mapper.js 27 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626
  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  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 ViewElement from '../../src/view/element';
  12. import ViewUIElement from '../../src/view/uielement';
  13. import ViewText from '../../src/view/text';
  14. import ViewPosition from '../../src/view/position';
  15. import ViewRange from '../../src/view/range';
  16. describe( 'Mapper', () => {
  17. describe( 'clearBindings', () => {
  18. it( 'should remove all mapping', () => {
  19. const viewA = new ViewElement( 'a' );
  20. const viewB = new ViewElement( 'b' );
  21. const viewC = new ViewElement( 'c' );
  22. const modelA = new ModelElement( 'a' );
  23. const modelB = new ModelElement( 'b' );
  24. const modelC = new ModelElement( 'c' );
  25. const mapper = new Mapper();
  26. mapper.bindElements( modelA, viewA );
  27. mapper.bindElements( modelB, viewB );
  28. mapper.bindElements( modelC, viewC );
  29. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  30. expect( mapper.toModelElement( viewB ) ).to.equal( modelB );
  31. expect( mapper.toModelElement( viewC ) ).to.equal( modelC );
  32. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  33. expect( mapper.toViewElement( modelB ) ).to.equal( viewB );
  34. expect( mapper.toViewElement( modelC ) ).to.equal( viewC );
  35. mapper.clearBindings();
  36. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  37. expect( mapper.toModelElement( viewB ) ).to.be.undefined;
  38. expect( mapper.toModelElement( viewC ) ).to.be.undefined;
  39. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  40. expect( mapper.toViewElement( modelB ) ).to.be.undefined;
  41. expect( mapper.toViewElement( modelC ) ).to.be.undefined;
  42. } );
  43. } );
  44. describe( 'unbindModelElement', () => {
  45. it( 'should remove binding between given model element and view element that it was bound to', () => {
  46. const viewA = new ViewElement( 'a' );
  47. const modelA = new ModelElement( 'a' );
  48. const mapper = new Mapper();
  49. mapper.bindElements( modelA, viewA );
  50. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  51. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  52. mapper.unbindModelElement( modelA );
  53. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  54. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  55. } );
  56. } );
  57. describe( 'unbindViewElement', () => {
  58. it( 'should remove binding between given view element and model element that it was bound to', () => {
  59. const viewA = new ViewElement( 'a' );
  60. const modelA = new ModelElement( 'a' );
  61. const mapper = new Mapper();
  62. mapper.bindElements( modelA, viewA );
  63. expect( mapper.toModelElement( viewA ) ).to.equal( modelA );
  64. expect( mapper.toViewElement( modelA ) ).to.equal( viewA );
  65. mapper.unbindViewElement( viewA );
  66. expect( mapper.toModelElement( viewA ) ).to.be.undefined;
  67. expect( mapper.toViewElement( modelA ) ).to.be.undefined;
  68. } );
  69. } );
  70. describe( 'Standard mapping', () => {
  71. let modelDiv, modelP, modelImg,
  72. viewDiv, viewP, viewB, viewI, viewU, viewSup, viewImg,
  73. viewTextB, viewTextO, viewTextM, viewTextX, viewTextY, viewTextZZ, viewTextFOO, viewTextBAR,
  74. mapper;
  75. beforeEach( () => {
  76. // Tree Model:
  77. //
  78. // <div> ---> modelDiv
  79. // ├─ x
  80. // ├─ <p> ---> modelP
  81. // │ ├─ y
  82. // │ ├─ f {b,i}
  83. // │ ├─ o {b,i}
  84. // │ ├─ o {b,i}
  85. // │ ├─ b
  86. // │ ├─ a
  87. // │ ├─ r
  88. // │ ├─ <img> ---> modelImg
  89. // │ ├─ b {u}
  90. // │ ├─ o {u,sup}
  91. // │ └─ m {u}
  92. // ├─ z
  93. // └─ z
  94. //
  95. // Tree View:
  96. //
  97. // <div> ---> viewDiv
  98. // ├─ x ---> viewTextX
  99. // ├─ <p> ---> viewP
  100. // │ ├─ y ---> viewTextY
  101. // │ ├─ <b> ---> viewB
