/*
* $Id$
*
* Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU LIBRARY GENERAL PUBLIC LICENSE for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.html;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;
import java.util.EmptyStackException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Properties;
import java.util.Stack;
import com.lowagie.text.error_messages.MessageLocalization;
import com.lowagie.text.Anchor;
import com.lowagie.text.Annotation;
import com.lowagie.text.BadElementException;
import com.lowagie.text.Cell;
import com.lowagie.text.Chunk;
import com.lowagie.text.DocWriter;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Font;
import com.lowagie.text.Header;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.Image;
import com.lowagie.text.List;
import com.lowagie.text.ListItem;
import com.lowagie.text.MarkedObject;
import com.lowagie.text.MarkedSection;
import com.lowagie.text.Meta;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.Row;
import com.lowagie.text.Section;
import com.lowagie.text.SimpleTable;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
/**
* A <CODE>DocWriter</CODE> class for HTML.
* <P>
* An <CODE>HtmlWriter</CODE> can be added as a <CODE>DocListener</CODE>
* to a certain <CODE>Document</CODE> by getting an instance.
* Every <CODE>Element</CODE> added to the original <CODE>Document</CODE>
* will be written to the <CODE>OutputStream</CODE> of this <CODE>HtmlWriter</CODE>.
* <P>
* Example:
* <BLOCKQUOTE><PRE>
* // creation of the document with a certain size and certain margins
* Document document = new Document(PageSize.A4, 50, 50, 50, 50);
* try {
* // this will write HTML to the Standard OutputStream
* <STRONG>HtmlWriter.getInstance(document, System.out);</STRONG>
* // this will write HTML to a file called text.html
* <STRONG>HtmlWriter.getInstance(document, new FileOutputStream("text.html"));</STRONG>
* // this will write HTML to for instance the OutputStream of a HttpServletResponse-object
* <STRONG>HtmlWriter.getInstance(document, response.getOutputStream());</STRONG>
* }
* catch(DocumentException de) {
* System.err.println(de.getMessage());
* }
* // this will close the document and all the OutputStreams listening to it
* <STRONG>document.close();</CODE>
* </PRE></BLOCKQUOTE>
*/
public class HtmlWriter extends DocWriter {
// static membervariables (tags)
/** This is a possible HTML-tag. */
public static final byte[] BEGINCOMMENT = getISOBytes("<!-- ");
/** This is a possible HTML-tag. */
public static final byte[] ENDCOMMENT = getISOBytes(" -->");
/** This is a possible HTML-tag. */
public static final String NBSP = " ";
// membervariables
/** This is the current font of the HTML. */
protected Stack currentfont = new Stack();
/** This is the standard font of the HTML. */
protected Font standardfont = new Font();
/** This is a path for images. */
protected String imagepath = null;
/** Stores the page number. */
protected int pageN = 0;
/** This is the textual part of a header */
protected HeaderFooter header = null;
/** This is the textual part of the footer */
protected HeaderFooter footer = null;
/** Store the markup properties of a MarkedObject. */
protected Properties markup = new Properties();
// constructor
/**
* Constructs a <CODE>HtmlWriter</CODE>.
*
* @param doc The <CODE>Document</CODE> that has to be written as HTML
* @param os The <CODE>OutputStream</CODE> the writer has to write to.
*/
protected HtmlWriter(Document doc, OutputStream os) {
super(doc, os);
document.addDocListener(this);
this.pageN = document.getPageNumber();
try {
os.write(LT);
os.write(getISOBytes(HtmlTags.HTML));
os.write(GT);
os.write(NEWLINE);
os.write(TAB);
os.write(LT);
os.write(getISOBytes(HtmlTags.HEAD));
os.write(GT);
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
// get an instance of the HtmlWriter
/**
* Gets an instance of the <CODE>HtmlWriter</CODE>.
*
* @param document The <CODE>Document</CODE> that has to be written
* @param os The <CODE>OutputStream</CODE> the writer has to write to.
* @return a new <CODE>HtmlWriter</CODE>
*/
public static HtmlWriter getInstance(Document document, OutputStream os) {
return new HtmlWriter(document, os);
}
// implementation of the DocListener methods
/**
* Signals that an new page has to be started.
*
* @return <CODE>true</CODE> if this action succeeded, <CODE>false</CODE> if not.
