    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}