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Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / actions / CollapseAll.java
1 /*******************************************************************************
2  * Copyright (c) 2016 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     Semantum Oy - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.browsing.ui.common.actions;
13
14 import org.eclipse.core.commands.AbstractHandler;
15 import org.eclipse.core.commands.ExecutionEvent;
16 import org.eclipse.core.commands.ExecutionException;
17 import org.eclipse.ui.handlers.HandlerUtil;
18 import org.simantics.browsing.ui.GraphExplorer;
19 import org.simantics.browsing.ui.common.NodeContextUtil;
20
21 /**
22  * @author Tuukka Lehtonen
23  * @since 1.24.0
24  */
25 public class CollapseAll extends AbstractHandler {
26
27     @Override
28     public Object execute(ExecutionEvent event) throws ExecutionException {
29         GraphExplorer explorer = HandlerUtil.getActivePart(event).getAdapter(GraphExplorer.class);
30         if (explorer != null)
31             NodeContextUtil.collapseAllNodes(explorer);
32         return null;
33     }
34
35 }