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renderer.js 33 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. /* bender-tags: view, browser-only */
  6. 'use strict';
  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/ckeditor5/_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, /^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. testUtils.sinon.stub( selection, 'getEditableElement', () => selectionEditable );
  92. } );
  93. it( 'should update attributes', () => {
  94. viewRoot.setAttribute( 'class', 'foo' );
  95. renderer.markToSync( 'attributes', viewRoot );
  96. renderer.render();
  97. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  98. expect( renderer.markedAttributes.size ).to.equal( 0 );
  99. } );
  100. it( 'should remove attributes', () => {
  101. viewRoot.setAttribute( 'class', 'foo' );
  102. domRoot.setAttribute( 'id', 'bar' );
  103. domRoot.setAttribute( 'class', 'bar' );
  104. renderer.markToSync( 'attributes', viewRoot );
  105. renderer.render();
  106. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  107. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  108. expect( renderer.markedAttributes.size ).to.equal( 0 );
  109. } );
  110. it( 'should add children', () => {
  111. viewRoot.appendChildren( new ViewText( 'foo' ) );
  112. renderer.markToSync( 'children', viewRoot );
  113. renderer.render();
  114. expect( domRoot.childNodes.length ).to.equal( 1 );
  115. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  116. expect( renderer.markedChildren.size ).to.equal( 0 );
  117. } );
  118. it( 'should remove children', () => {
  119. viewRoot.appendChildren( new ViewText( 'foo' ) );
  120. renderer.markToSync( 'children', viewRoot );
  121. renderer.render();
  122. expect( domRoot.childNodes.length ).to.equal( 1 );
  123. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  124. viewRoot.removeChildren( 0, 1 );
  125. renderer.markToSync( 'children', viewRoot );
  126. renderer.render();
  127. expect( domRoot.childNodes.length ).to.equal( 0 );
  128. expect( renderer.markedChildren.size ).to.equal( 0 );
  129. } );
  130. it( 'should update text', () => {
  131. const viewText = new ViewText( 'foo' );
  132. viewRoot.appendChildren( viewText );
  133. renderer.markToSync( 'children', viewRoot );
  134. renderer.render();
  135. expect( domRoot.childNodes.length ).to.equal( 1 );
  136. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  137. viewText.data = 'bar';
  138. renderer.markToSync( 'text', viewText );
  139. renderer.render();
  140. expect( domRoot.childNodes.length ).to.equal( 1 );
  141. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  142. expect( renderer.markedTexts.size ).to.equal( 0 );
  143. } );
  144. it( 'should not update text parent child list changed', () => {
  145. const viewImg = new ViewElement( 'img' );
  146. const viewText = new ViewText( 'foo' );
  147. viewRoot.appendChildren( [ viewImg, viewText ] );
  148. renderer.markToSync( 'children', viewRoot );
  149. renderer.markToSync( 'text', viewText );
  150. renderer.render();
  151. expect( domRoot.childNodes.length ).to.equal( 2 );
  152. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  153. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  154. } );
  155. it( 'should not change text if it is the same during text rendering', () => {
  156. const viewText = new ViewText( 'foo' );
  157. viewRoot.appendChildren( viewText );
  158. renderer.markToSync( 'children', viewRoot );
  159. renderer.render();
  160. // This should not be changed during the render.
  161. const domText = domRoot.childNodes[ 0 ];
  162. renderer.markToSync( 'text', viewText );
  163. renderer.render();
  164. expect( domRoot.childNodes.length ).to.equal( 1 );
  165. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  166. } );
  167. it( 'should not change text if it is the same during children rendering', () => {
  168. const viewText = new ViewText( 'foo' );
  169. viewRoot.appendChildren( viewText );
  170. renderer.markToSync( 'children', viewRoot );
  171. renderer.render();
  172. // This should not be changed during the render.
  173. const domText = domRoot.childNodes[ 0 ];
  174. renderer.markToSync( 'children', viewRoot );
  175. renderer.render();
  176. expect( domRoot.childNodes.length ).to.equal( 1 );
  177. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  178. } );
  179. it( 'should not change element if it is the same', () => {
  180. const viewImg = new ViewElement( 'img' );
  181. viewRoot.appendChildren( viewImg );
  182. // This should not be changed during the render.
