dom-to-view.js 31 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals document */
  6. import ViewElement from '../../../src/view/element';
  7. import ViewDocumentSelection from '../../../src/view/documentselection';
  8. import DomConverter from '../../../src/view/domconverter';
  9. import ViewDocumentFragment from '../../../src/view/documentfragment';
  10. import { INLINE_FILLER, INLINE_FILLER_LENGTH, NBSP_FILLER } from '../../../src/view/filler';
  11. import { parse, stringify } from '../../../src/dev-utils/view';
  12. import count from '@ckeditor/ckeditor5-utils/src/count';
  13. import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';
  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.mapViewToDom( viewP ) ).to.not.equal( domP );
  35. expect( converter.mapViewToDom( 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.mapViewToDom( viewP ) ).to.equal( domP );
  50. expect( converter.mapViewToDom( 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.mapViewToDom( viewP ) ).to.equal( domP );
  60. expect( converter.findCorrespondingDomText( 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.mapViewToDom( 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.mapViewToDom( viewFragment ) ).to.equal( domFragment );
  88. expect( converter.mapViewToDom( 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.mapViewToDom( 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. it( 'should return null for a comment', () => {
  119. const comment = document.createComment( 'abc' );
  120. expect( converter.domToView( comment ) ).to.be.null;
  121. } );
  122. describe( 'it should clear whitespaces', () => {
  123. it( 'at the beginning of block element', () => {
  124. const domDiv = createElement( document, 'div', {}, [
  125. document.createTextNode( ' ' ),
  126. createElement( document, 'p', {}, [
  127. document.createTextNode( ' foo' )
  128. ] ),
  129. createElement( document, 'p', {}, [
  130. document.createTextNode( ' foo' )
  131. ] )
  132. ] );
  133. const viewDiv = converter.domToView( domDiv );
  134. expect( viewDiv.childCount ).to.equal( 2 );
  135. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  136. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  137. } );
  138. it( 'at the end of block element', () => {
  139. const domDiv = createElement( document, 'div', {}, [
  140. createElement( document, 'p', {}, [
  141. document.createTextNode( 'foo ' )
  142. ] ),
  143. createElement( document, 'p', {}, [
  144. document.createTextNode( 'foo ' )
  145. ] ),
  146. document.createTextNode( ' ' )
  147. ] );
  148. const viewDiv = converter.domToView( domDiv );
  149. expect( viewDiv.childCount ).to.equal( 2 );
  150. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  151. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  152. } );
  153. it( 'after a block element', () => {
  154. const domDiv = createElement( document, 'div', {}, [
  155. createElement( document, 'p', {}, [
  156. document.createTextNode( 'foo' )
  157. ] ),
  158. document.createTextNode( ' ' )
  159. ] );
  160. const viewDiv = converter.domToView( domDiv );
  161. expect( viewDiv.childCount ).to.equal( 1 );
  162. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  163. } );
  164. it( 'after a block element (new line)', () => {
  165. const domDiv = createElement( document, 'div', {}, [
  166. createElement( document, 'p', {}, [
  167. document.createTextNode( 'foo' )
  168. ] ),
  169. document.createTextNode( '\n' )
  170. ] );
  171. const viewDiv = converter.domToView( domDiv );
  172. expect( viewDiv.childCount ).to.equal( 1 );
  173. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  174. } );
  175. it( 'after a block element (carriage return)', () => {
  176. const domDiv = createElement( document, 'div', {}, [
  177. createElement( document, 'p', {}, [
  178. document.createTextNode( 'foo' )
  179. ] ),
  180. document.createTextNode( '\r' )
  181. ] );
  182. const viewDiv = converter.domToView( domDiv );
  183. expect( viewDiv.childCount ).to.equal( 1 );
  184. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  185. } );
  186. it( 'after a block element (tab)', () => {
