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mapper.js 19 KB

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  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: conversion */
  6. import Mapper from '/ckeditor5/engine/conversion/mapper.js';
  7. import ModelElement from '/ckeditor5/engine/model/element.js';
  8. import ModelRootElement from '/ckeditor5/engine/model/rootelement.js';
  9. import ModelText from '/ckeditor5/engine/model/text.js';
  10. import ModelPosition from '/ckeditor5/engine/model/position.js';
  11. import ModelRange from '/ckeditor5/engine/model/range.js';
  12. import ViewElement from '/ckeditor5/engine/view/element.js';
  13. import ViewText from '/ckeditor5/engine/view/text.js';
  14. import ViewPosition from '/ckeditor5/engine/view/position.js';
  15. import ViewRange from '/ckeditor5/engine/view/range.js';
  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( 'Standard mapping', () => {
  45. let modelDiv, modelP, modelImg;
  46. let viewDiv, viewP, viewB, viewI, viewU, viewSup, viewImg;
  47. let viewTextB, viewTextO, viewTextM, viewTextX, viewTextY, viewTextZZ, viewTextFOO, viewTextBAR;
  48. let mapper;
  49. before( () => {
  50. // Tree Model:
  51. //
  52. // <div> ---> modelDiv
  53. // ├─ x
  54. // ├─ <p> ---> modelP
  55. // │ ├─ y
  56. // │ ├─ f {b,i}
  57. // │ ├─ o {b,i}
  58. // │ ├─ o {b,i}
  59. // │ ├─ b
  60. // │ ├─ a
  61. // │ ├─ r
  62. // │ ├─ <img> ---> modelImg
  63. // │ ├─ b {u}
  64. // │ ├─ o {u,sup}
  65. // │ └─ m {u}
  66. // ├─ z
  67. // └─ z
  68. //
  69. // Tree View:
  70. //
  71. // <div> ---> viewDiv
  72. // ├─ x ---> viewTextX
  73. // ├─ <p> ---> viewP
  74. // │ ├─ y ---> viewTextY
  75. // │ ├─ <b> ---> viewB
  76. // │ │ └─ <i> ---> viewI
  77. // │ │ └─ foo ---> viewTextFOO
  78. // │ ├─ bar ---> viewTextBAR
  79. // │ ├─ <img> ---> viewImg
  80. // │ └─ <u> ---> viewU
  81. // │ ├─ b ---> viewTextB
  82. // │ ├─ <sup> ---> viewSup
  83. // │ │ └─ o ---> viewTextO
  84. // │ └─ m ---> viewTextM
  85. // └─ zz ---> viewTextZZ
  86. modelImg = new ModelElement( 'img' );
  87. modelP = new ModelElement( 'p', {}, [
  88. new ModelText( 'y' ),
  89. new ModelText( 'foo', { b: true, i: true } ),
  90. new ModelText( 'bar' ),
  91. modelImg,
  92. new ModelText( 'b', { u: true } ),
  93. new ModelText( 'o', { u: true, sup: true } ),
  94. new ModelText( 'm', { u: true } )
  95. ] );
  96. modelDiv = new ModelRootElement();
  97. modelDiv.appendChildren( [
  98. new ModelText( 'x' ),
  99. modelP,
  100. new ModelText( 'zz' )
  101. ] );
  102. viewTextB = new ViewText( 'b' );
  103. viewTextO = new ViewText( 'o' );
  104. viewTextM = new ViewText( 'm' );
  105. viewTextX = new ViewText( 'x' );
  106. viewTextY = new ViewText( 'y' );
  107. viewTextZZ = new ViewText( 'zz' );
  108. viewTextFOO = new ViewText( 'foo' );
  109. viewTextBAR = new ViewText( 'bar' );
  110. viewImg = new ViewElement( 'img' );
  111. viewSup = new ViewElement( 'sup', {}, [ viewTextO ] );
  112. viewU = new ViewElement( 'u', {}, [ viewTextB, viewSup, viewTextM ] );
  113. viewI = new ViewElement( 'i', {}, [ viewTextFOO ] );
  114. viewB = new ViewElement( 'b', {}, [ viewI ] );
  115. viewP = new ViewElement( 'p', {}, [ viewTextY, viewB, viewTextBAR, viewImg, viewU ] );
  116. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewP, viewTextZZ ] );
  117. mapper = new Mapper();
  118. mapper.bindElements( modelP, viewP );
  119. mapper.bindElements( modelDiv, viewDiv );
  120. mapper.bindElements( modelImg, viewImg );
  121. } );
  122. describe( 'toModelElement', () => {
  123. it( 'should return corresponding model element', () => {
  124. expect( mapper.toModelElement( viewP ) ).to.equal( modelP );
  125. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  126. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  127. } );
  128. } );
  129. describe( 'toViewElement', () => {
  130. it( 'should return corresponding view element', () => {
  131. expect( mapper.toViewElement( modelP ) ).to.equal( viewP );
  132. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  133. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  134. } );
