com.itextpdf.text.ChapterAutoNumber Maven / Gradle / Ivy
/*
* $Id: fafca9095e6b7ecb5d2efebe641286eae797bc62 $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 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
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* 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
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* Section 5 of the GNU Affero General Public License.
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* or manipulated using iText.
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package com.itextpdf.text;
import com.itextpdf.text.error_messages.MessageLocalization;
/**
* Chapter with auto numbering.
*
* @author Michael Niedermair
*/
public class ChapterAutoNumber extends Chapter {
// constant
private static final long serialVersionUID = -9217457637987854167L;
/**
* Is the chapter number already set?
* @since 2.1.4
*/
protected boolean numberSet = false;
/**
* Create a new object.
*
* @param para the Chapter title (as a Paragraph)
*/
public ChapterAutoNumber(final Paragraph para) {
super(para, 0);
}
/**
* Create a new object.
*
* @param title the Chapter title (as a String)
*/
public ChapterAutoNumber(final String title) {
super(title, 0);
}
/**
* Create a new section for this chapter and ad it.
*
* @param title the Section title (as a String)
* @return Returns the new section.
*/
@Override
public Section addSection(final String title) {
if (isAddedCompletely()) {
throw new IllegalStateException(MessageLocalization.getComposedMessage("this.largeelement.has.already.been.added.to.the.document"));
}
return addSection(title, 2);
}
/**
* Create a new section for this chapter and add it.
*
* @param title the Section title (as a Paragraph)
* @return Returns the new section.
*/
@Override
public Section addSection(final Paragraph title) {
if (isAddedCompletely()) {
throw new IllegalStateException(MessageLocalization.getComposedMessage("this.largeelement.has.already.been.added.to.the.document"));
}
return addSection(title, 2);
}
/**
* Changes the Chapter number.
* @param number the new chapter number
* @return possibly increased number if the chapternumber was already set.
* @since 2.1.4
*/
public int setAutomaticNumber(int number) {
if (!numberSet) {
number++;
super.setChapterNumber(number);
numberSet = true;
}
return number;
}
}