renderer.js 36 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 '/tests/engine/_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. selectionEditable = viewRoot;
  89. renderer.isFocused = true;
  90. // Fake selection editable - it is needed to render selection properly.
  91. Object.defineProperty( selection, 'editableElement', {
  92. get: function() {
  93. return selectionEditable;
  94. }
  95. } );
  96. } );
  97. it( 'should update attributes', () => {
  98. viewRoot.setAttribute( 'class', 'foo' );
  99. renderer.markToSync( 'attributes', viewRoot );
  100. renderer.render();
  101. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  102. expect( renderer.markedAttributes.size ).to.equal( 0 );
  103. } );
  104. it( 'should remove attributes', () => {
  105. viewRoot.setAttribute( 'class', 'foo' );
  106. domRoot.setAttribute( 'id', 'bar' );
  107. domRoot.setAttribute( 'class', 'bar' );
  108. renderer.markToSync( 'attributes', viewRoot );
  109. renderer.render();
  110. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  111. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  112. expect( renderer.markedAttributes.size ).to.equal( 0 );
  113. } );
  114. it( 'should add children', () => {
  115. viewRoot.appendChildren( new ViewText( 'foo' ) );
  116. renderer.markToSync( 'children', viewRoot );
  117. renderer.render();
  118. expect( domRoot.childNodes.length ).to.equal( 1 );
  119. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  120. expect( renderer.markedChildren.size ).to.equal( 0 );
  121. } );
  122. it( 'should remove children', () => {
  123. viewRoot.appendChildren( new ViewText( 'foo' ) );
  124. renderer.markToSync( 'children', viewRoot );
  125. renderer.render();
  126. expect( domRoot.childNodes.length ).to.equal( 1 );
  127. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  128. viewRoot.removeChildren( 0, 1 );
  129. renderer.markToSync( 'children', viewRoot );
  130. renderer.render();
  131. expect( domRoot.childNodes.length ).to.equal( 0 );
  132. expect( renderer.markedChildren.size ).to.equal( 0 );
  133. } );
  134. it( 'should update text', () => {
  135. const viewText = new ViewText( 'foo' );
  136. viewRoot.appendChildren( viewText );
  137. renderer.markToSync( 'children', viewRoot );
  138. renderer.render();
  139. expect( domRoot.childNodes.length ).to.equal( 1 );
  140. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  141. viewText.data = 'bar';
  142. renderer.markToSync( 'text', viewText );
  143. renderer.render();
  144. expect( domRoot.childNodes.length ).to.equal( 1 );
  145. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  146. expect( renderer.markedTexts.size ).to.equal( 0 );
  147. } );
  148. it( 'should not update text parent child list changed', () => {
  149. const viewImg = new ViewElement( 'img' );
  150. const viewText = new ViewText( 'foo' );
  151. viewRoot.appendChildren( [ viewImg, viewText ] );
  152. renderer.markToSync( 'children', viewRoot );
  153. renderer.markToSync( 'text', viewText );
  154. renderer.render();
  155. expect( domRoot.childNodes.length ).to.equal( 2 );
  156. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  157. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  158. } );
  159. it( 'should not change text if it is the same during text rendering', () => {
  160. const viewText = new ViewText( 'foo' );
  161. viewRoot.appendChildren( viewText );
  162. renderer.markToSync( 'children', viewRoot );
  163. renderer.render();
  164. // This should not be changed during the render.
  165. const domText = domRoot.childNodes[ 0 ];
  166. renderer.markToSync( 'text', viewText );
  167. renderer.render();
  168. expect( domRoot.childNodes.length ).to.equal( 1 );
  169. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  170. } );
  171. it( 'should not change text if it is the same during children rendering', () => {
  172. const viewText = new ViewText( 'foo' );
  173. viewRoot.appendChildren( viewText );
  174. renderer.markToSync( 'children', viewRoot );
  175. renderer.render();
  176. // This should not be changed during the render.
