001/* ========================================================================
002 * JCommon : a free general purpose class library for the Java(tm) platform
003 * ========================================================================
004 *
005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006 *
007 * Project Info:  http://www.jfree.org/jcommon/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * -----------------
028 * TabbedApplet.java
029 * -----------------
030 * (C)opyright 2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: TabbedApplet.java,v 1.7 2008/09/10 09:19:04 mungady Exp $
036 *
037 * Changes
038 * -------------------------
039 * 16-Feb-2004 : Initial version
040 * 07-Jun-2004 : Added standard header (DG);
041 */
042
043package org.jfree.ui.tabbedui;
044
045import java.awt.BorderLayout;
046import java.beans.PropertyChangeEvent;
047import java.beans.PropertyChangeListener;
048import javax.swing.JApplet;
049import javax.swing.JPanel;
050
051/**
052 * An applet implementation that uses a tabbed GUI as backend.
053 *
054 * @author Thomas Morgner
055 */
056public class TabbedApplet extends JApplet {
057
058    /**
059     * A property change listener that waits for the menubar to change.
060     */
061    private class MenuBarChangeListener implements PropertyChangeListener {
062        /**
063         * Creates a new change listener.
064         */
065        public MenuBarChangeListener() {
066        }
067
068        /**
069         * This method gets called when a bound property is changed.
070         *
071         * @param evt A PropertyChangeEvent object describing the event source
072         *            and the property that has changed.
073         */
074        public void propertyChange(final PropertyChangeEvent evt) {
075            if (evt.getPropertyName().equals(AbstractTabbedUI.JMENUBAR_PROPERTY)) {
076                setJMenuBar(getTabbedUI().getJMenuBar());
077            }
078        }
079    }
080
081    /** The UI for the applet. */
082    private AbstractTabbedUI tabbedUI;
083
084    /**
085     * Default constructor.
086     */
087    public TabbedApplet() {
088    }
089
090
091    /**
092     * Returns the UI implementation for the applet.
093     *
094     * @return Returns the tabbedUI.
095     */
096    protected final AbstractTabbedUI getTabbedUI()
097    {
098      return this.tabbedUI;
099    }
100    /**
101     * Initialises the applet.
102     *
103     * @param tabbedUI  the UI that controls the applet.
104     */
105    public void init(final AbstractTabbedUI tabbedUI) {
106
107        this.tabbedUI = tabbedUI;
108        this.tabbedUI.addPropertyChangeListener
109            (AbstractTabbedUI.JMENUBAR_PROPERTY, new MenuBarChangeListener());
110
111        final JPanel panel = new JPanel();
112        panel.setLayout(new BorderLayout());
113        panel.add(tabbedUI, BorderLayout.CENTER);
114        setContentPane(panel);
115        setJMenuBar(tabbedUI.getJMenuBar());
116    }
117
118}