dom-to-view.js 28 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, 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 ViewRange from '../../../src/view/range';
  8. import ViewSelection from '../../../src/view/selection';
  9. import DomConverter from '../../../src/view/domconverter';
  10. import ViewDocumentFragment from '../../../src/view/documentfragment';
  11. import { INLINE_FILLER, INLINE_FILLER_LENGTH, NBSP_FILLER } from '../../../src/view/filler';
  12. import { parse, stringify } from '../../../src/dev-utils/view';
  13. import count from '@ckeditor/ckeditor5-utils/src/count';
  14. import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';
  15. describe( 'DomConverter', () => {
  16. let converter;
  17. before( () => {
  18. converter = new DomConverter();
  19. } );
  20. describe( 'domToView()', () => {
  21. it( 'should create tree of view elements from DOM elements', () => {
  22. const domImg = createElement( document, 'img' );
  23. const domText = document.createTextNode( 'foo' );
  24. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  25. const viewImg = new ViewElement( 'img' );
  26. converter.bindElements( domImg, viewImg );
  27. const viewP = converter.domToView( domP );
  28. expect( viewP ).to.be.an.instanceof( ViewElement );
  29. expect( viewP.name ).to.equal( 'p' );
  30. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  31. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  32. expect( viewP.childCount ).to.equal( 2 );
  33. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  34. expect( viewP.getChild( 1 ).data ).to.equal( 'foo' );
  35. expect( converter.mapViewToDom( viewP ) ).to.not.equal( domP );
  36. expect( converter.mapViewToDom( viewP.getChild( 0 ) ) ).to.equal( domImg );
  37. } );
  38. it( 'should create tree of view elements from DOM elements and bind elements', () => {
  39. const domImg = createElement( document, 'img' );
  40. const domText = document.createTextNode( 'foo' );
  41. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  42. const viewP = converter.domToView( domP, { bind: true } );
  43. expect( viewP ).to.be.an.instanceof( ViewElement );
  44. expect( viewP.name ).to.equal( 'p' );
  45. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  46. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  47. expect( viewP.childCount ).to.equal( 2 );
  48. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  49. expect( viewP.getChild( 1 ).data ).to.equal( 'foo' );
  50. expect( converter.mapViewToDom( viewP ) ).to.equal( domP );
  51. expect( converter.mapViewToDom( viewP.getChild( 0 ) ) ).to.equal( domP.childNodes[ 0 ] );
  52. } );
  53. it( 'should support unicode', () => {
  54. const domText = document.createTextNode( 'நிலைக்கு' );
  55. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domText ] );
  56. const viewP = converter.domToView( domP, { bind: true } );
  57. expect( viewP.childCount ).to.equal( 1 );
  58. const viewText = viewP.getChild( 0 );
  59. expect( viewText.data ).to.equal( 'நிலைக்கு' );
  60. expect( converter.mapViewToDom( viewP ) ).to.equal( domP );
  61. expect( converter.findCorrespondingDomText( viewP.getChild( 0 ) ) ).to.equal( domP.childNodes[ 0 ] );
  62. } );
  63. it( 'should create tree of view elements from DOM element without children', () => {
  64. const domImg = createElement( document, 'img' );
  65. const domText = document.createTextNode( 'foo' );
  66. const domP = createElement( document, 'p', { 'class': 'foo' }, [ domImg, domText ] );
  67. const viewImg = new ViewElement( 'img' );
  68. converter.bindElements( domImg, viewImg );
  69. const viewP = converter.domToView( domP, { withChildren: false } );
  70. expect( viewP ).to.be.an.instanceof( ViewElement );
  71. expect( viewP.name ).to.equal( 'p' );
  72. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  73. expect( count( viewP.getAttributeKeys() ) ).to.equal( 1 );
  74. expect( viewP.childCount ).to.equal( 0 );
  75. expect( converter.mapViewToDom( viewP ) ).to.not.equal( domP );
  76. } );
  77. it( 'should create view document fragment from DOM document fragment', () => {
  78. const domImg = createElement( document, 'img' );
  79. const domText = document.createTextNode( 'foo' );
  80. const domFragment = document.createDocumentFragment();
  81. domFragment.appendChild( domImg );
  82. domFragment.appendChild( domText );
  83. const viewFragment = converter.domToView( domFragment, { bind: true } );
