renderer.js 41 KB

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  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals Range, document, window */
  6. /* bender-tags: view, browser-only */
  7. import ViewElement from '/ckeditor5/engine/view/element.js';
  8. import ViewText from '/ckeditor5/engine/view/text.js';
  9. import ViewRange from '/ckeditor5/engine/view/range.js';
  10. import Selection from '/ckeditor5/engine/view/selection.js';
  11. import DomConverter from '/ckeditor5/engine/view/domconverter.js';
  12. import Renderer from '/ckeditor5/engine/view/renderer.js';
  13. import CKEditorError from '/ckeditor5/utils/ckeditorerror.js';
  14. import { parse } from '/ckeditor5/engine/dev-utils/view.js';
  15. import { INLINE_FILLER, INLINE_FILLER_LENGTH, isBlockFiller, BR_FILLER } from '/ckeditor5/engine/view/filler.js';
  16. import testUtils from '/tests/core/_utils/utils.js';
  17. import createElement from '/ckeditor5/utils/dom/createelement.js';
  18. testUtils.createSinonSandbox();
  19. describe( 'Renderer', () => {
  20. let selection, domConverter, renderer;
  21. beforeEach( () => {
  22. selection = new Selection();
  23. domConverter = new DomConverter();
  24. renderer = new Renderer( domConverter, selection );
  25. renderer.domDocuments.add( document );
  26. } );
  27. describe( 'markToSync', () => {
  28. let viewRoot;
  29. beforeEach( () => {
  30. viewRoot = new ViewElement( 'p' );
  31. const domRoot = document.createElement( 'p' );
  32. domConverter.bindElements( domRoot, viewRoot );
  33. viewRoot.appendChildren( new ViewText( 'foo' ) );
  34. renderer.markedTexts.clear();
  35. renderer.markedAttributes.clear();
  36. renderer.markedChildren.clear();
  37. } );
  38. it( 'should mark attributes which need update', () => {
  39. viewRoot.setAttribute( 'class', 'foo' );
  40. renderer.markToSync( 'attributes', viewRoot );
  41. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  42. } );
  43. it( 'should mark children which need update', () => {
  44. viewRoot.appendChildren( new ViewText( 'foo' ) );
  45. renderer.markToSync( 'children', viewRoot );
  46. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  47. } );
  48. it( 'should not mark children if element has no corresponding node', () => {
  49. // Overwrite viewRoot with node without coresponding DOM node.
  50. viewRoot = new ViewElement( 'p' );
  51. viewRoot.appendChildren( new ViewText( 'foo' ) );
  52. renderer.markToSync( 'children', viewRoot );
  53. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  54. } );
  55. it( 'should mark text which need update', () => {
  56. const viewText = new ViewText( 'foo' );
  57. viewRoot.appendChildren( viewText );
  58. viewText.data = 'bar';
  59. renderer.markToSync( 'text', viewText );
  60. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  61. } );
  62. it( 'should not mark text if parent has no corresponding node', () => {
  63. const viewText = new ViewText( 'foo' );
  64. // Overwrite viewRoot with node without coresponding DOM node.
  65. viewRoot = new ViewElement( 'p' );
  66. viewRoot.appendChildren( viewText );
  67. viewText.data = 'bar';
  68. renderer.markToSync( 'text', viewText );
  69. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  70. } );
  71. it( 'should throw if the type is unknown', () => {
  72. expect( () => {
  73. renderer.markToSync( 'UNKNOWN', viewRoot );
  74. } ).to.throw( CKEditorError, /^view-renderer-unknown-type/ );
  75. } );
  76. } );
  77. describe( 'render', () => {
  78. let viewRoot, domRoot, selectionEditable;
  79. beforeEach( () => {
  80. viewRoot = new ViewElement( 'div' );
  81. domRoot = document.createElement( 'div' );
  82. document.body.appendChild( domRoot );
  83. domConverter.bindElements( domRoot, viewRoot );
  84. renderer.markedTexts.clear();
  85. renderer.markedAttributes.clear();
  86. renderer.markedChildren.clear();
  87. selection.removeAllRanges();
  88. selection.setFake( false );
  89. selectionEditable = viewRoot;
  90. renderer.isFocused = true;
  91. // Fake selection editable - it is needed to render selection properly.
