renderer.js 29 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. describe( 'Renderer', () => {
  17. let selection, domConverter, renderer;
  18. before( () => {
  19. selection = new Selection();
  20. domConverter = new DomConverter();
  21. renderer = new Renderer( domConverter, selection );
  22. } );
  23. describe( 'markToSync', () => {
  24. let viewRoot;
  25. beforeEach( () => {
  26. viewRoot = new ViewElement( 'p' );
  27. const domRoot = document.createElement( 'p' );
  28. domConverter.bindElements( domRoot, viewRoot );
  29. viewRoot.appendChildren( new ViewText( 'foo' ) );
  30. renderer.markedTexts.clear();
  31. renderer.markedAttributes.clear();
  32. renderer.markedChildren.clear();
  33. } );
  34. it( 'should mark attributes which need update', () => {
  35. viewRoot.setAttribute( 'class', 'foo' );
  36. renderer.markToSync( 'attributes', viewRoot );
  37. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  38. } );
  39. it( 'should mark children which need update', () => {
  40. viewRoot.appendChildren( new ViewText( 'foo' ) );
  41. renderer.markToSync( 'children', viewRoot );
  42. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  43. } );
  44. it( 'should not mark children if element has no corresponding node', () => {
  45. // Overwrite viewRoot with node without coresponding DOM node.
  46. viewRoot = new ViewElement( 'p' );
  47. viewRoot.appendChildren( new ViewText( 'foo' ) );
  48. renderer.markToSync( 'children', viewRoot );
  49. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  50. } );
  51. it( 'should mark text which need update', () => {
  52. const viewText = new ViewText( 'foo' );
  53. viewRoot.appendChildren( viewText );
  54. viewText.data = 'bar';
  55. renderer.markToSync( 'text', viewText );
  56. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  57. } );
  58. it( 'should not mark text if parent has no corresponding node', () => {
  59. const viewText = new ViewText( 'foo' );
  60. // Overwrite viewRoot with node without coresponding DOM node.
  61. viewRoot = new ViewElement( 'p' );
  62. viewRoot.appendChildren( viewText );
  63. viewText.data = 'bar';
  64. renderer.markToSync( 'text', viewText );
  65. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  66. } );
  67. it( 'should throw if the type is unknown', () => {
  68. expect( () => {
  69. renderer.markToSync( 'UNKNOWN', viewRoot );
  70. } ).to.throw( CKEditorError, /^renderer-unknown-type/ );
  71. } );
  72. } );
  73. describe( 'render', () => {
  74. let viewRoot, domRoot;
  75. beforeEach( () => {
  76. viewRoot = new ViewElement( 'div' );
  77. domRoot = document.createElement( 'div' );
  78. document.body.appendChild( domRoot );
  79. domConverter.bindElements( domRoot, viewRoot );
  80. renderer.markedTexts.clear();
  81. renderer.markedAttributes.clear();
  82. renderer.markedChildren.clear();
  83. renderer.focusedEditable = viewRoot;
  84. selection.removeAllRanges();
  85. } );
  86. it( 'should update attributes', () => {
  87. viewRoot.setAttribute( 'class', 'foo' );
  88. renderer.markToSync( 'attributes', viewRoot );
  89. renderer.render();
  90. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  91. expect( renderer.markedAttributes.size ).to.equal( 0 );
  92. } );
  93. it( 'should remove attributes', () => {
  94. viewRoot.setAttribute( 'class', 'foo' );
  95. domRoot.setAttribute( 'id', 'bar' );
  96. domRoot.setAttribute( 'class', 'bar' );
  97. renderer.markToSync( 'attributes', viewRoot );
  98. renderer.render();
  99. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  100. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  101. expect( renderer.markedAttributes.size ).to.equal( 0 );
  102. } );
  103. it( 'should add children', () => {
  104. viewRoot.appendChildren( new ViewText( 'foo' ) );
  105. renderer.markToSync( 'children', viewRoot );
  106. renderer.render();
  107. expect( domRoot.childNodes.length ).to.equal( 1 );
  108. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  109. expect( renderer.markedChildren.size ).to.equal( 0 );
  110. } );
  111. it( 'should remove children', () => {
  112. viewRoot.appendChildren( new ViewText( 'foo' ) );
  113. renderer.markToSync( 'children', viewRoot );
  114. renderer.render();
  115. expect( domRoot.childNodes.length ).to.equal( 1 );
  116. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  117. viewRoot.removeChildren( 0, 1 );
  118. renderer.markToSync( 'children', viewRoot );
  119. renderer.render();
  120. expect( domRoot.childNodes.length ).to.equal( 0 );
  121. expect( renderer.markedChildren.size ).to.equal( 0 );
  122. } );
  123. it( 'should update text', () => {
  124. const viewText = new ViewText( 'foo' );
  125. viewRoot.appendChildren( viewText );
  126. renderer.markToSync( 'children', viewRoot );
  127. renderer.render();
  128. expect( domRoot.childNodes.length ).to.equal( 1 );
  129. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  130. viewText.data = 'bar';
  131. renderer.markToSync( 'text', viewText );
  132. renderer.render();
  133. expect( domRoot.childNodes.length ).to.equal( 1 );
  134. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  135. expect( renderer.markedTexts.size ).to.equal( 0 );
  136. } );
  137. it( 'should not update text parent child list changed', () => {
  138. const viewImg = new ViewElement( 'img' );
  139. const viewText = new ViewText( 'foo' );
  140. viewRoot.appendChildren( [ viewImg, viewText ] );
