Initial Commit

iTechSharp/iTextSharp/text/rtf/list/RtfList.cs

@@ -0,0 +1,629 @@
+using System;
+using System.IO;
+using System.Collections;
+using iTextSharp.text;
+using iTextSharp.text.rtf;
+using iTextSharp.text.rtf.document;
+using ST = iTextSharp.text.rtf.style;
+using iTextSharp.text.rtf.text;
+using iTextSharp.text.factories;
+/*
+ * $Id: RtfList.cs,v 1.18 2008/05/16 19:31:01 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002, 2003, 2004, 2005 by Mark Hall
+ *
+ * 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/
+ */
+
+namespace iTextSharp.text.rtf.list {
+
+    /**
+    * The RtfList stores one List. It also provides the methods to write the
+    * list declaration and the list data.
+    *  
+    * @version $Id: RtfList.cs,v 1.18 2008/05/16 19:31:01 psoares33 Exp $
+    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
+    * @author Thomas Bickel (tmb99@inode.at)
+    * @author Felix Satyaputra (f_satyaputra@yahoo.co.uk)
+    */
+    public class RtfList : RtfElement, IRtfExtendedElement {
+
+        /**
+        * Constant for list level
+        */
+        private static byte[] LIST_LEVEL = DocWriter.GetISOBytes("\\listlevel");
+        /**
+        * Constant for list level style old
+        */
+        private static byte[] LIST_LEVEL_TYPE = DocWriter.GetISOBytes("\\levelnfc");
+        /**
+        * Constant for list level style new
+        */
+        private static byte[] LIST_LEVEL_TYPE_NEW = DocWriter.GetISOBytes("\\levelnfcn");
+        /**
+        * Constant for list level alignment old
+        */
+        private static byte[] LIST_LEVEL_ALIGNMENT = DocWriter.GetISOBytes("\\leveljc");
+        /**
+        * Constant for list level alignment new
+        */
+        private static byte[] LIST_LEVEL_ALIGNMENT_NEW = DocWriter.GetISOBytes("\\leveljcn");
+        /**
+        * Constant for list level start at
+        */
+        private static byte[] LIST_LEVEL_START_AT = DocWriter.GetISOBytes("\\levelstartat");
+        /**
+        * Constant for list level text
+        */
+        private static byte[] LIST_LEVEL_TEXT = DocWriter.GetISOBytes("\\leveltext");
+        /**
+        * Constant for the beginning of the list level numbered style
+        */
+        private static byte[] LIST_LEVEL_STYLE_NUMBERED_BEGIN = DocWriter.GetISOBytes("\\\'02\\\'");
+        /**
+        * Constant for the end of the list level numbered style
+        */
+        private static byte[] LIST_LEVEL_STYLE_NUMBERED_END = DocWriter.GetISOBytes(".;");
+        /**
+        * Constant for the beginning of the list level bulleted style
+        */
+        private static byte[] LIST_LEVEL_STYLE_BULLETED_BEGIN = DocWriter.GetISOBytes("\\\'01");
+        /**
+        * Constant for the end of the list level bulleted style
+        */
+        private static byte[] LIST_LEVEL_STYLE_BULLETED_END = DocWriter.GetISOBytes(";");
+        /**
+        * Constant for the beginning of the list level numbers
+        */
+        private static byte[] LIST_LEVEL_NUMBERS_BEGIN = DocWriter.GetISOBytes("\\levelnumbers");
+        /**
+        * Constant for the list level numbers
+        */
+        private static byte[] LIST_LEVEL_NUMBERS_NUMBERED = DocWriter.GetISOBytes("\\\'01");
+        /**
+        * Constant for the end of the list level numbers
+        */
+        private static byte[] LIST_LEVEL_NUMBERS_END = DocWriter.GetISOBytes(";");
+        /**
+        * Constant for the first indentation
+        */
+        private static byte[] LIST_LEVEL_FIRST_INDENT = DocWriter.GetISOBytes("\\fi");
+        /**
+        * Constant for the symbol indentation
+        */
+        private static byte[] LIST_LEVEL_SYMBOL_INDENT = DocWriter.GetISOBytes("\\tx");
+        /**
+        * Constant for the list level value
+        */
+        private static byte[] LIST_LEVEL_NUMBER = DocWriter.GetISOBytes("\\ilvl");
+        /**
+        * Constant for a tab character
+        */
+        private static byte[] TAB = DocWriter.GetISOBytes("\\tab");
+        /**
+        * Constant for the old list text
+        */
+        private static byte[] LIST_TEXT = DocWriter.GetISOBytes("\\listtext");
+        /**
+        * Constant for the old list number end
+        */
+        private static byte[] LIST_NUMBER_END = DocWriter.GetISOBytes(".");
+        
+        private const int LIST_TYPE_BULLET = 0;
+        private const int LIST_TYPE_NUMBERED = 1;
+        private const int LIST_TYPE_UPPER_LETTERS = 2;
+        private const int LIST_TYPE_LOWER_LETTERS = 3;
+        private const int LIST_TYPE_UPPER_ROMAN = 4;
+        private const int LIST_TYPE_LOWER_ROMAN = 5;
+
+        /**
+        * The subitems of this RtfList
+        */
+        private ArrayList items;
+        /**
+        * The level of this RtfList
+        */
+        private int listLevel = 0;
+        /**
+        * The first indentation of this RtfList
+        */
+        private int firstIndent = 0;
+        /**
+        * The left indentation of this RtfList
+        */
+        private int leftIndent = 0;
+        /**
+        * The right indentation of this RtfList
+        */
+        private int rightIndent = 0;
+        /**
+        * The symbol indentation of this RtfList
+        */
