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[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / workbench / SharedHeaderResourceFormEditor.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.eclipse.core.runtime.IProgressMonitor;\r
15 import org.eclipse.ui.IEditorInput;\r
16 import org.eclipse.ui.IEditorSite;\r
17 import org.eclipse.ui.PartInitException;\r
18 import org.eclipse.ui.forms.editor.SharedHeaderFormEditor;\r
19 import org.simantics.db.Session;\r
20 import org.simantics.db.common.request.ParametrizedRead;\r
21 import org.simantics.ui.SimanticsUI;\r
22 \r
23 /**\r
24  * @author Tuukka Lehtonen\r
25  */\r
26 public abstract class SharedHeaderResourceFormEditor extends SharedHeaderFormEditor implements IResourceEditorPart {\r
27 \r
28     protected boolean               disposed = false;\r
29     protected ResourceEditorSupport support;\r
30 \r
31     /**\r
32      * Override to define your own input resource editor input validator that\r
33      * the view uses by default in {@link #init(IEditorSite, IEditorInput)}.\r
34      * \r
35      * @return\r
36      */\r
37     protected ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {\r
38         return null;\r
39     }\r
40 \r
41     @Override\r
42     public void init(IEditorSite site, IEditorInput input) throws PartInitException {\r
43         init(site, input, getInputValidator());\r
44     }\r
45 \r
46     protected void init(IEditorSite site, IEditorInput input,\r
47             ParametrizedRead<IResourceEditorInput, Boolean> inputValidator) throws PartInitException {\r
48         if (!(input instanceof IResourceEditorInput))\r
49             throw new PartInitException("Invalid input: must be IResourceEditorInput");\r
50         super.init(site, input);\r
51 \r
52         support = new ResourceEditorSupport(this, inputValidator);\r
53 \r
54         // Set initial part name according to the name given by IEditorInput\r
55         setPartName(getEditorInput().getName());\r
56 \r
57         Session session = SimanticsUI.peekSession();\r
58         if (session != null) {\r
59             session.asyncRequest(\r
60                     new TitleRequest(site.getId(), getResourceInput()),\r
61                     new TitleUpdater(site.getShell().getDisplay(), this::setPartName, () -> disposed));\r
62         }\r
63     }\r
64 \r
65     @Override\r
66     public void dispose() {\r
67         disposed = true;\r
68         support.dispose();\r
69         super.dispose();\r
70     }\r
71 \r
72     @Override\r
73     public void doSave(IProgressMonitor monitor) {\r
74     }\r
75 \r
76     @Override\r
77     public final void doSaveAs() {\r
78     }\r
79 \r
80     @Override\r
81     public final boolean isSaveAsAllowed() {\r
82         return false;\r
83     }\r
84 \r
85     @Override\r
86     public IResourceEditorInput getResourceInput() {\r
87         return (IResourceEditorInput) getEditorInput();\r
88     }\r
89 \r
90     protected Session getSession() {\r
91         return support.getSession();\r
92     }\r
93 \r
94 }\r