  141. renderer.markToSync( 'children', viewRoot );
  142. renderer.markToSync( 'text', viewText );
  143. renderer.render();
  144. expect( domRoot.childNodes.length ).to.equal( 2 );
  145. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  146. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  147. } );
  148. it( 'should not change text if it is the same during text rendering', () => {
  149. const viewText = new ViewText( 'foo' );
  150. viewRoot.appendChildren( viewText );
  151. renderer.markToSync( 'children', viewRoot );
  152. renderer.render();
  153. // This should not be changed during the render.
  154. const domText = domRoot.childNodes[ 0 ];
  155. renderer.markToSync( 'text', viewText );
  156. renderer.render();
  157. expect( domRoot.childNodes.length ).to.equal( 1 );
  158. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  159. } );
  160. it( 'should not change text if it is the same during children rendering', () => {
  161. const viewText = new ViewText( 'foo' );
  162. viewRoot.appendChildren( viewText );
  163. renderer.markToSync( 'children', viewRoot );
  164. renderer.render();
  165. // This should not be changed during the render.
  166. const domText = domRoot.childNodes[ 0 ];
  167. renderer.markToSync( 'children', viewRoot );
  168. renderer.render();
  169. expect( domRoot.childNodes.length ).to.equal( 1 );
  170. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  171. } );
  172. it( 'should not change element if it is the same', () => {
  173. const viewImg = new ViewElement( 'img' );
  174. viewRoot.appendChildren( viewImg );
  175. // This should not be changed during the render.
  176. const domImg = document.createElement( 'img' );
  177. domRoot.appendChild( domImg );
  178. domConverter.bindElements( domImg, viewImg );
  179. renderer.markToSync( 'children', viewRoot );
  180. renderer.render();
  181. expect( domRoot.childNodes.length ).to.equal( 1 );
  182. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  183. } );
  184. it( 'should change element if it is different', () => {
  185. const viewImg = new ViewElement( 'img' );
  186. viewRoot.appendChildren( viewImg );
  187. renderer.markToSync( 'children', viewRoot );
  188. renderer.render();
  189. const viewP = new ViewElement( 'p' );
  190. viewRoot.removeChildren( 0, 1 );
  191. viewRoot.appendChildren( viewP );
  192. renderer.markToSync( 'children', viewRoot );
  193. renderer.render();
  194. expect( domRoot.childNodes.length ).to.equal( 1 );
  195. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  196. } );
  197. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  198. const domSelection = document.getSelection();
  199. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  200. const { view: viewP, selection: newSelection } = parse(
  201. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  202. viewRoot.appendChildren( viewP );
  203. selection.setTo( newSelection );
  204. renderer.markToSync( 'children', viewRoot );
  205. renderer.render();
  206. expect( domRoot.childNodes.length ).to.equal( 1 );
  207. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  208. const domP = domRoot.childNodes[ 0 ];
  209. expect( domP.childNodes.length ).to.equal( 3 );
  210. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  211. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  212. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  213. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  214. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  215. expect( domSelection.rangeCount ).to.equal( 1 );
  216. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  217. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  218. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  219. // Step 2: No mutation on second render
  220. renderer.markToSync( 'children', viewRoot );
  221. renderer.markToSync( 'children', viewP );
  222. renderAndExpectNoChanges( renderer, domRoot );
  223. // Step 3: <p>foo{}<b></b></p>
  224. selection.removeAllRanges();
  225. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  226. renderer.render();
  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( 0 );
  232. expect( domSelection.rangeCount ).to.equal( 1 );
  233. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  234. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  235. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  236. // Step 4: No mutation on second render
  237. renderer.markToSync( 'children', viewRoot );
  238. renderer.markToSync( 'children', viewP );
  239. renderAndExpectNoChanges( renderer, domRoot );
  240. } );
  241. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  242. const domSelection = document.getSelection();
  243. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  244. const { view: viewP, selection: newSelection } = parse(
  245. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  246. viewRoot.appendChildren( viewP );
  247. selection.setTo( newSelection );
  248. renderer.markToSync( 'children', viewRoot );
  249. renderer.render();
  250. const domP = domRoot.childNodes[ 0 ];
  251. expect( domP.childNodes.length ).to.equal( 2 );
  252. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  253. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  254. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  255. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  256. expect( domSelection.rangeCount ).to.equal( 1 );