*/
public boolean newPage() {
try {
writeStart(HtmlTags.DIV);
write(" ");
write(HtmlTags.STYLE);
write("=\"");
writeCssProperty(Markup.CSS_KEY_PAGE_BREAK_BEFORE, Markup.CSS_VALUE_ALWAYS);
write("\" /");
os.write(GT);
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
return true;
}
/**
* Signals that an <CODE>Element</CODE> was added to the <CODE>Document</CODE>.
*
* @param element a high level object that has to be translated to HTML
* @return <CODE>true</CODE> if the element was added, <CODE>false</CODE> if not.
* @throws DocumentException when a document isn't open yet, or has been closed
*/
public boolean add(Element element) throws DocumentException {
if (pause) {
return false;
}
if (open && !element.isContent()) {
throw new DocumentException(MessageLocalization.getComposedMessage("the.document.is.open.you.can.only.add.elements.with.content"));
}
try {
switch(element.type()) {
case Element.HEADER:
try {
Header h = (Header) element;
if (HtmlTags.STYLESHEET.equals(h.getName())) {
writeLink(h);
}
else if (HtmlTags.JAVASCRIPT.equals(h.getName())) {
writeJavaScript(h);
}
else {
writeHeader(h);
}
}
catch(ClassCastException cce) {
}
return true;
case Element.SUBJECT:
case Element.KEYWORDS:
case Element.AUTHOR:
Meta meta = (Meta) element;
writeHeader(meta);
return true;
case Element.TITLE:
addTabs(2);
writeStart(HtmlTags.TITLE);
os.write(GT);
addTabs(3);
write(HtmlEncoder.encode(((Meta)element).getContent()));
addTabs(2);
writeEnd(HtmlTags.TITLE);
return true;
case Element.CREATOR:
writeComment("Creator: " + HtmlEncoder.encode(((Meta)element).getContent()));
return true;
case Element.PRODUCER:
writeComment("Producer: " + HtmlEncoder.encode(((Meta)element).getContent()));
return true;
case Element.CREATIONDATE:
writeComment("Creationdate: " + HtmlEncoder.encode(((Meta)element).getContent()));
return true;
case Element.MARKED:
if (element instanceof MarkedSection) {
MarkedSection ms = (MarkedSection)element;
addTabs(1);
writeStart(HtmlTags.DIV);
writeMarkupAttributes(ms.getMarkupAttributes());
os.write(GT);
MarkedObject mo = ((MarkedSection)element).getTitle();
if (mo != null) {
markup = mo.getMarkupAttributes();
mo.process(this);
}
ms.process(this);
writeEnd(HtmlTags.DIV);
return true;
}
else {
MarkedObject mo = (MarkedObject) element;
markup = mo.getMarkupAttributes();
return mo.process(this);
}
default:
write(element, 2);
return true;
}
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
/**
* Signals that the <CODE>Document</CODE> has been opened and that
* <CODE>Elements</CODE> can be added.
* <P>
* The <CODE>HEAD</CODE>-section of the HTML-document is written.
*/
public void open() {
super.open();
try {
writeComment(Document.getVersion());
writeComment("CreationDate: " + new Date().toString());
addTabs(1);
writeEnd(HtmlTags.HEAD);
addTabs(1);
writeStart(HtmlTags.BODY);
if (document.leftMargin() > 0) {
write(HtmlTags.LEFTMARGIN, String.valueOf(document.leftMargin()));
}
if (document.rightMargin() > 0) {
write(HtmlTags.RIGHTMARGIN, String.valueOf(document.rightMargin()));
}
if (document.topMargin() > 0) {
write(HtmlTags.TOPMARGIN, String.valueOf(document.topMargin()));
}
if (document.bottomMargin() > 0) {
write(HtmlTags.BOTTOMMARGIN, String.valueOf(document.bottomMargin()));
}
if (pageSize.getBackgroundColor() != null) {
write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.encode(pageSize.getBackgroundColor()));
}
if (document.getJavaScript_onLoad() != null) {
write(HtmlTags.JAVASCRIPT_ONLOAD, HtmlEncoder.encode(document.getJavaScript_onLoad()));
}
if (document.getJavaScript_onUnLoad() != null) {
write(HtmlTags.JAVASCRIPT_ONUNLOAD, HtmlEncoder.encode(document.getJavaScript_onUnLoad()));
}
if (document.getHtmlStyleClass() != null) {
write(Markup.HTML_ATTR_CSS_CLASS, document.getHtmlStyleClass());
}
os.write(GT);
initHeader(); // line added by David Freels
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
/**
* Signals that the <CODE>Document</CODE> was closed and that no other
* <CODE>Elements</CODE> will be added.
