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/*
* Copyright (C) 2001-2013 Michael Fuchs
*
* This file is part of herold.
*
* herold is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* herold 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with herold. If not, see <http://www.gnu.org/licenses/>.
*/
package org.dbdoclet.jive.widget;
import java.util.Iterator;
import java.util.Locale;
import java.util.TreeMap;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import org.dbdoclet.jive.model.LabelItem;
public class LanguageListBox extends JComboBox<LabelItem> {
private static final long serialVersionUID = 1L;
private static Locale[] defLocaleList = null;
private Locale ctxLocale;
public LanguageListBox(Locale ctxLocale) {
Locale[] localeList = defLocaleList;
if (localeList == null) {
String[] isoLanguageList = Locale.getISOLanguages();
localeList = new Locale[isoLanguageList.length];
for (int i = 0; i < isoLanguageList.length; i++) {
localeList[i] = new Locale(isoLanguageList[i]);
}
}
init(ctxLocale, localeList);
}
public LanguageListBox(Locale ctxLocale, Locale[] localeList) {
init(ctxLocale, localeList);
}
public static void setDefaultLocaleList(Locale[] defLocaleList) {
LanguageListBox.defLocaleList = defLocaleList;
}
public void setSelectedLocale(Locale locale) {
if (locale == null) {
return;
}
Locale languageLocale = new Locale(locale.getLanguage());
setSelectedItem(new LabelItem(locale.getDisplayLanguage(ctxLocale), languageLocale));
}
public Locale getSelectedLocale() {
Object obj = getSelectedItem();
if (obj == null) {
return null;
}
if (obj instanceof LabelItem == false) {
return null;
}
LabelItem item = (LabelItem) obj;
obj = item.getValue();
if (obj instanceof Locale) {
return (Locale) obj;
}
return null;
}
public void init(Locale ctxLocale, Locale[] localeList) {
if (ctxLocale == null) {
ctxLocale = Locale.getDefault();
}
if (localeList == null) {
throw new IllegalArgumentException("The argument localeList must not be null!");
}
this.ctxLocale = ctxLocale;
DefaultComboBoxModel<LabelItem> model = new DefaultComboBoxModel<LabelItem>();
TreeMap<String, Locale> localeMap = new TreeMap<String, Locale>();
Locale locale;
String text;
String language;
for (int i = 0; i < localeList.length; i++) {
language = localeList[i].getLanguage();
text = localeList[i].getDisplayLanguage(ctxLocale);
locale = localeMap.get(text);
if (locale == null) {
localeMap.put(text, new Locale(language));
}
}
String name;
Iterator<String> iterator = localeMap.keySet().iterator();
while (iterator.hasNext()) {
name = iterator.next();
locale = localeMap.get(name);
model.addElement(new LabelItem(locale.getDisplayLanguage(ctxLocale), locale));
}
setModel(model);
setSelectedItem(new LabelItem(ctxLocale.getDisplayLanguage(ctxLocale), ctxLocale));
}
}
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