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- /**
- * @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';
- import NodeList from '../nodelist.js';
- /**
- * To provide specific OT behavior and better collisions solving, the {@link treeModel.Batch#insert} method
- * uses the `WeakInsertDelta` class which inherits from the `Delta` class and may overwrite some methods.
- *
- * @class treeModel.delta.WeakInsertDelta
- */
- export default class WeakInsertDelta extends Delta {}
- /**
- * Inserts a node or nodes at the given position. {@link treeModel.Batch#weakInsert} is commonly used for actions
- * like typing or plain-text paste (without formatting). There are two differences between
- * {@link treeModel.Batch#insert} and {@link treeModel.Batch#weakInsert}:
- * * When using `weakInsert`, inserted nodes will have same attributes as the current attributes of
- * {@link treeModel.Document#selection document selection}.
- * * The above has to be reflected during {@link treeModel.operation.transform operational transformation}. Normal
- * behavior is that inserting inside range changed by {@link treeModel.operation.AttributeOperation} splits the operation
- * into two operations, which "omit" the inserted nodes. The correct behavior for `WeakInsertDelta` is that
- * {@link treeModel.operation.AttributeOperation} does not "break" and also applies attributes for inserted nodes.
- *
- * @chainable
- * @memberOf treeModel.Batch
- * @method weakInsert
- * @param {treeModel.Position} position Position of insertion.
- * @param {treeModel.NodesSet} nodes The list of nodes to be inserted.
- * List of nodes can be of any type accepted by the {@link treeModel.NodeList} constructor.
- */
- register( 'weakInsert', function( position, nodes ) {
- const delta = new WeakInsertDelta();
- nodes = new NodeList( nodes );
- for ( let node of nodes._nodes ) {
- node._attrs.setTo( this.doc.selection._attrs );
- }
- const operation = new InsertOperation( position, nodes, this.doc.version );
- this.doc.applyOperation( operation );
- delta.addOperation( operation );
- this.addDelta( delta );
- return this;
- } );
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