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renderer.js 31 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 createElement from '/ckeditor5/utils/dom/createelement.js';
  17. describe( 'Renderer', () => {
  18. let selection, domConverter, renderer;
  19. before( () => {
  20. selection = new Selection();
  21. domConverter = new DomConverter();
  22. renderer = new Renderer( domConverter, selection );
  23. } );
  24. describe( 'markToSync', () => {
  25. let viewRoot;
  26. beforeEach( () => {
  27. viewRoot = new ViewElement( 'p' );
  28. const domRoot = document.createElement( 'p' );
  29. domConverter.bindElements( domRoot, viewRoot );
  30. viewRoot.appendChildren( new ViewText( 'foo' ) );
  31. renderer.markedTexts.clear();
  32. renderer.markedAttributes.clear();
  33. renderer.markedChildren.clear();
  34. } );
  35. it( 'should mark attributes which need update', () => {
  36. viewRoot.setAttribute( 'class', 'foo' );
  37. renderer.markToSync( 'attributes', viewRoot );
  38. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  39. } );
  40. it( 'should mark children which need update', () => {
  41. viewRoot.appendChildren( new ViewText( 'foo' ) );
  42. renderer.markToSync( 'children', viewRoot );
  43. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  44. } );
  45. it( 'should not mark children if element has no corresponding node', () => {
  46. // Overwrite viewRoot with node without coresponding DOM node.
  47. viewRoot = new ViewElement( 'p' );
  48. viewRoot.appendChildren( new ViewText( 'foo' ) );
  49. renderer.markToSync( 'children', viewRoot );
  50. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  51. } );
  52. it( 'should mark text which need update', () => {
  53. const viewText = new ViewText( 'foo' );
  54. viewRoot.appendChildren( viewText );
  55. viewText.data = 'bar';
  56. renderer.markToSync( 'text', viewText );
  57. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  58. } );
  59. it( 'should not mark text if parent has no corresponding node', () => {
  60. const viewText = new ViewText( 'foo' );
  61. // Overwrite viewRoot with node without coresponding DOM node.
  62. viewRoot = new ViewElement( 'p' );
  63. viewRoot.appendChildren( viewText );
  64. viewText.data = 'bar';
  65. renderer.markToSync( 'text', viewText );
  66. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  67. } );
  68. it( 'should throw if the type is unknown', () => {
  69. expect( () => {
  70. renderer.markToSync( 'UNKNOWN', viewRoot );
  71. } ).to.throw( CKEditorError, /^renderer-unknown-type/ );
  72. } );
  73. } );
  74. describe( 'render', () => {
  75. let viewRoot, domRoot;
  76. beforeEach( () => {
  77. viewRoot = new ViewElement( 'div' );
  78. domRoot = document.createElement( 'div' );
  79. document.body.appendChild( domRoot );
  80. domConverter.bindElements( domRoot, viewRoot );
  81. renderer.markedTexts.clear();
  82. renderer.markedAttributes.clear();
  83. renderer.markedChildren.clear();
  84. renderer.focusedEditable = viewRoot;
  85. selection.removeAllRanges();
  86. } );
  87. it( 'should update attributes', () => {
  88. viewRoot.setAttribute( 'class', 'foo' );
  89. renderer.markToSync( 'attributes', viewRoot );
  90. renderer.render();
  91. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  92. expect( renderer.markedAttributes.size ).to.equal( 0 );
  93. } );
  94. it( 'should remove attributes', () => {
  95. viewRoot.setAttribute( 'class', 'foo' );
  96. domRoot.setAttribute( 'id', 'bar' );
  97. domRoot.setAttribute( 'class', 'bar' );
  98. renderer.markToSync( 'attributes', viewRoot );
