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: JLabelLocaleUpdateHandler.java,v 1.3 2007/04/01 18:49:30 taqua Exp $
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.awt.IllegalComponentStateException;
035 import java.beans.PropertyChangeEvent;
036 import java.beans.PropertyChangeListener;
037 import java.util.Locale;
038 import java.util.MissingResourceException;
039 import java.util.ResourceBundle;
040 import javax.swing.JLabel;
041
042 /**
043 * Creation-Date: 30.11.2006, 13:04:07
044 *
045 * @author Thomas Morgner
046 */
047 public class JLabelLocaleUpdateHandler implements PropertyChangeListener
048 {
049 private String resourceBundleName;
050 private String resourceKey;
051 private JLabel target;
052
053 public JLabelLocaleUpdateHandler(final JLabel target,
054 final String resourceBundleName,
055 final String resourceKey)
056 {
057 this.target = target;
058 this.resourceBundleName = resourceBundleName;
059 this.resourceKey = resourceKey;
060 }
061
062 /**
063 * This method gets called when a bound property is changed.
064 *
065 * @param evt A PropertyChangeEvent object describing the event source and the
066 * property that has changed.
067 */
068
069 public void propertyChange(PropertyChangeEvent evt)
070 {
071 try
072 {
073 final Locale locale = target.getLocale();
074 final ResourceBundle bundle =
075 ResourceBundle.getBundle(resourceBundleName, locale);
076 final String string = bundle.getString(resourceKey);
077 target.setText(string);
078 }
079 catch(IllegalComponentStateException ice)
080 {
081 target.setText("!ERROR: No Parent: " + resourceKey);
082 }
083 catch(MissingResourceException mre)
084 {
085 target.setText("!ERROR: MissingResource: " + resourceKey);
086 }
087
088 }
089 }