systemmenucmd.java

《神州》RPG游戏引擎

import javax.microedition.lcdui.*;

public class SystemMenuCmd
{
    public static String COMMAND_CANCEL="取消";
    public static String COMMAND_USE="使用";
    public static String COMMAND_PUTUP="装备";
    public static String COMMAND_PUTDOWN="卸下";
    public static String COMMAND_CHANGE="更换";

    public String[] command;
    private Graphics g;
    private Canvas1 canvas;
    private int commandIndex;
    private int x,y;


    public SystemMenuCmd(Canvas1 canvas)
    {
        this.canvas=canvas;
        this.g=canvas.g;
    }


    public void setCommand(String[] command)
    {
        this.command = command;
    }

    public void setPosition(int x,int y)
    {
        this.x = x;
        this.y = y;
    }

    public void nextCommand()
    {
        if(commandIndex<command.length-1)
        {
            commandIndex++;
        }
    }

    public void prevCommand()
    {
        if(commandIndex>0)
        {
            commandIndex--;
        }
    }

    public int getCommandIndex()
    {
        return commandIndex;
    }

    public void paint()
    {
        int w=0,h=0;

        if(command!=null)
        {
            for(int i=0;command!=null && i<command.length;i++)
            {
                if(w<Style.font.stringWidth(command[i]))
                {
                    w=Style.font.stringWidth(command[i]);
                }
            }
            h=command.length*Style.font.getHeight();
        }

        w=w+6;
        g.setColor(Style.bgColor);
        g.fillRect(x,y,w,h);  //对话框背景色
        g.setColor(Style.boardColor);
        g.drawRect(x,y,w,h); //外框

        for(int i=0;i<command.length;i++)
        {
            if(i==commandIndex)
            {
                //画高亮;
                g.setColor(Style.highLight);
                g.fillRect(x+1,y+commandIndex*Style.font.getHeight()+1,w-1,Style.font.getHeight()-1);
            }
            g.setColor(0x000000);
            g.drawString(command[i],x+3,y+i*Style.font.getHeight(),Style.LT);
        }


    }


}