1041 lines
40 KiB
C#
1041 lines
40 KiB
C#
using System;
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using System.IO;
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using System.Text;
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using System.Collections;
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using System.Globalization;
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using System.util;
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using iTextSharp.text;
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using iTextSharp.text.pdf;
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/*
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* $Id: HtmlWriter.cs,v 1.24 2008/05/13 11:25:15 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.html {
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/**
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* A <CODE>DocWriter</CODE> class for HTML.
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* <P>
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* An <CODE>HtmlWriter</CODE> can be added as a <CODE>DocListener</CODE>
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* to a certain <CODE>Document</CODE> by getting an instance.
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* Every <CODE>Element</CODE> added to the original <CODE>Document</CODE>
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* will be written to the <CODE>Stream</CODE> of this <CODE>HtmlWriter</CODE>.
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* <P>
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* Example:
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* <BLOCKQUOTE><PRE>
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* // creation of the document with a certain size and certain margins
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* Document document = new Document(PageSize.A4, 50, 50, 50, 50);
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* try {
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* // this will write HTML to the Standard Stream
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* <STRONG>HtmlWriter.GetInstance(document, System.out);</STRONG>
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* // this will write HTML to a file called text.html
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* <STRONG>HtmlWriter.GetInstance(document, new FileOutputStream("text.html"));</STRONG>
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* // this will write HTML to for instance the Stream of a HttpServletResponse-object
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* <STRONG>HtmlWriter.GetInstance(document, response.GetOutputStream());</STRONG>
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* }
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* catch (DocumentException de) {
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* System.err.Println(de.GetMessage());
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* }
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* // this will close the document and all the OutputStreams listening to it
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* <STRONG>document.Close();</CODE>
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* </PRE></BLOCKQUOTE>
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*/
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public class HtmlWriter : DocWriter {
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// static membervariables (tags)
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/** This is a possible HTML-tag. */
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public static byte[] BEGINCOMMENT = GetISOBytes("<!-- ");
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/** This is a possible HTML-tag. */
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public static byte[] ENDCOMMENT = GetISOBytes(" -->");
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/** This is a possible HTML-tag. */
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public const string NBSP = " ";
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// membervariables
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/** This is the current font of the HTML. */
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protected Stack currentfont = new Stack();
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/** This is the standard font of the HTML. */
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protected Font standardfont = new Font();
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/** This is a path for images. */
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protected String imagepath = null;
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/** Stores the page number. */
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protected int pageN = 0;
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/** This is the textual part of a header */
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protected HeaderFooter header = null;
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/** This is the textual part of the footer */
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protected HeaderFooter footer = null;
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/** Store the markup properties of a MarkedObject. */
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protected Properties markup = new Properties();
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// constructor
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/**
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* Constructs a <CODE>HtmlWriter</CODE>.
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*
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* @param doc The <CODE>Document</CODE> that has to be written as HTML
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* @param os The <CODE>Stream</CODE> the writer has to write to.
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*/
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protected HtmlWriter(Document doc, Stream os) : base(doc, os){
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document.AddDocListener(this);
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this.pageN = document.PageNumber;
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os.WriteByte(LT);
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byte[] tmp = GetISOBytes(HtmlTags.HTML);
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os.Write(tmp, 0, tmp.Length);
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os.WriteByte(GT);
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os.WriteByte(NEWLINE);
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os.WriteByte(TAB);
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os.WriteByte(LT);
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tmp = GetISOBytes(HtmlTags.HEAD);
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os.Write(tmp, 0, tmp.Length);
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os.WriteByte(GT);
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}
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// get an instance of the HtmlWriter
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/**
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* Gets an instance of the <CODE>HtmlWriter</CODE>.
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*
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* @param document The <CODE>Document</CODE> that has to be written
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* @param os The <CODE>Stream</CODE> the writer has to write to.
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* @return a new <CODE>HtmlWriter</CODE>
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*/
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public static HtmlWriter GetInstance(Document document, Stream os) {
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return new HtmlWriter(document, os);
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}
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// implementation of the DocListener methods
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/**
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* Signals that an new page has to be started.
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*
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* @return <CODE>true</CODE> if this action succeeded, <CODE>false</CODE> if not.