+        private int symbolIndent = 0;
+        /**
+        * The list number of this RtfList
+        */
+        private int listNumber = 1;
+        /**
+        * Whether this RtfList is numbered
+        */
+        private int listType = LIST_TYPE_BULLET;
+        /**
+        * The number to start counting at
+        */
+        private int listStartAt = 1;
+        /**
+        * The RtfFont for numbered lists
+        */
+        private ST.RtfFont fontNumber;
+        /**
+        * The RtfFont for bulleted lists
+        */
+        private ST.RtfFont fontBullet;
+        /**
+        * The alignment of this RtfList
+        */
+        private int alignment = Element.ALIGN_LEFT;
+
+        /**
+        * The parent List in multi-level lists.
+        */
+        private RtfList parentList = null;
+        /**
+        * The text to use as the bullet character
+        */
+        private String bulletCharacter = "\u00b7"; 
+        
+        /**
+        * Constructs a new RtfList for the specified List.
+        * 
+        * @param doc The RtfDocument this RtfList belongs to
+        * @param list The List this RtfList is based on
+        */
+        public RtfList(RtfDocument doc, List list) : base(doc) {
+            
+            this.listNumber = document.GetDocumentHeader().GetListNumber(this);
+            
+            this.items = new ArrayList();
+            if (list.SymbolIndent > 0 && list.IndentationLeft > 0) {
+                this.firstIndent = (int) (list.SymbolIndent * RtfElement.TWIPS_FACTOR * -1);
+                this.leftIndent = (int) ((list.IndentationLeft + list.SymbolIndent) * RtfElement.TWIPS_FACTOR);
+            } else if (list.SymbolIndent > 0) {
+                this.firstIndent = (int) (list.SymbolIndent * RtfElement.TWIPS_FACTOR * -1);
+                this.leftIndent = (int) (list.SymbolIndent * RtfElement.TWIPS_FACTOR);
+            } else if (list.IndentationLeft > 0) {
+                this.firstIndent = 0;
+                this.leftIndent = (int) (list.IndentationLeft * RtfElement.TWIPS_FACTOR);
+            } else {
+                this.firstIndent = 0;
+                this.leftIndent = 0;
+            }
+            this.rightIndent = (int) (list.IndentationRight * RtfElement.TWIPS_FACTOR);
+            this.symbolIndent = (int) ((list.SymbolIndent + list.IndentationLeft) * RtfElement.TWIPS_FACTOR);
+            if (list is RomanList) {
+                if (list.Lowercase) {
+                    this.listType = LIST_TYPE_LOWER_ROMAN;
+                } else {
+                    this.listType = LIST_TYPE_UPPER_ROMAN;
+                }
+            } else if (list.Numbered) {
+                this.listType = LIST_TYPE_NUMBERED;
+            } else if (list.Lettered) {
+                if (list.Lowercase) {
+                    this.listType = LIST_TYPE_LOWER_LETTERS;
+                } else {
+                    this.listType = LIST_TYPE_UPPER_LETTERS;
+                }
+            }
+            this.listStartAt = list.First;
+            if(this.listStartAt < 1) {
+                this.listStartAt = 1;
+            }
+            
+            for (int i = 0; i < list.Items.Count; i++) {
+                try {
+                    IElement element = (IElement) list.Items[i];
+                    if (element.Type == Element.CHUNK) {
+                        element = new ListItem((Chunk) element);
+                    }
+                    if (element is ListItem) {
+                        this.alignment = ((ListItem) element).Alignment;
+                    }
+                    IRtfBasicElement[] rtfElements = doc.GetMapper().MapElement(element);
+                    for(int j = 0; j < rtfElements.Length; j++) {
+                        IRtfBasicElement rtfElement = rtfElements[j];
+                        if (rtfElement is RtfList) {
+                            ((RtfList) rtfElement).SetListNumber(listNumber);
+                            ((RtfList) rtfElement).SetListLevel(listLevel + 1);
+                            ((RtfList) rtfElement).SetParent(this);
+                        } else if (rtfElement is RtfListItem) {
+                            ((RtfListItem) rtfElement).SetParent(this);
+                            ((RtfListItem) rtfElement).InheritListSettings(listNumber, listLevel + 1);
+                        }
+                        items.Add(rtfElement);
+                    }
+                } catch (DocumentException ) {
+                }
+            }
+            
+            fontNumber = new ST.RtfFont(document, new Font(Font.TIMES_ROMAN, 10, Font.NORMAL, new Color(0, 0, 0)));
+            if (list.Symbol != null && list.Symbol.Font != null && !list.Symbol.Content.StartsWith("-") && list.Symbol.Content.Length > 0) {
+                // only set this to bullet symbol is not default
+                this.fontBullet = new ST.RtfFont(document, list.Symbol.Font);
+                this.bulletCharacter = list.Symbol.Content.Substring(0, 1);
+            } else {
+                this.fontBullet = new ST.RtfFont(document, new Font(Font.SYMBOL, 10, Font.NORMAL, new Color(0, 0, 0)));
+            }        
+        }
+        
+        /**
+        * Write the indentation values for this <code>RtfList</code>.
