001/* 002 * $Id: RomanList.java 4885 2011-05-29 13:49:53Z blowagie $ 003 * 004 * This file is part of the iText (R) project. 005 * Copyright (c) 1998-2011 1T3XT BVBA 006 * Authors: Bruno Lowagie, Paulo Soares, et al. 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Affero General Public License version 3 010 * as published by the Free Software Foundation with the addition of the 011 * following permission added to Section 15 as permitted in Section 7(a): 012 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT, 013 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 014 * 015 * This program is distributed in the hope that it will be useful, but 016 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 017 * or FITNESS FOR A PARTICULAR PURPOSE. 018 * See the GNU Affero General Public License for more details. 019 * You should have received a copy of the GNU Affero General Public License 020 * along with this program; if not, see http://www.gnu.org/licenses or write to 021 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 022 * Boston, MA, 02110-1301 USA, or download the license from the following URL: 023 * http://itextpdf.com/terms-of-use/ 024 * 025 * The interactive user interfaces in modified source and object code versions 026 * of this program must display Appropriate Legal Notices, as required under 027 * Section 5 of the GNU Affero General Public License. 028 * 029 * In accordance with Section 7(b) of the GNU Affero General Public License, 030 * a covered work must retain the producer line in every PDF that is created 031 * or manipulated using iText. 032 * 033 * You can be released from the requirements of the license by purchasing 034 * a commercial license. Buying such a license is mandatory as soon as you 035 * develop commercial activities involving the iText software without 036 * disclosing the source code of your own applications. 037 * These activities include: offering paid services to customers as an ASP, 038 * serving PDFs on the fly in a web application, shipping iText with a closed 039 * source product. 040 * 041 * For more information, please contact iText Software Corp. at this 042 * address: sales@itextpdf.com 043 */ 044package com.itextpdf.text; 045 046import com.itextpdf.text.factories.RomanNumberFactory; 047 048/** 049 * 050 * A special-version of <CODE>LIST</CODE> which use roman-letters. 051 * 052 * @see com.itextpdf.text.List 053 */ 054 055public class RomanList extends List { 056 057// constructors 058 059 /** 060 * Initialization 061 */ 062 public RomanList() { 063 super(true); 064 } 065 066 /** 067 * Initialization 068 * 069 * @param symbolIndent indent 070 */ 071 public RomanList(int symbolIndent) { 072 super(true, symbolIndent); 073 } 074 075 /** 076 * Initialization 077 * @param lowercase roman-char in lowercase 078 * @param symbolIndent indent 079 */ 080 public RomanList(boolean lowercase, int symbolIndent) { 081 super(true, symbolIndent); 082 this.lowercase = lowercase; 083 } 084 085// overridden method 086 087 /** 088 * Adds an <CODE>Element</CODE> to the <CODE>List</CODE>. 089 * 090 * @param o the object to add. 091 * @return true if adding the object succeeded 092 */ 093 @Override 094 public boolean add(Element o) { 095 if (o instanceof ListItem) { 096 ListItem item = (ListItem) o; 097 Chunk chunk; 098 chunk = new Chunk(preSymbol, symbol.getFont()); 099 chunk.setAttributes(symbol.getAttributes()); 100 chunk.append(RomanNumberFactory.getString(first + list.size(), lowercase)); 101 chunk.append(postSymbol); 102 item.setListSymbol(chunk); 103 item.setIndentationLeft(symbolIndent, autoindent); 104 item.setIndentationRight(0); 105 list.add(item); 106 } else if (o instanceof List) { 107 List nested = (List) o; 108 nested.setIndentationLeft(nested.getIndentationLeft() + symbolIndent); 109 first--; 110 return list.add(nested); 111 } 112 return false; 113 } 114 115}