resizer.js 6.6 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. /* globals document */
  6. import Resizer from '../../src/widgetresize/resizer';
  7. import Element from '@ckeditor/ckeditor5-engine/src/model/element';
  8. import ContainerElement from '@ckeditor/ckeditor5-engine/src/view/containerelement';
  9. import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor';
  10. import ArticlePluginSet from '@ckeditor/ckeditor5-core/tests/_utils/articlepluginset';
  11. describe( 'Resizer', () => {
  12. let editor, editorElement;
  13. before( () => {
  14. editorElement = document.createElement( 'div' );
  15. document.body.append( editorElement );
  16. return ClassicTestEditor
  17. .create( editorElement, {
  18. plugins: [
  19. ArticlePluginSet
  20. ],
  21. image: {
  22. toolbar: [ 'imageStyle:full', 'imageStyle:side' ]
  23. }
  24. } )
  25. .then( newEditor => {
  26. editor = newEditor;
  27. } );
  28. } );
  29. after( () => {
  30. editorElement.remove();
  31. return editor.destroy();
  32. } );
  33. it( 'constructs properly', () => {
  34. const resizerInstance = createResizer();
  35. expect( resizerInstance.isEnabled ).to.be.true;
  36. } );
  37. describe( 'markup', () => {
  38. let resizerInstance, renderedElement;
  39. before( () => {
  40. resizerInstance = createResizer();
  41. resizerInstance.attach();
  42. renderedElement = resizerInstance._viewResizerWrapper.render( document );
  43. } );
  44. after( () => {
  45. renderedElement.remove();
  46. } );
  47. it( 'root element contains proper classes', () => {
  48. const rootElementClasses = Array.from( renderedElement.classList );
  49. expect( rootElementClasses ).to.include( 'ck' );
  50. expect( rootElementClasses ).to.include( 'ck-reset_all' );
  51. expect( rootElementClasses ).to.include( 'ck-widget__resizer' );
  52. } );
  53. it( 'includes handle for each corner', () => {
  54. const handleSelectors = [
  55. '.ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right',
  56. '.ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left',
  57. '.ck-widget__resizer__handle.ck-widget__resizer__handle-top-left',
  58. '.ck-widget__resizer__handle.ck-widget__resizer__handle-top-right'
  59. ];
  60. for ( const selector of handleSelectors ) {
  61. expect( renderedElement.querySelectorAll( selector ).length, `Selector "${ selector }" matches` ).to.equal( 1 );
  62. }
  63. } );
  64. it( 'renders sizeUi', () => {
  65. expect( renderedElement.querySelectorAll( '.ck-size-view' ).length ).to.equal( 1 );
  66. } );
  67. } );
  68. describe( 'attach()', () => {
  69. it( 'doesn\'t show resizer if it\'s initialized as disabled', () => {
  70. const resizerInstance = createResizer();
  71. resizerInstance.isEnabled = false;
  72. resizerInstance.attach();
  73. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  74. expect( domResizeeWrapper.style.display ).to.equal( 'none' );
  75. } );
  76. it( 'hides the resizer if it gets disabled at a runtime', () => {
  77. const resizerInstance = createResizer();
  78. resizerInstance.isEnabled = true;
  79. resizerInstance.attach();
  80. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  81. resizerInstance.isEnabled = false;
  82. expect( domResizeeWrapper.style.display ).to.equal( 'none' );
  83. } );
  84. it( 'restores the resizer if it gets enabled at a runtime', () => {
  85. const resizerInstance = createResizer();
  86. resizerInstance.isEnabled = false;
  87. resizerInstance.attach();
  88. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  89. resizerInstance.isEnabled = true;
  90. expect( domResizeeWrapper.style.display ).to.equal( '' );
  91. } );
  92. } );
  93. describe( 'redraw()', () => {
  94. it( 'works fetch proper rect if handleHostRect argument not given explicitly', () => {
  95. const resizerInstance = createResizer( {
  96. getHandleHost: widgetWrapper => widgetWrapper
  97. } );
  98. resizerInstance.attach();
  99. const renderedElement = resizerInstance._viewResizerWrapper.render( document );
  100. document.body.appendChild( renderedElement );
  101. resizerInstance.redraw();
  102. // Cleanup.
  103. renderedElement.remove();
  104. } );
  105. // https://github.com/ckeditor/ckeditor5/issues/7633
  106. it( 'should not cause changes in the view unless the host size actually changed', () => {
  107. const resizerInstance = createResizer( {
  108. getHandleHost: widgetWrapper => widgetWrapper
  109. } );
  110. resizerInstance.attach();
  111. const renderedElement = resizerInstance._viewResizerWrapper.render( document );
  112. document.body.appendChild( renderedElement );
  113. const viewChangeSpy = sinon.spy( editor.editing.view, 'change' );
  114. resizerInstance.redraw();
  115. sinon.assert.calledOnce( viewChangeSpy );
  116. resizerInstance.redraw();
  117. sinon.assert.calledOnce( viewChangeSpy );
  118. const host = resizerInstance._getHandleHost();
  119. host.style.width = '123px';
  120. resizerInstance.redraw();
  121. sinon.assert.calledTwice( viewChangeSpy );
  122. // Cleanup.
  123. renderedElement.remove();
  124. } );
  125. } );
  126. describe( '_proposeNewSize()', () => {
  127. let resizer;
  128. beforeEach( () => {
  129. const state = {
  130. originalWidth: 40,
  131. originalHeight: 40,
  132. originalWidthPercents: 10,
  133. aspectRatio: 1,
  134. _referenceCoordinates: {
  135. x: 0,
  136. y: 0
  137. },
  138. activeHandlePosition: 'bottom-right'
  139. };
  140. resizer = createResizer();
  141. resizer.state = state;
  142. } );
  143. it( 'enlarges center-aligned objects correctly', () => {
  144. // Note that center-aligned objects needs to be enlarged twice as much
  145. // as your x-axis mouse distance, since it expands towards both directions.
  146. const proposedSize = resizer._proposeNewSize( {
  147. pageX: 50,
  148. pageY: 50
  149. } );
  150. expect( proposedSize.width, 'width' ).to.equal( 60 );
  151. expect( proposedSize.height, 'height' ).to.equal( 60 );
  152. expect( proposedSize.widthPercents, 'widthPercents' ).to.equal( 15 );
  153. } );
  154. it( 'enlarges objects correctly', () => {
  155. resizer._options.isCentered = () => false;
  156. const proposedSize = resizer._proposeNewSize( {
  157. pageX: 50,
  158. pageY: 50
  159. } );
  160. expect( proposedSize.width, 'width' ).to.equal( 50 );
  161. expect( proposedSize.height, 'height' ).to.equal( 50 );
  162. expect( proposedSize.widthPercents, 'widthPercents' ).to.equal( 12.5 );
  163. } );
  164. it( 'rounds returned width and height properties', () => {
  165. const proposedSize = resizer._proposeNewSize( {
  166. pageX: 50.000000000002,
  167. pageY: 50.000000000002
  168. } );
  169. expect( proposedSize.width, 'width' ).to.equal( 60 );
  170. expect( proposedSize.height, 'height' ).to.equal( 60 );
  171. } );
  172. } );
  173. function createResizer( customOptions ) {
  174. const model = new Element( 'resizable' );
  175. const viewElement = new ContainerElement( 'div' );
  176. return new Resizer( Object.assign( {
  177. modelElement: model,
  178. viewElement,
  179. editor
  180. }, customOptions ) );
  181. }
  182. } );