+        * 
+        * @param result The <code>OutputStream</code> to write to.
+        * @throws IOException On i/o errors.
+        */
+        private void WriteIndentation(Stream result) {
+            byte[] t;
+            result.Write(LIST_LEVEL_FIRST_INDENT, 0, LIST_LEVEL_FIRST_INDENT.Length);
+            result.Write(t = IntToByteArray(firstIndent), 0, t.Length);
+            result.Write(ST.RtfParagraphStyle.INDENT_LEFT, 0, ST.RtfParagraphStyle.INDENT_LEFT.Length);
+            result.Write(t = IntToByteArray(leftIndent), 0, t.Length);
+            result.Write(ST.RtfParagraphStyle.INDENT_RIGHT, 0, ST.RtfParagraphStyle.INDENT_RIGHT.Length);
+            result.Write(t = IntToByteArray(rightIndent), 0, t.Length);
+        }
+        
+        /**
+        * Writes the definition part of this list level
+        */
+        public virtual void WriteDefinition(Stream result) {
+            byte[] t;
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(LIST_LEVEL, 0, LIST_LEVEL.Length);
+            result.Write(LIST_LEVEL_TYPE, 0, LIST_LEVEL_TYPE.Length);
+            switch (this.listType) {
+                case LIST_TYPE_BULLET        : result.Write(t = IntToByteArray(23), 0, t.Length); break;
+                case LIST_TYPE_NUMBERED      : result.Write(t = IntToByteArray(0), 0, t.Length); break;
+                case LIST_TYPE_UPPER_LETTERS : result.Write(t = IntToByteArray(3), 0, t.Length); break;
+                case LIST_TYPE_LOWER_LETTERS : result.Write(t = IntToByteArray(4), 0, t.Length); break;
+                case LIST_TYPE_UPPER_ROMAN   : result.Write(t = IntToByteArray(1), 0, t.Length); break;
+                case LIST_TYPE_LOWER_ROMAN   : result.Write(t = IntToByteArray(2), 0, t.Length); break;
+            }
+            result.Write(LIST_LEVEL_TYPE_NEW, 0, LIST_LEVEL_TYPE_NEW.Length);
+            switch (this.listType) {
+                case LIST_TYPE_BULLET        : result.Write(t = IntToByteArray(23), 0, t.Length); break;
+                case LIST_TYPE_NUMBERED      : result.Write(t = IntToByteArray(0), 0, t.Length); break;
+                case LIST_TYPE_UPPER_LETTERS : result.Write(t = IntToByteArray(3), 0, t.Length); break;
+                case LIST_TYPE_LOWER_LETTERS : result.Write(t = IntToByteArray(4), 0, t.Length); break;
+                case LIST_TYPE_UPPER_ROMAN   : result.Write(t = IntToByteArray(1), 0, t.Length); break;
+                case LIST_TYPE_LOWER_ROMAN   : result.Write(t = IntToByteArray(2), 0, t.Length); break;
+            }
+            result.Write(LIST_LEVEL_ALIGNMENT, 0, LIST_LEVEL_ALIGNMENT.Length);
+            result.Write(t = IntToByteArray(0), 0, t.Length);
+            result.Write(LIST_LEVEL_ALIGNMENT_NEW, 0, LIST_LEVEL_ALIGNMENT_NEW.Length);
+            result.Write(t = IntToByteArray(0), 0, t.Length);
+            result.Write(LIST_LEVEL_START_AT, 0, LIST_LEVEL_START_AT.Length);
+            result.Write(t = IntToByteArray(this.listStartAt), 0, t.Length);
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(LIST_LEVEL_TEXT, 0, LIST_LEVEL_TEXT.Length);
+            if (this.listType != LIST_TYPE_BULLET) {
+                result.Write(LIST_LEVEL_STYLE_NUMBERED_BEGIN, 0, LIST_LEVEL_STYLE_NUMBERED_BEGIN.Length);
+                if (listLevel < 10) {
+                    result.Write(t = IntToByteArray(0), 0, t.Length);
+                }
+                result.Write(t = IntToByteArray(listLevel), 0, t.Length);
+                result.Write(LIST_LEVEL_STYLE_NUMBERED_END, 0, LIST_LEVEL_STYLE_NUMBERED_END.Length);
+            } else {
+                result.Write(LIST_LEVEL_STYLE_BULLETED_BEGIN, 0, LIST_LEVEL_STYLE_BULLETED_BEGIN.Length);
