/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.inspector.widget;

import java.awt.Font;
import java.util.Hashtable;
import java.util.logging.Logger;

import org.openflexo.kvc.KVCObject;
import org.openflexo.xmlcode.StringConvertable;
import org.openflexo.xmlcode.StringEncoder;
import org.openflexo.xmlcode.StringEncoder.Converter;

/**
 * Please comment this class
 * 
 * @author sguerin
 * 
 */
public class WidgetFont extends KVCObject implements StringConvertable {

	private static final Logger logger = Logger.getLogger(WidgetFont.class.getPackage().getName());

	private Font _theFont;

	public Font getTheFont() {
		return _theFont;
	}

	public static final StringEncoder.Converter<WidgetFont> flexoFontConverter = new Converter<WidgetFont>(WidgetFont.class) {

		@Override
		public WidgetFont convertFromString(String value) {
			return stringToFont(value);
		}

		@Override
		public String convertToString(WidgetFont value) {
			return value.toString();
		}

	};

	public WidgetFont(String s) {
		this(nameFromString(s), styleFromString(s), sizeFromString(s));
	}

	public WidgetFont(String name, int style, int size) {
		super();
		_theFont = new Font(name, style, size);
	}

	public WidgetFont(Font aFont) {
		this(aFont.getName(), aFont.getStyle(), aFont.getSize());
	}

	@Override
	public String toString() {
		return _theFont.getName() + "," + _theFont.getStyle() + "," + _theFont.getSize();
	}

	@Override
	public StringEncoder.Converter getConverter() {
		return flexoFontConverter;
	}

	public static StringEncoder.Converter getConverterStatic() {
		return flexoFontConverter;
	}

	public static WidgetFont stringToFont(String s) {
		return new WidgetFont(s);
	}

	private static String nameFromString(String s) {
		return s.substring(0, s.indexOf(","));
	}

	private static int styleFromString(String s) {
		String parseMe = s.substring(s.indexOf(",") + 1, s.lastIndexOf(","));
		if (parseMe.equalsIgnoreCase("plain")) {
			return Font.PLAIN;
		}
		if (parseMe.equalsIgnoreCase("bold")) {
			return Font.BOLD;
		}
		if (parseMe.equalsIgnoreCase("italic")) {
			return Font.ITALIC;
		}
		if (parseMe.equalsIgnoreCase("bold+italic")) {
			return Font.BOLD + Font.ITALIC;
		}
		try {
			return Integer.parseInt(parseMe);
		} catch (NumberFormatException e) {
			// OK, give up
		}
		return Font.PLAIN;
	}

	private static int sizeFromString(String s) {
		return Integer.parseInt(s.substring(s.lastIndexOf(",") + 1));
	}

	private static final Hashtable<String, WidgetFont> fontHashtable = new Hashtable<String, WidgetFont>();

	public static WidgetFont get(String fontAsString) {
		if (fontAsString == null) {
			return null;
		}
		WidgetFont answer = fontHashtable.get(fontAsString);
		if (answer == null) {
			answer = new WidgetFont(fontAsString);
			fontHashtable.put(fontAsString, answer);
		}
		return answer;
	}

	public static void updateGUIBrowser() {
		// TODO Auto-generated method stub
		logger.warning("Immediate update of browser font not implemented yet !");
	}

}