  102. // │ │ └─ <i> ---> viewI
  103. // │ │ └─ foo ---> viewTextFOO
  104. // │ ├─ bar ---> viewTextBAR
  105. // │ ├─ <img> ---> viewImg
  106. // │ └─ <u> ---> viewU
  107. // │ ├─ b ---> viewTextB
  108. // │ ├─ <sup> ---> viewSup
  109. // │ │ └─ o ---> viewTextO
  110. // │ └─ m ---> viewTextM
  111. // └─ zz ---> viewTextZZ
  112. modelImg = new ModelElement( 'img' );
  113. modelP = new ModelElement( 'p', {}, [
  114. new ModelText( 'y' ),
  115. new ModelText( 'foo', { b: true, i: true } ),
  116. new ModelText( 'bar' ),
  117. modelImg,
  118. new ModelText( 'b', { u: true } ),
  119. new ModelText( 'o', { u: true, sup: true } ),
  120. new ModelText( 'm', { u: true } )
  121. ] );
  122. modelDiv = new ModelRootElement();
  123. modelDiv.appendChildren( [
  124. new ModelText( 'x' ),
  125. modelP,
  126. new ModelText( 'zz' )
  127. ] );
  128. viewTextB = new ViewText( 'b' );
  129. viewTextO = new ViewText( 'o' );
  130. viewTextM = new ViewText( 'm' );
  131. viewTextX = new ViewText( 'x' );
  132. viewTextY = new ViewText( 'y' );
  133. viewTextZZ = new ViewText( 'zz' );
  134. viewTextFOO = new ViewText( 'foo' );
  135. viewTextBAR = new ViewText( 'bar' );
  136. viewImg = new ViewElement( 'img' );
  137. viewSup = new ViewElement( 'sup', {}, [ viewTextO ] );
  138. viewU = new ViewElement( 'u', {}, [ viewTextB, viewSup, viewTextM ] );
  139. viewI = new ViewElement( 'i', {}, [ viewTextFOO ] );
  140. viewB = new ViewElement( 'b', {}, [ viewI ] );
  141. viewP = new ViewElement( 'p', {}, [ viewTextY, viewB, viewTextBAR, viewImg, viewU ] );
  142. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewP, viewTextZZ ] );
  143. mapper = new Mapper();
  144. mapper.bindElements( modelP, viewP );
  145. mapper.bindElements( modelDiv, viewDiv );
  146. mapper.bindElements( modelImg, viewImg );
  147. } );
  148. describe( 'toModelElement', () => {
  149. it( 'should return corresponding model element', () => {
  150. expect( mapper.toModelElement( viewP ) ).to.equal( modelP );
  151. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  152. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  153. } );
  154. } );
  155. describe( 'toViewElement', () => {
  156. it( 'should return corresponding view element', () => {
  157. expect( mapper.toViewElement( modelP ) ).to.equal( viewP );
  158. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  159. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  160. } );
  161. } );
  162. describe( 'toModelPosition', () => {
  163. it( 'should fire viewToModelPosition event and return value calculated in callback to that event', () => {
  164. const viewPosition = new ViewPosition( viewDiv, 0 );
  165. const stub = {};
  166. mapper.on( 'viewToModelPosition', ( evt, data ) => {
  167. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  168. data.modelPosition = stub;
  169. // Do not stop the event. Test whether default algorithm was not called if data.modelPosition is already set.
  170. } );
  171. const result = mapper.toModelPosition( viewPosition );
  172. expect( result ).to.equal( stub );
  173. } );
  174. it( 'should be possible to add custom position mapping callback after default callback', () => {
  175. const viewPosition = new ViewPosition( viewDiv, 0 );
  176. // Model position to which default algorithm should map `viewPosition`.
  177. // This mapping is tested in a test below.
  178. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  179. const stub = {};
  180. mapper.on( 'viewToModelPosition', ( evt, data ) => {
  181. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  182. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  183. data.modelPosition = stub;
  184. }, { priority: 'low' } );
  185. const result = mapper.toModelPosition( viewPosition );
  186. expect( result ).to.equal( stub );
  187. } );
  188. // Default algorithm tests.
