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dom-to-view.js 22 KB

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  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals Range, document */
  6. /* bender-tags: view, domconverter, browser-only */
  7. import ViewElement from '/ckeditor5/engine/view/element.js';
  8. import DomConverter from '/ckeditor5/engine/view/domconverter.js';
  9. import ViewDocumentFragment from '/ckeditor5/engine/view/documentfragment.js';
  10. import { INLINE_FILLER, INLINE_FILLER_LENGTH, NBSP_FILLER } from '/ckeditor5/engine/view/filler.js';
  11. import { parse, stringify } from '/ckeditor5/engine/dev-utils/view.js';
  12. import count from '/ckeditor5/utils/count.js';
  13. import createElement from '/ckeditor5/utils/dom/createelement.js';
  14. describe( 'DomConverter', () => {
  15. let converter;
  16. before( () => {
  17. converter = new DomConverter();
  18. } );
  19. describe( 'domToView', () => {
  20. it( 'should create tree of view elements from DOM elements', () => {
  21. const domImg = createElement( document, 'img' );
  22. const domText = document.createTextNode( 'foo' );
  23. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  24. const viewImg = new ViewElement( 'img' );
  25. converter.bindElements( domImg, viewImg );
  26. const viewP = converter.domToView( domP );
  27. expect( viewP ).to.be.an.instanceof( ViewElement );
  28. expect( viewP.name ).to.equal( 'p' );
  29. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  30. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  31. expect( viewP.childCount ).to.equal( 2 );
  32. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  33. expect( viewP.getChild( 1 ).data ).to.equal( 'foo' );
  34. expect( converter.getCorrespondingDom( viewP ) ).to.not.equal( domP );
  35. expect( converter.getCorrespondingDom( viewP.getChild( 0 ) ) ).to.equal( domImg );
  36. } );
  37. it( 'should create tree of view elements from DOM elements and bind elements', () => {
  38. const domImg = createElement( document, 'img' );
  39. const domText = document.createTextNode( 'foo' );
  40. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  41. const viewP = converter.domToView( domP, { bind: true } );
  42. expect( viewP ).to.be.an.instanceof( ViewElement );
  43. expect( viewP.name ).to.equal( 'p' );
  44. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  45. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  46. expect( viewP.childCount ).to.equal( 2 );
  47. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  48. expect( viewP.getChild( 1 ).data ).to.equal( 'foo' );
  49. expect( converter.getCorrespondingDom( viewP ) ).to.equal( domP );
  50. expect( converter.getCorrespondingDom( viewP.getChild( 0 ) ) ).to.equal( domP.childNodes[ 0 ] );
  51. } );
  52. it( 'should support unicode', () => {
  53. const domText = document.createTextNode( 'நிலைக்கு' );
  54. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domText ] );
  55. const viewP = converter.domToView( domP, { bind: true } );
  56. expect( viewP.childCount ).to.equal( 1 );
  57. const viewText = viewP.getChild( 0 );
  58. expect( viewText.data ).to.equal( 'நிலைக்கு' );
  59. expect( converter.getCorrespondingDom( viewP ) ).to.equal( domP );
  60. expect( converter.getCorrespondingDom( viewP.getChild( 0 ) ) ).to.equal( domP.childNodes[ 0 ] );
  61. } );
  62. it( 'should create tree of view elements from DOM element without children', () => {
  63. const domImg = createElement( document, 'img' );
  64. const domText = document.createTextNode( 'foo' );
  65. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  66. const viewImg = new ViewElement( 'img' );
  67. converter.bindElements( domImg, viewImg );
  68. const viewP = converter.domToView( domP, { withChildren: false } );
  69. expect( viewP ).to.be.an.instanceof( ViewElement );
  70. expect( viewP.name ).to.equal( 'p' );
  71. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  72. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  73. expect( viewP.childCount ).to.equal( 0 );
  74. expect( converter.getCorrespondingDom( viewP ) ).to.not.equal( domP );
  75. } );
  76. it( 'should create view document fragment from DOM document fragment', () => {
  77. const domImg = createElement( document, 'img' );
  78. const domText = document.createTextNode( 'foo' );
  79. const domFragment = document.createDocumentFragment();
  80. domFragment.appendChild( domImg );
  81. domFragment.appendChild( domText );
  82. const viewFragment = converter.domToView( domFragment, { bind: true } );