  177. const domText = domRoot.childNodes[ 0 ];
  178. renderer.markToSync( 'children', viewRoot );
  179. renderer.render();
  180. expect( domRoot.childNodes.length ).to.equal( 1 );
  181. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  182. } );
  183. it( 'should not change element if it is the same', () => {
  184. const viewImg = new ViewElement( 'img' );
  185. viewRoot.appendChildren( viewImg );
  186. // This should not be changed during the render.
  187. const domImg = document.createElement( 'img' );
  188. domRoot.appendChild( domImg );
  189. domConverter.bindElements( domImg, viewImg );
  190. renderer.markToSync( 'children', viewRoot );
  191. renderer.render();
  192. expect( domRoot.childNodes.length ).to.equal( 1 );
  193. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  194. } );
  195. it( 'should change element if it is different', () => {
  196. const viewImg = new ViewElement( 'img' );
  197. viewRoot.appendChildren( viewImg );
  198. renderer.markToSync( 'children', viewRoot );
  199. renderer.render();
  200. const viewP = new ViewElement( 'p' );
  201. viewRoot.removeChildren( 0, 1 );
  202. viewRoot.appendChildren( viewP );
  203. renderer.markToSync( 'children', viewRoot );
  204. renderer.render();
  205. expect( domRoot.childNodes.length ).to.equal( 1 );
  206. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  207. } );
  208. it( 'should not care about filler if there is no DOM', () => {
  209. const { view: viewP, selection: newSelection } = parse(
  210. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  211. const viewRoot = new ViewElement( 'p' );
  212. viewRoot.appendChildren( viewP );
  213. selection.setTo( newSelection );
  214. renderer.markToSync( 'children', viewRoot );
  215. renderer.render();
  216. // Expect no error on render.
  217. expect( viewRoot ).to.be.ok;
  218. } );
  219. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  220. const domSelection = document.getSelection();
  221. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  222. const { view: viewP, selection: newSelection } = parse(
  223. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  224. viewRoot.appendChildren( viewP );
  225. selection.setTo( newSelection );
  226. renderer.markToSync( 'children', viewRoot );
  227. renderer.render();
  228. expect( domRoot.childNodes.length ).to.equal( 1 );
  229. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  230. const domP = domRoot.childNodes[ 0 ];
  231. expect( domP.childNodes.length ).to.equal( 3 );
  232. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  233. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  234. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  235. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  236. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  237. expect( domSelection.rangeCount ).to.equal( 1 );
  238. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  239. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  240. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  241. // Step 2: No mutation on second render
  242. renderer.markToSync( 'children', viewRoot );
  243. renderer.markToSync( 'children', viewP );
  244. renderAndExpectNoChanges( renderer, domRoot );
  245. // Step 3: <p>foo{}<b></b></p>
  246. selection.removeAllRanges();
  247. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  248. renderer.render();
  249. expect( domP.childNodes.length ).to.equal( 3 );
  250. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  251. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  252. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  253. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  254. expect( domSelection.rangeCount ).to.equal( 1 );
  255. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  256. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  257. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  258. // Step 4: No mutation on second render
  259. renderer.markToSync( 'children', viewRoot );
  260. renderer.markToSync( 'children', viewP );
  261. renderAndExpectNoChanges( renderer, domRoot );
  262. } );
  263. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  264. const domSelection = document.getSelection();
  265. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  266. const { view: viewP, selection: newSelection } = parse(
  267. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  268. viewRoot.appendChildren( viewP );
  269. selection.setTo( newSelection );
  270. renderer.markToSync( 'children', viewRoot );
  271. renderer.render();
  272. const domP = domRoot.childNodes[ 0 ];
  273. expect( domP.childNodes.length ).to.equal( 2 );
  274. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  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( 'foo' );
  278. expect( domSelection.rangeCount ).to.equal( 1 );
  279. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.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', viewP );
  284. renderAndExpectNoChanges( renderer, domRoot );
  285. // Step 3: <p><b>{}foo</b></p>
  286. selection.removeAllRanges();
  287. selection.addRange( ViewRange.createFromParentsAndOffsets(
  288. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  289. renderer.render();
  290. expect( domP.childNodes.length ).to.equal( 1 );
  291. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  292. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  293. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  294. expect( domSelection.rangeCount ).to.equal( 1 );
  295. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  296. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  297. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  298. // Step 4: No mutation on second render