  135. } );
  136. describe( 'toModelPosition', () => {
  137. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  138. const viewPosition = new ViewPosition( viewElement, viewOffset );
  139. const modelPosition = mapper.toModelPosition( viewPosition );
  140. expect( modelPosition.parent ).to.equal( modelElement );
  141. expect( modelPosition.offset ).to.equal( modelOffset );
  142. }
  143. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  144. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  145. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  146. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  147. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  148. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  149. it( 'should transform viewP 0', () => createToModelTest( viewP, 0, modelP, 0 ) );
  150. it( 'should transform viewP 1', () => createToModelTest( viewP, 1, modelP, 1 ) );
  151. it( 'should transform viewP 2', () => createToModelTest( viewP, 2, modelP, 4 ) );
  152. it( 'should transform viewP 3', () => createToModelTest( viewP, 3, modelP, 7 ) );
  153. it( 'should transform viewP 4', () => createToModelTest( viewP, 4, modelP, 8 ) );
  154. it( 'should transform viewP 5', () => createToModelTest( viewP, 5, modelP, 11 ) );
  155. it( 'should transform viewTextY 0', () => createToModelTest( viewTextY, 0, modelP, 0 ) );
  156. it( 'should transform viewTextY 1', () => createToModelTest( viewTextY, 1, modelP, 1 ) );
  157. it( 'should transform viewB 0', () => createToModelTest( viewB, 0, modelP, 1 ) );
  158. it( 'should transform viewB 1', () => createToModelTest( viewB, 1, modelP, 4 ) );
  159. it( 'should transform viewI 0', () => createToModelTest( viewI, 0, modelP, 1 ) );
  160. it( 'should transform viewI 1', () => createToModelTest( viewI, 1, modelP, 4 ) );
  161. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelP, 1 ) );
  162. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelP, 2 ) );
  163. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelP, 3 ) );
  164. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelP, 4 ) );
  165. it( 'should transform viewTextBAR 0', () => createToModelTest( viewTextBAR, 0, modelP, 4 ) );
  166. it( 'should transform viewTextBAR 1', () => createToModelTest( viewTextBAR, 1, modelP, 5 ) );
  167. it( 'should transform viewTextBAR 2', () => createToModelTest( viewTextBAR, 2, modelP, 6 ) );
  168. it( 'should transform viewTextBAR 3', () => createToModelTest( viewTextBAR, 3, modelP, 7 ) );
  169. it( 'should transform viewU 0', () => createToModelTest( viewU, 0, modelP, 8 ) );
  170. it( 'should transform viewU 1', () => createToModelTest( viewU, 1, modelP, 9 ) );
  171. it( 'should transform viewU 2', () => createToModelTest( viewU, 2, modelP, 10 ) );
  172. it( 'should transform viewU 3', () => createToModelTest( viewU, 3, modelP, 11 ) );
  173. it( 'should transform viewTextB 0', () => createToModelTest( viewTextB, 0, modelP, 8 ) );
  174. it( 'should transform viewTextB 1', () => createToModelTest( viewTextB, 1, modelP, 9 ) );
  175. it( 'should transform viewSup 0', () => createToModelTest( viewSup, 0, modelP, 9 ) );
  176. it( 'should transform viewSup 1', () => createToModelTest( viewSup, 1, modelP, 10 ) );
  177. it( 'should transform viewTextO 0', () => createToModelTest( viewTextO, 0, modelP, 9 ) );
  178. it( 'should transform viewTextO 1', () => createToModelTest( viewTextO, 1, modelP, 10 ) );
  179. it( 'should transform viewTextM 0', () => createToModelTest( viewTextM, 0, modelP, 10 ) );
  180. it( 'should transform viewTextM 1', () => createToModelTest( viewTextM, 1, modelP, 11 ) );
  181. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  182. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  183. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  184. } );
  185. describe( 'toViewPosition', () => {
  186. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  187. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  188. const viewPosition = mapper.toViewPosition( modelPosition );