  83. expect( viewFragment ).to.be.an.instanceof( ViewDocumentFragment );
  84. expect( viewFragment.childCount ).to.equal( 2 );
  85. expect( viewFragment.getChild( 0 ).name ).to.equal( 'img' );
  86. expect( viewFragment.getChild( 1 ).data ).to.equal( 'foo' );
  87. expect( converter.getCorrespondingDom( viewFragment ) ).to.equal( domFragment );
  88. expect( converter.getCorrespondingDom( viewFragment.getChild( 0 ) ) ).to.equal( domFragment.childNodes[ 0 ] );
  89. } );
  90. it( 'should create view document fragment from DOM document fragment without children', () => {
  91. const domImg = createElement( document, 'img' );
  92. const domText = document.createTextNode( 'foo' );
  93. const domFragment = document.createDocumentFragment();
  94. domFragment.appendChild( domImg );
  95. domFragment.appendChild( domText );
  96. const viewImg = new ViewElement( 'img' );
  97. converter.bindElements( domImg, viewImg );
  98. const viewFragment = converter.domToView( domFragment, { withChildren: false } );
  99. expect( viewFragment ).to.be.an.instanceof( ViewDocumentFragment );
  100. expect( viewFragment.childCount ).to.equal( 0 );
  101. expect( converter.getCorrespondingDom( viewFragment ) ).to.not.equal( domFragment );
  102. } );
  103. it( 'should return already bind document fragment', () => {
  104. const domFragment = document.createDocumentFragment();
  105. const viewFragment = new ViewDocumentFragment();
  106. converter.bindDocumentFragments( domFragment, viewFragment );
  107. const viewFragment2 = converter.domToView( domFragment );
  108. expect( viewFragment2 ).to.equal( viewFragment );
  109. } );
  110. it( 'should return null for block filler', () => {
  111. const domFiller = converter.blockFiller( document );
  112. expect( converter.domToView( domFiller ) ).to.be.null;
  113. } );
  114. it( 'should return null for empty text node', () => {
  115. const textNode = document.createTextNode( '' );
  116. expect( converter.domToView( textNode ) ).to.be.null;
  117. } );
  118. describe( 'it should clear whitespaces', () => {
  119. it( 'at the beginning of block element', () => {
  120. const domDiv = createElement( document, 'div', {}, [
  121. document.createTextNode( ' ' ),
  122. createElement( document, 'p', {}, [
  123. document.createTextNode( ' foo' )
  124. ] ),
  125. createElement( document, 'p', {}, [
  126. document.createTextNode( ' foo' )
  127. ] )
  128. ] );
  129. const viewDiv = converter.domToView( domDiv );
  130. expect( viewDiv.childCount ).to.equal( 2 );
  131. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  132. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  133. } );
  134. it( 'at the end of block element', () => {
  135. const domDiv = createElement( document, 'div', {}, [
  136. createElement( document, 'p', {}, [
  137. document.createTextNode( 'foo ' )
  138. ] ),
  139. createElement( document, 'p', {}, [
  140. document.createTextNode( 'foo ' )
  141. ] ),
  142. document.createTextNode( ' ' )
  143. ] );
  144. const viewDiv = converter.domToView( domDiv );
  145. expect( viewDiv.childCount ).to.equal( 2 );
  146. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  147. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  148. } );
  149. it( 'multiple consecutive whitespaces changed to one', () => {
  150. const domDiv = createElement( document, 'div', {}, [
  151. createElement( document, 'p', {}, [
  152. document.createTextNode( ' f o o' )
  153. ] ),
  154. createElement( document, 'p', {}, [
  155. document.createTextNode( 'fo o ' )
  156. ] )
  157. ] );
  158. const viewDiv = converter.domToView( domDiv );
  159. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'f o o' );
  160. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'fo o' );
  161. } );
  162. function test( inputTexts, output ) {
  163. if ( typeof inputTexts == 'string' ) {
  164. inputTexts = [ inputTexts ];
  165. }
  166. it( 'spaces in a text node: ' + inputTexts.join( '|' ) + ' -> ' + output, () => {
  167. const domElement = createElement( document, 'div', {}, [] );
  168. for ( let text of inputTexts ) {
  169. domElement.appendChild( document.createTextNode( text.replace( /_/g, '\u00A0' ) ) );
  170. }
  171. const viewElement = converter.domToView( domElement );
  172. let data = '';
  173. for ( let child of viewElement.getChildren() ) {
  174. data += child.data.replace( /\u00A0/g, '_' );
  175. }
  176. expect( data ).to.equal( output );
  177. } );
  178. }
  179. // At the beginning.