  84. expect( viewFragment ).to.be.an.instanceof( ViewDocumentFragment );
  85. expect( viewFragment.childCount ).to.equal( 2 );
  86. expect( viewFragment.getChild( 0 ).name ).to.equal( 'img' );
  87. expect( viewFragment.getChild( 1 ).data ).to.equal( 'foo' );
  88. expect( converter.mapViewToDom( viewFragment ) ).to.equal( domFragment );
  89. expect( converter.mapViewToDom( viewFragment.getChild( 0 ) ) ).to.equal( domFragment.childNodes[ 0 ] );
  90. } );
  91. it( 'should create view document fragment from DOM document fragment without children', () => {
  92. const domImg = createElement( document, 'img' );
  93. const domText = document.createTextNode( 'foo' );
  94. const domFragment = document.createDocumentFragment();
  95. domFragment.appendChild( domImg );
  96. domFragment.appendChild( domText );
  97. const viewImg = new ViewElement( 'img' );
  98. converter.bindElements( domImg, viewImg );
  99. const viewFragment = converter.domToView( domFragment, { withChildren: false } );
  100. expect( viewFragment ).to.be.an.instanceof( ViewDocumentFragment );
  101. expect( viewFragment.childCount ).to.equal( 0 );
  102. expect( converter.mapViewToDom( viewFragment ) ).to.not.equal( domFragment );
  103. } );
  104. it( 'should return already bind document fragment', () => {
  105. const domFragment = document.createDocumentFragment();
  106. const viewFragment = new ViewDocumentFragment();
  107. converter.bindDocumentFragments( domFragment, viewFragment );
  108. const viewFragment2 = converter.domToView( domFragment );
  109. expect( viewFragment2 ).to.equal( viewFragment );
  110. } );
  111. it( 'should return null for block filler', () => {
  112. const domFiller = converter.blockFiller( document );
  113. expect( converter.domToView( domFiller ) ).to.be.null;
  114. } );
  115. it( 'should return null for empty text node', () => {
  116. const textNode = document.createTextNode( '' );
  117. expect( converter.domToView( textNode ) ).to.be.null;
  118. } );
  119. it( 'should return null for a comment', () => {
  120. const comment = document.createComment( 'abc' );
  121. expect( converter.domToView( comment ) ).to.be.null;
  122. } );
  123. describe( 'it should clear whitespaces', () => {
  124. it( 'at the beginning of block element', () => {
  125. const domDiv = createElement( document, 'div', {}, [
  126. document.createTextNode( ' ' ),
  127. createElement( document, 'p', {}, [
  128. document.createTextNode( ' foo' )
  129. ] ),
  130. createElement( document, 'p', {}, [
  131. document.createTextNode( ' foo' )
  132. ] )
  133. ] );
  134. const viewDiv = converter.domToView( domDiv );
  135. expect( viewDiv.childCount ).to.equal( 2 );
  136. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  137. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  138. } );
  139. it( 'at the end of block element', () => {
  140. const domDiv = createElement( document, 'div', {}, [
  141. createElement( document, 'p', {}, [
  142. document.createTextNode( 'foo ' )
  143. ] ),
  144. createElement( document, 'p', {}, [
  145. document.createTextNode( 'foo ' )
  146. ] ),
  147. document.createTextNode( ' ' )
  148. ] );
  149. const viewDiv = converter.domToView( domDiv );
  150. expect( viewDiv.childCount ).to.equal( 2 );
  151. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  152. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  153. } );
  154. it( 'after a block element', () => {
  155. const domDiv = createElement( document, 'div', {}, [
  156. createElement( document, 'p', {}, [
  157. document.createTextNode( 'foo' )
  158. ] ),
  159. document.createTextNode( ' ' )
  160. ] );
  161. const viewDiv = converter.domToView( domDiv );
  162. expect( viewDiv.childCount ).to.equal( 1 );
  163. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  164. } );
  165. it( 'after a block element (new line)', () => {
  166. const domDiv = createElement( document, 'div', {}, [
  167. createElement( document, 'p', {}, [
  168. document.createTextNode( 'foo' )
  169. ] ),
  170. document.createTextNode( '\n' )
  171. ] );
  172. const viewDiv = converter.domToView( domDiv );
  173. expect( viewDiv.childCount ).to.equal( 1 );
  174. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  175. } );
  176. it( 'after a block element (carriage return)', () => {
  177. const domDiv = createElement( document, 'div', {}, [
  178. createElement( document, 'p', {}, [
  179. document.createTextNode( 'foo' )
