pingumenu.java

j2me_nokia_flash打企鹅手机版

import javax.microedition.lcdui.*;

// Referenced classes of package ys.pingu:
//            PinguMIDlet

class PinguMenu extends List
    implements CommandListener
{

    private PinguMIDlet parent;
    private Command exitCommand;
    private boolean gameActive;

    PinguMenu(PinguMIDlet pingumidlet)
    {
        super("Main menu", 3);
        gameActive = false;
        parent = pingumidlet;
        append("New game", null);
        append("Highscores", null);
        append("Help", null);
        append("About", null);
        append("Quit", null);
        exitCommand = new Command("Quit", 7, 1);
        addCommand(exitCommand);
        setCommandListener(this);
    }

    void setGameActive(boolean flag)
    {
        if(flag && !gameActive)
        {
            gameActive = true;
            insert(0, "Continue", null);
        } else
        if(!flag && gameActive)
        {
            gameActive = false;
            delete(0);
        }
    }

    public void commandAction(Command command, Displayable displayable)
    {
        if(command == List.SELECT_COMMAND)
        {
            int i = getSelectedIndex();
            if(i != -1)
            {
                if(!gameActive)
                    i++;
                switch(i)
                {
                case 0: // '\0'
                    parent.pinguMenuContinue();
                    break;

                case 1: // '\001'
                    parent.pinguMenuNewGame();
                    break;

                case 2: // '\002'
                    parent.pinguMenuHigh();
                    break;

                case 3: // '\003'
                    parent.pinguMenuHelp(0);
                    break;

                case 4: // '\004'
                    parent.pinguMenuHelp(1);
                    break;

                case 5: // '\005'
                    parent.pinguMenuQuit();
                    break;
                }
            }
        } else
        if(command == exitCommand)
            parent.pinguMenuQuit();
    }
}