/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.parameter;

import java.awt.Color;

import com.rapidminer.tools.LogService;

/**
 * A parameter type for colors. Operators ask for the selected file with
 * {@link com.rapidminer.operator.Operator#getParameterAsColor(String)}.
 * 
 * @author Ingo Mierswa
 */
public class ParameterTypeColor extends ParameterTypeString {

    private static final long serialVersionUID = 2205857626001106753L;

    public ParameterTypeColor(String key, String description, Color defaultColor) {
        super(key, description, color2String(defaultColor));
    }

    public ParameterTypeColor(String key, String description, String defaultColor) {
        super(key, description, defaultColor);
    }

    public static String color2String(Color color) {
        return color.getRed() + "," + color.getGreen() + "," + color.getBlue();
    }

    @Override
    public String getRange() {
        return "colors";
    }

    public static Color string2Color(String colorString) {
        try {
            return Color.decode(colorString);
        } catch (Exception e) {
            String[] colors = colorString.split(",");
            if (colors.length == 3) {
                return new Color(Integer.parseInt(colors[0]), Integer.parseInt(colors[1]), Integer.parseInt(colors[2]));
            } else {
                LogService.getRoot().warning("Cannot parse color: "+colorString);
                return Color.BLACK;
            }
        }
    }
}