JColorBlackWhiteSwitcher.java

/*
Copyright 2008-2011 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>, Taras Klaskovsky <megaterik@gmail.com>
Website : http://www.gephi.org

This file is part of Gephi.

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

Copyright 2011 Gephi Consortium. All rights reserved.

The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License.  When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"

If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
under the [CDDL or GPL Version 3] license." If you do not indicate a
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your version of this file under either the CDDL, the GPL Version 3 or
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However, if you add GPL Version 3 code and therefore, elected the GPL
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Contributor(s):

Portions Copyrighted 2011 Gephi Consortium.
 */
package org.gephi.ui.components;

import com.bric.swing.ColorPicker;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.SwingUtilities;
import org.openide.util.ImageUtilities;
import org.openide.windows.WindowManager;

/**
 * JColorButton modified to change color between black-white with left click and choose any color with right click.
 */
public class JColorBlackWhiteSwitcher extends JButton {

    public static String EVENT_COLOR = "color";
    private Color color;
    private boolean includeOpacity;
    private final static int ICON_WIDTH = 16;
    private final static int ICON_HEIGHT = 16;
    private final static Color DISABLED_BORDER = new Color(200, 200, 200);
    private final static Color DISABLED_FILL = new Color(220, 220, 220);

    public JColorBlackWhiteSwitcher(Color color) {
        this(color, false);
    }

    public JColorBlackWhiteSwitcher(Color originalColor, boolean includeOpacity) {
        this.includeOpacity = includeOpacity;
        this.color = originalColor;
        refreshIcon();
        /**
         * Right click action: choose color
         */
        addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                if (SwingUtilities.isRightMouseButton(e)) {
                    Color newColor = ColorPicker.showDialog(WindowManager.getDefault().getMainWindow(), color, JColorBlackWhiteSwitcher.this.includeOpacity);
                    if (newColor != null) {
                        setColor(newColor);
                    }
                }
            }
        });
        /**
         * Left click action: switch between white and black
         */
        addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                if (!color.equals(Color.BLACK) && !color.equals(Color.WHITE)) {
                    //Color is not white or black. Set to white to be swithed un future clicks
                    setColor(Color.WHITE);
                } else {
                    setColor(new Color(0xffffff - color.getRGB()));//switch black-white
                }
            }
        });
    }

    public void setColor(Color color) {
        if (color != this.color || (color != null && !color.equals(this.color))) {
            Color oldColor = this.color;
            this.color = color;
            firePropertyChange(EVENT_COLOR, oldColor, color);
            refreshIcon();
            repaint();
        }
    }

    class ColorIcon implements Icon {

        public int getIconWidth() {
            return ICON_WIDTH;
        }

        public int getIconHeight() {
            return ICON_HEIGHT;
        }

        public void paintIcon(Component c, Graphics g, int x, int y) {
            if (c.isEnabled()) {
                g.setColor(Color.BLACK);
                g.drawRect(x + 2, y + 2, ICON_WIDTH - 5, ICON_HEIGHT - 5);
                if (color != null) {
                    g.setColor(color);
                    g.fillRect(x + 3, y + 3, ICON_WIDTH - 6, ICON_HEIGHT - 6);
                }
            } else {
                g.setColor(DISABLED_BORDER);
                g.drawRect(x + 2, y + 2, ICON_WIDTH - 5, ICON_HEIGHT - 5);
                g.setColor(DISABLED_FILL);
                g.fillRect(x + 3, y + 3, ICON_WIDTH - 6, ICON_HEIGHT - 6);
            }
        }
    }

    private void refreshIcon() {
        if (color.equals(Color.WHITE)) {//White color, show a lightbulb on:
            setIcon(ImageUtilities.loadImageIcon("org/gephi/ui/components/resources/light-bulb.png", false));
        } else if (color.equals(Color.BLACK)) {//Black color, show a lightbulb off:
            setIcon(ImageUtilities.loadImageIcon("org/gephi/ui/components/resources/light-bulb-off.png", false));
        } else {
            setIcon(new ColorIcon());//Other color, show the color in a square as the icon
        }
    }

    public Color getColor() {
        return color;
    }

    public float[] getColorArray() {
        return new float[]{color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f, color.getAlpha() / 255f};
    }

    public void setIncludeOpacity(boolean includeOpacity) {
        this.includeOpacity = includeOpacity;
    }
}