*/
public void close() {
try {
initFooter(); // line added by David Freels
addTabs(1);
writeEnd(HtmlTags.BODY);
os.write(NEWLINE);
writeEnd(HtmlTags.HTML);
super.close();
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
// some protected methods
/**
* Adds the header to the top of the </CODE>Document</CODE>
*/
protected void initHeader() {
if (header != null) {
try {
add(header.paragraph());
}
catch(Exception e) {
throw new ExceptionConverter(e);
}
}
}
/**
* Adds the header to the top of the </CODE>Document</CODE>
*/
protected void initFooter() {
if (footer != null) {
try {
// Set the page number. HTML has no notion of a page, so it should always
// add up to 1
footer.setPageNumber(pageN + 1);
add(footer.paragraph());
}
catch(Exception e) {
throw new ExceptionConverter(e);
}
}
}
/**
* Writes a Metatag in the header.
*
* @param meta the element that has to be written
* @throws IOException
*/
protected void writeHeader(Meta meta) throws IOException {
addTabs(2);
writeStart(HtmlTags.META);
switch(meta.type()) {
case Element.HEADER:
write(HtmlTags.NAME, ((Header) meta).getName());
break;
case Element.SUBJECT:
write(HtmlTags.NAME, HtmlTags.SUBJECT);
break;
case Element.KEYWORDS:
write(HtmlTags.NAME, HtmlTags.KEYWORDS);
break;
case Element.AUTHOR:
write(HtmlTags.NAME, HtmlTags.AUTHOR);
break;
}
write(HtmlTags.CONTENT, HtmlEncoder.encode(meta.getContent()));
writeEnd();
}
/**
* Writes a link in the header.
*
* @param header the element that has to be written
* @throws IOException
*/
protected void writeLink(Header header) throws IOException {
addTabs(2);
writeStart(HtmlTags.LINK);
write(HtmlTags.REL, header.getName());
write(HtmlTags.TYPE, HtmlTags.TEXT_CSS);
write(HtmlTags.REFERENCE, header.getContent());
writeEnd();
}
/**
* Writes a JavaScript section or, if the markup attribute HtmlTags.URL is set, a JavaScript reference in the header.
*
* @param header the element that has to be written
* @throws IOException
*/
protected void writeJavaScript(Header header) throws IOException {
addTabs(2);
writeStart(HtmlTags.SCRIPT);
write(HtmlTags.LANGUAGE, HtmlTags.JAVASCRIPT);
if (markup.size() > 0) {
/* JavaScript reference example:
*
* <script language="JavaScript" src="/myPath/MyFunctions.js"/>
*/
writeMarkupAttributes(markup);
os.write(GT);
writeEnd(HtmlTags.SCRIPT);
}
else {
/* JavaScript coding convention:
*
* <script language="JavaScript" type="text/javascript">
* <!--
* // ... JavaScript methods ...
* //-->
* </script>
*/
write(HtmlTags.TYPE, Markup.HTML_VALUE_JAVASCRIPT);
os.write(GT);
addTabs(2);
write(new String(BEGINCOMMENT) + "\n");
write(header.getContent());
addTabs(2);
write("//" + new String(ENDCOMMENT));
addTabs(2);
writeEnd(HtmlTags.SCRIPT);
}
}
/**
* Writes some comment.
* <P>
* This method writes some comment.
*
* @param comment the comment that has to be written
* @throws IOException
*/
protected void writeComment(String comment) throws IOException {
addTabs(2);
os.write(BEGINCOMMENT);
write(comment);
os.write(ENDCOMMENT);
}
// public methods
/**
* Changes the standardfont.
*
* @param standardfont The font
*/
public void setStandardFont(Font standardfont) {
this.standardfont = standardfont;
}
/**
* Checks if a given font is the same as the font that was last used.
