base.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.

/**
*UI控件的基类
*@CopyRight:Move2008
*@Author:bedlang
*@Version 1.0 2003/6/8
*/

package mmae.ui;

public class Base extends Object
{
	public int left,top;		//控件绘图顶点
	public int width,height;	//控件绘图长宽	
	public int colorBackR;				//控件背景颜色
	public int colorBackG;
	public int colorBackB;	
	mmae.ui.Listener listener;
	public boolean visible = true;//是否显示
	
	public final int EVT_ITEM_FOCUS = 1001;

	/**
	*构造函数<br>
	*/	
	public Base()
	{
		colorBackR = colorBackG = colorBackB = -1;	
	}
	
	/**
	*构造函数<br>
	*Left、Top：控件绘图顶点<br>
	*Width、Height：控件绘图长宽
	*/
	public Base(int Left, int Top, int Width, int Height)
	{
		setRect(Left,Top,Width,Height);
		colorBackR = colorBackG = colorBackB = -1;
	}

	/**
	*设置菜单顶点坐标
	*/	
	public void setPosition(int Left, int Top)
	{
		left = Left;
		top = Top;
	}
		
	/**
	*设置控件绘图区域
	*/
	public void setRect(int Left, int Top, int Width, int Height)
	{
		left = Left;
		top = Top;
		width = Width;
		height = Height;	
	}
	
	/**
	*设置背景颜色，R、G、B分别为三原色的值
	*/
	public void setColor(int R, int G, int B)
	{
		colorBackR = R;
		colorBackG = G;
		colorBackB = B;
	}

	/**
	*设置为隐藏，此方法需要主类调用Paint方法才能生效			
	*/
	public void hide()
	{
		visible = false;
	}

	/**
	*设置为显示，此方法需要主类调用Paint方法才能生效			
	*/
	public void show()
	{
		visible = true;
	}
	
    protected final void dispatchEvent(int EventId, int Value)
    {
        if(listener != null)
            listener.processEvent(this, EventId, Value);
    }

	/**
	*设置监听
	*/
    public void setListener(Listener Listener)
    {
        listener = Listener;
    } 
}