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1   package org.apache.maven.doxia.book.services.renderer.xdoc;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.Writer;
23  import java.util.Locale;
24  
25  import org.apache.maven.doxia.index.IndexEntry;
26  import org.codehaus.plexus.i18n.I18N;
27  
28  /**
29   * A <code>XdocSink</code> implementation for section in a book
30   *
31   * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
32   * @version $Id: SectionXdocBookSink.java 782330 2009-06-07 05:55:26Z ltheussl $
33   */
34  public class SectionXdocBookSink
35      extends AbstractXdocBookSink
36  {
37      /** indexEntry. */
38      private final IndexEntry indexEntry;
39  
40      /**
41       * Default constructor.
42       *
43       * @param out the Writer to use.
44       * @param indexEntry the IndexEntry.
45       * @param i18n the I18N.
46       * @param locale wanted locale.
47       */
48      public SectionXdocBookSink( Writer out, IndexEntry indexEntry, I18N i18n, Locale locale )
49      {
50          super( out, i18n, locale );
51  
52          this.indexEntry = indexEntry;
53      }
54  
55      /** {@inheritDoc} */
56      protected void navigationPanel()
57      {
58          write( "<!--Navigation Panel-->" );
59  
60          write( "<table width=\"100%\" align=\"center\" border=\"0\">" );
61          write( "<tr>" );
62  
63          IndexEntry parent = indexEntry.getParent();
64  
65          // -----------------------------------------------------------------------
66          // Prev
67          // -----------------------------------------------------------------------
68  
69          IndexEntry prevEntry = indexEntry.getPrevEntry();
70  
71          write( "<td align=\"left\">" );
72  
73          previous( parent, prevEntry );
74  
75          write( "</td>" );
76  
77          // -----------------------------------------------------------------------
78          // Parent
79          // -----------------------------------------------------------------------
80  
81          write( "<td align=\"center\">" );
82          up( parent );
83          write( "</td>" );
84  
85          // -----------------------------------------------------------------------
86          // Next
87          // -----------------------------------------------------------------------
88  
89          IndexEntry nextEntry = indexEntry.getNextEntry();
90  
91          write( "<td align=\"right\">" );
92  
93          next( parent, nextEntry );
94  
95          write( "</td>" );
96  
97          write( "</tr>" );
98          write( "</table>" );
99  
100         write( "<!--End of Navigation Panel-->" );
101     }
102 
103     /**
104      * Add previous link.
105      *
106      * @param parent the parent IndexEntry.
107      * @param prevEntry the previous IndexEntry.
108      */
109     protected void previous( IndexEntry parent, IndexEntry prevEntry )
110     {
111         if ( prevEntry != null )
112         {
113             write( getString( "previous" ) + ": <a href=\"" + prevEntry.getId() + ".html\">" );
114             content( prevEntry.getTitle() );
115             write( "</a>" );
116         }
117         else
118         {
119             write( getString( "previous" ) + ": <a href=\"" + parent.getId() + ".html\">" );
120             content( parent.getTitle() );
121             write( "</a>" );
122         }
123     }
124 
125     /**
126      * Add parent/up link.
127      *
128      * @param parent the parent IndexEntry.
129      * @see org.apache.maven.doxia.book.services.renderer.xdoc.ChapterXdocBookSink#up()
130      */
131     protected void up( IndexEntry parent )
132     {
133         write( getString( "up" ) + ": <a href=\"" + parent.getId() + ".html\">" + parent.getTitle() + "</a>" );
134     }
135 
136     /**
137      * Add next link.
138      *
139      * @param parent the parent IndexEntry.
140      * @param nextEntry the next IndexEntry.
141      */
142     protected void next( IndexEntry parent, IndexEntry nextEntry )
143     {
144         if ( nextEntry != null )
145         {
146             write( getString( "next" ) + ": <a href=\"" + nextEntry.getId() + ".html\">" );
147             content( nextEntry.getTitle() );
148             write( "</a>" );
149         }
150         else
151         {
152             IndexEntry nextChapter = parent.getNextEntry();
153 
154             if ( nextChapter == null )
155             {
156                 write( "<i>End of book</i>" );
157             }
158             else
159             {
160                 write( getString( "next" ) + ": <a href=\"" + nextChapter.getId() + ".html\">" );
161                 content( nextChapter.getTitle() );
162                 write( "</a>" );
163             }
164         }
165     }
166 }