  187. const domDiv = createElement( document, 'div', {}, [
  188. createElement( document, 'p', {}, [
  189. document.createTextNode( 'foo' )
  190. ] ),
  191. document.createTextNode( '\t' )
  192. ] );
  193. const viewDiv = converter.domToView( domDiv );
  194. expect( viewDiv.childCount ).to.equal( 1 );
  195. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  196. } );
  197. // See https://github.com/ckeditor/ckeditor5-engine/issues/822#issuecomment-311670249
  198. it( 'but preserve all except " \\n\\r\\t"', () => {
  199. const domDiv = createElement( document, 'div', {}, [
  200. createElement( document, 'p', {}, [
  201. document.createTextNode( 'x\fx\vx\u00a0x\u1680x\u2000x\u200ax\u2028x\u2029x\u202fx\u205fx\u3000x\ufeffx' )
  202. ] ),
  203. createElement( document, 'p', {}, [
  204. // x<two spaces>x because it behaved differently than "x<space>x" when I've been fixing this
  205. document.createTextNode( 'x\f\vx\u00a0\u1680x\u2000\u200ax\u2028\u2029x\u202f\u205fx\u3000\ufeffx' )
  206. ] )
  207. ] );
  208. const viewDiv = converter.domToView( domDiv );
  209. expect( viewDiv.childCount ).to.equal( 2 );
  210. expect( viewDiv.getChild( 0 ).getChild( 0 ).data )
  211. .to.equal( 'x\fx\vx\u00a0x\u1680x\u2000x\u200ax\u2028x\u2029x\u202fx\u205fx\u3000x\ufeffx' );
  212. expect( viewDiv.getChild( 1 ).getChild( 0 ).data )
  213. .to.equal( 'x\f\vx\u00a0\u1680x\u2000\u200ax\u2028\u2029x\u202f\u205fx\u3000\ufeffx' );
  214. } );
  215. it( 'before a block element', () => {
  216. const domDiv = createElement( document, 'div', {}, [
  217. document.createTextNode( ' ' ),
  218. createElement( document, 'p', {}, [
  219. document.createTextNode( ' foo' )
  220. ] )
  221. ] );
  222. const viewDiv = converter.domToView( domDiv );
  223. expect( viewDiv.childCount ).to.equal( 1 );
  224. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  225. } );
  226. it( 'before a block element (new line)', () => {
  227. const domDiv = createElement( document, 'div', {}, [
  228. document.createTextNode( '\n' ),
  229. createElement( document, 'p', {}, [
  230. document.createTextNode( 'foo' )
  231. ] )
  232. ] );
  233. const viewDiv = converter.domToView( domDiv );
  234. expect( viewDiv.childCount ).to.equal( 1 );
  235. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  236. } );
  237. it( 'multiple consecutive whitespaces changed to one', () => {
  238. const domDiv = createElement( document, 'div', {}, [
  239. createElement( document, 'p', {}, [
  240. document.createTextNode( ' f o o' )
  241. ] ),
  242. createElement( document, 'p', {}, [
  243. document.createTextNode( 'fo o ' )
  244. ] )
  245. ] );
  246. const viewDiv = converter.domToView( domDiv );
  247. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'f o o' );
  248. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'fo o' );
  249. } );
  250. it( 'multiple consecutive whitespaces changed to one (tab, new line, carriage return)', () => {
  251. const domDiv = createElement( document, 'div', {}, [
  252. document.createTextNode( '\n\n \t\r\n' ),
  253. createElement( document, 'p', {}, [
  254. document.createTextNode( 'f\n\t\r\n\to\n\n\no' )
  255. ] ),
  256. document.createTextNode( '\n\n \t\r\n' )
  257. ] );
  258. const viewDiv = converter.domToView( domDiv );
  259. expect( viewDiv.childCount ).to.equal( 1 );
  260. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'f o o' );
  261. } );
  262. function test( inputTexts, output ) {
  263. if ( typeof inputTexts == 'string' ) {
  264. inputTexts = [ inputTexts ];
  265. }
  266. it( 'spaces in a text node: ' + inputTexts.join( '|' ) + ' -> ' + output, () => {
  267. const domElement = createElement( document, 'div', {}, [] );
  268. for ( const text of inputTexts ) {
  269. domElement.appendChild( document.createTextNode( text.replace( /_/g, '\u00A0' ) ) );
  270. }
  271. const viewElement = converter.domToView( domElement );
  272. let data = '';
  273. for ( const child of viewElement.getChildren() ) {
  274. data += child.data.replace( /\u00A0/g, '_' );
  275. }
  276. expect( data ).to.equal( output );
  277. } );
  278. }
  279. // At the beginning.