+                this.document.FilterSpecialChar(result, this.bulletCharacter, false, false);
+                result.Write(LIST_LEVEL_STYLE_BULLETED_END, 0, LIST_LEVEL_STYLE_BULLETED_END.Length);
+            }
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(LIST_LEVEL_NUMBERS_BEGIN, 0, LIST_LEVEL_NUMBERS_BEGIN.Length);
+            if (this.listType != LIST_TYPE_BULLET) {
+                result.Write(LIST_LEVEL_NUMBERS_NUMBERED, 0, LIST_LEVEL_NUMBERS_NUMBERED.Length);
+            }
+            result.Write(LIST_LEVEL_NUMBERS_END, 0, LIST_LEVEL_NUMBERS_END.Length);
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.Write(ST.RtfFontList.FONT_NUMBER, 0, ST.RtfFontList.FONT_NUMBER.Length);
+            if (this.listType != LIST_TYPE_BULLET) {
+                result.Write(t = IntToByteArray(fontNumber.GetFontNumber()), 0, t.Length);
+            } else {
+                result.Write(t = IntToByteArray(fontBullet.GetFontNumber()), 0, t.Length);
+            }
+            WriteIndentation(result);
+            result.Write(LIST_LEVEL_SYMBOL_INDENT, 0, LIST_LEVEL_SYMBOL_INDENT.Length);
+            result.Write(t = IntToByteArray(this.leftIndent), 0, t.Length);
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.WriteByte((byte)'\n');
+            for (int i = 0; i < items.Count; i++) {
+                RtfElement rtfElement = (RtfElement) items[i];
+                if (rtfElement is RtfList) {
+                    RtfList rl = (RtfList)rtfElement;
+                    rl.WriteDefinition(result);
+                    break;
+                } else if (rtfElement is RtfListItem) {
+                    RtfListItem rli = (RtfListItem) rtfElement;
+                    if (rli.WriteDefinition(result)) break;
+                }
+            }
+        }
+
+        /**
+        * Writes the initialisation part of the RtfList
+        * 
+        * @return A byte array containing the initialisation part
+        */
+        protected internal void WriteListBeginning(Stream result) {
+            byte[] t;
+            result.Write(RtfParagraph.PARAGRAPH_DEFAULTS, 0, RtfParagraph.PARAGRAPH_DEFAULTS.Length);
+            if (this.inTable) {
+                result.Write(RtfParagraph.IN_TABLE, 0, RtfParagraph.IN_TABLE.Length);
+            }
+            switch (this.alignment) {
+                case Element.ALIGN_LEFT:
+                    result.Write(ST.RtfParagraphStyle.ALIGN_LEFT, 0, ST.RtfParagraphStyle.ALIGN_LEFT.Length);
+                    break;
+                case Element.ALIGN_RIGHT:
+                    result.Write(ST.RtfParagraphStyle.ALIGN_RIGHT, 0, ST.RtfParagraphStyle.ALIGN_RIGHT.Length);
+                    break;
+                case Element.ALIGN_CENTER:
+                    result.Write(ST.RtfParagraphStyle.ALIGN_CENTER, 0, ST.RtfParagraphStyle.ALIGN_CENTER.Length);
+                    break;
+                case Element.ALIGN_JUSTIFIED:
+                case Element.ALIGN_JUSTIFIED_ALL:
+                    result.Write(ST.RtfParagraphStyle.ALIGN_JUSTIFY, 0, ST.RtfParagraphStyle.ALIGN_JUSTIFY.Length);
+                    break;
+            }
+            WriteIndentation(result);
+            result.Write(ST.RtfFont.FONT_SIZE, 0, ST.RtfFont.FONT_SIZE.Length);
+            result.Write(t = IntToByteArray(fontNumber.GetFontSize() * 2), 0, t.Length);
+            if (this.symbolIndent > 0) {
+                result.Write(t = DocWriter.GetISOBytes("\\tx"), 0, t.Length);
+                result.Write(t = IntToByteArray(this.leftIndent), 0, t.Length);
+            }
+        }
+
+        /**
+        * Writes only the list number and list level number.