  99. renderer.render();
  100. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  101. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  102. expect( renderer.markedAttributes.size ).to.equal( 0 );
  103. } );
  104. it( 'should add children', () => {
  105. viewRoot.appendChildren( new ViewText( 'foo' ) );
  106. renderer.markToSync( 'children', viewRoot );
  107. renderer.render();
  108. expect( domRoot.childNodes.length ).to.equal( 1 );
  109. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  110. expect( renderer.markedChildren.size ).to.equal( 0 );
  111. } );
  112. it( 'should remove children', () => {
  113. viewRoot.appendChildren( new ViewText( 'foo' ) );
  114. renderer.markToSync( 'children', viewRoot );
  115. renderer.render();
  116. expect( domRoot.childNodes.length ).to.equal( 1 );
  117. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  118. viewRoot.removeChildren( 0, 1 );
  119. renderer.markToSync( 'children', viewRoot );
  120. renderer.render();
  121. expect( domRoot.childNodes.length ).to.equal( 0 );
  122. expect( renderer.markedChildren.size ).to.equal( 0 );
  123. } );
  124. it( 'should update text', () => {
  125. const viewText = new ViewText( 'foo' );
  126. viewRoot.appendChildren( viewText );
  127. renderer.markToSync( 'children', viewRoot );
  128. renderer.render();
  129. expect( domRoot.childNodes.length ).to.equal( 1 );
  130. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  131. viewText.data = 'bar';
  132. renderer.markToSync( 'text', viewText );
  133. renderer.render();
  134. expect( domRoot.childNodes.length ).to.equal( 1 );
  135. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  136. expect( renderer.markedTexts.size ).to.equal( 0 );
  137. } );
  138. it( 'should not update text parent child list changed', () => {
  139. const viewImg = new ViewElement( 'img' );
  140. const viewText = new ViewText( 'foo' );
  141. viewRoot.appendChildren( [ viewImg, viewText ] );
  142. renderer.markToSync( 'children', viewRoot );
  143. renderer.markToSync( 'text', viewText );
  144. renderer.render();
  145. expect( domRoot.childNodes.length ).to.equal( 2 );
  146. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  147. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  148. } );
  149. it( 'should not change text if it is the same during text rendering', () => {
  150. const viewText = new ViewText( 'foo' );
  151. viewRoot.appendChildren( viewText );
  152. renderer.markToSync( 'children', viewRoot );
  153. renderer.render();
  154. // This should not be changed during the render.
  155. const domText = domRoot.childNodes[ 0 ];
  156. renderer.markToSync( 'text', viewText );
  157. renderer.render();
  158. expect( domRoot.childNodes.length ).to.equal( 1 );
  159. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  160. } );
  161. it( 'should not change text if it is the same during children rendering', () => {
  162. const viewText = new ViewText( 'foo' );
  163. viewRoot.appendChildren( viewText );
  164. renderer.markToSync( 'children', viewRoot );
  165. renderer.render();
  166. // This should not be changed during the render.
  167. const domText = domRoot.childNodes[ 0 ];
  168. renderer.markToSync( 'children', viewRoot );
  169. renderer.render();
  170. expect( domRoot.childNodes.length ).to.equal( 1 );
  171. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  172. } );
  173. it( 'should not change element if it is the same', () => {
  174. const viewImg = new ViewElement( 'img' );
  175. viewRoot.appendChildren( viewImg );
  176. // This should not be changed during the render.