  189. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  190. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  191. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  192. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  193. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  194. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  195. it( 'should transform viewP 0', () => createToModelTest( viewP, 0, modelP, 0 ) );
  196. it( 'should transform viewP 1', () => createToModelTest( viewP, 1, modelP, 1 ) );
  197. it( 'should transform viewP 2', () => createToModelTest( viewP, 2, modelP, 4 ) );
  198. it( 'should transform viewP 3', () => createToModelTest( viewP, 3, modelP, 7 ) );
  199. it( 'should transform viewP 4', () => createToModelTest( viewP, 4, modelP, 8 ) );
  200. it( 'should transform viewP 5', () => createToModelTest( viewP, 5, modelP, 11 ) );
  201. it( 'should transform viewTextY 0', () => createToModelTest( viewTextY, 0, modelP, 0 ) );
  202. it( 'should transform viewTextY 1', () => createToModelTest( viewTextY, 1, modelP, 1 ) );
  203. it( 'should transform viewB 0', () => createToModelTest( viewB, 0, modelP, 1 ) );
  204. it( 'should transform viewB 1', () => createToModelTest( viewB, 1, modelP, 4 ) );
  205. it( 'should transform viewI 0', () => createToModelTest( viewI, 0, modelP, 1 ) );
  206. it( 'should transform viewI 1', () => createToModelTest( viewI, 1, modelP, 4 ) );
  207. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelP, 1 ) );
  208. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelP, 2 ) );
  209. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelP, 3 ) );
  210. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelP, 4 ) );
  211. it( 'should transform viewTextBAR 0', () => createToModelTest( viewTextBAR, 0, modelP, 4 ) );
  212. it( 'should transform viewTextBAR 1', () => createToModelTest( viewTextBAR, 1, modelP, 5 ) );
  213. it( 'should transform viewTextBAR 2', () => createToModelTest( viewTextBAR, 2, modelP, 6 ) );
  214. it( 'should transform viewTextBAR 3', () => createToModelTest( viewTextBAR, 3, modelP, 7 ) );
  215. it( 'should transform viewU 0', () => createToModelTest( viewU, 0, modelP, 8 ) );
  216. it( 'should transform viewU 1', () => createToModelTest( viewU, 1, modelP, 9 ) );
  217. it( 'should transform viewU 2', () => createToModelTest( viewU, 2, modelP, 10 ) );
  218. it( 'should transform viewU 3', () => createToModelTest( viewU, 3, modelP, 11 ) );
  219. it( 'should transform viewTextB 0', () => createToModelTest( viewTextB, 0, modelP, 8 ) );
  220. it( 'should transform viewTextB 1', () => createToModelTest( viewTextB, 1, modelP, 9 ) );
  221. it( 'should transform viewSup 0', () => createToModelTest( viewSup, 0, modelP, 9 ) );
  222. it( 'should transform viewSup 1', () => createToModelTest( viewSup, 1, modelP, 10 ) );
  223. it( 'should transform viewTextO 0', () => createToModelTest( viewTextO, 0, modelP, 9 ) );
  224. it( 'should transform viewTextO 1', () => createToModelTest( viewTextO, 1, modelP, 10 ) );
  225. it( 'should transform viewTextM 0', () => createToModelTest( viewTextM, 0, modelP, 10 ) );
  226. it( 'should transform viewTextM 1', () => createToModelTest( viewTextM, 1, modelP, 11 ) );
  227. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  228. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  229. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  230. } );
  231. describe( 'toViewPosition', () => {
  232. it( 'should fire modelToViewPosition event and return value calculated in callback to that event', () => {
  233. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  234. const stub = {};
  235. mapper.on( 'modelToViewPosition', ( evt, data ) => {
  236. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  237. data.viewPosition = stub;
  238. // Do not stop the event. Test whether default algorithm was not called if data.viewPosition is already set.
  239. } );
  240. const result = mapper.toViewPosition( modelPosition );
  241. expect( result ).to.equal( stub );
  242. } );
  243. it( 'should be possible to add custom position mapping callback after default callback', () => {
  244. const modelPosition = new ModelPosition( modelDiv, [ 0 ] );
  245. // View position to which default algorithm should map `viewPosition`.
  246. // This mapping is tested in a test below.
  247. const viewPosition = new ViewPosition( viewTextX, 0 );
  248. const stub = {};
  249. mapper.on( 'modelToViewPosition', ( evt, data ) => {
  250. expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true;
  251. expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true;
  252. data.viewPosition = stub;
  253. }, { priority: 'low' } );
  254. const result = mapper.toViewPosition( modelPosition );
  255. expect( result ).to.equal( stub );
  256. } );
  257. // Default algorithm tests.