  92. Object.defineProperty( selection, 'editableElement', {
  93. get: function() {
  94. return selectionEditable;
  95. }
  96. } );
  97. } );
  98. it( 'should update attributes', () => {
  99. viewRoot.setAttribute( 'class', 'foo' );
  100. renderer.markToSync( 'attributes', viewRoot );
  101. renderer.render();
  102. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  103. expect( renderer.markedAttributes.size ).to.equal( 0 );
  104. } );
  105. it( 'should remove attributes', () => {
  106. viewRoot.setAttribute( 'class', 'foo' );
  107. domRoot.setAttribute( 'id', 'bar' );
  108. domRoot.setAttribute( 'class', 'bar' );
  109. renderer.markToSync( 'attributes', viewRoot );
  110. renderer.render();
  111. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  112. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  113. expect( renderer.markedAttributes.size ).to.equal( 0 );
  114. } );
  115. it( 'should add children', () => {
  116. viewRoot.appendChildren( new ViewText( 'foo' ) );
  117. renderer.markToSync( 'children', viewRoot );
  118. renderer.render();
  119. expect( domRoot.childNodes.length ).to.equal( 1 );
  120. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  121. expect( renderer.markedChildren.size ).to.equal( 0 );
  122. } );
  123. it( 'should remove children', () => {
  124. viewRoot.appendChildren( new ViewText( 'foo' ) );
  125. renderer.markToSync( 'children', viewRoot );
  126. renderer.render();
  127. expect( domRoot.childNodes.length ).to.equal( 1 );
  128. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  129. viewRoot.removeChildren( 0, 1 );
  130. renderer.markToSync( 'children', viewRoot );
  131. renderer.render();
  132. expect( domRoot.childNodes.length ).to.equal( 0 );
  133. expect( renderer.markedChildren.size ).to.equal( 0 );
  134. } );
  135. it( 'should update text', () => {
  136. const viewText = new ViewText( 'foo' );
  137. viewRoot.appendChildren( viewText );
  138. renderer.markToSync( 'children', viewRoot );
  139. renderer.render();
  140. expect( domRoot.childNodes.length ).to.equal( 1 );
  141. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  142. viewText.data = 'bar';
  143. renderer.markToSync( 'text', viewText );
  144. renderer.render();
  145. expect( domRoot.childNodes.length ).to.equal( 1 );
  146. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  147. expect( renderer.markedTexts.size ).to.equal( 0 );
  148. } );
  149. it( 'should not update text parent child list changed', () => {
  150. const viewImg = new ViewElement( 'img' );
  151. const viewText = new ViewText( 'foo' );
  152. viewRoot.appendChildren( [ viewImg, viewText ] );
  153. renderer.markToSync( 'children', viewRoot );
  154. renderer.markToSync( 'text', viewText );
  155. renderer.render();
  156. expect( domRoot.childNodes.length ).to.equal( 2 );
  157. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  158. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  159. } );
  160. it( 'should not change text if it is the same during text rendering', () => {
  161. const viewText = new ViewText( 'foo' );
  162. viewRoot.appendChildren( viewText );
  163. renderer.markToSync( 'children', viewRoot );
  164. renderer.render();
  165. // This should not be changed during the render.
  166. const domText = domRoot.childNodes[ 0 ];
  167. renderer.markToSync( 'text', viewText );
  168. renderer.render();
  169. expect( domRoot.childNodes.length ).to.equal( 1 );
  170. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  171. } );
  172. it( 'should not change text if it is the same during children rendering', () => {
  173. const viewText = new ViewText( 'foo' );
  174. viewRoot.appendChildren( viewText );
  175. renderer.markToSync( 'children', viewRoot );
  176. renderer.render();
  177. // This should not be changed during the render.
  178. const domText = domRoot.childNodes[ 0 ];
  179. renderer.markToSync( 'children', viewRoot );
  180. renderer.render();
  181. expect( domRoot.childNodes.length ).to.equal( 1 );
  182. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  183. } );
  184. it( 'should not change element if it is the same', () => {
  185. const viewImg = new ViewElement( 'img' );
  186. viewRoot.appendChildren( viewImg );
  187. // This should not be changed during the render.
