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/*
 * $Id: GreekList.java 5075 2012-02-27 16:36:18Z blowagie $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: [email protected]
 */
package com.itextpdf.text;

import com.itextpdf.text.factories.GreekAlphabetFactory;

/**
 *
 * A special-version of LIST which use greek-letters.
 *
 * @see com.itextpdf.text.List
 */

public class GreekList extends List {

// constructors

	/**
	 * Initialization
	 */
	public GreekList() {
		super(true);
		setGreekFont();
	}
	/**
	 * Initialization
	 *
	 * @param symbolIndent	indent
	 */
	public GreekList(int symbolIndent) {
		super(true, symbolIndent);
		setGreekFont();
	}

	/**
	 * Initialization
	 * @param	greeklower		greek-char in lowercase
	 * @param 	symbolIndent	indent
	 */
	public GreekList(boolean greeklower, int symbolIndent) {
		super(true, symbolIndent);
		lowercase = greeklower;
		setGreekFont();
	}

// helper method

	/**
	 * change the font to SYMBOL
	 */
	protected void setGreekFont() {
		float fontsize = symbol.getFont().getSize();
		symbol.setFont(FontFactory.getFont(FontFactory.SYMBOL, fontsize, Font.NORMAL));
	}

// overridden method

	/**
	 * Adds an Element to the List.
	 *
	 * @param	o	the object to add.
	 * @return true if adding the object succeeded
	 */
	@Override
        public boolean add(Element o) {
		if (o instanceof ListItem) {
			ListItem item = (ListItem) o;
			Chunk chunk = new Chunk(preSymbol, symbol.getFont());
            chunk.setAttributes(symbol.getAttributes());
			chunk.append(GreekAlphabetFactory.getString(first + list.size(), lowercase));
			chunk.append(postSymbol);
			item.setListSymbol(chunk);
			item.setIndentationLeft(symbolIndent, autoindent);
			item.setIndentationRight(0);
			list.add(item);
		} else if (o instanceof List) {
			List nested = (List) o;
			nested.setIndentationLeft(nested.getIndentationLeft() + symbolIndent);
			first--;
			return list.add(nested);
		}
		return false;
	}

}