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Java > Open Source Codes > org > netbeans > modules > debugger > jpda > projects > MainProjectManager


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.debugger.jpda.projects;
21
22 import java.beans.PropertyChangeListener JavaDoc;
23 import java.beans.PropertyChangeSupport JavaDoc;
24 import javax.swing.Action JavaDoc;
25 import org.netbeans.api.project.Project;
26 import org.netbeans.spi.project.ui.support.MainProjectSensitiveActions;
27 import org.netbeans.spi.project.ui.support.ProjectActionPerformer;
28
29 /**
30 *
31 * @author Jan Jancura
32 */
33 public class MainProjectManager implements ProjectActionPerformer {
34
35     private static MainProjectManager mainProjectManager = new MainProjectManager ();
36
37     public static MainProjectManager getDefault () {
38         return mainProjectManager;
39     }
40     
41     
42     private Action JavaDoc a;
43     private Project mainProject;
44     private PropertyChangeSupport JavaDoc pcs;
45
46
47     private MainProjectManager () {
48         pcs = new PropertyChangeSupport JavaDoc (this);
49         a = MainProjectSensitiveActions.mainProjectSensitiveAction (
50             this, null, null
51         );
52         a.isEnabled ();
53     }
54
55     public Project getMainProject () {
56         return mainProject;
57     }
58
59     public void perform (Project p) {
60         assert false : "Fake action should never really be called";
61     }
62
63     public boolean enable (Project p) {
64         if (mainProject != p) {
65             Project o = mainProject;
66             mainProject = p;
67             pcs.firePropertyChange ("mainProject", o, mainProject);
68         }
69         return true; // unused
70 }
71
72     public void addPropertyChangeListener (PropertyChangeListener JavaDoc l) {
73         pcs.addPropertyChangeListener (l);
74     }
75
76     public void removePropertyChangeListener (PropertyChangeListener JavaDoc l) {
77         pcs.removePropertyChangeListener (l);
78     }
79 }
80
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