  177. const domImg = document.createElement( 'img' );
  178. domRoot.appendChild( domImg );
  179. domConverter.bindElements( domImg, viewImg );
  180. renderer.markToSync( 'children', viewRoot );
  181. renderer.render();
  182. expect( domRoot.childNodes.length ).to.equal( 1 );
  183. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  184. } );
  185. it( 'should change element if it is different', () => {
  186. const viewImg = new ViewElement( 'img' );
  187. viewRoot.appendChildren( viewImg );
  188. renderer.markToSync( 'children', viewRoot );
  189. renderer.render();
  190. const viewP = new ViewElement( 'p' );
  191. viewRoot.removeChildren( 0, 1 );
  192. viewRoot.appendChildren( viewP );
  193. renderer.markToSync( 'children', viewRoot );
  194. renderer.render();
  195. expect( domRoot.childNodes.length ).to.equal( 1 );
  196. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  197. } );
  198. it( 'should not care about filler if there is no DOM', () => {
  199. const { view: viewP, selection: newSelection } = parse(
  200. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  201. const viewRoot = new ViewElement( 'p' );
  202. viewRoot.appendChildren( viewP );
  203. selection.setTo( newSelection );
  204. renderer.focusedEditable = viewRoot;
  205. renderer.markToSync( 'children', viewRoot );
  206. renderer.render();
  207. // Expect no error on render.
  208. expect( viewRoot ).to.be.ok;
  209. } );
  210. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  211. const domSelection = document.getSelection();
  212. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  213. const { view: viewP, selection: newSelection } = parse(
  214. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  215. viewRoot.appendChildren( viewP );
  216. selection.setTo( newSelection );
  217. renderer.markToSync( 'children', viewRoot );
  218. renderer.render();
  219. expect( domRoot.childNodes.length ).to.equal( 1 );
  220. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  221. const domP = domRoot.childNodes[ 0 ];
  222. expect( domP.childNodes.length ).to.equal( 3 );
  223. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  224. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  225. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  226. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  227. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  228. expect( domSelection.rangeCount ).to.equal( 1 );
  229. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  230. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  231. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  232. // Step 2: No mutation on second render
  233. renderer.markToSync( 'children', viewRoot );
  234. renderer.markToSync( 'children', viewP );
  235. renderAndExpectNoChanges( renderer, domRoot );
  236. // Step 3: <p>foo{}<b></b></p>
  237. selection.removeAllRanges();
  238. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  239. renderer.render();
  240. expect( domP.childNodes.length ).to.equal( 3 );
  241. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  242. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  243. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  244. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  245. expect( domSelection.rangeCount ).to.equal( 1 );
  246. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  247. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  248. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  249. // Step 4: No mutation on second render
  250. renderer.markToSync( 'children', viewRoot );
  251. renderer.markToSync( 'children', viewP );
  252. renderAndExpectNoChanges( renderer, domRoot );
  253. } );
  254. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  255. const domSelection = document.getSelection();
  256. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  257. const { view: viewP, selection: newSelection } = parse(
  258. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  259. viewRoot.appendChildren( viewP );
  260. selection.setTo( newSelection );
  261. renderer.markToSync( 'children', viewRoot );
  262. renderer.render();
  263. const domP = domRoot.childNodes[ 0 ];
  264. expect( domP.childNodes.length ).to.equal( 2 );
  265. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  266. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  267. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  268. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  269. expect( domSelection.rangeCount ).to.equal( 1 );
  270. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  271. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  272. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  273. // Step 2: No mutation on second render
  274. renderer.markToSync( 'children', viewP );
  275. renderAndExpectNoChanges( renderer, domRoot );
  276. // Step 3: <p><b>{}foo</b></p>
  277. selection.removeAllRanges();
  278. selection.addRange( ViewRange.createFromParentsAndOffsets(
  279. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  280. renderer.render();
  281. expect( domP.childNodes.length ).to.equal( 1 );
  282. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  283. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  284. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  285. expect( domSelection.rangeCount ).to.equal( 1 );
