Mega Code Archive
JLocaleChooser is a bean for choosing locales
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/*
* JLocaleChooser.java - A bean for choosing locales
* Copyright (C) 2004 Kai Toedter
* kai@toedter.com
* www.toedter.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
//package com.toedter.components;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Calendar;
import java.util.Locale;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
/**
* JLocaleChooser is a bean for choosing locales.
*
* @author Kai Toedter
* @version $LastChangedRevision: 85 $
* @version $LastChangedDate: 2006-04-28 13:50:52 +0200 (Fr, 28 Apr 2006) $
*/
public class JLocaleChooser extends JComboBox implements ItemListener {
private static final long serialVersionUID = 8152430789764877431L;
protected JComponent component;
/**
* Default JLocaleChooser constructor.
*/
public JLocaleChooser() {
this(null);
}
/**
* Returns "JLocaleChoose".
*
* @return the name value
*/
public String getName() {
return "JLocaleChoose";
}
/**
* Default JLocaleChooser constructor.
*/
public JLocaleChooser(JComponent component) {
super();
this.component = component;
addItemListener(this);
locales = Calendar.getAvailableLocales();
localeCount = locales.length;
for (int i = 0; i < localeCount; i++) {
if (locales[i].getCountry().length() > 0) {
addItem(locales[i].getDisplayName());
}
}
setLocale(Locale.getDefault());
}
/**
* The ItemListener for the locales.
*/
public void itemStateChanged(ItemEvent iEvt) {
String item = (String) iEvt.getItem();
int i;
for (i = 0; i < localeCount; i++) {
if (locales[i].getDisplayName().equals(item))
break;
}
setLocale(locales[i], false);
}
/**
* Sets the locale.
*
* @see #getLocale
*/
private void setLocale(Locale l, boolean select) {
Locale oldLocale = locale;
locale = l;
int n = 0;
if (select) {
for (int i = 0; i < localeCount; i++) {
if (locales[i].getCountry().length() > 0) {
if (locales[i].equals(locale))
setSelectedIndex(n);
n += 1;
}
}
}
firePropertyChange("locale", oldLocale, locale);
if(component != null) {
component.setLocale(l);
}
}
/**
* Sets the locale. This is a bound property.
*
* @see #getLocale
*/
public void setLocale(Locale l) {
setLocale(l, true);
}
/**
* Returns the locale.
*/
public Locale getLocale() {
return locale;
}
/**
* Creates a JFrame with a JLocaleChooser inside and can be used for
* testing.
*/
static public void main(String[] s) {
JFrame frame = new JFrame("LocaleChooser");
frame.getContentPane().add(new JLocaleChooser());
frame.pack();
frame.setVisible(true);
}
private Locale[] locales;
private Locale locale;
private int localeCount;
}
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