SortArrowIcon.java

/*
 * Copyright (C) 2003  Bob Tantlinger
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */



package net.sf.thingamablog.gui.table;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;

import javax.swing.Icon;

public class SortArrowIcon implements Icon
{
    public static final int NONE = 0;
    public static final int DECENDING = 1;
    public static final int ASCENDING = 2;

    protected int direction;
    protected int width = 8;
    protected int height = 8;
  
    public SortArrowIcon(int direction)
    {
        this.direction = direction;
    }
  
    public int getIconWidth()
    {
        return width;
    }
  
    public int getIconHeight()
    {
        return height;
    }
  
    public void paintIcon(Component c, Graphics g, int x, int y)
    {
        Color bg = c.getBackground();
        Color light = bg.brighter();
        Color shade = bg.darker();
  
        int w = width;
        int h = height;
        int m = w / 2;
        if(direction == ASCENDING)
        {
            g.setColor(shade);
            g.drawLine(x, y, x + w, y);
            g.drawLine(x, y, x + m, y + h);
            g.setColor(light);
            g.drawLine(x + w, y, x + m, y + h);
        }
        if(direction == DECENDING)
        {
            g.setColor(shade);
            g.drawLine(x + m, y, x, y + h);
            g.setColor(light);
            g.drawLine(x, y + h, x + w, y + h);
            g.drawLine(x + m, y, x + w, y + h);
        }
    }
}