  188. const domImg = document.createElement( 'img' );
  189. domRoot.appendChild( domImg );
  190. domConverter.bindElements( domImg, viewImg );
  191. renderer.markToSync( 'children', viewRoot );
  192. renderer.render();
  193. expect( domRoot.childNodes.length ).to.equal( 1 );
  194. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  195. } );
  196. it( 'should change element if it is different', () => {
  197. const viewImg = new ViewElement( 'img' );
  198. viewRoot.appendChildren( viewImg );
  199. renderer.markToSync( 'children', viewRoot );
  200. renderer.render();
  201. const viewP = new ViewElement( 'p' );
  202. viewRoot.removeChildren( 0, 1 );
  203. viewRoot.appendChildren( viewP );
  204. renderer.markToSync( 'children', viewRoot );
  205. renderer.render();
  206. expect( domRoot.childNodes.length ).to.equal( 1 );
  207. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  208. } );
  209. it( 'should not care about filler if there is no DOM', () => {
  210. selectionEditable = null;
  211. const { view: viewP, selection: newSelection } = parse(
  212. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  213. const viewRoot = new ViewElement( 'p' );
  214. viewRoot.appendChildren( viewP );
  215. selection.setTo( newSelection );
  216. renderer.markToSync( 'children', viewRoot );
  217. renderer.render();
  218. // Expect no error on render.
  219. expect( viewRoot ).to.be.ok;
  220. } );
  221. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  222. const domSelection = document.getSelection();
  223. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  224. const { view: viewP, selection: newSelection } = parse(
  225. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  226. viewRoot.appendChildren( viewP );
  227. selection.setTo( newSelection );
  228. renderer.markToSync( 'children', viewRoot );
  229. renderer.render();
  230. expect( domRoot.childNodes.length ).to.equal( 1 );
  231. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  232. const domP = domRoot.childNodes[ 0 ];
  233. expect( domP.childNodes.length ).to.equal( 3 );
  234. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  235. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  236. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  237. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  238. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  239. expect( domSelection.rangeCount ).to.equal( 1 );
  240. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  241. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  242. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  243. // Step 2: No mutation on second render
  244. renderer.markToSync( 'children', viewRoot );
  245. renderer.markToSync( 'children', viewP );
  246. renderAndExpectNoChanges( renderer, domRoot );
  247. // Step 3: <p>foo{}<b></b></p>
  248. selection.removeAllRanges();
  249. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  250. renderer.render();
  251. expect( domP.childNodes.length ).to.equal( 3 );
  252. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  253. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  254. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  255. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  256. expect( domSelection.rangeCount ).to.equal( 1 );
  257. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  258. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  259. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  260. // Step 4: No mutation on second render
  261. renderer.markToSync( 'children', viewRoot );
  262. renderer.markToSync( 'children', viewP );
  263. renderAndExpectNoChanges( renderer, domRoot );
  264. } );
  265. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  266. const domSelection = document.getSelection();
  267. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  268. const { view: viewP, selection: newSelection } = parse(
  269. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  270. viewRoot.appendChildren( viewP );
  271. selection.setTo( newSelection );
  272. renderer.markToSync( 'children', viewRoot );
  273. renderer.render();
  274. const domP = domRoot.childNodes[ 0 ];
  275. expect( domP.childNodes.length ).to.equal( 2 );
  276. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  277. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  278. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  279. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  280. expect( domSelection.rangeCount ).to.equal( 1 );
  281. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  282. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  283. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  284. // Step 2: No mutation on second render
  285. renderer.markToSync( 'children', viewP );
  286. renderAndExpectNoChanges( renderer, domRoot );
  287. // Step 3: <p><b>{}foo</b></p>
  288. selection.removeAllRanges();
  289. selection.addRange( ViewRange.createFromParentsAndOffsets(
  290. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  291. renderer.render();
  292. expect( domP.childNodes.length ).to.equal( 1 );
  293. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  294. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  295. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  296. expect( domSelection.rangeCount ).to.equal( 1 );
  297. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  298. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  299. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  300. // Step 4: No mutation on second render
  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 ].tagName.toLowerCase() ).to.equal( 'b' );
  316. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  317. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  318. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  319. expect( domSelection.rangeCount ).to.equal( 1 );