  257. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  258. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  259. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  260. // Step 2: No mutation on second render
  261. renderer.markToSync( 'children', viewP );
  262. renderAndExpectNoChanges( renderer, domRoot );
  263. // Step 3: <p><b>{}foo</b></p>
  264. selection.removeAllRanges();
  265. selection.addRange( ViewRange.createFromParentsAndOffsets(
  266. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  267. renderer.render();
  268. expect( domP.childNodes.length ).to.equal( 1 );
  269. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  270. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  271. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  272. expect( domSelection.rangeCount ).to.equal( 1 );
  273. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  274. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  275. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  276. // Step 4: No mutation on second render
  277. renderer.markToSync( 'children', viewP );
  278. renderAndExpectNoChanges( renderer, domRoot );
  279. } );
  280. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  281. const domSelection = document.getSelection();
  282. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  283. const { view: viewP, selection: newSelection } = parse(
  284. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  285. viewRoot.appendChildren( viewP );
  286. selection.setTo( newSelection );
  287. renderer.markToSync( 'children', viewRoot );
  288. renderer.render();
  289. const domP = domRoot.childNodes[ 0 ];
  290. expect( domP.childNodes.length ).to.equal( 2 );
  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( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  295. expect( domSelection.rangeCount ).to.equal( 1 );
  296. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  297. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  298. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  299. // Step 2: No mutation on second render
  300. renderer.markToSync( 'children', viewP );
  301. renderAndExpectNoChanges( renderer, domRoot );
  302. // Step 3: <p><b>foo{}</b></p>
  303. selection.removeAllRanges();
  304. selection.addRange( ViewRange.createFromParentsAndOffsets(
  305. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  306. renderer.render();
  307. expect( domP.childNodes.length ).to.equal( 1 );
  308. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  309. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  310. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  311. expect( domSelection.rangeCount ).to.equal( 1 );
  312. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] .childNodes[ 0 ] );
  313. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  314. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  315. // Step 4: No mutation on second render
  316. renderer.markToSync( 'children', viewP );
  317. renderAndExpectNoChanges( renderer, domRoot );
  318. } );
  319. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  320. const domSelection = document.getSelection();
  321. const { view: viewP, selection: newSelection } = parse(
  322. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  323. viewRoot.appendChildren( viewP );
  324. selection.setTo( newSelection );
  325. renderer.markToSync( 'children', viewRoot );
  326. renderer.render();
  327. const domP = domRoot.childNodes[ 0 ];
  328. expect( domP.childNodes.length ).to.equal( 3 );
  329. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  330. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  331. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  332. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  333. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  334. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  335. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  336. expect( domSelection.rangeCount ).to.equal( 1 );
  337. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  338. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  339. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  340. } );
  341. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  342. const domSelection = document.getSelection();
  343. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  344. viewRoot.appendChildren( viewP );
  345. selection.setTo( newSelection );
  346. renderer.markToSync( 'children', viewRoot );
  347. renderer.render();
  348. const domP = domRoot.childNodes[ 0 ];
  349. expect( domP.childNodes.length ).to.equal( 1 );
  350. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  351. expect( domSelection.rangeCount ).to.equal( 1 );
  352. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  353. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  354. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  355. // Remove filler and add text node to both DOM and View <p>x{}</p>
  356. domP.removeChild( domP.childNodes[ 0 ] );
  357. domP.appendChild( document.createTextNode( 'x' ) );
  358. domSelection.removeAllRanges();
  359. const domRange = new Range();
  360. domRange.setStart( domP.childNodes[ 0 ], 1 );
  361. domRange.collapse( true );
  362. domSelection.addRange( domRange );
  363. const viewText = new ViewText( 'x' );
  364. viewP.appendChildren( viewText );
  365. selection.removeAllRanges();
