1 /* 2 * $Id$ 3 * 4 * Copyright 2001, 2002, 2003, 2004 by Mark Hall 5 * 6 * The contents of this file are subject to the Mozilla Public License Version 1.1 7 * (the "License"); you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at http://www.mozilla.org/MPL/ 9 * 10 * Software distributed under the License is distributed on an "AS IS" basis, 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12 * for the specific language governing rights and limitations under the License. 13 * 14 * The Original Code is 'iText, a free JAVA-PDF library'. 15 * 16 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by 17 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie. 18 * All Rights Reserved. 19 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer 20 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved. 21 * 22 * Contributor(s): all the names of the contributors are added in the source code 23 * where applicable. 24 * 25 * Alternatively, the contents of this file may be used under the terms of the 26 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the 27 * provisions of LGPL are applicable instead of those above. If you wish to 28 * allow use of your version of this file only under the terms of the LGPL 29 * License and not to allow others to use your version of this file under 30 * the MPL, indicate your decision by deleting the provisions above and 31 * replace them with the notice and other provisions required by the LGPL. 32 * If you do not delete the provisions above, a recipient may use your version 33 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. 34 * 35 * This library is free software; you can redistribute it and/or modify it 36 * under the terms of the MPL as stated above or under the terms of the GNU 37 * Library General Public License as published by the Free Software Foundation; 38 * either version 2 of the License, or any later version. 39 * 40 * This library is distributed in the hope that it will be useful, but WITHOUT 41 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 42 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more 43 * details. 44 * 45 * If you didn't download this code from the following link, you should check if 46 * you aren't using an obsolete version: 47 * http://www.lowagie.com/iText/ 48 */ 49 50 package com.lowagie.text.rtf.style; 51 52 import java.io.IOException; 53 import java.io.OutputStream; 54 import java.util.HashMap; 55 import java.util.Iterator; 56 57 import com.lowagie.text.DocWriter; 58 import com.lowagie.text.rtf.RtfBasicElement; 59 import com.lowagie.text.rtf.RtfElement; 60 import com.lowagie.text.rtf.RtfExtendedElement; 61 import com.lowagie.text.rtf.document.RtfDocument; 62 63 /** 64 * The RtfStylesheetList stores the RtfParagraphStyles that are used in the document. 65 * 66 * @version $Id$ 67 * @author Mark Hall (Mark.Hall@mail.room3b.eu) 68 * @author Thomas Bickel (tmb99@inode.at) 69 */ 70 public class RtfStylesheetList extends RtfElement implements RtfExtendedElement { 71 72 /** 73 * The HashMap containing the RtfParagraphStyles. 74 */ 75 private HashMap styleMap = null; 76 /** 77 * Whether the default settings have been loaded. 78 */ 79 private boolean defaultsLoaded = false; 80 81 /** 82 * Constructs a new RtfStylesheetList for the RtfDocument. 83 * 84 * @param doc The RtfDocument this RtfStylesheetList belongs to. 85 */ RtfStylesheetList(RtfDocument doc)86 public RtfStylesheetList(RtfDocument doc) { 87 super(doc); 88 this.styleMap = new HashMap(); 89 } 90 91 /** 92 * unused 93 */ writeContent(OutputStream out)94 public void writeContent(OutputStream out) throws IOException 95 { 96 } 97 98 /** 99 * Register a RtfParagraphStyle with this RtfStylesheetList. 100 * 101 * @param rtfParagraphStyle The RtfParagraphStyle to add. 102 */ registerParagraphStyle(RtfParagraphStyle rtfParagraphStyle)103 public void registerParagraphStyle(RtfParagraphStyle rtfParagraphStyle) { 104 RtfParagraphStyle tempStyle = new RtfParagraphStyle(this.document, rtfParagraphStyle); 105 tempStyle.handleInheritance(); 106 tempStyle.setStyleNumber(this.styleMap.size()); 107 this.styleMap.put(tempStyle.getStyleName(), tempStyle); 108 } 109 110 /** 111 * Registers all default styles. If styles with the given name have already been registered, 112 * then they are NOT overwritten. 113 */ registerDefaultStyles()114 private void registerDefaultStyles() { 115 defaultsLoaded = true; 116 if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_NORMAL.getStyleName())) { 117 registerParagraphStyle(RtfParagraphStyle.STYLE_NORMAL); 118 } 119 if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_1.getStyleName())) { 120 registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_1); 121 } 122 if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_2.getStyleName())) { 123 registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_2); 124 } 125 if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_3.getStyleName())) { 126 registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_3); 127 } 128 } 129 130 /** 131 * Gets the RtfParagraphStyle with the given name. Makes sure that the defaults 132 * have been loaded. 133 * 134 * @param styleName The name of the RtfParagraphStyle to get. 135 * @return The RtfParagraphStyle with the given name or null. 136 */ getRtfParagraphStyle(String styleName)137 public RtfParagraphStyle getRtfParagraphStyle(String styleName) { 138 if(!defaultsLoaded) { 139 registerDefaultStyles(); 140 } 141 if(this.styleMap.containsKey(styleName)) { 142 return (RtfParagraphStyle) this.styleMap.get(styleName); 143 } else { 144 return null; 145 } 146 } 147 148 /** 149 * Writes the definition of the stylesheet list. 150 */ writeDefinition(final OutputStream result)151 public void writeDefinition(final OutputStream result) throws IOException 152 { 153 result.write(DocWriter.getISOBytes("{")); 154 result.write(DocWriter.getISOBytes("\\stylesheet")); 155 result.write(RtfBasicElement.DELIMITER); 156 this.document.outputDebugLinebreak(result); 157 Iterator it = this.styleMap.values().iterator(); 158 while(it.hasNext()) { 159 RtfParagraphStyle rps = (RtfParagraphStyle)it.next(); 160 rps.writeDefinition(result); 161 } 162 result.write(DocWriter.getISOBytes("}")); 163 this.document.outputDebugLinebreak(result); 164 } 165 } 166