  180. ] ),
  181. document.createTextNode( '\r' )
  182. ] );
  183. const viewDiv = converter.domToView( domDiv );
  184. expect( viewDiv.childCount ).to.equal( 1 );
  185. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  186. } );
  187. it( 'after a block element (tab)', () => {
  188. const domDiv = createElement( document, 'div', {}, [
  189. createElement( document, 'p', {}, [
  190. document.createTextNode( 'foo' )
  191. ] ),
  192. document.createTextNode( '\t' )
  193. ] );
  194. const viewDiv = converter.domToView( domDiv );
  195. expect( viewDiv.childCount ).to.equal( 1 );
  196. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  197. } );
  198. // See https://github.com/ckeditor/ckeditor5-engine/issues/822#issuecomment-311670249
  199. it( 'but preserve all except " \\n\\r\\t"', () => {
  200. const domDiv = createElement( document, 'div', {}, [
  201. createElement( document, 'p', {}, [
  202. document.createTextNode( 'x\fx\vx\u00a0x\u1680x\u2000x\u200ax\u2028x\u2029x\u202fx\u205fx\u3000x\ufeffx' )
  203. ] ),
  204. createElement( document, 'p', {}, [
  205. // x<two spaces>x because it behaved differently than "x<space>x" when I've been fixing this
  206. document.createTextNode( 'x\f\vx\u00a0\u1680x\u2000\u200ax\u2028\u2029x\u202f\u205fx\u3000\ufeffx' )
  207. ] )
  208. ] );
  209. const viewDiv = converter.domToView( domDiv );
  210. expect( viewDiv.childCount ).to.equal( 2 );
  211. expect( viewDiv.getChild( 0 ).getChild( 0 ).data )
  212. .to.equal( 'x\fx\vx\u00a0x\u1680x\u2000x\u200ax\u2028x\u2029x\u202fx\u205fx\u3000x\ufeffx' );
  213. expect( viewDiv.getChild( 1 ).getChild( 0 ).data )
  214. .to.equal( 'x\f\vx\u00a0\u1680x\u2000\u200ax\u2028\u2029x\u202f\u205fx\u3000\ufeffx' );
  215. } );
  216. it( 'before a block element', () => {
  217. const domDiv = createElement( document, 'div', {}, [
  218. document.createTextNode( ' ' ),
  219. createElement( document, 'p', {}, [
  220. document.createTextNode( ' foo' )
  221. ] )
  222. ] );
  223. const viewDiv = converter.domToView( domDiv );
  224. expect( viewDiv.childCount ).to.equal( 1 );
  225. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  226. } );
  227. it( 'before a block element (new line)', () => {
  228. const domDiv = createElement( document, 'div', {}, [
  229. document.createTextNode( '\n' ),
  230. createElement( document, 'p', {}, [
  231. document.createTextNode( 'foo' )
  232. ] )
  233. ] );
  234. const viewDiv = converter.domToView( domDiv );
  235. expect( viewDiv.childCount ).to.equal( 1 );
  236. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foo' );
  237. } );
  238. it( 'multiple consecutive whitespaces changed to one', () => {
  239. const domDiv = createElement( document, 'div', {}, [
  240. createElement( document, 'p', {}, [
  241. document.createTextNode( ' f o o' )
  242. ] ),
  243. createElement( document, 'p', {}, [
  244. document.createTextNode( 'fo o ' )
  245. ] )
  246. ] );
  247. const viewDiv = converter.domToView( domDiv );
  248. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'f o o' );
  249. expect( viewDiv.getChild( 1 ).getChild( 0 ).data ).to.equal( 'fo o' );
  250. } );
  251. it( 'multiple consecutive whitespaces changed to one (tab, new line, carriage return)', () => {
  252. const domDiv = createElement( document, 'div', {}, [
  253. document.createTextNode( '\n\n \t\r\n' ),
  254. createElement( document, 'p', {}, [
  255. document.createTextNode( 'f\n\t\r\n\to\n\n\no' )
  256. ] ),
  257. document.createTextNode( '\n\n \t\r\n' )
  258. ] );
  259. const viewDiv = converter.domToView( domDiv );
  260. expect( viewDiv.childCount ).to.equal( 1 );
  261. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( 'f o o' );
  262. } );
  263. function test( inputTexts, output ) {
  264. if ( typeof inputTexts == 'string' ) {
  265. inputTexts = [ inputTexts ];
  266. }
  267. it( 'spaces in a text node: ' + inputTexts.join( '|' ) + ' -> ' + output, () => {
  268. const domElement = createElement( document, 'div', {}, [] );
  269. for ( const text of inputTexts ) {
  270. domElement.appendChild( document.createTextNode( text.replace( /_/g, '\u00A0' ) ) );
  271. }
  272. const viewElement = converter.domToView( domElement );
  273. let data = '';
  274. for ( const child of viewElement.getChildren() ) {
  275. data += child.data.replace( /\u00A0/g, '_' );
  276. }
  277. expect( data ).to.equal( output );
  278. } );
  279. }
  280. // At the beginning.