  286. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  287. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  288. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  289. // Step 4: No mutation on second render
  290. renderer.markToSync( 'children', viewP );
  291. renderAndExpectNoChanges( renderer, domRoot );
  292. } );
  293. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  294. const domSelection = document.getSelection();
  295. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  296. const { view: viewP, selection: newSelection } = parse(
  297. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  298. viewRoot.appendChildren( viewP );
  299. selection.setTo( newSelection );
  300. renderer.markToSync( 'children', viewRoot );
  301. renderer.render();
  302. const domP = domRoot.childNodes[ 0 ];
  303. expect( domP.childNodes.length ).to.equal( 2 );
  304. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  305. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  306. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  307. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  308. expect( domSelection.rangeCount ).to.equal( 1 );
  309. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  310. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  311. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  312. // Step 2: No mutation on second render
  313. renderer.markToSync( 'children', viewP );
  314. renderAndExpectNoChanges( renderer, domRoot );
  315. // Step 3: <p><b>foo{}</b></p>
  316. selection.removeAllRanges();
  317. selection.addRange( ViewRange.createFromParentsAndOffsets(
  318. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  319. renderer.render();
  320. expect( domP.childNodes.length ).to.equal( 1 );
  321. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  322. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  323. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  324. expect( domSelection.rangeCount ).to.equal( 1 );
  325. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  326. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  327. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  328. // Step 4: No mutation on second render
  329. renderer.markToSync( 'children', viewP );
  330. renderAndExpectNoChanges( renderer, domRoot );
  331. } );
  332. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  333. const domSelection = document.getSelection();
  334. const { view: viewP, selection: newSelection } = parse(
  335. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  336. viewRoot.appendChildren( viewP );
  337. selection.setTo( newSelection );
  338. renderer.markToSync( 'children', viewRoot );
  339. renderer.render();
  340. const domP = domRoot.childNodes[ 0 ];
  341. expect( domP.childNodes.length ).to.equal( 3 );
  342. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  343. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  344. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  345. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  346. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  347. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  348. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  349. expect( domSelection.rangeCount ).to.equal( 1 );
  350. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  351. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  352. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  353. } );
  354. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  355. const domSelection = document.getSelection();
  356. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  357. viewRoot.appendChildren( viewP );
  358. selection.setTo( newSelection );
  359. renderer.markToSync( 'children', viewRoot );
  360. renderer.render();
  361. const domP = domRoot.childNodes[ 0 ];
  362. expect( domP.childNodes.length ).to.equal( 1 );
  363. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  364. expect( domSelection.rangeCount ).to.equal( 1 );
  365. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  366. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  367. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  368. // Remove filler and add text node to both DOM and View <p>x{}</p>
  369. domP.removeChild( domP.childNodes[ 0 ] );
  370. domP.appendChild( document.createTextNode( 'x' ) );
  371. domSelection.removeAllRanges();
  372. const domRange = new Range();
  373. domRange.setStart( domP.childNodes[ 0 ], 1 );
  374. domRange.collapse( true );
  375. domSelection.addRange( domRange );
  376. const viewText = new ViewText( 'x' );
  377. viewP.appendChildren( viewText );
  378. selection.removeAllRanges();
  379. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  380. renderer.markToSync( 'children', viewP );
  381. renderAndExpectNoChanges( renderer, domRoot );
  382. } );
  383. it( 'should handle typing in empty block, render if needed', () => {
  384. const domSelection = document.getSelection();
  385. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  386. viewRoot.appendChildren( viewP );
  387. selection.setTo( newSelection );
  388. renderer.markToSync( 'children', viewRoot );
  389. renderer.render();
  390. const domP = domRoot.childNodes[ 0 ];
  391. expect( domP.childNodes.length ).to.equal( 1 );
  392. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  393. expect( domSelection.rangeCount ).to.equal( 1 );