+        * 
+        * @return The list number and list level number of this RtfList.
+        */
+        protected void WriteListNumbers(Stream result) {
+            byte[] t;
+            result.Write(RtfListTable.LIST_NUMBER, 0, RtfListTable.LIST_NUMBER.Length);
+            result.Write(t = IntToByteArray(listNumber), 0, t.Length);
+            if (listLevel > 0) {
+                result.Write(LIST_LEVEL_NUMBER, 0, LIST_LEVEL_NUMBER.Length);
+                result.Write(t = IntToByteArray(listLevel), 0, t.Length);
+            }
+        }
+        
+        /**
+        * Writes the content of the RtfList
+        */    
+        public override void WriteContent(Stream result) {
+            if (this.listLevel == 0) {
+                CorrectIndentation();
+            }
+            byte[] t;
+            if (!this.inTable) {
+                result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            }
+            int itemNr = 0;
+            for (int i = 0; i < items.Count; i++) {
+                RtfElement rtfElement = (RtfElement) items[i];
+                if (rtfElement is RtfListItem) {
+                    itemNr++;
+                    result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+                    result.Write(LIST_TEXT, 0, LIST_TEXT.Length);
+                    result.Write(RtfParagraph.PARAGRAPH_DEFAULTS, 0, RtfParagraph.PARAGRAPH_DEFAULTS.Length);
+                    if (this.inTable) {
+                        result.Write(RtfParagraph.IN_TABLE, 0, RtfParagraph.IN_TABLE.Length);
+                    }
+                    result.Write(ST.RtfFontList.FONT_NUMBER, 0, ST.RtfFontList.FONT_NUMBER.Length);
+                    if (this.listType != LIST_TYPE_BULLET) {
+                        result.Write(t = IntToByteArray(fontNumber.GetFontNumber()), 0, t.Length);
+                    } else {
+                        result.Write(t = IntToByteArray(fontBullet.GetFontNumber()), 0, t.Length);
+                    }
+                    WriteIndentation(result);
+                    result.Write(DELIMITER, 0, DELIMITER.Length);
+                    if (this.listType != LIST_TYPE_BULLET) {
+                        switch (this.listType) {
+                            case LIST_TYPE_NUMBERED      : result.Write(t = IntToByteArray(itemNr), 0, t.Length); break;
+                            case LIST_TYPE_UPPER_LETTERS : result.Write(t = DocWriter.GetISOBytes(RomanAlphabetFactory.GetUpperCaseString(itemNr)), 0, t.Length); break;
+                            case LIST_TYPE_LOWER_LETTERS : result.Write(t = DocWriter.GetISOBytes(RomanAlphabetFactory.GetLowerCaseString(itemNr)), 0, t.Length); break;
+                            case LIST_TYPE_UPPER_ROMAN   : result.Write(t = DocWriter.GetISOBytes(RomanNumberFactory.GetUpperCaseString(itemNr)), 0, t.Length); break;
+                            case LIST_TYPE_LOWER_ROMAN   : result.Write(t = DocWriter.GetISOBytes(RomanNumberFactory.GetLowerCaseString(itemNr)), 0, t.Length); break;
+                        }
+                        result.Write(LIST_NUMBER_END, 0, LIST_NUMBER_END.Length);
+                    } else {
+                        this.document.FilterSpecialChar(result, this.bulletCharacter, true, false);
+                    }
+                    result.Write(TAB, 0, TAB.Length);
+                    result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+                    if (i == 0) {
+                        WriteListBeginning(result);
+                        WriteListNumbers(result);
+                    }
+                    rtfElement.WriteContent(result);
+                    if (i < (items.Count - 1) || !this.inTable || this.listLevel > 0) {
+                        result.Write(RtfParagraph.PARAGRAPH, 0, RtfParagraph.PARAGRAPH.Length);
+                    }
+                    result.WriteByte((byte)'\n');
+                } else if (rtfElement is RtfList) {
+                    rtfElement.WriteContent(result);
+                    WriteListBeginning(result);
+                    WriteListNumbers(result);
+                    result.WriteByte((byte)'\n');
+                }
+            }
+            if (!this.inTable) {
+                result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+                result.Write(RtfParagraph.PARAGRAPH_DEFAULTS, 0, RtfParagraph.PARAGRAPH_DEFAULTS.Length);
+            }
+        }
+        
+        
+        /**
+        * Gets the list level of this RtfList
+        * 
+        * @return Returns the list level.
+        */
+        public int GetListLevel() {
+            return listLevel;
+        }
+        
+        /**
+        * Sets the list level of this RtfList. A list level > 0 will
+        * unregister this RtfList from the RtfListTable
+        * 
+        * @param listLevel The list level to set.
