    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 1.5 2005/10/18 13:23:37 mungady Exp $
    036     *
    037     * Changes
    038     * -------------------------
    039     * 16-Feb-2004 : Initial version
    040     * 07-Jun-2004 : Added standard header (DG);
    041     */
    042
    043    package org.jfree.ui.tabbedui;
    044
    045    import java.awt.BorderLayout;
    046    import java.beans.PropertyChangeEvent;
    047    import java.beans.PropertyChangeListener;
    048
    049    import javax.swing.JApplet;
    050    import javax.swing.JPanel;
    051
    052    /**
    053     * An applet implementation that uses a tabbed GUI as backend.
    054     *
    055     * @author Thomas Morgner
    056     */
    057    public class TabbedApplet extends JApplet {
    058
    059        /**
    060         * A property change listener that waits for the menubar to change.
    061         */
    062        private class MenuBarChangeListener implements PropertyChangeListener {
    063            /**
    064             * Creates a new change listener.
    065             */
    066            public MenuBarChangeListener() {
    067            }
    068
    069            /**
    070             * This method gets called when a bound property is changed.
    071             *
    072             * @param evt A PropertyChangeEvent object describing the event source
    073             *            and the property that has changed.
    074             */
    075            public void propertyChange(final PropertyChangeEvent evt) {
    076                if (evt.getPropertyName().equals(AbstractTabbedUI.JMENUBAR_PROPERTY)) {
    077                    setJMenuBar(getTabbedUI().getJMenuBar());
    078                }
    079            }
    080        }
    081
    082        /** The UI for the applet. */
    083        private AbstractTabbedUI tabbedUI;
    084
    085        /**
    086         * Default constructor.
    087         */
    088        public TabbedApplet() {
    089        }
    090
    091
    092        /**
    093         * Returns the UI implementation for the applet.
    094         *
    095         * @return Returns the tabbedUI.
    096         */
    097        protected final AbstractTabbedUI getTabbedUI()
    098        {
    099          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 panel = new JPanel();
    113            panel.setLayout(new BorderLayout());
    114            panel.add(tabbedUI, BorderLayout.CENTER);
    115            setContentPane(panel);
    116            setJMenuBar(tabbedUI.getJMenuBar());
    117        }
    118
    119    }