  180. test( '_x', ' x' );
  181. test( '_ x', ' x' );
  182. test( '_ _x', ' x' );
  183. test( '_ _ x', ' x' );
  184. // At the end.
  185. test( 'x_', 'x ' );
  186. test( 'x _', 'x ' );
  187. test( 'x_ _', 'x ' );
  188. test( 'x _ _', 'x ' );
  189. // In the middle.
  190. test( 'x x', 'x x' );
  191. test( 'x _x', 'x x' );
  192. test( 'x _ x', 'x x' );
  193. test( 'x _ _x', 'x x' );
  194. // Complex.
  195. test( '_x_', ' x ' );
  196. test( '_ x _x _', ' x x ' );
  197. test( '_ _x x _', ' x x ' );
  198. test( '_ _x x_ _', ' x x ' );
  199. test( '_ _x _ _x_', ' x x ' );
  200. test( '_', ' ' );
  201. // With hard  
  202. test( '_x', ' x' );
  203. test( '__x', ' _x' );
  204. test( '___x', ' __x' );
  205. test( '__ x', ' _ x' );
  206. test( 'x_', 'x ' );
  207. test( 'x__', 'x_ ' );
  208. test( 'x___', 'x__ ' );
  209. // This is an edge case, but it's impossible to write elegant and compact algorithm that is also
  210. // 100% correct. We might assume that expected result is `x _` but it will be converted to `x `
  211. // by the algorithm. This is acceptable, though.
  212. test( 'x __', 'x ' );
  213. test( 'x_x', 'x_x' );
  214. test( 'x___x', 'x___x' );
  215. test( 'x____x', 'x____x' );
  216. test( 'x__ x', 'x__ x' );
  217. test( 'x___ x', 'x___ x' );
  218. test( 'x_ _x', 'x_ x' );
  219. test( 'x __x', 'x _x' );
  220. test( 'x _ x', 'x x' );
  221. test( 'x __ _x', 'x _ x' );
  222. // Two text nodes.
