// ITU F2005 JMA - Homework week 02
// Exercise3.java
// 2005-02-15 Kenn A. Thisted

/*
 * Make a menu for a simple game with the following entries: 
 * start, high-score, save, and restore.
 */

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;

public class Exercise3 extends MIDlet implements CommandListener {
  
  Display display = null;
  List menu = null;
  
  static final Command choiseCommand = new Command ("Choose", Command.ITEM, 1);
  static final Command exitCommand   = new Command ("Exit",   Command.STOP, 2);
  

  // empty constructor
  public Exercise3() {
  }

  public void startApp() {
  	
    display = Display.getDisplay(this);
    
    menu = new List("Game Menu", Choice.IMPLICIT);
    menu.append("start", null);
    menu.append("high-score", null);
    menu.append("save", null);
    menu.append("restore", null);
    menu.addCommand(choiseCommand);
    menu.addCommand(exitCommand);
    menu.setCommandListener(this);
  	  	
    display.setCurrent(menu);
  }

  public void pauseApp() {
  	// make eligable for garbage collection
  	display = null;
  	menu = null;
  }

  public void destroyApp(boolean unconditional) {
  	notifyDestroyed();
  }
  
  public void commandAction(Command c, Displayable d) {
  	
  	String label = c.getLabel(); // can be omitted
  	if (c == exitCommand) {
  		
  		destroyApp(true);
  		
  	} else if (c == choiseCommand) {
  		
  		List down = (List)display.getCurrent();
  		int choise = down.getSelectedIndex();
  		
  		System.out.print("Choice (" + choise + "): ");
  		switch(choise) {
  			case 0: System.out.println(menu.getString(choise)); break;
  			case 1: System.out.println(menu.getString(choise)); break;
  			case 2: System.out.println(menu.getString(choise)); break;
  			case 3: System.out.println(menu.getString(choise)); break;
  		}
  		
  		choise = -1;
  		down = null;
  		
  	} // if
  	
  	label = null;
  	
  } // commandAction()

}