checkelement.java

J2ME上的一个播放器,可以更换皮肤.开源软件.

package inline.ui.le;

import javax.microedition.lcdui.*;
import inline.ui.ce.CanvasElement;

    public class CheckElement extends StringElement
    {
	public static final int TYPE_2 = 1;
	public static final int TYPE_3 = 2;
	
	protected int state;
	protected boolean selected;
	protected boolean marked;
	protected int type;
        
        public CheckElement(String txt, int ttype)
        {
	    super(txt);
	    state = 0;
	    selected = false;
	    marked = false;
	    type = ttype;
        }
        
	public boolean ownerDraw()
	{
	    return true;
	}
	
	public void onDraw(Graphics g, inline.ui.ce.InList lst, int x, int y, int asc ) 
	{
	    int fh = lst.getFontHeight();
	    int d1 = (fh >> 2);
	    int d2 = (fh >> 1);

	    boolean sel = (asc>=0);
	    
	    g.setColor(lst.getRampColor(90, sel));
	    g.drawRect(x+d1,y+d1, d2, d2);
	    
	    g.setColor(lst.getRampColor(70, sel));
	    if (state == 1)
	    {
		g.fillRect(x+d1+1,y+d1+1, d2-1, d2-1);
	    }
	    else if (state == 2)
	    {
		g.fillRect(x+d1+1,y+d1+1, d1, d2-1);
	    }
	    
	    if (selected)
	    {
		g.drawRect(x+d1-2,y+d1-2, d2+4, d2+4);
	    }

	    if (marked)
	    {
		g.setColor(lst.getRampColor(100, sel));
		g.fillTriangle(x+d2-2, y+1, x+fh-3, y+1, x+fh-3, y+d2);
		g.setColor(lst.getRampColor(0, sel));
		g.drawLine(x+d2-3, y+1, x+fh-3, y+d2+1);
	    }
	    
	    g.setColor(lst.getRampColor(100, sel));
	    CanvasElement.paintStringASC(lst, g, text, x+fh, y, 0, fh, asc);
	}
	
	public boolean onSelect()
	{
	    state++;
	    if (state>type) state = 0;
	    return true;
	}
	
	public void setState(int sstate)
	{
	    state = sstate;
	}

	public int getState()
	{
	    return state;
	}

	public void setSelected(boolean ssel)
	{
	    selected = ssel;
	}

	public boolean getSelected()   
	{
	    return selected;
	}

	public void setMarked(boolean mmarked)
	{
	    marked = mmarked;
	}

	public boolean isMarked()
	{
	    return marked;
	}
	
	public void invertMarked()
	{
	    marked = !marked;
	}
    }