listmenu.java

来自「Move2008 J2ME SDK是Move2008开发团队在平时的开发中研究出」· Java 代码 · 共 60 行

/**
*List菜单类，父类为Move2008.UI.Menu
*@CopyRight:Move2008
*@Author:bedlang
*@Version 1.0 2003/6/8
*/

package Move2008.UI;

import javax.microedition.lcdui.*;

public class ListMenu extends Move2008.UI.ListBase
{
	
	/**
	*构造函数，基于Move2008.UI.Menu类
	*@param ItemNum：菜单项的数量
	*/
	public ListMenu(int ItemNum)
	{
		super(ItemNum);
	}
	
	/**
	*绘制菜单，paint方法不能自己激发，需要主类方法调用
	*@param g：当前屏幕的Gracphics
	*/
	public void paint(Graphics g)
	{
		g.setColor(0);
		g.fillRect(left,top-1,width,height+1);
		g.setColor(200,200,200);
		g.drawRect(left-1,top-1,width-1,height-1);
		g.setColor(255,255,255);
		g.fillRect(left,top,width-1,height-1);	
		
		if(colorBackR!=-1)
			g.setColor(colorBackR,colorBackG,colorBackB);
		else
			g.setColor(100,100,100);
			
		g.fillRect(left,top,width-1,19);	
		g.setColor(255,255,255);
		g.drawString("菜单",left+5 , top+2, g.TOP|g.LEFT);

		if (itemNum!=0) 
			g.drawLine(left,top+18,left+width-2,top+18);					
		g.setColor(49,106,197);		
		if (itemFocus!=-1) g.fillRect(left,top+21+itemFocus*18,width-1,18);
		for(int i=0;i<itemNum;i++)
		{
			if (itemFocus==i)
				g.setColor(255,255,255);		
			else
				g.setColor(0);
			g.drawString(itemStr[i],left+8,top+i*18+22,g.TOP|g.LEFT);
		}
	}
	
}