package org.apache.maven.doxia.book.services.renderer.xdoc;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import java.io.Writer;

 import java.util.Locale;

 import org.apache.maven.doxia.index.IndexEntry;

 import org.codehaus.plexus.i18n.I18N;

 /**

  * A <code>XdocSink</code> implementation for section in a book

  *

  * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>

  * @version $Id: SectionXdocBookSink.java 782330 2009-06-07 05:55:26Z ltheussl $

  */

 public class SectionXdocBookSink

     extends AbstractXdocBookSink

 {

     /** indexEntry. */

     private final IndexEntry indexEntry;

     /**

      * Default constructor.

      *

      * @param out the Writer to use.

      * @param indexEntry the IndexEntry.

      * @param i18n the I18N.

      * @param locale wanted locale.

      */

     public SectionXdocBookSink( Writer out, IndexEntry indexEntry, I18N i18n, Locale locale )

     {

         super( out, i18n, locale );

         this.indexEntry = indexEntry;

     }

     /** {@inheritDoc} */

     protected void navigationPanel()

     {

         write( "<!--Navigation Panel-->" );

         write( "<table width=\"100%\" align=\"center\" border=\"0\">" );

         write( "<tr>" );

         IndexEntry parent = indexEntry.getParent();

         // -----------------------------------------------------------------------

         // Prev

         // -----------------------------------------------------------------------

         IndexEntry prevEntry = indexEntry.getPrevEntry();

         write( "<td align=\"left\">" );

         previous( parent, prevEntry );

         write( "</td>" );

         // -----------------------------------------------------------------------

         // Parent

         // -----------------------------------------------------------------------

         write( "<td align=\"center\">" );

         up( parent );

         write( "</td>" );

         // -----------------------------------------------------------------------

         // Next

         // -----------------------------------------------------------------------

         IndexEntry nextEntry = indexEntry.getNextEntry();

         write( "<td align=\"right\">" );

         next( parent, nextEntry );

         write( "</td>" );

         write( "</tr>" );

         write( "</table>" );

         write( "<!--End of Navigation Panel-->" );

     }

     /**

      * Add previous link.

      *

      * @param parent the parent IndexEntry.

      * @param prevEntry the previous IndexEntry.

      */

     protected void previous( IndexEntry parent, IndexEntry prevEntry )

     {

         if ( prevEntry != null )

         {

             write( getString( "previous" ) + ": <a href=\"" + prevEntry.getId() + ".html\">" );

             content( prevEntry.getTitle() );

             write( "</a>" );

         }

         else

         {

             write( getString( "previous" ) + ": <a href=\"" + parent.getId() + ".html\">" );

             content( parent.getTitle() );

             write( "</a>" );

         }

     }

     /**

      * Add parent/up link.

      *

      * @param parent the parent IndexEntry.

      * @see org.apache.maven.doxia.book.services.renderer.xdoc.ChapterXdocBookSink#up()

      */

     protected void up( IndexEntry parent )

     {

         write( getString( "up" ) + ": <a href=\"" + parent.getId() + ".html\">" + parent.getTitle() + "</a>" );

     }

     /**

      * Add next link.

      *

      * @param parent the parent IndexEntry.

      * @param nextEntry the next IndexEntry.

      */

     protected void next( IndexEntry parent, IndexEntry nextEntry )

     {

         if ( nextEntry != null )

         {

             write( getString( "next" ) + ": <a href=\"" + nextEntry.getId() + ".html\">" );

             content( nextEntry.getTitle() );

             write( "</a>" );

         }

         else

         {

             IndexEntry nextChapter = parent.getNextEntry();

             if ( nextChapter == null )

             {

                 write( "<i>End of book</i>" );

             }

             else

             {

                 write( getString( "next" ) + ": <a href=\"" + nextChapter.getId() + ".html\">" );

                 content( nextChapter.getTitle() );

                 write( "</a>" );

             }

         }

     }

 }