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Java > Open Source Codes > com > lowagie > text > rtf > text > RtfTabGroup


1 /*
2  * $Id: RtfTabGroup.java 2776 2007-05-23 20:01:40Z hallm $
3  * $Name$
4  *
5  * Copyright 2001, 2002, 2003, 2004 by Mark Hall
6  *
7  * The contents of this file are subject to the Mozilla Public License Version 1.1
8  * (the "License"); you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the License.
14  *
15  * The Original Code is 'iText, a free JAVA-PDF library'.
16  *
17  * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18  * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
19  * All Rights Reserved.
20  * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21  * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
22  * Co-Developer of the code is Mark Hall. Portions created by the Co-Developer are
23  * Copyright (C) 2006 by Mark Hall. All Rights Reserved
24  *
25  * Contributor(s): all the names of the contributors are added in the source code
26  * where applicable.
27  *
28  * Alternatively, the contents of this file may be used under the terms of the
29  * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
30  * provisions of LGPL are applicable instead of those above. If you wish to
31  * allow use of your version of this file only under the terms of the LGPL
32  * License and not to allow others to use your version of this file under
33  * the MPL, indicate your decision by deleting the provisions above and
34  * replace them with the notice and other provisions required by the LGPL.
35  * If you do not delete the provisions above, a recipient may use your version
36  * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
37  *
38  * This library is free software; you can redistribute it and/or modify it
39  * under the terms of the MPL as stated above or under the terms of the GNU
40  * Library General Public License as published by the Free Software Foundation;
41  * either version 2 of the License, or any later version.
42  *
43  * This library is distributed in the hope that it will be useful, but WITHOUT
44  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
45  * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
46  * details.
47  *
48  * If you didn't download this code from the following link, you should check if
49  * you aren't using an obsolete version:
50  * http://www.lowagie.com/iText/
51  */
52
53 package com.lowagie.text.rtf.text;
54
55 import java.io.ByteArrayOutputStream JavaDoc;
56 import java.io.IOException JavaDoc;
57 import java.io.OutputStream JavaDoc;
58 import java.util.ArrayList JavaDoc;
59
60 import com.lowagie.text.rtf.RtfAddableElement;
61
62 /**
63  * The RtfTabGroup is a convenience class if the same tabs are to be added
64  * to multiple paragraphs.<br /><br />
65  *
66  * <code>RtfTabGroup tabs = new RtfTabGroup();<br />
67  * tabs.add(new RtfTab(70, RtfTab.TAB_LEFT_ALIGN));<br />
68  * tabs.add(new RtfTab(160, RtfTab.TAB_CENTER_ALIGN));<br />
69  * tabs.add(new RtfTab(250, RtfTab.TAB_DECIMAL_ALIGN));<br />
70  * tabs.add(new RtfTab(500, RtfTab.TAB_RIGHT_ALIGN));<br />
71  * Paragraph para = new Paragraph();<br />
72  * para.add(tabs);<br />
73  * para.add("\tLeft aligned\tCentre aligned\t12,45\tRight aligned");</code>
74  *
75  * @version $Id: RtfTabGroup.java 2776 2007-05-23 20:01:40Z hallm $
76  * @author Mark Hall (mhall@edu.uni-klu.ac.at)
77  * @author Thomas Bickel (tmb99@inode.at)
78  */
79 public class RtfTabGroup extends RtfAddableElement {
80     /**
81      * The tabs to add.
82      */
83     private ArrayList JavaDoc tabs = null;
84
85     /**
86      * Constructs an empty RtfTabGroup.
87      */
88     public RtfTabGroup() {
89         this.tabs = new ArrayList JavaDoc();
90     }
91     
92     /**
93      * Constructs a RtfTabGroup with a set of tabs.
94      *
95      * @param tabs An ArrayList with the RtfTabs to group in this RtfTabGroup.
96      */
97     public RtfTabGroup(ArrayList JavaDoc tabs) {
98         this.tabs = new ArrayList JavaDoc();
99         for(int i = 0; i < tabs.size(); i++) {
100             if(tabs.get(i) instanceof RtfTab) {
101                 this.tabs.add(tabs.get(i));
102             }
103         }
104     }
105     
106     /**
107      * Adds a RtfTab to the list of grouped tabs.
108      *
109      * @param tab The RtfTab to add.
110      */
111     public void add(RtfTab tab) {
112         this.tabs.add(tab);
113     }
114     
115     /**
116      * Combines the tab output form all grouped tabs.
117      *
118      * @deprecated replaced by {@link #writeContent(OutputStream)}
119      */
120     public byte[] write()
121     {
122         ByteArrayOutputStream JavaDoc result = new ByteArrayOutputStream JavaDoc();
123         try {
124             writeContent(result);
125         } catch(IOException JavaDoc ioe) {
126             ioe.printStackTrace();
127         }
128         return result.toByteArray();
129     }
130     /**
131      * Combines the tab output form all grouped tabs.
132      */
133     public void writeContent(final OutputStream JavaDoc result) throws IOException JavaDoc
134     {
135         for(int i = 0; i < this.tabs.size(); i++) {
136             RtfTab rt = (RtfTab) this.tabs.get(i);
137             //.result.write((rt).write());
138 rt.writeContent(result);
139         }
140     }
141     
142 }
143
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