/** * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ 'use strict'; import Delta from './delta.js'; import { register } from '../batch-base.js'; import InsertOperation from '../operation/insertoperation.js'; /** * To provide specific OT behavior and better collisions solving, the {@link treeModel.Batch#insert} method * uses the `InsertDelta` class which inherits from the `Delta` class and may overwrite some methods. * * @class treeModel.delta.InsertDelta */ export default class InsertDelta extends Delta {} /** * Inserts a node or nodes at the given position. * * @chainable * @memberOf treeModel.Batch * @method insert * @param {treeModel.Position} position Position of insertion. * @param {treeModel.NodeSet} nodes The list of nodes to be inserted. * List of nodes can be of any type accepted by the {@link treeModel.NodeList} constructor. */ register( 'insert', function( position, nodes ) { const delta = new InsertDelta(); const operation = new InsertOperation( position, nodes, this.doc.version ); this.doc.applyOperation( operation ); delta.addOperation( operation ); this.addDelta( delta ); return this; } );