  299. renderer.markToSync( 'children', viewP );
  300. renderAndExpectNoChanges( renderer, domRoot );
  301. } );
  302. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  303. const domSelection = document.getSelection();
  304. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  305. const { view: viewP, selection: newSelection } = parse(
  306. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  307. viewRoot.appendChildren( viewP );
  308. selection.setTo( newSelection );
  309. renderer.markToSync( 'children', viewRoot );
  310. renderer.render();
  311. const domP = domRoot.childNodes[ 0 ];
  312. expect( domP.childNodes.length ).to.equal( 2 );
  313. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  314. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  315. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  316. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  317. expect( domSelection.rangeCount ).to.equal( 1 );
  318. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  319. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  320. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  321. // Step 2: No mutation on second render
  322. renderer.markToSync( 'children', viewP );
  323. renderAndExpectNoChanges( renderer, domRoot );
  324. // Step 3: <p><b>foo{}</b></p>
  325. selection.removeAllRanges();
  326. selection.addRange( ViewRange.createFromParentsAndOffsets(
  327. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  328. renderer.render();
  329. expect( domP.childNodes.length ).to.equal( 1 );
  330. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  331. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  332. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  333. expect( domSelection.rangeCount ).to.equal( 1 );
  334. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  335. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  336. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  337. // Step 4: No mutation on second render
  338. renderer.markToSync( 'children', viewP );
  339. renderAndExpectNoChanges( renderer, domRoot );
  340. } );
  341. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  342. const domSelection = document.getSelection();
  343. const { view: viewP, selection: newSelection } = parse(
  344. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  345. viewRoot.appendChildren( viewP );
  346. selection.setTo( newSelection );
  347. renderer.markToSync( 'children', viewRoot );
  348. renderer.render();
  349. const domP = domRoot.childNodes[ 0 ];
  350. expect( domP.childNodes.length ).to.equal( 3 );
  351. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  352. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  353. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  354. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  355. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  356. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  357. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  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. } );
  363. it( 'should move filler when selection is moved', () => {
  364. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  365. const { view: viewP, selection: newSelection } = parse(
  366. '<container:p>foo<attribute:b>[]</attribute:b><attribute:i></attribute:i></container:p>' );
  367. viewRoot.appendChildren( viewP );
  368. selection.setTo( newSelection );
  369. renderer.markToSync( 'children', viewRoot );
  370. renderer.render();
  371. const domP = domRoot.childNodes[ 0 ];
  372. expect( domP.childNodes.length ).to.equal( 3 );
  373. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  374. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  375. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  376. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  377. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  378. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 0 );
  379. // Step 2: <p>foo<b></b><i>"FILLER{}"</i></p>
  380. selection.removeAllRanges();
  381. const viewI = viewP.getChild( 2 );
  382. selection.addRange( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  383. renderer.render();
  384. expect( domP.childNodes.length ).to.equal( 3 );
  385. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  386. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  387. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  388. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  389. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  390. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  391. } );
  392. it( 'should remove filler when text is added and selection removed', () => {
  393. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  394. const { view: viewP, selection: newSelection } = parse( '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  395. const viewB = viewP.getChild( 1 );
  396. viewRoot.appendChildren( viewP );
  397. selection.setTo( newSelection );
  398. renderer.markToSync( 'children', viewRoot );
  399. renderer.render();
  400. const domP = domRoot.childNodes[ 0 ];
  401. expect( domP.childNodes.length ).to.equal( 2 );
  402. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  403. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  404. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  405. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  406. // Step 2: Add text node.
  407. const viewText = new ViewText( 'x' );
  408. viewB.appendChildren( viewText );
  409. selection.removeAllRanges();
  410. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  411. renderer.markToSync( 'children', viewB );
  412. renderer.render();
  413. // Step 3: Remove selection from the view.
