itextpdf-master/itext/src/main/java/com/itextpdf/text/Chapter.java
/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2022 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.
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 * address: sales@itextpdf.com
 */
package com.itextpdf.text;

import com.itextpdf.text.pdf.interfaces.IAccessibleElement;

import java.util.ArrayList;

/**
 * A <CODE>Chapter</CODE> is a special <CODE>Section</CODE>.
 * <P>
 * A chapter number has to be created using a <CODE>Paragraph</CODE> as title
 * and an <CODE>int</CODE> as chapter number. The chapter number is shown by
 * default. If you don't want to see the chapter number, you have to set the
 * numberdepth to <VAR>0</VAR>.
 * <P>
 * Example:
 * <BLOCKQUOTE><PRE>
 * Paragraph title2 = new Paragraph("This is Chapter 2", FontFactory.getFont(FontFactory.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0, 255)));
 * <STRONG>Chapter chapter2 = new Chapter(title2, 2);</STRONG>
 * <STRONG>chapter2.setNumberDepth(0);</STRONG>
 * Paragraph someText = new Paragraph("This is some text");
 * <STRONG>chapter2.add(someText);</STRONG>
 * Paragraph title21 = new Paragraph("This is Section 1 in Chapter 2", FontFactory.getFont(FontFactory.HELVETICA, 16, Font.BOLD, new Color(255, 0, 0)));
 * Section section1 = <STRONG>chapter2.addSection(title21);</STRONG>
 * Paragraph someSectionText = new Paragraph("This is some silly paragraph in a chapter and/or section. It contains some text to test the functionality of Chapters and Section.");
 * section1.add(someSectionText);
 * </PRE></BLOCKQUOTE>
 */

public class Chapter extends Section {

    // constant
	private static final long serialVersionUID = 1791000695779357361L;

	/**
	 * Constructs a new <CODE>Chapter</CODE>.
	 * @param	number		the Chapter number
     */
    public Chapter(int number) {
        super(null, 1);
        numbers = new ArrayList<Integer>();
        numbers.add(Integer.valueOf(number));
        triggerNewPage = true;
    }

	/**
	 * Constructs a new <CODE>Chapter</CODE>.
	 *
	 * @param	title		the Chapter title (as a <CODE>Paragraph</CODE>)
	 * @param	number		the Chapter number
     */

    public Chapter(Paragraph title, int number) {
        super(title, 1);
        numbers = new ArrayList<Integer>();
        numbers.add(Integer.valueOf(number));
        triggerNewPage = true;
    }

    /**
     * Constructs a new <CODE>Chapter</CODE>.
     *
     * @param	title		the Chapter title (as a <CODE>String</CODE>)
     * @param	number		the Chapter number
     */
    public Chapter(String title, int number) {
        this(new Paragraph(title), number);
    }

    // implementation of the Element-methods

    /**
     * Gets the type of the text element.
     *
     * @return	a type
     */
    @Override
    public int type() {
        return Element.CHAPTER;
    }

	/**
	 * @see com.itextpdf.text.Element#isNestable()
	 * @since	iText 2.0.8
	 */
	@Override
    public boolean isNestable() {
		return false;
	}

}