  280. test( '_x', ' x' );
  281. test( '_ x', ' x' );
  282. test( '_ _x', ' x' );
  283. test( '_ _ x', ' x' );
  284. // At the end.
  285. test( 'x_', 'x ' );
  286. test( 'x _', 'x ' );
  287. test( 'x_ _', 'x ' );
  288. test( 'x _ _', 'x ' );
  289. // In the middle.
  290. test( 'x x', 'x x' );
  291. test( 'x _x', 'x x' );
  292. test( 'x _ x', 'x x' );
  293. test( 'x _ _x', 'x x' );
  294. // Complex.
  295. test( '_x_', ' x ' );
  296. test( '_ x _x _', ' x x ' );
  297. test( '_ _x x _', ' x x ' );
  298. test( '_ _x x_ _', ' x x ' );
  299. test( '_ _x _ _x_', ' x x ' );
  300. test( '_', ' ' );
  301. // With hard &nbsp;
  302. test( '_x', ' x' );
  303. test( '__x', ' _x' );
  304. test( '___x', ' __x' );
  305. test( '__ x', ' _ x' );
  306. test( 'x_', 'x ' );
  307. test( 'x__', 'x_ ' );
  308. test( 'x___', 'x__ ' );
  309. // This is an edge case, but it's impossible to write elegant and compact algorithm that is also
  310. // 100% correct. We might assume that expected result is `x _` but it will be converted to `x `
  311. // by the algorithm. This is acceptable, though.
  312. test( 'x __', 'x ' );
  313. test( 'x_x', 'x_x' );
  314. test( 'x___x', 'x___x' );
  315. test( 'x____x', 'x____x' );
  316. test( 'x__ x', 'x__ x' );
  317. test( 'x___ x', 'x___ x' );
  318. test( 'x_ _x', 'x_ x' );
  319. test( 'x __x', 'x _x' );
  320. test( 'x _ x', 'x x' );
  321. test( 'x __ _x', 'x _ x' );
  322. // Two text nodes.
  323. test( [ 'x', 'y' ], 'xy' );
  324. test( [ 'x ', 'y' ], 'x y' );
  325. test( [ 'x _', 'y' ], 'x y' );
  326. test( [ 'x _ ', 'y' ], 'x y' );
  327. test( [ 'x _ _', 'y' ], 'x y' );
  328. test( [ 'x', ' y' ], 'x y' );
  329. test( [ 'x ', '_y' ], 'x y' );
  330. test( [ 'x_ ', '_y' ], 'x y' );
  331. test( [ 'x _ ', '_y' ], 'x y' );
  332. test( [ 'x_ _ ', '_y' ], 'x y' );
  333. test( [ 'x', ' _y' ], 'x y' );
  334. test( [ 'x ', '_ y' ], 'x y' );
  335. test( [ 'x_ ', '_ y' ], 'x y' );
  336. test( [ 'x _ ', '_ y' ], 'x y' );
  337. test( [ 'x_ _ ', '_ y' ], 'x y' );
  338. // Some tests with hard &nbsp;
  339. test( [ 'x', '_y' ], 'x_y' );
  340. test( [ 'x_', 'y' ], 'x_y' );
  341. test( [ 'x_', ' y' ], 'x_ y' );
  342. test( [ 'x__', ' y' ], 'x__ y' );
  343. test( [ 'x_ _', ' y' ], 'x_ y' );
  344. it( 'not in preformatted blocks', () => {
  345. const domDiv = createElement( document, 'div', {}, [
  346. createElement( document, 'pre', {}, [
  347. document.createTextNode( ' foo\n foo ' )
  348. ] )
  349. ] );
  350. const viewDiv = converter.domToView( domDiv );
  351. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( ' foo\n foo ' );
  352. } );
  353. // https://github.com/ckeditor/ckeditor5-clipboard/issues/2#issuecomment-310417731
  354. it( 'not in span between two words (space)', () => {