  414. selection.removeAllRanges();
  415. renderer.render();
  416. expect( domP.childNodes.length ).to.equal( 2 );
  417. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  418. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  419. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  420. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'x' );
  421. } );
  422. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  423. const domSelection = document.getSelection();
  424. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  425. viewRoot.appendChildren( viewP );
  426. selection.setTo( newSelection );
  427. renderer.markToSync( 'children', viewRoot );
  428. renderer.render();
  429. const domP = domRoot.childNodes[ 0 ];
  430. expect( domP.childNodes.length ).to.equal( 1 );
  431. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  432. expect( domSelection.rangeCount ).to.equal( 1 );
  433. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  434. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  435. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  436. // Remove filler and add text node to both DOM and View <p>x{}</p>
  437. domP.removeChild( domP.childNodes[ 0 ] );
  438. domP.appendChild( document.createTextNode( 'x' ) );
  439. domSelection.removeAllRanges();
  440. const domRange = new Range();
  441. domRange.setStart( domP.childNodes[ 0 ], 1 );
  442. domRange.collapse( true );
  443. domSelection.addRange( domRange );
  444. const viewText = new ViewText( 'x' );
  445. viewP.appendChildren( viewText );
  446. selection.removeAllRanges();
  447. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  448. renderer.markToSync( 'children', viewP );
  449. renderAndExpectNoChanges( renderer, domRoot );
  450. } );
  451. it( 'should handle typing in empty block, render if needed', () => {
  452. const domSelection = document.getSelection();
  453. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  454. viewRoot.appendChildren( viewP );
  455. selection.setTo( newSelection );
  456. renderer.markToSync( 'children', viewRoot );
  457. renderer.render();
  458. const domP = domRoot.childNodes[ 0 ];
  459. expect( domP.childNodes.length ).to.equal( 1 );
  460. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  461. expect( domSelection.rangeCount ).to.equal( 1 );
  462. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  463. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  464. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  465. // Add text node only in View <p>x{}</p>
  466. const viewText = new ViewText( 'x' );
  467. viewP.appendChildren( viewText );
  468. selection.removeAllRanges();
  469. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  470. renderer.markToSync( 'children', viewP );
  471. renderer.render();
  472. expect( domP.childNodes.length ).to.equal( 1 );
  473. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  474. expect( domSelection.rangeCount ).to.equal( 1 );
  475. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  476. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  477. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  478. } );
  479. it( 'should handle removing last character', () => {
  480. const domSelection = document.getSelection();
  481. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  482. viewRoot.appendChildren( viewP );
  483. selection.setTo( newSelection );
  484. renderer.markToSync( 'children', viewRoot );
  485. renderer.render();
  486. const domP = domRoot.childNodes[ 0 ];
  487. expect( domP.childNodes.length ).to.equal( 1 );
  488. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  489. expect( domSelection.rangeCount ).to.equal( 1 );
  490. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  491. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  492. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  493. // Remove text and add filler to both DOM and View <p>{}</p>
  494. domP.removeChild( domP.childNodes[ 0 ] );
  495. domP.appendChild( BR_FILLER( document ) );
  496. domSelection.removeAllRanges();
  497. const domRange = new Range();
  498. domRange.setStart( domP.childNodes[ 0 ], 0 );
  499. domRange.collapse( true );
  500. domSelection.addRange( domRange );
  501. viewP.removeChildren( 0 );
  502. selection.removeAllRanges();
  503. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  504. renderer.markToSync( 'children', viewP );
  505. renderAndExpectNoChanges( renderer, domRoot );
  506. } );
  507. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  508. const domSelection = document.getSelection();
  509. const { view: viewP, selection: newSelection } = parse(
  510. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  511. viewRoot.appendChildren( viewP );
  512. selection.setTo( newSelection );
  513. renderer.markToSync( 'children', viewRoot );
  514. renderer.render();
  515. const domP = domRoot.childNodes[ 0 ];
  516. expect( domP.childNodes.length ).to.equal( 2 );
  517. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  518. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  519. const domB = domP.childNodes[ 0 ];
  520. const viewB = viewP.getChild( 0 );
  521. expect( domB.childNodes.length ).to.equal( 1 );
  522. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  523. expect( domSelection.rangeCount ).to.equal( 1 );
