package com.j2medev.chapter5;

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

public class GoBang extends MIDlet implements CommandListener{
    
    private static GoBang instance = null;
    private Display display = null;
    private List menu = null;
    public static final String[] titles = {"Connect to network","Play with Computer","settings"};
    
    public void startApp() {
        if(display == null){
            display = Display.getDisplay(this);
            instance = this;
            //初始化游戲主菜單
            menu = new List("GoBang",List.IMPLICIT,titles,null);
            menu.setCommandListener(this);
            menu.addCommand(new Command("Exit",Command.EXIT,1));
        }
        display.setCurrent(menu);
    }
    
    public Displayable getMenu(){
        return menu;
    }
    public static void setCurrent(Displayable displayable){
        instance.display.setCurrent(displayable);
    }
    
    public static void setCurrent(Alert alert,Displayable displayable){
        instance.display.setCurrent(alert,displayable);
    }
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command command, Displayable displayable) {
        if(command.getCommandType() == Command.EXIT){
            destroyApp(false);
            notifyDestroyed();
        }else if(command == List.SELECT_COMMAND){
            int index = menu.getSelectedIndex();
            if(index == 0){
                //聯網對站，連接服務器
                Form form = new Form("Connect to server");
                form.append("please wait... application is connecting to game server");
                display.setCurrent(form);
                new Thread(new GameEngine(this)).start();
            }else if(index == 1){
                //與電腦對站，讀者自行實現
            }else{
                //關于
            }
        }
    }
    

}