757 lines
26 KiB
C#
757 lines
26 KiB
C#
using System;
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using System.Text;
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using System.Collections;
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using System.util;
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using iTextSharp.text.factories;
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/*
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* $Id: Section.cs,v 1.17 2008/05/13 11:25:13 psoares33 Exp $
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*
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*
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* Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text {
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/// <summary>
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/// A Section is a part of a Document containing
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/// other Sections, Paragraphs, List
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/// and/or Tables.
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/// </summary>
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/// <remarks>
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/// You can not construct a Section yourself.
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/// You will have to ask an instance of Section to the
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/// Chapter or Section to which you want to
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/// add the new Section.
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/// </remarks>
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/// <example>
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/// <code>
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/// Paragraph title2 = new Paragraph("This is Chapter 2", FontFactory.GetFont(FontFactory.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0, 255)));
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/// Chapter chapter2 = new Chapter(title2, 2);
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/// Paragraph someText = new Paragraph("This is some text");
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/// chapter2.Add(someText);
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/// Paragraph title21 = new Paragraph("This is Section 1 in Chapter 2", FontFactory.GetFont(FontFactory.HELVETICA, 16, Font.BOLD, new Color(255, 0, 0)));
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/// <strong>Section section1 = chapter2.AddSection(title21);</strong>
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/// 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.");
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/// <strong>section1.Add(someSectionText);</strong>
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/// Paragraph title211 = new Paragraph("This is SubSection 1 in Section 1 in Chapter 2", FontFactory.GetFont(FontFactory.HELVETICA, 14, Font.BOLD, new Color(255, 0, 0)));
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/// <strong>Section section11 = section1.AddSection(40, title211, 2);
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/// section11.Add(someSectionText);</strong>strong>
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/// </code>
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/// </example>
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public class Section : ArrayList, ITextElementArray, ILargeElement {
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// constant
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/**
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* A possible number style. The default number style: "1.2.3."
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* @since iText 2.0.8
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*/
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public const int NUMBERSTYLE_DOTTED = 0;
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/**
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* A possible number style. For instance: "1.2.3"
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* @since iText 2.0.8
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*/
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public const int NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT = 1;
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// membervariables
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///<summary> This is the title of this section. </summary>
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protected Paragraph title;
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///<summary> This is the number of sectionnumbers that has to be shown before the section title. </summary>
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protected int numberDepth;
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/**
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* The style for sectionnumbers.
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* @since iText 2.0.8
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*/
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protected int numberStyle = NUMBERSTYLE_DOTTED;
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///<summary> The indentation of this section on the left side. </summary>
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protected float indentationLeft;
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///<summary> The indentation of this section on the right side. </summary>
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protected float indentationRight;
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///<summary> The additional indentation of the content of this section. </summary>
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protected float indentation;
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///<summary> This is the number of subsections. </summary>
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protected int subsections = 0;
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///<summary> This is the complete list of sectionnumbers of this section and the parents of this section. </summary>
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protected internal ArrayList numbers = null;
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/**
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* Indicates if the Section will be complete once added to the document.
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* @since iText 2.0.8
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*/
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protected bool complete = true;
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/**
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* Indicates if the Section was added completely to the document.
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* @since iText 2.0.8
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*/
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protected bool addedCompletely = false;
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/**
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* Indicates if this is the first time the section was added.
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* @since iText 2.0.8
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*/
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protected bool notAddedYet = true;
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///<summary> false if the bookmark children are not visible </summary>
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protected bool bookmarkOpen = true;
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/** true if the section has to trigger a new page */
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protected bool triggerNewPage = false;
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/** The bookmark title if different from the content title */
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protected string bookmarkTitle;
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// constructors
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/// <summary>
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/// Constructs a new Section.
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/// </summary>
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/// <overloads>
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/// Has 2 overloads.
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/// </overloads>
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protected internal Section() {
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title = new Paragraph();
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numberDepth = 1;
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}
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/// <summary>
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/// Constructs a new Section.
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/// </summary>
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/// <param name="title">a Paragraph</param>
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/// <param name="numberDepth">the numberDepth</param>
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protected internal Section(Paragraph title, int numberDepth) {
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this.numberDepth = numberDepth;
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this.title = title;
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}
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// private methods
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/// <summary>
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/// Sets the number of this section.
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/// </summary>
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/// <param name="number">the number of this section</param>
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/// <param name="numbers">an ArrayList, containing the numbers of the Parent</param>
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private void SetNumbers(int number, ArrayList numbers) {
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this.numbers = new ArrayList();
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this.numbers.Add(number);
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this.numbers.AddRange(numbers);
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}
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// implementation of the Element-methods
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/// <summary>
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/// Processes the element by adding it (or the different parts) to an
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/// IElementListener.