  524. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  525. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  526. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  527. // Add text node to both DOM and View <p><b>x</b>foo</p>
  528. domB.childNodes[ 0 ].data += 'x';
  529. domSelection.removeAllRanges();
  530. const domRange = new Range();
  531. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  532. domRange.collapse( true );
  533. domSelection.addRange( domRange );
  534. const viewText = new ViewText( 'x' );
  535. viewB.appendChildren( viewText );
  536. selection.removeAllRanges();
  537. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  538. renderer.markToSync( 'children', viewP );
  539. renderAndExpectNoChanges( renderer, domRoot );
  540. } );
  541. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  542. const domSelection = document.getSelection();
  543. const { view: viewP, selection: newSelection } = parse(
  544. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  545. viewRoot.appendChildren( viewP );
  546. selection.setTo( newSelection );
  547. renderer.markToSync( 'children', viewRoot );
  548. renderer.render();
  549. const domP = domRoot.childNodes[ 0 ];
  550. expect( domP.childNodes.length ).to.equal( 2 );
  551. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  552. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  553. const domB = domP.childNodes[ 0 ];
  554. const viewB = viewP.getChild( 0 );
  555. expect( domB.childNodes.length ).to.equal( 1 );
  556. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  557. expect( domSelection.rangeCount ).to.equal( 1 );
  558. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  559. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  560. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  561. // Add text node only to View <p><b>x</b>foo</p>
  562. const viewText = new ViewText( 'x' );
  563. viewB.appendChildren( viewText );
  564. selection.removeAllRanges();
  565. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  566. renderer.markToSync( 'children', viewB );
  567. renderer.render();
  568. expect( domB.childNodes.length ).to.equal( 1 );
  569. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  570. expect( domSelection.rangeCount ).to.equal( 1 );
  571. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  572. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  573. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  574. } );
  575. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  576. const domSelection = document.getSelection();
  577. const { view: viewP, selection: newSelection } = parse(
  578. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  579. viewRoot.appendChildren( viewP );
  580. selection.setTo( newSelection );
  581. renderer.markToSync( 'children', viewRoot );
  582. renderer.render();
  583. const domP = domRoot.childNodes[ 0 ];
  584. expect( domP.childNodes.length ).to.equal( 2 );
  585. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  586. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  587. const domB = domP.childNodes[ 0 ];
  588. const viewB = viewP.getChild( 0 );
  589. expect( domB.childNodes.length ).to.equal( 1 );
  590. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  591. expect( domSelection.rangeCount ).to.equal( 1 );
  592. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  593. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  594. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  595. // Add text node only to View <p><b>x</b>foo</p>
  596. const viewText = new ViewText( 'x' );
  597. viewB.appendChildren( viewText );
  598. selection.removeAllRanges();
  599. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  600. renderer.markToSync( 'text', viewText );
  601. renderer.render();
  602. expect( domB.childNodes.length ).to.equal( 1 );
  603. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  604. expect( domSelection.rangeCount ).to.equal( 1 );
  605. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  606. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  607. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  608. } );
  609. it( 'should handle not collapsed range', () => {
  610. const domSelection = document.getSelection();
  611. const { view: viewP, selection: newSelection } = parse(
  612. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  613. viewRoot.appendChildren( viewP );
  614. selection.setTo( newSelection );
  615. renderer.markToSync( 'children', viewRoot );
  616. renderer.render();
  617. const domP = domRoot.childNodes[ 0 ];
  618. expect( domP.childNodes.length ).to.equal( 2 );
  619. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  620. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  621. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  622. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  623. expect( domSelection.rangeCount ).to.equal( 1 );
  624. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  625. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  626. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  627. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  628. renderer.markToSync( 'children', viewP );
  629. renderAndExpectNoChanges( renderer, domRoot );
