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mapper.js 17 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: treecontroller */
  6. 'use strict';
  7. import Mapper from '/ckeditor5/engine/treecontroller/mapper.js';
  8. import ModelElement from '/ckeditor5/engine/treemodel/element.js';
  9. import ModelRootElement from '/ckeditor5/engine/treemodel/rootelement.js';
  10. import ModelText from '/ckeditor5/engine/treemodel/text.js';
  11. import ModelPosition from '/ckeditor5/engine/treemodel/position.js';
  12. import ModelRange from '/ckeditor5/engine/treemodel/range.js';
  13. import ViewElement from '/ckeditor5/engine/treeview/element.js';
  14. import ViewText from '/ckeditor5/engine/treeview/text.js';
  15. import ViewPosition from '/ckeditor5/engine/treeview/position.js';
  16. import ViewRange from '/ckeditor5/engine/treeview/range.js';
  17. describe( 'Mapper', () => {
  18. let modelDiv, modelP, modelImg;
  19. let viewDiv, viewP, viewB, viewI, viewU, viewSup, viewImg;
  20. let viewTextB, viewTextO, viewTextM, viewTextX, viewTextY, viewTextZZ, viewTextFOO, viewTextBAR;
  21. let mapper;
  22. before( () => {
  23. // Tree Model:
  24. //
  25. // <div> ---> modelDiv
  26. // ├─ x
  27. // ├─ <p> ---> modelP
  28. // │ ├─ y
  29. // │ ├─ f {b,i}
  30. // │ ├─ o {b,i}
  31. // │ ├─ o {b,i}
  32. // │ ├─ b
  33. // │ ├─ a
  34. // │ ├─ r
  35. // │ ├─ <img> ---> modelImg
  36. // │ ├─ b {u}
  37. // │ ├─ o {u,sup}
  38. // │ └─ m {u}
  39. // ├─ z
  40. // └─ z
  41. //
  42. // Tree View:
  43. //
  44. // <div> ---> viewDiv
  45. // ├─ x ---> viewTextX
  46. // ├─ <p> ---> viewP
  47. // │ ├─ y ---> viewTextY
  48. // │ ├─ <b> ---> viewB
  49. // │ │ └─ <i> ---> viewI
  50. // │ │ └─ foo ---> viewTextFOO
  51. // │ ├─ bar ---> viewTextBAR
  52. // │ ├─ <img> ---> viewImg
  53. // │ └─ <u> ---> viewU
  54. // │ ├─ b ---> viewTextB
  55. // │ ├─ <sup> ---> viewSup
  56. // │ │ └─ o ---> viewTextO
  57. // │ └─ m ---> viewTextM
  58. // └─ zz ---> viewTextZZ
  59. modelImg = new ModelElement( 'img' );
  60. modelP = new ModelElement( 'p', {}, [
  61. 'y',
  62. new ModelText( 'foo', { b: true, i: true } ),
  63. 'bar',
  64. modelImg,
  65. new ModelText( 'b', { u: true } ),
  66. new ModelText( 'o', { u: true, sup: true } ),
  67. new ModelText( 'm', { u: true } )
  68. ] );
  69. modelDiv = new ModelRootElement();
  70. modelDiv.appendChildren( [
  71. 'x',
  72. modelP,
  73. 'zz'
  74. ] );
  75. viewTextB = new ViewText( 'b' );
  76. viewTextO = new ViewText( 'o' );
  77. viewTextM = new ViewText( 'm' );
  78. viewTextX = new ViewText( 'x' );
  79. viewTextY = new ViewText( 'y' );
  80. viewTextZZ = new ViewText( 'zz' );
  81. viewTextFOO = new ViewText( 'foo' );
  82. viewTextBAR = new ViewText( 'bar' );
  83. viewImg = new ViewElement( 'img' );
  84. viewSup = new ViewElement( 'sup', {}, [ viewTextO ] );
  85. viewU = new ViewElement( 'u', {}, [ viewTextB, viewSup, viewTextM ] );
  86. viewI = new ViewElement( 'i', {}, [ viewTextFOO ] );
  87. viewB = new ViewElement( 'b', {}, [ viewI ] );
  88. viewP = new ViewElement( 'p', {}, [ viewTextY, viewB, viewTextBAR, viewImg, viewU ] );
  89. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewP, viewTextZZ ] );
  90. mapper = new Mapper();
  91. mapper.bindElements( modelP, viewP );
  92. mapper.bindElements( modelDiv, viewDiv );
  93. mapper.bindElements( modelImg, viewImg );
  94. } );
  95. describe( 'toModelElement', () => {
  96. it( 'should return corresponding model element', () => {
  97. expect( mapper.toModelElement( viewP ) ).to.equal( modelP );
  98. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  99. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  100. } );
  101. } );
  102. describe( 'toViewElement', () => {
  103. it( 'should return corresponding view element', () => {
  104. expect( mapper.toViewElement( modelP ) ).to.equal( viewP );
  105. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  106. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  107. } );
  108. } );
  109. describe( 'toModelPosition', () => {
