/** * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* globals console, window, document */ import ClassicEditor from 'ckeditor5/editor-classic/classic.js'; import Enter from 'ckeditor5/enter/enter.js'; import Typing from 'ckeditor5/typing/typing.js'; import Paragraph from 'ckeditor5/paragraph/paragraph.js'; import Bold from 'ckeditor5/basic-styles/bold.js'; import Italic from 'ckeditor5/basic-styles/italic.js'; import List from 'ckeditor5/list/list.js'; import Heading from 'ckeditor5/heading/heading.js'; import Undo from 'ckeditor5/undo/undo.js'; import buildModelConverter from 'ckeditor5/engine/conversion/buildmodelconverter.js'; import Position from 'ckeditor5/engine/model/position.js'; import LiveRange from 'ckeditor5/engine/model/liverange.js'; import ViewAttributeElement from 'ckeditor5/engine/view/attributeelement.js'; let model = null; ClassicEditor.create( document.querySelector( '#editor' ), { plugins: [ Enter, Typing, Paragraph, Bold, Italic, List, Heading, Undo ], toolbar: [ 'headings', 'bold', 'italic', 'bulletedList', 'numberedList', 'undo', 'redo' ] } ) .then( editor => { window.editor = editor; model = window.editor.editing.model; buildModelConverter().for( editor.editing.modelToView ). fromMarker( 'highlight' ). toElement( ( data ) => { const color = data.name.split( ':' )[ 1 ]; return new ViewAttributeElement( 'span', { class: 'h-' + color } ); } ); window.document.getElementById( 'add-yellow' ).addEventListener( 'click', () => addHighlight( 'yellow' ) ); window.document.getElementById( 'add-red' ).addEventListener( 'click', () => addHighlight( 'red' ) ); window.document.getElementById( 'remove-marker' ).addEventListener( 'click', () => removeHighlight() ); window.document.getElementById( 'move-to-start' ).addEventListener( 'click', () => moveSelectionToStart() ); window.document.getElementById( 'move-left' ).addEventListener( 'click', () => moveSelectionByOffset( -1 ) ); window.document.getElementById( 'move-right' ).addEventListener( 'click', () => moveSelectionByOffset( 1 ) ); model.enqueueChanges( () => { const root = model.getRoot(); const range = new LiveRange( new Position( root, [ 0, 10 ] ), new Position( root, [ 0, 16 ] ) ); const name = 'highlight:yellow:' + uid(); markerNames.push( name ); model.markers.add( name, range ); } ); } ) .catch( err => { console.error( err.stack ); } ); const markerNames = []; let _uid = 1; function uid() { return _uid++; } function addHighlight( color ) { model.enqueueChanges( () => { const range = LiveRange.createFromRange( model.selection.getFirstRange() ); const name = 'highlight:' + color + ':' + uid(); markerNames.push( name ); model.markers.add( name, range ); } ); } function removeHighlight() { model.enqueueChanges( () => { const pos = model.selection.getFirstPosition(); for ( let i = 0; i < markerNames.length; i++ ) { const name = markerNames[ i ]; const range = model.markers.get( name ); if ( range.containsPosition( pos ) || range.start.isEqual( pos ) || range.end.isEqual( pos ) ) { model.markers.remove( name ); range.detach(); markerNames.splice( i, 1 ); break; } } } ); } function moveSelectionToStart() { const range = model.selection.getFirstRange(); if ( range.isFlat ) { model.enqueueChanges( () => { model.batch().move( range, new Position( model.getRoot(), [ 0, 0 ] ) ); } ); } } function moveSelectionByOffset( offset ) { const range = model.selection.getFirstRange(); const pos = offset < 0 ? range.start : range.end; if ( range.isFlat ) { model.enqueueChanges( () => { model.batch().move( range, pos.getShiftedBy( offset ) ); } ); } }