/*
* $Id$
*
* Copyright 2001, 2002, 2003, 2004 by Mark Hall
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.headerfooter;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.DocWriter;
import com.lowagie.text.DocumentException;
import com.lowagie.text.LwgElement;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.LwgImage;
import com.lowagie.text.Paragraph;
import com.lowagie.text.LwgPhrase;
import com.lowagie.text.Table;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.document.RtfDocument;
import com.lowagie.text.rtf.field.RtfPageNumber;
/**
* The RtfHeaderFooter represents one header or footer. This class can be used
* directly.
*
* @version $Id$
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
* @author Thomas Bickel (tmb99@inode.at)
*/
public class RtfHeaderFooter extends HeaderFooter implements RtfBasicElement {
/**
* Constant for the header type
*/
public static final int TYPE_HEADER = 1;
/**
* Constant for the footer type
*/
public static final int TYPE_FOOTER = 2;
/**
* Constant for displaying the header/footer on the first page
*/
public static final int DISPLAY_FIRST_PAGE = 0;
/**
* Constant for displaying the header/footer on all pages
*/
public static final int DISPLAY_ALL_PAGES = 1;
/**
* Constant for displaying the header/footer on all left hand pages
*/
public static final int DISPLAY_LEFT_PAGES = 2;
/**
* Constant for displaying the header/footer on all right hand pages
*/
public static final int DISPLAY_RIGHT_PAGES = 4;
/**
* Constant for a header on all pages
*/
private static final byte[] HEADER_ALL = DocWriter.getISOBytes("\\header");
/**
* Constant for a header on the first page
*/
private static final byte[] HEADER_FIRST = DocWriter.getISOBytes("\\headerf");
/**
* Constant for a header on all left hand pages
*/
private static final byte[] HEADER_LEFT = DocWriter.getISOBytes("\\headerl");
/**
* Constant for a header on all right hand pages
*/
private static final byte[] HEADER_RIGHT = DocWriter.getISOBytes("\\headerr");
/**
* Constant for a footer on all pages
*/
private static final byte[] FOOTER_ALL = DocWriter.getISOBytes("\\footer");
/**
* Constant for a footer on the first page
*/
private static final byte[] FOOTER_FIRST = DocWriter.getISOBytes("\\footerf");
/**
* Constant for a footer on the left hand pages
*/
private static final byte[] FOOTER_LEFT = DocWriter.getISOBytes("\\footerl");
/**
* Constant for a footer on the right hand pages
*/
private static final byte[] FOOTER_RIGHT = DocWriter.getISOBytes("\\footerr");
/**
* The RtfDocument this RtfHeaderFooter belongs to
*/
private RtfDocument document = null;
/**
* The content of this RtfHeaderFooter
*/
private Object[] content = null;
/**
* The display type of this RtfHeaderFooter. TYPE_HEADER or TYPE_FOOTER
*/
private int type = TYPE_HEADER;
/**
* The display location of this RtfHeaderFooter. DISPLAY_FIRST_PAGE,
* DISPLAY_LEFT_PAGES, DISPLAY_RIGHT_PAGES or DISPLAY_ALL_PAGES
*/
private int displayAt = DISPLAY_ALL_PAGES;
/**
* Constructs a RtfHeaderFooter based on a HeaderFooter with a certain type and displayAt
* location. For internal use only.
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The HeaderFooter to base this RtfHeaderFooter on
* @param type The type of RtfHeaderFooter
* @param displayAt The display location of this RtfHeaderFooter
*/
protected RtfHeaderFooter(RtfDocument doc, HeaderFooter headerFooter, int type, int displayAt) {
super(new LwgPhrase(""), false);
this.document = doc;
this.type = type;
this.displayAt = displayAt;
Paragraph par = new Paragraph();
par.setAlignment(headerFooter.alignment());
if (headerFooter.getBefore() != null) {
par.add(headerFooter.getBefore());
}
if (headerFooter.isNumbered()) {
par.add(new RtfPageNumber(this.document));
}
if (headerFooter.getAfter() != null) {
par.add(headerFooter.getAfter());
}
try {
this.content = new Object[1];
if(this.document != null) {
this.content[0] = this.document.getMapper().mapElement(par)[0];
((RtfBasicElement) this.content[0]).setInHeader(true);
} else {
this.content[0] = par;
}
} catch(DocumentException de) {
de.printStackTrace();
}
}
/**
* Constructs a RtfHeaderFooter as a copy of an existing RtfHeaderFooter.
* For internal use only.
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The RtfHeaderFooter to copy
* @param displayAt The display location of this RtfHeaderFooter
*/
protected RtfHeaderFooter(RtfDocument doc, RtfHeaderFooter headerFooter, int displayAt) {
super(new LwgPhrase(""), false);
this.document = doc;
this.content = headerFooter.getContent();
this.displayAt = displayAt;
for(int i = 0; i < this.content.length; i++) {
if(this.content[i] instanceof LwgElement) {
try {
this.content[i] = this.document.getMapper().mapElement((LwgElement) this.content[i])[0];
} catch(DocumentException de) {
de.printStackTrace();
}
}
if(this.content[i] instanceof RtfBasicElement) {
((RtfBasicElement) this.content[i]).setInHeader(true);
}
}
}
/**
* Constructs a RtfHeaderFooter for a HeaderFooter.