  281. test( '_x', ' x' );
  282. test( '_ x', ' x' );
  283. test( '_ _x', ' x' );
  284. test( '_ _ x', ' x' );
  285. // At the end.
  286. test( 'x_', 'x ' );
  287. test( 'x _', 'x ' );
  288. test( 'x_ _', 'x ' );
  289. test( 'x _ _', 'x ' );
  290. // In the middle.
  291. test( 'x x', 'x x' );
  292. test( 'x _x', 'x x' );
  293. test( 'x _ x', 'x x' );
  294. test( 'x _ _x', 'x x' );
  295. // Complex.
  296. test( '_x_', ' x ' );
  297. test( '_ x _x _', ' x x ' );
  298. test( '_ _x x _', ' x x ' );
  299. test( '_ _x x_ _', ' x x ' );
  300. test( '_ _x _ _x_', ' x x ' );
  301. test( '_', ' ' );
  302. // With hard &nbsp;
  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. test( 'x___', 'x__ ' );
  310. // This is an edge case, but it's impossible to write elegant and compact algorithm that is also
  311. // 100% correct. We might assume that expected result is `x _` but it will be converted to `x `
  312. // by the algorithm. This is acceptable, though.
  313. test( '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. test( 'x __ _x', 'x _ x' );
  323. // Two text nodes.
  324. test( [ 'x', 'y' ], 'xy' );
  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. test( [ 'x_ _ ', '_ y' ], 'x y' );
  339. // Some tests with hard &nbsp;
  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. test( [ 'x_ _', ' y' ], 'x_ y' );
  345. it( 'not in preformatted blocks', () => {
  346. const domDiv = createElement( document, 'div', {}, [
  347. createElement( document, 'pre', {}, [
  348. document.createTextNode( ' foo\n foo ' )
  349. ] )
  350. ] );
  351. const viewDiv = converter.domToView( domDiv );
  352. expect( viewDiv.getChild( 0 ).getChild( 0 ).data ).to.equal( ' foo\n foo ' );
  353. } );
  354. //
  355. // See also whitespace-handling-integration.js.
