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[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / workbench / ToolTipRequest.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.ui.workbench;\r
13 \r
14 import org.simantics.db.ReadGraph;\r
15 import org.simantics.db.Resource;\r
16 import org.simantics.db.exception.DatabaseException;\r
17 import org.simantics.db.request.Read;\r
18 import org.simantics.project.IProject;\r
19 import org.simantics.ui.SimanticsUI;\r
20 \r
21 /**\r
22  * @author Tuukka Lehtonen\r
23  */\r
24 public class ToolTipRequest implements Read<String> {\r
25 \r
26     private final String               editorId;\r
27 \r
28     private final IResourceEditorInput input;\r
29 \r
30     public ToolTipRequest(String editorId, IResourceEditorInput input) {\r
31         this.editorId = editorId;\r
32         this.input = input;\r
33     }\r
34 \r
35     @Override\r
36     public String perform(ReadGraph graph) throws DatabaseException {\r
37         Resource r = input.getResource();\r
38 \r
39         IProject p = SimanticsUI.peekProject();\r
40         if (p != null) {\r
41             IEditorNamingService ems = EditorNaming.getNamingService(graph, r); \r
42             if (ems instanceof IEditorNamingService2)\r
43                 return ((IEditorNamingService2) ems).getToolTipText(graph, editorId, input);\r
44         }\r
45 \r
46         return graph.syncRequest(new TitleRequest(editorId, input));\r
47     }\r
48 \r
49 }