*
* @param doc The RtfDocument this RtfHeaderFooter belongs to
* @param headerFooter The HeaderFooter to base this RtfHeaderFooter on
*/
protected RtfHeaderFooter(RtfDocument doc, HeaderFooter headerFooter) {
super(new LwgPhrase(""), false);
this.document = doc;
Paragraph par = new Paragraph();
par.setAlignment(headerFooter.alignment());
if (headerFooter.getBefore() != null) {
par.add(headerFooter.getBefore());
}
if (headerFooter.isNumbered()) {
par.add(new RtfPageNumber(this.document));
}
if (headerFooter.getAfter() != null) {
par.add(headerFooter.getAfter());
}
try {
this.content = new Object[1];
this.content[0] = doc.getMapper().mapElement(par)[0];
((RtfBasicElement) this.content[0]).setInHeader(true);
} catch(DocumentException de) {
de.printStackTrace();
}
}
/**
* Constructs a RtfHeaderFooter for any Element.
*
* @param element The Element to display as content of this RtfHeaderFooter
*/
public RtfHeaderFooter(LwgElement element) {
this(new LwgElement[]{element});
}
/**
* Constructs a RtfHeaderFooter for an array of Elements.
*
* @param elements The Elements to display as the content of this RtfHeaderFooter.
*/
public RtfHeaderFooter(LwgElement[] elements) {
super(new LwgPhrase(""), false);
this.content = new Object[elements.length];
for(int i = 0; i < elements.length; i++) {
this.content[i] = elements[i];
}
}
/**
* Sets the RtfDocument this RtfElement belongs to
*
* @param doc The RtfDocument to use
*/
public void setRtfDocument(RtfDocument doc) {
this.document = doc;
if(this.document != null) {
for(int i = 0; i < this.content.length; i++) {
try {
if(this.content[i] instanceof LwgElement) {
this.content[i] = this.document.getMapper().mapElement((LwgElement) this.content[i])[0];
((RtfBasicElement) this.content[i]).setInHeader(true);
} else if(this.content[i] instanceof RtfBasicElement){
((RtfBasicElement) this.content[i]).setRtfDocument(this.document);
((RtfBasicElement) this.content[i]).setInHeader(true);
}
} catch(DocumentException de) {
de.printStackTrace();
}
}
}
}
/**
* Writes the content of this RtfHeaderFooter
*/
public void writeContent(final OutputStream result) throws IOException
{
result.write(OPEN_GROUP);
if(this.type == TYPE_HEADER) {
if(this.displayAt == DISPLAY_ALL_PAGES) {
result.write(HEADER_ALL);
} else if(this.displayAt == DISPLAY_FIRST_PAGE) {
result.write(HEADER_FIRST);
} else if(this.displayAt == DISPLAY_LEFT_PAGES) {
result.write(HEADER_LEFT);
} else if(this.displayAt == DISPLAY_RIGHT_PAGES) {
result.write(HEADER_RIGHT);
}
} else {
if(this.displayAt == DISPLAY_ALL_PAGES) {
result.write(FOOTER_ALL);
} else if(this.displayAt == DISPLAY_FIRST_PAGE) {
result.write(FOOTER_FIRST);
} else if(this.displayAt == DISPLAY_LEFT_PAGES) {
result.write(FOOTER_LEFT);
} else if(this.displayAt == DISPLAY_RIGHT_PAGES) {
result.write(FOOTER_RIGHT);
}
}
result.write(DELIMITER);
for(int i = 0; i < this.content.length; i++) {
if(this.content[i] instanceof RtfBasicElement) {
RtfBasicElement rbe = (RtfBasicElement)this.content[i];
rbe.writeContent(result);
}
}
result.write(CLOSE_GROUP);
}
/**
* Sets the display location of this RtfHeaderFooter
*
* @param displayAt The display location to use.
*/
public void setDisplayAt(int displayAt) {
this.displayAt = displayAt;
}
/**
* Sets the type of this RtfHeaderFooter
*
* @param type The type to use.
*/
public void setType(int type) {
this.type = type;
}
/**
* Gets the content of this RtfHeaderFooter
*
* @return The content of this RtfHeaderFooter
*/
private Object[] getContent() {
return this.content;
}
/**
* Unused
* @param inTable
*/
public void setInTable(boolean inTable) {
}
/**
* Unused
* @param inHeader
*/
public void setInHeader(boolean inHeader) {
}
/**
* Set the alignment of this RtfHeaderFooter. Passes the setting
* on to the contained element.
*/
public void setAlignment(int alignment) {
super.setAlignment(alignment);
for(int i = 0; i < this.content.length; i++) {
if(this.content[i] instanceof Paragraph) {
((Paragraph) this.content[i]).setAlignment(alignment);
} else if(this.content[i] instanceof Table) {
((Table) this.content[i]).setAlignment(alignment);
} else if(this.content[i] instanceof LwgImage) {
((LwgImage) this.content[i]).setAlignment(alignment);
}
}
}
}