com.itextpdf.text.RomanList.java Source code

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Here is the source code for com.itextpdf.text.RomanList.java

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/*
 *
 * This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
 * 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
 * ITEXT GROUP. ITEXT GROUP 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: sales@itextpdf.com
 */
package com.itextpdf.text;

import com.itextpdf.text.factories.RomanNumberFactory;

/**
 *
 * A special-version of <CODE>LIST</CODE> which use roman-letters.
 *
 * @see com.itextpdf.text.List
 */

public class RomanList extends List {

    // constructors

    /**
     * Initialization
     */
    public RomanList() {
        super(true);
    }

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

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

    // overridden method

    /**
     * Adds an <CODE>Element</CODE> to the <CODE>List</CODE>.
     *
     * @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;
            chunk = new Chunk(preSymbol, symbol.getFont());
            chunk.setAttributes(symbol.getAttributes());
            chunk.append(RomanNumberFactory.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;
    }

    @Override
    public List cloneShallow() {
        RomanList clone = new RomanList();
        populateProperties(clone);
        return clone;
    }
}