/*
 * $Id$
 * Copyright (c) 2005-2007 Bruno Lowagie, Carsten Hammer
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 * This class was originally published under the MPL by Bruno Lowagie
 * and Carsten Hammer.
 * It was a part of iText, a Java-PDF library. You can now use it under
 * the MIT License; for backward compatibility you can also use it under
 * the MPL version 1.1: http://www.mozilla.org/MPL/
 * A copy of the MPL license is bundled with the source code FYI.
 */
package com.lowagie.toolbox.arguments;

import java.awt.Color;
import java.awt.event.ActionEvent;

import javax.swing.JColorChooser;

import com.lowagie.toolbox.AbstractTool;

/**
 * @since 2.1.1 (imported from itexttoolbox project)
 */
public class ColorArgument extends AbstractArgument {
    public ColorArgument() {
        super();
    }

    public ColorArgument(AbstractTool tool, String name, String description) {
        super(tool, name, description, null);
    }

    public Object getArgument() throws InstantiationException {
        if (value == null) {
            return null;
        }
        try {
            return Color.decode(value.toString());
        } catch (Exception e) {
            throw new InstantiationException(e.getMessage());
        }
    }

    public void actionPerformed(ActionEvent e) {
        Color initialColor = new Color(0xFF, 0xFF, 0xFF);
        if (value != null) {
            initialColor = Color.decode(value.toString());
        }
        Color newColor = JColorChooser.showDialog(tool.getInternalFrame(),
                                                  "Choose Color", initialColor);
        setValue("0x"
                 + Integer.toHexString(
                         (newColor.getRed() << 16)
                         | (newColor.getGreen() << 8)
                         | (newColor.getBlue() << 0)).toUpperCase());
    }


}