/*
    * Trip Tracker, a real-time position tracking system for the Internet.
    * Copyright (C) 2006  Team Trip Tracker
    *
    * This program 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 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
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
   */
  
  package triptracker.client.gps.ui;
  
  import static triptracker.core.Utils.getImageIcon;
  
  import java.awt.BorderLayout;
  import java.awt.CardLayout;
  import java.awt.Container;
  import java.awt.Dimension;
  import java.awt.event.ActionListener;
  import java.awt.event.KeyEvent;
  import java.util.ArrayList;
  import java.util.Calendar;
  import java.util.List;
  
  import javax.swing.BorderFactory;
  import javax.swing.ImageIcon;
  import javax.swing.JFrame;
  import javax.swing.JLabel;
  import javax.swing.JMenu;
  import javax.swing.JMenuBar;
  import javax.swing.JMenuItem;
  import javax.swing.JOptionPane;
  import javax.swing.JPanel;
  
  //import com.digitprop.tonic.TonicLookAndFeel;
  
  import triptracker.client.gps.core.GPSClientModel;
  import triptracker.client.ui.Form;
  import triptracker.client.ui.FormManager;
  import triptracker.core.Utils;
  
  /***
   * The main GUI class for the GPS-client
   */
  @SuppressWarnings("serial")
  public class GPSGui extends JFrame implements FormManager {
  
  	private final CardLayout cardLayout;
  
  	private final JPanel mainPanel = new JPanel();
  
  	private final JLabel statusBar = new JLabel(" ");
  
  	private final Container rootPane;
  
  	protected JMenuItem logOnItem, logOffItem, exitItem, generalItem,
  			showRoutesItem;
  
  	private JMenuBar menuBar;
  
  	private JMenu menu;
  
  	private Form currentForm;
  
  	private List<Form> forms = new ArrayList<Form>();
  
  	private Form login, main, settings, routes;
  
  	/***
  	 * Default constructor.
  	 */
  	public GPSGui(GPSClientModel model) {
  		super("Trip Tracker: GPS Client v0.8.1");
  
  		rootPane = getContentPane();
  		rootPane.setLayout(new BorderLayout());
  
  		// Create the main GUI area.
  		cardLayout = new CardLayout();
  		mainPanel.setLayout(cardLayout);
  
  		login = new LoginForm(this, "login", model);
  		main = new MainForm(this, model);
  		routes = new RoutesForm(this, "routes", model, main);
  		settings = new GPSSettingsForm(this, "settings", model);
  
  		// Put it all together in the mainPane
  		rootPane.add(mainPanel, BorderLayout.CENTER);
  		rootPane.add(statusBar, BorderLayout.SOUTH);
  
 		setJMenuBar(createMenu());
 
 		statusBar.setBorder(BorderFactory.createBevelBorder(1));
 
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 		setIconImage(getImageIcon("tt_icon_20x20.gif").getImage());
 		setSize(new Dimension(250, 250));
 		setLocation(400, 200);  // FIXME Not recommended to use absolute coords.
 		setResizable(false);
 		pack();
 	}
 
 	/***
 	 * Creates a menubar.
 	 * 
 	 * @return a menubar
 	 */
 	public JMenuBar createMenu() {
 		// Oppretter menybar.
 		menuBar = new JMenuBar();
 
 		// Menu connection	
 		menu = new JMenu("File");
 		menu.setMnemonic(KeyEvent.VK_F);
 		menuBar.add(menu);
 
 		// Menu item Log on
 		logOnItem = new JMenuItem("Log on", getImageIcon("menu_loginIcon.gif"));
 		menu.add(logOnItem);
 
 		// Menu item log off
 		ImageIcon logoffIcon = getImageIcon("menu_logoffIcon.gif");
 		logOffItem = new JMenuItem("Log off", logoffIcon);
 		menu.add(logOffItem);
 
 		menu.addSeparator();
 
 		// Menu item settings
 		generalItem = new JMenuItem("Settings", getImageIcon("menu_settingsIcon.gif"));
 		menu.add(generalItem);
 
 		// Menu item show routes
 		showRoutesItem = new JMenuItem("Routes", getImageIcon("menu_routeIcon.gif"));
 		menu.add(showRoutesItem);
 
 		menu.addSeparator();
 
 		// Menu item exit
 		exitItem = new JMenuItem("Quit", getImageIcon("exitIcon.gif"));
 		menu.add(exitItem);
 
 		return menuBar;
 	}
 
 	/***
 	 * Adds the menulisteners
 	 * 
 	 * @param listener
 	 */
 	public void addMenuListener(ActionListener listener) {
 		logOnItem.addActionListener(listener);
 		logOffItem.addActionListener(listener);
 		exitItem.addActionListener(listener);
 		generalItem.addActionListener(listener);
 		showRoutesItem.addActionListener(listener);
 	}
 
