFocused = false;
  812. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  813. viewRoot.appendChildren( viewP );
  814. selection.setTo( newSelection );
  815. renderer.render();
  816. expect( domSelection.rangeCount ).to.equal( 1 );
  817. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  818. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  819. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  820. } );
  821. it( 'should not add inline filler after text node', () => {
  822. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  823. viewRoot.appendChildren( viewP );
  824. selection.setTo( newSelection );
  825. renderer.markToSync( 'children', viewRoot );
  826. renderer.render();
  827. const domP = domRoot.childNodes[ 0 ];
  828. expect( domP.innerHTML.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  829. } );
  830. it( 'should throw if there is no filler in expected position', () => {
  831. const { view: viewP, selection: newSelection } = parse(
  832. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  833. viewRoot.appendChildren( viewP );
  834. selection.setTo( newSelection );
  835. renderer.markToSync( 'children', viewRoot );
  836. renderer.render();
  837. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  838. const viewB = viewP.getChild( 1 );
  839. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  840. // Remove filler.
  841. domB.childNodes[ 0 ].data = '';
  842. selection.removeAllRanges();
  843. renderer.markToSync( 'children', viewB );
  844. expect( () => {
  845. renderer.render();
  846. } ).to.throw( CKEditorError, /^view-renderer-filler-was-lost/ );
  847. } );
  848. it( 'should handle focusing element', () => {
  849. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  850. const editable = selection.editableElement;
  851. renderer.render();
  852. expect( editable ).to.equal( viewRoot );
  853. expect( domFocusSpy.calledOnce ).to.be.true;
  854. } );
  855. it( 'should not focus editable if isFocues is set to false', () => {
  856. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  857. renderer.isFocused = false;
  858. renderer.render();
  859. expect( domFocusSpy.calledOnce ).to.be.false;
  860. } );
  861. it( 'should not focus already focused DOM element', () => {
  862. domRoot.setAttribute( 'contentEditable', true );
  863. domRoot.focus();
  864. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  865. renderer.render();
  866. expect( domFocusSpy.called ).to.be.false;
  867. } );
  868. describe( 'fake selection', () => {
  869. beforeEach( () => {
  870. const { view: viewP, selection: newSelection } = parse(
  871. '<container:p>[foo bar]</container:p>'
  872. );
  873. viewRoot.appendChildren( viewP );
  874. selection.setTo( newSelection );
  875. renderer.markToSync( 'children', viewRoot );
  876. renderer.render();
  877. } );
  878. it( 'should render fake selection', () => {
  879. const label = 'fake selection label';
  880. selection.setFake( true, { label } );
  881. renderer.render();
  882. expect( domRoot.childNodes.length ).to.equal( 2 );
  883. const container = domRoot.childNodes[ 1 ];
  884. expect( domConverter.getCorrespondingViewElement( container ) ).to.be.undefined;
  885. expect( container.childNodes.length ).to.equal( 1 );
  886. const textNode = container.childNodes[ 0 ];
  887. expect( textNode.textContent ).to.equal( label );
  888. const domSelection = domRoot.ownerDocument.getSelection();
  889. expect( domSelection.anchorNode ).to.equal( textNode );
  890. expect( domSelection.anchorOffset ).to.equal( 0 );
  891. expect( domSelection.focusNode ).to.equal( textNode );
  892. expect( domSelection.focusOffset ).to.equal( label.length );
  893. } );
  894. it( 'should render &nbsp; if no selection label is provided', () => {
  895. selection.setFake( true );
  896. renderer.render();
  897. expect( domRoot.childNodes.length ).to.equal( 2 );
  898. const container = domRoot.childNodes[ 1 ];
  899. expect( container.childNodes.length ).to.equal( 1 );
  900. const textNode = container.childNodes[ 0 ];
  901. expect( textNode.textContent ).to.equal( '\u00A0' );
  902. const domSelection = domRoot.ownerDocument.getSelection();
  903. expect( domSelection.anchorNode ).to.equal( textNode );
  904. expect( domSelection.anchorOffset ).to.equal( 0 );
