mapper.js 33 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. import Mapper from '../../src/conversion/mapper';
  6. import ModelElement from '../../src/model/element';
  7. import ModelRootElement from '../../src/model/rootelement';
  8. import ModelText from '../../src/model/text';
  9. import ModelPosition from '../../src/model/position';
  10. import ModelRange from '../../src/model/range';
  11. import ViewDocument from '../../src/view/document';
  12. import ViewElement from '../../src/view/element';
  13. import ViewUIElement from '../../src/view/uielement';
  14. import ViewText from '../../src/view/text';
  15. import ViewPosition from '../../src/view/position';
  16. import ViewRange from '../../src/view/range';
  17. import { StylesProcessor } from '../../src/view/stylesmap';
  18. describe( 'Mapper', () => {
  19. let viewDocument;
  20. beforeEach( () => {
  21. viewDocument = new ViewDocument( new StylesProcessor() );
  22. } );
  23. describe( 'clearBindings', () => {
  24. it( 'should remove all mapping', () => {
  25. const viewA = new ViewElement( viewDocument, 'a' );
  26. const viewB = new ViewElement( viewDocument, 'b' );
  27. const viewC = new ViewElement( viewDocument, 'c' );
  28. const viewD = new ViewElement( viewDocument, 'd' );
  29. const modelA = new ModelElement( 'a' );
  30. const modelB = new ModelElement( 'b' );
  31. const modelC = new ModelElement( 'c' );
  32. const modelD = new ModelElement( 'd' );
  33. const mapper = new Mapper();
  34. mapper.bindElements( modelA, viewA );
  35. mapper.bindElements( modelB, viewB );
  36. mapper.bindElements( modelC, viewC );
  37. mapper.bindElements( modelD, viewD );
  38. mapper.bindElementToMarker( viewA, 'foo' );
  39. mapper.bindElementToMarker( viewD, 'foo' );
  40. mapper.bindElementToMarker( viewD, 'bar' );
  41. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  42. expect( mapper.toModelElement( viewB ) ).to.equal( modelB );
  43. expect( mapper.toModelElement( viewC ) ).to.equal( modelC );
  44. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  45. expect( mapper.toViewElement( modelB ) ).to.equal( viewB );
  46. expect( mapper.toViewElement( modelC ) ).to.equal( viewC );
  47. expect( Array.from( mapper.markerNameToElements( 'foo' ) ) ).to.deep.equal( [ viewA, viewD ] );
  48. mapper.unbindViewElement( viewD );
  49. mapper.clearBindings();
  50. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  51. expect( mapper.toModelElement( viewB ) ).to.be.undefined;
  52. expect( mapper.toModelElement( viewC ) ).to.be.undefined;
  53. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  54. expect( mapper.toViewElement( modelB ) ).to.be.undefined;
  55. expect( mapper.toViewElement( modelC ) ).to.be.undefined;
  56. expect( mapper.markerNameToElements( 'foo' ) ).to.be.null;
  57. expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] );
  58. } );
  59. } );
  60. describe( 'unbindModelElement', () => {
  61. it( 'should remove binding between given model element and view element that it was bound to', () => {
  62. const viewA = new ViewElement( viewDocument, 'a' );
  63. const modelA = new ModelElement( 'a' );
  64. const mapper = new Mapper();
  65. mapper.bindElements( modelA, viewA );
  66. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  67. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  68. mapper.unbindModelElement( modelA );
  69. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  70. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  71. } );
  72. it( 'should not remove binding between view and model element if view element got rebound', () => {
  73. const viewA = new ViewElement( viewDocument, 'a' );
  74. const modelA = new ModelElement( 'a' );
  75. const modelB = new ModelElement( 'b' );
  76. const mapper = new Mapper();
  77. mapper.bindElements( modelA, viewA );
  78. mapper.bindElements( modelB, viewA );
  79. // `modelA` is still bound to `viewA` even though `viewA` got rebound.