  223. test( [ 'x', 'y' ], 'xy' );
  224. test( [ 'x ', 'y' ], 'x y' );
  225. test( [ 'x _', 'y' ], 'x y' );
  226. test( [ 'x _ ', 'y' ], 'x y' );
  227. test( [ 'x _ _', 'y' ], 'x y' );
  228. test( [ 'x', ' y' ], 'x y' );
  229. test( [ 'x ', '_y' ], 'x y' );
  230. test( [ 'x_ ', '_y' ], 'x y' );
  231. test( [ 'x _ ', '_y' ], 'x y' );
  232. test( [ 'x_ _ ', '_y' ], 'x y' );
  233. test( [ 'x', ' _y' ], 'x y' );
  234. test( [ 'x ', '_ y' ], 'x y' );
  235. test( [ 'x_ ', '_ y' ], 'x y' );
  236. test( [ 'x _ ', '_ y' ], 'x y' );
  237. test( [ 'x_ _ ', '_ y' ], 'x y' );
  238. // Some tests with hard  
  239. test( [ 'x', '_y' ], 'x_y' );
  240. test( [ 'x_', 'y' ], 'x_y' );
  241. test( [ 'x_', ' y' ], 'x_ y' );
  242. test( [ 'x__', ' y' ], 'x__ y' );
  243. test( [ 'x_ _', ' y' ], 'x_ y' );
  244. it( 'not in preformatted blocks', () => {
  245. const domDiv = createElement( document, 'div', {}, [
  246. createElement( document, 'pre', {}, [
  247. document.createTextNode( ' foo\n foo ' )
  248. ] )
  249. ] );
  250. const viewDiv = converter.domToView( domDiv );
  251. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( ' foo\n foo ' );
  252. } );
  253. } );
  254. } );
  255. describe( 'domChildrenToView', () => {
  256. it( 'should convert children', () => {
  257. const domImg = createElement( document, 'img' );
  258. const domText = document.createTextNode( 'foo' );
  259. const domP = createElement( document, 'p', null, [ domImg, domText ] );
  260. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  261. expect( viewChildren.length ).to.equal( 2 );
  262. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<img></img>' );
  263. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  264. } );
  265. it( 'should skip filler', () => {
  266. const domFiller = converter.blockFiller( document );
  267. const domP = createElement( document, 'p', null, domFiller );
  268. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  269. expect( viewChildren.length ).to.equal( 0 );
  270. } );
  271. it( 'should pass options', () => {
  272. const domText = document.createTextNode( 'foo' );
  273. const domB = createElement( document, 'b', null, 'bar' );
  274. const domP = createElement( document, 'p', null, [ domB, domText ] );
  275. const viewChildren = Array.from( converter.domChildrenToView( domP, { withChildren: false } ) );
  276. expect( viewChildren.length ).to.equal( 2 );
  277. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<b></b>' );
  278. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  279. } );
  280. } );
  281. describe( 'domPositionToView', () => {
  282. it( 'should converter position in text', () => {
  283. const domText = document.createTextNode( 'foo' );
  284. const domB = createElement( document, 'b', null, 'bar' );
  285. const domP = createElement( document, 'p', null, [ domText, domB ] );
  286. const viewP = parse( '<p>foo<b>bar</b></p>' );
  287. converter.bindElements( domP, viewP );
  288. converter.bindElements( domB, viewP.getChild( 0 ) );
  289. const viewPosition = converter.domPositionToView( domText, 2 );
  290. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>fo{}o<b>bar</b></p>' );
  291. } );
  292. it( 'should support unicode', () => {
  293. const domText = document.createTextNode( 'நிலைக்கு' );
  294. const domP = createElement( document, 'p', null, [ domText ] );
  295. const viewP = parse( '<p>நிலைக்கு</p>' );
  296. converter.bindElements( domP, viewP );
  297. const viewPosition = converter.domPositionToView( domText, 4 );
  298. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>நிலை{}க்கு</p>' );
  299. } );
  300. it( 'should converter position in element', () => {
  301. const domText = document.createTextNode( 'foo' );
  302. const domB = createElement( document, 'b', null, 'bar' );
  303. const domP = createElement( document, 'p', null, [ domText, domB ] );
  304. const viewP = parse( '<p>foo<b>bar</b></p>' );
  305. converter.bindElements( domP, viewP );
  306. converter.bindElements( domB, viewP.getChild( 0 ) );
  307. const viewPosition = converter.domPositionToView( domP, 1 );
  308. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]<b>bar</b></p>' );
  309. } );
  310. it( 'should converter position at the beginning', () => {
  311. const domText = document.createTextNode( 'foo' );