  110. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  111. const viewPosition = new ViewPosition( viewElement, viewOffset );
  112. const modelPosition = mapper.toModelPosition( viewPosition );
  113. expect( modelPosition.parent ).to.equal( modelElement );
  114. expect( modelPosition.offset ).to.equal( modelOffset );
  115. }
  116. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  117. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  118. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  119. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  120. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  121. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  122. it( 'should transform viewP 0', () => createToModelTest( viewP, 0, modelP, 0 ) );
  123. it( 'should transform viewP 1', () => createToModelTest( viewP, 1, modelP, 1 ) );
  124. it( 'should transform viewP 2', () => createToModelTest( viewP, 2, modelP, 4 ) );
  125. it( 'should transform viewP 3', () => createToModelTest( viewP, 3, modelP, 7 ) );
  126. it( 'should transform viewP 4', () => createToModelTest( viewP, 4, modelP, 8 ) );
  127. it( 'should transform viewP 5', () => createToModelTest( viewP, 5, modelP, 11 ) );
  128. it( 'should transform viewTextY 0', () => createToModelTest( viewTextY, 0, modelP, 0 ) );
  129. it( 'should transform viewTextY 1', () => createToModelTest( viewTextY, 1, modelP, 1 ) );
  130. it( 'should transform viewB 0', () => createToModelTest( viewB, 0, modelP, 1 ) );
  131. it( 'should transform viewB 1', () => createToModelTest( viewB, 1, modelP, 4 ) );
  132. it( 'should transform viewI 0', () => createToModelTest( viewI, 0, modelP, 1 ) );
  133. it( 'should transform viewI 1', () => createToModelTest( viewI, 1, modelP, 4 ) );
  134. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelP, 1 ) );
  135. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelP, 2 ) );
  136. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelP, 3 ) );
  137. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelP, 4 ) );
  138. it( 'should transform viewTextBAR 0', () => createToModelTest( viewTextBAR, 0, modelP, 4 ) );
  139. it( 'should transform viewTextBAR 1', () => createToModelTest( viewTextBAR, 1, modelP, 5 ) );
  140. it( 'should transform viewTextBAR 2', () => createToModelTest( viewTextBAR, 2, modelP, 6 ) );
  141. it( 'should transform viewTextBAR 3', () => createToModelTest( viewTextBAR, 3, modelP, 7 ) );
  142. it( 'should transform viewU 0', () => createToModelTest( viewU, 0, modelP, 8 ) );
  143. it( 'should transform viewU 1', () => createToModelTest( viewU, 1, modelP, 9 ) );
  144. it( 'should transform viewU 2', () => createToModelTest( viewU, 2, modelP, 10 ) );
  145. it( 'should transform viewU 3', () => createToModelTest( viewU, 3, modelP, 11 ) );
  146. it( 'should transform viewTextB 0', () => createToModelTest( viewTextB, 0, modelP, 8 ) );
  147. it( 'should transform viewTextB 1', () => createToModelTest( viewTextB, 1, modelP, 9 ) );
  148. it( 'should transform viewSup 0', () => createToModelTest( viewSup, 0, modelP, 9 ) );
  149. it( 'should transform viewSup 1', () => createToModelTest( viewSup, 1, modelP, 10 ) );
  150. it( 'should transform viewTextO 0', () => createToModelTest( viewTextO, 0, modelP, 9 ) );
  151. it( 'should transform viewTextO 1', () => createToModelTest( viewTextO, 1, modelP, 10 ) );
  152. it( 'should transform viewTextM 0', () => createToModelTest( viewTextM, 0, modelP, 10 ) );
  153. it( 'should transform viewTextM 1', () => createToModelTest( viewTextM, 1, modelP, 11 ) );
  154. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  155. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  156. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  157. } );
  158. describe( 'toViewPosition', () => {
  159. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  160. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  161. const viewPosition = mapper.toViewPosition( modelPosition );
  162. expect( viewPosition.parent ).to.equal( viewElement );
  163. expect( viewPosition.offset ).to.equal( viewOffset );
  164. }
