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Java > Open Source Codes > org > netbeans > modules > exceptions > settings > ExceptionsOptionsPanelController


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.exceptions.settings;
21
22 import java.beans.PropertyChangeListener JavaDoc;
23 import java.beans.PropertyChangeSupport JavaDoc;
24 import javax.swing.JComponent JavaDoc;
25 import org.netbeans.spi.options.OptionsPanelController;
26 import org.openide.util.HelpCtx;
27 import org.openide.util.Lookup;
28
29 final class ExceptionsOptionsPanelController extends OptionsPanelController {
30     
31     private ExceptionsPanel panel;
32     private final PropertyChangeSupport JavaDoc pcs = new PropertyChangeSupport JavaDoc(this);
33     private boolean changed;
34     
35     public void update() {
36         getPanel().load();
37         changed = false;
38     }
39     
40     public void applyChanges() {
41         getPanel().store();
42         changed = false;
43     }
44     
45     public void cancel() {
46         // need not do anything special, if no changes have been persisted yet
47 }
48     
49     public boolean isValid() {
50         return getPanel().valid();
51     }
52     
53     public boolean isChanged() {
54         return changed;
55     }
56     
57     public HelpCtx getHelpCtx() {
58         return null; // new HelpCtx("...ID") if you have a help set
59 }
60     
61     public JComponent JavaDoc getComponent(Lookup masterLookup) {
62         return getPanel();
63     }
64     
65     public void addPropertyChangeListener(PropertyChangeListener JavaDoc pcl) {
66         pcs.addPropertyChangeListener(pcl);
67     }
68     
69     public void removePropertyChangeListener(PropertyChangeListener JavaDoc pcl) {
70         pcs.removePropertyChangeListener(pcl);
71     }
72     
73     private ExceptionsPanel getPanel() {
74         if (panel == null) {
75             panel = new ExceptionsPanel();
76         }
77         return panel;
78     }
79     
80     void doChanged() {
81         if (!changed) {
82             changed = true;
83             pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true);
84         }
85         pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null);
86     }
87     
88 }
89
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