  356. //
  357. } );
  358. } );
  359. describe( 'domChildrenToView', () => {
  360. it( 'should convert children', () => {
  361. const domImg = createElement( document, 'img' );
  362. const domText = document.createTextNode( 'foo' );
  363. const domP = createElement( document, 'p', null, [ domImg, domText ] );
  364. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  365. expect( viewChildren.length ).to.equal( 2 );
  366. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<img></img>' );
  367. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  368. } );
  369. it( 'should skip filler', () => {
  370. const domFiller = converter.blockFiller( document );
  371. const domP = createElement( document, 'p', null, domFiller );
  372. const viewChildren = Array.from( converter.domChildrenToView( domP ) );
  373. expect( viewChildren.length ).to.equal( 0 );
  374. } );
  375. it( 'should pass options', () => {
  376. const domText = document.createTextNode( 'foo' );
  377. const domB = createElement( document, 'b', null, 'bar' );
  378. const domP = createElement( document, 'p', null, [ domB, domText ] );
  379. const viewChildren = Array.from( converter.domChildrenToView( domP, { withChildren: false } ) );
  380. expect( viewChildren.length ).to.equal( 2 );
  381. expect( stringify( viewChildren[ 0 ] ) ).to.equal( '<b></b>' );
  382. expect( stringify( viewChildren[ 1 ] ) ).to.equal( 'foo' );
  383. } );
  384. } );
  385. describe( 'domPositionToView()', () => {
  386. it( 'should converter position in text', () => {
  387. const domText = document.createTextNode( 'foo' );
  388. const domB = createElement( document, 'b', null, 'bar' );
  389. const domP = createElement( document, 'p', null, [ domText, domB ] );
  390. const viewP = parse( '<p>foo<b>bar</b></p>' );
  391. converter.bindElements( domP, viewP );
  392. converter.bindElements( domB, viewP.getChild( 0 ) );
  393. const viewPosition = converter.domPositionToView( domText, 2 );
  394. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>fo{}o<b>bar</b></p>' );
  395. } );
  396. it( 'should support unicode', () => {
  397. const domText = document.createTextNode( 'நிலைக்கு' );
  398. const domP = createElement( document, 'p', null, [ domText ] );
  399. const viewP = parse( '<p>நிலைக்கு</p>' );
  400. converter.bindElements( domP, viewP );
  401. const viewPosition = converter.domPositionToView( domText, 4 );
  402. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>நிலை{}க்கு</p>' );
  403. } );
  404. it( 'should converter position in element', () => {
  405. const domText = document.createTextNode( 'foo' );
  406. const domB = createElement( document, 'b', null, 'bar' );
  407. const domP = createElement( document, 'p', null, [ domText, domB ] );
  408. const viewP = parse( '<p>foo<b>bar</b></p>' );
  409. converter.bindElements( domP, viewP );
  410. converter.bindElements( domB, viewP.getChild( 0 ) );
  411. const viewPosition = converter.domPositionToView( domP, 1 );
  412. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]<b>bar</b></p>' );
  413. } );
  414. it( 'should converter position at the beginning', () => {
  415. const domText = document.createTextNode( 'foo' );
  416. const domP = createElement( document, 'p', null, domText );
  417. const viewP = parse( '<p>foo</p>' );
  418. converter.bindElements( domP, viewP );
  419. const viewPosition = converter.domPositionToView( domP, 0 );
  420. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]foo</p>' );
  421. } );
  422. it( 'should converter position inside block filler', () => {
  423. const converter = new DomConverter( { blockFiller: NBSP_FILLER } );
  424. const domFiller = NBSP_FILLER( document ); // eslint-disable-line new-cap
  425. const domP = createElement( document, 'p', null, domFiller );
  426. const viewP = parse( '<p></p>' );
  427. converter.bindElements( domP, viewP );
  428. const viewPosition = converter.domPositionToView( domFiller, 0 );
  429. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>[]</p>' );
  430. } );
  431. it( 'should converter position inside inline filler', () => {
  432. const domFiller = document.createTextNode( INLINE_FILLER );
  433. const domText = document.createTextNode( 'foo' );
  434. const domB = createElement( document, 'b', null, domFiller );
  435. const domP = createElement( document, 'p', null, [ domText, domB ] );
  436. const viewP = parse( '<p>foo<b></b></p>' );
  437. converter.bindElements( domP, viewP );
  438. converter.bindElements( domB, viewP.getChild( 1 ) );
  439. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH );
