/********************************************************************************
 * Copyright (C) 2019 Ericsson and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/ import { injectable , inject } from '@theia/core/shared/inversify' ; import { CompositeTreeNode , TreeModelImpl , TreeExpansionService , ExpandableTreeNode , TreeNode } from '@theia/core/lib/browser' ; @ injectable ( ) export class OutlineViewTreeModel extends TreeModelImpl { @ inject ( TreeExpansionService ) protected readonly expansionService : TreeExpansionService ; param node protected handleExpansion ( node ) { } async collapseAll ( raw ? ) { const node = raw || this . selectedNodes [ 0 ] ; if ( CompositeTreeNode . is ( node ) ) { return this . expansionService . collapseAll ( node ) ; } return false ; } /**
     * The default behavior of `openNode` calls `doOpenNode` which by default
     * toggles the expansion of the node. Overriding to prevent expansion, but
     * allow for the `onOpenNode` event to still fire on a double-click event.
     */ openNode ( raw ? ) { const node = raw || this . selectedNodes [ 0 ] ; if ( node ) { this . onOpenNodeEmitter . fire ( node ) ; } } }