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Java > Open Source Codes > org > eclipse > jdt > internal > ui > text > folding > EmptyJavaFoldingPreferenceBlock


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 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.jdt.internal.ui.text.folding;
12
13 import org.eclipse.swt.SWT;
14 import org.eclipse.swt.layout.GridData;
15 import org.eclipse.swt.layout.GridLayout;
16 import org.eclipse.swt.widgets.Composite;
17 import org.eclipse.swt.widgets.Control;
18 import org.eclipse.swt.widgets.Label;
19
20 import org.eclipse.jdt.ui.text.folding.IJavaFoldingPreferenceBlock;
21
22
23 /**
24  * Empty preference block for extensions to the
25  * <code>org.eclipse.jdt.ui.javaFoldingStructureProvider</code> extension
26  * point that do not specify their own.
27  *
28  * @since 3.0
29  */
30 class EmptyJavaFoldingPreferenceBlock implements IJavaFoldingPreferenceBlock {
31     /*
32      * @see org.eclipse.jdt.internal.ui.text.folding.IJavaFoldingPreferences#createControl(org.eclipse.swt.widgets.Group)
33      */
34     public Control createControl(Composite composite) {
35         Composite inner= new Composite(composite, SWT.NONE);
36         inner.setLayout(new GridLayout(3, false));
37
38         Label label= new Label(inner, SWT.CENTER);
39         GridData gd= new GridData(GridData.FILL_BOTH);
40         gd.widthHint= 30;
41         label.setLayoutData(gd);
42
43         label= new Label(inner, SWT.CENTER);
44         label.setText(FoldingMessages.EmptyJavaFoldingPreferenceBlock_emptyCaption);
45         gd= new GridData(GridData.CENTER);
46         label.setLayoutData(gd);
47
48         label= new Label(inner, SWT.CENTER);
49         gd= new GridData(GridData.FILL_BOTH);
50         gd.widthHint= 30;
51         label.setLayoutData(gd);
52
53         return inner;
54     }
55
56     /*
57      * @see org.eclipse.jdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#initialize()
58      */
59     public void initialize() {
60     }
61
62     /*
63      * @see org.eclipse.jdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#performOk()
64      */
65     public void performOk() {
66     }
67
68     /*
69      * @see org.eclipse.jdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#performDefaults()
70      */
71     public void performDefaults() {
72     }
73
74     /*
75      * @see org.eclipse.jdt.internal.ui.text.folding.IJavaFoldingPreferenceBlock#dispose()
76      */
77     public void dispose() {
78     }
79
80 }
81
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