259 lines
11 KiB
C#
259 lines
11 KiB
C#
using System;
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using System.Collections;
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using iTextSharp.text;
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using iTextSharp.text.rtf.document;
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using iTextSharp.text.rtf.list;
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using iTextSharp.text.rtf.style;
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/*
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* $Id: RtfImportMgr.cs,v 1.3 2008/05/16 19:31:07 psoares33 Exp $
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*
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*
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* Copyright 2007 by Howard Shank (hgshank@yahoo.com)
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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) 1999-2006 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) 2000-2006 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.rtf.parser {
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/**
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* The RtfImportHeader stores the docment header information from
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* an RTF document that is being imported. Currently font and
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* color settings are stored. The RtfImportHeader maintains a mapping
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* from font and color numbers from the imported RTF document to
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* the RTF document that is the target of the import. This guarantees
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* that the merged document has the correct font and color settings.
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* It also handles other list based items that need mapping, for example
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* stylesheets and lists.
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*
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* @author Mark Hall (Mark.Hall@mail.room3b.eu)
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* @author Howard Shank (hgshank@yahoo.com)
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*/
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public class RtfImportMgr {
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//TODO: Add list, stylesheet, info, etc. mappings
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/**
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* The Hashtable storing the font number mappings.
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*/
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private Hashtable importFontMapping = null;
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/**
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* The Hashtable storing the color number mapings.
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*/
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private Hashtable importColorMapping = null;
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/**
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* The Hashtable storing the Stylesheet List number mapings.
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*/
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private Hashtable importStylesheetListMapping = null;
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/**
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* The Hashtable storing the List number mapings.
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*/
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private Hashtable importListMapping = null;
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/**
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* The RtfDocument to get font and color numbers from.
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*/
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private RtfDocument rtfDoc = null;
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/**
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* The Document.
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* Used for conversions, but not imports.
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*/
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private Document doc = null;
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/**
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* Constructs a new RtfImportHeader.
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*
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* @param rtfDoc The RtfDocument to get font and color numbers from.
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*/
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public RtfImportMgr(RtfDocument rtfDoc, Document doc) {
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this.rtfDoc = rtfDoc;
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this.doc = doc;
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this.importFontMapping = new Hashtable();
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this.importColorMapping = new Hashtable();
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this.importStylesheetListMapping = new Hashtable();
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this.importListMapping = new Hashtable();
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}
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/**
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* Imports a font. The font name is looked up in the RtfDocumentHeader and
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* then the mapping from original font number to actual font number is added.
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*
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* @param fontNr The original font number.
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* @param fontName The font name to look up.
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*/
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public bool ImportFont(String fontNr, String fontName) {
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RtfFont rtfFont = new RtfFont(fontName);
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if (rtfFont != null){
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rtfFont.SetRtfDocument(this.rtfDoc);
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this.importFontMapping[fontNr] = this.rtfDoc.GetDocumentHeader().GetFontNumber(rtfFont).ToString();
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return true;
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} else {
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return false;
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}
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}
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/**
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* Imports a font. The font name is looked up in the RtfDocumentHeader and
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* then the mapping from original font number to actual font number is added.
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*
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* @param fontNr The original font number.
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* @param fontName The font name to look up.
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* @param charset The characterset to use for the font.
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*/
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public bool ImportFont(String fontNr, String fontName, int charset) {
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RtfFont rtfFont = new RtfFont(fontName);
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if (charset>= 0)
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rtfFont.SetCharset(charset);
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rtfFont.SetRtfDocument(this.rtfDoc);
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this.importFontMapping[fontNr] = this.rtfDoc.GetDocumentHeader().GetFontNumber(rtfFont).ToString();
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return true;
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}
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/**
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* Imports a font. The font name is looked up in the RtfDocumentHeader and
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* then the mapping from original font number to actual font number is added.
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*
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* @param fontNr The original font number.
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* @param fontName The font name to look up.
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* @param charset The characterset to use for the font.
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*/
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public bool ImportFont(String fontNr, String fontName, String fontFamily, int charset) {
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RtfFont rtfFont = new RtfFont(fontName);
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if (charset>= 0)
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rtfFont.SetCharset(charset);
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if (fontFamily != null && fontFamily.Length > 0)
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rtfFont.SetFamily(fontFamily);
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rtfFont.SetRtfDocument(this.rtfDoc);
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this.importFontMapping[fontNr] = this.rtfDoc.GetDocumentHeader().GetFontNumber(rtfFont).ToString();
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return true;
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}
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/**
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* Performs the mapping from the original font number to the actual
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* font number in the resulting RTF document. If the font number was not
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* seen during import (thus no mapping) then 0 is returned, guaranteeing
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* that the font number is always valid.
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*
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* @param fontNr The font number to map.
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* @return The mapped font number.
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*/
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public String MapFontNr(String fontNr) {
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if (this.importFontMapping.ContainsKey(fontNr)) {
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return (String) this.importFontMapping[fontNr];
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} else {
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return "0";
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}
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}
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/**
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* Imports a color value. The color number for the color defined
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* by its red, green and blue values is determined and then the
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* resulting mapping is added.
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*
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* @param colorNr The original color number.
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* @param color The color to import.
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*/
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public void ImportColor(String colorNr, Color color) {
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RtfColor rtfColor = new RtfColor(this.rtfDoc, color);
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this.importColorMapping[colorNr] = rtfColor.GetColorNumber().ToString();
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}
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/**
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* Performs the mapping from the original font number to the actual font
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* number used in the RTF document. If the color number was not
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* seen during import (thus no mapping) then 0 is returned, guaranteeing
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* that the color number is always valid.
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*
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* @param colorNr The color number to map.
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* @return The mapped color number
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*/
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public String MapColorNr(String colorNr) {
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if (this.importColorMapping.ContainsKey(colorNr)) {
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return (String) this.importColorMapping[colorNr];
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} else {
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return "0";
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}
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}
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/**
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* Imports a List value. The List number for the List defined
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* is determined and then the resulting mapping is added.
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*/
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public void ImportList(String origListNr, String newListNr) {
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this.importListMapping[origListNr] = newListNr;
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}
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/**
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* Performs the mapping from the original list number to the actual
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* list number in the resulting RTF document. If the list number was not
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* seen during import (thus no mapping) then 0 is returned, guaranteeing
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* that the list number is always valid.
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*/
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public String MapListNr(String listNr) {
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if (this.importListMapping.ContainsKey(listNr)) {
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return (String) this.importListMapping[listNr];
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} else {
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return null;
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}
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}
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/**
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* Imports a stylesheet list value. The stylesheet number for the stylesheet defined
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* is determined and then the resulting mapping is added.
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*/
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public bool ImportStylesheetList(String listNr, List listIn) {
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RtfList rtfList = new RtfList(this.rtfDoc, listIn);
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rtfList.SetRtfDocument(this.rtfDoc);
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return true;
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}
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/**
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* Performs the mapping from the original stylesheet number to the actual
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* stylesheet number in the resulting RTF document. If the stylesheet number was not
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* seen during import (thus no mapping) then 0 is returned, guaranteeing
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* that the stylesheet number is always valid.
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*/
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public String MapStylesheetListNr(String listNr) {
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if (this.importStylesheetListMapping.ContainsKey(listNr)) {
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return (String) this.importStylesheetListMapping[listNr];
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} else {
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return "0";
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}
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}
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}
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} |