using System;
using System.Text;
using iTextSharp.text.factories;

/*
 * Copyright 2003 by Michael Niedermair.
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */
namespace iTextSharp.text {

/**
 * 
 * A special-version of <CODE>LIST</CODE> which use roman-letters.
 * 
 * @see com.lowagie.text.List
 * @version 2003-06-22
 * @author Michael Niedermair
 */

    public class RomanList : List {

        /**
        * Initialization
        */
        public RomanList() : base(true) {
        }

        /**
        * Initialization
        * 
        * @param symbolIndent    indent
        */
        public RomanList(int symbolIndent) : base(true, symbolIndent){
        }

        /**
        * Initialization 
        * @param    romanlower        roman-char in lowercase   
        * @param     symbolIndent    indent
        */
        public RomanList(bool romanlower, int symbolIndent) : base(true, symbolIndent) {
            this.lowercase = romanlower;
        }

        /**
        * Adds an <CODE>Object</CODE> to the <CODE>List</CODE>.
        *
        * @param    o    the object to add.
        * @return true if adding the object succeeded
        */
        public override bool Add(Object o) {
            if (o is ListItem) {
                ListItem item = (ListItem) o;
                Chunk chunk = new Chunk(preSymbol, symbol.Font);
                chunk.Append(RomanNumberFactory.GetString(first + list.Count, lowercase));
                chunk.Append(postSymbol);
                item.ListSymbol = chunk;
                item.SetIndentationLeft(symbolIndent, autoindent);
                item.IndentationRight = 0;
                list.Add(item);
                return true;
            } else if (o is List) {
                List nested = (List) o;
                nested.IndentationLeft = nested.IndentationLeft + symbolIndent;
                first--;
                list.Add(nested);
                return true;
            } else if (o is string) {
                return this.Add(new ListItem((string) o));
            }
            return false;
        }
    }
}