  312. const domP = createElement( document, 'p', null, domText );
  313. const viewP = parse( '<p>foo</p>' );
  314. converter.bindElements( domP, viewP );
  315. const viewPosition = converter.domPositionToView( domP, 0 );
  316. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]foo</p>' );
  317. } );
  318. it( 'should converter position inside block filler', () => {
  319. const converter = new DomConverter( { blockFiller: NBSP_FILLER } );
  320. const domFiller = NBSP_FILLER( document );
  321. const domP = createElement( document, 'p', null, domFiller );
  322. const viewP = parse( '<p></p>' );
  323. converter.bindElements( domP, viewP );
  324. const viewPosition = converter.domPositionToView( domFiller, 0 );
  325. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]</p>' );
  326. } );
  327. it( 'should converter position inside inline filler', () => {
  328. const domFiller = document.createTextNode( INLINE_FILLER );
  329. const domText = document.createTextNode( 'foo' );
  330. const domB = createElement( document, 'b', null, domFiller );
  331. const domP = createElement( document, 'p', null, [ domText, domB ] );
  332. const viewP = parse( '<p>foo<b></b></p>' );
  333. converter.bindElements( domP, viewP );
  334. converter.bindElements( domB, viewP.getChild( 1 ) );
  335. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH );
  336. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>[]</b></p>' );
  337. } );
  338. it( 'should converter position inside inline filler with text', () => {
  339. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  340. const domText = document.createTextNode( 'foo' );
  341. const domB = createElement( document, 'b', null, domFiller );
  342. const domP = createElement( document, 'p', null, [ domText, domB ] );
  343. const viewP = parse( '<p>foo<b>bar</b></p>' );
  344. converter.bindElements( domP, viewP );
  345. converter.bindElements( domB, viewP.getChild( 1 ) );
  346. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH + 2 );
  347. expect( viewPosition.offset ).to.equal( 2 );
  348. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>ba{}r</b></p>' );
  349. } );
  350. it( 'should converter position inside inline filler with text at the beginning', () => {
  351. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  352. const domText = document.createTextNode( 'foo' );
  353. const domB = createElement( document, 'b', null, domFiller );
  354. const domP = createElement( document, 'p', null, [ domText, domB ] );
  355. const viewP = parse( '<p>foo<b>bar</b></p>' );
  356. converter.bindElements( domP, viewP );
  357. converter.bindElements( domB, viewP.getChild( 1 ) );
  358. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH - 1 );
  359. expect( viewPosition.offset ).to.equal( 0 );
  360. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>{}bar</b></p>' );
  361. } );
  362. it( 'should converter position at the end', () => {
  363. const domText = document.createTextNode( 'foo' );
  364. const domP = createElement( document, 'p', null, domText );
  365. const viewP = parse( '<p>foo</p>' );
  366. converter.bindElements( domP, viewP );
  367. const viewPosition = converter.domPositionToView( domP, 1 );
  368. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]</p>' );
  369. } );
  370. it( 'should return null if there is no corresponding parent node', () => {
  371. const domText = document.createTextNode( 'foo' );
  372. const domP = createElement( document, 'p', null, domText );
  373. const viewPosition = converter.domPositionToView( domP, 0 );
  374. expect( viewPosition ).to.be.null;
  375. } );
  376. it( 'should return null if there is no corresponding sibling node', () => {
  377. const domB = createElement( document, 'b', null, 'bar' );
  378. const domText = document.createTextNode( 'foo' );
  379. const domP = createElement( document, 'p', null, [ domB, domText ] );
  380. const viewPosition = converter.domPositionToView( domP, 1 );
  381. expect( viewPosition ).to.be.null;
  382. } );
  383. it( 'should return null if there is no corresponding text node', () => {
  384. const domText = document.createTextNode( 'foo' );
  385. const viewPosition = converter.domPositionToView( domText, 1 );
  386. expect( viewPosition ).to.be.null;
  387. } );
