/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* globals console, window, document */ import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor'; import Enter from '@ckeditor/ckeditor5-enter/src/enter'; import Typing from '@ckeditor/ckeditor5-typing/src/typing'; import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph'; import Bold from '@ckeditor/ckeditor5-basic-styles/src/bold'; import Italic from '@ckeditor/ckeditor5-basic-styles/src/italic'; import List from '@ckeditor/ckeditor5-list/src/list'; import Heading from '@ckeditor/ckeditor5-heading/src/heading'; import Undo from '@ckeditor/ckeditor5-undo/src/undo'; import Position from '../../src/model/position'; import Range from '../../src/model/range'; const markerNames = []; let model = null; let _uid = 1; ClassicEditor .create( document.querySelector( '#editor' ), { plugins: [ Enter, Typing, Paragraph, Bold, Italic, List, Heading, Undo ], toolbar: [ 'heading', '|', 'bold', 'italic', 'bulletedList', 'numberedList', 'undo', 'redo' ] } ) .then( editor => { window.editor = editor; model = editor.model; editor.conversion.for( 'editingDowncast' ).markerToHighlight( { model: 'highlight', view: data => { const color = data.markerName.split( ':' )[ 1 ]; return { classes: 'h-' + color, priority: 1 }; } } ); editor.conversion.for( 'dataDowncast' ).markerToHighlight( { model: 'highlight', view: data => { const color = data.markerName.split( ':' )[ 1 ]; return { classes: 'h-' + color, priority: 1 }; } } ); window.document.getElementById( 'add-yellow' ).addEventListener( 'mousedown', e => { e.preventDefault(); addHighlight( 'yellow' ); } ); window.document.getElementById( 'add-red' ).addEventListener( 'mousedown', e => { e.preventDefault(); addHighlight( 'red' ); } ); window.document.getElementById( 'remove-marker' ).addEventListener( 'mousedown', e => { e.preventDefault(); removeHighlight(); } ); window.document.getElementById( 'move-to-start' ).addEventListener( 'mousedown', e => { e.preventDefault(); moveSelectionToStart(); } ); window.document.getElementById( 'move-left' ).addEventListener( 'mousedown', e => { e.preventDefault(); moveSelectionByOffset( -1 ); } ); window.document.getElementById( 'move-right' ).addEventListener( 'mousedown', e => { e.preventDefault(); moveSelectionByOffset( 1 ); } ); model.change( writer => { const root = model.document.getRoot(); const range = new Range( new Position( root, [ 0, 10 ] ), new Position( root, [ 0, 16 ] ) ); const name = 'highlight:yellow:' + uid(); markerNames.push( name ); writer.addMarker( name, { range, usingOperation: false, affectsData: true } ); } ); } ) .catch( err => { console.error( err.stack ); } ); function uid() { return _uid++; } function addHighlight( color ) { model.change( writer => { const range = model.document.selection.getFirstRange(); const name = 'highlight:' + color + ':' + uid(); markerNames.push( name ); writer.addMarker( name, { range, usingOperation: false } ); } ); } function removeHighlight() { model.change( writer => { const pos = model.document.selection.getFirstPosition(); for ( let i = 0; i < markerNames.length; i++ ) { const name = markerNames[ i ]; const marker = model.markers.get( name ); const range = marker.getRange(); if ( range.containsPosition( pos ) || range.start.isEqual( pos ) || range.end.isEqual( pos ) ) { writer.removeMarker( name ); markerNames.splice( i, 1 ); break; } } } ); } function moveSelectionToStart() { const range = model.document.selection.getFirstRange(); if ( range.isFlat ) { model.change( writer => { writer.move( range, new Position( model.document.getRoot(), [ 0, 0 ] ) ); } ); } } function moveSelectionByOffset( offset ) { const range = model.document.selection.getFirstRange(); const pos = offset < 0 ? range.start : range.end; if ( range.isFlat ) { model.change( writer => { writer.move( range, pos.getShiftedBy( offset ) ); } ); } }