| /* |
| * Copyright (c) 2014-2017 BSI Business Systems Integration AG. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * BSI Business Systems Integration AG - initial API and implementation |
| */ |
| export default class LazyNodeFilter { |
| |
| constructor(tree) { // |
| this.tree = tree; |
| } |
| |
| accept(node) { |
| if (!node.expanded && node.parentNode && node.parentNode.expandedLazy && node.parentNode.lazyExpandingEnabled && this.tree.lazyExpandingEnabled) { |
| // if this node is not expanded and parent is lazyExpanding. |
| for (var i = 0; i < this.tree.selectedNodes.length; i++) { |
| var selectedNode = this.tree.selectedNodes[i]; |
| // not initialized selected nodes |
| if (typeof selectedNode === 'string') { |
| break; |
| } |
| if (selectedNode === node || selectedNode.isDescendantOf(node)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| return true; |
| } |
| } |