  440. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>[]</b></p>' );
  441. } );
  442. it( 'should converter position inside inline filler with text', () => {
  443. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  444. const domText = document.createTextNode( 'foo' );
  445. const domB = createElement( document, 'b', null, domFiller );
  446. const domP = createElement( document, 'p', null, [ domText, domB ] );
  447. const viewP = parse( '<p>foo<b>bar</b></p>' );
  448. converter.bindElements( domP, viewP );
  449. converter.bindElements( domB, viewP.getChild( 1 ) );
  450. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH + 2 );
  451. expect( viewPosition.offset ).to.equal( 2 );
  452. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>ba{}r</b></p>' );
  453. } );
  454. it( 'should converter position inside inline filler with text at the beginning', () => {
  455. const domFiller = document.createTextNode( INLINE_FILLER + 'bar' );
  456. const domText = document.createTextNode( 'foo' );
  457. const domB = createElement( document, 'b', null, domFiller );
  458. const domP = createElement( document, 'p', null, [ domText, domB ] );
  459. const viewP = parse( '<p>foo<b>bar</b></p>' );
  460. converter.bindElements( domP, viewP );
  461. converter.bindElements( domB, viewP.getChild( 1 ) );
  462. const viewPosition = converter.domPositionToView( domFiller, INLINE_FILLER_LENGTH - 1 );
  463. expect( viewPosition.offset ).to.equal( 0 );
  464. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo<b>{}bar</b></p>' );
  465. } );
  466. it( 'should converter position at the end', () => {
  467. const domText = document.createTextNode( 'foo' );
  468. const domP = createElement( document, 'p', null, domText );
  469. const viewP = parse( '<p>foo</p>' );
  470. converter.bindElements( domP, viewP );
  471. const viewPosition = converter.domPositionToView( domP, 1 );
  472. expect( stringify( viewP, viewPosition ) ).to.equal( '<p>foo[]</p>' );
  473. } );
  474. it( 'should return null if there is no corresponding parent node', () => {
  475. const domText = document.createTextNode( 'foo' );
  476. const domP = createElement( document, 'p', null, domText );
  477. const viewPosition = converter.domPositionToView( domP, 0 );
  478. expect( viewPosition ).to.be.null;
  479. } );
  480. it( 'should return null if there is no corresponding sibling node', () => {
  481. const domB = createElement( document, 'b', null, 'bar' );
  482. const domText = document.createTextNode( 'foo' );
  483. const domP = createElement( document, 'p', null, [ domB, domText ] );
  484. const viewPosition = converter.domPositionToView( domP, 1 );
  485. expect( viewPosition ).to.be.null;
  486. } );
  487. it( 'should return null if there is no corresponding text node', () => {
  488. const domText = document.createTextNode( 'foo' );
  489. const viewPosition = converter.domPositionToView( domText, 1 );
  490. expect( viewPosition ).to.be.null;
  491. } );
  492. } );
  493. describe( 'domRangeToView()', () => {
  494. it( 'should converter DOM range', () => {
  495. const domFoo = document.createTextNode( 'foo' );
  496. const domBar = document.createTextNode( 'bar' );
  497. const domB = createElement( document, 'b', null, domBar );
  498. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  499. const viewP = parse( '<p>foo<b>bar</b></p>' );
  500. converter.bindElements( domP, viewP );
  501. converter.bindElements( domB, viewP.getChild( 1 ) );
  502. const domRange = document.createRange();
  503. domRange.setStart( domFoo, 1 );
  504. domRange.setEnd( domBar, 2 );
  505. const viewRange = converter.domRangeToView( domRange );
  506. expect( stringify( viewP, viewRange ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  507. } );
  508. it( 'should return null if start or end is null', () => {
  509. const domFoo = document.createTextNode( 'foo' );
  510. const domBar = document.createTextNode( 'bar' );
  511. const domB = createElement( document, 'b', null, domBar );
  512. createElement( document, 'p', null, [ domFoo, domB ] );
  513. const domRange = document.createRange();
  514. domRange.setStart( domFoo, 1 );
  515. domRange.setEnd( domBar, 2 );
  516. const viewRange = converter.domRangeToView( domRange );
  517. expect( viewRange ).to.be.null;
  518. } );
  519. } );
  520. describe( 'domSelectionToView()', () => {
  521. it( 'should convert selection', () => {
  522. const domFoo = document.createTextNode( 'foo' );
  523. const domBar = document.createTextNode( 'bar' );