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/// </summary>
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/// <param name="listener">the IElementListener</param>
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/// <returns>true if the element was processed successfully</returns>
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public bool Process(IElementListener listener) {
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try {
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foreach (IElement ele in this) {
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listener.Add(ele);
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}
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return true;
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}
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catch (DocumentException) {
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return false;
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}
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}
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/// <summary>
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/// Gets the type of the text element.
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/// </summary>
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/// <value>a type</value>
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public virtual int Type {
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get {
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return Element.SECTION;
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}
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}
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/// <summary>
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/// Gets all the chunks in this element.
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/// </summary>
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/// <value>an ArrayList</value>
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public ArrayList Chunks {
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get {
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ArrayList tmp = new ArrayList();
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foreach (IElement ele in this) {
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tmp.AddRange(ele.Chunks);
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}
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return tmp;
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}
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}
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/**
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* @see com.lowagie.text.Element#isContent()
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* @since iText 2.0.8
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*/
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public bool IsContent() {
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return true;
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}
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/**
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* @see com.lowagie.text.Element#isNestable()
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* @since iText 2.0.8
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*/
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public virtual bool IsNestable() {
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return false;
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}
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// overriding some of the ArrayList-methods
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/// <summary>
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/// Adds a Paragraph, List or Table
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/// to this Section.
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/// </summary>
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/// <param name="index">index at which the specified element is to be inserted</param>
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/// <param name="o">an object of type Paragraph, List or Table</param>
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public void Add(int index, Object o) {
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if (AddedCompletely) {
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throw new InvalidOperationException("This LargeElement has already been added to the Document.");
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}
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try {
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IElement element = (IElement) o;
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if (element.IsNestable()) {
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base.Insert(index, element);
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}
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else {
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throw new Exception(element.Type.ToString());
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}
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}
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catch (Exception cce) {
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throw new Exception("Insertion of illegal Element: " + cce.Message);
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}
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}
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/// <summary>
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/// Adds a Paragraph, List, Table or another Section
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/// to this Section.
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/// </summary>
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/// <param name="o">an object of type Paragraph, List, Table or another Section</param>
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/// <returns>a bool</returns>
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public new bool Add(Object o) {
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try {
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IElement element = (IElement) o;
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if (element.Type == Element.SECTION) {
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Section section = (Section) o;
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section.SetNumbers(++subsections, numbers);
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base.Add(section);
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return true;
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}
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else if (o is MarkedSection && ((MarkedObject)o).element.Type == Element.SECTION) {
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MarkedSection mo = (MarkedSection)o;
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Section section = (Section)(mo.element);
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section.SetNumbers(++subsections, numbers);
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base.Add(mo);
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return true;
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}
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else if (element.IsNestable()) {
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base.Add(o);
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return true;
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}
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else {
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throw new Exception(element.Type.ToString());
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}
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}
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catch (Exception cce) {
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throw new Exception("Insertion of illegal Element: " + cce.Message);
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}
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}
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/// <summary>
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/// Adds a collection of Elements
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/// to this Section.
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/// </summary>
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/// <param name="collection">a collection of Paragraphs, Lists and/or Tables</param>
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/// <returns>true if the action succeeded, false if not.</returns>
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public bool AddAll(ICollection collection) {
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foreach (object itm in collection) {
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this.Add(itm);
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}
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return true;
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}
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// methods that return a Section
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/// <summary>
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/// Creates a Section, adds it to this Section and returns it.
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/// </summary>
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/// <param name="indentation">the indentation of the new section</param>
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/// <param name="title">the title of the new section</param>
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/// <param name="numberDepth">the numberDepth of the section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(float indentation, Paragraph title, int numberDepth) {
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if (AddedCompletely) {
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throw new InvalidOperationException("This LargeElement has already been added to the Document.");
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}
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Section section = new Section(title, numberDepth);
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section.Indentation = indentation;
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Add(section);
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return section;
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}
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/// <summary>
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/// Creates a Section, adds it to this Section and returns it.
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/// </summary>
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/// <param name="indentation">the indentation of the new section</param>
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/// <param name="title">the title of the new section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(float indentation, Paragraph title) {
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return AddSection(indentation, title, numberDepth + 1);
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}
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/// <summary>
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/// Creates a Section, add it to this Section and returns it.
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/// </summary>
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/// <param name="title">the title of the new section</param>
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/// <param name="numberDepth">the numberDepth of the section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(Paragraph title, int numberDepth) {
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return AddSection(0, title, numberDepth);
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}
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/**
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* Adds a marked section. For use in class MarkedSection only!
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*/
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public MarkedSection AddMarkedSection() {
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MarkedSection section = new MarkedSection(new Section(null, numberDepth + 1));
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Add(section);
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return section;
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}
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/// <summary>
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/// Creates a Section, adds it to this Section and returns it.
