resizer.js 5.7 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. } )
  22. .then( newEditor => {
  23. editor = newEditor;
  24. } );
  25. } );
  26. after( () => {
  27. editorElement.remove();
  28. return editor.destroy();
  29. } );
  30. it( 'constructs properly', () => {
  31. const resizerInstance = createResizer();
  32. expect( resizerInstance.isEnabled ).to.be.true;
  33. } );
  34. describe( 'markup', () => {
  35. let resizerInstance, renderedElement;
  36. before( () => {
  37. resizerInstance = createResizer();
  38. resizerInstance.attach();
  39. renderedElement = resizerInstance._viewResizerWrapper.render( document );
  40. } );
  41. after( () => {
  42. renderedElement.remove();
  43. } );
  44. it( 'root element contains proper classes', () => {
  45. const rootElementClasses = Array.from( renderedElement.classList );
  46. expect( rootElementClasses ).to.include( 'ck' );
  47. expect( rootElementClasses ).to.include( 'ck-reset_all' );
  48. expect( rootElementClasses ).to.include( 'ck-widget__resizer' );
  49. } );
  50. it( 'includes handle for each corner', () => {
  51. const handleSelectors = [
  52. '.ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right',
  53. '.ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left',
  54. '.ck-widget__resizer__handle.ck-widget__resizer__handle-top-left',
  55. '.ck-widget__resizer__handle.ck-widget__resizer__handle-top-right'
  56. ];
  57. for ( const selector of handleSelectors ) {
  58. expect( renderedElement.querySelectorAll( selector ).length, `Selector "${ selector }" matches` ).to.be.equal( 1 );
  59. }
  60. } );
  61. it( 'renders sizeUi', () => {
  62. expect( renderedElement.querySelectorAll( '.ck-size-view' ).length ).to.be.equal( 1 );
  63. } );
  64. } );
  65. describe( 'attach()', () => {
  66. it( 'doesn\'t show resizer if it\'s initialized as disabled', () => {
  67. const resizerInstance = createResizer();
  68. resizerInstance.isEnabled = false;
  69. resizerInstance.attach();
  70. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  71. expect( domResizeeWrapper.style.display ).to.be.equal( 'none' );
  72. } );
  73. it( 'hides the resizer if it gets disabled at a runtime', () => {
  74. const resizerInstance = createResizer();
  75. resizerInstance.isEnabled = true;
  76. resizerInstance.attach();
  77. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  78. resizerInstance.isEnabled = false;
  79. expect( domResizeeWrapper.style.display ).to.be.equal( 'none' );
  80. } );
  81. it( 'restores the resizer if it gets enabled at a runtime', () => {
  82. const resizerInstance = createResizer();
  83. resizerInstance.isEnabled = false;
  84. resizerInstance.attach();
  85. const domResizeeWrapper = resizerInstance._viewResizerWrapper.render( document );
  86. resizerInstance.isEnabled = true;
  87. expect( domResizeeWrapper.style.display ).to.be.equal( '' );
  88. } );
  89. } );
  90. describe( 'redraw()', () => {
  91. it( 'works fetch proper rect if handleHostRect argument not given explicitly', () => {
  92. const resizerInstance = createResizer( {
  93. getHandleHost: widgetWrapper => widgetWrapper
  94. } );
  95. resizerInstance.attach();
  96. const renderedElement = resizerInstance._viewResizerWrapper.render( document );
  97. document.body.appendChild( renderedElement );
  98. resizerInstance.redraw();
  99. // Cleanup.
  100. renderedElement.remove();
  101. } );
  102. } );
  103. describe( '_proposeNewSize()', () => {
  104. let resizer;
  105. beforeEach( () => {
  106. const state = {
  107. originalWidth: 40,
  108. originalHeight: 40,
  109. originalWidthPercents: 10,
  110. aspectRatio: 1,
  111. _referenceCoordinates: {
  112. x: 0,
  113. y: 0
  114. },
  115. activeHandlePosition: 'bottom-right'
  116. };
  117. resizer = createResizer();
  118. resizer.state = state;
  119. } );
  120. it( 'enlarges center-aligned objects correctly', () => {
  121. // Note that center-aligned objects needs to be enlarged twice as much
  122. // as your x-axis mouse distance, since it expands towards both directions.
  123. const proposedSize = resizer._proposeNewSize( {
  124. pageX: 50,
  125. pageY: 50
  126. } );
  127. expect( proposedSize.width, 'width' ).to.be.equal( 60 );
  128. expect( proposedSize.height, 'height' ).to.be.equal( 60 );
  129. expect( proposedSize.widthPercents, 'widthPercents' ).to.be.equal( 15 );
  130. } );
  131. it( 'enlarges objects correctly', () => {
  132. resizer._options.isCentered = () => false;
  133. const proposedSize = resizer._proposeNewSize( {
  134. pageX: 50,
  135. pageY: 50
  136. } );
  137. expect( proposedSize.width, 'width' ).to.be.equal( 50 );
  138. expect( proposedSize.height, 'height' ).to.be.equal( 50 );
  139. expect( proposedSize.widthPercents, 'widthPercents' ).to.be.equal( 12.5 );
  140. } );
  141. it( 'rounds returned width and height properties', () => {
  142. const proposedSize = resizer._proposeNewSize( {
  143. pageX: 50.000000000002,
  144. pageY: 50.000000000002
  145. } );
  146. expect( proposedSize.width, 'width' ).to.be.equal( 60 );
  147. expect( proposedSize.height, 'height' ).to.be.equal( 60 );
  148. } );
  149. } );
  150. function createResizer( customOptions ) {
  151. const model = new Element( 'resizable' );
  152. const viewElement = new ContainerElement( 'div' );
  153. return new Resizer( Object.assign( {
  154. modelElement: model,
  155. viewElement,
  156. editor
  157. }, customOptions ) );
  158. }
  159. } );