*
* @param font the font of an object
* @return true if the font differs
*/
public boolean isOtherFont(Font font) {
try {
Font cFont = (Font) currentfont.peek();
if (cFont.compareTo(font) == 0) return false;
return true;
}
catch(EmptyStackException ese) {
if (standardfont.compareTo(font) == 0) return false;
return true;
}
}
/**
* Sets the basepath for images.
* <P>
* This is especially useful if you add images using a file,
* rather than an URL. In PDF there is no problem, since
* the images are added inline, but in HTML it is sometimes
* necessary to use a relative path or a special path to some
* images directory.
*
* @param imagepath the new imagepath
*/
public void setImagepath(String imagepath) {
this.imagepath = imagepath;
}
/**
* Resets the imagepath.
*/
public void resetImagepath() {
imagepath = null;
}
/**
* Changes the header of this document.
*
* @param header the new header
*/
public void setHeader(HeaderFooter header) {
this.header = header;
}
/**
* Changes the footer of this document.
*
* @param footer the new footer
*/
public void setFooter(HeaderFooter footer) {
this.footer = footer;
}
/**
* Signals that a <CODE>String</CODE> was added to the <CODE>Document</CODE>.
*
* @param string a String to add to the HTML
* @return <CODE>true</CODE> if the string was added, <CODE>false</CODE> if not.
*/
public boolean add(String string) {
if (pause) {
return false;
}
try
{
write(string);
return true;
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
/**
* Writes the HTML representation of an element.
*
* @param element the element
* @param indent the indentation
* @throws IOException
*/
protected void write(Element element, int indent) throws IOException {
Properties styleAttributes = null;
switch(element.type()) {
case Element.MARKED: {
try {
add(element);
} catch (DocumentException e) {
e.printStackTrace();
}
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;
HashMap attributes = chunk.getAttributes();
if (attributes != null && attributes.get(Chunk.NEWPAGE) != null) {
return;
}
boolean tag = isOtherFont(chunk.getFont()) || markup.size() > 0;
if (tag) {
// start span tag
addTabs(indent);
writeStart(HtmlTags.SPAN);
if (isOtherFont(chunk.getFont())) {
write(chunk.getFont(), null);
}
writeMarkupAttributes(markup);
os.write(GT);
}
if (attributes != null && attributes.get(Chunk.SUBSUPSCRIPT) != null) {
// start sup or sub tag
if (((Float)attributes.get(Chunk.SUBSUPSCRIPT)).floatValue() > 0) {
writeStart(HtmlTags.SUP);
}
else {
writeStart(HtmlTags.SUB);
}
os.write(GT);
}
// contents
write(HtmlEncoder.encode(chunk.getContent()));
if (attributes != null && attributes.get(Chunk.SUBSUPSCRIPT) != null) {
// end sup or sub tag
os.write(LT);
os.write(FORWARD);
if (((Float)attributes.get(Chunk.SUBSUPSCRIPT)).floatValue() > 0) {
write(HtmlTags.SUP);
}
else {
write(HtmlTags.SUB);
}
os.write(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.setProperty(Markup.CSS_KEY_LINEHEIGHT, phrase.getLeading() + "pt");
// start tag
addTabs(indent);
writeStart(Markup.HTML_TAG_SPAN);
writeMarkupAttributes(markup);
write(phrase.getFont(), styleAttributes);
os.write(GT);
currentfont.push(phrase.getFont());
// contents
for (Iterator i = phrase.iterator(); i.hasNext(); ) {
write((Element) i.next(), 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.setProperty(Markup.CSS_KEY_LINEHEIGHT, anchor.getLeading() + "pt");
// start tag
addTabs(indent);
writeStart(HtmlTags.ANCHOR);
if (anchor.getName() != null) {
write(HtmlTags.NAME, anchor.getName());
}
if (anchor.getReference() != null) {
write(HtmlTags.REFERENCE, anchor.getReference());
}
writeMarkupAttributes(markup);
write(anchor.getFont(), styleAttributes);
os.write(GT);
currentfont.push(anchor.getFont());
// contents
for (Iterator i = anchor.iterator(); i.hasNext(); ) {
