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Java > Open Source Codes > org > jfree > ui > tabbedui > TabbedApplet


1 /* ========================================================================
2  * JCommon : a free general purpose class library for the Java(tm) platform
3  * ========================================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jcommon/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * -----------------
28  * TabbedApplet.java
29  * -----------------
30  * (C)opyright 2004, by Thomas Morgner and Contributors.
31  *
32  * Original Author: Thomas Morgner;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: TabbedApplet.java,v 1.5 2005/10/18 13:23:37 mungady Exp $
36  *
37  * Changes
38  * -------------------------
39  * 16-Feb-2004 : Initial version
40  * 07-Jun-2004 : Added standard header (DG);
41  */
42
43 package org.jfree.ui.tabbedui;
44
45 import java.awt.BorderLayout JavaDoc;
46 import java.beans.PropertyChangeEvent JavaDoc;
47 import java.beans.PropertyChangeListener JavaDoc;
48
49 import javax.swing.JApplet JavaDoc;
50 import javax.swing.JPanel JavaDoc;
51
52 /**
53  * An applet implementation that uses a tabbed GUI as backend.
54  *
55  * @author Thomas Morgner
56  */
57 public class TabbedApplet extends JApplet JavaDoc {
58
59     /**
60      * A property change listener that waits for the menubar to change.
61      */
62     private class MenuBarChangeListener implements PropertyChangeListener JavaDoc {
63         /**
64          * Creates a new change listener.
65          */
66         public MenuBarChangeListener() {
67         }
68
69         /**
70          * This method gets called when a bound property is changed.
71          *
72          * @param evt A PropertyChangeEvent object describing the event source
73          * and the property that has changed.
74          */
75         public void propertyChange(final PropertyChangeEvent JavaDoc evt) {
76             if (evt.getPropertyName().equals(AbstractTabbedUI.JMENUBAR_PROPERTY)) {
77                 setJMenuBar(getTabbedUI().getJMenuBar());
78             }
79         }
80     }
81
82     /** The UI for the applet. */
83     private AbstractTabbedUI tabbedUI;
84     
85     /**
86      * Default constructor.
87      */
88     public TabbedApplet() {
89     }
90
91     
92     /**
93      * Returns the UI implementation for the applet.
94      *
95      * @return Returns the tabbedUI.
96      */
97     protected final AbstractTabbedUI getTabbedUI()
98     {
99       return tabbedUI;
100     }
101     /**
102      * Initialises the applet.
103      *
104      * @param tabbedUI the UI that controls the applet.
105      */
106     public void init(final AbstractTabbedUI tabbedUI) {
107
108         this.tabbedUI = tabbedUI;
109         this.tabbedUI.addPropertyChangeListener
110             (AbstractTabbedUI.JMENUBAR_PROPERTY, new MenuBarChangeListener());
111
112         final JPanel JavaDoc panel = new JPanel JavaDoc();
113         panel.setLayout(new BorderLayout JavaDoc());
114         panel.add(tabbedUI, BorderLayout.CENTER);
115         setContentPane(panel);
116         setJMenuBar(tabbedUI.getJMenuBar());
117     }
118
119 }
120
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