/* * $Id: Section.java,v 1.53 2002/07/09 10:41:40 blowagie Exp $ * $Name:  $ * * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie. * * The contents of this file are subject to the Mozilla Public License Version 1.1 * (the "License"); you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the License. * * The Original Code is 'iText, a free JAVA-PDF library'. * * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie. * All Rights Reserved. * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved. * * Contributor(s): all the names of the contributors are added in the source code * where applicable. * * Alternatively, the contents of this file may be used under the terms of the * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the * provisions of LGPL are applicable instead of those above.  If you wish to * allow use of your version of this file only under the terms of the LGPL * License and not to allow others to use your version of this file under * the MPL, indicate your decision by deleting the provisions above and * replace them with the notice and other provisions required by the LGPL. * If you do not delete the provisions above, a recipient may use your version * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. * * This library is free software; you can redistribute it and/or modify it * under the terms of the MPL as stated above or under the terms of the GNU * Library General Public License as published by the Free Software Foundation; * either version 2 of the License, or any later version. * * This library 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 Library general Public License for more * details. * * If you didn't download this code from the following link, you should check if * you aren't using an obsolete version: * http://www.lowagie.com/iText/ */package com.lowagie.text;import java.util.ArrayList;import java.util.Collection;import java.util.Iterator;import java.util.Properties;/** * A <CODE>Section</CODE> is a part of a <CODE>Document</CODE> containing * other <CODE>Section</CODE>s, <CODE>Paragraph</CODE>s, <CODE>List</CODE> * and/or <CODE>Table</CODE>s. * <P> * Remark: you can not construct a <CODE>Section</CODE> yourself. * You will have to ask an instance of <CODE>Section</CODE> to the * <CODE>Chapter</CODE> or <CODE>Section</CODE> to which you want to * add the new <CODE>Section</CODE>. * <P> * Example: * <BLOCKQUOTE><PRE> * Paragraph title2 = new Paragraph("This is Chapter 2", FontFactory.getFont(FontFactory.HELVETICA, 18, Font.BOLDITALIC, new Color(0, 0, 255))); * Chapter chapter2 = new Chapter(title2, 2); * Paragraph someText = new Paragraph("This is some text"); * chapter2.add(someText); * Paragraph title21 = new Paragraph("This is Section 1 in Chapter 2", FontFactory.getFont(FontFactory.HELVETICA, 16, Font.BOLD, new Color(255, 0, 0))); * <STRONG>Section section1 = 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."); * <STRONG>section1.add(someSectionText);</STRONG> * 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))); * <STRONG>Section section11 = section1.addSection(40, title211, 2);<STRONG> * <STRONG>section11.add(someSectionText);<STRONG> * </PRE></BLOCKQUOTE> */public class Section extends ArrayList implements TextElementArray {        // membervariables    /** This is the title of this section. */    protected Paragraph title;    /** This is the number of sectionnumbers that has to be shown before the section title. */    protected int numberDepth;    /** The indentation of this section on the left side. */    protected float indentationLeft;    /** The indentation of this section on the right side. */    protected float indentationRight;    /** The additional indentation of the content of this section. */    protected float sectionIndent;    /** This is the number of subsections. */    protected int subsections = 0;    /** This is the complete list of sectionnumbers of this section and the parents of this section. */    protected ArrayList numbers = null;        /** false if the bookmark children are not visible */    protected boolean bookmarkOpen = true;        // constructors    /** * Constructs a new <CODE>Section</CODE>. */        protected Section() {        title = new Paragraph();        numberDepth = 1;    }    /** * Constructs a new <CODE>Section</CODE>. * * @param	title			a <CODE>Paragraph</CODE> * @param	numberDepth		the numberDepth */        Section(Paragraph title, int numberDepth) {        this.numberDepth = numberDepth;        this.title = title;    }        // private methods    /** * Sets the number of this section. * * @param	number		the number of this section * @param	numbers		an <CODE>ArrayList</CODE>, containing the numbers of the Parent */        private void setNumbers(int number, ArrayList numbers) {        this.numbers = new ArrayList();        this.numbers.add(new Integer(number));        this.numbers.addAll(numbers);    }        // implementation of the Element-methods    /** * Processes the element by adding it (or the different parts) to an * <CODE>ElementListener</CODE>. * * @param	listener		the <CODE>ElementListener</CODE> * @return	<CODE>true</CODE> if the element was processed successfully */        public boolean process(ElementListener