BernsteinSliderUI.java

/*
* Copyright (c) 2002 and later by MH Software-Entwicklung. All Rights Reserved.
*  
* JTattoo is multiple licensed. If your are an open source developer you can use
* it under the terms and conditions of the GNU General Public License version 2.0
* or later as published by the Free Software Foundation.
*  
* see: gpl-2.0.txt
* 
* If you pay for a license you will become a registered user who could use the
* software under the terms and conditions of the GNU Lesser General Public License
* version 2.0 or later with classpath exception as published by the Free Software
* Foundation.
* 
* see: lgpl-2.0.txt
* see: classpath-exception.txt
* 
* Registered users could also use JTattoo under the terms and conditions of the 
* Apache License, Version 2.0 as published by the Apache Software Foundation.
*  
* see: APACHE-LICENSE-2.0.txt
*/
 
package com.jtattoo.plaf.bernstein;

import com.jtattoo.plaf.BaseSliderUI;
import java.awt.Component;
import java.awt.Graphics;
import javax.swing.JComponent;
import javax.swing.JSlider;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.ComponentUI;

/**
 * @author Michael Hagen
 */
public class BernsteinSliderUI extends BaseSliderUI {

    public BernsteinSliderUI(JSlider slider) {
        super(slider);
    }

    public static ComponentUI createUI(JComponent c) {
        return new BernsteinSliderUI((JSlider) c);
    }

    public void paintBackground(Graphics g, JComponent c) {
        if (c.isOpaque()) {
            Component parent = c.getParent();
            if ((parent != null) && (parent.getBackground() instanceof ColorUIResource)) {
                BernsteinUtils.fillComponent(g, c);
            } else {
                if (parent != null) {
                    g.setColor(parent.getBackground());
                } else {
                    g.setColor(c.getBackground());
                }
                g.fillRect(0, 0, c.getWidth(), c.getHeight());
            }
        }
    }
}