converter.js 13 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: treeview */
  6. 'use strict';
  7. import coreTestUtils from '/tests/core/_utils/utils.js';
  8. import ViewElement from '/ckeditor5/core/treeview/element.js';
  9. import ViewText from '/ckeditor5/core/treeview/text.js';
  10. import Converter from '/ckeditor5/core/treeview/converter.js';
  11. const getIteratorCount = coreTestUtils.getIteratorCount;
  12. describe( 'converter', () => {
  13. let converter;
  14. before( () => {
  15. converter = new Converter();
  16. } );
  17. describe( 'bindElements', () => {
  18. it( 'should bind elements', () => {
  19. const domElement = document.createElement( 'p' );
  20. const viewElement = new ViewElement( 'p' );
  21. converter.bindElements( domElement, viewElement );
  22. expect( converter.getCorespondingView( domElement ) ).to.equal( viewElement );
  23. expect( converter.getCorespondingDom( viewElement ) ).to.equal( domElement );
  24. } );
  25. } );
  26. describe( 'compareNodes', () => {
  27. it( 'should return false for nodes not matching types', () => {
  28. const domElement = document.createElement( 'p' );
  29. const viewText = new ViewText( 'foo' );
  30. expect( converter.compareNodes( domElement, viewText ) ).to.be.false;
  31. } );
  32. it( 'should return true for binded elements', () => {
  33. const domElement = document.createElement( 'p' );
  34. const viewElement = new ViewElement( 'p' );
  35. converter.bindElements( domElement, viewElement );
  36. expect( converter.compareNodes( domElement, viewElement ) ).to.be.true;
  37. } );
  38. it( 'should return true for the same texts', () => {
  39. const domText = document.createTextNode( 'foo' );
  40. const viewText = new ViewText( 'foo' );
  41. expect( converter.compareNodes( domText, viewText ) ).to.be.true;
  42. } );
  43. } );
  44. describe( 'domToView', () => {
  45. it( 'should create tree of view elements from DOM elements', () => {
  46. const domImg = document.createElement( 'img' );
  47. const domText = document.createTextNode( 'foo' );
  48. const domP = document.createElement( 'p' );
  49. domP.setAttribute( 'class', 'foo' );
  50. domP.appendChild( domImg );
  51. domP.appendChild( domText );
  52. const viewImg = new ViewElement( 'img' );
  53. converter.bindElements( domImg, viewImg );
  54. const viewP = converter.domToView( domP );
  55. expect( viewP ).to.be.an.instanceof( ViewElement );
  56. expect( viewP.name ).to.equal( 'p' );
  57. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  58. expect( getIteratorCount( viewP.getAttributeKeys() ) ).to.equal( 1 );
  59. expect( viewP.getChildCount() ).to.equal( 2 );
  60. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  61. expect( viewP.getChild( 1 ).getText() ).to.equal( 'foo' );
  62. expect( converter.getCorespondingDom( viewP ) ).to.not.equal( domP );
  63. expect( converter.getCorespondingDom( viewP.getChild( 0 ) ) ).to.equal( domImg );
  64. } );
  65. it( 'should create tree of view elements from DOM elements and bind elements', () => {
  66. const domImg = document.createElement( 'img' );
  67. const domText = document.createTextNode( 'foo' );
  68. const domP = document.createElement( 'p' );
  69. domP.setAttribute( 'class', 'foo' );
  70. domP.appendChild( domImg );
  71. domP.appendChild( domText );
  72. const viewP = converter.domToView( domP, { bind: true } );
  73. expect( viewP ).to.be.an.instanceof( ViewElement );
  74. expect( viewP.name ).to.equal( 'p' );
  75. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  76. expect( getIteratorCount( viewP.getAttributeKeys() ) ).to.equal( 1 );
  77. expect( viewP.getChildCount() ).to.equal( 2 );
  78. expect( viewP.getChild( 0 ).name ).to.equal( 'img' );
  79. expect( viewP.getChild( 1 ).getText() ).to.equal( 'foo' );
  80. expect( converter.getCorespondingDom( viewP ) ).to.equal( domP );
  81. expect( converter.getCorespondingDom( viewP.getChild( 0 ) ) ).to.equal( domP.childNodes[ 0 ] );
  82. } );
  83. it( 'should create tree of view elements from DOM element without children', () => {
  84. const domImg = document.createElement( 'img' );
  85. const domText = document.createTextNode( 'foo' );
  86. const domP = document.createElement( 'p' );
  87. domP.setAttribute( 'class', 'foo' );
  88. domP.appendChild( domImg );
  89. domP.appendChild( domText );
  90. const viewImg = new ViewElement( 'img' );
  91. converter.bindElements( domImg, viewImg );
  92. const viewP = converter.domToView( domP, { withChildren: false } );
  93. expect( viewP ).to.be.an.instanceof( ViewElement );
  94. expect( viewP.name ).to.equal( 'p' );
  95. expect( viewP.getAttribute( 'class' ) ).to.equal( 'foo' );
  96. expect( getIteratorCount( viewP.getAttributeKeys() ) ).to.equal( 1 );
  97. expect( viewP.getChildCount() ).to.equal( 0 );
