Application: gvSIG desktop » gvSIG 3D

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright © 2007-2016 gvSIG Association

 *

 * 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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.view3d.vector.swing.impl;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import java.util.List;

import java.util.Random;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JColorChooser;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

/**

 * Button for color selection.

 * 

 * <p>As off: http://stackoverflow.com/questions/26565166/how-to-display-a-color-selector-when-clicking-a-button

 * 

 */

public class JColorChooserButton extends JButton {

    private I18nManager i18nManager = ToolsLocator.getI18nManager();

    private Color current;

    public JColorChooserButton( Color c ) {

        setSelectedColor(c);

        addActionListener(new ActionListener(){

            @Override

            public void actionPerformed( ActionEvent arg0 ) {

                Color newColor = JColorChooser.showDialog(null, i18nManager.getTranslation("Choose a Color"), current);

                setSelectedColor(newColor);

            }

        });

    }

    public Color getSelectedColor() {

        return current;

    }

    public void setSelectedColor( Color newColor ) {

        setSelectedColor(newColor, true);

    }

    public void setSelectedColor( Color newColor, boolean notify ) {

        if (newColor == null) {

            Random rand = new Random();

            float r = rand.nextFloat();

            float g = rand.nextFloat();

            float b = rand.nextFloat();

            this.current = new Color(r, g, b);

        } else {

            this.current = newColor;

        }

        setIcon(createIcon(current, 16, 16));

        repaint();

        if (notify) {

            // Notify everybody that may be interested.

            for( ColorChangedListener l : listeners ) {

                l.colorChanged(newColor);

            }

        }

    }

    public static interface ColorChangedListener {

        public void colorChanged( Color newColor );

    }

    private List<ColorChangedListener> listeners = new ArrayList<ColorChangedListener>();

    public void addColorChangedListener( ColorChangedListener toAdd ) {

        listeners.add(toAdd);

    }

    public static ImageIcon createIcon( Color main, int width, int height ) {

        BufferedImage image = new BufferedImage(width, height, java.awt.image.BufferedImage.TYPE_INT_RGB);

        Graphics2D graphics = image.createGraphics();

        graphics.setColor(main);

        graphics.fillRect(0, 0, width, height);

        graphics.setXORMode(Color.DARK_GRAY);

        graphics.drawRect(0, 0, width - 1, height - 1);

        image.flush();

        ImageIcon icon = new ImageIcon(image);

        return icon;

    }

}