  320. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  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 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  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( 3 );
  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>[]<b>bar</b></p>', () => {
  344. const domSelection = document.getSelection();
  345. const { view: viewP, selection: newSelection } = parse(
  346. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  347. viewRoot.appendChildren( viewP );
  348. selection.setTo( newSelection );
  349. renderer.markToSync( 'children', viewRoot );
  350. renderer.render();
  351. const domP = domRoot.childNodes[ 0 ];
  352. expect( domP.childNodes.length ).to.equal( 3 );
  353. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  354. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  355. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  356. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  357. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  358. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  359. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  360. expect( domSelection.rangeCount ).to.equal( 1 );
  361. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  362. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  363. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  364. } );
  365. it( 'should move filler when selection is moved', () => {
  366. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  367. const { view: viewP, selection: newSelection } = parse(
  368. '<container:p>foo<attribute:b>[]</attribute:b><attribute:i></attribute:i></container:p>' );
  369. viewRoot.appendChildren( viewP );
  370. selection.setTo( newSelection );
  371. renderer.markToSync( 'children', viewRoot );
  372. renderer.render();
  373. const domP = domRoot.childNodes[ 0 ];
  374. expect( domP.childNodes.length ).to.equal( 3 );
  375. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  376. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  377. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  378. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  379. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  380. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 0 );
  381. // Step 2: <p>foo<b></b><i>"FILLER{}"</i></p>
  382. selection.removeAllRanges();
  383. const viewI = viewP.getChild( 2 );
  384. selection.addRange( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  385. renderer.render();
  386. expect( domP.childNodes.length ).to.equal( 3 );
  387. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  388. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  389. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  390. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  391. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  392. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  393. } );
  394. it( 'should remove filler when text is added and selection removed', () => {
  395. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  396. const { view: viewP, selection: newSelection } = parse( '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  397. const viewB = viewP.getChild( 1 );
  398. viewRoot.appendChildren( viewP );
  399. selection.setTo( newSelection );
  400. renderer.markToSync( 'children', viewRoot );
  401. renderer.render();
  402. const domP = domRoot.childNodes[ 0 ];
  403. expect( domP.childNodes.length ).to.equal( 2 );
  404. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  405. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  406. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  407. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  408. // Step 2: Add text node.
  409. const viewText = new ViewText( 'x' );
  410. viewB.appendChildren( viewText );
  411. selection.removeAllRanges();
  412. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  413. renderer.markToSync( 'children', viewB );
  414. renderer.render();
  415. // Step 3: Remove selection from the view.
  416. selection.removeAllRanges();
  417. renderer.render();
  418. expect( domP.childNodes.length ).to.equal( 2 );
  419. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  420. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  421. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  422. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'x' );
  423. } );
  424. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  425. const domSelection = document.getSelection();
  426. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  427. viewRoot.appendChildren( viewP );
  428. selection.setTo( newSelection );
  429. renderer.markToSync( 'children', viewRoot );
  430. renderer.render();
  431. const domP = domRoot.childNodes[ 0 ];
  432. expect( domP.childNodes.length ).to.equal( 1 );
  433. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  434. expect( domSelection.rangeCount ).to.equal( 1 );
  435. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  436. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  437. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  438. // Remove filler and add text node to both DOM and View <p>x{}</p>
  439. domP.removeChild( domP.childNodes[ 0 ] );
  440. domP.appendChild( document.createTextNode( 'x' ) );
  441. domSelection.removeAllRanges();
  442. const domRange = new Range();
  443. domRange.setStart( domP.childNodes[ 0 ], 1 );
  444. domRange.collapse( true );
  445. domSelection.addRange( domRange );
  446. const viewText = new ViewText( 'x' );
  447. viewP.appendChildren( viewText );
  448. selection.removeAllRanges();
  449. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  450. renderer.markToSync( 'children', viewP );
