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Java > Open Source Codes > org > netbeans > modules > j2ee > persistence > wizard > PersistenceClientEntitySelection


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.persistence.wizard;
21
22 import java.awt.Component JavaDoc;
23 import java.util.HashSet JavaDoc;
24 import java.util.Iterator JavaDoc;
25 import java.util.Set JavaDoc;
26 import javax.swing.JComponent JavaDoc;
27 import javax.swing.event.ChangeEvent JavaDoc;
28 import javax.swing.event.ChangeListener JavaDoc;
29
30 import org.openide.WizardDescriptor;
31 import org.openide.util.HelpCtx;
32
33 /**
34  * @author Pavel Buzek
35  */
36 public final class PersistenceClientEntitySelection implements WizardDescriptor.Panel, WizardDescriptor.FinishablePanel, ChangeListener JavaDoc {
37     
38     private WizardDescriptor wizardDescriptor;
39     private String JavaDoc panelName;
40     private HelpCtx helpCtx;
41     private PersistenceClientEntitySelectionVisual component;
42     
43     
44     /** Create the wizard panel descriptor. */
45     public PersistenceClientEntitySelection(String JavaDoc panelName, HelpCtx helpCtx, WizardDescriptor wizardDescriptor) {
46         this.panelName = panelName;
47         this.helpCtx = helpCtx;
48         this.wizardDescriptor = wizardDescriptor;
49     }
50     
51     public boolean isFinishPanel() {
52         return false;
53     }
54     
55     public Component JavaDoc getComponent() {
56         if (component == null) {
57             component = new PersistenceClientEntitySelectionVisual(panelName, wizardDescriptor);
58             component.addChangeListener(this);
59         }
60         return component;
61     }
62     
63     public HelpCtx getHelp() {
64         return helpCtx;
65     }
66     
67     public boolean isValid() {
68         getComponent();
69         return component.valid(wizardDescriptor);
70     }
71     
72     private final Set JavaDoc/*<ChangeListener>*/ listeners = new HashSet JavaDoc(1);
73     
74     public final void addChangeListener(ChangeListener JavaDoc l) {
75         synchronized (listeners) {
76             listeners.add(l);
77         }
78     }
79     public final void removeChangeListener(ChangeListener JavaDoc l) {
80         synchronized (listeners) {
81             listeners.remove(l);
82         }
83     }
84     protected final void fireChangeEvent(ChangeEvent JavaDoc ev) {
85         Iterator JavaDoc it;
86         synchronized (listeners) {
87             it = new HashSet JavaDoc(listeners).iterator();
88         }
89         while (it.hasNext()) {
90             ((ChangeListener JavaDoc)it.next()).stateChanged(ev);
91         }
92     }
93     
94     public void readSettings(Object JavaDoc settings) {
95         wizardDescriptor = (WizardDescriptor) settings;
96         component.read(wizardDescriptor);
97         
98         // XXX hack, TemplateWizard in final setTemplateImpl() forces new wizard's title
99 // this name is used in NewProjectWizard to modify the title
100 Object JavaDoc substitute = ((JComponent JavaDoc) component).getClientProperty("NewProjectWizard_Title"); // NOI18N
101 if (substitute != null){
102             wizardDescriptor.putProperty("NewProjectWizard_Title", substitute); // NOI18N
103 }
104     }
105     
106     public void storeSettings(Object JavaDoc settings) {
107         WizardDescriptor d = (WizardDescriptor) settings;
108         component.store(d);
109         d.putProperty(WizardProperties.PERSISTENCE_UNIT, component.getPersistenceUnit());
110         ((WizardDescriptor) d).putProperty("NewProjectWizard_Title", null); // NOI18N
111 }
112     
113     public void stateChanged(ChangeEvent JavaDoc e) {
114         fireChangeEvent(e);
115     }
116     
117 }
118
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