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binding.js 11 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: view, domconverter, browser-only */
  6. import ViewElement from '/ckeditor5/engine/view/element.js';
  7. import DomConverter from '/ckeditor5/engine/view/domconverter.js';
  8. import ViewDocumentFragment from '/ckeditor5/engine/view/documentfragment.js';
  9. import { INLINE_FILLER } from '/ckeditor5/engine/view/filler.js';
  10. import { parse } from '/tests/engine/_utils/view.js';
  11. import createElement from '/ckeditor5/utils/dom/createelement.js';
  12. describe( 'DomConverter', () => {
  13. let converter;
  14. before( () => {
  15. converter = new DomConverter();
  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.getCorrespondingView( domElement ) ).to.equal( viewElement );
  23. expect( converter.getCorrespondingDom( viewElement ) ).to.equal( domElement );
  24. } );
  25. } );
  26. describe( 'bindDocumentFragments', () => {
  27. it( 'should bind document fragments', () => {
  28. const domFragment = document.createDocumentFragment();
  29. const viewFragment = new ViewDocumentFragment();
  30. converter.bindDocumentFragments( domFragment, viewFragment );
  31. expect( converter.getCorrespondingView( domFragment ) ).to.equal( viewFragment );
  32. expect( converter.getCorrespondingDom( viewFragment ) ).to.equal( domFragment );
  33. } );
  34. } );
  35. describe( 'getCorrespondingView', () => {
  36. it( 'should return corresponding view element if element is passed', () => {
  37. const domElement = document.createElement( 'p' );
  38. const viewElement = new ViewElement( 'p' );
  39. converter.bindElements( domElement, viewElement );
  40. expect( converter.getCorrespondingView( domElement ) ).to.equal( viewElement );
  41. } );
  42. it( 'should return corresponding view text if text is passed', () => {
  43. const domText = document.createTextNode( 'foo' );
  44. const domP = document.createElement( 'p' );
  45. domP.appendChild( domText );
  46. const viewP = converter.domToView( domP );
  47. const viewText = viewP.getChild( 0 );
  48. converter.bindElements( domP, viewP );
  49. expect( converter.getCorrespondingView( domText ) ).to.equal( viewText );
  50. } );
  51. it( 'should return corresponding view document fragment', () => {
  52. const domFragment = document.createDocumentFragment();
  53. const viewFragment = converter.domToView( domFragment );
  54. converter.bindElements( domFragment, viewFragment );
  55. expect( converter.getCorrespondingView( domFragment ) ).to.equal( viewFragment );
  56. } );
  57. it( 'should return null if falsy value was passed', () => {
  58. expect( converter.getCorrespondingView( null ) ).to.be.null;
  59. expect( converter.getCorrespondingView( undefined ) ).to.be.null;
  60. } );
  61. } );
  62. describe( 'getCorrespondingViewElement', () => {
  63. it( 'should return corresponding view element', () => {
  64. const domElement = document.createElement( 'p' );
  65. const viewElement = new ViewElement( 'p' );
  66. converter.bindElements( domElement, viewElement );
  67. expect( converter.getCorrespondingViewElement( domElement ) ).to.equal( viewElement );
  68. } );
  69. } );
  70. describe( 'getCorrespondingViewDocumentFragment', () => {
  71. it( 'should return corresponding view document fragment', () => {
  72. const domFragment = document.createDocumentFragment();
  73. const viewFragment = converter.domToView( domFragment );
  74. converter.bindElements( domFragment, viewFragment );
  75. expect( converter.getCorrespondingViewDocumentFragment( domFragment ) ).to.equal( viewFragment );
  76. } );
  77. } );
  78. describe( 'getCorrespondingViewText', () => {
  79. it( 'should return corresponding view text based on sibling', () => {
  80. const domImg = document.createElement( 'img' );
  81. const domText = document.createTextNode( 'foo' );
  82. const domP = createElement( document, 'p', null, [ domImg, domText ] );