  355. const domDiv = createElement( document, 'div', {}, [
  356. document.createTextNode( 'word' ),
  357. createElement( document, 'span', {}, [
  358. document.createTextNode( ' ' )
  359. ] ),
  360. document.createTextNode( 'word' )
  361. ] );
  362. const viewDiv = converter.domToView( domDiv );
  363. expect( viewDiv.getChild( 1 ).name ).to.equal( 'span' );
  364. expect( viewDiv.getChild( 1 ).childCount ).to.equal( 1 );
  365. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( ' ' );
  366. } );
  367. // https://github.com/ckeditor/ckeditor5-clipboard/issues/2#issuecomment-310417731
  368. it( 'not in span between two words (nbsp)', () => {
  369. const domDiv = createElement( document, 'div', {}, [
  370. document.createTextNode( 'word' ),
  371. createElement( document, 'span', {}, [
  372. document.createTextNode( '\u00a0' )
  373. ] ),
  374. document.createTextNode( 'word' )
  375. ] );
  376. const viewDiv = converter.domToView( domDiv );
  377. expect( viewDiv.getChild( 1 ).name ).to.equal( 'span' );
  378. expect( viewDiv.getChild( 1 ).childCount ).to.equal( 1 );
  379. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( '\u00a0' );
  380. } );
  381. // https://github.com/ckeditor/ckeditor5-clipboard/issues/2#issuecomment-310417731
  382. it( 'not in a Chrome\'s paste-like content', () => {
  383. // Like:
  384. // <span style="color: rgb(0, 0, 0); font-family: Times;">This is the<span>\u00a0</span></span>
  385. // <a href="url" style="font-family: Times; font-size: medium;">third developer preview</a>
  386. const domDiv = createElement( document, 'div', {}, [
  387. createElement( document, 'span', {}, [
  388. document.createTextNode( 'word' ),
  389. createElement( document, 'span', {}, [
  390. document.createTextNode( '\u00a0' )
  391. ] )
  392. ] ),
  393. createElement( document, 'a', {}, [
  394. document.createTextNode( 'word' )
  395. ] )
  396. ] );
  397. const viewDiv = converter.domToView( domDiv );
  398. expect( viewDiv.getChild( 0 ).name ).to.equal( 'span' );
  399. expect( viewDiv.getChild( 0 ).childCount ).to.equal( 2 );
  400. expect( viewDiv.getChild( 0 ).getChild( 1 ).name ).to.equal( 'span' );
  401. expect( viewDiv.getChild( 0 ).getChild( 1 ).childCount ).to.equal( 1 );
  402. expect( viewDiv.getChild( 0 ).getChild( 1 ).getChild( 0 ).data ).to.equal( '\u00a0' );
  403. } );
  404. //
  405. // See also whitespace-handling-integration.js.
  406. //
  407. } );
  408. describe( 'clearing auto filler', () => {
  409. it( 'should remove inline filler when converting dom to view', () => {
  410. const text = document.createTextNode( INLINE_FILLER + 'foo' );
  411. const view = converter.domToView( text );
  412. expect( view.data ).to.equal( 'foo' );
  413. } );
  414. // See https://github.com/ckeditor/ckeditor5/issues/692.