  905. expect( domSelection.focusNode ).to.equal( textNode );
  906. expect( domSelection.focusOffset ).to.equal( 1 );
  907. } );
  908. it( 'should remove fake selection container when selection is no longer fake', () => {
  909. selection.setFake( true );
  910. renderer.render();
  911. selection.setFake( false );
  912. renderer.render();
  913. expect( domRoot.childNodes.length ).to.equal( 1 );
  914. const domParagraph = domRoot.childNodes[ 0 ];
  915. expect( domParagraph.childNodes.length ).to.equal( 1 );
  916. const textNode = domParagraph.childNodes[ 0 ];
  917. expect( domParagraph.tagName.toLowerCase() ).to.equal( 'p' );
  918. const domSelection = domRoot.ownerDocument.getSelection();
  919. expect( domSelection.anchorNode ).to.equal( textNode );
  920. expect( domSelection.anchorOffset ).to.equal( 0 );
  921. expect( domSelection.focusNode ).to.equal( textNode );
  922. expect( domSelection.focusOffset ).to.equal( 7 );
  923. } );
  924. it( 'should reuse fake selection container #1', () => {
  925. const label = 'fake selection label';
  926. selection.setFake( true, { label } );
  927. renderer.render();
  928. expect( domRoot.childNodes.length ).to.equal( 2 );
  929. const container = domRoot.childNodes[ 1 ];
  930. selection.setFake( true, { label } );
  931. renderer.render();
  932. expect( domRoot.childNodes.length ).to.equal( 2 );
  933. const newContainer = domRoot.childNodes[ 1 ];
  934. expect( newContainer ).equals( container );
  935. expect( newContainer.childNodes.length ).to.equal( 1 );
  936. const textNode = newContainer.childNodes[ 0 ];
  937. expect( textNode.textContent ).to.equal( label );
  938. } );
  939. it( 'should reuse fake selection container #2', () => {
  940. selection.setFake( true, { label: 'label 1' } );
  941. renderer.render();
  942. expect( domRoot.childNodes.length ).to.equal( 2 );
  943. const container = domRoot.childNodes[ 1 ];
  944. selection.setFake( false );
  945. renderer.render();
  946. expect( domRoot.childNodes.length ).to.equal( 1 );
  947. selection.setFake( true, { label: 'label 2' } );
  948. renderer.render();
  949. expect( domRoot.childNodes.length ).to.equal( 2 );
  950. const newContainer = domRoot.childNodes[ 1 ];
  951. expect( newContainer ).equals( container );
  952. expect( newContainer.childNodes.length ).to.equal( 1 );
  953. const textNode = newContainer.childNodes[ 0 ];
  954. expect( textNode.textContent ).to.equal( 'label 2' );
  955. } );
  956. it( 'should reuse fake selection container #3', () => {
  957. selection.setFake( true, { label: 'label 1' } );
  958. renderer.render();
  959. expect( domRoot.childNodes.length ).to.equal( 2 );
  960. const container = domRoot.childNodes[ 1 ];
  961. selection.setFake( true, { label: 'label 2' } );
  962. renderer.render();
  963. expect( domRoot.childNodes.length ).to.equal( 2 );
  964. const newContainer = domRoot.childNodes[ 1 ];
  965. expect( newContainer ).equals( container );
  966. expect( newContainer.childNodes.length ).to.equal( 1 );
  967. const textNode = newContainer.childNodes[ 0 ];
  968. expect( textNode.textContent ).to.equal( 'label 2' );
  969. } );
  970. it( 'should style fake selection container properly', () => {
  971. selection.setFake( true, { label: 'fake selection' } );
  972. renderer.render();
  973. expect( domRoot.childNodes.length ).to.equal( 2 );
  974. const container = domRoot.childNodes[ 1 ];
  975. expect( container.style.position ).to.equal( 'fixed' );
  976. expect( container.style.top ).to.equal( '0px' );
  977. expect( container.style.left ).to.equal( '-9999px' );
  978. } );
  979. it( 'should bind fake selection container to view selection', () => {
  980. selection.setFake( true, { label: 'fake selection' } );
  981. renderer.render();
  982. expect( domRoot.childNodes.length ).to.equal( 2 );
  983. const container = domRoot.childNodes[ 1 ];
  984. const bindSelection = renderer.domConverter.fakeSelectionToView( container );
  985. expect( bindSelection ).to.be.defined;
  986. expect( bindSelection.isEqual( selection ) ).to.be.true;
  987. } );
  988. } );
  989. // #887
  990. describe( 'similar selection', () => {
  991. // Use spies to check selection updates. Some selection positions are not achievable in some
  992. // browsers (e.g. <p>Foo<b>{}Bar</b></p> in Chrome) so asserting dom selection after rendering would fail.