+        */
+        public void SetListLevel(int listLevel) {
+            this.listLevel = listLevel;
+            if (this.listLevel != 0) {
+                document.GetDocumentHeader().FreeListNumber(this);
+                for (int i = 0; i < this.items.Count; i++) {
+                    if (this.items[i] is RtfList) {
+                        ((RtfList) this.items[i]).SetListNumber(this.listNumber);
+                        ((RtfList) this.items[i]).SetListLevel(this.listLevel + 1);
+                    }
+                }
+            } else {
+                this.listNumber = document.GetDocumentHeader().GetListNumber(this);
+            }
+        }
+        
+        /**
+        * Sets the parent RtfList of this RtfList
+        * 
+        * @param parent The parent RtfList to use.
+        */
+        protected internal void SetParent(RtfList parent) {
+            this.parentList = parent;
+        }
+
+        /**
+        * Gets the id of this list
+        * 
+        * @return Returns the list number.
+        */
+        public int GetListNumber() {
+            return listNumber;
+        }
+        
+        /**
+        * Sets the id of this list
+        * 
+        * @param listNumber The list number to set.
+        */
+        public void SetListNumber(int listNumber) {
+            this.listNumber = listNumber;
+        }
+        
+        /**
+        * Sets whether this RtfList is in a table. Sets the correct inTable setting for all
+        * child elements.
+        * 
+        * @param inTable <code>True</code> if this RtfList is in a table, <code>false</code> otherwise
+        */
+        public override void SetInTable(bool inTable) {
+            base.SetInTable(inTable);
+            for (int i = 0; i < this.items.Count; i++) {
+                ((IRtfBasicElement) this.items[i]).SetInTable(inTable);
+            }
+        }
+        
+        /**
+        * Sets whether this RtfList is in a header. Sets the correct inTable setting for all
+        * child elements.
+        * 
+        * @param inHeader <code>True</code> if this RtfList is in a header, <code>false</code> otherwise
+        */
+        public override void SetInHeader(bool inHeader) {
+            base.SetInHeader(inHeader);
+            for (int i = 0; i < this.items.Count; i++) {
+                ((IRtfBasicElement) this.items[i]).SetInHeader(inHeader);
+            }
+        }
+
+        /**
+        * Correct the indentation of this RtfList by adding left/first line indentation
+        * from the parent RtfList. Also calls correctIndentation on all child RtfLists.
+        */
+        protected internal void CorrectIndentation() {
+            if (this.parentList != null) {
+                this.leftIndent = this.leftIndent + this.parentList.GetLeftIndent() + this.parentList.GetFirstIndent();
+            }
+            for (int i = 0; i < this.items.Count; i++) {
+                if (this.items[i] is RtfList) {
+                    ((RtfList) this.items[i]).CorrectIndentation();
+                } else if (this.items[i] is RtfListItem) {
+                    ((RtfListItem) this.items[i]).CorrectIndentation();
+                }
+            }
+        }
+
+        /**
+        * Get the left indentation of this RtfList.
+        * 
+        * @return The left indentation.
+        */
+        private int GetLeftIndent() {
+            return this.leftIndent;
+        }
+        
+        /**
+        * Get the first line indentation of this RtfList.
+        * 
+        * @return The first line indentation.
+        */
+        private int GetFirstIndent() {
+            return this.firstIndent;
+        }
+    }
+}

iTechSharp/iTextSharp/text/rtf/list/RtfListItem.cs

@@ -0,0 +1,187 @@
+using System;
+using System.IO;
+using iTextSharp.text;
+using iTextSharp.text.rtf;
+using iTextSharp.text.rtf.document;
+using iTextSharp.text.rtf.text;
+using iTextSharp.text.rtf.style;
+/*
+ * $Id: RtfListItem.cs,v 1.7 2008/05/16 19:31:02 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002, 2003, 2004, 2005 by Mark Hall
+ *
+ * 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/
+ */
+
+namespace iTextSharp.text.rtf.list {
+
+    /**
+    * The RtfListItem acts as a wrapper for a ListItem.
+    * 
+    * @version $Version:$
+    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
+    */
+    public class RtfListItem : RtfParagraph {
+
+        /**
+        * The RtfList this RtfListItem belongs to.
+        */
+        private RtfList parentList = null;
+        /**
+        * Whether this RtfListItem contains further RtfLists.
+        */
+        private bool containsInnerList = false;
+        
+        /**
+        * Constructs a RtfListItem for a ListItem belonging to a RtfDocument.
+        * 
+        * @param doc The RtfDocument this RtfListItem belongs to.
+        * @param listItem The ListItem this RtfListItem is based on.
+        */
+        public RtfListItem(RtfDocument doc, ListItem listItem) : base(doc, listItem) {
+        }
+        
+        /**
+        * Writes the content of this RtfListItem.
