/*
 * (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.swing;

import java.util.Enumeration;
import java.util.Vector;

import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;

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

/**
 * @author gpolet
 * 
 */
public class LookAndFeel extends KVCObject implements StringConvertable, ChoiceList {

	private static final Vector<LookAndFeel> availableValues = new Vector<LookAndFeel>();

	public static final StringEncoder.Converter<LookAndFeel> lookAndFeelConverter = new Converter<LookAndFeel>(LookAndFeel.class) {

		@Override
		public LookAndFeel convertFromString(String value) {
			Enumeration<LookAndFeel> en = availableValues().elements();
			while (en.hasMoreElements()) {
				LookAndFeel laf = en.nextElement();
				if (laf.getClassName().equals(value)) {
					return laf;
				}
			}
			return getDefaultLookAndFeel();
		}

		@Override
		public String convertToString(LookAndFeel value) {
			return value.getClassName();
		}

	};

	public static LookAndFeel getDefaultLookAndFeel() {
		for (LookAndFeel feel : availableValues()) {
			if (feel.getClassName().equals(UIManager.getSystemLookAndFeelClassName())) {
				return feel;
			}
		}
		return availableValues().firstElement();
	}

	public static Vector<LookAndFeel> availableValues() {
		if (availableValues.size() == 0) {
			LookAndFeelInfo[] lafs = UIManager.getInstalledLookAndFeels();
			for (int i = 0; i < lafs.length; i++) {
				LookAndFeelInfo feel = lafs[i];
				availableValues.add(new LookAndFeel(feel));
			}
		}
		return availableValues;
	}

	public static LookAndFeel get(String s) {
		return lookAndFeelConverter.convertFromString(s);
	}

	private LookAndFeelInfo info;

	/**
     *
     */
	public LookAndFeel(LookAndFeelInfo info) {
		this.info = info;
	}

	public String getClassName() {
		return info.getClassName();
	}

	public String getName() {
		return info.getName();
	}

	/**
	 * Overrides getConverter
	 * 
	 * @see org.openflexo.xmlcode.StringConvertable#getConverter()
	 */
	@Override
	public Converter getConverter() {
		return lookAndFeelConverter;
	}

	/**
	 * Overrides getAvailableValues
	 * 
	 * @see org.openflexo.kvc.ChoiceList#getAvailableValues()
	 */
	@Override
	public Vector getAvailableValues() {
		return availableValues;
	}

}