  451. renderAndExpectNoChanges( renderer, domRoot );
  452. } );
  453. it( 'should handle typing in empty block, render if needed', () => {
  454. const domSelection = document.getSelection();
  455. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  456. viewRoot.appendChildren( viewP );
  457. selection.setTo( newSelection );
  458. renderer.markToSync( 'children', viewRoot );
  459. renderer.render();
  460. const domP = domRoot.childNodes[ 0 ];
  461. expect( domP.childNodes.length ).to.equal( 1 );
  462. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  463. expect( domSelection.rangeCount ).to.equal( 1 );
  464. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  465. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  466. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  467. // Add text node only in View <p>x{}</p>
  468. const viewText = new ViewText( 'x' );
  469. viewP.appendChildren( viewText );
  470. selection.removeAllRanges();
  471. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  472. renderer.markToSync( 'children', viewP );
  473. renderer.render();
  474. expect( domP.childNodes.length ).to.equal( 1 );
  475. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  476. expect( domSelection.rangeCount ).to.equal( 1 );
  477. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  478. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  479. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  480. } );
  481. it( 'should handle removing last character', () => {
  482. const domSelection = document.getSelection();
  483. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  484. viewRoot.appendChildren( viewP );
  485. selection.setTo( newSelection );
  486. renderer.markToSync( 'children', viewRoot );
  487. renderer.render();
  488. const domP = domRoot.childNodes[ 0 ];
  489. expect( domP.childNodes.length ).to.equal( 1 );
  490. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  491. expect( domSelection.rangeCount ).to.equal( 1 );
  492. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  493. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  494. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  495. // Remove text and add filler to both DOM and View <p>{}</p>
  496. domP.removeChild( domP.childNodes[ 0 ] );
  497. domP.appendChild( BR_FILLER( document ) );
  498. domSelection.removeAllRanges();
  499. const domRange = new Range();
  500. domRange.setStart( domP.childNodes[ 0 ], 0 );
  501. domRange.collapse( true );
  502. domSelection.addRange( domRange );
  503. viewP.removeChildren( 0 );
  504. selection.removeAllRanges();
  505. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  506. renderer.markToSync( 'children', viewP );
  507. renderAndExpectNoChanges( renderer, domRoot );
  508. } );
  509. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  510. const domSelection = document.getSelection();
  511. const { view: viewP, selection: newSelection } = parse(
  512. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  513. viewRoot.appendChildren( viewP );
  514. selection.setTo( newSelection );
  515. renderer.markToSync( 'children', viewRoot );
  516. renderer.render();
  517. const domP = domRoot.childNodes[ 0 ];
  518. expect( domP.childNodes.length ).to.equal( 2 );
  519. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  520. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  521. const domB = domP.childNodes[ 0 ];
  522. const viewB = viewP.getChild( 0 );
  523. expect( domB.childNodes.length ).to.equal( 1 );
  524. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  525. expect( domSelection.rangeCount ).to.equal( 1 );
  526. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  527. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  528. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  529. // Add text node to both DOM and View <p><b>x</b>foo</p>
  530. domB.childNodes[ 0 ].data += 'x';
  531. domSelection.removeAllRanges();
  532. const domRange = new Range();
  533. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  534. domRange.collapse( true );
  535. domSelection.addRange( domRange );
  536. const viewText = new ViewText( 'x' );
  537. viewB.appendChildren( viewText );
  538. selection.removeAllRanges();
  539. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  540. renderer.markToSync( 'children', viewP );
  541. renderAndExpectNoChanges( renderer, domRoot );
  542. } );
  543. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  544. const domSelection = document.getSelection();
  545. const { view: viewP, selection: newSelection } = parse(
  546. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  547. viewRoot.appendChildren( viewP );
  548. selection.setTo( newSelection );
  549. renderer.markToSync( 'children', viewRoot );
  550. renderer.render();
  551. const domP = domRoot.childNodes[ 0 ];
  552. expect( domP.childNodes.length ).to.equal( 2 );
  553. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  554. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  555. const domB = domP.childNodes[ 0 ];
  556. const viewB = viewP.getChild( 0 );
  557. expect( domB.childNodes.length ).to.equal( 1 );
  558. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  559. expect( domSelection.rangeCount ).to.equal( 1 );
  560. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  561. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  562. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  563. // Add text node only to View <p><b>x</b>foo</p>
  564. const viewText = new ViewText( 'x' );
  565. viewB.appendChildren( viewText );
  566. selection.removeAllRanges();
  567. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  568. renderer.markToSync( 'children', viewB );
  569. renderer.render();
  570. expect( domB.childNodes.length ).to.equal( 1 );