  183. const domImg = document.createElement( 'img' );
  184. domRoot.appendChild( domImg );
  185. domConverter.bindElements( domImg, viewImg );
  186. renderer.markToSync( 'children', viewRoot );
  187. renderer.render();
  188. expect( domRoot.childNodes.length ).to.equal( 1 );
  189. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  190. } );
  191. it( 'should change element if it is different', () => {
  192. const viewImg = new ViewElement( 'img' );
  193. viewRoot.appendChildren( viewImg );
  194. renderer.markToSync( 'children', viewRoot );
  195. renderer.render();
  196. const viewP = new ViewElement( 'p' );
  197. viewRoot.removeChildren( 0, 1 );
  198. viewRoot.appendChildren( viewP );
  199. renderer.markToSync( 'children', viewRoot );
  200. renderer.render();
  201. expect( domRoot.childNodes.length ).to.equal( 1 );
  202. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  203. } );
  204. it( 'should not care about filler if there is no DOM', () => {
  205. const { view: viewP, selection: newSelection } = parse(
  206. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  207. const viewRoot = new ViewElement( 'p' );
  208. viewRoot.appendChildren( viewP );
  209. selection.setTo( newSelection );
  210. renderer.markToSync( 'children', viewRoot );
  211. renderer.render();
  212. // Expect no error on render.
  213. expect( viewRoot ).to.be.ok;
  214. } );
  215. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  216. const domSelection = document.getSelection();
  217. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  218. const { view: viewP, selection: newSelection } = parse(
  219. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  220. viewRoot.appendChildren( viewP );
  221. selection.setTo( newSelection );
  222. renderer.markToSync( 'children', viewRoot );
  223. renderer.render();
  224. expect( domRoot.childNodes.length ).to.equal( 1 );
  225. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  226. const domP = domRoot.childNodes[ 0 ];
  227. expect( domP.childNodes.length ).to.equal( 3 );
  228. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  229. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  230. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  231. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  232. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  233. expect( domSelection.rangeCount ).to.equal( 1 );
  234. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  235. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  236. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  237. // Step 2: No mutation on second render
  238. renderer.markToSync( 'children', viewRoot );
  239. renderer.markToSync( 'children', viewP );
  240. renderAndExpectNoChanges( renderer, domRoot );
  241. // Step 3: <p>foo{}<b></b></p>
  242. selection.removeAllRanges();
  243. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  244. renderer.render();
  245. expect( domP.childNodes.length ).to.equal( 3 );
  246. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  247. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  248. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  249. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  250. expect( domSelection.rangeCount ).to.equal( 1 );
  251. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  252. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  253. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  254. // Step 4: No mutation on second render
  255. renderer.markToSync( 'children', viewRoot );
  256. renderer.markToSync( 'children', viewP );
  257. renderAndExpectNoChanges( renderer, domRoot );
  258. } );
  259. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  260. const domSelection = document.getSelection();
  261. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  262. const { view: viewP, selection: newSelection } = parse(
  263. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  264. viewRoot.appendChildren( viewP );
  265. selection.setTo( newSelection );
  266. renderer.markToSync( 'children', viewRoot );
  267. renderer.render();
  268. const domP = domRoot.childNodes[ 0 ];
  269. expect( domP.childNodes.length ).to.equal( 2 );
  270. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  271. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  272. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  273. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  274. expect( domSelection.rangeCount ).to.equal( 1 );
  275. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  276. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  277. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  278. // Step 2: No mutation on second render
  279. renderer.markToSync( 'children', viewP );
  280. renderAndExpectNoChanges( renderer, domRoot );
  281. // Step 3: <p><b>{}foo</b></p>
  282. selection.removeAllRanges();
  283. selection.addRange( ViewRange.createFromParentsAndOffsets(
  284. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  285. renderer.render();
  286. expect( domP.childNodes.length ).to.equal( 1 );
  287. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  288. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  289. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  290. expect( domSelection.rangeCount ).to.equal( 1 );
  291. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  292. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  293. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  294. // Step 4: No mutation on second render
  295. renderer.markToSync( 'children', viewP );
  296. renderAndExpectNoChanges( renderer, domRoot );
  297. } );
  298. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  299. const domSelection = document.getSelection();
  300. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  301. const { view: viewP, selection: newSelection } = parse(
  302. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  303. viewRoot.appendChildren( viewP );
  304. selection.setTo( newSelection );
