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/*
 * @(#)SliderWheelUI.java   beta8   2006/04/23
 *
 * Copyright (C) 2008    Adam King (adamjking@optusnet.com.au)
 *
 * This application 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 application 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 application; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


package org.midibox.utils.gui;

import java.awt.Dimension;
import java.awt.Graphics;

import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.plaf.basic.BasicSliderUI;

public class SliderWheelUI extends BasicSliderUI {

    private ImageIcon vertThumbIcon2;

    private ImageIcon horizThumbIcon2;

    private int thumbHeight;

    public SliderWheelUI(ImageIcon horizThumbIcon2, ImageIcon vertThumbIcon2,
            int thumbHeight) {
        super(null);
        this.horizThumbIcon2 = horizThumbIcon2;
        this.vertThumbIcon2 = vertThumbIcon2;
        this.thumbHeight = thumbHeight;
    }

    public void setThumbLocation(int x, int y) {
        thumbRect.setLocation(x, y);
        slider.repaint();
    }

    public void paint(Graphics g, JComponent c) {

        if (c.hasFocus()) {
            paintFocus(g);
        }
        paintThumb(g);
    }

    public void paintThumb(Graphics g) {

        ImageIcon icon;

        if (slider.getOrientation() == slider.VERTICAL) {
            icon = vertThumbIcon2;
        } else {
            icon = horizThumbIcon2;
        }

        int noImages = (icon.getIconWidth() / icon.getIconHeight()) - 1;
        int pos1 = (int) ((((icon.getIconHeight()) - slider.getWidth()) / 2));
        int pos2 = (int) (((float) (slider.getValue()) / ((float) slider
                .getMaximum())) * noImages)
                * icon.getIconHeight();

        icon.paintIcon(slider, g, -pos1 - pos2, (slider.getHeight() - icon
                .getIconHeight()) / 2);
        g.dispose();
    }

    public void paintTrack(Graphics g) {
        return;
    }

    public Dimension getThumbSize() {
        if (slider.getOrientation() == slider.VERTICAL) {
            return new Dimension(vertThumbIcon2.getIconHeight(), thumbHeight);
        } else {
            return new Dimension(thumbHeight, horizThumbIcon2.getIconHeight());
        }
    }
}