]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.team.ui/src/org/simantics/team/ui/handlers/UndoToSelectedRevisionHandler.java
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[simantics/platform.git] / bundles / org.simantics.team.ui / src / org / simantics / team / ui / handlers / UndoToSelectedRevisionHandler.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 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  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.team.ui.handlers;\r
13 \r
14 import org.eclipse.core.commands.AbstractHandler;\r
15 import org.eclipse.core.commands.ExecutionEvent;\r
16 import org.eclipse.core.commands.ExecutionException;\r
17 import org.eclipse.jface.viewers.ISelection;\r
18 import org.eclipse.jface.viewers.IStructuredSelection;\r
19 import org.eclipse.ui.handlers.HandlerUtil;\r
20 import org.simantics.db.common.utils.Logger;\r
21 import org.simantics.team.ui.Command;\r
22 \r
23 public class UndoToSelectedRevisionHandler extends AbstractHandler {\r
24     public UndoToSelectedRevisionHandler() {\r
25     }\r
26     @Override\r
27     public Object execute(ExecutionEvent event) throws ExecutionException {\r
28         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
29         if (sel instanceof IStructuredSelection) {\r
30             IStructuredSelection ss = (IStructuredSelection)sel;\r
31             try {\r
32                 Object o = ss.getFirstElement();\r
33                 if (null != o && o instanceof Command)\r
34                     ((Command)o).undoToSelectedRevision();\r
35           } catch (Exception e) {\r
36               Logger.defaultLogError(e);\r
37           }\r
38         }\r
39         return null;\r
40     }\r
41 }\r