  80. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  81. mapper.unbindModelElement( modelA );
  82. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  83. expect( mapper.toModelElement( viewA ) ).to.equal( modelB );
  84. } );
  85. } );
  86. describe( 'unbindViewElement', () => {
  87. it( 'should remove binding between given view element and model element that it was bound to', () => {
  88. const viewA = new ViewElement( viewDocument, 'a' );
  89. const modelA = new ModelElement( 'a' );
  90. const mapper = new Mapper();
  91. mapper.bindElements( modelA, viewA );
  92. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  93. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  94. mapper.unbindViewElement( viewA );
  95. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  96. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  97. } );
  98. it( 'should not remove binding between model and view element if model element got rebound', () => {
  99. const viewA = new ViewElement( viewDocument, 'a' );
  100. const viewB = new ViewElement( viewDocument, 'b' );
  101. const modelA = new ModelElement( 'a' );
  102. const mapper = new Mapper();
  103. mapper.bindElements( modelA, viewA );
  104. mapper.bindElements( modelA, viewB );
  105. // `viewA` is still bound to `modelA`, even though `modelA` got rebound.
  106. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  107. mapper.unbindViewElement( viewA );
  108. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  109. expect( mapper.toViewElement( modelA ) ).to.equal( viewB );
  110. } );
  111. } );
  112. describe( 'Standard mapping', () => {
  113. let modelDiv, modelP, modelImg,
  114. viewDiv, viewP, viewB, viewI, viewU, viewSup, viewImg,
  115. viewTextB, viewTextO, viewTextM, viewTextX, viewTextY, viewTextZZ, viewTextFOO, viewTextBAR,
  116. mapper;
  117. beforeEach( () => {
  118. // Tree Model:
  119. //
  120. // <div> ---> modelDiv
  121. // ├─ x
  122. // ├─ <p> ---> modelP
  123. // │ ├─ y
  124. // │ ├─ f {b,i}
  125. // │ ├─ o {b,i}
  126. // │ ├─ o {b,i}
  127. // │ ├─ b
  128. // │ ├─ a
  129. // │ ├─ r
  130. // │ ├─ <img> ---> modelImg
  131. // │ ├─ b {u}
  132. // │ ├─ o {u,sup}
  133. // │ └─ m {u}
  134. // ├─ z
  135. // └─ z
  136. //
  137. // Tree View:
  138. //
  139. // <div> ---> viewDiv
  140. // ├─ x ---> viewTextX
  141. // ├─ <p> ---> viewP
  142. // │ ├─ y ---> viewTextY
  143. // │ ├─ <b> ---> viewB
  144. // │ │ └─ <i> ---> viewI
  145. // │ │ └─ foo ---> viewTextFOO
  146. // │ ├─ bar ---> viewTextBAR
  147. // │ ├─ <img> ---> viewImg
  148. // │ └─ <u> ---> viewU
  149. // │ ├─ b ---> viewTextB
  150. // │ ├─ <sup> ---> viewSup
  151. // │ │ └─ o ---> viewTextO
  152. // │ └─ m ---> viewTextM
  153. // └─ zz ---> viewTextZZ
  154. modelImg = new ModelElement( 'img' );
  155. modelP = new ModelElement( 'p', {}, [
  156. new ModelText( 'y' ),
  157. new ModelText( 'foo', { b: true, i: true } ),
  158. new ModelText( 'bar' ),
  159. modelImg,
  160. new ModelText( 'b', { u: true } ),
  161. new ModelText( 'o', { u: true, sup: true } ),
  162. new ModelText( 'm', { u: true } )
  163. ] );
  164. modelDiv = new ModelRootElement();
  165. modelDiv._appendChild( [
  166. new ModelText( 'x' ),
  167. modelP,
  168. new ModelText( 'zz' )
  169. ] );
  170. viewTextB = new ViewText( viewDocument, 'b' );
  171. viewTextO = new ViewText( viewDocument, 'o' );
  172. viewTextM = new ViewText( viewDocument, 'm' );
  173. viewTextX = new ViewText( viewDocument, 'x' );
  174. viewTextY = new ViewText( viewDocument, 'y' );
  175. viewTextZZ = new ViewText( viewDocument, 'zz' );
  176. viewTextFOO = new ViewText( viewDocument, 'foo' );
  177. viewTextBAR = new ViewText( viewDocument, 'bar' );
  178. viewImg = new ViewElement( viewDocument, 'img' );
  179. viewSup = new ViewElement( viewDocument, 'sup', {}, [ viewTextO ] );
  180. viewU = new ViewElement( viewDocument, 'u', {}, [ viewTextB, viewSup, viewTextM ] );
  181. viewI = new ViewElement( viewDocument, 'i', {}, [ viewTextFOO ] );
  182. viewB = new ViewElement( viewDocument, 'b', {}, [ viewI ] );
  183. viewP = new ViewElement( viewDocument, 'p', {}, [ viewTextY, viewB, viewTextBAR, viewImg, viewU ] );