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* @throws DocumentException when a document isn't open yet, or has been closed
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*/
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public override bool NewPage() {
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try {
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WriteStart(HtmlTags.DIV);
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Write(" ");
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Write(HtmlTags.STYLE);
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Write("=\"");
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WriteCssProperty(Markup.CSS_KEY_PAGE_BREAK_BEFORE, Markup.CSS_VALUE_ALWAYS);
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Write("\" /");
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os.WriteByte(GT);
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}
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catch (IOException ioe) {
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throw new DocumentException(ioe.Message);
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}
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return true;
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}
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/**
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* Signals that an <CODE>Element</CODE> was added to the <CODE>Document</CODE>.
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*
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* @return <CODE>true</CODE> if the element was added, <CODE>false</CODE> if not.
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* @throws DocumentException when a document isn't open yet, or has been closed
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*/
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public override bool Add(IElement element) {
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if (pause) {
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return false;
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}
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if (open && !element.IsContent()) {
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throw new DocumentException("The document is open; you can only add Elements with content.");
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}
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switch (element.Type) {
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case Element.HEADER:
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try {
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Header h = (Header) element;
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if (HtmlTags.STYLESHEET.Equals(h.Name)) {
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WriteLink(h);
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}
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else if (HtmlTags.JAVASCRIPT.Equals(h.Name)) {
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WriteJavaScript(h);
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}
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else {
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WriteHeader(h);
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}
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}
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catch (InvalidCastException) {
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}
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return true;
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case Element.SUBJECT:
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case Element.KEYWORDS:
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case Element.AUTHOR:
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Meta meta = (Meta) element;
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WriteHeader(meta);
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return true;
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case Element.TITLE:
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AddTabs(2);
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WriteStart(HtmlTags.TITLE);
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os.WriteByte(GT);
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AddTabs(3);
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Write(HtmlEncoder.Encode(((Meta)element).Content));
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AddTabs(2);
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WriteEnd(HtmlTags.TITLE);
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return true;
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case Element.CREATOR:
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WriteComment("Creator: " + HtmlEncoder.Encode(((Meta)element).Content));
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return true;
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case Element.PRODUCER:
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WriteComment("Producer: " + HtmlEncoder.Encode(((Meta)element).Content));
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return true;
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case Element.CREATIONDATE:
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WriteComment("Creationdate: " + HtmlEncoder.Encode(((Meta)element).Content));
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return true;
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case Element.MARKED:
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if (element is MarkedSection) {
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MarkedSection ms = (MarkedSection)element;
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AddTabs(1);
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WriteStart(HtmlTags.DIV);
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WriteMarkupAttributes(ms.MarkupAttributes);
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os.WriteByte(GT);
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MarkedObject mo = ((MarkedSection)element).Title;
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if (mo != null) {
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markup = mo.MarkupAttributes;
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mo.Process(this);
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}
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ms.Process(this);
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WriteEnd(HtmlTags.DIV);
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return true;
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}
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else {
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MarkedObject mo = (MarkedObject) element;
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markup = mo.MarkupAttributes;
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return mo.Process(this);
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}
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default:
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Write(element, 2);
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return true;
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}
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}
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/**
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* Signals that the <CODE>Document</CODE> has been opened and that
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* <CODE>Elements</CODE> can be added.
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* <P>
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* The <CODE>HEAD</CODE>-section of the HTML-document is written.