  394. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  395. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  396. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  397. // Add text node only in View <p>x{}</p>
  398. const viewText = new ViewText( 'x' );
  399. viewP.appendChildren( viewText );
  400. selection.removeAllRanges();
  401. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  402. renderer.markToSync( 'children', viewP );
  403. renderer.render();
  404. expect( domP.childNodes.length ).to.equal( 1 );
  405. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  406. expect( domSelection.rangeCount ).to.equal( 1 );
  407. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  408. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  409. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  410. } );
  411. it( 'should handle removing last character', () => {
  412. const domSelection = document.getSelection();
  413. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  414. viewRoot.appendChildren( viewP );
  415. selection.setTo( newSelection );
  416. renderer.markToSync( 'children', viewRoot );
  417. renderer.render();
  418. const domP = domRoot.childNodes[ 0 ];
  419. expect( domP.childNodes.length ).to.equal( 1 );
  420. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  421. expect( domSelection.rangeCount ).to.equal( 1 );
  422. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  423. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  424. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  425. // Remove text and add filler to both DOM and View <p>{}</p>
  426. domP.removeChild( domP.childNodes[ 0 ] );
  427. domP.appendChild( BR_FILLER( document ) );
  428. domSelection.removeAllRanges();
  429. const domRange = new Range();
  430. domRange.setStart( domP.childNodes[ 0 ], 0 );
  431. domRange.collapse( true );
  432. domSelection.addRange( domRange );
  433. viewP.removeChildren( 0 );
  434. selection.removeAllRanges();
  435. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  436. renderer.markToSync( 'children', viewP );
  437. renderAndExpectNoChanges( renderer, domRoot );
  438. } );
  439. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  440. const domSelection = document.getSelection();
  441. const { view: viewP, selection: newSelection } = parse(
  442. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  443. viewRoot.appendChildren( viewP );
  444. selection.setTo( newSelection );
  445. renderer.markToSync( 'children', viewRoot );
  446. renderer.render();
  447. const domP = domRoot.childNodes[ 0 ];
  448. expect( domP.childNodes.length ).to.equal( 2 );
  449. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  450. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  451. const domB = domP.childNodes[ 0 ];
  452. const viewB = viewP.getChild( 0 );
  453. expect( domB.childNodes.length ).to.equal( 1 );
  454. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  455. expect( domSelection.rangeCount ).to.equal( 1 );
  456. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  457. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  458. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  459. // Add text node to both DOM and View <p><b>x</b>foo</p>
  460. domB.childNodes[ 0 ].data += 'x';
  461. domSelection.removeAllRanges();
  462. const domRange = new Range();
  463. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  464. domRange.collapse( true );
  465. domSelection.addRange( domRange );
  466. const viewText = new ViewText( 'x' );
  467. viewB.appendChildren( viewText );
  468. selection.removeAllRanges();
  469. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  470. renderer.markToSync( 'children', viewP );
  471. renderAndExpectNoChanges( renderer, domRoot );
  472. } );
  473. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  474. const domSelection = document.getSelection();
  475. const { view: viewP, selection: newSelection } = parse(
  476. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  477. viewRoot.appendChildren( viewP );
  478. selection.setTo( newSelection );
  479. renderer.markToSync( 'children', viewRoot );
  480. renderer.render();
  481. const domP = domRoot.childNodes[ 0 ];
  482. expect( domP.childNodes.length ).to.equal( 2 );
  483. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  484. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  485. const domB = domP.childNodes[ 0 ];
  486. const viewB = viewP.getChild( 0 );
  487. expect( domB.childNodes.length ).to.equal( 1 );
  488. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  489. expect( domSelection.rangeCount ).to.equal( 1 );
  490. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  491. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  492. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  493. // Add text node only to View <p><b>x</b>foo</p>
  494. const viewText = new ViewText( 'x' );
  495. viewB.appendChildren( viewText );
  496. selection.removeAllRanges();
  497. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  498. renderer.markToSync( 'children', viewB );
  499. renderer.render();
  500. expect( domB.childNodes.length ).to.equal( 1 );
  501. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  502. expect( domSelection.rangeCount ).to.equal( 1 );