  305. renderer.markToSync( 'children', viewRoot );
  306. renderer.render();
  307. const domP = domRoot.childNodes[ 0 ];
  308. expect( domP.childNodes.length ).to.equal( 2 );
  309. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  310. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  311. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  312. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  313. expect( domSelection.rangeCount ).to.equal( 1 );
  314. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  315. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  316. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  317. // Step 2: No mutation on second render
  318. renderer.markToSync( 'children', viewP );
  319. renderAndExpectNoChanges( renderer, domRoot );
  320. // Step 3: <p><b>foo{}</b></p>
  321. selection.removeAllRanges();
  322. selection.addRange( ViewRange.createFromParentsAndOffsets(
  323. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  324. renderer.render();
  325. expect( domP.childNodes.length ).to.equal( 1 );
  326. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  327. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  328. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  329. expect( domSelection.rangeCount ).to.equal( 1 );
  330. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  331. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  332. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  333. // Step 4: No mutation on second render
  334. renderer.markToSync( 'children', viewP );
  335. renderAndExpectNoChanges( renderer, domRoot );
  336. } );
  337. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  338. const domSelection = document.getSelection();
  339. const { view: viewP, selection: newSelection } = parse(
  340. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  341. viewRoot.appendChildren( viewP );
  342. selection.setTo( newSelection );
  343. renderer.markToSync( 'children', viewRoot );
  344. renderer.render();
  345. const domP = domRoot.childNodes[ 0 ];
  346. expect( domP.childNodes.length ).to.equal( 3 );
  347. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  348. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  349. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  350. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  351. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  352. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  353. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  354. expect( domSelection.rangeCount ).to.equal( 1 );
  355. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  356. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  357. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  358. } );
  359. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  360. const domSelection = document.getSelection();
  361. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  362. viewRoot.appendChildren( viewP );
  363. selection.setTo( newSelection );
  364. renderer.markToSync( 'children', viewRoot );
  365. renderer.render();
  366. const domP = domRoot.childNodes[ 0 ];
  367. expect( domP.childNodes.length ).to.equal( 1 );
  368. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  369. expect( domSelection.rangeCount ).to.equal( 1 );
  370. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  371. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  372. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  373. // Remove filler and add text node to both DOM and View <p>x{}</p>
  374. domP.removeChild( domP.childNodes[ 0 ] );
  375. domP.appendChild( document.createTextNode( 'x' ) );
  376. domSelection.removeAllRanges();
  377. const domRange = new Range();
  378. domRange.setStart( domP.childNodes[ 0 ], 1 );
  379. domRange.collapse( true );
  380. domSelection.addRange( domRange );
  381. const viewText = new ViewText( 'x' );
  382. viewP.appendChildren( viewText );
  383. selection.removeAllRanges();
  384. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  385. renderer.markToSync( 'children', viewP );
  386. renderAndExpectNoChanges( renderer, domRoot );
  387. } );
  388. it( 'should handle typing in empty block, render if needed', () => {
  389. const domSelection = document.getSelection();
  390. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  391. viewRoot.appendChildren( viewP );
  392. selection.setTo( newSelection );
  393. renderer.markToSync( 'children', viewRoot );
  394. renderer.render();
  395. const domP = domRoot.childNodes[ 0 ];
  396. expect( domP.childNodes.length ).to.equal( 1 );
  397. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  398. expect( domSelection.rangeCount ).to.equal( 1 );
  399. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  400. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  401. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  402. // Add text node only in View <p>x{}</p>
  403. const viewText = new ViewText( 'x' );
  404. viewP.appendChildren( viewText );
  405. selection.removeAllRanges();
  406. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  407. renderer.markToSync( 'children', viewP );
  408. renderer.render();
  409. expect( domP.childNodes.length ).to.equal( 1 );
  410. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  411. expect( domSelection.rangeCount ).to.equal( 1 );
  412. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  413. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  414. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  415. } );
  416. it( 'should handle removing last character', () => {
  417. const domSelection = document.getSelection();
  418. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  419. viewRoot.appendChildren( viewP );
  420. selection.setTo( newSelection );
  421. renderer.markToSync( 'children', viewRoot );
  422. renderer.render();
  423. const domP = domRoot.childNodes[ 0 ];
  424. expect( domP.childNodes.length ).to.equal( 1 );
  425. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  426. expect( domSelection.rangeCount ).to.equal( 1 );
