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, consumable, conversionApi ) => {
  44. const viewWriter = conversionApi.writer;
  45. const widgetElement = viewWriter.createContainerElement( 'figure', { class: 'fancy-widget' } );
  46. viewWriter.insert( ViewPosition.createAt( widgetElement ), viewWriter.createText( 'widget' ) );
  47. return toWidget( widgetElement, viewWriter );
  48. }
  49. } ) );
  50. conversion.for( 'upcast' )
  51. .add( upcastElementToElement( {
  52. view: 'figure',
  53. model: 'fancywidget'
  54. } ) );
  55. }
  56. }
  57. ClassicEditor.create( global.document.querySelector( '#editor' ), {
  58. plugins: [ Enter, Typing, Paragraph, Undo, Heading, Bold, Italic, List, FancyWidget ],
  59. toolbar: [ 'headings', '|', 'undo', 'redo', 'bold', 'italic', 'numberedList', 'bulletedList' ]
  60. } )
  61. .then( editor => {
  62. window.editor = editor;
  63. editor.conversion.for( 'editingDowncast' ).add( downcastMarkerToHighlight( {
  64. model: 'marker',
  65. view: data => ( {
  66. class: 'highlight-' + data.markerName.split( ':' )[ 1 ]
  67. } )
  68. } ) );
  69. document.getElementById( 'add-marker-yellow' ).addEventListener( 'mousedown', evt => {
  70. addMarker( editor, 'yellow' );
  71. evt.preventDefault();
  72. } );
  73. document.getElementById( 'add-marker-blue' ).addEventListener( 'mousedown', evt => {
  74. addMarker( editor, 'blue' );
  75. evt.preventDefault();
  76. } );
  77. document.getElementById( 'add-marker-red' ).addEventListener( 'mousedown', evt => {
  78. addMarker( editor, 'red' );
  79. evt.preventDefault();
  80. } );
  81. document.getElementById( 'remove-marker-yellow' ).addEventListener( 'mousedown', evt => {
  82. removeMarker( editor, 'yellow' );
  83. evt.preventDefault();
  84. } );
  85. document.getElementById( 'remove-marker-blue' ).addEventListener( 'mousedown', evt => {
  86. removeMarker( editor, 'blue' );
  87. evt.preventDefault();
  88. } );
  89. document.getElementById( 'remove-marker-red' ).addEventListener( 'mousedown', evt => {
  90. removeMarker( editor, 'red' );
  91. evt.preventDefault();
  92. } );
  93. document.getElementById( 'remove-markers' ).addEventListener( 'mousedown', evt => {
  94. const markers = editor.model.markers;
  95. editor.model.change( writer => {
  96. for ( const marker of markers ) {
  97. writer.removeMarker( marker );
  98. }
  99. } );
  100. evt.preventDefault();
  101. } );
  102. } )
  103. .catch( err => {
  104. console.error( err.stack );
  105. } );
  106. function addMarker( editor, color ) {
  107. editor.model.change( writer => {
  108. const range = ModelRange.createFromRange( editor.model.document.selection.getFirstRange() );
  109. writer.setMarker( 'marker:' + color, range );
  110. } );
  111. }
  112. function removeMarker( editor, color ) {
  113. editor.model.change( writer => {
  114. writer.removeMarker( 'marker:' + color );
  115. } );
  116. }