/*

         StatCvs - CVS statistics generation 

         Copyright (C) 2002  Lukasz Pekacki <lukasz@pekacki.de>

         http://statcvs.sf.net/

         This library is free software; you can redistribute it and/or

         modify it under the terms of the GNU Lesser General Public

         License as published by the Free Software Foundation; either

         version 2.1 of the License, or (at your option) 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

         Lesser General Public License for more details.

         You should have received a copy of the GNU Lesser General Public

         License along with this library; if not, write to the Free Software

         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

         $RCSfile: DirectoriesTableReport.java,v $

         $Date: 2008/04/02 11:22:15 $

 */

 package net.sf.statcvs.reports;

 import java.util.Iterator;

 import net.sf.statcvs.Messages;

 import net.sf.statcvs.model.Directory;

 import net.sf.statcvs.model.Repository;

 import net.sf.statcvs.model.Revision;

 import net.sf.statcvs.reportmodel.DirectoryColumn;

 import net.sf.statcvs.reportmodel.IntegerColumn;

 import net.sf.statcvs.reportmodel.Table;

 import net.sf.statcvs.util.IntegerMap;

 /**

  * Table report which creates a table containing the names of

  * all directories and the number of changes and LOC in them.

  * 

  * @author Richard Cyganiak (richard@cyganiak.de)

  * @version $Id: DirectoriesTableReport.java,v 1.6 2008/04/02 11:22:15 benoitx Exp $

  */

 public class DirectoriesTableReport implements TableReport {

     private final Repository content;

     private Table table = null;

     private final IntegerMap changesMap = new IntegerMap();

     private final IntegerMap linesMap = new IntegerMap();

     /**

      * Creates a table report containing all directories and their

      * respective number of changes and LOC.

      * @param content the version control source data

      */

     public DirectoriesTableReport(final Repository content) {

         this.content = content;

     }

     public void calculate() {

         Iterator it = this.content.getRevisions().iterator();

         while (it.hasNext()) {

             final Revision rev = (Revision) it.next();

             final Directory dir = rev.getFile().getDirectory();

             changesMap.addInt(dir, 1);

             if (rev.isBeginOfLog()) {

                 linesMap.addInt(dir, rev.getLines());

             } else {

                 linesMap.addInt(dir, rev.getLinesDelta());

             }

         }

         this.table = new Table(Messages.getString("DIRECTORIES_TABLE_SUMMARY"));

         final IntegerColumn changes = new IntegerColumn(Messages.getString("COLUMN_CHANGES"));

         final IntegerColumn linesOfCode = new IntegerColumn(Messages.getString("COLUMN_LOC"));

         final DirectoryColumn keys = new DirectoryColumn();

         keys.setTotal(Messages.getString("TOTALS"));

         changes.setShowPercentages(true);

         linesOfCode.setShowPercentages(true);

         this.table.addColumn(keys);

         this.table.addColumn(changes);

         this.table.addColumn(linesOfCode);

         this.table.setKeysInFirstColumn(true);

         it = linesMap.iteratorSortedByValueReverse();

         while (it.hasNext()) {

             final Object key = it.next();

             keys.addValue(key);

             changes.addValue(changesMap.get(key));

             linesOfCode.addValue(linesMap.get(key));

         }

         if (this.table.getRowCount() > 1) {

             this.table.setShowTotals(true);

         }

     }

     public Table getTable() {

         return table;

     }

 }