  524. const domB = createElement( document, 'b', null, domBar );
  525. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  526. const viewP = parse( '<p>foo<b>bar</b></p>' );
  527. converter.bindElements( domP, viewP );
  528. converter.bindElements( domB, viewP.getChild( 1 ) );
  529. document.body.appendChild( domP );
  530. const domRange = document.createRange();
  531. domRange.setStart( domFoo, 1 );
  532. domRange.setEnd( domBar, 2 );
  533. const domSelection = document.getSelection();
  534. domSelection.removeAllRanges();
  535. domSelection.addRange( domRange );
  536. const viewSelection = converter.domSelectionToView( domSelection );
  537. expect( viewSelection.rangeCount ).to.equal( 1 );
  538. expect( stringify( viewP, viewSelection.getFirstRange() ) ).to.equal( '<p>f{oo<b>ba}r</b></p>' );
  539. domP.remove();
  540. } );
  541. it( 'should convert empty selection to empty selection', () => {
  542. const domSelection = document.getSelection();
  543. domSelection.removeAllRanges();
  544. const viewSelection = converter.domSelectionToView( domSelection );
  545. expect( viewSelection.rangeCount ).to.equal( 0 );
  546. } );
  547. it( 'should handle selection direction', () => {
  548. const domFoo = document.createTextNode( 'foo' );
  549. const domP = createElement( document, 'p', null, [ domFoo ] );
  550. const viewP = parse( '<p>foo</p>' );
  551. converter.bindElements( domP, viewP );
  552. document.body.appendChild( domP );
  553. const domRange = document.createRange();
  554. domRange.setStart( domFoo, 2 );
  555. domRange.collapse( true );
  556. const domSelection = document.getSelection();
  557. domSelection.removeAllRanges();
  558. domSelection.addRange( domRange );
  559. domSelection.extend( domFoo, 1 );
  560. const viewSelection = converter.domSelectionToView( domSelection );
  561. expect( viewSelection.rangeCount ).to.equal( 1 );
  562. expect( viewSelection.anchor.offset ).to.equal( 2 );
  563. expect( viewSelection.focus.offset ).to.equal( 1 );
  564. expect( viewSelection.isBackward ).to.be.true;
  565. domP.remove();
  566. } );
  567. it( 'should not add null ranges', () => {
  568. const domFoo = document.createTextNode( 'foo' );
  569. const domBar = document.createTextNode( 'bar' );
  570. const domB = createElement( document, 'b', null, domBar );
  571. const domP = createElement( document, 'p', null, [ domFoo, domB ] );
  572. document.body.appendChild( domP );
  573. const domRange = document.createRange();
  574. domRange.setStart( domFoo, 1 );
  575. domRange.setEnd( domBar, 2 );
  576. const domSelection = document.getSelection();
  577. domSelection.removeAllRanges();
  578. domSelection.addRange( domRange );
  579. const viewSelection = converter.domSelectionToView( domSelection );
  580. expect( viewSelection.rangeCount ).to.equal( 0 );
  581. domP.remove();
  582. } );
  583. it( 'should return fake selection', () => {
  584. const domContainer = document.createElement( 'div' );
  585. const domSelection = document.getSelection();
  586. domContainer.innerHTML = 'fake selection container';
  587. document.body.appendChild( domContainer );
  588. const viewSelection = new ViewSelection();
  589. viewSelection.addRange( ViewRange.createIn( new ViewElement() ) );
  590. converter.bindFakeSelection( domContainer, viewSelection );
  591. const domRange = document.createRange();
  592. domRange.selectNodeContents( domContainer );
  593. domSelection.removeAllRanges();
  594. domSelection.addRange( domRange );
  595. const bindViewSelection = converter.domSelectionToView( domSelection );
  596. expect( bindViewSelection.isEqual( viewSelection ) ).to.be.true;
  597. domContainer.remove();
  598. } );
  599. it( 'should return fake selection if selection is placed inside text node', () => {
  600. const domContainer = document.createElement( 'div' );
  601. const domSelection = document.getSelection();
  602. domContainer.innerHTML = 'fake selection container';
  603. document.body.appendChild( domContainer );
  604. const viewSelection = new ViewSelection();
  605. viewSelection.addRange( ViewRange.createIn( new ViewElement() ) );
  606. converter.bindFakeSelection( domContainer, viewSelection );
  607. const domRange = document.createRange();
  608. domRange.selectNodeContents( domContainer.firstChild );
  609. domSelection.removeAllRanges();
  610. domSelection.addRange( domRange );
  611. const bindViewSelection = converter.domSelectionToView( domSelection );
  612. expect( bindViewSelection.isEqual( viewSelection ) ).to.be.true;
  613. domContainer.remove();
  614. } );
  615. } );
  616. } );