  258. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  259. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  260. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  261. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  262. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  263. it( 'should transform modelP 0', () => createToViewTest( modelP, 0, viewTextY, 0 ) );
  264. it( 'should transform modelP 1', () => createToViewTest( modelP, 1, viewTextY, 1 ) );
  265. it( 'should transform modelP 2', () => createToViewTest( modelP, 2, viewTextFOO, 1 ) );
  266. it( 'should transform modelP 3', () => createToViewTest( modelP, 3, viewTextFOO, 2 ) );
  267. it( 'should transform modelP 4', () => createToViewTest( modelP, 4, viewTextBAR, 0 ) );
  268. it( 'should transform modelP 5', () => createToViewTest( modelP, 5, viewTextBAR, 1 ) );
  269. it( 'should transform modelP 6', () => createToViewTest( modelP, 6, viewTextBAR, 2 ) );
  270. it( 'should transform modelP 7', () => createToViewTest( modelP, 7, viewTextBAR, 3 ) );
  271. it( 'should transform modelP 8', () => createToViewTest( modelP, 8, viewP, 4 ) );
  272. it( 'should transform modelP 9', () => createToViewTest( modelP, 9, viewTextB, 1 ) );
  273. it( 'should transform modelP 10', () => createToViewTest( modelP, 10, viewTextM, 0 ) );
  274. it( 'should transform modelP 11', () => createToViewTest( modelP, 11, viewP, 5 ) );
  275. } );
  276. describe( 'toModelRange', () => {
  277. it( 'should transform range', () => {
  278. const viewRange = ViewRange.createFromParentsAndOffsets( viewDiv, 0, viewTextFOO, 2 );
  279. const modelRange = mapper.toModelRange( viewRange );
  280. expect( modelRange.start.parent ).to.equal( modelDiv );
  281. expect( modelRange.start.offset ).to.equal( 0 );
  282. expect( modelRange.end.parent ).to.equal( modelP );
  283. expect( modelRange.end.offset ).to.equal( 3 );
  284. } );
  285. } );
  286. describe( 'toViewRange', () => {
  287. it( 'should transform range', () => {
  288. const modelRange = ModelRange.createFromParentsAndOffsets( modelDiv, 0, modelP, 3 );
  289. const viewRange = mapper.toViewRange( modelRange );
  290. expect( viewRange.start.parent ).to.equal( viewTextX );
  291. expect( viewRange.start.offset ).to.equal( 0 );
  292. expect( viewRange.end.parent ).to.equal( viewTextFOO );
  293. expect( viewRange.end.offset ).to.equal( 2 );
  294. } );
  295. } );
  296. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  297. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  298. const viewPosition = mapper.toViewPosition( modelPosition );
  299. expect( viewPosition.parent ).to.equal( viewElement );
  300. expect( viewPosition.offset ).to.equal( viewOffset );
  301. }
  302. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  303. const viewPosition = new ViewPosition( viewElement, viewOffset );
  304. const modelPosition = mapper.toModelPosition( viewPosition );
  305. expect( modelPosition.parent ).to.equal( modelElement );
  306. expect( modelPosition.offset ).to.equal( modelOffset );
  307. }
  308. } );
  309. describe( 'Widget mapping', () => {
  310. let modelDiv, modelWidget, modelImg, modelCaption,
  311. viewDiv, viewWidget, viewMask, viewWrapper, viewImg, viewCaption,
  312. viewTextX, viewTextFOO, viewTextZZ, viewTextLABEL,
  313. mapper;
  314. before( () => {
  315. // Tree Model:
  316. //
  317. // <div> ---> modelDiv
  318. // ├─ x
  319. // ├─ <widget> ---> modelWidget
  320. // │ ├─ <img> ---> modelImg
  321. // │ └─ <caption> ---> modelCaption
  322. // │ ├─ f
  323. // │ ├─ o
  324. // │ └─ o
  325. // ├─ z
  326. // └─ z
  327. //
  328. // Tree View:
  329. //
  330. // <div> ---> viewDiv
  331. // ├─ x ---> viewTextX
  332. // ├─ <widget> ---> viewWidget
  333. // │ ├─ <mask> ---> viewMask
  334. // │ │ └─ label ---> viewTextLABEL
  335. // │ └─ <wrapper> ---> viewWrapper
  336. // │ ├─ <img> ---> viewImg
  337. // │ └─ <caption> ---> viewCaption
  338. // │ └─ foo ---> viewTextFOO
  339. // └─ zz ---> viewTextZZ
  340. modelImg = new ModelElement( 'img' );
  341. modelCaption = new ModelElement( 'caption', {}, new ModelText( 'foo' ) );
  342. modelWidget = new ModelElement( 'widget', {}, [ modelImg, modelCaption ] );
  343. modelDiv = new ModelRootElement();
  344. modelDiv.appendChildren( [ new ModelText( 'x' ), modelWidget, new ModelText( 'zz' ) ] );
  345. viewTextX = new ViewText( 'y' );
  346. viewTextZZ = new ViewText( 'zz' );
  347. viewTextFOO = new ViewText( 'foo' );
