Alter Locale

gistfile1.txt

/*
 * Copyright © 2013 Helio Frota <heliofrota at gmail.com>
 * This work is free. You can redistribute it and/or modify it under the
 * terms of the Do What The Fuck You Want To Public License, Version 2,
 * as published by Sam Hocevar. See the COPYING file for more details.
 */
package org.tfk.ui;

import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JPanel;
import javax.swing.JMenuItem;
import javax.swing.JDialog;
import javax.swing.JLabel;
import java.util.ResourceBundle;
import java.util.Locale;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;

/**
 * The main frame class Game.
 *
 * @author Helio Frota http://www.heliofrota.com
 * Edited on GNU/Emacs.
 */
public class Game {

    private Locale currentLocale;
    private ResourceBundle myResources;
    private JFrame frame;
    private JButton buttonCredits, buttonOptions, buttonStart;
    private JMenuBar menuBar;
    private JMenu menuLanguage;
    private JMenu menuAlterLanguage;
    private JMenuItem menuItemEnUS;
    private JMenuItem menuItemPtBR;
    private JMenu menuOptions;
    private JMenuItem menuItemExit;
    private JPanel panel;
    private GridBagLayout gridBagLayout;
    private GridBagConstraints gridBagConstraints;


    public Game() {

    }

    public void initComponents() {

        //Set Locale
        currentLocale = new Locale("pt", "BR"); //default bt_BR - Brazilian language
        //Locale currentLocale = new Locale("en", "US"); //to set english language remove comment of this line and comment out the line above
        myResources = ResourceBundle.getBundle("org.tfk.i18n.messages", currentLocale);

        //Frame
        frame = new JFrame();
        frame.setTitle("TFK - The Fellowship of the Knowledge");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(320, 370);
    frame.setLocationRelativeTo(null);

        //Layout
        gridBagLayout = new GridBagLayout();       
        gridBagConstraints = new GridBagConstraints();
        gridBagConstraints.gridwidth = GridBagConstraints.REMAINDER; //end row
        gridBagConstraints.insets = new Insets(15,0,38,0) ; //spaces between buttons
        
        //Panel
        panel = new JPanel();
        panel.setLayout(gridBagLayout);
        
        //Menu Bar
        menuBar = new JMenuBar();
        frame.setJMenuBar(menuBar);

        //Menu Bar Itens
        menuLanguage = new JMenu(myResources.getString("menuLanguage")); 
        menuBar.add(menuLanguage);
        menuAlterLanguage = new JMenu(myResources.getString("menuAlterLanguage"));
        menuLanguage.add(menuAlterLanguage);
        menuItemEnUS = new JMenuItem("en-US");
        menuItemPtBR = new JMenuItem("pt-BR");
        menuAlterLanguage.add(menuItemEnUS);
		menuItemEnUS.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent){                
				changeLanguage("en", "US");				
            }
        });    
        menuAlterLanguage.add(menuItemPtBR);
		menuItemPtBR.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent){                
				changeLanguage("pt", "BR");				
            }
        }); 

        menuOptions = new JMenu(myResources.getString("menuOptions"));
        menuBar.add(menuOptions);
        menuItemExit = new JMenuItem(myResources.getString("menuItemExit"));
        menuOptions.add(menuItemExit);
        menuItemExit.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent){
                System.exit(0);
            }
        });       

        //Buttons
        buttonStart = new JButton(myResources.getString("buttonStart"));
        gridBagLayout.setConstraints(buttonStart, gridBagConstraints);
        panel.add(buttonStart);

        buttonOptions = new JButton(myResources.getString("buttonOptions"));
        gridBagLayout.setConstraints(buttonOptions, gridBagConstraints);
        panel.add(buttonOptions);

        buttonCredits = new JButton(myResources.getString("buttonCredits"));
        buttonCredits.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent){
                new DialogCredits().initComponents();
            }
        });    
        gridBagLayout.setConstraints(buttonCredits, gridBagConstraints);
        panel.add(buttonCredits);
        
        frame.add(panel);
        frame.setVisible(true);
    }
	
	private void changeLanguage(String language, String country){
		currentLocale = new Locale(language, country);
        myResources = ResourceBundle.getBundle("org.tfk.i18n.messages", currentLocale);
		buttonStart.setText(myResources.getString("buttonStart"));
		buttonOptions.setText(myResources.getString("buttonOptions"));
		buttonCredits.setText(myResources.getString("buttonCredits"));
		menuLanguage.setText(myResources.getString("menuLanguage"));
		menuAlterLanguage.setText(myResources.getString("menuAlterLanguage"));
		menuOptions.setText(myResources.getString("menuOptions"));
		menuItemExit.setText(myResources.getString("menuItemExit"));
	}

    private class DialogCredits extends JDialog{
        public DialogCredits(){}

        public void initComponents() {            
            JPanel panelCredits = new JPanel();
            panel.setLayout(new GridBagLayout());
            panelCredits.add(new JLabel("Helio Frota https://github.com/heliofrota"));    
            panelCredits.add(new JLabel("Levy Moreira https://github.com/levymoreira"));  
            panelCredits.add(new JLabel("Leandro Nascimento https://github.com/LeandroNascimento"));  
            panelCredits.add(new JLabel("Manoel Calixto https://github.com/manoelcalixto")); 
			panelCredits.add(new JLabel("Maciel Melo https://github.com/MacielMelo"));
            add(panelCredits);
			setSize(450, 140);
            this.setLocationRelativeTo(null);
			setTitle(myResources.getString("buttonCredits"));
            setVisible(true);
        }
    }
}