  571. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  572. expect( domSelection.rangeCount ).to.equal( 1 );
  573. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  574. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  575. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  576. } );
  577. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  578. const domSelection = document.getSelection();
  579. const { view: viewP, selection: newSelection } = parse(
  580. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  581. viewRoot.appendChildren( viewP );
  582. selection.setTo( newSelection );
  583. renderer.markToSync( 'children', viewRoot );
  584. renderer.render();
  585. const domP = domRoot.childNodes[ 0 ];
  586. expect( domP.childNodes.length ).to.equal( 2 );
  587. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  588. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  589. const domB = domP.childNodes[ 0 ];
  590. const viewB = viewP.getChild( 0 );
  591. expect( domB.childNodes.length ).to.equal( 1 );
  592. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  593. expect( domSelection.rangeCount ).to.equal( 1 );
  594. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  595. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  596. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  597. // Add text node only to View <p><b>x</b>foo</p>
  598. const viewText = new ViewText( 'x' );
  599. viewB.appendChildren( viewText );
  600. selection.removeAllRanges();
  601. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  602. renderer.markToSync( 'text', viewText );
  603. renderer.render();
  604. expect( domB.childNodes.length ).to.equal( 1 );
  605. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  606. expect( domSelection.rangeCount ).to.equal( 1 );
  607. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  608. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  609. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  610. } );
  611. it( 'should handle not collapsed range', () => {
  612. const domSelection = document.getSelection();
  613. const { view: viewP, selection: newSelection } = parse(
  614. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  615. viewRoot.appendChildren( viewP );
  616. selection.setTo( newSelection );
  617. renderer.markToSync( 'children', viewRoot );
  618. renderer.render();
  619. const domP = domRoot.childNodes[ 0 ];
  620. expect( domP.childNodes.length ).to.equal( 2 );
  621. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  622. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  623. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  624. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  625. expect( domSelection.rangeCount ).to.equal( 1 );
  626. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  627. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  628. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  629. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  630. renderer.markToSync( 'children', viewP );
  631. renderAndExpectNoChanges( renderer, domRoot );
  632. } );
  633. it( 'should not change selection if there is no editable with selection', () => {
  634. const domDiv = createElement( document, 'div', null, 'not editable' );
  635. document.body.appendChild( domDiv );
  636. const domSelection = document.getSelection();
  637. domSelection.removeAllRanges();
  638. const domRange = new Range();
  639. domRange.setStart( domDiv, 0 );
  640. domRange.collapse( true );
  641. domSelection.addRange( domRange );
  642. selectionEditable = null;
  643. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  644. viewRoot.appendChildren( viewP );
  645. selection.setTo( newSelection );
  646. renderer.render();
  647. expect( domSelection.rangeCount ).to.equal( 1 );
  648. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  649. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  650. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  651. } );
  652. it( 'should not change selection if there is no focus', () => {
  653. const domDiv = createElement( document, 'div', null, 'not editable' );
  654. document.body.appendChild( domDiv );
  655. const domSelection = document.getSelection();
  656. domSelection.removeAllRanges();
  657. const domRange = new Range();
  658. domRange.setStart( domDiv, 0 );
  659. domRange.collapse( true );
  660. domSelection.addRange( domRange );
  661. renderer.isFocused = false;
  662. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  663. viewRoot.appendChildren( viewP );
  664. selection.setTo( newSelection );
  665. renderer.render();
  666. expect( domSelection.rangeCount ).to.equal( 1 );
  667. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  668. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  669. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  670. } );
  671. it( 'should not add inline filler after text node', () => {
  672. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  673. viewRoot.appendChildren( viewP );
  674. selection.setTo( newSelection );
  675. renderer.markToSync( 'children', viewRoot );
  676. renderer.render();
  677. const domP = domRoot.childNodes[ 0 ];
  678. expect( domP.innerHTML.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  679. } );
  680. it( 'should throw if there is no filler in expected position', () => {
  681. const { view: viewP, selection: newSelection } = parse(
  682. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  683. viewRoot.appendChildren( viewP );
  684. selection.setTo( newSelection );
  685. renderer.markToSync( 'children', viewRoot );
  686. renderer.render();
  687. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  688. const viewB = viewP.getChild( 1 );
  689. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  690. // Remove filler.