  348. viewTextLABEL = new ViewText( 'label' );
  349. viewImg = new ViewElement( 'img' );
  350. viewMask = new ViewElement( 'mask', {}, [ viewTextLABEL ] );
  351. viewCaption = new ViewElement( 'caption', {}, [ viewTextFOO ] );
  352. viewWrapper = new ViewElement( 'wrapper', {}, [ viewImg, viewCaption ] );
  353. viewWidget = new ViewElement( 'widget', [ viewMask, viewWrapper ] );
  354. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewWidget, viewTextZZ ] );
  355. mapper = new Mapper();
  356. mapper.bindElements( modelDiv, viewDiv );
  357. mapper.bindElements( modelWidget, viewWidget );
  358. mapper.bindElements( modelImg, viewImg );
  359. mapper.bindElements( modelCaption, viewCaption );
  360. } );
  361. describe( 'toModelElement', () => {
  362. it( 'should return corresponding model element', () => {
  363. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  364. expect( mapper.toModelElement( viewWidget ) ).to.equal( modelWidget );
  365. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  366. expect( mapper.toModelElement( viewCaption ) ).to.equal( modelCaption );
  367. } );
  368. } );
  369. describe( 'toViewElement', () => {
  370. it( 'should return corresponding view element', () => {
  371. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  372. expect( mapper.toViewElement( modelWidget ) ).to.equal( viewWidget );
  373. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  374. expect( mapper.toViewElement( modelCaption ) ).to.equal( viewCaption );
  375. } );
  376. } );
  377. describe( 'toModelPosition', () => {
  378. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  379. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  380. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  381. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  382. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  383. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  384. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  385. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  386. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  387. it( 'should transform viewImg 0', () => createToModelTest( viewImg, 0, modelImg, 0 ) );
  388. it( 'should transform viewCaption 0', () => createToModelTest( viewCaption, 0, modelCaption, 0 ) );
  389. it( 'should transform viewCaption 1', () => createToModelTest( viewCaption, 1, modelCaption, 3 ) );
  390. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelCaption, 0 ) );
  391. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelCaption, 1 ) );
  392. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelCaption, 2 ) );
  393. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelCaption, 3 ) );
  394. } );
  395. describe( 'toViewPosition', () => {
  396. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  397. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  398. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  399. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  400. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  401. it( 'should transform modelImg 0', () => createToViewTest( modelImg, 0, viewImg, 0 ) );
  402. it( 'should transform modelCaption 0', () => createToViewTest( modelCaption, 0, viewTextFOO, 0 ) );
  403. it( 'should transform modelCaption 1', () => createToViewTest( modelCaption, 1, viewTextFOO, 1 ) );
  404. it( 'should transform modelCaption 2', () => createToViewTest( modelCaption, 2, viewTextFOO, 2 ) );
  405. it( 'should transform modelCaption 3', () => createToViewTest( modelCaption, 3, viewTextFOO, 3 ) );
  406. } );
  407. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  408. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  409. const viewPosition = mapper.toViewPosition( modelPosition );
  410. expect( viewPosition.parent ).to.equal( viewElement );
  411. expect( viewPosition.offset ).to.equal( viewOffset );
  412. }
  413. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  414. const viewPosition = new ViewPosition( viewElement, viewOffset );
  415. const modelPosition = mapper.toModelPosition( viewPosition );
  416. expect( modelPosition.parent ).to.equal( modelElement );
  417. expect( modelPosition.offset ).to.equal( modelOffset );
  418. }
  419. } );
  420. describe( 'List mapping (test registerViewToModelLength)', () => {
  421. let mapper, modelRoot, viewRoot,
  422. modelListItem1, modelListItem2,
  423. modelListItem11, modelListItem12,
  424. viewList, viewListNested,