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*/
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public override void Open() {
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base.Open();
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WriteComment(Document.Version);
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WriteComment("CreationDate: " + DateTime.Now.ToString());
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AddTabs(1);
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WriteEnd(HtmlTags.HEAD);
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AddTabs(1);
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WriteStart(HtmlTags.BODY);
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if (document.LeftMargin > 0) {
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Write(HtmlTags.LEFTMARGIN, document.LeftMargin.ToString());
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}
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if (document.RightMargin > 0) {
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Write(HtmlTags.RIGHTMARGIN, document.RightMargin.ToString());
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}
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if (document.TopMargin > 0) {
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Write(HtmlTags.TOPMARGIN, document.TopMargin.ToString());
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}
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if (document.BottomMargin > 0) {
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Write(HtmlTags.BOTTOMMARGIN, document.BottomMargin.ToString());
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}
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if (pageSize.BackgroundColor != null) {
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Write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.Encode(pageSize.BackgroundColor));
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}
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if (document.JavaScript_onLoad != null) {
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Write(HtmlTags.JAVASCRIPT_ONLOAD, HtmlEncoder.Encode(document.JavaScript_onLoad));
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}
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if (document.JavaScript_onUnLoad != null) {
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Write(HtmlTags.JAVASCRIPT_ONUNLOAD, HtmlEncoder.Encode(document.JavaScript_onUnLoad));
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}
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if (document.HtmlStyleClass != null) {
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Write(Markup.HTML_ATTR_CSS_CLASS, document.HtmlStyleClass);
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}
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os.WriteByte(GT);
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InitHeader(); // line added by David Freels
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}
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/**
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* Signals that the <CODE>Document</CODE> was closed and that no other
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* <CODE>Elements</CODE> will be added.
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*/
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public override void Close() {
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InitFooter(); // line added by David Freels
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AddTabs(1);
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WriteEnd(HtmlTags.BODY);
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os.WriteByte(NEWLINE);
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WriteEnd(HtmlTags.HTML);
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base.Close();
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}
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// some protected methods
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/**
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* Adds the header to the top of the </CODE>Document</CODE>
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*/
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protected void InitHeader() {
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if (header != null) {
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Add(header.Paragraph);
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}
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}
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/**
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* Adds the header to the top of the </CODE>Document</CODE>
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*/
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protected void InitFooter() {
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if (footer != null) {
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// Set the page number. HTML has no notion of a page, so it should always
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// add up to 1
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footer.PageNumber = pageN + 1;
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Add(footer.Paragraph);
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}
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}
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/**
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* Writes a Metatag in the header.
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*
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* @param meta the element that has to be written
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* @throws IOException
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*/
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protected void WriteHeader(Meta meta) {
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AddTabs(2);
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WriteStart(HtmlTags.META);
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switch (meta.Type) {
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case Element.HEADER:
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Write(HtmlTags.NAME, ((Header) meta).Name);
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break;
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case Element.SUBJECT:
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Write(HtmlTags.NAME, HtmlTags.SUBJECT);
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break;
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case Element.KEYWORDS:
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Write(HtmlTags.NAME, HtmlTags.KEYWORDS);
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break;
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case Element.AUTHOR:
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Write(HtmlTags.NAME, HtmlTags.AUTHOR);
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break;
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}
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Write(HtmlTags.CONTENT, HtmlEncoder.Encode(meta.Content));
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WriteEnd();
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}
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/**
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* Writes a link in the header.
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*
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* @param header the element that has to be written
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* @throws IOException
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*/
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protected void WriteLink(Header header) {
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AddTabs(2);
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WriteStart(HtmlTags.LINK);
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Write(HtmlTags.REL, header.Name);
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Write(HtmlTags.TYPE, HtmlTags.TEXT_CSS);
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Write(HtmlTags.REFERENCE, header.Content);
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WriteEnd();
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}
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/**
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* Writes a JavaScript section or, if the markup attribute HtmlTags.URL is set, a JavaScript reference in the header.
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*
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* @param header the element that has to be written
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* @throws IOException
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*/
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protected void WriteJavaScript(Header header) {
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AddTabs(2);
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WriteStart(HtmlTags.SCRIPT);
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Write(HtmlTags.LANGUAGE, HtmlTags.JAVASCRIPT);
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if (markup.Count > 0) {
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/* JavaScript reference example:
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*
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* <script language="JavaScript" src="/myPath/MyFunctions.js"/>
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*/
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WriteMarkupAttributes(markup);
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os.WriteByte(GT);
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WriteEnd(HtmlTags.SCRIPT);
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}
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else {
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/* JavaScript coding convention:
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*
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* <script language="JavaScript" type="text/javascript">
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* <!--
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* // ... JavaScript methods ...
