/*
* $Id$
*
* 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.text;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.DocWriter;
import com.lowagie.text.DocumentException;
import com.lowagie.text.LwgElement;
import com.lowagie.text.Paragraph;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.document.RtfDocument;
import com.lowagie.text.rtf.graphic.RtfImage;
import com.lowagie.text.rtf.style.RtfFont;
import com.lowagie.text.rtf.style.RtfParagraphStyle;
/**
* The RtfParagraph is an extension of the RtfPhrase that adds alignment and
* indentation properties. It wraps a Paragraph.
*
* @version $Id$
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
* @author Thomas Bickel (tmb99@inode.at)
*/
public class RtfParagraph extends RtfPhrase {
/**
* Constant for the end of a paragraph
*/
public static final byte[] PARAGRAPH = DocWriter.getISOBytes("\\par");
/**
* An optional RtfParagraphStyle to use for styling.
*/
protected RtfParagraphStyle paragraphStyle = null;
/**
* Constructs a RtfParagraph belonging to a RtfDocument based on a Paragraph.
*
* @param doc The RtfDocument this RtfParagraph belongs to
* @param paragraph The Paragraph that this RtfParagraph is based on
*/
public RtfParagraph(RtfDocument doc, Paragraph paragraph) {
super(doc);
RtfFont baseFont = null;
if(paragraph.getFont() instanceof RtfParagraphStyle) {
this.paragraphStyle = this.document.getDocumentHeader().getRtfParagraphStyle(((RtfParagraphStyle) paragraph.getFont()).getStyleName());
baseFont = this.paragraphStyle;
} else {
baseFont = new RtfFont(this.document, paragraph.getFont());
this.paragraphStyle = new RtfParagraphStyle(this.document, this.document.getDocumentHeader().getRtfParagraphStyle("Normal"));
this.paragraphStyle.setAlignment(paragraph.getAlignment());
this.paragraphStyle.setFirstLineIndent((int) (paragraph.getFirstLineIndent() * RtfElement.TWIPS_FACTOR));
this.paragraphStyle.setIndentLeft((int) (paragraph.getIndentationLeft() * RtfElement.TWIPS_FACTOR));
this.paragraphStyle.setIndentRight((int) (paragraph.getIndentationRight() * RtfElement.TWIPS_FACTOR));
this.paragraphStyle.setSpacingBefore((int) (paragraph.getSpacingBefore() * RtfElement.TWIPS_FACTOR));
this.paragraphStyle.setSpacingAfter((int) (paragraph.getSpacingAfter() * RtfElement.TWIPS_FACTOR));
if(paragraph.hasLeading()) {
this.paragraphStyle.setLineLeading((int) (paragraph.getLeading() * RtfElement.TWIPS_FACTOR));
}
this.paragraphStyle.setKeepTogether(paragraph.getKeepTogether());
}
for(int i = 0; i < paragraph.size(); i++) {
LwgElement chunk = (LwgElement) paragraph.get(i);
if(chunk instanceof Chunk) {
((Chunk) chunk).setFont(baseFont.difference(((Chunk) chunk).getFont()));
} else if(chunk instanceof RtfImage) {
((RtfImage) chunks.get(i)).setAlignment(this.paragraphStyle.getAlignment());
}
try {
RtfBasicElement[] rtfElements = doc.getMapper().mapElement(chunk);
for(int j = 0; j < rtfElements.length; j++) {
chunks.add(rtfElements[j]);
}
} catch(DocumentException de) {
}
}
}
/**
* Set whether this RtfParagraph must stay on the same page as the next one.
*
* @param keepTogetherWithNext Whether this RtfParagraph must keep together with the next.
*/
public void setKeepTogetherWithNext(boolean keepTogetherWithNext) {
this.paragraphStyle.setKeepTogetherWithNext(keepTogetherWithNext);
}
/**
* Writes the content of this RtfParagraph. First paragraph specific data is written
* and then the RtfChunks of this RtfParagraph are added.
*/
public void writeContent(final OutputStream result) throws IOException
{
result.write(PARAGRAPH_DEFAULTS);
result.write(PLAIN);
if(inTable) {
result.write(IN_TABLE);
}
if(this.paragraphStyle != null) {
this.paragraphStyle.writeBegin(result);
}
result.write(DocWriter.getISOBytes("\\plain"));
for(int i = 0; i < chunks.size(); i++) {
RtfBasicElement rbe = (RtfBasicElement)chunks.get(i);
rbe.writeContent(result);
}
if(this.paragraphStyle != null) {
this.paragraphStyle.writeEnd(result);
}
if(!inTable) {
result.write(PARAGRAPH);
}
this.document.outputDebugLinebreak(result);
}
/**
* Gets the left indentation of this RtfParagraph.
*
* @return The left indentation.
*/
public int getIndentLeft() {
return this.paragraphStyle.getIndentLeft();
}
/**
* Sets the left indentation of this RtfParagraph.
*
* @param indentLeft The left indentation to use.
*/
public void setIndentLeft(int indentLeft) {
this.paragraphStyle.setIndentLeft(indentLeft);
}
/**
* Gets the right indentation of this RtfParagraph.
*
* @return The right indentation.
*/
public int getIndentRight() {
return this.paragraphStyle.getIndentRight();
}
/**
* Sets the right indentation of this RtfParagraph.
*
* @param indentRight The right indentation to use.
*/
public void setIndentRight(int indentRight) {
this.paragraphStyle.setIndentRight(indentRight);
}
}