highlight.js 4.2 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* global console, window, document */
  6. import ModelRange from '../../src/model/range';
  7. import ViewPosition from '../../src/view/position';
  8. import {
  9. upcastElementToElement,
  10. } from '../../src/conversion/upcast-converters';
  11. import {
  12. downcastElementToElement,
  13. downcastMarkerToHighlight
  14. } from '../../src/conversion/downcast-converters';
  15. import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
  16. import Enter from '@ckeditor/ckeditor5-enter/src/enter';
  17. import Typing from '@ckeditor/ckeditor5-typing/src/typing';
  18. import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
  19. import Undo from '@ckeditor/ckeditor5-undo/src/undo';
  20. import Heading from '@ckeditor/ckeditor5-heading/src/heading';
  21. import Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';
  22. import Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';
  23. import List from '@ckeditor/ckeditor5-list/src/list';
  24. import global from '@ckeditor/ckeditor5-utils/src/dom/global';
  25. import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
  26. import Widget from '@ckeditor/ckeditor5-widget/src/widget';
  27. import { toWidget } from '@ckeditor/ckeditor5-widget/src/utils';
  28. class FancyWidget extends Plugin {
  29. static get requires() {
  30. return [ Widget ];
  31. }
  32. init() {
  33. const editor = this.editor;
  34. const schema = editor.model.schema;
  35. const conversion = editor.conversion;
  36. // Configure schema.
  37. schema.register( 'fancywidget', {
  38. isObject: true
  39. } );
  40. schema.extend( 'fancywidget', { allowIn: '$root' } );
  41. conversion.for( 'editingDowncast' ).add( downcastElementToElement( {
  42. model: 'fancywidget',
  43. view: ( modelItem, viewWriter ) => {
  44. const widgetElement = viewWriter.createContainerElement( 'figure', { class: 'fancy-widget' } );
  45. viewWriter.insert( ViewPosition.createAt( widgetElement ), viewWriter.createText( 'widget' ) );
  46. return toWidget( widgetElement, viewWriter );
  47. }
  48. } ) );
  49. conversion.for( 'upcast' )
  50. .add( upcastElementToElement( {
  51. view: 'figure',
  52. model: 'fancywidget'
  53. } ) );
  54. }
  55. }
  56. ClassicEditor.create( global.document.querySelector( '#editor' ), {
  57. plugins: [ Enter, Typing, Paragraph, Undo, Heading, Bold, Italic, List, FancyWidget ],
  58. toolbar: [ 'heading', '|', 'undo', 'redo', 'bold', 'italic', 'numberedList', 'bulletedList' ]
  59. } )
  60. .then( editor => {
  61. window.editor = editor;
  62. editor.conversion.for( 'editingDowncast' ).add( downcastMarkerToHighlight( {
  63. model: 'marker',
  64. view: data => ( {
  65. classes: 'highlight-' + data.markerName.split( ':' )[ 1 ]
  66. } )
  67. } ) );
  68. document.getElementById( 'add-marker-yellow' ).addEventListener( 'mousedown', evt => {
  69. addMarker( editor, 'yellow' );
  70. evt.preventDefault();
  71. } );
  72. document.getElementById( 'add-marker-blue' ).addEventListener( 'mousedown', evt => {
  73. addMarker( editor, 'blue' );
  74. evt.preventDefault();
  75. } );
  76. document.getElementById( 'add-marker-red' ).addEventListener( 'mousedown', evt => {
  77. addMarker( editor, 'red' );
  78. evt.preventDefault();
  79. } );
  80. document.getElementById( 'remove-marker-yellow' ).addEventListener( 'mousedown', evt => {
  81. removeMarker( editor, 'yellow' );
  82. evt.preventDefault();
  83. } );
  84. document.getElementById( 'remove-marker-blue' ).addEventListener( 'mousedown', evt => {
  85. removeMarker( editor, 'blue' );
  86. evt.preventDefault();
  87. } );
  88. document.getElementById( 'remove-marker-red' ).addEventListener( 'mousedown', evt => {
  89. removeMarker( editor, 'red' );
  90. evt.preventDefault();
  91. } );
  92. document.getElementById( 'remove-markers' ).addEventListener( 'mousedown', evt => {
  93. const markers = editor.model.markers;
  94. editor.model.change( writer => {
  95. for ( const marker of markers ) {
  96. writer.removeMarker( marker );
  97. }
  98. } );
  99. evt.preventDefault();
  100. } );
  101. } )
  102. .catch( err => {
  103. console.error( err.stack );
  104. } );
  105. function addMarker( editor, color ) {
  106. editor.model.change( writer => {
  107. const range = ModelRange.createFromRange( editor.model.document.selection.getFirstRange() );
  108. writer.addMarker( 'marker:' + color, { range, usingOperation: false } );
  109. } );
  110. }
  111. function removeMarker( editor, color ) {
  112. editor.model.change( writer => {
  113. writer.removeMarker( 'marker:' + color );
  114. } );
  115. }