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* //-->
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* </script>
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*/
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Write(HtmlTags.TYPE, Markup.HTML_VALUE_JAVASCRIPT);
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os.WriteByte(GT);
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AddTabs(2);
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Write(Encoding.ASCII.GetString(BEGINCOMMENT) + "\n");
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Write(header.Content);
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AddTabs(2);
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Write("//" + Encoding.ASCII.GetString(ENDCOMMENT));
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AddTabs(2);
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WriteEnd(HtmlTags.SCRIPT);
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}
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}
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/**
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* Writes some comment.
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* <P>
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* This method writes some comment.
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*
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* @param comment the comment that has to be written
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* @throws IOException
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*/
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protected void WriteComment(String comment) {
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AddTabs(2);
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os.Write(BEGINCOMMENT, 0, BEGINCOMMENT.Length);
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Write(comment);
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os.Write(ENDCOMMENT, 0, ENDCOMMENT.Length);
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}
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// public methods
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/**
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* Changes the standardfont.
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*
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* @param standardFont The font
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*/
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public void SetStandardFont(Font standardFont) {
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this.standardfont = standardFont;
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}
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/**
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* Checks if a given font is the same as the font that was last used.
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*
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* @param font the font of an object
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* @return true if the font differs
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*/
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public bool IsOtherFont(Font font) {
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try {
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Font cFont = (Font) currentfont.Peek();
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if (cFont.CompareTo(font) == 0) return false;
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return true;
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}
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catch (InvalidOperationException) {
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if (standardfont.CompareTo(font) == 0) return false;
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return true;
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}
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}
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/**
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* Sets the basepath for images.
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* <P>
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* This is especially useful if you add images using a file,
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* rather than an URL. In PDF there is no problem, since
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* the images are added inline, but in HTML it is sometimes
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* necessary to use a relative path or a special path to some
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* images directory.
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*
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* @param imagepath the new imagepath
