uielement.js 2.6 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. /* globals console, window, document */
  6. import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
  7. import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
  8. import Enter from '@ckeditor/ckeditor5-enter/src/enter';
  9. import Typing from '@ckeditor/ckeditor5-typing/src/typing';
  10. import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
  11. import Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';
  12. import Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';
  13. import Undo from '@ckeditor/ckeditor5-undo/src/undo';
  14. import UIElement from '../../../src/view/uielement';
  15. import Position from '../../../src/view/position';
  16. import writer from '../../../src/view/writer';
  17. function createEndingUIElement() {
  18. const element = new UIElement( 'span' );
  19. element.render = function( domDocument ) {
  20. const root = this.toDomElement( domDocument );
  21. root.classList.add( 'ui-element' );
  22. root.innerHTML = 'END OF PARAGRAPH';
  23. return root;
  24. };
  25. return element;
  26. }
  27. function createMiddleUIElement() {
  28. const element = new UIElement( 'span' );
  29. element.render = function( domDocument ) {
  30. const root = this.toDomElement( domDocument );
  31. root.classList.add( 'ui-element' );
  32. root.innerHTML = 'X';
  33. return root;
  34. };
  35. return element;
  36. }
  37. class UIElementTestPlugin extends Plugin {
  38. init() {
  39. const editor = this.editor;
  40. const editing = editor.editing;
  41. // Add some UIElement to each paragraph.
  42. editing.modelToView.on( 'insert:paragraph', ( evt, data, consumable, conversionApi ) => {
  43. const viewP = conversionApi.mapper.toViewElement( data.item );
  44. viewP.appendChildren( createEndingUIElement() );
  45. }, { priority: 'lowest' } );
  46. }
  47. }
  48. ClassicEditor
  49. .create( document.querySelector( '#editor' ), {
  50. plugins: [ Enter, Typing, Paragraph, Undo, Bold, Italic, UIElementTestPlugin ],
  51. toolbar: [ 'undo', 'redo', 'bold', 'italic' ]
  52. } )
  53. .then( editor => {
  54. window.editor = editor;
  55. // Add some UI elements.
  56. const viewRoot = editor.editing.view.getRoot();
  57. const viewText1 = viewRoot.getChild( 0 ).getChild( 0 );
  58. const viewText2 = viewRoot.getChild( 1 ).getChild( 0 );
  59. writer.insert( new Position( viewText1, 20 ), createMiddleUIElement() );
  60. writer.insert( new Position( viewText1, 20 ), createMiddleUIElement() );
  61. writer.insert( new Position( viewText2, 0 ), createMiddleUIElement() );
  62. writer.insert( new Position( viewText2, 6 ), createMiddleUIElement() );
  63. editor.editing.view.render();
  64. } )
  65. .catch( err => {
  66. console.error( err.stack );
  67. } );