  691. domB.childNodes[ 0 ].data = '';
  692. selection.removeAllRanges();
  693. renderer.markToSync( 'children', viewB );
  694. expect( () => {
  695. renderer.render();
  696. } ).to.throw();
  697. } );
  698. it( 'should handle focusing element', () => {
  699. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  700. const editable = selection.editableElement;
  701. renderer.render();
  702. expect( editable ).to.equal( viewRoot );
  703. expect( domFocusSpy.calledOnce ).to.be.true;
  704. } );
  705. it( 'should not focus editable if isFocues is set to false', () => {
  706. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  707. renderer.isFocused = false;
  708. renderer.render();
  709. expect( domFocusSpy.calledOnce ).to.be.false;
  710. } );
  711. it( 'should not focus already focused DOM element', () => {
  712. domRoot.setAttribute( 'contentEditable', true );
  713. domRoot.focus();
  714. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  715. renderer.render();
  716. expect( domFocusSpy.called ).to.be.false;
  717. } );
  718. describe( 'fake selection', () => {
  719. beforeEach( () => {
  720. const { view: viewP, selection: newSelection } = parse(
  721. '<container:p>[foo bar]</container:p>'
  722. );
  723. viewRoot.appendChildren( viewP );
  724. selection.setTo( newSelection );
  725. renderer.markToSync( 'children', viewRoot );
  726. renderer.render();
  727. } );
  728. it( 'should render fake selection', () => {
  729. const label = 'fake selection label';
  730. selection.setFake( true, { label } );
  731. renderer.render();
  732. expect( domRoot.childNodes.length ).to.equal( 2 );
  733. const container = domRoot.childNodes[ 1 ];
  734. expect( domConverter.getCorrespondingViewElement( container ) ).to.be.undefined;
  735. expect( container.childNodes.length ).to.equal( 1 );
  736. const textNode = container.childNodes[ 0 ];
  737. expect( textNode.textContent ).to.equal( label );
  738. const domSelection = domRoot.ownerDocument.getSelection();
  739. expect( domSelection.anchorNode ).to.equal( textNode );
  740. expect( domSelection.anchorOffset ).to.equal( 0 );
  741. expect( domSelection.focusNode ).to.equal( textNode );
  742. expect( domSelection.focusOffset ).to.equal( label.length );
  743. } );
  744. it( 'should render &nbsp; if no selection label is provided', () => {
  745. selection.setFake( true );
  746. renderer.render();
  747. expect( domRoot.childNodes.length ).to.equal( 2 );
  748. const container = domRoot.childNodes[ 1 ];
  749. expect( container.childNodes.length ).to.equal( 1 );
  750. const textNode = container.childNodes[ 0 ];
  751. expect( textNode.textContent ).to.equal( '\u00A0' );
  752. const domSelection = domRoot.ownerDocument.getSelection();
  753. expect( domSelection.anchorNode ).to.equal( textNode );
  754. expect( domSelection.anchorOffset ).to.equal( 0 );
  755. expect( domSelection.focusNode ).to.equal( textNode );
  756. expect( domSelection.focusOffset ).to.equal( 1 );
  757. } );
  758. it( 'should remove fake selection container when selection is no longer fake', () => {
  759. selection.setFake( true );
  760. renderer.render();
  761. selection.setFake( false );
  762. renderer.render();
  763. expect( domRoot.childNodes.length ).to.equal( 1 );
  764. const domParagraph = domRoot.childNodes[ 0 ];
  765. expect( domParagraph.childNodes.length ).to.equal( 1 );
  766. const textNode = domParagraph.childNodes[ 0 ];
  767. expect( domParagraph.tagName.toLowerCase() ).to.equal( 'p' );
  768. const domSelection = domRoot.ownerDocument.getSelection();
  769. expect( domSelection.anchorNode ).to.equal( textNode );
  770. expect( domSelection.anchorOffset ).to.equal( 0 );
  771. expect( domSelection.focusNode ).to.equal( textNode );
