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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / modelBrowser / handlers / RefreshNodeHandler.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.modeling.ui.modelBrowser.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.core.runtime.IAdaptable;\r
18 import org.eclipse.jface.viewers.ISelection;\r
19 import org.eclipse.jface.viewers.IStructuredSelection;\r
20 import org.eclipse.ui.handlers.HandlerUtil;\r
21 import org.simantics.browsing.ui.common.node.IRefreshable;\r
22 \r
23 public class RefreshNodeHandler extends AbstractHandler {\r
24 \r
25     @Override\r
26     public Object execute(ExecutionEvent event) throws ExecutionException {\r
27         ISelection selection = HandlerUtil.getCurrentSelection(event);\r
28         if (!(selection instanceof IStructuredSelection))\r
29             return null;\r
30 \r
31         IStructuredSelection iss = (IStructuredSelection) selection;\r
32         for (Object o : iss.toArray()) {\r
33             IRefreshable ref = null;\r
34             if (o instanceof IRefreshable) {\r
35                 ref = (IRefreshable) o;\r
36             } else if (o instanceof IAdaptable) {\r
37                 ref = (IRefreshable) ((IAdaptable) o).getAdapter(IRefreshable.class);\r
38             }\r
39 \r
40             if (ref != null)\r
41                 ref.refresh();\r
42         }\r
43         return null;\r
44     }\r
45 \r
46 }\r