menu.java

MMAE1.0开发者版源代码 用于扩展java me移动开发引擎,这是1.0版的源码.

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

package mmae.ui;

import javax.microedition.lcdui.*;

public class Menu extends mmae.ui.ItemBase
{
	
	String caption;
	
	/**
	*构造函数，ItemNum：菜单项的数量
	*/
	public Menu(int ItemNum, String Caption)
	{
		super(ItemNum);
		caption = Caption;
	}
	
	/**
	*绘制菜单，paint方法不能自己激发，需要主类方法调用
	*/
	public void draw(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);	
		
		g.setColor(180,30,40);
		g.fillRect(left,top,width-1,21);	
		g.setColor(255,255,255);
		g.drawString(caption,left+5 , top+3, g.TOP|g.LEFT);

		g.setColor(0);
		if (itemNum!=0) 
			g.drawLine(left,top+20,left+width-2,top+20);
			
		g.setColor(49,106,197);		
		if (itemFocus!=-1) g.fillRect(left,top+21+itemFocus*19,width-1,19);
		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*19+22,g.TOP|g.LEFT);
		}
	}
	
}