  184. viewDiv = new ViewElement( viewDocument, 'div', {}, [ viewTextX, viewP, viewTextZZ ] );
  185. mapper = new Mapper();
  186. mapper.bindElements( modelP, viewP );
  187. mapper.bindElements( modelDiv, viewDiv );
  188. mapper.bindElements( modelImg, viewImg );
  189. } );
  190. describe( 'toModelElement', () => {
  191. it( 'should return corresponding model element', () => {
  192. expect( mapper.toModelElement( viewP ) ).to.equal( modelP );
  193. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  194. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  195. } );
  196. } );
  197. describe( 'toViewElement', () => {
  198. it( 'should return corresponding view element', () => {
  199. expect( mapper.toViewElement( modelP ) ).to.equal( viewP );
  200. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  201. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  202. } );
  203. } );
  204. describe( 'toModelPosition', () => {
  205. it( 'should fire viewToModelPosition event and return value calculated in callback to that event', () => {
  206. const viewPosition = new ViewPosition( viewDiv, 0 );
  207. const stub = {};
  208. mapper.on( 'viewToModelPosition', ( evt, data ) => {
  209. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  210. data.modelPosition = stub;
  211. // Do not stop the event. Test whether default algorithm was not called if data.modelPosition is already set.
  212. } );
  213. const result = mapper.toModelPosition( viewPosition );
  214. expect( result ).to.equal( stub );
  215. } );
  216. it( 'should be possible to add custom position mapping callback after default callback', () => {
  217. const viewPosition = new ViewPosition( viewDiv, 0 );
  218. // Model position to which default algorithm should map `viewPosition`.
  219. // This mapping is tested in a test below.
  220. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  221. const stub = {};
  222. mapper.on( 'viewToModelPosition', ( evt, data ) => {
  223. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  224. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  225. data.modelPosition = stub;
  226. }, { priority: 'low' } );
  227. const result = mapper.toModelPosition( viewPosition );
  228. expect( result ).to.equal( stub );
  229. } );
  230. // Default algorithm tests.
  231. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  232. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  233. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  234. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  235. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  236. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  237. it( 'should transform viewP 0', () => createToModelTest( viewP, 0, modelP, 0 ) );
  238. it( 'should transform viewP 1', () => createToModelTest( viewP, 1, modelP, 1 ) );
  239. it( 'should transform viewP 2', () => createToModelTest( viewP, 2, modelP, 4 ) );
  240. it( 'should transform viewP 3', () => createToModelTest( viewP, 3, modelP, 7 ) );
  241. it( 'should transform viewP 4', () => createToModelTest( viewP, 4, modelP, 8 ) );
  242. it( 'should transform viewP 5', () => createToModelTest( viewP, 5, modelP, 11 ) );
  243. it( 'should transform viewTextY 0', () => createToModelTest( viewTextY, 0, modelP, 0 ) );
  244. it( 'should transform viewTextY 1', () => createToModelTest( viewTextY, 1, modelP, 1 ) );
  245. it( 'should transform viewB 0', () => createToModelTest( viewB, 0, modelP, 1 ) );
  246. it( 'should transform viewB 1', () => createToModelTest( viewB, 1, modelP, 4 ) );
  247. it( 'should transform viewI 0', () => createToModelTest( viewI, 0, modelP, 1 ) );
  248. it( 'should transform viewI 1', () => createToModelTest( viewI, 1, modelP, 4 ) );
  249. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelP, 1 ) );
  250. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelP, 2 ) );
  251. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelP, 3 ) );
  252. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelP, 4 ) );
  253. it( 'should transform viewTextBAR 0', () => createToModelTest( viewTextBAR, 0, modelP, 4 ) );
  254. it( 'should transform viewTextBAR 1', () => createToModelTest( viewTextBAR, 1, modelP, 5 ) );
