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Java > Open Source Codes > org > eclipse > pde > internal > ui > editor > target > TargetInputContext


1 /*******************************************************************************
2  * Copyright (c) 2005, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/

11 package org.eclipse.pde.internal.ui.editor.target;
12
13 import java.io.BufferedInputStream JavaDoc;
14 import java.io.IOException JavaDoc;
15 import java.io.InputStream JavaDoc;
16 import java.io.PrintWriter JavaDoc;
17 import java.io.StringWriter JavaDoc;
18 import java.util.ArrayList JavaDoc;
19
20 import org.eclipse.core.resources.IFile;
21 import org.eclipse.core.runtime.CoreException;
22 import org.eclipse.jface.text.IDocument;
23 import org.eclipse.pde.core.IBaseModel;
24 import org.eclipse.pde.core.IEditable;
25 import org.eclipse.pde.core.IModelChangedEvent;
26 import org.eclipse.pde.internal.core.itarget.ITargetModel;
27 import org.eclipse.pde.internal.core.target.TargetModel;
28 import org.eclipse.pde.internal.core.target.WorkspaceTargetModel;
29 import org.eclipse.pde.internal.ui.PDEPlugin;
30 import org.eclipse.pde.internal.ui.editor.PDEFormEditor;
31 import org.eclipse.pde.internal.ui.editor.context.UTF8InputContext;
32 import org.eclipse.ui.IEditorInput;
33 import org.eclipse.ui.IFileEditorInput;
34 import org.eclipse.ui.IStorageEditorInput;
35
36
37 public class TargetInputContext extends UTF8InputContext {
38     
39     public static final String JavaDoc CONTEXT_ID = "target-context"; //$NON-NLS-1$
40

41     public TargetInputContext(PDEFormEditor editor, IEditorInput input,boolean primary) {
42         super(editor, input, primary);
43         create();
44     }
45
46     /* (non-Javadoc)
47      * @see org.eclipse.pde.internal.ui.editor.context.InputContext#getId()
48      */

49     public String JavaDoc getId() {
50         return CONTEXT_ID;
51     }
52
53     /* (non-Javadoc)
54      * @see org.eclipse.pde.internal.ui.editor.context.InputContext#createModel(org.eclipse.ui.IEditorInput)
55      */

56     protected IBaseModel createModel(IEditorInput input) throws CoreException {
57         ITargetModel model = null;
58         if (input instanceof IStorageEditorInput) {
59             try {
60                 if (input instanceof IFileEditorInput) {
61                     IFile file = ((IFileEditorInput) input).getFile();
62                     model = new WorkspaceTargetModel(file, true);
63                     model.load();
64                 } else if (input instanceof IStorageEditorInput) {
65                     InputStream JavaDoc is = new BufferedInputStream JavaDoc(((IStorageEditorInput) input).getStorage().getContents());
66                     model = new TargetModel();
67                     model.load(is, false);
68                 }
69             } catch (CoreException e) {
70                 PDEPlugin.logException(e);
71                 return null;
72             }
73         }
74         return model;
75     }
76
77     /* (non-Javadoc)
78      * @see org.eclipse.pde.internal.ui.editor.context.InputContext#addTextEditOperation(java.util.ArrayList, org.eclipse.pde.core.IModelChangedEvent)
79      */

80     protected void addTextEditOperation(ArrayList JavaDoc ops, IModelChangedEvent event) {
81     }
82     
83     /* (non-Javadoc)
84      * @see org.eclipse.pde.internal.ui.editor.context.InputContext#flushModel(org.eclipse.jface.text.IDocument)
85      */

86     protected void flushModel(IDocument doc) {
87         if (!(getModel() instanceof IEditable))
88             return;
89         IEditable editableModel = (IEditable) getModel();
90         if (editableModel.isDirty() == false)
91             return;
92         try {
93             StringWriter JavaDoc swriter = new StringWriter JavaDoc();
94             PrintWriter JavaDoc writer = new PrintWriter JavaDoc(swriter);
95             editableModel.save(writer);
96             writer.flush();
97             swriter.close();
98             doc.set(swriter.toString());
99         } catch (IOException JavaDoc e) {
100             PDEPlugin.logException(e);
101         }
102     }
103
104     protected String JavaDoc getPartitionName() {
105         return "___target_partition"; //$NON-NLS-1$
106
}
107
108 }
109
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