  415. it( 'should not remove space after inline filler if previous node nor next node does not exist', () => {
  416. const text = document.createTextNode( INLINE_FILLER + ' ' );
  417. const view = converter.domToView( text );
  418. expect( view.data ).to.equal( ' ' );
  419. } );
  420. it( 'should convert non breaking space to normal space after inline filler', () => {
  421. const text = document.createTextNode( INLINE_FILLER + '\u00A0' );
  422. const view = converter.domToView( text );
  423. expect( view.data ).to.equal( ' ' );
  424. } );
  425. } );
  426. } );
  427. describe( 'domChildrenToView', () => {
  428. it( 'should convert children', () => {
  429. const domImg = createElement( document, 'img' );
  430. const domText = document.createTextNode( 'foo' );
  431. const domP = createElement( document, 'p', null, [ domImg, domText ] );
  432. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  433. expect( viewChildren.length ).to.equal( 2 );
  434. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<img></img>' );
  435. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  436. } );
  437. it( 'should skip filler', () => {
  438. const domFiller = converter.blockFiller( document );
  439. const domP = createElement( document, 'p', null, domFiller );
  440. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  441. expect( viewChildren.length ).to.equal( 0 );
  442. } );
  443. it( 'should pass options', () => {
  444. const domText = document.createTextNode( 'foo' );
  445. const domB = createElement( document, 'b', null, 'bar' );
  446. const domP = createElement( document, 'p', null, [ domB, domText ] );
  447. const viewChildren = Array.from( converter.domChildrenToView( domP, { withChildren: false } ) );
  448. expect( viewChildren.length ).to.equal( 2 );
  449. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<b></b>' );
  450. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  451. } );
  452. } );
  453. describe( 'domPositionToView()', () => {
  454. it( 'should converter position in text', () => {
  455. const domText = document.createTextNode( 'foo' );
  456. const domB = createElement( document, 'b', null, 'bar' );
  457. const domP = createElement( document, 'p', null, [ domText, domB ] );
  458. const viewP = parse( '<p>foo<b>bar</b></p>' );
  459. converter.bindElements( domP, viewP );
  460. converter.bindElements( domB, viewP.getChild( 0 ) );
  461. const viewPosition = converter.domPositionToView( domText, 2 );
  462. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>fo{}o<b>bar</b></p>' );
  463. } );
  464. it( 'should support unicode', () => {
  465. const domText = document.createTextNode( 'நிலைக்கு' );
  466. const domP = createElement( document, 'p', null, [ domText ] );
  467. const viewP = parse( '<p>நிலைக்கு</p>' );
  468. converter.bindElements( domP, viewP );
  469. const viewPosition = converter.domPositionToView( domText, 4 );
  470. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>நிலை{}க்கு</p>' );
  471. } );
  472. it( 'should converter position in element', () => {
  473. const domText = document.createTextNode( 'foo' );
  474. const domB = createElement( document, 'b', null, 'bar' );
  475. const domP = createElement( document, 'p', null, [ domText, domB ] );
  476. const viewP = parse( '<p>foo<b>bar</b></p>' );
  477. converter.bindElements( domP, viewP );
  478. converter.bindElements( domB, viewP.getChild( 0 ) );
  479. const viewPosition = converter.domPositionToView( domP, 1 );
  480. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]<b>bar</b></p>' );
  481. } );
  482. it( 'should converter position at the beginning', () => {
  483. const domText = document.createTextNode( 'foo' );
  484. const domP = createElement( document, 'p', null, domText );
  485. const viewP = parse( '<p>foo</p>' );
  486. converter.bindElements( domP, viewP );
  487. const viewPosition = converter.domPositionToView( domP, 0 );
  488. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]foo</p>' );
  489. } );
  490. it( 'should converter position inside block filler', () => {
  491. const converter = new DomConverter( { blockFiller: NBSP_FILLER } );
  492. const domFiller = NBSP_FILLER( document ); // eslint-disable-line new-cap
  493. const domP = createElement( document, 'p', null, domFiller );
  494. const viewP = parse( '<p></p>' );
  495. converter.bindElements( domP, viewP );
  496. const viewPosition = converter.domPositionToView( domFiller, 0 );
  497. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]</p>' );
  498. } );
  499. it( 'should converter position inside inline filler', () => {
  500. const domFiller = document.createTextNode( INLINE_FILLER );