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*/
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public void SetImagepath(String imagepath) {
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this.imagepath = imagepath;
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}
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/**
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* Resets the imagepath.
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*/
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public void ResetImagepath() {
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imagepath = null;
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}
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/**
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* Changes the header of this document.
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*
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* @param header the new header
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*/
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public void SetHeader(HeaderFooter header) {
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this.header = header;
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}
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/**
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* Changes the footer of this document.
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*
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* @param footer the new footer
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*/
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public void SetFooter(HeaderFooter footer) {
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this.footer = footer;
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}
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|
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/**
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* Signals that a <CODE>String</CODE> was added to the <CODE>Document</CODE>.
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*
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* @return <CODE>true</CODE> if the string was added, <CODE>false</CODE> if not.
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* @throws DocumentException when a document isn't open yet, or has been closed
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*/
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public bool Add(String str) {
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if (pause) {
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return false;
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}
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Write(str);
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return true;
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}
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|
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/**
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* Writes the HTML representation of an element.
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*
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* @param element the element
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* @param indent the indentation
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*/
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|
|
protected void Write(IElement element, int indent) {
|
|
Properties styleAttributes = null;
|
|
switch (element.Type) {
|
|
case Element.MARKED: {
|
|
try {
|
|
Add(element);
|
|
} catch (DocumentException) {
|
|
}
|
|
return;
|
|
}
|
|
case Element.CHUNK: {
|
|
Chunk chunk = (Chunk) element;
|
|
// if the chunk contains an image, return the image representation
|
|
Image image = chunk.GetImage();
|
|
if (image != null) {
|
|
Write(image, indent);
|
|
return;
|
|
}
|
|
|
|
if (chunk.IsEmpty()) return;
|
|
Hashtable attributes = chunk.Attributes;
|
|
if (attributes != null && attributes[Chunk.NEWPAGE] != null) {
|
|
return;
|
|
}
|
|
bool tag = IsOtherFont(chunk.Font) || markup.Count > 0;
|
|
if (tag) {
|
|
// start span tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.SPAN);
|
|
if (IsOtherFont(chunk.Font)) {
|
|
Write(chunk.Font, null);
|
|
}
|
|
WriteMarkupAttributes(markup);
|
|
os.WriteByte(GT);
|
|
}
|
|
if (attributes != null && attributes[Chunk.SUBSUPSCRIPT] != null) {
|
|
// start sup or sub tag
|
|
if ((float)attributes[Chunk.SUBSUPSCRIPT] > 0) {
|
|
WriteStart(HtmlTags.SUP);
|
|
}
|
|
else {
|
|
WriteStart(HtmlTags.SUB);
|
|
}
|
|
os.WriteByte(GT);
|
|
}
|
|
// contents
|
|
Write(HtmlEncoder.Encode(chunk.Content));
|
|
if (attributes != null && attributes[Chunk.SUBSUPSCRIPT] != null) {
|
|
// end sup or sub tag
|
|
os.WriteByte(LT);
|
|
os.WriteByte(FORWARD);
|
|