  255. it( 'should transform viewTextBAR 2', () => createToModelTest( viewTextBAR, 2, modelP, 6 ) );
  256. it( 'should transform viewTextBAR 3', () => createToModelTest( viewTextBAR, 3, modelP, 7 ) );
  257. it( 'should transform viewU 0', () => createToModelTest( viewU, 0, modelP, 8 ) );
  258. it( 'should transform viewU 1', () => createToModelTest( viewU, 1, modelP, 9 ) );
  259. it( 'should transform viewU 2', () => createToModelTest( viewU, 2, modelP, 10 ) );
  260. it( 'should transform viewU 3', () => createToModelTest( viewU, 3, modelP, 11 ) );
  261. it( 'should transform viewTextB 0', () => createToModelTest( viewTextB, 0, modelP, 8 ) );
  262. it( 'should transform viewTextB 1', () => createToModelTest( viewTextB, 1, modelP, 9 ) );
  263. it( 'should transform viewSup 0', () => createToModelTest( viewSup, 0, modelP, 9 ) );
  264. it( 'should transform viewSup 1', () => createToModelTest( viewSup, 1, modelP, 10 ) );
  265. it( 'should transform viewTextO 0', () => createToModelTest( viewTextO, 0, modelP, 9 ) );
  266. it( 'should transform viewTextO 1', () => createToModelTest( viewTextO, 1, modelP, 10 ) );
  267. it( 'should transform viewTextM 0', () => createToModelTest( viewTextM, 0, modelP, 10 ) );
  268. it( 'should transform viewTextM 1', () => createToModelTest( viewTextM, 1, modelP, 11 ) );
  269. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  270. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  271. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  272. } );
  273. describe( 'toViewPosition', () => {
  274. it( 'should fire modelToViewPosition event and return value calculated in callback to that event', () => {
  275. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  276. const stub = {};
  277. mapper.on( 'modelToViewPosition', ( evt, data ) => {
  278. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  279. data.viewPosition = stub;
  280. // Do not stop the event. Test whether default algorithm was not called if data.viewPosition is already set.
  281. } );
  282. const result = mapper.toViewPosition( modelPosition );
  283. expect( result ).to.equal( stub );
  284. } );
  285. it( 'should be possible to add custom position mapping callback after default callback', () => {
  286. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  287. // View position to which default algorithm should map `viewPosition`.
  288. // This mapping is tested in a test below.
  289. const viewPosition = new ViewPosition( viewTextX, 0 );
  290. const stub = {};
  291. mapper.on( 'modelToViewPosition', ( evt, data ) => {
  292. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  293. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  294. data.viewPosition = stub;
  295. }, { priority: 'low' } );
  296. const result = mapper.toViewPosition( modelPosition );
  297. expect( result ).to.equal( stub );
  298. } );
  299. // Default algorithm tests.
  300. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  301. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  302. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  303. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  304. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  305. it( 'should transform modelP 0', () => createToViewTest( modelP, 0, viewTextY, 0 ) );
  306. it( 'should transform modelP 1', () => createToViewTest( modelP, 1, viewTextY, 1 ) );
  307. it( 'should transform modelP 2', () => createToViewTest( modelP, 2, viewTextFOO, 1 ) );
  308. it( 'should transform modelP 3', () => createToViewTest( modelP, 3, viewTextFOO, 2 ) );
  309. it( 'should transform modelP 4', () => createToViewTest( modelP, 4, viewTextBAR, 0 ) );
  310. it( 'should transform modelP 5', () => createToViewTest( modelP, 5, viewTextBAR, 1 ) );
  311. it( 'should transform modelP 6', () => createToViewTest( modelP, 6, viewTextBAR, 2 ) );
  312. it( 'should transform modelP 7', () => createToViewTest( modelP, 7, viewTextBAR, 3 ) );
  313. it( 'should transform modelP 8', () => createToViewTest( modelP, 8, viewP, 4 ) );
  314. it( 'should transform modelP 9', () => createToViewTest( modelP, 9, viewTextB, 1 ) );
  315. it( 'should transform modelP 10', () => createToViewTest( modelP, 10, viewTextM, 0 ) );