write((Element) i.next(), 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.setProperty(Markup.CSS_KEY_LINEHEIGHT, paragraph.getTotalLeading() + "pt");
// start tag
addTabs(indent);
writeStart(HtmlTags.DIV);
writeMarkupAttributes(markup);
String alignment = HtmlEncoder.getAlignment(paragraph.getAlignment());
if (!"".equals(alignment)) {
write(HtmlTags.ALIGN, alignment);
}
write(paragraph.getFont(), styleAttributes);
os.write(GT);
currentfont.push(paragraph.getFont());
// contents
for (Iterator i = paragraph.iterator(); i.hasNext(); ) {
write((Element)i.next(), 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.isNumbered()) {
writeStart(HtmlTags.ORDEREDLIST);
}
else {
writeStart(HtmlTags.UNORDEREDLIST);
}
writeMarkupAttributes(markup);
os.write(GT);
// contents
for (Iterator i = list.getItems().iterator(); i.hasNext(); ) {
write((Element) i.next(), indent + 1);
}
// end tag
addTabs(indent);
if (list.isNumbered()) {
writeEnd(HtmlTags.ORDEREDLIST);
}
else {
writeEnd(HtmlTags.UNORDEREDLIST);
}
return;
}
case Element.LISTITEM:
{
ListItem listItem = (ListItem) element;
styleAttributes = new Properties();
if (listItem.hasLeading()) styleAttributes.setProperty(Markup.CSS_KEY_LINEHEIGHT, listItem.getTotalLeading() + "pt");
// start tag
addTabs(indent);
writeStart(HtmlTags.LISTITEM);
writeMarkupAttributes(markup);
write(listItem.getFont(), styleAttributes);
os.write(GT);
currentfont.push(listItem.getFont());
// contents
for (Iterator i = listItem.iterator(); i.hasNext(); ) {
write((Element) i.next(), 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.isHeader()) {
writeStart(HtmlTags.HEADERCELL);
}
else {
writeStart(HtmlTags.CELL);
}
writeMarkupAttributes(markup);
if (cell.getBorderWidth() != Rectangle.UNDEFINED) {
write(HtmlTags.BORDERWIDTH, String.valueOf(cell.getBorderWidth()));
}
if (cell.getBorderColor() != null) {
write(HtmlTags.BORDERCOLOR, HtmlEncoder.encode(cell.getBorderColor()));
}
if (cell.getBackgroundColor() != null) {
write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.encode(cell.getBackgroundColor()));
}
String alignment = HtmlEncoder.getAlignment(cell.getHorizontalAlignment());
if (!"".equals(alignment)) {
write(HtmlTags.HORIZONTALALIGN, alignment);
}
alignment = HtmlEncoder.getAlignment(cell.getVerticalAlignment());
if (!"".equals(alignment)) {
write(HtmlTags.VERTICALALIGN, alignment);
}
if (cell.getWidthAsString() != null) {
write(HtmlTags.WIDTH, cell.getWidthAsString());
}
if (cell.getColspan() != 1) {
write(HtmlTags.COLSPAN, String.valueOf(cell.getColspan()));
}
if (cell.getRowspan() != 1) {
write(HtmlTags.ROWSPAN, String.valueOf(cell.getRowspan()));
}
if (cell.getMaxLines() == 1) {
write(HtmlTags.STYLE, "white-space: nowrap;");
}
os.write(GT);
// contents
if (cell.isEmpty()) {
write(NBSP);
} else {
for (Iterator i = cell.getElements(); i.hasNext(); ) {
write((Element) i.next(), indent + 1);
}
}
// end tag
addTabs(indent);
if (cell.isHeader()) {
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.write(GT);
// contents
Element cell;
for (int i = 0; i < row.getColumns(); i++) {
if ((cell = (Element)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(ClassCastException cce) {
try {
table = ((SimpleTable)element).createTable();
} catch (BadElementException e) {
throw new ExceptionConverter(e);
}
}
table.complete();
// start tag
addTabs(indent);
writeStart(HtmlTags.TABLE);
writeMarkupAttributes(markup);
os.write(SPACE);
write(HtmlTags.WIDTH);
os.write(EQUALS);
os.write(QUOTE);
write(String.valueOf(table.getWidth()));
if (!table.isLocked()){
write("%");
}
os.write(QUOTE);
String alignment = HtmlEncoder.getAlignment(table.getAlignment());
if (!"".equals(alignment)) {
write(HtmlTags.ALIGN, alignment);
}
write(HtmlTags.CELLPADDING, String.valueOf(table.getPadding()));
write(HtmlTags.CELLSPACING, String.valueOf(table.getSpacing()));