  630. } );
  631. it( 'should not change selection if there is no editable with selection', () => {
  632. const domDiv = createElement( document, 'div', null, 'not editable' );
  633. document.body.appendChild( domDiv );
  634. const domSelection = document.getSelection();
  635. domSelection.removeAllRanges();
  636. const domRange = new Range();
  637. domRange.setStart( domDiv, 0 );
  638. domRange.collapse( true );
  639. domSelection.addRange( domRange );
  640. selectionEditable = null;
  641. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  642. viewRoot.appendChildren( viewP );
  643. selection.setTo( newSelection );
  644. renderer.render();
  645. expect( domSelection.rangeCount ).to.equal( 1 );
  646. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  647. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  648. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  649. } );
  650. it( 'should not change selection if there is no focus', () => {
  651. const domDiv = createElement( document, 'div', null, 'not editable' );
  652. document.body.appendChild( domDiv );
  653. const domSelection = document.getSelection();
  654. domSelection.removeAllRanges();
  655. const domRange = new Range();
  656. domRange.setStart( domDiv, 0 );
  657. domRange.collapse( true );
  658. domSelection.addRange( domRange );
  659. renderer.isFocused = false;
  660. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  661. viewRoot.appendChildren( viewP );
  662. selection.setTo( newSelection );
  663. renderer.render();
  664. expect( domSelection.rangeCount ).to.equal( 1 );
  665. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  666. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  667. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  668. } );
  669. it( 'should not add ranges if different editable is selected', () => {
  670. const domHeader = document.createElement( 'h1' );
  671. const viewHeader = new ViewElement( 'h1' );
  672. document.body.appendChild( domHeader );
  673. domConverter.bindElements( domHeader, viewHeader );
  674. selectionEditable = viewHeader;
  675. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  676. viewRoot.appendChildren( viewP );
  677. selection.setTo( newSelection );
  678. renderer.render();
  679. const domSelection = document.getSelection();
  680. expect( domSelection.rangeCount ).to.equal( 0 );
  681. } );
  682. it( 'should not add inline filler after text node', () => {
  683. const domSelection = document.getSelection();
  684. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  685. viewRoot.appendChildren( viewP );
  686. selection.setTo( newSelection );
  687. renderer.markToSync( 'children', viewRoot );
  688. renderer.render();
  689. const domP = domRoot.childNodes[ 0 ];
  690. expect( domP.childNodes.length ).to.equal( 1 );
  691. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  692. expect( domSelection.rangeCount ).to.equal( 1 );
  693. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  694. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  695. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  696. } );
  697. it( 'should throw if there is no filler in expected position', () => {
  698. const { view: viewP, selection: newSelection } = parse(
  699. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  700. viewRoot.appendChildren( viewP );
  701. selection.setTo( newSelection );
  702. renderer.markToSync( 'children', viewRoot );
  703. renderer.render();
  704. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  705. const viewB = viewP.getChild( 1 );
  706. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  707. // Remove filler.
  708. domB.childNodes[ 0 ].data = '';
  709. selection.removeAllRanges();
  710. renderer.markToSync( 'children', viewB );
  711. expect( () => {
  712. renderer.render();
  713. } ).to.throw();
  714. } );
  715. it( 'should handle focusing element', () => {
  716. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  717. const editable = selection.editableElement;
  718. renderer.render();
  719. expect( editable ).to.equal( viewRoot );
  720. expect( domFocusSpy.calledOnce ).to.be.true;
  721. } );
  722. it( 'should not focus editable if isFocues is set to false', () => {
  723. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  724. renderer.isFocused = false;
  725. renderer.render();
  726. expect( domFocusSpy.calledOnce ).to.be.false;
  727. } );
  728. it( 'should not focus already focused DOM element', () => {
  729. domRoot.setAttribute( 'contentEditable', true );
  730. domRoot.focus();
  731. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  732. renderer.render();
  733. expect( domFocusSpy.called ).to.be.false;
  734. } );
  735. } );
  736. } );
  737. function renderAndExpectNoChanges( renderer, domRoot ) {
  738. const config = {
  739. childList: true,
  740. characterData: true,
  741. characterDataOldValue: true,
  742. subtree: true
  743. };
  744. const mutationObserver = new window.MutationObserver( () => {
  745. throw 'There should be not mutations';
  746. } );
  747. mutationObserver.observe( domRoot, config );
  748. renderer.render();
  749. const records = mutationObserver.takeRecords();
  750. mutationObserver.disconnect();
  751. expect( records.length ).to.equal( 0 );
  752. }