+        */    
+        public override void WriteContent(Stream result) {
+            byte[] t;
+            if (this.paragraphStyle.GetSpacingBefore() > 0) {
+                result.Write(RtfParagraphStyle.SPACING_BEFORE, 0, RtfParagraphStyle.SPACING_BEFORE.Length);
+                result.Write(t = IntToByteArray(paragraphStyle.GetSpacingBefore()), 0, t.Length);
+            }
+            if (this.paragraphStyle.GetSpacingAfter() > 0) {
+                result.Write(RtfParagraphStyle.SPACING_AFTER, 0, RtfParagraphStyle.SPACING_AFTER.Length);
+                result.Write(t = IntToByteArray(this.paragraphStyle.GetSpacingAfter()), 0, t.Length);
+            }
+            for (int i = 0; i < chunks.Count; i++) {
+                IRtfBasicElement rtfElement = (IRtfBasicElement) chunks[i];
+                if (rtfElement is RtfChunk) {
+                    ((RtfChunk) rtfElement).SetSoftLineBreaks(true);
+                } else if (rtfElement is RtfList) {
+                    result.Write(RtfParagraph.PARAGRAPH, 0, RtfParagraph.PARAGRAPH.Length);
+                    this.containsInnerList = true;
+                }
+                rtfElement.WriteContent(result);
+                if (rtfElement is RtfList) {
+                    this.parentList.WriteListBeginning(result);
+                    result.Write(t = DocWriter.GetISOBytes("\\tab"), 0, t.Length);
+                }
+            }
+        }
+
+        /**
+        * Writes the definition of the first element in this RtfListItem that is
+        * an instanceof {@link RtfList} to the given stream.<br> 
+        * If this item does not contain a {@link RtfList} element nothing is written
+        * and the method returns <code>false</code>.
+        * 
+        * @param out destination stream
+        * @return <code>true</code> if a RtfList definition was written, <code>false</code> otherwise
+        * @throws IOException
+        * @see {@link RtfList#writeDefinition(OutputStream)}
+        */
+        public bool WriteDefinition(Stream outp) {
+            for (int i = 0; i < chunks.Count; i++) {
+                IRtfBasicElement rtfElement = (IRtfBasicElement)chunks[i];
+                if (rtfElement is RtfList) {
+                    RtfList rl = (RtfList)rtfElement;
+                    rl.WriteDefinition(outp);
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        /**
+        * Inherit the list settings from the parent list to RtfLists that
+        * are contained in this RtfListItem.
+        * 
+        * @param listNumber The list number to inherit.
+        * @param listLevel The list level to inherit.
+        */
+        public void InheritListSettings(int listNumber, int listLevel) {
+            for (int i = 0; i < chunks.Count; i++) {
+                IRtfBasicElement rtfElement = (IRtfBasicElement) chunks[i];
+                if (rtfElement is RtfList) {
+                    ((RtfList) rtfElement).SetListNumber(listNumber);
+                    ((RtfList) rtfElement).SetListLevel(listLevel);
+                    ((RtfList) rtfElement).SetParent(this.parentList);
+                }
+            }
+        }
+            
+        /**
+        * Correct the indentation of RtfLists in this RtfListItem by adding left/first line indentation
+        * from the parent RtfList. Also calls correctIndentation on all child RtfLists.
+        */
+        protected internal void CorrectIndentation() {
+            for (int i = 0; i < chunks.Count; i++) {
+                IRtfBasicElement rtfElement = (IRtfBasicElement) chunks[i];
+                if (rtfElement is RtfList) {
+                    ((RtfList) rtfElement).CorrectIndentation();
+                }
+            }
+        }
+        
+        /**
+        * Set the parent RtfList.
+        * 
+        * @param parentList The parent RtfList to use.
+        */
+        public void SetParent(RtfList parentList) {
+            this.parentList = parentList;
+        }
+
+        /**
+        * Gets whether this RtfListItem contains further RtfLists.
+        * 
+        * @return Whether this RtfListItem contains further RtfLists.
+        */
+        public bool IsContainsInnerList() {
+            return this.containsInnerList;
+        }
+    }
+}

iTechSharp/iTextSharp/text/rtf/list/RtfListTable.cs

@@ -0,0 +1,198 @@
+using System;
+using System.IO;
+using System.Collections;
+using iTextSharp.text;
+using iTextSharp.text.rtf;
+using iTextSharp.text.rtf.document;
+/*
+ * $Id: RtfListTable.cs,v 1.6 2008/05/16 19:31:04 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002, 2003, 2004 by Mark Hall
+ *
+ * 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/
+ */
+
+namespace iTextSharp.text.rtf.list {
+
+    /**
+    * The RtfListTable manages all RtfLists in one RtfDocument. It also generates
+    * the list and list override tables in the document header.