  993. let selectionCollapseSpy, selectionExtendSpy, logWarnStub;
  994. before( () => {
  995. logWarnStub = sinon.stub( log, 'warn' );
  996. } );
  997. afterEach( () => {
  998. if ( selectionCollapseSpy ) {
  999. selectionCollapseSpy.restore();
  1000. selectionCollapseSpy = null;
  1001. }
  1002. if ( selectionExtendSpy ) {
  1003. selectionExtendSpy.restore();
  1004. selectionExtendSpy = null;
  1005. }
  1006. logWarnStub.reset();
  1007. } );
  1008. after( () => {
  1009. logWarnStub.restore();
  1010. } );
  1011. it( 'should always render collapsed selection even if it is similar', () => {
  1012. const domSelection = document.getSelection();
  1013. const { view: viewP, selection: newSelection } = parse(
  1014. '<container:p>foo{}<attribute:b>bar</attribute:b></container:p>' );
  1015. viewRoot.appendChildren( viewP );
  1016. selection.setTo( newSelection );
  1017. renderer.markToSync( 'children', viewRoot );
  1018. renderer.render();
  1019. const domP = domRoot.childNodes[ 0 ];
  1020. const domB = domP.childNodes[ 1 ];
  1021. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1022. expect( domSelection.isCollapsed ).to.true;
  1023. expect( domSelection.rangeCount ).to.equal( 1 );
  1024. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1025. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  1026. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1027. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1028. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1029. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1030. // <container:p>foo<attribute:b>{}bar</attribute:b></container:p>
  1031. selection.setRanges( [ new ViewRange( new ViewPosition( viewB.getChild( 0 ), 0 ), new ViewPosition( viewB.getChild( 0 ), 0 ) ) ] );
  1032. renderer.markToSync( 'children', viewP );
  1033. renderer.render();
  1034. expect( selectionCollapseSpy.calledOnce ).to.true;
  1035. expect( selectionCollapseSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1036. expect( selectionExtendSpy.calledOnce ).to.true;
  1037. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1038. expect( logWarnStub.notCalled ).to.true;
  1039. } );
  1040. it( 'should always render collapsed selection even if it is similar (with empty element)', () => {
  1041. const domSelection = document.getSelection();
  1042. const { view: viewP, selection: newSelection } = parse(
  1043. '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  1044. viewRoot.appendChildren( viewP );
  1045. selection.setTo( newSelection );
  1046. renderer.markToSync( 'children', viewRoot );
  1047. renderer.render();
  1048. const domP = domRoot.childNodes[ 0 ];
  1049. const domB = domP.childNodes[ 1 ];
  1050. expect( domSelection.isCollapsed ).to.true;
  1051. expect( domSelection.rangeCount ).to.equal( 1 );
  1052. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1053. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  1054. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1055. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( INLINE_FILLER_LENGTH );
  1056. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1057. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1058. // <container:p>foo{}<attribute:b></attribute:b></container:p>
  1059. selection.setRanges( [ new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewP.getChild( 0 ), 3 ) ) ] );
  1060. renderer.markToSync( 'children', viewP );
  1061. renderer.render();
  1062. expect( selectionCollapseSpy.calledOnce ).to.true;
  1063. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1064. expect( selectionExtendSpy.calledOnce ).to.true;
  1065. expect( selectionExtendSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1066. expect( logWarnStub.notCalled ).to.true;
  1067. } );
  1068. it( 'should always render non-collapsed selection if it not is similar', () => {
  1069. const domSelection = document.getSelection();
  1070. const { view: viewP, selection: newSelection } = parse(
  1071. '<container:p>fo{o}<attribute:b>bar</attribute:b></container:p>' );
