/*
 * (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.foundation.utils;

import java.util.Enumeration;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.openflexo.foundation.FlexoObject;
import org.openflexo.kvc.ChoiceList;
import org.openflexo.xmlcode.StringConvertable;
import org.openflexo.xmlcode.StringEncoder;
import org.openflexo.xmlcode.StringEncoder.Converter;

/**
 * @author gpolet
 * 
 */
public abstract class FlexoDocFormat extends FlexoObject implements StringConvertable, ChoiceList {
	public static final StringEncoder.Converter<FlexoDocFormat> flexoDocFormatConverter = new Converter<FlexoDocFormat>(
			FlexoDocFormat.class) {

		@Override
		public FlexoDocFormat convertFromString(String value) {
			return get(value);
		}

		@Override
		public String convertToString(FlexoDocFormat value) {
			return value.getName();
		}

	};

	public static FlexoDocFormat get(String s) {
		Enumeration<FlexoDocFormat> en = availableValues().elements();
		while (en.hasMoreElements()) {
			FlexoDocFormat df = en.nextElement();
			if (df.getName().equals(s)) {
				return df;
			}
		}
		if (logger.isLoggable(Level.WARNING)) {
			logger.warning("Could not find Doc format named '" + s + "'");
		}
		return null;
	}

	/**
	 * @author gpolet
	 * 
	 */
	public static class LatexFormat extends FlexoDocFormat {

		/**
		 * Overrides getName
		 * 
		 * @see org.openflexo.foundation.utils.FlexoDocFormat#getName()
		 */
		@Override
		public String getName() {
			return "LaTeX";
		}

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

	}

	/**
	 * @author gpolet
	 * 
	 */
	public static class PlainTextFormat extends FlexoDocFormat {

		/**
		 * Overrides getName
		 * 
		 * @see org.openflexo.foundation.utils.FlexoDocFormat#getName()
		 */
		@Override
		public String getName() {
			return "Plain text";
		}

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

	}

	/**
	 * @author gpolet
	 * 
	 */
	public static class HTMLFormat extends FlexoDocFormat {

		/**
		 * Overrides getName
		 * 
		 * @see org.openflexo.foundation.utils.FlexoDocFormat#getName()
		 */
		@Override
		public String getName() {
			return "HTML";
		}

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

	}

	@Override
	public Vector<FlexoDocFormat> getAvailableValues() {
		if (availableValues == null) {
			availableValues = new Vector<FlexoDocFormat>();
			availableValues.add(PLAIN_TEXT);
			availableValues.add(LATEX);
			availableValues.add(HTML);
		}
		return availableValues;
	}

	public static Vector<FlexoDocFormat> availableValues() {
		return PLAIN_TEXT.getAvailableValues();
	}

	public abstract String getName();

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

	private Vector<FlexoDocFormat> availableValues;

	public static final FlexoDocFormat PLAIN_TEXT = new PlainTextFormat();

	public static final FlexoDocFormat LATEX = new LatexFormat();

	public static final FlexoDocFormat HTML = new HTMLFormat();
}