listener) {        try {            for (Iterator i = iterator(); i.hasNext(); ) {                listener.add((Element) i.next());            }            return true;        }        catch(DocumentException de) {            return false;        }    }    /** * Gets the type of the text element. * * @return	a type */        public int type() {        return Element.SECTION;    }    /** * Gets all the chunks in this element. * * @return	an <CODE>ArrayList</CODE> */        public ArrayList getChunks() {        ArrayList tmp = new ArrayList();        for (Iterator i = iterator(); i.hasNext(); ) {            tmp.addAll(((Element) i.next()).getChunks());        }        return tmp;    }        // overriding some of the ArrayList-methods    /** * Adds a <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE> * to this <CODE>Section</CODE>. * * @param	index	index at which the specified element is to be inserted * @param	o   	an object of type <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE>= * @throws	ClassCastException if the object is not a <CODE>Paragraph</CODE>, <CODE>List</CODE> or <CODE>Table</CODE> */        public void add(int index, Object o) {        try {            Element element = (Element) o;            if (element.type() == Element.PARAGRAPH ||            element.type() == Element.LIST ||            element.type() == Element.CHUNK ||            element.type() == Element.PHRASE ||            element.type() == Element.ANCHOR ||            element.type() == Element.ANNOTATION ||            element.type() == Element.TABLE ||            element.type() == Element.PTABLE ||            element.type() == Element.IMGTEMPLATE ||            element.type() == Element.GIF ||            element.type() == Element.JPEG ||            element.type() == Element.PNG ||            element.type() == Element.IMGRAW) {                super.add(index, element);            }            else {                throw new ClassCastException(String.valueOf(element.type()));            }        }        catch(ClassCastException cce) {            throw new ClassCastException("Insertion of illegal Element: " + cce.getMessage());        }    }    /** * Adds a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or another <CODE>Section</CODE> * to this <CODE>Section</CODE>. * * @param	o   	an object of type <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or another <CODE>Section</CODE> * @return	a boolean * @throws	ClassCastException if the object is not a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> or <CODE>Section</CODE> */        public boolean add(Object o) {        try {            Element element = (Element) o;            if (element.type() == Element.PARAGRAPH ||            element.type() == Element.LIST ||            element.type() == Element.CHUNK ||            element.type() == Element.PHRASE ||            element.type() == Element.ANCHOR ||            element.type() == Element.ANNOTATION ||            element.type() == Element.TABLE ||            element.type() == Element.IMGTEMPLATE ||            element.type() == Element.PTABLE ||            element.type() == Element.GIF ||            element.type() == Element.JPEG ||            element.type() == Element.PNG ||            element.type() == Element.IMGRAW) {                return super.add(o);            }            else if (element.type() == Element.SECTION) {                Section section = (Section) o;                section.setNumbers(++subsections, numbers);                return super.add(section);            }            else {                throw new ClassCastException(String.valueOf(element.type()));            }        }        catch(ClassCastException cce) {            throw new ClassCastException("Insertion of illegal Element: " + cce.getMessage());        }    }    /** * Adds a collection of <CODE>Element</CODE>s * to this <CODE>Section</CODE>. * * @param	collection	a collection of <CODE>Paragraph</CODE>s, <CODE>List</CODE>s and/or <CODE>Table</CODE>s * @return	<CODE>true</CODE> if the action succeeded, <CODE>false</CODE> if not. * @throws	ClassCastException if one of the objects isn't a <CODE>Paragraph</CODE>, <CODE>List</CODE>, <CODE>Table</CODE> */        public boolean addAll(Collection collection) {        for (Iterator iterator = collection.iterator(); iterator.hasNext(); ) {            this.add(iterator.next());        }        return true;    }        // methods that return a Section    /** * Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it. * * @param	indentation	the indentation of the new section * @param	title		the title of the new section * @param	numberDepth	the numberDepth of the section */        public Section addSection(float indentation, Paragraph title, int numberDepth) {        Section section = new Section(title, numberDepth);        section.setIndentation(indentation);        add(section);        return section;    }    /** * Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it. * * @param	indentation	the indentation of the new section * @param	title		the title of the new section */        public Section addSection(float indentation, Paragraph title) {        Section section = new Section(title, 1);        section.setIndentation(indentation);