  427. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  428. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  429. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  430. // Remove text and add filler to both DOM and View <p>{}</p>
  431. domP.removeChild( domP.childNodes[ 0 ] );
  432. domP.appendChild( BR_FILLER( document ) );
  433. domSelection.removeAllRanges();
  434. const domRange = new Range();
  435. domRange.setStart( domP.childNodes[ 0 ], 0 );
  436. domRange.collapse( true );
  437. domSelection.addRange( domRange );
  438. viewP.removeChildren( 0 );
  439. selection.removeAllRanges();
  440. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  441. renderer.markToSync( 'children', viewP );
  442. renderAndExpectNoChanges( renderer, domRoot );
  443. } );
  444. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  445. const domSelection = document.getSelection();
  446. const { view: viewP, selection: newSelection } = parse(
  447. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  448. viewRoot.appendChildren( viewP );
  449. selection.setTo( newSelection );
  450. renderer.markToSync( 'children', viewRoot );
  451. renderer.render();
  452. const domP = domRoot.childNodes[ 0 ];
  453. expect( domP.childNodes.length ).to.equal( 2 );
  454. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  455. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  456. const domB = domP.childNodes[ 0 ];
  457. const viewB = viewP.getChild( 0 );
  458. expect( domB.childNodes.length ).to.equal( 1 );
  459. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  460. expect( domSelection.rangeCount ).to.equal( 1 );
  461. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  462. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  463. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  464. // Add text node to both DOM and View <p><b>x</b>foo</p>
  465. domB.childNodes[ 0 ].data += 'x';
  466. domSelection.removeAllRanges();
  467. const domRange = new Range();
  468. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  469. domRange.collapse( true );
  470. domSelection.addRange( domRange );
  471. const viewText = new ViewText( 'x' );
  472. viewB.appendChildren( viewText );
  473. selection.removeAllRanges();
  474. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  475. renderer.markToSync( 'children', viewP );
  476. renderAndExpectNoChanges( renderer, domRoot );
  477. } );
  478. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  479. const domSelection = document.getSelection();
  480. const { view: viewP, selection: newSelection } = parse(
  481. '<container:p><attribute:b>[]</attribute:b>foo</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( 2 );
  488. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  489. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  490. const domB = domP.childNodes[ 0 ];
  491. const viewB = viewP.getChild( 0 );
  492. expect( domB.childNodes.length ).to.equal( 1 );
  493. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  494. expect( domSelection.rangeCount ).to.equal( 1 );
  495. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  496. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  497. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  498. // Add text node only to View <p><b>x</b>foo</p>
  499. const viewText = new ViewText( 'x' );
  500. viewB.appendChildren( viewText );
  501. selection.removeAllRanges();
  502. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  503. renderer.markToSync( 'children', viewB );
  504. renderer.render();
  505. expect( domB.childNodes.length ).to.equal( 1 );
  506. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  507. expect( domSelection.rangeCount ).to.equal( 1 );
  508. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  509. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  510. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  511. } );
  512. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  513. const domSelection = document.getSelection();
  514. const { view: viewP, selection: newSelection } = parse(
  515. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  516. viewRoot.appendChildren( viewP );
  517. selection.setTo( newSelection );
  518. renderer.markToSync( 'children', viewRoot );
  519. renderer.render();
  520. const domP = domRoot.childNodes[ 0 ];
  521. expect( domP.childNodes.length ).to.equal( 2 );
  522. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  523. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  524. const domB = domP.childNodes[ 0 ];
  525. const viewB = viewP.getChild( 0 );
  526. expect( domB.childNodes.length ).to.equal( 1 );
  527. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  528. expect( domSelection.rangeCount ).to.equal( 1 );
  529. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  530. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  531. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  532. // Add text node only to View <p><b>x</b>foo</p>
  533. const viewText = new ViewText( 'x' );
  534. viewB.appendChildren( viewText );
  535. selection.removeAllRanges();
  536. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  537. renderer.markToSync( 'text', viewText );
  538. renderer.render();
  539. expect( domB.childNodes.length ).to.equal( 1 );
  540. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  541. expect( domSelection.rangeCount ).to.equal( 1 );
  542. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  543. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  544. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  545. } );
  546. it( 'should handle not collapsed range', () => {
  547. const domSelection = document.getSelection();
  548. const { view: viewP, selection: newSelection } = parse(
  549. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  550. viewRoot.appendChildren( viewP );
  551. selection.setTo( newSelection );
  552. renderer.markToSync( 'children', viewRoot );