  165. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  166. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  167. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  168. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  169. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  170. it( 'should transform modelP 0', () => createToViewTest( modelP, 0, viewTextY, 0 ) );
  171. it( 'should transform modelP 1', () => createToViewTest( modelP, 1, viewTextY, 1 ) );
  172. it( 'should transform modelP 2', () => createToViewTest( modelP, 2, viewTextFOO, 1 ) );
  173. it( 'should transform modelP 3', () => createToViewTest( modelP, 3, viewTextFOO, 2 ) );
  174. it( 'should transform modelP 4', () => createToViewTest( modelP, 4, viewTextBAR, 0 ) );
  175. it( 'should transform modelP 5', () => createToViewTest( modelP, 5, viewTextBAR, 1 ) );
  176. it( 'should transform modelP 6', () => createToViewTest( modelP, 6, viewTextBAR, 2 ) );
  177. it( 'should transform modelP 7', () => createToViewTest( modelP, 7, viewTextBAR, 3 ) );
  178. it( 'should transform modelP 8', () => createToViewTest( modelP, 8, viewP, 4 ) );
  179. it( 'should transform modelP 9', () => createToViewTest( modelP, 9, viewTextB, 1 ) );
  180. it( 'should transform modelP 10', () => createToViewTest( modelP, 10, viewTextM, 0 ) );
  181. it( 'should transform modelP 11', () => createToViewTest( modelP, 11, viewP, 5 ) );
  182. } );
  183. describe( 'toModelRange', () => {
  184. it( 'should transform range', () => {
  185. const viewRange = ViewRange.createFromParentsAndOffsets( viewDiv, 0, viewTextFOO, 2 );
  186. const modelRange = mapper.toModelRange( viewRange );
  187. expect( modelRange.start.parent ).to.equal( modelDiv );
  188. expect( modelRange.start.offset ).to.equal( 0 );
  189. expect( modelRange.end.parent ).to.equal( modelP );
  190. expect( modelRange.end.offset ).to.equal( 3 );
  191. } );
  192. } );
  193. describe( 'toViewRange', () => {
  194. it( 'should transform range', () => {
  195. const modelRange = ModelRange.createFromParentsAndOffsets( modelDiv, 0, modelP, 3 );
  196. const viewRange = mapper.toViewRange( modelRange );
  197. expect( viewRange.start.parent ).to.equal( viewTextX );
  198. expect( viewRange.start.offset ).to.equal( 0 );
  199. expect( viewRange.end.parent ).to.equal( viewTextFOO );
  200. expect( viewRange.end.offset ).to.equal( 2 );
  201. } );
  202. } );
  203. } );
  204. describe( 'Mapper for widget', () => {
  205. let modelDiv, modelWidget, modelImg, modelCaption;
  206. let viewDiv, viewWidget, viewMask, viewWrapper, viewImg, viewCaption;
  207. let viewTextX, viewTextFOO, viewTextZZ, viewTextLABEL;
  208. let mapper;
  209. before( () => {
  210. // Tree Model:
  211. //
  212. // <div> ---> modelDiv
  213. // ├─ x
  214. // ├─ <widget> ---> modelWidget
  215. // │ ├─ <img> ---> modelImg
  216. // │ └─ <caption> ---> modelCaption
  217. // │ ├─ f
  218. // │ ├─ o
  219. // │ └─ o
  220. // ├─ z
  221. // └─ z
  222. //
  223. // Tree View:
  224. //
  225. // <div> ---> viewDiv
  226. // ├─ x ---> viewTextX
  227. // ├─ <widget> ---> viewWidget
  228. // │ ├─ <mask> ---> viewMask
  229. // │ │ └─ label ---> viewTextLABEL
  230. // │ └─ <wrapper> ---> viewWrapper
  231. // │ ├─ <img> ---> viewImg
  232. // │ └─ <caption> ---> viewCaption
  233. // │ └─ foo ---> viewTextFOO
  234. // └─ zz ---> viewTextZZ
  235. modelImg = new ModelElement( 'img' );
  236. modelCaption = new ModelElement( 'caption', {}, 'foo' );
  237. modelWidget = new ModelElement( 'widget', {}, [ modelImg, modelCaption ] );
  238. modelDiv = new ModelRootElement();
  239. modelDiv.appendChildren( [ 'x', modelWidget, 'zz' ] );
  240. viewTextX = new ViewText( 'y' );
  241. viewTextZZ = new ViewText( 'zz' );
  242. viewTextFOO = new ViewText( 'foo' );
  243. viewTextLABEL = new ViewText( 'label' );
  244. viewImg = new ViewElement( 'img' );
  245. viewMask = new ViewElement( 'mask', {}, [ viewTextLABEL ] );
  246. viewCaption = new ViewElement( 'caption', {}, [ viewTextFOO ] );
  247. viewWrapper = new ViewElement( 'wrapper', {}, [ viewImg, viewCaption ] );
  248. viewWidget = new ViewElement( 'widget', [ viewMask, viewWrapper ] );