  501. const domText = document.createTextNode( 'foo' );
  502. const domB = createElement( document, 'b', null, domFiller );
  503. const domP = createElement( document, 'p', null, [ domText, domB ] );
  504. const viewP = parse( '<p>foo<b></b></p>' );
  505. converter.bindElements( domP, viewP );
  506. converter.bindElements( domB, viewP.getChild( 1 ) );
  507. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH );
  508. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>[]</b></p>' );
  509. } );
  510. it( 'should converter position inside inline filler with text', () => {
  511. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  512. const domText = document.createTextNode( 'foo' );
  513. const domB = createElement( document, 'b', null, domFiller );
  514. const domP = createElement( document, 'p', null, [ domText, domB ] );
  515. const viewP = parse( '<p>foo<b>bar</b></p>' );
  516. converter.bindElements( domP, viewP );
  517. converter.bindElements( domB, viewP.getChild( 1 ) );
  518. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH + 2 );
  519. expect( viewPosition.offset ).to.equal( 2 );
  520. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>ba{}r</b></p>' );
  521. } );
  522. it( 'should converter position inside inline filler with text at the beginning', () => {
  523. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  524. const domText = document.createTextNode( 'foo' );
  525. const domB = createElement( document, 'b', null, domFiller );
  526. const domP = createElement( document, 'p', null, [ domText, domB ] );
  527. const viewP = parse( '<p>foo<b>bar</b></p>' );
  528. converter.bindElements( domP, viewP );
  529. converter.bindElements( domB, viewP.getChild( 1 ) );
  530. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH - 1 );
  531. expect( viewPosition.offset ).to.equal( 0 );
  532. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>{}bar</b></p>' );
  533. } );
  534. it( 'should converter position at the end', () => {
  535. const domText = document.createTextNode( 'foo' );
  536. const domP = createElement( document, 'p', null, domText );
  537. const viewP = parse( '<p>foo</p>' );
  538. converter.bindElements( domP, viewP );
  539. const viewPosition = converter.domPositionToView( domP, 1 );
  540. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]</p>' );
  541. } );
  542. it( 'should return null if there is no corresponding parent node', () => {
  543. const domText = document.createTextNode( 'foo' );
  544. const domP = createElement( document, 'p', null, domText );
  545. const viewPosition = converter.domPositionToView( domP, 0 );
  546. expect( viewPosition ).to.be.null;
  547. } );
  548. it( 'should return null if there is no corresponding sibling node', () => {
  549. const domB = createElement( document, 'b', null, 'bar' );
  550. const domText = document.createTextNode( 'foo' );
  551. const domP = createElement( document, 'p', null, [ domB, domText ] );
  552. const viewPosition = converter.domPositionToView( domP, 1 );
  553. expect( viewPosition ).to.be.null;
  554. } );
  555. it( 'should return null if there is no corresponding text node', () => {
  556. const domText = document.createTextNode( 'foo' );
  557. const viewPosition = converter.domPositionToView( domText, 1 );
  558. expect( viewPosition ).to.be.null;
  559. } );
  560. } );
  561. describe( 'domRangeToView()', () => {
  562. it( 'should converter DOM range', () => {
  563. const domFoo = document.createTextNode( 'foo' );
  564. const domBar = document.createTextNode( 'bar' );
  565. const domB = createElement( document, 'b', null, domBar );
  566. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  567. const viewP = parse( '<p>foo<b>bar</b></p>' );
  568. converter.bindElements( domP, viewP );
  569. converter.bindElements( domB, viewP.getChild( 1 ) );
  570. const domRange = document.createRange();
  571. domRange.setStart( domFoo, 1 );
  572. domRange.setEnd( domBar, 2 );
  573. const viewRange = converter.domRangeToView( domRange );
  574. expect( stringify( viewP, viewRange ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  575. } );
  576. it( 'should return null if start or end is null', () => {
  577. const domFoo = document.createTextNode( 'foo' );
  578. const domBar = document.createTextNode( 'bar' );
  579. const domB = createElement( document, 'b', null, domBar );
  580. createElement( document, 'p', null, [ domFoo, domB ] );
  581. const domRange = document.createRange();
  582. domRange.setStart( domFoo, 1 );
  583. domRange.setEnd( domBar, 2 );
  584. const viewRange = converter.domRangeToView( domRange );
  585. expect( viewRange ).to.be.null;
  586. } );
  587. } );
  588. describe( 'domSelectionToView()', () => {
