/*
 * Copyright (c) 2007, Sun Microsystems, Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in 
 *    the documentation and/or other materials provided with the distribution.
 *  * Neither the name of Sun Microsystems, Inc. nor the names of its 
 *    contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package examples.colorpicker;

/** ColorPreview class is a visual component that sets its background color according to
 * given red, green and blue values.
 */
public class ColorPreview extends javax.swing.JPanel {

    private int red;
    private java.beans.PropertyChangeSupport propertyChangeSupport;
    private int green;
    private int blue;

    /** ColorPreview constructor.
     */
    public ColorPreview() {
        propertyChangeSupport = new java.beans.PropertyChangeSupport(this);
    }

    /** Adds new property change listener to be registered with this bean.
     * @param l PropertyChangeListener to be registered with this bean.
     */
    public void addPropertyChangeListener(java.beans.PropertyChangeListener l) {
        propertyChangeSupport.addPropertyChangeListener( l );
    }

    /** Removes previously added property added listener.
     * @param l PropertyChangeListener to be unregistered from this bean.
     */
    public void removePropertyChangeListener(java.beans.PropertyChangeListener l) {
        propertyChangeSupport.removePropertyChangeListener( l );
    }

    /** Red value getter.
     * @return Red value of this bean.
     */
    public int getRed() {
        return red;
    }

    /** Red value setter.
     * @param red Red value of this bean.
     */
    public void setRed(int red) {
        int oldRed = this.red;
        this.red = red;
        propertyChangeSupport.firePropertyChange("red", new Integer(oldRed), new Integer(red));
        setBackground(new java.awt.Color(red, green, blue));
        repaint();
    }

    /** Green value getter.
     * @return Green value of this bean.
     */
    public int getGreen() {
        return green;
    }

    /** Green value setter.
     * @param green Green value of this bean.
     */
    public void setGreen(int green) {
        int oldGreen = this.green;
        this.green = green;
        propertyChangeSupport.firePropertyChange("green", new Integer(oldGreen), new Integer(green));
        setBackground(new java.awt.Color(red, green, blue));
        repaint();
    }

    /** Blue value getter.
     * @return Blue value of this bean.
     */
    public int getBlue() {
        return blue;
    }

    /** Blue value setter.
     * @param blue Blue value of this bean.
     */
    public void setBlue(int blue) {
        int oldBlue = this.blue;
        this.blue = blue;
        propertyChangeSupport.firePropertyChange("blue", new Integer(oldBlue), new Integer(blue));
        setBackground(new java.awt.Color(red, green, blue));
        repaint();
    }
}