]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/actions/CollapseSelected.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / actions / CollapseSelected.java
1 /*******************************************************************************\r
2  * Copyright (c) 2016 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     Semantum Oy - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.browsing.ui.common.actions;\r
13 \r
14 import java.util.Set;\r
15 \r
16 import org.eclipse.core.commands.AbstractHandler;\r
17 import org.eclipse.core.commands.ExecutionEvent;\r
18 import org.eclipse.core.commands.ExecutionException;\r
19 import org.eclipse.ui.handlers.HandlerUtil;\r
20 import org.simantics.browsing.ui.GraphExplorer;\r
21 import org.simantics.browsing.ui.NodeContext;\r
22 import org.simantics.browsing.ui.common.NodeContextUtil;\r
23 import org.simantics.utils.ui.ISelectionUtils;\r
24 \r
25 /**\r
26  * @author Tuukka Lehtonen\r
27  * @since 1.24.0\r
28  */\r
29 public class CollapseSelected extends AbstractHandler {\r
30 \r
31     @Override\r
32     public Object execute(ExecutionEvent event) throws ExecutionException {\r
33         GraphExplorer explorer = HandlerUtil.getActivePart(event).getAdapter(GraphExplorer.class);\r
34         if (explorer == null)\r
35             return null;\r
36         Set<NodeContext> nodes = ISelectionUtils.filterSetSelection(HandlerUtil.getCurrentSelection(event), NodeContext.class);\r
37         if (nodes.isEmpty())\r
38             return null;\r
39         NodeContextUtil.collapseNodesUnder(explorer, nodes);\r
40         return null;\r
41     }\r
42 \r
43 }\r