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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / actions / PageSettingsHandler.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.actions;\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.ui.IWorkbenchPart;\r
18 import org.eclipse.ui.handlers.HandlerUtil;\r
19 import org.simantics.db.Resource;\r
20 import org.simantics.modeling.ui.diagram.PageSettingsDialog;\r
21 import org.simantics.modeling.ui.diagramEditor.DiagramEditor;\r
22 import org.simantics.ui.workbench.IResourceEditorInput;\r
23 \r
24 \r
25 /**\r
26  * A Handler that shows PageSettings Dialog for DiagramViewer\r
27  * \r
28  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
29  */\r
30 public class PageSettingsHandler extends AbstractHandler {\r
31 \r
32     @Override\r
33     public Object execute(ExecutionEvent event) throws ExecutionException {\r
34         IWorkbenchPart ap = HandlerUtil.getActivePart(event);\r
35         if (ap instanceof DiagramEditor) {\r
36             DiagramEditor editor = (DiagramEditor) ap;\r
37             IResourceEditorInput input = (IResourceEditorInput)editor.getEditorInput();\r
38             Resource diagramResource = input.getResource();\r
39             if (diagramResource == null)\r
40                 return null;\r
41 \r
42             PageSettingsDialog dialog = new PageSettingsDialog(diagramResource, ap.getSite().getShell());\r
43             if (dialog.open() == PageSettingsDialog.OK) {\r
44                 dialog.applySettings();\r
45             }\r
46         }\r
47         return null;\r
48     }\r
49 \r
50 }\r