  316. it( 'should transform modelP 11', () => createToViewTest( modelP, 11, viewP, 5 ) );
  317. } );
  318. describe( 'toModelRange', () => {
  319. it( 'should transform range', () => {
  320. const viewRange = ViewRange._createFromParentsAndOffsets( viewDiv, 0, viewTextFOO, 2 );
  321. const modelRange = mapper.toModelRange( viewRange );
  322. expect( modelRange.start.parent ).to.equal( modelDiv );
  323. expect( modelRange.start.offset ).to.equal( 0 );
  324. expect( modelRange.end.parent ).to.equal( modelP );
  325. expect( modelRange.end.offset ).to.equal( 3 );
  326. } );
  327. } );
  328. describe( 'toViewRange', () => {
  329. it( 'should transform range', () => {
  330. const modelRange = new ModelRange( ModelPosition._createAt( modelDiv, 0 ), ModelPosition._createAt( modelP, 3 ) );
  331. const viewRange = mapper.toViewRange( modelRange );
  332. expect( viewRange.start.parent ).to.equal( viewTextX );
  333. expect( viewRange.start.offset ).to.equal( 0 );
  334. expect( viewRange.end.parent ).to.equal( viewTextFOO );
  335. expect( viewRange.end.offset ).to.equal( 2 );
  336. } );
  337. } );
  338. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  339. const modelPosition = ModelPosition._createAt( modelElement, modelOffset );
  340. const viewPosition = mapper.toViewPosition( modelPosition );
  341. expect( viewPosition.parent ).to.equal( viewElement );
  342. expect( viewPosition.offset ).to.equal( viewOffset );
  343. }
  344. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  345. const viewPosition = new ViewPosition( viewElement, viewOffset );
  346. const modelPosition = mapper.toModelPosition( viewPosition );
  347. expect( modelPosition.parent ).to.equal( modelElement );
  348. expect( modelPosition.offset ).to.equal( modelOffset );
  349. }
  350. } );
  351. describe( 'Widget mapping', () => {
  352. let modelDiv, modelWidget, modelImg, modelCaption,
  353. viewDiv, viewWidget, viewMask, viewWrapper, viewImg, viewCaption,
  354. viewTextX, viewTextFOO, viewTextZZ, viewTextLABEL,
  355. mapper;
  356. before( () => {
  357. // Tree Model:
  358. //
  359. // <div> ---> modelDiv
  360. // ├─ x
  361. // ├─ <widget> ---> modelWidget
  362. // │ ├─ <img> ---> modelImg
  363. // │ └─ <caption> ---> modelCaption
  364. // │ ├─ f
  365. // │ ├─ o
  366. // │ └─ o
  367. // ├─ z
  368. // └─ z
  369. //
  370. // Tree View:
  371. //
  372. // <div> ---> viewDiv
  373. // ├─ x ---> viewTextX
  374. // ├─ <widget> ---> viewWidget
  375. // │ ├─ <mask> ---> viewMask
  376. // │ │ └─ label ---> viewTextLABEL
  377. // │ └─ <wrapper> ---> viewWrapper
  378. // │ ├─ <img> ---> viewImg
  379. // │ └─ <caption> ---> viewCaption
  380. // │ └─ foo ---> viewTextFOO
  381. // └─ zz ---> viewTextZZ
  382. modelImg = new ModelElement( 'img' );
  383. modelCaption = new ModelElement( 'caption', {}, new ModelText( 'foo' ) );
  384. modelWidget = new ModelElement( 'widget', {}, [ modelImg, modelCaption ] );
  385. modelDiv = new ModelRootElement();
  386. modelDiv._appendChild( [ new ModelText( 'x' ), modelWidget, new ModelText( 'zz' ) ] );
  387. viewTextX = new ViewText( viewDocument, 'y' );
  388. viewTextZZ = new ViewText( viewDocument, 'zz' );
  389. viewTextFOO = new ViewText( viewDocument, 'foo' );
  390. viewTextLABEL = new ViewText( viewDocument, 'label' );
  391. viewImg = new ViewElement( viewDocument, 'img' );
  392. viewMask = new ViewElement( viewDocument, 'mask', {}, [ viewTextLABEL ] );
  393. viewCaption = new ViewElement( viewDocument, 'caption', {}, [ viewTextFOO ] );
  394. viewWrapper = new ViewElement( viewDocument, 'wrapper', {}, [ viewImg, viewCaption ] );
  395. viewWidget = new ViewElement( viewDocument, 'widget', [ viewMask, viewWrapper ] );
  396. viewDiv = new ViewElement( viewDocument, 'div', {}, [ viewTextX, viewWidget, viewTextZZ ] );
  397. mapper = new Mapper();
  398. mapper.bindElements( modelDiv, viewDiv );
  399. mapper.bindElements( modelWidget, viewWidget );
  400. mapper.bindElements( modelImg, viewImg );
  401. mapper.bindElements( modelCaption, viewCaption );
  402. } );
  403. describe( 'toModelElement', () => {
  404. it( 'should return corresponding model element', () => {