  366. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  367. renderer.markToSync( 'children', viewP );
  368. renderAndExpectNoChanges( renderer, domRoot );
  369. } );
  370. it( 'should handle typing in empty block, render if needed', () => {
  371. const domSelection = document.getSelection();
  372. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  373. viewRoot.appendChildren( viewP );
  374. selection.setTo( newSelection );
  375. renderer.markToSync( 'children', viewRoot );
  376. renderer.render();
  377. const domP = domRoot.childNodes[ 0 ];
  378. expect( domP.childNodes.length ).to.equal( 1 );
  379. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  380. expect( domSelection.rangeCount ).to.equal( 1 );
  381. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  382. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  383. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  384. // Add text node only in View <p>x{}</p>
  385. const viewText = new ViewText( 'x' );
  386. viewP.appendChildren( viewText );
  387. selection.removeAllRanges();
  388. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  389. renderer.markToSync( 'children', viewP );
  390. renderer.render();
  391. expect( domP.childNodes.length ).to.equal( 1 );
  392. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  393. expect( domSelection.rangeCount ).to.equal( 1 );
  394. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  395. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  396. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  397. } );
  398. it( 'should handle removing last character', () => {
  399. const domSelection = document.getSelection();
  400. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  401. viewRoot.appendChildren( viewP );
  402. selection.setTo( newSelection );
  403. renderer.markToSync( 'children', viewRoot );
  404. renderer.render();
  405. const domP = domRoot.childNodes[ 0 ];
  406. expect( domP.childNodes.length ).to.equal( 1 );
  407. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  408. expect( domSelection.rangeCount ).to.equal( 1 );
  409. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  410. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  411. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  412. // Remove text and add filler to both DOM and View <p>{}</p>
  413. domP.removeChild( domP.childNodes[ 0 ] );
  414. domP.appendChild( BR_FILLER( document ) );
  415. domSelection.removeAllRanges();
  416. const domRange = new Range();
  417. domRange.setStart( domP.childNodes[ 0 ], 0 );
  418. domRange.collapse( true );
  419. domSelection.addRange( domRange );
  420. viewP.removeChildren( 0 );
  421. selection.removeAllRanges();
  422. selection.addRange( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  423. renderer.markToSync( 'children', viewP );
  424. renderAndExpectNoChanges( renderer, domRoot );
  425. } );
  426. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  427. const domSelection = document.getSelection();
  428. const { view: viewP, selection: newSelection } = parse(
  429. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  430. viewRoot.appendChildren( viewP );
  431. selection.setTo( newSelection );
  432. renderer.markToSync( 'children', viewRoot );
  433. renderer.render();
  434. const domP = domRoot.childNodes[ 0 ];
  435. expect( domP.childNodes.length ).to.equal( 2 );
  436. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  437. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  438. const domB = domP.childNodes[ 0 ];
  439. const viewB = viewP.getChild( 0 );
  440. expect( domB.childNodes.length ).to.equal( 1 );
  441. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  442. expect( domSelection.rangeCount ).to.equal( 1 );
  443. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  444. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  445. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  446. // Add text node to both DOM and View <p><b>x</b>foo</p>
  447. domB.childNodes[ 0 ].data += 'x';
  448. domSelection.removeAllRanges();
  449. const domRange = new Range();
  450. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  451. domRange.collapse( true );
  452. domSelection.addRange( domRange );
  453. const viewText = new ViewText( 'x' );
  454. viewB.appendChildren( viewText );
  455. selection.removeAllRanges();
  456. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  457. renderer.markToSync( 'children', viewP );
  458. renderAndExpectNoChanges( renderer, domRoot );
  459. } );
  460. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  461. const domSelection = document.getSelection();
  462. const { view: viewP, selection: newSelection } = parse(
  463. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  464. viewRoot.appendChildren( viewP );
  465. selection.setTo( newSelection );
  466. renderer.markToSync( 'children', viewRoot );
  467. renderer.render();
  468. const domP = domRoot.childNodes[ 0 ];
  469. expect( domP.childNodes.length ).to.equal( 2 );
  470. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  471. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  472. const domB = domP.childNodes[ 0 ];
  473. const viewB = viewP.getChild( 0 );
  474. expect( domB.childNodes.length ).to.equal( 1 );
  475. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  476. expect( domSelection.rangeCount ).to.equal( 1 );