  589. it( 'should convert selection', () => {
  590. const domFoo = document.createTextNode( 'foo' );
  591. const domBar = document.createTextNode( 'bar' );
  592. const domB = createElement( document, 'b', null, domBar );
  593. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  594. const viewP = parse( '<p>foo<b>bar</b></p>' );
  595. converter.bindElements( domP, viewP );
  596. converter.bindElements( domB, viewP.getChild( 1 ) );
  597. document.body.appendChild( domP );
  598. const domRange = document.createRange();
  599. domRange.setStart( domFoo, 1 );
  600. domRange.setEnd( domBar, 2 );
  601. const domSelection = document.getSelection();
  602. domSelection.removeAllRanges();
  603. domSelection.addRange( domRange );
  604. const viewSelection = converter.domSelectionToView( domSelection );
  605. expect( viewSelection.rangeCount ).to.equal( 1 );
  606. expect( stringify( viewP, viewSelection.getFirstRange() ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  607. domP.remove();
  608. } );
  609. it( 'should convert empty selection to empty selection', () => {
  610. const domSelection = document.getSelection();
  611. domSelection.removeAllRanges();
  612. const viewSelection = converter.domSelectionToView( domSelection );
  613. expect( viewSelection.rangeCount ).to.equal( 0 );
  614. } );
  615. it( 'should handle selection direction', () => {
  616. const domFoo = document.createTextNode( 'foo' );
  617. const domP = createElement( document, 'p', null, [ domFoo ] );
  618. const viewP = parse( '<p>foo</p>' );
  619. converter.bindElements( domP, viewP );
  620. document.body.appendChild( domP );
  621. const domRange = document.createRange();
  622. domRange.setStart( domFoo, 2 );
  623. domRange.collapse( true );
  624. const domSelection = document.getSelection();
  625. domSelection.removeAllRanges();
  626. domSelection.addRange( domRange );
  627. domSelection.extend( domFoo, 1 );
  628. const viewSelection = converter.domSelectionToView( domSelection );
  629. expect( viewSelection.rangeCount ).to.equal( 1 );
  630. expect( viewSelection.anchor.offset ).to.equal( 2 );
  631. expect( viewSelection.focus.offset ).to.equal( 1 );
  632. expect( viewSelection.isBackward ).to.be.true;
  633. domP.remove();
  634. } );
  635. it( 'should not add null ranges', () => {
  636. const domFoo = document.createTextNode( 'foo' );
  637. const domBar = document.createTextNode( 'bar' );
  638. const domB = createElement( document, 'b', null, domBar );
  639. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  640. document.body.appendChild( domP );
  641. const domRange = document.createRange();
  642. domRange.setStart( domFoo, 1 );
  643. domRange.setEnd( domBar, 2 );
  644. const domSelection = document.getSelection();
  645. domSelection.removeAllRanges();
  646. domSelection.addRange( domRange );
  647. const viewSelection = converter.domSelectionToView( domSelection );
  648. expect( viewSelection.rangeCount ).to.equal( 0 );
  649. domP.remove();
  650. } );
  651. it( 'should return fake selection', () => {
  652. const domContainer = document.createElement( 'div' );
  653. const domSelection = document.getSelection();
  654. domContainer.innerHTML = 'fake selection container';
  655. document.body.appendChild( domContainer );
  656. const viewSelection = new ViewDocumentSelection( new ViewElement(), 'in' );
  657. converter.bindFakeSelection( domContainer, viewSelection );
  658. const domRange = document.createRange();
  659. domRange.selectNodeContents( domContainer );
  660. domSelection.removeAllRanges();
  661. domSelection.addRange( domRange );
  662. const bindViewSelection = converter.domSelectionToView( domSelection );
  663. expect( bindViewSelection.isEqual( viewSelection ) ).to.be.true;
  664. domContainer.remove();
  665. } );
  666. it( 'should return fake selection if selection is placed inside text node', () => {
  667. const domContainer = document.createElement( 'div' );
  668. const domSelection = document.getSelection();
  669. domContainer.innerHTML = 'fake selection container';
  670. document.body.appendChild( domContainer );
  671. const viewSelection = new ViewDocumentSelection( new ViewElement(), 'in' );
  672. converter.bindFakeSelection( domContainer, viewSelection );
  673. const domRange = document.createRange();
  674. domRange.selectNodeContents( domContainer.firstChild );
  675. domSelection.removeAllRanges();
  676. domSelection.addRange( domRange );
  677. const bindViewSelection = converter.domSelectionToView( domSelection );
  678. expect( bindViewSelection.isEqual( viewSelection ) ).to.be.true;
  679. domContainer.remove();
  680. } );
  681. } );
  682. } );