  1072. viewRoot.appendChildren( viewP );
  1073. selection.setTo( newSelection );
  1074. renderer.markToSync( 'children', viewRoot );
  1075. renderer.render();
  1076. const domP = domRoot.childNodes[ 0 ];
  1077. const domB = domP.childNodes[ 1 ];
  1078. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1079. expect( domSelection.isCollapsed ).to.false;
  1080. expect( domSelection.rangeCount ).to.equal( 1 );
  1081. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1082. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  1083. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1084. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1085. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1086. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1087. // <container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>
  1088. selection.setRanges( [ new ViewRange( new ViewPosition( viewP.getChild( 0 ), 2 ), new ViewPosition( viewB.getChild( 0 ), 1 ) ) ] );
  1089. renderer.markToSync( 'children', viewP );
  1090. renderer.render();
  1091. expect( selectionCollapseSpy.calledOnce ).to.true;
  1092. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 2 ) ).to.true;
  1093. expect( selectionExtendSpy.calledOnce ).to.true;
  1094. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 1 ) ).to.true;
  1095. expect( logWarnStub.notCalled ).to.true;
  1096. } );
  1097. it( 'should not render non-collapsed selection it is similar (element start)', () => {
  1098. const domSelection = document.getSelection();
  1099. const { view: viewP, selection: newSelection } = parse(
  1100. '<container:p>foo<attribute:b>{ba}r</attribute:b></container:p>' );
  1101. viewRoot.appendChildren( viewP );
  1102. selection.setTo( newSelection );
  1103. renderer.markToSync( 'children', viewRoot );
  1104. renderer.render();
  1105. const domP = domRoot.childNodes[ 0 ];
  1106. const domB = domP.childNodes[ 1 ];
  1107. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1108. expect( domSelection.isCollapsed ).to.false;
  1109. expect( domSelection.rangeCount ).to.equal( 1 );
  1110. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1111. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1112. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1113. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1114. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1115. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1116. // <container:p>foo{<attribute:b>ba}r</attribute:b></container:p>
  1117. selection.setRanges( [ new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewB.getChild( 0 ), 2 ) ) ] );
  1118. renderer.markToSync( 'children', viewP );
  1119. renderer.render();
  1120. expect( selectionCollapseSpy.notCalled ).to.true;
  1121. expect( selectionExtendSpy.notCalled ).to.true;
  1122. expect( logWarnStub.called ).to.true;
  1123. } );
  1124. it( 'should not render non-collapsed selection it is similar (element end)', () => {
  1125. const domSelection = document.getSelection();
  1126. const { view: viewP, selection: newSelection } = parse(
  1127. '<container:p>foo<attribute:b>b{ar}</attribute:b>baz</container:p>' );
  1128. viewRoot.appendChildren( viewP );
  1129. selection.setTo( newSelection );
  1130. renderer.markToSync( 'children', viewRoot );
  1131. renderer.render();
  1132. const domP = domRoot.childNodes[ 0 ];
  1133. const domB = domP.childNodes[ 1 ];
  1134. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1135. expect( domSelection.isCollapsed ).to.false;
  1136. expect( domSelection.rangeCount ).to.equal( 1 );
  1137. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1138. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1139. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1140. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1141. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1142. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1143. // <container:p>foo<attribute:b>b{ar</attribute:b>}baz</container:p>