  189. expect( viewPosition.parent ).to.equal( viewElement );
  190. expect( viewPosition.offset ).to.equal( viewOffset );
  191. }
  192. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  193. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  194. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  195. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  196. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  197. it( 'should transform modelP 0', () => createToViewTest( modelP, 0, viewTextY, 0 ) );
  198. it( 'should transform modelP 1', () => createToViewTest( modelP, 1, viewTextY, 1 ) );
  199. it( 'should transform modelP 2', () => createToViewTest( modelP, 2, viewTextFOO, 1 ) );
  200. it( 'should transform modelP 3', () => createToViewTest( modelP, 3, viewTextFOO, 2 ) );
  201. it( 'should transform modelP 4', () => createToViewTest( modelP, 4, viewTextBAR, 0 ) );
  202. it( 'should transform modelP 5', () => createToViewTest( modelP, 5, viewTextBAR, 1 ) );
  203. it( 'should transform modelP 6', () => createToViewTest( modelP, 6, viewTextBAR, 2 ) );
  204. it( 'should transform modelP 7', () => createToViewTest( modelP, 7, viewTextBAR, 3 ) );
  205. it( 'should transform modelP 8', () => createToViewTest( modelP, 8, viewP, 4 ) );
  206. it( 'should transform modelP 9', () => createToViewTest( modelP, 9, viewTextB, 1 ) );
  207. it( 'should transform modelP 10', () => createToViewTest( modelP, 10, viewTextM, 0 ) );
  208. it( 'should transform modelP 11', () => createToViewTest( modelP, 11, viewP, 5 ) );
  209. } );
  210. describe( 'toModelRange', () => {
  211. it( 'should transform range', () => {
  212. const viewRange = ViewRange.createFromParentsAndOffsets( viewDiv, 0, viewTextFOO, 2 );
  213. const modelRange = mapper.toModelRange( viewRange );
  214. expect( modelRange.start.parent ).to.equal( modelDiv );
  215. expect( modelRange.start.offset ).to.equal( 0 );
  216. expect( modelRange.end.parent ).to.equal( modelP );
  217. expect( modelRange.end.offset ).to.equal( 3 );
  218. } );
  219. } );
  220. describe( 'toViewRange', () => {
  221. it( 'should transform range', () => {
  222. const modelRange = ModelRange.createFromParentsAndOffsets( modelDiv, 0, modelP, 3 );
  223. const viewRange = mapper.toViewRange( modelRange );
  224. expect( viewRange.start.parent ).to.equal( viewTextX );
  225. expect( viewRange.start.offset ).to.equal( 0 );
  226. expect( viewRange.end.parent ).to.equal( viewTextFOO );
  227. expect( viewRange.end.offset ).to.equal( 2 );
  228. } );
  229. } );
  230. } );
  231. describe( 'Widget mapping', () => {
  232. let modelDiv, modelWidget, modelImg, modelCaption;
  233. let viewDiv, viewWidget, viewMask, viewWrapper, viewImg, viewCaption;
  234. let viewTextX, viewTextFOO, viewTextZZ, viewTextLABEL;
  235. let mapper;
  236. before( () => {
  237. // Tree Model:
  238. //
  239. // <div> ---> modelDiv
  240. // ├─ x
  241. // ├─ <widget> ---> modelWidget
  242. // │ ├─ <img> ---> modelImg
  243. // │ └─ <caption> ---> modelCaption
  244. // │ ├─ f
  245. // │ ├─ o
  246. // │ └─ o
  247. // ├─ z
  248. // └─ z
  249. //
  250. // Tree View:
  251. //
  252. // <div> ---> viewDiv
  253. // ├─ x ---> viewTextX
  254. // ├─ <widget> ---> viewWidget
  255. // │ ├─ <mask> ---> viewMask
  256. // │ │ └─ label ---> viewTextLABEL
  257. // │ └─ <wrapper> ---> viewWrapper
  258. // │ ├─ <img> ---> viewImg
  259. // │ └─ <caption> ---> viewCaption
  260. // │ └─ foo ---> viewTextFOO
  261. // └─ zz ---> viewTextZZ
  262. modelImg = new ModelElement( 'img' );
  263. modelCaption = new ModelElement( 'caption', {}, new ModelText( 'foo' ) );
  264. modelWidget = new ModelElement( 'widget', {}, [ modelImg, modelCaption ] );
  265. modelDiv = new ModelRootElement();
  266. modelDiv.appendChildren( [ new ModelText( 'x' ), modelWidget, new ModelText( 'zz' ) ] );
  267. viewTextX = new ViewText( 'y' );
  268. viewTextZZ = new ViewText( 'zz' );
  269. viewTextFOO = new ViewText( 'foo' );
  270. viewTextLABEL = new ViewText( 'label' );
  271. viewImg = new ViewElement( 'img' );
  272. viewMask = new ViewElement( 'mask', {}, [ viewTextLABEL ] );
