001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: LocaleUpdateHandler.java 3525 2007-10-16 11:43:48Z tmorgner $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    
032    package org.jfree.report.modules.gui.swing.common.localization;
033    
034    import java.beans.PropertyChangeEvent;
035    import java.beans.PropertyChangeListener;
036    import java.util.Locale;
037    import javax.swing.JComponent;
038    
039    /**
040     * Copies the locale from one central point (usually the dialog) to all
041     * listeners.
042     *
043     * @author Thomas Morgner
044     */
045    public class LocaleUpdateHandler implements PropertyChangeListener
046    {
047      private JComponent localizedComponent;
048    
049      public LocaleUpdateHandler(final JComponent localizedComponent)
050      {
051        this.localizedComponent = localizedComponent;
052      }
053    
054      /**
055       * This method gets called when a bound property is changed.
056       *
057       * @param evt A PropertyChangeEvent object describing the event source and the
058       *            property that has changed.
059       */
060    
061      public void propertyChange(final PropertyChangeEvent evt)
062      {
063        final Object newValue = evt.getNewValue();
064        if (newValue instanceof Locale == false)
065        {
066          return;
067        }
068        localizedComponent.setLocale((Locale) newValue);
069      }
070    }