if ((float)attributes[Chunk.SUBSUPSCRIPT] > 0) {
|
|
Write(HtmlTags.SUP);
|
|
}
|
|
else {
|
|
Write(HtmlTags.SUB);
|
|
}
|
|
os.WriteByte(GT);
|
|
}
|
|
if (tag) {
|
|
// end tag
|
|
WriteEnd(Markup.HTML_TAG_SPAN);
|
|
}
|
|
return;
|
|
}
|
|
case Element.PHRASE: {
|
|
Phrase phrase = (Phrase) element;
|
|
styleAttributes = new Properties();
|
|
if (phrase.HasLeading()) styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = phrase.Leading.ToString() + "pt";
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(Markup.HTML_TAG_SPAN);
|
|
WriteMarkupAttributes(markup);
|
|
Write(phrase.Font, styleAttributes);
|
|
os.WriteByte(GT);
|
|
currentfont.Push(phrase.Font);
|
|
// contents
|
|
foreach (IElement i in phrase) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(Markup.HTML_TAG_SPAN);
|
|
currentfont.Pop();
|
|
return;
|
|
}
|
|
case Element.ANCHOR: {
|
|
Anchor anchor = (Anchor) element;
|
|
styleAttributes = new Properties();
|
|
if (anchor.HasLeading()) styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = anchor.Leading.ToString() + "pt";
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.ANCHOR);
|
|
if (anchor.Name != null) {
|
|
Write(HtmlTags.NAME, anchor.Name);
|
|
}
|
|
if (anchor.Reference != null) {
|
|
Write(HtmlTags.REFERENCE, anchor.Reference);
|
|
}
|
|
WriteMarkupAttributes(markup);
|
|
Write(anchor.Font, styleAttributes);
|
|
os.WriteByte(GT);
|
|
currentfont.Push(anchor.Font);
|
|
// contents
|
|
foreach (IElement i in anchor) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.ANCHOR);
|
|
currentfont.Pop();
|
|
return;
|
|
}
|
|
case Element.PARAGRAPH: {
|
|
Paragraph paragraph = (Paragraph) element;
|
|
styleAttributes = new Properties();
|
|
if (paragraph.HasLeading()) styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = paragraph.TotalLeading.ToString() + "pt";
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.DIV);
|
|
WriteMarkupAttributes(markup);
|
|
String alignment = HtmlEncoder.GetAlignment(paragraph.Alignment);
|
|
if (!"".Equals(alignment)) {
|
|
Write(HtmlTags.ALIGN, alignment);
|
|
}
|
|
Write(paragraph.Font, styleAttributes);
|
|
os.WriteByte(GT);
|
|
currentfont.Push(paragraph.Font);
|
|
// contents
|
|
foreach (IElement i in paragraph) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.DIV);
|
|
currentfont.Pop();
|
|
return;
|
|
}
|
|
case Element.SECTION:
|
|
case Element.CHAPTER: {
|
|
// part of the start tag + contents
|
|
WriteSection((Section) element, indent);
|
|
return;
|
|
}
|
|
case Element.LIST: {
|
|
List list = (List) element;
|
|
// start tag
|
|
AddTabs(indent);
|
|
if (list.Numbered) {
|
|
WriteStart(HtmlTags.ORDEREDLIST);
|
|
}
|
|
else {
|
|
WriteStart(HtmlTags.UNORDEREDLIST);
|
|
}
|
|
WriteMarkupAttributes(markup);
|
|
os.WriteByte(GT);
|
|
// contents
|
|
foreach (IElement i in list.Items) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
if (list.Numbered) {
|
|
WriteEnd(HtmlTags.ORDEREDLIST);
|
|
}
|
|
else {
|
|
WriteEnd(HtmlTags.UNORDEREDLIST);
|
|
}
|
|
return;
|
|
}
|
|
case Element.LISTITEM: {
|
|
ListItem listItem = (ListItem) element;
|
|
styleAttributes = new Properties();
|
|
if (listItem.HasLeading()) styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = listItem.TotalLeading.ToString() + "pt";
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.LISTITEM);
|
|
WriteMarkupAttributes(markup);
|
|
Write(listItem.Font, styleAttributes);
|
|
os.WriteByte(GT);
|
|
currentfont.Push(listItem.Font);
|
|
// contents
|
|
foreach (IElement i in listItem) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.LISTITEM);
|
|
currentfont.Pop();
|
|
return;
|
|
}
|
|
case Element.CELL: {
|
|
Cell cell = (Cell) element;
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
if (cell.Header) {
|
|
WriteStart(HtmlTags.HEADERCELL);
|
|
}
|
|
else {
|
|
WriteStart(HtmlTags.CELL);
|
|
}
|
|
WriteMarkupAttributes(markup);
|
|
if (cell.BorderWidth != Rectangle.UNDEFINED) {
|
|
Write(HtmlTags.BORDERWIDTH, cell.BorderWidth.ToString());
|
|
}
|
|
if (cell.BorderColor != null) {
|
|
Write(HtmlTags.BORDERCOLOR, HtmlEncoder.Encode(cell.BorderColor));
|
|
}
|
|
if (cell.BackgroundColor != null) {
|
|
Write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.Encode(cell.BackgroundColor));
|
|
}
|
|
String alignment = HtmlEncoder.GetAlignment(cell.HorizontalAlignment);
|
|
if (!"".Equals(alignment)) {
|
|
Write(HtmlTags.HORIZONTALALIGN, alignment);
|
|
}
|
|
alignment = HtmlEncoder.GetAlignment(cell.VerticalAlignment);
|
|
if (!"".Equals(alignment)) {
|
|
Write(HtmlTags.VERTICALALIGN, alignment);
|
|
}
|
|
if (cell.GetWidthAsString() != null) {
|
|
Write(HtmlTags.WIDTH, cell.GetWidthAsString());
|
|
}
|
|
if (cell.Colspan != 1) {
|
|
Write(HtmlTags.COLSPAN, cell.Colspan.ToString());
|
|
}
|
|
if (cell.Rowspan != 1) {
|
|
Write(HtmlTags.ROWSPAN, cell.Rowspan.ToString());
|
|
}
|
|
if (cell.MaxLines == 1) {
|
|