  425. viewListItem1, viewListItem2,
  426. viewListItem11, viewListItem12;
  427. before( () => {
  428. modelListItem1 = new ModelElement( 'listItem', null, new ModelText( 'aaa' ) );
  429. modelListItem11 = new ModelElement( 'listItem', null, new ModelText( 'bbb' ) );
  430. modelListItem12 = new ModelElement( 'listItem', null, new ModelText( 'ccc' ) );
  431. modelListItem2 = new ModelElement( 'listItem', null, new ModelText( 'xxx' ) );
  432. modelRoot = new ModelRootElement( 'root', null, [ modelListItem1, modelListItem11, modelListItem12, modelListItem2 ] );
  433. viewListItem11 = new ViewElement( 'li', null, new ViewText( 'bbb' ) );
  434. viewListItem12 = new ViewElement( 'li', null, new ViewText( 'ccc' ) );
  435. viewListNested = new ViewElement( 'ul', null, [ viewListItem11, viewListItem12 ] );
  436. viewListItem1 = new ViewElement( 'li', null, [ new ViewText( 'aaa' ), viewListNested ] );
  437. viewListItem2 = new ViewElement( 'li', null, new ViewText( 'ddd' ) );
  438. viewList = new ViewElement( 'ul', null, [ viewListItem1, viewListItem2 ] );
  439. viewRoot = new ViewElement( 'div', null, viewList );
  440. mapper = new Mapper();
  441. mapper.bindElements( modelRoot, viewRoot );
  442. mapper.bindElements( modelListItem1, viewListItem1 );
  443. mapper.bindElements( modelListItem11, viewListItem11 );
  444. mapper.bindElements( modelListItem12, viewListItem12 );
  445. mapper.bindElements( modelListItem2, viewListItem2 );
  446. function getViewListItemLength( element ) {
  447. let length = 1;
  448. for ( const child of element.getChildren() ) {
  449. if ( child.name == 'ul' || child.name == 'ol' ) {
  450. for ( const item of child.getChildren() ) {
  451. length += getViewListItemLength( item );
  452. }
  453. }
  454. }
  455. return length;
  456. }
  457. mapper.registerViewToModelLength( 'li', getViewListItemLength );
  458. } );
  459. describe( 'toModelPosition', () => {
  460. it( 'should transform viewRoot 0', () => createToModelTest( viewRoot, 0, modelRoot, 0 ) );
  461. it( 'should transform viewRoot 1', () => createToModelTest( viewRoot, 1, modelRoot, 4 ) );
  462. it( 'should transform viewList 0', () => createToModelTest( viewList, 0, modelRoot, 0 ) );
  463. it( 'should transform viewList 1', () => createToModelTest( viewList, 1, modelRoot, 3 ) );
  464. it( 'should transform viewList 2', () => createToModelTest( viewList, 2, modelRoot, 4 ) );
  465. } );
  466. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  467. const viewPosition = new ViewPosition( viewElement, viewOffset );
  468. const modelPosition = mapper.toModelPosition( viewPosition );
  469. expect( modelPosition.parent ).to.equal( modelElement );
  470. expect( modelPosition.offset ).to.equal( modelOffset );
  471. }
  472. } );
  473. describe( 'getModelLength', () => {
  474. let mapper;
  475. beforeEach( () => {
  476. mapper = new Mapper();
  477. } );
  478. it( 'should return length according to callback added by registerViewToModelLength', () => {
  479. const viewElement = new ViewElement( 'span' );
  480. mapper.registerViewToModelLength( 'span', () => 4 );
  481. expect( mapper.getModelLength( viewElement ) ).to.equal( 4 );
  482. } );
  483. it( 'should return 1 for mapped elements', () => {
  484. const viewElement = new ViewElement( 'span' );
  485. const modelElement = new ModelElement( 'span' );
  486. mapper.bindElements( modelElement, viewElement );
  487. expect( mapper.getModelLength( viewElement ) ).to.equal( 1 );
  488. } );
  489. it( 'should return 0 for ui elements', () => {
  490. const viewUiElement = new ViewUIElement( 'span' );
  491. expect( mapper.getModelLength( viewUiElement ) ).to.equal( 0 );
  492. } );
  493. it( 'should return length of data for text nodes', () => {
  494. const viewText = new ViewText( 'foo' );
  495. expect( mapper.getModelLength( viewText ) ).to.equal( 3 );
  496. } );
  497. it( 'should return sum of length of children for unmapped element', () => {
  498. const modelP = new ModelElement( 'p' );
  499. const viewP = new ViewElement( 'p' );
  500. const viewUi = new ViewUIElement( 'span' );
  501. const viewFoo = new ViewText( 'foo' );
  502. const viewCallback = new ViewElement( 'xxx' );
  503. const viewDiv = new ViewElement( 'div', null, [ viewP, viewUi, viewFoo, viewCallback ] );
  504. mapper.bindElements( modelP, viewP );
  505. mapper.registerViewToModelLength( 'xxx', () => 2 );
  506. expect( mapper.getModelLength( viewDiv ) ).to.equal( 6 );
  507. } );
  508. } );
  509. } );