  405. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  406. expect( mapper.toModelElement( viewWidget ) ).to.equal( modelWidget );
  407. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  408. expect( mapper.toModelElement( viewCaption ) ).to.equal( modelCaption );
  409. } );
  410. } );
  411. describe( 'toViewElement', () => {
  412. it( 'should return corresponding view element', () => {
  413. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  414. expect( mapper.toViewElement( modelWidget ) ).to.equal( viewWidget );
  415. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  416. expect( mapper.toViewElement( modelCaption ) ).to.equal( viewCaption );
  417. } );
  418. } );
  419. describe( 'toModelPosition', () => {
  420. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  421. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  422. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  423. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  424. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  425. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  426. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  427. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  428. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  429. it( 'should transform viewImg 0', () => createToModelTest( viewImg, 0, modelImg, 0 ) );
  430. it( 'should transform viewCaption 0', () => createToModelTest( viewCaption, 0, modelCaption, 0 ) );
  431. it( 'should transform viewCaption 1', () => createToModelTest( viewCaption, 1, modelCaption, 3 ) );
  432. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelCaption, 0 ) );
  433. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelCaption, 1 ) );
  434. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelCaption, 2 ) );
  435. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelCaption, 3 ) );
  436. } );
  437. describe( 'toViewPosition', () => {
  438. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  439. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  440. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  441. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  442. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  443. it( 'should transform modelImg 0', () => createToViewTest( modelImg, 0, viewImg, 0 ) );
  444. it( 'should transform modelCaption 0', () => createToViewTest( modelCaption, 0, viewTextFOO, 0 ) );
  445. it( 'should transform modelCaption 1', () => createToViewTest( modelCaption, 1, viewTextFOO, 1 ) );
  446. it( 'should transform modelCaption 2', () => createToViewTest( modelCaption, 2, viewTextFOO, 2 ) );
  447. it( 'should transform modelCaption 3', () => createToViewTest( modelCaption, 3, viewTextFOO, 3 ) );
  448. } );
  449. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  450. const modelPosition = ModelPosition._createAt( modelElement, modelOffset );
  451. const viewPosition = mapper.toViewPosition( modelPosition );
  452. expect( viewPosition.parent ).to.equal( viewElement );
  453. expect( viewPosition.offset ).to.equal( viewOffset );
  454. }
  455. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  456. const viewPosition = new ViewPosition( viewElement, viewOffset );
  457. const modelPosition = mapper.toModelPosition( viewPosition );
  458. expect( modelPosition.parent ).to.equal( modelElement );
  459. expect( modelPosition.offset ).to.equal( modelOffset );
  460. }
  461. } );
  462. describe( 'List mapping (test registerViewToModelLength)', () => {
  463. let mapper, modelRoot, viewRoot,
  464. modelListItem1, modelListItem2,
  465. modelListItem11, modelListItem12,
  466. viewList, viewListNested,
  467. viewListItem1, viewListItem2,
  468. viewListItem11, viewListItem12;
  469. before( () => {
  470. modelListItem1 = new ModelElement( 'listItem', null, new ModelText( 'aaa' ) );
  471. modelListItem11 = new ModelElement( 'listItem', null, new ModelText( 'bbb' ) );
  472. modelListItem12 = new ModelElement( 'listItem', null, new ModelText( 'ccc' ) );
  473. modelListItem2 = new ModelElement( 'listItem', null, new ModelText( 'xxx' ) );
  474. modelRoot = new ModelRootElement( 'root', null, [ modelListItem1, modelListItem11, modelListItem12, modelListItem2 ] );