  83. const viewImg = new ViewElement( 'img' );
  84. converter.bindElements( domImg, viewImg );
  85. const viewP = converter.domToView( domP );
  86. const viewText = viewP.getChild( 1 );
  87. expect( converter.getCorrespondingViewText( domText ) ).to.equal( viewText );
  88. } );
  89. it( 'should return corresponding view text based on parent', () => {
  90. const domText = document.createTextNode( 'foo' );
  91. const domP = createElement( document, 'p', null, domText );
  92. const viewP = converter.domToView( domP );
  93. const viewText = viewP.getChild( 0 );
  94. converter.bindElements( domP, viewP );
  95. expect( converter.getCorrespondingViewText( domText ) ).to.equal( viewText );
  96. } );
  97. it( 'should return null if sibling is not bound', () => {
  98. const domImg = document.createElement( 'img' );
  99. const domText = document.createTextNode( 'foo' );
  100. const domP = createElement( document, 'p', null, [ domImg, domText ] );
  101. const viewP = converter.domToView( domP );
  102. converter.bindElements( domP, viewP );
  103. expect( converter.getCorrespondingViewText( domText ) ).to.be.null;
  104. } );
  105. it( 'should return null if sibling is not element', () => {
  106. const domTextFoo = document.createTextNode( 'foo' );
  107. const domTextBar = document.createTextNode( 'bar' );
  108. const domP = createElement( document, 'p', null, [ domTextFoo, domTextBar ] );
  109. const viewP = converter.domToView( domP );
  110. converter.bindElements( domP, viewP );
  111. expect( converter.getCorrespondingViewText( domTextBar ) ).to.be.null;
  112. } );
  113. it( 'should return null if parent is not bound', () => {
  114. const domText = document.createTextNode( 'foo' );
  115. createElement( document, 'p', null, domText );
  116. expect( converter.getCorrespondingViewText( domText ) ).to.be.null;
  117. } );
  118. it( 'should return null for inline filler', () => {
  119. const domFiller = document.createTextNode( INLINE_FILLER );
  120. const domP = createElement( document, 'p', null, domFiller );
  121. const viewP = converter.domToView( domP );
  122. converter.bindElements( domP, viewP );
  123. expect( converter.getCorrespondingViewText( domFiller ) ).to.be.null;
  124. } );
  125. it( 'should return null if there is no text node sibling in view', () => {
  126. const domB = document.createElement( 'b' );
  127. const domI = document.createElement( 'i' );
  128. const domText = document.createTextNode( 'x' );
  129. const domP = createElement( document, 'p', null, [ domB, domText, domI ] );
  130. const viewP = parse( '<p><b></b><i></i></p>' );
  131. const viewB = viewP.getChild( 0 );
  132. const viewI = viewP.getChild( 1 );
  133. converter.bindElements( domP, viewP );
  134. converter.bindElements( domI, viewI );
  135. converter.bindElements( domB, viewB );
  136. expect( converter.getCorrespondingViewText( domText ) ).to.be.null;
  137. } );
  138. it( 'should return null if there is no child text node in view', () => {
  139. const domText = document.createTextNode( 'x' );
  140. const domP = createElement( document, 'p', null, domText );
  141. const viewP = parse( '<p></p>' );
  142. converter.bindElements( domP, viewP );
  143. expect( converter.getCorrespondingViewText( domText ) ).to.be.null;
  144. } );
  145. } );
  146. describe( 'getCorrespondingDom', () => {
  147. it( 'should return corresponding DOM element if element was passed', () => {
  148. const domElement = document.createElement( 'p' );
  149. const viewElement = new ViewElement( 'p' );
  150. converter.bindElements( domElement, viewElement );
  151. expect( converter.getCorrespondingDom( viewElement ) ).to.equal( domElement );
  152. } );
  153. it( 'should return corresponding DOM text if text was passed', () => {
  154. const domText = document.createTextNode( 'foo' );
  155. const domP = document.createElement( 'p' );
