/*
** 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.widget;

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

public class HistoryComboBoxTableCellEditor implements TableCellEditor
{
   static Logger T = Logger.getLogger( HistoryComboBoxTableCellEditor.class );

   private HistoryComboBox _combo;

   private EventListenerList _listener = new EventListenerList();

   public HistoryComboBoxTableCellEditor( HistoryComboBox combo )
   {
      _combo = combo;
   }

   public Object getCellEditorValue()
   {
      T.debug( "getCellEditorValue" );
      return _combo.getText();
   }

   public Component getTableCellEditorComponent( JTable table,
         Object value, boolean isSelected, int row, int column )
   {
      T.debug( "getTableCellEditorComponent" );

      String stringValue = ( String ) value;
      T.debug( "value=" + stringValue );

      _combo.populate( stringValue );

      return _combo;
   }

   public boolean isCellEditable( EventObject ev )
   {
      T.debug( "isCellEditable" );
      return true;
   }

   public void addCellEditorListener( CellEditorListener l )
   {
      T.debug( "addCellEditorListener" );
      _listener.add( CellEditorListener.class, l );
   }

   public void cancelCellEditing()
   {
      T.debug( "cancelCellEditing" );
      fireEditingCanceled();
   }

   public void removeCellEditorListener( CellEditorListener l )
   {
      T.debug( "removeCellEditorListener" );
      _listener.remove( CellEditorListener.class, l );
   }

   public boolean shouldSelectCell( EventObject ev )
   {
      T.debug( "shouldSelectCell" );
      return true;
   }

   public boolean stopCellEditing()
   {
      T.debug( "stopCellEditing" );
      fireEditingStopped();
      return true;
   }

   private void fireEditingCanceled()
   {
      T.debug( "fireEditingCanceled" );

      // todo: set original value

      CellEditorListener l[] = ( CellEditorListener[] ) _listener.getListeners( CellEditorListener.class );
      ChangeEvent ev = new ChangeEvent( this );
      for( int i = 0; i < l.length; i++ )
         l[i].editingCanceled( ev );
   }

   private void fireEditingStopped()
   {
      T.debug( "fireEditingStopped" );

      CellEditorListener l[] = ( CellEditorListener[] ) _listener.getListeners( CellEditorListener.class );
      ChangeEvent ev = new ChangeEvent( this );
      for( int i = 0; i < l.length; i++ )
         l[i].editingStopped( ev );
   }

}