  475. viewListItem11 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'bbb' ) );
  476. viewListItem12 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'ccc' ) );
  477. viewListNested = new ViewElement( viewDocument, 'ul', null, [ viewListItem11, viewListItem12 ] );
  478. viewListItem1 = new ViewElement( viewDocument, 'li', null, [ new ViewText( viewDocument, 'aaa' ), viewListNested ] );
  479. viewListItem2 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'ddd' ) );
  480. viewList = new ViewElement( viewDocument, 'ul', null, [ viewListItem1, viewListItem2 ] );
  481. viewRoot = new ViewElement( viewDocument, 'div', null, viewList );
  482. mapper = new Mapper();
  483. mapper.bindElements( modelRoot, viewRoot );
  484. mapper.bindElements( modelListItem1, viewListItem1 );
  485. mapper.bindElements( modelListItem11, viewListItem11 );
  486. mapper.bindElements( modelListItem12, viewListItem12 );
  487. mapper.bindElements( modelListItem2, viewListItem2 );
  488. function getViewListItemLength( element ) {
  489. let length = 1;
  490. for ( const child of element.getChildren() ) {
  491. if ( child.name == 'ul' || child.name == 'ol' ) {
  492. for ( const item of child.getChildren() ) {
  493. length += getViewListItemLength( item );
  494. }
  495. }
  496. }
  497. return length;
  498. }
  499. mapper.registerViewToModelLength( 'li', getViewListItemLength );
  500. } );
  501. describe( 'toModelPosition', () => {
  502. it( 'should transform viewRoot 0', () => createToModelTest( viewRoot, 0, modelRoot, 0 ) );
  503. it( 'should transform viewRoot 1', () => createToModelTest( viewRoot, 1, modelRoot, 4 ) );
  504. it( 'should transform viewList 0', () => createToModelTest( viewList, 0, modelRoot, 0 ) );
  505. it( 'should transform viewList 1', () => createToModelTest( viewList, 1, modelRoot, 3 ) );
  506. it( 'should transform viewList 2', () => createToModelTest( viewList, 2, modelRoot, 4 ) );
  507. } );
  508. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  509. const viewPosition = new ViewPosition( viewElement, viewOffset );
  510. const modelPosition = mapper.toModelPosition( viewPosition );
  511. expect( modelPosition.parent ).to.equal( modelElement );
  512. expect( modelPosition.offset ).to.equal( modelOffset );
  513. }
  514. } );
  515. describe( 'Markers mapping', () => {
  516. let mapper;
  517. beforeEach( () => {
  518. mapper = new Mapper();
  519. } );
  520. it( 'should bind element to a marker name', () => {
  521. const view = new ViewElement( viewDocument, 'a' );
  522. mapper.bindElementToMarker( view, 'marker' );
  523. const elements = mapper.markerNameToElements( 'marker' );
  524. expect( elements ).to.be.instanceof( Set );
  525. expect( elements.size ).to.equal( 1 );
  526. expect( elements.has( view ) ).to.be.true;
  527. } );
  528. it( 'should bind multiple elements to a marker name', () => {
  529. const viewA = new ViewElement( viewDocument, 'a' );
  530. const viewB = new ViewElement( viewDocument, 'b' );
  531. const viewC = new ViewElement( viewDocument, 'c' );
  532. mapper.bindElementToMarker( viewA, 'marker' );
  533. mapper.bindElementToMarker( viewB, 'marker' );
  534. mapper.bindElementToMarker( viewC, 'marker' );
  535. const elements = Array.from( mapper.markerNameToElements( 'marker' ) );
  536. expect( elements ).to.deep.equal( [ viewA, viewB, viewC ] );
  537. } );
  538. it( 'should unbind element from a marker name', () => {
  539. const viewA = new ViewElement( viewDocument, 'a' );
  540. const viewB = new ViewElement( viewDocument, 'b' );
  541. mapper.bindElementToMarker( viewA, 'marker' );
  542. mapper.bindElementToMarker( viewA, 'markerB' );
  543. mapper.bindElementToMarker( viewB, 'marker' );
  544. mapper.unbindElementFromMarkerName( viewA, 'marker' );
  545. expect( Array.from( mapper.markerNameToElements( 'marker' ) ) ).to.deep.equal( [ viewB ] );
  546. expect( Array.from( mapper.markerNameToElements( 'markerB' ) ) ).to.deep.equal( [ viewA ] );
  547. mapper.unbindElementFromMarkerName( viewB, 'marker' );
  548. expect( mapper.markerNameToElements( 'marker' ) ).to.be.null;
  549. // Removing an element from non-existing group or non-bound element should not cause a crash.