  553. renderer.render();
  554. const domP = domRoot.childNodes[ 0 ];
  555. expect( domP.childNodes.length ).to.equal( 2 );
  556. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  557. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  558. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  559. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  560. expect( domSelection.rangeCount ).to.equal( 1 );
  561. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  562. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  563. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  564. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  565. renderer.markToSync( 'children', viewP );
  566. renderAndExpectNoChanges( renderer, domRoot );
  567. } );
  568. it( 'should not change selection if there is no editable with selection', () => {
  569. const domDiv = createElement( document, 'div', null, 'not editable' );
  570. document.body.appendChild( domDiv );
  571. const domSelection = document.getSelection();
  572. domSelection.removeAllRanges();
  573. const domRange = new Range();
  574. domRange.setStart( domDiv, 0 );
  575. domRange.collapse( true );
  576. domSelection.addRange( domRange );
  577. selectionEditable = null;
  578. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  579. viewRoot.appendChildren( viewP );
  580. selection.setTo( newSelection );
  581. renderer.render();
  582. expect( domSelection.rangeCount ).to.equal( 1 );
  583. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  584. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  585. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  586. } );
  587. it( 'should not change selection if there is no focus', () => {
  588. const domDiv = createElement( document, 'div', null, 'not editable' );
  589. document.body.appendChild( domDiv );
  590. const domSelection = document.getSelection();
  591. domSelection.removeAllRanges();
  592. const domRange = new Range();
  593. domRange.setStart( domDiv, 0 );
  594. domRange.collapse( true );
  595. domSelection.addRange( domRange );
  596. renderer.isFocused = false;
  597. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  598. viewRoot.appendChildren( viewP );
  599. selection.setTo( newSelection );
  600. renderer.render();
  601. expect( domSelection.rangeCount ).to.equal( 1 );
  602. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  603. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  604. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  605. } );
  606. it( 'should not add ranges if different editable is selected', () => {
  607. const domHeader = document.createElement( 'h1' );
  608. const viewHeader = new ViewElement( 'h1' );
  609. document.body.appendChild( domHeader );
  610. domConverter.bindElements( domHeader, viewHeader );
  611. selectionEditable = viewHeader;
  612. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  613. viewRoot.appendChildren( viewP );
  614. selection.setTo( newSelection );
  615. renderer.render();
  616. const domSelection = document.getSelection();
  617. expect( domSelection.rangeCount ).to.equal( 0 );
  618. } );
  619. it( 'should not add inline filler after text node', () => {
  620. const domSelection = document.getSelection();
  621. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  622. viewRoot.appendChildren( viewP );
  623. selection.setTo( newSelection );
  624. renderer.markToSync( 'children', viewRoot );
  625. renderer.render();
  626. const domP = domRoot.childNodes[ 0 ];
  627. expect( domP.childNodes.length ).to.equal( 1 );
  628. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  629. expect( domSelection.rangeCount ).to.equal( 1 );
  630. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  631. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  632. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  633. } );
  634. it( 'should throw if there is no filler in expected position', () => {
  635. const { view: viewP, selection: newSelection } = parse(
  636. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  637. viewRoot.appendChildren( viewP );
  638. selection.setTo( newSelection );
  639. renderer.markToSync( 'children', viewRoot );
  640. renderer.render();
  641. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  642. const viewB = viewP.getChild( 1 );
  643. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  644. // Remove filler.
  645. domB.childNodes[ 0 ].data = '';
  646. selection.removeAllRanges();
  647. renderer.markToSync( 'children', viewB );
  648. expect( () => {
  649. renderer.render();
  650. } ).to.throw();
  651. } );
  652. it( 'should handle focusing element', () => {
  653. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  654. const editable = selection.getEditableElement();
  655. renderer.render();
  656. expect( editable ).to.equal( viewRoot );
  657. expect( domFocusSpy.calledOnce ).to.be.true;
  658. } );
  659. it( 'should not focus editable if isFocues is set to false', () => {
  660. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  661. renderer.isFocused = false;
  662. renderer.render();
  663. expect( domFocusSpy.calledOnce ).to.be.false;
  664. } );
  665. it( 'should not focus already focused DOM element', () => {
  666. domRoot.setAttribute( 'contentEditable', true );
  667. domRoot.focus();
  668. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  669. renderer.render();
  670. expect( domFocusSpy.called ).to.be.false;
  671. } );
  672. } );
  673. } );
  674. function renderAndExpectNoChanges( renderer, domRoot ) {
  675. const config = {
  676. childList: true,
  677. characterData: true,
  678. characterDataOldValue: true,
  679. subtree: true
  680. };
  681. const mutationObserver = new window.MutationObserver( () => {
  682. throw 'There should be not mutations';
  683. } );
  684. mutationObserver.observe( domRoot, config );
  685. renderer.render();
  686. const records = mutationObserver.takeRecords();
  687. mutationObserver.disconnect();
  688. expect( records.length ).to.equal( 0 );
  689. }