  477. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  478. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  479. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  480. // Add text node only to View <p><b>x</b>foo</p>
  481. const viewText = new ViewText( 'x' );
  482. viewB.appendChildren( viewText );
  483. selection.removeAllRanges();
  484. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  485. renderer.markToSync( 'children', viewB );
  486. renderer.render();
  487. expect( domB.childNodes.length ).to.equal( 1 );
  488. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  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 + 1 );
  492. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  493. } );
  494. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  495. const domSelection = document.getSelection();
  496. const { view: viewP, selection: newSelection } = parse(
  497. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  498. viewRoot.appendChildren( viewP );
  499. selection.setTo( newSelection );
  500. renderer.markToSync( 'children', viewRoot );
  501. renderer.render();
  502. const domP = domRoot.childNodes[ 0 ];
  503. expect( domP.childNodes.length ).to.equal( 2 );
  504. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  505. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  506. const domB = domP.childNodes[ 0 ];
  507. const viewB = viewP.getChild( 0 );
  508. expect( domB.childNodes.length ).to.equal( 1 );
  509. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  510. expect( domSelection.rangeCount ).to.equal( 1 );
  511. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  512. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  513. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  514. // Add text node only to View <p><b>x</b>foo</p>
  515. const viewText = new ViewText( 'x' );
  516. viewB.appendChildren( viewText );
  517. selection.removeAllRanges();
  518. selection.addRange( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  519. renderer.markToSync( 'text', viewText );
  520. renderer.render();
  521. expect( domB.childNodes.length ).to.equal( 1 );
  522. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  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 + 1 );
  526. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  527. } );
  528. it( 'should handle not collapsed range', () => {
  529. const domSelection = document.getSelection();
  530. const { view: viewP, selection: newSelection } = parse(
  531. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  532. viewRoot.appendChildren( viewP );
  533. selection.setTo( newSelection );
  534. renderer.markToSync( 'children', viewRoot );
  535. renderer.render();
  536. const domP = domRoot.childNodes[ 0 ];
  537. expect( domP.childNodes.length ).to.equal( 2 );
  538. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  539. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  540. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  541. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  542. expect( domSelection.rangeCount ).to.equal( 1 );
  543. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  544. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  545. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  546. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  547. renderer.markToSync( 'children', viewP );
  548. renderAndExpectNoChanges( renderer, domRoot );
  549. } );
  550. it( 'should not add inline filler after text node', () => {
  551. const domSelection = document.getSelection();
  552. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  553. viewRoot.appendChildren( viewP );
  554. selection.setTo( newSelection );
  555. renderer.markToSync( 'children', viewRoot );
  556. renderer.render();
  557. const domP = domRoot.childNodes[ 0 ];
  558. expect( domP.childNodes.length ).to.equal( 1 );
  559. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  560. expect( domSelection.rangeCount ).to.equal( 1 );
  561. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  562. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  563. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  564. } );
  565. it( 'should throw if there is no filler in expected position', () => {
  566. const { view: viewP, selection: newSelection } = parse(
  567. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  568. viewRoot.appendChildren( viewP );
  569. selection.setTo( newSelection );
  570. renderer.markToSync( 'children', viewRoot );
  571. renderer.render();
  572. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  573. const viewB = viewP.getChild( 1 );
  574. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  575. // Remove filler.
  576. domB.childNodes[ 0 ].data = '';
  577. selection.removeAllRanges();
  578. renderer.markToSync( 'children', viewB );
  579. expect( () => {
  580. renderer.render();
  581. } ).to.throw();
  582. } );
  583. } );
  584. } );
  585. function renderAndExpectNoChanges( renderer, domRoot ) {
  586. const config = {
  587. childList: true,
  588. characterData: true,
  589. characterDataOldValue: true,
  590. subtree: true
  591. };
  592. const mutationObserver = new window.MutationObserver( () => {
  593. throw 'There should be not mutations';
  594. } );
  595. mutationObserver.observe( domRoot, config );
  596. renderer.render();
  597. const records = mutationObserver.takeRecords();
  598. mutationObserver.disconnect();
  599. expect( records.length ).to.equal( 0 );
  600. }