 	/***
 	 * Registers a form
 	 */
 	public void register(Form form) {
 		forms.add(form);
 		mainPanel.add(form.getFormComponent(), form.getName());
 
 		if (currentForm == null) {
 			currentForm = form;
 		}
 	}
 
 	/***
 	 * Deregisters a form
 	 */
 	public void deregister(Form form) {
 		if (currentForm == form) {
 			currentForm = null;
 		}
 
 		forms.remove(form);
 	}
 
 	/***
 	 * Shows the given form
 	 * 
 	 * @param form the form to be showed
 	 */
 	public void showForm(Form form) {
 		//currentForm.updateModel(model);
 		currentForm = form;
 		currentForm.refreshView();
 		cardLayout.show(mainPanel, form.getName());
 	}
 
 	/***
 	 * Shows dialog to log off, user have to confirm
 	 */
 	public boolean showLogOffDialog() {
 		int confirm = JOptionPane.showConfirmDialog(this,
 				"Do you want to log off?", "Log off?",
 				JOptionPane.YES_NO_OPTION);
 		return (confirm == 0);
 	}
 
 	/***
 	 * Shows a warning dialog
 	 * 
 	 * @param heading the heading for the dialog
 	 * @param warning the warning to show in the dialog
 	 */
 	public void showErrorDialog(String heading, String warning) {
 		JOptionPane.showMessageDialog(null, warning, heading,
 				JOptionPane.ERROR_MESSAGE);
 	}
 
 	/***
 	 * Shows a info dialog
 	 * 
 	 * @param head the header
 	 * @param info the info message
 	 */
 	public void showInfoDialog(String head, String info) {
 		JOptionPane.showMessageDialog(null, info, head,
 				JOptionPane.INFORMATION_MESSAGE);
 	}
 
 	/***
 	 * Set the text of the status bar.
 	 * 
 	 * @param msg status message
 	 */
 	public void setStatusMsg(String msg) {
 		statusBar.setText("(" + Utils.dateToString(
 				Calendar.getInstance().getTime(), "HH:mm:ss") + ") " + msg);
 	}
 
 	/***
 	 * Shows the login form
 	 *
 	 */
 	public void showLoginForm() {
 		showForm(login);
 	}
 
 	/***
 	 * Shows the settings form
 	 *
 	 */
 	public void showSettingsForm() {
 		showForm(settings);
 	}
 
 	/***
 	 * Shows the main form
 	 *
 	 */
 	public void showMainForm() {
 		showForm(main);
 	}
 
 	/***
 	 * Shows the route form
 	 */
 	public void showRoutesForm() {
 		showForm(routes);
 	}
 
 	/***
 	 * Enables/Disables the routeItem in the menubar
 	 * 
 	 * @param enable true for enable, false for disable
 	 */
 	public void enableRouteItem(boolean enable) {
 		showRoutesItem.setEnabled(enable);
 	}
 
 	/***
 	 * Enables/Disables the logOffItem in the menubar
 	 * 
 	 * @param enable true for enable, false for disable
 	 */
 	public void enableLogOffItem(boolean enable) {
 		logOffItem.setEnabled(enable);
 	}
 
 	/***
 	 * Enables/Disables the logOnItem in the menubar
 	 * 
 	 * @param enable true for enable, false for disable
 	 */
 	public void enableLogOnItem(boolean enable) {
 		logOnItem.setEnabled(enable);
 	}
 
 	/***
 	 * Enables the menu if true
 	 * 
 	 * @param b true for enable menu
 	 */
 	public void enableMenu(boolean b) {
 		menu.setEnabled(b);
 	}
 
 	/***
 	 * Gets the current form
 	 * 
 	 * @return the current form
 	 */
 	public Form getCurrentForm() {
 		return currentForm;
 	}
 
 	/***
 	 * Gets the form registered as login form
 	 * 
 	 * @return the form registered as login form
 	 */
 	public Form getLoginForm() {
 		return login;
 	}
 
 	/***
 	 * Generates and shows an error dialog
 	 * 
 	 * @param heading heading for the error
 	 * @param error the error itself
 	 * @param icon icon for the error
 	 */
 	public void showErrorDialog(String heading, String error, ImageIcon icon) {
 		JOptionPane.showMessageDialog(null, error, heading,
 				JOptionPane.INFORMATION_MESSAGE, icon);
 	}
 }