  550. mapper.unbindElementFromMarkerName( viewB, 'marker' );
  551. expect( mapper.markerNameToElements( 'marker' ) ).to.be.null;
  552. } );
  553. } );
  554. it( 'should pass isPhantom flag to model-to-view position mapping callback', () => {
  555. const mapper = new Mapper();
  556. mapper.on( 'modelToViewPosition', ( evt, data ) => {
  557. expect( data.isPhantom ).to.be.true;
  558. evt.stop();
  559. } );
  560. mapper.toViewPosition( {}, { isPhantom: true } );
  561. } );
  562. describe( 'getModelLength', () => {
  563. let mapper;
  564. beforeEach( () => {
  565. mapper = new Mapper();
  566. } );
  567. it( 'should return length according to callback added by registerViewToModelLength', () => {
  568. const viewElement = new ViewElement( viewDocument, 'span' );
  569. mapper.registerViewToModelLength( 'span', () => 4 );
  570. expect( mapper.getModelLength( viewElement ) ).to.equal( 4 );
  571. } );
  572. it( 'should return 1 for mapped elements', () => {
  573. const viewElement = new ViewElement( viewDocument, 'span' );
  574. const modelElement = new ModelElement( 'span' );
  575. mapper.bindElements( modelElement, viewElement );
  576. expect( mapper.getModelLength( viewElement ) ).to.equal( 1 );
  577. } );
  578. it( 'should return 0 for ui elements', () => {
  579. const viewUiElement = new ViewUIElement( viewDocument, 'span' );
  580. expect( mapper.getModelLength( viewUiElement ) ).to.equal( 0 );
  581. } );
  582. it( 'should return length of data for text nodes', () => {
  583. const viewText = new ViewText( viewDocument, 'foo' );
  584. expect( mapper.getModelLength( viewText ) ).to.equal( 3 );
  585. } );
  586. it( 'should return sum of length of children for unmapped element', () => {
  587. const modelP = new ModelElement( 'p' );
  588. const viewP = new ViewElement( viewDocument, 'p' );
  589. const viewUi = new ViewUIElement( viewDocument, 'span' );
  590. const viewFoo = new ViewText( viewDocument, 'foo' );
  591. const viewCallback = new ViewElement( viewDocument, 'xxx' );
  592. const viewDiv = new ViewElement( viewDocument, 'div', null, [ viewP, viewUi, viewFoo, viewCallback ] );
  593. mapper.bindElements( modelP, viewP );
  594. mapper.registerViewToModelLength( 'xxx', () => 2 );
  595. expect( mapper.getModelLength( viewDiv ) ).to.equal( 6 );
  596. } );
  597. } );
  598. describe( 'findMappedViewAncestor()', () => {
  599. it( 'should return for given view position the closest ancestor which is mapped to a model element', () => {
  600. const mapper = new Mapper();
  601. const modelP = new ModelElement( 'p' );
  602. const modelDiv = new ModelElement( 'div' );
  603. const viewText = new ViewText( viewDocument, 'foo' );
  604. const viewSpan = new ViewElement( viewDocument, 'span', null, viewText );
  605. const viewP = new ViewElement( viewDocument, 'p', null, viewSpan );
  606. const viewDiv = new ViewElement( viewDocument, 'div', null, viewP );
  607. mapper.bindElements( modelP, viewP );
  608. mapper.bindElements( modelDiv, viewDiv );
  609. // <div><p><span>f{}oo</span></p></div>
  610. const viewPosition = new ViewPosition( viewText, 1 );
  611. const viewMappedAncestor = mapper.findMappedViewAncestor( viewPosition );
  612. expect( viewMappedAncestor ).to.equal( viewP );
  613. } );
  614. } );
  615. describe( 'flushUnboundMarkerNames()', () => {
  616. it( 'should return marker names of markers which elements has been unbound and clear that list', () => {
  617. const viewA = new ViewElement( viewDocument, 'a' );
  618. const viewB = new ViewElement( viewDocument, 'b' );
  619. const mapper = new Mapper();
  620. mapper.bindElementToMarker( viewA, 'foo' );
  621. mapper.bindElementToMarker( viewA, 'bar' );
  622. mapper.bindElementToMarker( viewB, 'bar' );
  623. mapper.unbindViewElement( viewA );
  624. expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [ 'foo', 'bar' ] );
  625. expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] );
  626. mapper.unbindViewElement( viewB );
  627. expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [ 'bar' ] );
  628. expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] );
  629. } );
  630. } );
  631. } );