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/// </summary>
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/// <param name="title">the title of the new section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(Paragraph title) {
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return AddSection(0, title, numberDepth + 1);
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}
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/**
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* Adds a Section to this Section and returns it.
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*
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* @param indentation the indentation of the new section
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* @param title the title of the new section
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* @param numberDepth the numberDepth of the section
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*/
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/// <summary>
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/// Adds a Section to this Section and returns it.
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/// </summary>
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/// <param name="indentation">the indentation of the new section</param>
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/// <param name="title">the title of the new section</param>
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/// <param name="numberDepth">the numberDepth of the section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(float indentation, string title, int numberDepth) {
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return AddSection(indentation, new Paragraph(title), numberDepth);
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}
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/**
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* Adds a Section to this Section and returns it.
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*
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* @param title the title of the new section
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* @param numberDepth the numberDepth of the section
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*/
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/// <summary>
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/// Adds a Section to this Section and returns it.
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/// </summary>
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/// <param name="title">the title of the new section</param>
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/// <param name="numberDepth">the numberDepth of the section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(string title, int numberDepth) {
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return AddSection(new Paragraph(title), numberDepth);
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}
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/// <summary>
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/// Adds a Section to this Section and returns it.
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/// </summary>
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/// <param name="indentation">the indentation of the new section</param>
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/// <param name="title">the title of the new section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(float indentation, string title) {
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return AddSection(indentation, new Paragraph(title));
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}
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/// <summary>
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/// Adds a Section to this Section and returns it.
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/// </summary>
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/// <param name="title">the title of the new section</param>
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/// <returns>the newly added Section</returns>
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public virtual Section AddSection(string title) {
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return AddSection(new Paragraph(title));
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}
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// public methods
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/// <summary>
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/// Alters the attributes of this Section.
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/// </summary>
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/// <param name="attributes">the attributes</param>
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public void Set(Properties attributes) {
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string value;
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if ((value = attributes.Remove(ElementTags.NUMBERDEPTH)) != null) {
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NumberDepth = int.Parse(value);
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}
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if ((value = attributes.Remove(ElementTags.INDENT)) != null) {
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Indentation = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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}
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if ((value = attributes.Remove(ElementTags.INDENTATIONLEFT)) != null) {
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IndentationLeft = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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}
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if ((value = attributes.Remove(ElementTags.INDENTATIONRIGHT)) != null) {
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IndentationRight = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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}
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}
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/// <summary>
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/// Get/set the title of this section
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/// </summary>
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/// <value>a Paragraph</value>
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public Paragraph Title {
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get {
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return ConstructTitle(title, numbers, numberDepth, numberStyle);
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}
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set {
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this.title = value;
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}
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}
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/**
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* Sets the style for numbering sections.
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* Possible values are NUMBERSTYLE_DOTTED: 1.2.3. (the default)
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* or NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT: 1.2.3
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* @since iText 2.0.8
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*/
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public int NumberStyle {
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set {
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numberStyle = value;
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}
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get {
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return numberStyle;
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}
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}
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/**
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* Constructs a Paragraph that will be used as title for a Section or Chapter.
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* @param title the title of the section
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* @param numbers a list of sectionnumbers
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* @param numberDepth how many numbers have to be shown
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* @param numberStyle the numbering style
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* @return a Paragraph object
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* @since iText 2.0.8
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*/
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public static Paragraph ConstructTitle(Paragraph title, ArrayList numbers, int numberDepth, int numberStyle) {
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if (title == null) {
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return null;
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}
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int depth = Math.Min(numbers.Count, numberDepth);
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if (depth < 1) {
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return title;
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}
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StringBuilder buf = new StringBuilder(" ");
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for (int i = 0; i < depth; i++) {
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buf.Insert(0, ".");
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buf.Insert(0, (int)numbers[i]);
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}
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if (numberStyle == NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT) {
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buf.Remove(buf.Length - 2, 1);
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}
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Paragraph result = new Paragraph(title);
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result.Insert(0, new Chunk(buf.ToString(), title.Font));
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return result;
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}
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// methods to retrieve information
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/// <summary>
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/// Checks if this object is a Chapter.
