// -*- mode:java; encoding:utf-8 -*-

// vim:set fileencoding=utf-8:

// @homepage@

package example;

import java.awt.*;

import java.util.Locale;

import java.util.logging.Logger;

import javax.swing.*;

public final class MainPanel extends JPanel {

private static final Locale[] LOCALE_ARRAY = {

Locale.ENGLISH,

Locale.FRENCH,

Locale.GERMAN,

Locale.ITALIAN,

Locale.JAPANESE,

Locale.KOREAN,

Locale.CHINESE,

Locale.SIMPLIFIED_CHINESE,

Locale.TRADITIONAL_CHINESE,

Locale.FRANCE,

Locale.GERMANY,

Locale.ITALY,

Locale.JAPAN,

Locale.KOREA,

Locale.CHINA,

Locale.PRC,

Locale.TAIWAN,

Locale.UK,

Locale.US,

Locale.CANADA,

Locale.CANADA_FRENCH,

};

private MainPanel() {

super(new BorderLayout());

JTextArea log = new JTextArea();

UIManager.put("FileChooser.readOnly", true);

// Locale.setDefault(new Locale("en", "US"));

// Locale defaultLocale = JFileChooser.getDefaultLocale();

// JFileChooser.setDefaultLocale(defaultLocale);

// JFileChooser.setDefaultLocale(Locale.ENGLISH);

// JFileChooser.setDefaultLocale(new Locale("en", "US"));

// fileChooser.setLocale(new Locale("fr", "FR"));

JComboBox<Locale> combo = new JComboBox<>(LOCALE_ARRAY);

JFileChooser fileChooser = new JFileChooser();

JButton button = new JButton("<-");

button.addActionListener(e -> {

fileChooser.setLocale(combo.getItemAt(combo.getSelectedIndex()));

SwingUtilities.updateComponentTreeUI(fileChooser);

int retValue = fileChooser.showOpenDialog(getRootPane());

if (retValue == JFileChooser.APPROVE_OPTION) {

log.append(String.format("%s%n", fileChooser.getSelectedFile()));

}

});

JPanel p = new JPanel(new BorderLayout(5, 5));

p.setBorder(BorderFactory.createTitledBorder("Open JFileChooser"));

p.add(combo);

p.add(button, BorderLayout.EAST);

add(p, BorderLayout.NORTH);

add(new JScrollPane(log));

setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

setPreferredSize(new Dimension(320, 240));

}

// private static void printLocale(JFileChooser fileChooser) {

// System.out.println("Locale: " + fileChooser.getLocale());

// System.out.println("DefaultLocale: " + fileChooser.getDefaultLocale());

// }

public static void main(String[] args) {

EventQueue.invokeLater(MainPanel::createAndShowGui);

}

private static void createAndShowGui() {

try {

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

} catch (UnsupportedLookAndFeelException ignored) {

Toolkit.getDefaultToolkit().beep();

} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {

Logger.getGlobal().severe(ex::getMessage);

return;

}

JFrame frame = new JFrame("@title@");

frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

frame.getContentPane().add(new MainPanel());

frame.pack();

frame.setLocationRelativeTo(null);

frame.setVisible(true);

}

}