/**********************************************************
  
 File name:MenuList.java
 
 Author:夏文濤
 
 Version:Beta1.0
 
 Data:2007/10/16
  
 Description:
 
    手機菜單的顯示和處理.
    
 Function List:
 
    1.setGameActive(boolean) 
      更新游戲運行狀態.如果暫停游戲,則加入"繼續游戲"項.

 *********************************************************/

package com.Izual.MetalMax;


import javax.microedition.lcdui.*;


public class MenuList extends List implements CommandListener{
	
	private MetalMax midlet;
	private Command exitCommand;
	
	/*游戲是否暫停*/
	private boolean gameActive = false;

	public MenuList(MetalMax midlet) {
		// TODO 自動生成構造函數存根
		
		super("MetalMax",List.IMPLICIT);
		this.midlet = midlet;
		append("新游戲",null);
		append("讀取進度",null);
		append("制作組",null);
		exitCommand = new Command("退出",Command.EXIT,1);
		addCommand(exitCommand);
		setCommandListener(this);
		
		
	}
	
	/*更新游戲狀態,如果暫停,則加入"繼續游戲",否則,把以前加入的"繼續游戲"刪去*/
	public void setGameActive(boolean active){
		
		if(active && !gameActive){
			
			gameActive = true;
			insert(0,"繼續游戲",null);
		}else if(!active && gameActive){
			
			gameActive = false;
			delete(0);
		}
	}
	
	/*監聽事件處理*/
	public void commandAction(Command c ,Displayable d){
		
		if( c == List.SELECT_COMMAND){
			
			int index = getSelectedIndex();
			
			if(index != -1){
				
				if(!gameActive){
					
					index++;
				}
				
				/*根據菜單編號決定游戲狀態*/
				switch(index){
				
				/*繼續游戲*/
				case 0:
					
					midlet.menuListContinue();
					break;
				
				/*新游戲*/
				case 1:
					
					midlet.menuListNewGame();
					break;
				
				/*顯示記錄*/
				case 2:
					
					midlet.menuListRecord();
					break;
				
				/*顯示游戲介紹*/
				case 3:
					
					midlet.menuListInstructions();
					break;
					
				default:
					
					break;
				}
			}
		}else if(c == exitCommand){
			
			midlet.menuListQuit();
		}
	}

	

}