+    * 
+    * @version $Version:$
+    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
+    */
+    public class RtfListTable : RtfElement, IRtfExtendedElement {
+
+        /**
+        * Constant for the list number
+        */
+        protected internal static byte[] LIST_NUMBER = DocWriter.GetISOBytes("\\ls");
+        /**
+        * Constant for the list table
+        */
+        private static byte[] LIST_TABLE = DocWriter.GetISOBytes("\\*\\listtable");
+        /**
+        * Constant for the list
+        */
+        private static byte[] LIST = DocWriter.GetISOBytes("\\list");
+        /**
+        * Constant for the list template id
+        */
+        private static byte[] LIST_TEMPLATE_ID = DocWriter.GetISOBytes("\\listtemplateid");
+        /**
+        * Constant for the hybrid list
+        */
+        private static byte[] LIST_HYBRID = DocWriter.GetISOBytes("\\listhybrid");
+        /**
+        * Constant for the list id
+        */
+        private static byte[] LIST_ID = DocWriter.GetISOBytes("\\listid");
+        /**
+        * Constant for the list override table
+        */
+        private static byte[] LIST_OVERRIDE_TABLE = DocWriter.GetISOBytes("\\*\\listoverridetable");
+        /**
+        * Constant for the list override
+        */
+        private static byte[] LIST_OVERRIDE = DocWriter.GetISOBytes("\\listoverride");
+        /**
+        * Constant for the list override count
+        */
+        private static byte[] LIST_OVERRIDE_COUNT = DocWriter.GetISOBytes("\\listoverridecount");
+        
+        /**
+        * The RtfLists managed by this RtfListTable
+        */
+        private ArrayList lists;
+        
+        /**
+        * Constructs a RtfListTable for a RtfDocument
+        * 
+        * @param doc The RtfDocument this RtfListTable belongs to
+        */
+        public RtfListTable(RtfDocument doc) : base(doc) {
+            this.lists = new ArrayList();
+        }
+
+        /**
+        * unused
+        */
+        public override void WriteContent(Stream outp) {       
+        }
+        
+        /**
+        * Writes the list and list override tables.
+        */
+        public virtual void WriteDefinition(Stream result) {
+            byte[] t;
+            int[] listIds = new int[lists.Count];
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(LIST_TABLE, 0, LIST_TABLE.Length);
+            result.WriteByte((byte)'\n');
+            for (int i = 0; i < lists.Count; i++) {
+                result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+                result.Write(LIST, 0, LIST.Length);
+                result.Write(LIST_TEMPLATE_ID, 0, LIST_TEMPLATE_ID.Length);
+                result.Write(t = IntToByteArray(document.GetRandomInt()), 0, t.Length);
+                result.Write(LIST_HYBRID, 0, LIST_HYBRID.Length);
+                result.WriteByte((byte)'\n');
+                RtfList rList = (RtfList)lists[i]; 
+                rList.WriteDefinition(result);
+                result.Write(LIST_ID, 0, LIST_ID.Length);
+                listIds[i] = document.GetRandomInt();
+                result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
+                result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+                result.WriteByte((byte)'\n');
+            }
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.WriteByte((byte)'\n');
+            result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+            result.Write(LIST_OVERRIDE_TABLE, 0, LIST_OVERRIDE_TABLE.Length);
+            result.WriteByte((byte)'\n');
+            for (int i = 0; i < lists.Count; i++) {
+                result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
+                result.Write(LIST_OVERRIDE, 0, LIST_OVERRIDE.Length);
+                result.Write(LIST_ID, 0, LIST_ID.Length);
+                result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
+                result.Write(LIST_OVERRIDE_COUNT, 0, LIST_OVERRIDE_COUNT.Length);
+                result.Write(t = IntToByteArray(0), 0, t.Length);
+                result.Write(LIST_NUMBER, 0, LIST_NUMBER.Length);
+                result.Write(t = IntToByteArray(((RtfList) lists[i]).GetListNumber()), 0, t.Length);
+                result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+                result.WriteByte((byte)'\n');
+            }
+            result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
+            result.WriteByte((byte)'\n');
+        }
+
+        /**
+        * Gets the id of the specified RtfList. If the RtfList is not yet in the
+        * list of RtfLists, then it is added.
+        * 
+        * @param list The RtfList for which to get the id.
+        * @return The id of the RtfList.
+        */
+        public int GetListNumber(RtfList list) {
+            if (lists.Contains(list)) {
+                return lists.IndexOf(list);
+            } else {
+                lists.Add(list);
+                return lists.Count;
+            }
+        }
+        
+        /**
+        * Remove a RtfList from the list of RtfLists
+        * 
+        * @param list The RtfList to remove.
+        */
+        public void FreeListNumber(RtfList list) {
+            int i = lists.IndexOf(list);
+            if (i >= 0) {
+                lists.RemoveAt(i);
+            }
+        }
+    }
+}