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/// </summary>
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/// <returns>
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/// true if it is a Chapter,
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/// false if it is a Section
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|
/// </returns>
|
|
public bool IsChapter() {
|
|
return Type == Element.CHAPTER;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if this object is a Section.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// true if it is a Section,
|
|
/// false if it is a Chapter.
|
|
/// </returns>
|
|
public bool IsSection() {
|
|
return Type == Element.SECTION;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get/set the numberdepth of this Section.
|
|
/// </summary>
|
|
/// <value>a int</value>
|
|
public int NumberDepth {
|
|
get {
|
|
return numberDepth;
|
|
}
|
|
|
|
set {
|
|
this.numberDepth = value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get/set the indentation of this Section on the left side.
|
|
/// </summary>
|
|
/// <value>the indentation</value>
|
|
public float IndentationLeft {
|
|
get {
|
|
return indentationLeft;
|
|
}
|
|
|
|
set {
|
|
indentationLeft = value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get/set the indentation of this Section on the right side.
|
|
/// </summary>
|
|
/// <value>the indentation</value>
|
|
public float IndentationRight {
|
|
get {
|
|
return indentationRight;
|
|
}
|
|
|
|
set {
|
|
indentationRight = value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get/set the indentation of the content of this Section.
|
|
/// </summary>
|
|
/// <value>the indentation</value>
|
|
public float Indentation {
|
|
get {
|
|
return indentation;
|
|
}
|
|
|
|
set {
|
|
indentation = value;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the depth of this section.
|
|
/// </summary>
|
|
/// <value>the depth</value>
|
|
public int Depth {
|
|
get {
|
|
return numbers.Count;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if a given tag corresponds with a title tag for this object.
|
|
/// </summary>
|
|
/// <param name="tag">the given tag</param>
|
|
/// <returns>true if the tag corresponds</returns>
|
|
public static bool IsTitle(string tag) {
|
|
return ElementTags.TITLE.Equals(tag);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if a given tag corresponds with this object.
|
|
/// </summary>
|
|
/// <param name="tag">the given tag</param>
|
|
/// <returns>true if the tag corresponds</returns>
|
|
public static bool IsTag(string tag) {
|
|
return ElementTags.SECTION.Equals(tag);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get/set the bookmark
|
|
/// </summary>
|
|
/// <value>a bool</value>
|
|
public bool BookmarkOpen {
|
|
get {
|
|
return bookmarkOpen;
|
|
}
|
|
|
|
set {
|
|
this.bookmarkOpen = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the bookmark title.
|
|
* @return the bookmark title
|
|
*/
|
|
public Paragraph GetBookmarkTitle() {
|
|
if (bookmarkTitle == null)
|
|
return Title;
|
|
else
|
|
return new Paragraph(bookmarkTitle);
|
|
}
|
|
|
|
/**
|
|
* Sets the bookmark title. The bookmark title is the same as the section title but
|
|
* can be changed with this method.
|
|
* @param bookmarkTitle the bookmark title
|
|
*/
|
|
public String BookmarkTitle {
|
|
set {
|
|
this.bookmarkTitle = value;
|
|
}
|
|
}
|
|
|
|
public override string ToString() {
|
|
return base.ToString();
|
|
}
|
|
|
|
public virtual bool TriggerNewPage {
|
|
get {
|
|
return triggerNewPage && notAddedYet;
|
|
}
|
|
set {
|
|
triggerNewPage = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Changes the Chapter number.
|
|
*/
|
|
public void SetChapterNumber(int number) {
|
|
numbers[numbers.Count - 1] = number;
|
|
foreach (Object s in this) {
|
|
if (s is Section) {
|
|
((Section)s).SetChapterNumber(number);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Indicates if this is the first time the section is added.
|
|
* @since iText2.0.8
|
|
* @return true if the section wasn't added yet
|
|
*/
|
|
public bool NotAddedYet {
|
|
get {
|
|
return notAddedYet;
|
|
}
|
|
set {
|
|
notAddedYet = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.LargeElement#isAddedCompletely()
|
|
* @since iText 2.0.8
|
|
*/
|
|
protected bool AddedCompletely {
|
|
get {
|
|
return addedCompletely;
|
|
}
|
|
set {
|
|
addedCompletely = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @since iText 2.0.8
|
|
* @see com.lowagie.text.LargeElement#flushContent()
|
|
*/
|
|
public void FlushContent() {
|
|
NotAddedYet = false;
|
|
title = null;
|
|
for (int k = 0; k < Count; ++k) {
|
|
IElement element = (IElement)this[k];
|
|
if (element is Section) {
|
|
Section s = (Section)element;
|
|
if (!s.ElementComplete && Count == 1) {
|
|
s.FlushContent();
|
|
return;
|
|
}
|
|
else {
|
|
s.AddedCompletely = true;
|
|
}
|
|
}
|
|
this.RemoveAt(k);
|
|
--k;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @since iText 2.0.8
|
|
* @see com.lowagie.text.LargeElement#isComplete()
|
|
*/
|
|
public bool ElementComplete {
|
|
get {
|
|
return complete;
|
|
}
|
|
set {
|
|
complete = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a new page to the section.
|
|
* @since 2.1.1
|
|
*/
|
|
public void NewPage() {
|
|
this.Add(Chunk.NEXTPAGE);
|
|
}
|
|
}
|
|
}
|