Java tutorial
/* * $Id: RtfParagraph.java 3670 2009-02-01 09:13:48Z blowagie $ * * 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.Element; 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: RtfParagraph.java 3670 2009-02-01 09:13:48Z blowagie $ * @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++) { Element chunk = (Element) 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); } }