/*
** Luxor - XML User Interface Language (XUL) Toolkit
** Copyright (c) 2001, 2002 by Gerald Bauer
**
** This program is free software.
**
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE.
**
*/

package luxor.swing.datagrid;

import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import org.jdom.*;
import luxor.status.*;
import luxor.*;

/**
 *  todo: create xpath and jdbc table models for xpath see dom4j example note:
 *  for now datagrids are read-only
 */

public class XmlTableModel extends AbstractTableModel
{
   static Logger T = Logger.getLogger( XmlTableModel.class );

   String _columnName[] = {};

   List _data;
   // aka rows/records in xml
   int _rowCount;

   /*
    *  Class _columnClass[] =
    *  {
    *  String.class,
    *  String.class,
    *  String.class,
    *  };
    */
   public XmlTableModel( Document doc )
   {
      _data = doc.getRootElement().getChildren();
      _rowCount = _data.size();

      // use element name as column name
      if( _rowCount > 0 )
      {
         Element firstRow = ( Element ) _data.get( 0 );

         ArrayList tempColumnName = new ArrayList();

         Iterator it = firstRow.getChildren().iterator();
         while( it.hasNext() )
         {
            Element column = ( Element ) it.next();
            tempColumnName.add( column.getName() );
         }

         _columnName = ( String[] ) tempColumnName.toArray( new String[0] );
      }
      else
      {
         // no data available
      }
   }

   public void setValue( Object obj, int row, int col ) { }

   public int getColumnCount()
   {
      return _columnName.length;
   }

   public String getColumnName( int i )
   {
      return _columnName[i];
   }


   public int getRowCount()
   {
      return _rowCount;
   }

   public Object getValueAt( int row, int col )
   {
      // todo: check for out of bound exception

      Element rowData = ( Element ) _data.get( row );
      Element colData = ( Element ) rowData.getChildren().get( col );
      return colData.getTextTrim();
   }

   /*
    *  public Class  getColumnClass( int i ) { return _columnClass[i]; }
    */
   public boolean isCellEditable( int row, int col )
   {
      return false;
   }
}