  156. domP.appendChild( domText );
  157. const viewP = converter.domToView( domP );
  158. const viewText = viewP.getChild( 0 );
  159. converter.bindElements( domP, viewP );
  160. expect( converter.getCorrespondingDom( viewText ) ).to.equal( domText );
  161. } );
  162. it( 'should return corresponding DOM document fragment', () => {
  163. const domFragment = document.createDocumentFragment();
  164. const viewFragment = new ViewDocumentFragment();
  165. converter.bindElements( domFragment, viewFragment );
  166. expect( converter.getCorrespondingDom( viewFragment ) ).to.equal( domFragment );
  167. } );
  168. it( 'should return null if wrong parameter is passed', () => {
  169. expect( converter.getCorrespondingDom( null ) ).to.be.null;
  170. } );
  171. } );
  172. describe( 'getCorrespondingDomElement', () => {
  173. it( 'should return corresponding DOM element', () => {
  174. const domElement = document.createElement( 'p' );
  175. const viewElement = new ViewElement( 'p' );
  176. converter.bindElements( domElement, viewElement );
  177. expect( converter.getCorrespondingDomElement( viewElement ) ).to.equal( domElement );
  178. } );
  179. } );
  180. describe( 'getCorrespondingDomDocumentFragment', () => {
  181. it( 'should return corresponding DOM document fragment', () => {
  182. const domFragment = document.createDocumentFragment();
  183. const viewFragment = new ViewDocumentFragment();
  184. converter.bindElements( domFragment, viewFragment );
  185. expect( converter.getCorrespondingDomDocumentFragment( viewFragment ) ).to.equal( domFragment );
  186. } );
  187. } );
  188. describe( 'getCorrespondingDomText', () => {
  189. it( 'should return corresponding DOM text based on sibling', () => {
  190. const domImg = document.createElement( 'img' );
  191. const domText = document.createTextNode( 'foo' );
  192. const domP = document.createElement( 'p' );
  193. domP.appendChild( domImg );
  194. domP.appendChild( domText );
  195. const viewImg = new ViewElement( 'img' );
  196. converter.bindElements( domImg, viewImg );
  197. const viewP = converter.domToView( domP );
  198. const viewText = viewP.getChild( 1 );
  199. expect( converter.getCorrespondingDomText( viewText ) ).to.equal( domText );
  200. } );
  201. it( 'should return corresponding DOM text based on parent', () => {
  202. const domText = document.createTextNode( 'foo' );
  203. const domP = document.createElement( 'p' );
  204. domP.appendChild( domText );
  205. const viewP = converter.domToView( domP );
  206. const viewText = viewP.getChild( 0 );
  207. converter.bindElements( domP, viewP );
  208. expect( converter.getCorrespondingDomText( viewText ) ).to.equal( domText );
  209. } );
  210. it( 'should return null if sibling is not bound', () => {
  211. const domImg = document.createElement( 'img' );
  212. const domText = document.createTextNode( 'foo' );
  213. const domP = document.createElement( 'p' );
  214. domP.appendChild( domImg );
  215. domP.appendChild( domText );
  216. const viewP = converter.domToView( domP );
  217. const viewText = viewP.getChild( 1 );
  218. converter.bindElements( domP, viewP );
  219. expect( converter.getCorrespondingDomText( viewText ) ).to.be.null;
  220. } );
  221. it( 'should return null if parent is not bound', () => {
  222. const domText = document.createTextNode( 'foo' );
  223. const domP = document.createElement( 'p' );
  224. domP.appendChild( domText );
  225. const viewP = converter.domToView( domP );
  226. const viewText = viewP.getChild( 0 );
  227. expect( converter.getCorrespondingDomText( viewText ) ).to.be.null;
  228. } );
  229. it( 'should return null if there is no previous sibling and parent', () => {
  230. const domText = document.createTextNode( 'foo' );
  231. const viewText = converter.domToView( domText );
  232. expect( converter.getCorrespondingDomText( viewText ) ).to.be.null;
  233. } );
  234. } );
  235. } );