  1144. selection.setRanges( [ new ViewRange( new ViewPosition( viewB.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) ) ] );
  1145. renderer.markToSync( 'children', viewP );
  1146. renderer.render();
  1147. expect( selectionCollapseSpy.notCalled ).to.true;
  1148. expect( selectionExtendSpy.notCalled ).to.true;
  1149. expect( logWarnStub.called ).to.true;
  1150. } );
  1151. it( 'should not render non-collapsed selection it is similar (element start - nested)', () => {
  1152. const domSelection = document.getSelection();
  1153. const { view: viewP, selection: newSelection } = parse(
  1154. '<container:p>foo<attribute:b><attribute:i>{ba}r</attribute:i></attribute:b></container:p>' );
  1155. viewRoot.appendChildren( viewP );
  1156. selection.setTo( newSelection );
  1157. renderer.markToSync( 'children', viewRoot );
  1158. renderer.render();
  1159. const domP = domRoot.childNodes[ 0 ];
  1160. const domB = domP.childNodes[ 1 ];
  1161. const viewI = viewRoot.getChild( 0 ).getChild( 1 ).getChild( 0 );
  1162. expect( domSelection.isCollapsed ).to.false;
  1163. expect( domSelection.rangeCount ).to.equal( 1 );
  1164. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1165. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1166. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1167. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1168. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1169. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1170. // <container:p>foo{<attribute:b><attribute:i>ba}r</attribute:i></attribute:b></container:p>
  1171. selection.setRanges( [ new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewI.getChild( 0 ), 2 ) ) ] );
  1172. renderer.markToSync( 'children', viewP );
  1173. renderer.render();
  1174. expect( selectionCollapseSpy.notCalled ).to.true;
  1175. expect( selectionExtendSpy.notCalled ).to.true;
  1176. expect( logWarnStub.called ).to.true;
  1177. } );
  1178. it( 'should not render non-collapsed selection it is similar (element end - nested)', () => {
  1179. const domSelection = document.getSelection();
  1180. const { view: viewP, selection: newSelection } = parse(
  1181. '<container:p>f{oo<attribute:b><attribute:i>bar}</attribute:i></attribute:b>baz</container:p>' );
  1182. viewRoot.appendChildren( viewP );
  1183. selection.setTo( newSelection );
  1184. renderer.markToSync( 'children', viewRoot );
  1185. renderer.render();
  1186. const domP = domRoot.childNodes[ 0 ];
  1187. const domB = domP.childNodes[ 1 ];
  1188. expect( domSelection.isCollapsed ).to.false;
  1189. expect( domSelection.rangeCount ).to.equal( 1 );
  1190. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1191. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1192. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1193. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1194. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1195. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1196. // <container:p>f{oo<attribute:b><attribute:i>bar</attribute:i></attribute:b>}baz</container:p>
  1197. selection.setRanges( [ new ViewRange( new ViewPosition( viewP.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) ) ] );
  1198. renderer.markToSync( 'children', viewP );
  1199. renderer.render();
  1200. expect( selectionCollapseSpy.notCalled ).to.true;
  1201. expect( selectionExtendSpy.notCalled ).to.true;
  1202. expect( logWarnStub.called ).to.true;
  1203. } );
  1204. } );
  1205. } );
  1206. } );
  1207. function renderAndExpectNoChanges( renderer, domRoot ) {
  1208. const config = {
  1209. childList: true,
  1210. characterData: true,
  1211. characterDataOldValue: true,
  1212. subtree: true
  1213. };
  1214. const mutationObserver = new window.MutationObserver( () => {
  1215. throw 'There should be not mutations';
  1216. } );
  1217. mutationObserver.observe( domRoot, config );
  1218. renderer.render();
  1219. const records = mutationObserver.takeRecords();
  1220. mutationObserver.disconnect();
  1221. expect( records.length ).to.equal( 0 );
  1222. }