  98. expect( converter.getCorespondingDom( viewP ) ).to.not.equal( domP );
  99. } );
  100. } );
  101. describe( 'viewToDom', () => {
  102. it( 'should create tree of DOM elements from view elements', () => {
  103. const viewImg = new ViewElement( 'img' );
  104. const viewText = new ViewText( 'foo' );
  105. const viewP = new ViewElement( 'p' );
  106. viewP.setAttribute( 'class', 'foo' );
  107. viewP.appendChildren( viewImg );
  108. viewP.appendChildren( viewText );
  109. const domImg = document.createElement( 'img' );
  110. converter.bindElements( domImg, viewImg );
  111. const domP = converter.viewToDom( viewP, document );
  112. expect( domP ).to.be.an.instanceof( HTMLElement );
  113. expect( domP.tagName.toLowerCase() ).to.equal( 'p' );
  114. expect( domP.getAttribute( 'class' ) ).to.equal( 'foo' );
  115. expect( domP.attributes.length ).to.equal( 1 );
  116. expect( domP.childNodes.length ).to.equal( 2 );
  117. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'img' );
  118. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  119. expect( converter.getCorespondingView( domP ) ).not.to.equal( viewP );
  120. expect( converter.getCorespondingView( domP.childNodes[ 0 ] ) ).to.equal( viewImg );
  121. } );
  122. it( 'should create tree of DOM elements from view elements and bind elements', () => {
  123. const viewImg = new ViewElement( 'img' );
  124. const viewText = new ViewText( 'foo' );
  125. const viewP = new ViewElement( 'p' );
  126. viewP.setAttribute( 'class', 'foo' );
  127. viewP.appendChildren( viewImg );
  128. viewP.appendChildren( viewText );
  129. const domP = converter.viewToDom( viewP, document, { bind: true } );
  130. expect( domP ).to.be.an.instanceof( HTMLElement );
  131. expect( domP.tagName.toLowerCase() ).to.equal( 'p' );
  132. expect( domP.getAttribute( 'class' ) ).to.equal( 'foo' );
  133. expect( domP.attributes.length ).to.equal( 1 );
  134. expect( domP.childNodes.length ).to.equal( 2 );
  135. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'img' );
  136. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  137. expect( converter.getCorespondingView( domP ) ).to.equal( viewP );
  138. expect( converter.getCorespondingView( domP.childNodes[ 0 ] ) ).to.equal( viewP.getChild( 0 ) );
  139. } );
  140. it( 'should create tree of DOM elements from view element without children', () => {
  141. const viewImg = new ViewElement( 'img' );
  142. const viewText = new ViewText( 'foo' );
  143. const viewP = new ViewElement( 'p' );
  144. viewP.setAttribute( 'class', 'foo' );
  145. viewP.appendChildren( viewImg );
  146. viewP.appendChildren( viewText );
  147. const domImg = document.createElement( 'img' );
  148. converter.bindElements( domImg, viewImg );
  149. const domP = converter.viewToDom( viewP, document, { withChildren: false } );
  150. expect( domP ).to.be.an.instanceof( HTMLElement );
  151. expect( domP.tagName.toLowerCase() ).to.equal( 'p' );
  152. expect( domP.getAttribute( 'class' ) ).to.equal( 'foo' );
  153. expect( domP.attributes.length ).to.equal( 1 );
  154. expect( domP.childNodes.length ).to.equal( 0 );
  155. expect( converter.getCorespondingView( domP ) ).not.to.equal( viewP );
  156. } );
  157. } );
  158. describe( 'getCorespondingView', () => {
  159. it( 'should return coresponding view element if element is passed', () => {
  160. const domElement = document.createElement( 'p' );
  161. const viewElement = new ViewElement( 'p' );
  162. converter.bindElements( domElement, viewElement );
  163. expect( converter.getCorespondingView( domElement ) ).to.equal( viewElement );
  164. } );
  165. it( 'should return coresponding view text if text is passed', () => {
  166. const domText = document.createTextNode( 'foo' );
  167. const domP = document.createElement( 'p' );
  168. domP.appendChild( domText );
  169. const viewP = converter.domToView( domP );
  170. const viewText = viewP.getChild( 0 );
  171. converter.bindElements( domP, viewP );
  172. expect( converter.getCorespondingView( domText ) ).to.equal( viewText );
  173. } );
  174. } );
  175. describe( 'getCorespondingViewElement', () => {
  176. it( 'should return coresponding view element', () => {
  177. const domElement = document.createElement( 'p' );
  178. const viewElement = new ViewElement( 'p' );
  179. converter.bindElements( domElement, viewElement );
  180. expect( converter.getCorespondingViewElement( domElement ) ).to.equal( viewElement );
  181. } );
  182. } );
  183. describe( 'getCorespondingViewText', () => {
  184. it( 'should return coresponding view text based on sibling', () => {
  185. const domImg = document.createElement( 'img' );
  186. const domText = document.createTextNode( 'foo' );
  187. const domP = document.createElement( 'p' );
  188. domP.appendChild( domImg );
  189. domP.appendChild( domText );
