/*
 * $Id: GradientTrackRenderer.java,v 1.3 2008/07/12 11:37:15 dbarashev Exp $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.jdesktop.swingx.color;

//import org.apache.batik.ext.awt.MultipleGradientPaint;
import org.jdesktop.ganttproject.Modification;
import org.jdesktop.swingx.JXMultiThumbSlider;
import org.jdesktop.swingx.multislider.Thumb;
import org.jdesktop.swingx.multislider.TrackRenderer;

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.List;

/**
 * <p><b>Dependency</b>: Because this class relies on LinearGradientPaint and
 * RadialGradientPaint, it requires the optional MultipleGradientPaint.jar</p>
 */
public class GradientTrackRenderer extends JComponent {

    public static final Modification GP = null;
//    private Paint checker_paint;
//
//    public GradientTrackRenderer() {
//        checker_paint = ColorUtil.getCheckerPaint();
//    }
//    
//    private JXMultiThumbSlider slider;
//    
//    public void paint(Graphics g) {
//        super.paint(g);
//        paintComponent(g);
//    }
//
//    protected void paintComponent(Graphics gfx) {
//        Graphics2D g = (Graphics2D)gfx;
//        
//	// get the list of colors
//	List<Thumb<Color>> stops = slider.getModel().getSortedThumbs();
//	int len = stops.size();
//
//	// set up the data for the gradient
//	float[] fractions = new float[len];
//	Color[] colors = new Color[len];
//	int i = 0;
//	for(Thumb<Color> thumb : stops) {
//	    colors[i] = (Color)thumb.getObject();
//	    fractions[i] = thumb.getPosition();
//	    i++;
//	}
//
//	// calculate the track area
//	int thumb_width = 12;
//	int track_width = slider.getWidth() - thumb_width;
//	g.translate(thumb_width / 2, 12);
//	Rectangle2D rect = new Rectangle(0, 0, track_width, 20);
//
//	// fill in the checker
//	g.setPaint(checker_paint);
//	g.fill(rect);
//
//	// fill in the gradient
//	Point2D start = new Point2D.Float(0,0);
//	Point2D end = new Point2D.Float(track_width,0);
//	MultipleGradientPaint paint = new org.apache.batik.ext.awt.LinearGradientPaint(
//		(float)start.getX(),
//		(float)start.getY(),
//		(float)end.getX(),
//		(float)end.getY(),
//		fractions,colors);
//	g.setPaint(paint);
//	g.fill(rect);
//
//	// draw a border
//	g.setColor(Color.black);
//	g.draw(rect);
//	g.translate(-thumb_width / 2, -12);
//    }
//
//    public JComponent getRendererComponent(JXMultiThumbSlider slider) {
//        this.slider = slider;
//        return this;
//    }
}