  503. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  504. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  505. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  506. } );
  507. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  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 only to View <p><b>x</b>foo</p>
  528. const viewText = new ViewText( 'x' );
  529. viewB.appendChildren( viewText );
  530. selection.removeAllRanges();
  531. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  532. renderer.markToSync( 'text', viewText );
  533. renderer.render();
  534. expect( domB.childNodes.length ).to.equal( 1 );
  535. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  536. expect( domSelection.rangeCount ).to.equal( 1 );
  537. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  538. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  539. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  540. } );
  541. it( 'should handle not collapsed range', () => {
  542. const domSelection = document.getSelection();
  543. const { view: viewP, selection: newSelection } = parse(
  544. '<container:p>fo{o<attribute:b>b}ar</attribute:b></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 ].data ).to.equal( 'foo' );
  552. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  553. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  554. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  555. expect( domSelection.rangeCount ).to.equal( 1 );
  556. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  557. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  558. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  559. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  560. renderer.markToSync( 'children', viewP );
  561. renderAndExpectNoChanges( renderer, domRoot );
  562. } );
  563. it( 'should not change selection if there is no focusedEditable', () => {
  564. const domDiv = createElement( document, 'div', null, 'not editable' );
  565. document.body.appendChild( domDiv );
  566. const domSelection = document.getSelection();
  567. domSelection.removeAllRanges();
  568. const domRange = new Range();
  569. domRange.setStart( domDiv, 0 );
  570. domRange.collapse( true );
  571. domSelection.addRange( domRange );
  572. renderer.focusedEditable = null;
  573. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  574. viewRoot.appendChildren( viewP );
  575. selection.setTo( newSelection );
  576. renderer.render();
  577. expect( domSelection.rangeCount ).to.equal( 1 );
  578. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domDiv );
  579. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  580. expect( domSelection.getRangeAt( 0 ).collapsed ).to.equal( true );
  581. } );
  582. it( 'should not add ranges if different editable is focused', () => {
  583. const domHeader = document.createElement( 'h1' );
  584. const viewHeader = new ViewElement( 'h1' );
  585. document.body.appendChild( domHeader );
  586. domConverter.bindElements( domHeader, viewHeader );
  587. renderer.focusedEditable = viewHeader;
  588. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  589. viewRoot.appendChildren( viewP );
  590. selection.setTo( newSelection );
  591. renderer.render();
  592. const domSelection = document.getSelection();
  593. expect( domSelection.rangeCount ).to.equal( 0 );
  594. } );
  595. it( 'should not add inline filler after text node', () => {
  596. const domSelection = document.getSelection();
  597. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  598. viewRoot.appendChildren( viewP );
  599. selection.setTo( newSelection );
  600. renderer.markToSync( 'children', viewRoot );
  601. renderer.render();
  602. const domP = domRoot.childNodes[ 0 ];
  603. expect( domP.childNodes.length ).to.equal( 1 );
  604. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  605. expect( domSelection.rangeCount ).to.equal( 1 );
  606. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  607. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  608. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  609. } );
  610. it( 'should throw if there is no filler in expected position', () => {
  611. const { view: viewP, selection: newSelection } = parse(
  612. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  613. viewRoot.appendChildren( viewP );
  614. selection.setTo( newSelection );
  615. renderer.markToSync( 'children', viewRoot );
  616. renderer.render();
  617. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  618. const viewB = viewP.getChild( 1 );
  619. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  620. // Remove filler.
  621. domB.childNodes[ 0 ].data = '';
  622. selection.removeAllRanges();
  623. renderer.markToSync( 'children', viewB );
  624. expect( () => {
  625. renderer.render();
  626. } ).to.throw();
  627. } );
  628. } );
  629. } );
  630. function renderAndExpectNoChanges( renderer, domRoot ) {
  631. const config = {
  632. childList: true,
  633. characterData: true,
  634. characterDataOldValue: true,
  635. subtree: true
  636. };
  637. const mutationObserver = new window.MutationObserver( () => {
  638. throw 'There should be not mutations';
  639. } );
  640. mutationObserver.observe( domRoot, config );
  641. renderer.render();
  642. const records = mutationObserver.takeRecords();
  643. mutationObserver.disconnect();
  644. expect( records.length ).to.equal( 0 );
  645. }