/*
 * File    : ColorButton.java
 * Created : 26-sep-2002 13:38
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * This program 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 program 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 (see the LICENSE file).
 */

package edu.xtec.jclic.beans;

import edu.xtec.util.Options;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import javax.swing.JButton;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.08.29
 */
public class ColorButton extends JButton {
    
    Options options;
    public static final String PROP_COLOR="color";
    public static final int BT_PREF_WIDTH=31, BT_PREF_HEIGHT=21;
    public static final int SAMPLE_WIDTH=21, SAMPLE_HEIGHT=14;
    Color color;
    
    
    /** Creates a new instance of ColorButton */
    public ColorButton() {
        super();        
        setPreferredSize(new java.awt.Dimension(BT_PREF_WIDTH, BT_PREF_HEIGHT));
        setMinimumSize(getPreferredSize());
        setMaximumSize(getPreferredSize());
        setColor(Color.lightGray);
    }
    
    public void setOptions(Options options){
        this.options=options;
    }
    
    
    @Override
    protected void fireActionPerformed(ActionEvent event){
        if(options!=null){
            Color c=AlphaColorChooserPanel.chooseColor(options, this, getColor());
            if(c!=null)
                changeColor(c);
        }
        super.fireActionPerformed(event);
    }
    
    public void setColor(Color c){
        color=c;
        repaint();        
    }
    
    public Color getColor(){
        return color;
    }
    
    public void changeColor(Color c){
        Color oldColor=getColor();
        setColor(c);
        if(!oldColor.equals(c))
            firePropertyChange(PROP_COLOR, oldColor, c);
    }
    
    @Override
    public void paintComponent(Graphics g){
        super.paintComponent(g);
        java.awt.Rectangle r=new java.awt.Rectangle(3, 3, getWidth()-6, getHeight()-6);
        g.setColor(color);
        g.fillRect(r.x, r.y, r.width, r.height);
    }
    
}