resizer.js 4.6 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. } )
  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( 'redraw()', () => {
  66. it( 'works fetch proper rect if handleHostRect argument not given explicitly', () => {
  67. const resizerInstance = createResizer( {
  68. getHandleHost: widgetWrapper => widgetWrapper
  69. } );
  70. resizerInstance.attach();
  71. const renderedElement = resizerInstance._viewResizerWrapper.render( document );
  72. document.body.appendChild( renderedElement );
  73. resizerInstance.redraw();
  74. // Cleanup.
  75. renderedElement.remove();
  76. } );
  77. } );
  78. describe( '_proposeNewSize()', () => {
  79. let resizer;
  80. beforeEach( () => {
  81. const state = {
  82. originalWidth: 40,
  83. originalHeight: 40,
  84. originalWidthPercents: 10,
  85. aspectRatio: 1,
  86. _referenceCoordinates: {
  87. x: 0,
  88. y: 0
  89. },
  90. activeHandlePosition: 'bottom-right'
  91. };
  92. resizer = createResizer();
  93. resizer.state = state;
  94. } );
  95. it( 'enlarges center-aligned objects correctly', () => {
  96. // Note that center-aligned objects needs to be enlarged twice as much
  97. // as your x-axis mouse distance, since it expands towards both directions.
  98. const proposedSize = resizer._proposeNewSize( {
  99. pageX: 50,
  100. pageY: 50
  101. } );
  102. expect( proposedSize.width, 'width' ).to.be.equal( 60 );
  103. expect( proposedSize.height, 'height' ).to.be.equal( 60 );
  104. expect( proposedSize.widthPercents, 'widthPercents' ).to.be.equal( 15 );
  105. } );
  106. it( 'enlarges objects correctly', () => {
  107. resizer._options.isCentered = () => false;
  108. const proposedSize = resizer._proposeNewSize( {
  109. pageX: 50,
  110. pageY: 50
  111. } );
  112. expect( proposedSize.width, 'width' ).to.be.equal( 50 );
  113. expect( proposedSize.height, 'height' ).to.be.equal( 50 );
  114. expect( proposedSize.widthPercents, 'widthPercents' ).to.be.equal( 12.5 );
  115. } );
  116. it( 'rounds returned width and height properties', () => {
  117. const proposedSize = resizer._proposeNewSize( {
  118. pageX: 50.000000000002,
  119. pageY: 50.000000000002
  120. } );
  121. expect( proposedSize.width, 'width' ).to.be.equal( 60 );
  122. expect( proposedSize.height, 'height' ).to.be.equal( 60 );
  123. } );
  124. } );
  125. function createResizer( customOptions ) {
  126. const model = new Element( 'resizable' );
  127. const viewElement = new ContainerElement( 'div' );
  128. return new Resizer( Object.assign( {
  129. modelElement: model,
  130. viewElement,
  131. editor
  132. }, customOptions ) );
  133. }
  134. } );