  388. } );
  389. describe( 'domRangeToView', () => {
  390. it( 'should converter DOM range', () => {
  391. const domFoo = document.createTextNode( 'foo' );
  392. const domBar = document.createTextNode( 'bar' );
  393. const domB = createElement( document, 'b', null, domBar );
  394. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  395. const viewP = parse( '<p>foo<b>bar</b></p>' );
  396. converter.bindElements( domP, viewP );
  397. converter.bindElements( domB, viewP.getChild( 1 ) );
  398. const domRange = new Range();
  399. domRange.setStart( domFoo, 1 );
  400. domRange.setEnd( domBar, 2 );
  401. const viewRange = converter.domRangeToView( domRange );
  402. expect( stringify( viewP, viewRange ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  403. } );
  404. it( 'should return null if start or end is null', () => {
  405. const domFoo = document.createTextNode( 'foo' );
  406. const domBar = document.createTextNode( 'bar' );
  407. const domB = createElement( document, 'b', null, domBar );
  408. createElement( document, 'p', null, [ domFoo, domB ] );
  409. const domRange = new Range();
  410. domRange.setStart( domFoo, 1 );
  411. domRange.setEnd( domBar, 2 );
  412. const viewRange = converter.domRangeToView( domRange );
  413. expect( viewRange ).to.be.null;
  414. } );
  415. } );
  416. describe( 'domSelectionToView', () => {
  417. it( 'should convert selection', () => {
  418. const domFoo = document.createTextNode( 'foo' );
  419. const domBar = document.createTextNode( 'bar' );
  420. const domB = createElement( document, 'b', null, domBar );
  421. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  422. const viewP = parse( '<p>foo<b>bar</b></p>' );
  423. converter.bindElements( domP, viewP );
  424. converter.bindElements( domB, viewP.getChild( 1 ) );
  425. document.body.appendChild( domP );
  426. const domRange = new Range();
  427. domRange.setStart( domFoo, 1 );
  428. domRange.setEnd( domBar, 2 );
  429. const domSelection = document.getSelection();
  430. domSelection.removeAllRanges();
  431. domSelection.addRange( domRange );
  432. const viewSelection = converter.domSelectionToView( domSelection );
  433. expect( viewSelection.rangeCount ).to.equal( 1 );
  434. expect( stringify( viewP, viewSelection.getFirstRange() ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  435. } );
  436. it( 'should convert empty selection to empty selection', () => {
  437. const domSelection = document.getSelection();
  438. domSelection.removeAllRanges();
  439. const viewSelection = converter.domSelectionToView( domSelection );
  440. expect( viewSelection.rangeCount ).to.equal( 0 );
  441. } );
  442. it( 'should handle selection direction', () => {
  443. const domFoo = document.createTextNode( 'foo' );
  444. const domP = createElement( document, 'p', null, [ domFoo ] );
  445. const viewP = parse( '<p>foo</p>' );
  446. converter.bindElements( domP, viewP );
  447. document.body.appendChild( domP );
  448. const domRange = new Range();
  449. domRange.setStart( domFoo, 2 );
  450. domRange.collapse( true );
  451. const domSelection = document.getSelection();
  452. domSelection.removeAllRanges();
  453. domSelection.addRange( domRange );
  454. domSelection.extend( domFoo, 1 );
  455. const viewSelection = converter.domSelectionToView( domSelection );
  456. expect( viewSelection.rangeCount ).to.equal( 1 );
  457. expect( viewSelection.anchor.offset ).to.equal( 2 );
  458. expect( viewSelection.focus.offset ).to.equal( 1 );
  459. expect( viewSelection.isBackward ).to.be.true;
  460. } );
  461. it( 'should not add null ranges', () => {
  462. const domFoo = document.createTextNode( 'foo' );
  463. const domBar = document.createTextNode( 'bar' );
  464. const domB = createElement( document, 'b', null, domBar );
  465. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  466. document.body.appendChild( domP );
  467. const domRange = new Range();
  468. domRange.setStart( domFoo, 1 );
  469. domRange.setEnd( domBar, 2 );
  470. const domSelection = document.getSelection();
  471. domSelection.removeAllRanges();
  472. domSelection.addRange( domRange );
  473. const viewSelection = converter.domSelectionToView( domSelection );
  474. expect( viewSelection.rangeCount ).to.equal( 0 );
  475. } );
  476. } );
  477. } );