Write(HtmlTags.STYLE, "white-space: nowrap;");
|
|
}
|
|
os.WriteByte(GT);
|
|
// contents
|
|
if (cell.IsEmpty()) {
|
|
Write(NBSP);
|
|
} else {
|
|
foreach (IElement i in cell.Elements) {
|
|
Write(i, indent + 1);
|
|
}
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
if (cell.Header) {
|
|
WriteEnd(HtmlTags.HEADERCELL);
|
|
}
|
|
else {
|
|
WriteEnd(HtmlTags.CELL);
|
|
}
|
|
return;
|
|
}
|
|
case Element.ROW: {
|
|
Row row = (Row) element;
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.ROW);
|
|
WriteMarkupAttributes(markup);
|
|
os.WriteByte(GT);
|
|
// contents
|
|
IElement cell;
|
|
for (int i = 0; i < row.Columns; i++) {
|
|
if ((cell = (IElement)row.GetCell(i)) != null) {
|
|
Write(cell, indent + 1);
|
|
}
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.ROW);
|
|
return;
|
|
}
|
|
case Element.TABLE: {
|
|
Table table;
|
|
try {
|
|
table = (Table) element;
|
|
}
|
|
catch (InvalidCastException) {
|
|
table = ((SimpleTable)element).CreateTable();
|
|
}
|
|
table.Complete();
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.TABLE);
|
|
WriteMarkupAttributes(markup);
|
|
os.WriteByte(SPACE);
|
|
Write(HtmlTags.WIDTH);
|
|
os.WriteByte(EQUALS);
|
|
os.WriteByte(QUOTE);
|
|
Write(table.Width.ToString(System.Globalization.CultureInfo.InvariantCulture));
|
|
if (!table.Locked){
|
|
Write("%");
|
|
}
|
|
os.WriteByte(QUOTE);
|
|
String alignment = HtmlEncoder.GetAlignment(table.Alignment);
|
|
if (!"".Equals(alignment)) {
|
|
Write(HtmlTags.ALIGN, alignment);
|
|
}
|
|
Write(HtmlTags.CELLPADDING, table.Cellpadding.ToString(System.Globalization.CultureInfo.InvariantCulture));
|
|
Write(HtmlTags.CELLSPACING, table.Cellspacing.ToString(System.Globalization.CultureInfo.InvariantCulture));
|
|
if (table.BorderWidth != Rectangle.UNDEFINED) {
|
|
Write(HtmlTags.BORDERWIDTH, table.BorderWidth.ToString(System.Globalization.CultureInfo.InvariantCulture));
|
|
}
|
|
if (table.BorderColor != null) {
|
|
Write(HtmlTags.BORDERCOLOR, HtmlEncoder.Encode(table.BorderColor));
|
|
}
|
|
if (table.BackgroundColor != null) {
|
|
Write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.Encode(table.BackgroundColor));
|
|
}
|
|
os.WriteByte(GT);
|
|
// contents
|
|
foreach (Row row in table) {
|
|
Write(row, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.TABLE);
|
|
return;
|
|
}
|
|
case Element.ANNOTATION: {
|
|
Annotation annotation = (Annotation) element;
|
|
WriteComment(annotation.Title + ": " + annotation.Content);
|
|
return;
|
|
}
|
|
case Element.IMGRAW:
|
|
case Element.JPEG:
|
|
case Element.JPEG2000:
|
|
case Element.IMGTEMPLATE: {
|
|
Image image = (Image) element;
|
|
if (image.Url == null) {
|
|
return;
|
|
}
|
|
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.IMAGE);
|
|
String path = image.Url.ToString();
|
|
if (imagepath != null) {
|
|
if (path.IndexOf('/') > 0) {
|
|
path = imagepath + path.Substring(path.LastIndexOf('/') + 1);
|
|
}
|
|
else {
|
|
path = imagepath + path;
|
|
}
|
|
}
|
|
Write(HtmlTags.URL, path);
|
|
if ((image.Alignment & Image.RIGHT_ALIGN) > 0) {
|
|
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_RIGHT);
|
|
}
|
|
else if ((image.Alignment & Image.MIDDLE_ALIGN) > 0) {
|
|
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_MIDDLE);
|
|
}
|
|
else {
|
|
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_LEFT);
|
|
}
|
|
if (image.Alt != null) {
|
|
Write(HtmlTags.ALT, image.Alt);
|
|
}
|
|
Write(HtmlTags.PLAINWIDTH, image.ScaledWidth.ToString());
|
|
Write(HtmlTags.PLAINHEIGHT, image.ScaledHeight.ToString());
|
|
WriteMarkupAttributes(markup);
|
|
WriteEnd();
|
|
return;
|
|
}
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Writes the HTML representation of a section.
|
|
*
|
|
* @param section the section to write
|
|
* @param indent the indentation
|
|
*/
|
|
|
|
protected void WriteSection(Section section, int indent) {
|
|
if (section.Title != null) {
|
|
int depth = section.Depth - 1;
|
|
if (depth > 5) {
|
|
depth = 5;
|
|
}
|
|
Properties styleAttributes = new Properties();
|
|
if (section.Title.HasLeading()) styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = section.Title.TotalLeading.ToString() + "pt";
|
|
// start tag
|
|
AddTabs(indent);
|
|
WriteStart(HtmlTags.H[depth]);
|
|
Write(section.Title.Font, styleAttributes);
|
|
String alignment = HtmlEncoder.GetAlignment(section.Title.Alignment);
|
|
if (!"".Equals(alignment)) {
|
|
Write(HtmlTags.ALIGN, alignment);
|
|
}
|
|
WriteMarkupAttributes(markup);
|
|
os.WriteByte(GT);
|
|
currentfont.Push(section.Title.Font);
|
|
// contents
|
|
foreach (IElement i in section.Title) {
|
|
Write(i, indent + 1);
|
|
}
|
|
// end tag
|
|
AddTabs(indent);
|
|
WriteEnd(HtmlTags.H[depth]);
|
|
currentfont.Pop();
|
|
}
|
|
foreach (IElement i in section) {
|
|
Write(i, indent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Writes the representation of a <CODE>Font</CODE>.
