/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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, or (at your
 * option) any later version.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.client.swing.components;

import java.awt.Graphics;
import java.awt.Rectangle;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.plaf.basic.BasicScrollBarUI;

import com.redhat.thermostat.client.ui.Palette;

class SlimScrollBarUI extends BasicScrollBarUI  {

    @Override
    protected void installDefaults() {
        super.installDefaults();
        
        scrollBarWidth = 3;
        incrGap = 0;
        decrGap = 0;        
    }
    
    @Override
    protected JButton createIncreaseButton(int orientation) {
    
        return new JButton() {
            @Override
            protected void paintComponent(Graphics g) {
                
                if (getModel().isPressed()) {
                    g.setColor(Palette.GRANITA_ORANGE.getColor());
                } else {
                    g.setColor(Palette.EARL_GRAY.getColor());
                }
                g.fillRect(0, 0, getWidth() - 1, getHeight() - 1);
            }
        };
    }
    
    @Override
    protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
        g.setColor(Palette.GRANITA_ORANGE.getColor());
        g.fillRect(thumbBounds.x, thumbBounds.y, thumbBounds.width - 1,
                   thumbBounds.height - 1);
    }
    
    @Override
    protected JButton createDecreaseButton(int orientation) {
        return createIncreaseButton(orientation);
    }
}