  190. const viewImg = new ViewElement( 'img' );
  191. converter.bindElements( domImg, viewImg );
  192. const viewP = converter.domToView( domP );
  193. const viewText = viewP.getChild( 1 );
  194. expect( converter.getCorespondingViewText( domText ) ).to.equal( viewText );
  195. } );
  196. it( 'should return coresponding view text based on parent', () => {
  197. const domText = document.createTextNode( 'foo' );
  198. const domP = document.createElement( 'p' );
  199. domP.appendChild( domText );
  200. const viewP = converter.domToView( domP );
  201. const viewText = viewP.getChild( 0 );
  202. converter.bindElements( domP, viewP );
  203. expect( converter.getCorespondingViewText( domText ) ).to.equal( viewText );
  204. } );
  205. it( 'should return null if sibling is not binded', () => {
  206. const domImg = document.createElement( 'img' );
  207. const domText = document.createTextNode( 'foo' );
  208. const domP = document.createElement( 'p' );
  209. domP.appendChild( domImg );
  210. domP.appendChild( domText );
  211. const viewP = converter.domToView( domP );
  212. converter.bindElements( domP, viewP );
  213. expect( converter.getCorespondingViewText( domText ) ).to.be.null;
  214. } );
  215. it( 'should return null if parent is not binded', () => {
  216. const domText = document.createTextNode( 'foo' );
  217. const domP = document.createElement( 'p' );
  218. domP.appendChild( domText );
  219. expect( converter.getCorespondingViewText( domText ) ).to.be.null;
  220. } );
  221. } );
  222. describe( 'getCorespondingDom', () => {
  223. it( 'should return coresponding DOM element if element was passed', () => {
  224. const domElement = document.createElement( 'p' );
  225. const viewElement = new ViewElement( 'p' );
  226. converter.bindElements( domElement, viewElement );
  227. expect( converter.getCorespondingDom( viewElement ) ).to.equal( domElement );
  228. } );
  229. it( 'should return coresponding DOM text if text was passed', () => {
  230. const domText = document.createTextNode( 'foo' );
  231. const domP = document.createElement( 'p' );
  232. domP.appendChild( domText );
  233. const viewP = converter.domToView( domP );
  234. const viewText = viewP.getChild( 0 );
  235. converter.bindElements( domP, viewP );
  236. expect( converter.getCorespondingDom( viewText ) ).to.equal( domText );
  237. } );
  238. } );
  239. describe( 'getCorespondingDomElement', () => {
  240. it( 'should return coresponding DOM element', () => {
  241. const domElement = document.createElement( 'p' );
  242. const viewElement = new ViewElement( 'p' );
  243. converter.bindElements( domElement, viewElement );
  244. expect( converter.getCorespondingDomElement( viewElement ) ).to.equal( domElement );
  245. } );
  246. } );
  247. describe( 'getCorespondingDomText', () => {
  248. it( 'should return coresponding DOM text based on sibling', () => {
  249. const domImg = document.createElement( 'img' );
  250. const domText = document.createTextNode( 'foo' );
  251. const domP = document.createElement( 'p' );
  252. domP.appendChild( domImg );
  253. domP.appendChild( domText );
  254. const viewImg = new ViewElement( 'img' );
  255. converter.bindElements( domImg, viewImg );
  256. const viewP = converter.domToView( domP );
  257. const viewText = viewP.getChild( 1 );
  258. expect( converter.getCorespondingDomText( viewText ) ).to.equal( domText );
  259. } );
  260. it( 'should return coresponding DOM text based on parent', () => {
  261. const domText = document.createTextNode( 'foo' );
  262. const domP = document.createElement( 'p' );
  263. domP.appendChild( domText );
  264. const viewP = converter.domToView( domP );
  265. const viewText = viewP.getChild( 0 );
  266. converter.bindElements( domP, viewP );
  267. expect( converter.getCorespondingDomText( viewText ) ).to.equal( domText );
  268. } );
  269. it( 'should return null if sibling is not binded', () => {
  270. const domImg = document.createElement( 'img' );
  271. const domText = document.createTextNode( 'foo' );
  272. const domP = document.createElement( 'p' );
  273. domP.appendChild( domImg );
  274. domP.appendChild( domText );
  275. const viewP = converter.domToView( domP );
  276. const viewText = viewP.getChild( 1 );
  277. converter.bindElements( domP, viewP );
  278. expect( converter.getCorespondingDomText( viewText ) ).to.be.null;
  279. } );
  280. it( 'should return null if parent is not binded', () => {
  281. const domText = document.createTextNode( 'foo' );
  282. const domP = document.createElement( 'p' );
  283. domP.appendChild( domText );
  284. const viewP = converter.domToView( domP );
  285. const viewText = viewP.getChild( 0 );
  286. expect( converter.getCorespondingDomText( viewText ) ).to.be.null;
  287. } );
  288. } );
  289. } );