|
|
*
|
|
* @param font a <CODE>Font</CODE>
|
|
* @param styleAttributes the style of the font
|
|
*/
|
|
|
|
protected void Write(Font font, Properties styleAttributes) {
|
|
if (font == null || !IsOtherFont(font) /*|| styleAttributes == null*/) return;
|
|
Write(" ");
|
|
Write(HtmlTags.STYLE);
|
|
Write("=\"");
|
|
if (styleAttributes != null) {
|
|
foreach (String key in styleAttributes.Keys) {
|
|
WriteCssProperty(key, styleAttributes[key]);
|
|
}
|
|
}
|
|
if (IsOtherFont(font)) {
|
|
WriteCssProperty(Markup.CSS_KEY_FONTFAMILY, font.Familyname);
|
|
|
|
if (font.Size != Font.UNDEFINED) {
|
|
WriteCssProperty(Markup.CSS_KEY_FONTSIZE, font.Size.ToString() + "pt");
|
|
}
|
|
if (font.Color != null) {
|
|
WriteCssProperty(Markup.CSS_KEY_COLOR, HtmlEncoder.Encode(font.Color));
|
|
}
|
|
|
|
int fontstyle = font.Style;
|
|
BaseFont bf = font.BaseFont;
|
|
if (bf != null) {
|
|
String ps = bf.PostscriptFontName.ToLower(CultureInfo.InvariantCulture);
|
|
if (ps.IndexOf("bold") >= 0) {
|
|
if (fontstyle == Font.UNDEFINED)
|
|
fontstyle = 0;
|
|
fontstyle |= Font.BOLD;
|
|
}
|
|
if (ps.IndexOf("italic") >= 0 || ps.IndexOf("oblique") >= 0) {
|
|
if (fontstyle == Font.UNDEFINED)
|
|
fontstyle = 0;
|
|
fontstyle |= Font.ITALIC;
|
|
}
|
|
}
|
|
if (fontstyle != Font.UNDEFINED && fontstyle != Font.NORMAL) {
|
|
switch (fontstyle & Font.BOLDITALIC) {
|
|
case Font.BOLD:
|
|
WriteCssProperty(Markup.CSS_KEY_FONTWEIGHT, Markup.CSS_VALUE_BOLD);
|
|
break;
|
|
case Font.ITALIC:
|
|
WriteCssProperty(Markup.CSS_KEY_FONTSTYLE, Markup.CSS_VALUE_ITALIC);
|
|
break;
|
|
case Font.BOLDITALIC:
|
|
WriteCssProperty(Markup.CSS_KEY_FONTWEIGHT, Markup.CSS_VALUE_BOLD);
|
|
WriteCssProperty(Markup.CSS_KEY_FONTSTYLE, Markup.CSS_VALUE_ITALIC);
|
|
break;
|
|
}
|
|
|
|
// CSS only supports one decoration tag so if both are specified
|
|
// only one of the two will display
|
|
if ((fontstyle & Font.UNDERLINE) > 0) {
|
|
WriteCssProperty(Markup.CSS_KEY_TEXTDECORATION, Markup.CSS_VALUE_UNDERLINE);
|
|
}
|
|
if ((fontstyle & Font.STRIKETHRU) > 0) {
|
|
WriteCssProperty(Markup.CSS_KEY_TEXTDECORATION, Markup.CSS_VALUE_LINETHROUGH);
|
|
}
|
|
}
|
|
}
|
|
Write("\"");
|
|
}
|
|
|
|
/**
|
|
* Writes out a CSS property.
|
|
*/
|
|
protected void WriteCssProperty(String prop, String value) {
|
|
Write(new StringBuilder(prop).Append(": ").Append(value).Append("; ").ToString());
|
|
}
|
|
}
|
|
} |