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Java > Open Source Codes > org > netbeans > modules > j2ee > ejbcore > naming > EJBNameOptionsPanelController


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.j2ee.ejbcore.naming;
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 /**
30  * @author Martin Adamek
31  */
32 final class EJBNameOptionsPanelController extends OptionsPanelController {
33     
34     private EJBNamePanel panel;
35     private final PropertyChangeSupport JavaDoc pcs = new PropertyChangeSupport JavaDoc(this);
36     private boolean changedStatus;
37     
38     public void update() {
39         getPanel().load();
40         changedStatus = false;
41     }
42     
43     public void applyChanges() {
44         getPanel().store();
45         changedStatus = false;
46     }
47     
48     public void cancel() {
49         // need not do anything special, if no changes have been persisted yet
50 }
51     
52     public boolean isValid() {
53         return getPanel().valid();
54     }
55     
56     public boolean isChanged() {
57         return changedStatus;
58     }
59     
60     public HelpCtx getHelpCtx() {
61         return null; // new HelpCtx("...ID") if you have a help set
62 }
63     
64     public JComponent JavaDoc getComponent(Lookup masterLookup) {
65         return getPanel();
66     }
67     
68     public void addPropertyChangeListener(PropertyChangeListener JavaDoc listener) {
69         pcs.addPropertyChangeListener(listener);
70     }
71     
72     public void removePropertyChangeListener(PropertyChangeListener JavaDoc listener) {
73         pcs.removePropertyChangeListener(listener);
74     }
75     
76     private EJBNamePanel getPanel() {
77         if (panel == null) {
78             panel = new EJBNamePanel(this);
79         }
80         return panel;
81     }
82     
83     void changed() {
84         if (!changedStatus) {
85             changedStatus = true;
86             pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true);
87         }
88         pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null);
89     }
90     
91 }
92
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