  273. viewCaption = new ViewElement( 'caption', {}, [ viewTextFOO ] );
  274. viewWrapper = new ViewElement( 'wrapper', {}, [ viewImg, viewCaption ] );
  275. viewWidget = new ViewElement( 'widget', [ viewMask, viewWrapper ] );
  276. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewWidget, viewTextZZ ] );
  277. mapper = new Mapper();
  278. mapper.bindElements( modelDiv, viewDiv );
  279. mapper.bindElements( modelWidget, viewWidget );
  280. mapper.bindElements( modelImg, viewImg );
  281. mapper.bindElements( modelCaption, viewCaption );
  282. } );
  283. describe( 'toModelElement', () => {
  284. it( 'should return corresponding model element', () => {
  285. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  286. expect( mapper.toModelElement( viewWidget ) ).to.equal( modelWidget );
  287. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  288. expect( mapper.toModelElement( viewCaption ) ).to.equal( modelCaption );
  289. } );
  290. } );
  291. describe( 'toViewElement', () => {
  292. it( 'should return corresponding view element', () => {
  293. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  294. expect( mapper.toViewElement( modelWidget ) ).to.equal( viewWidget );
  295. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  296. expect( mapper.toViewElement( modelCaption ) ).to.equal( viewCaption );
  297. } );
  298. } );
  299. describe( 'toModelPosition', () => {
  300. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  301. const viewPosition = new ViewPosition( viewElement, viewOffset );
  302. const modelPosition = mapper.toModelPosition( viewPosition );
  303. expect( modelPosition.parent ).to.equal( modelElement );
  304. expect( modelPosition.offset ).to.equal( modelOffset );
  305. }
  306. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  307. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  308. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  309. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  310. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  311. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  312. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  313. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  314. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  315. it( 'should transform viewImg 0', () => createToModelTest( viewImg, 0, modelImg, 0 ) );
  316. it( 'should transform viewCaption 0', () => createToModelTest( viewCaption, 0, modelCaption, 0 ) );
  317. it( 'should transform viewCaption 1', () => createToModelTest( viewCaption, 1, modelCaption, 3 ) );
  318. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelCaption, 0 ) );
  319. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelCaption, 1 ) );
  320. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelCaption, 2 ) );
  321. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelCaption, 3 ) );
  322. } );
  323. describe( 'toViewPosition', () => {
  324. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  325. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  326. const viewPosition = mapper.toViewPosition( modelPosition );
  327. expect( viewPosition.parent ).to.equal( viewElement );
  328. expect( viewPosition.offset ).to.equal( viewOffset );
  329. }
  330. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  331. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  332. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  333. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  334. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  335. it( 'should transform modelImg 0', () => createToViewTest( modelImg, 0, viewImg, 0 ) );
  336. it( 'should transform modelCaption 0', () => createToViewTest( modelCaption, 0, viewTextFOO, 0 ) );
  337. it( 'should transform modelCaption 1', () => createToViewTest( modelCaption, 1, viewTextFOO, 1 ) );
  338. it( 'should transform modelCaption 2', () => createToViewTest( modelCaption, 2, viewTextFOO, 2 ) );
  339. it( 'should transform modelCaption 3', () => createToViewTest( modelCaption, 3, viewTextFOO, 3 ) );
  340. } );
  341. } );
  342. } );