  772. expect( domSelection.focusOffset ).to.equal( 7 );
  773. } );
  774. it( 'should reuse fake selection container #1', () => {
  775. const label = 'fake selection label';
  776. selection.setFake( true, { label } );
  777. renderer.render();
  778. expect( domRoot.childNodes.length ).to.equal( 2 );
  779. const container = domRoot.childNodes[ 1 ];
  780. selection.setFake( true, { label } );
  781. renderer.render();
  782. expect( domRoot.childNodes.length ).to.equal( 2 );
  783. const newContainer = domRoot.childNodes[ 1 ];
  784. expect( newContainer ).equals( container );
  785. expect( newContainer.childNodes.length ).to.equal( 1 );
  786. const textNode = newContainer.childNodes[ 0 ];
  787. expect( textNode.textContent ).to.equal( label );
  788. } );
  789. it( 'should reuse fake selection container #2', () => {
  790. selection.setFake( true, { label: 'label 1' } );
  791. renderer.render();
  792. expect( domRoot.childNodes.length ).to.equal( 2 );
  793. const container = domRoot.childNodes[ 1 ];
  794. selection.setFake( false );
  795. renderer.render();
  796. expect( domRoot.childNodes.length ).to.equal( 1 );
  797. selection.setFake( true, { label: 'label 2' } );
  798. renderer.render();
  799. expect( domRoot.childNodes.length ).to.equal( 2 );
  800. const newContainer = domRoot.childNodes[ 1 ];
  801. expect( newContainer ).equals( container );
  802. expect( newContainer.childNodes.length ).to.equal( 1 );
  803. const textNode = newContainer.childNodes[ 0 ];
  804. expect( textNode.textContent ).to.equal( 'label 2' );
  805. } );
  806. it( 'should reuse fake selection container #3', () => {
  807. selection.setFake( true, { label: 'label 1' } );
  808. renderer.render();
  809. expect( domRoot.childNodes.length ).to.equal( 2 );
  810. const container = domRoot.childNodes[ 1 ];
  811. selection.setFake( true, { label: 'label 2' } );
  812. renderer.render();
  813. expect( domRoot.childNodes.length ).to.equal( 2 );
  814. const newContainer = domRoot.childNodes[ 1 ];
  815. expect( newContainer ).equals( container );
  816. expect( newContainer.childNodes.length ).to.equal( 1 );
  817. const textNode = newContainer.childNodes[ 0 ];
  818. expect( textNode.textContent ).to.equal( 'label 2' );
  819. } );
  820. it( 'should style fake selection container properly', () => {
  821. selection.setFake( true, { label: 'fake selection' } );
  822. renderer.render();
  823. expect( domRoot.childNodes.length ).to.equal( 2 );
  824. const container = domRoot.childNodes[ 1 ];
  825. expect( container.style.position ).to.equal( 'fixed' );
  826. expect( container.style.top ).to.equal( '0px' );
  827. expect( container.style.left ).to.equal( '-9999px' );
  828. } );
  829. it( 'should bind fake selection container to view selection', () => {
  830. selection.setFake( true, { label: 'fake selection' } );
  831. renderer.render();
  832. expect( domRoot.childNodes.length ).to.equal( 2 );
  833. const container = domRoot.childNodes[ 1 ];
  834. const bindSelection = renderer.domConverter.fakeSelectionToView( container );
  835. expect( bindSelection ).to.be.defined;
  836. expect( bindSelection.isEqual( selection ) ).to.be.true;
  837. } );
  838. } );
  839. } );
  840. } );
  841. function renderAndExpectNoChanges( renderer, domRoot ) {
  842. const config = {
  843. childList: true,
  844. characterData: true,
  845. characterDataOldValue: true,
  846. subtree: true
  847. };
  848. const mutationObserver = new window.MutationObserver( () => {
  849. throw 'There should be not mutations';
  850. } );
  851. mutationObserver.observe( domRoot, config );
  852. renderer.render();
  853. const records = mutationObserver.takeRecords();
  854. mutationObserver.disconnect();
  855. expect( records.length ).to.equal( 0 );
  856. }