if (table.getBorderWidth() != Rectangle.UNDEFINED) {
write(HtmlTags.BORDERWIDTH, String.valueOf(table.getBorderWidth()));
}
if (table.getBorderColor() != null) {
write(HtmlTags.BORDERCOLOR, HtmlEncoder.encode(table.getBorderColor()));
}
if (table.getBackgroundColor() != null) {
write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.encode(table.getBackgroundColor()));
}
os.write(GT);
// contents
Row row;
for (Iterator iterator = table.iterator(); iterator.hasNext(); ) {
row = (Row) iterator.next();
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.getUrl() == null) {
return;
}
// start tag
addTabs(indent);
writeStart(HtmlTags.IMAGE);
String path = image.getUrl().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.getAlignment() & Image.RIGHT) > 0) {
write(HtmlTags.ALIGN, HtmlTags.ALIGN_RIGHT);
}
else if ((image.getAlignment() & Image.MIDDLE) > 0) {
write(HtmlTags.ALIGN, HtmlTags.ALIGN_MIDDLE);
}
else {
write(HtmlTags.ALIGN, HtmlTags.ALIGN_LEFT);
}
if (image.getAlt() != null) {
write(HtmlTags.ALT, image.getAlt());
}
write(HtmlTags.PLAINWIDTH, String.valueOf(image.getScaledWidth()));
write(HtmlTags.PLAINHEIGHT, String.valueOf(image.getScaledHeight()));
writeMarkupAttributes(markup);
writeEnd();
return;
}
default:
return;
}
}
/**
* Writes the HTML representation of a section.
*
* @param section the section to write
* @param indent the indentation
* @throws IOException
*/
protected void writeSection(Section section, int indent) throws IOException {
if (section.getTitle() != null) {
int depth = section.getDepth() - 1;
if (depth > 5) {
depth = 5;
}
Properties styleAttributes = new Properties();
if (section.getTitle().hasLeading()) styleAttributes.setProperty(Markup.CSS_KEY_LINEHEIGHT, section.getTitle().getTotalLeading() + "pt");
// start tag
addTabs(indent);
writeStart(HtmlTags.H[depth]);
write(section.getTitle().getFont(), styleAttributes);
String alignment = HtmlEncoder.getAlignment(section.getTitle().getAlignment());
if (!"".equals(alignment)) {
write(HtmlTags.ALIGN, alignment);
}
writeMarkupAttributes(markup);
os.write(GT);
currentfont.push(section.getTitle().getFont());
// contents
for (Iterator i = section.getTitle().iterator(); i.hasNext(); ) {
write((Element)i.next(), indent + 1);
}
// end tag
addTabs(indent);
writeEnd(HtmlTags.H[depth]);
currentfont.pop();
}
for (Iterator i = section.iterator(); i.hasNext(); ) {
write((Element) i.next(), indent);
}
}
/**
* Writes the representation of a <CODE>Font</CODE>.
*
* @param font a <CODE>Font</CODE>
* @param styleAttributes the style of the font
* @throws IOException
*/
protected void write(Font font, Properties styleAttributes) throws IOException {
if (font == null || !isOtherFont(font) /* || styleAttributes == null*/) return;
write(" ");
write(HtmlTags.STYLE);
write("=\"");
if (styleAttributes != null) {
String key;
for (Enumeration e = styleAttributes.propertyNames(); e.hasMoreElements(); ) {
key = (String)e.nextElement();
writeCssProperty(key, styleAttributes.getProperty(key));
}
}
if (isOtherFont(font)) {
writeCssProperty(Markup.CSS_KEY_FONTFAMILY, font.getFamilyname());
if (font.getSize() != Font.UNDEFINED) {
writeCssProperty(Markup.CSS_KEY_FONTSIZE, font.getSize() + "pt");
}
if (font.getColor() != null) {
writeCssProperty(Markup.CSS_KEY_COLOR, HtmlEncoder.encode(font.getColor()));
}
int fontstyle = font.getStyle();
BaseFont bf = font.getBaseFont();
if (bf != null) {
String ps = bf.getPostscriptFontName().toLowerCase();
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.
* @param prop a CSS property
* @param value the value of the CSS property
* @throws IOException
*/
protected void writeCssProperty(String prop, String value) throws IOException {
write(new StringBuffer(prop).append(": ").append(value).append("; ").toString());
}
}