001/*
002 * $Id: GreekList.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.GreekAlphabetFactory;
047
048/**
049 *
050 * A special-version of <CODE>LIST</CODE> which use greek-letters.
051 *
052 * @see com.itextpdf.text.List
053 */
054
055public class GreekList extends List {
056
057// constructors
058
059        /**
060         * Initialization
061         */
062        public GreekList() {
063                super(true);
064                setGreekFont();
065        }
066        /**
067         * Initialization
068         *
069         * @param symbolIndent  indent
070         */
071        public GreekList(int symbolIndent) {
072                super(true, symbolIndent);
073                setGreekFont();
074        }
075
076        /**
077         * Initialization
078         * @param       greeklower              greek-char in lowercase
079         * @param       symbolIndent    indent
080         */
081        public GreekList(boolean greeklower, int symbolIndent) {
082                super(true, symbolIndent);
083                lowercase = greeklower;
084                setGreekFont();
085        }
086
087// helper method
088
089        /**
090         * change the font to SYMBOL
091         */
092        protected void setGreekFont() {
093                float fontsize = symbol.getFont().getSize();
094                symbol.setFont(FontFactory.getFont(FontFactory.SYMBOL, fontsize, Font.NORMAL));
095        }
096
097// overridden method
098
099        /**
100         * Adds an <CODE>Element</CODE> to the <CODE>List</CODE>.
101         *
102         * @param       o       the object to add.
103         * @return true if adding the object succeeded
104         */
105        @Override
106        public boolean add(Element o) {
107                if (o instanceof ListItem) {
108                        ListItem item = (ListItem) o;
109                        Chunk chunk = new Chunk(preSymbol, symbol.getFont());
110            chunk.setAttributes(symbol.getAttributes());
111                        chunk.append(GreekAlphabetFactory.getString(first + list.size(), lowercase));
112                        chunk.append(postSymbol);
113                        item.setListSymbol(chunk);
114                        item.setIndentationLeft(symbolIndent, autoindent);
115                        item.setIndentationRight(0);
116                        list.add(item);
117                } else if (o instanceof List) {
118                        List nested = (List) o;
119                        nested.setIndentationLeft(nested.getIndentationLeft() + symbolIndent);
120                        first--;
121                        return list.add(nested);
122                }
123                return false;
124        }
125
126}