  249. viewDiv = new ViewElement( 'div', {}, [ viewTextX, viewWidget, viewTextZZ ] );
  250. mapper = new Mapper();
  251. mapper.bindElements( modelDiv, viewDiv );
  252. mapper.bindElements( modelWidget, viewWidget );
  253. mapper.bindElements( modelImg, viewImg );
  254. mapper.bindElements( modelCaption, viewCaption );
  255. } );
  256. describe( 'toModelElement', () => {
  257. it( 'should return corresponding model element', () => {
  258. expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv );
  259. expect( mapper.toModelElement( viewWidget ) ).to.equal( modelWidget );
  260. expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg );
  261. expect( mapper.toModelElement( viewCaption ) ).to.equal( modelCaption );
  262. } );
  263. } );
  264. describe( 'toViewElement', () => {
  265. it( 'should return corresponding view element', () => {
  266. expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv );
  267. expect( mapper.toViewElement( modelWidget ) ).to.equal( viewWidget );
  268. expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg );
  269. expect( mapper.toViewElement( modelCaption ) ).to.equal( viewCaption );
  270. } );
  271. } );
  272. describe( 'toModelPosition', () => {
  273. function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) {
  274. const viewPosition = new ViewPosition( viewElement, viewOffset );
  275. const modelPosition = mapper.toModelPosition( viewPosition );
  276. expect( modelPosition.parent ).to.equal( modelElement );
  277. expect( modelPosition.offset ).to.equal( modelOffset );
  278. }
  279. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) );
  280. it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) );
  281. it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) );
  282. it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) );
  283. it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) );
  284. it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) );
  285. it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) );
  286. it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) );
  287. it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) );
  288. it( 'should transform viewImg 0', () => createToModelTest( viewImg, 0, modelImg, 0 ) );
  289. it( 'should transform viewCaption 0', () => createToModelTest( viewCaption, 0, modelCaption, 0 ) );
  290. it( 'should transform viewCaption 1', () => createToModelTest( viewCaption, 1, modelCaption, 3 ) );
  291. it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelCaption, 0 ) );
  292. it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelCaption, 1 ) );
  293. it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelCaption, 2 ) );
  294. it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelCaption, 3 ) );
  295. } );
  296. describe( 'toViewPosition', () => {
  297. function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) {
  298. const modelPosition = ModelPosition.createFromParentAndOffset( modelElement, modelOffset );
  299. const viewPosition = mapper.toViewPosition( modelPosition );
  300. expect( viewPosition.parent ).to.equal( viewElement );
  301. expect( viewPosition.offset ).to.equal( viewOffset );
  302. }
  303. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) );
  304. it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) );
  305. it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) );
  306. it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) );
  307. it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) );
  308. it( 'should transform modelImg 0', () => createToViewTest( modelImg, 0, viewImg, 0 ) );
  309. it( 'should transform modelCaption 0', () => createToViewTest( modelCaption, 0, viewTextFOO, 0 ) );
  310. it( 'should transform modelCaption 1', () => createToViewTest( modelCaption, 1, viewTextFOO, 1 ) );
  311. it( 'should transform modelCaption 2', () => createToViewTest( modelCaption, 2, viewTextFOO, 2 ) );
  312. it( 'should transform modelCaption 3', () => createToViewTest( modelCaption, 3, viewTextFOO, 3 ) );
  313. } );
  314. } );