/*
** 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.input;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import luxor.core.*;
import luxor.core.input.*;
import luxor.spi.*;
import luxor.status.*;
import luxor.swing.*;

public class XListRadioGroup extends AbstractInput
{
   static Logger T = Logger.getLogger( XListRadioGroup.class );

   private ButtonGroup _group;
   private JPanel _groupPanel;
   private String _list[];
   private JRadioButton _radio[];

   public XListRadioGroup( ChoiceDef def )
   {
      super( def );

      int orient = def.getOrient();

      _groupPanel = new JPanel();

      if( orient == SwingConstants.VERTICAL )
         _groupPanel.setLayout( new BoxLayout( _groupPanel, BoxLayout.Y_AXIS ) );
      else
         _groupPanel.setLayout( new BoxLayout( _groupPanel, BoxLayout.X_AXIS ) );

      _group = new ButtonGroup();

      // todo: assert that list is not empty
      _list = def.getList();
      _radio = new JRadioButton[_list.length];

      for( int i = 0; i < _list.length; i++ )
      {
         _radio[i] = new JRadioButton( _list[i] );
         _group.add( _radio[i] );
         _groupPanel.add( _radio[i] );

         // fix: pass in value for selected item
         if( i == 0 )
            _radio[0].setSelected( true );
      }
   }

   public void setText( String text )
   {
      for( int i = 0; i < _list.length; i++ )
      {
         if( _list[i].equalsIgnoreCase( text ) )
         {
            _radio[i].setSelected( true );
            return;
         }
      }
      Xul.warning( "invalid value; '" + text + "' not found in list; selection not possible" );
   }

   public JComponent getJComponent()
   {
      return _groupPanel;
   }

   public JLabel getLabel()
   {
      return null;
   }

   public String getText()
   {
      for( int i = 0; i < _list.length; i++ )
      {
         if( _radio[i].isSelected() )
            return _list[i];
      }
      Xul.warning( "no selection; shouldn't happen" );
      return null;
   }

   public boolean isEditable()
   {
      return true;
   }

   public void addFocusListener( FocusListener l )
   {
      // todo: add FocusListener to all radio buttons
   }

   public void removeFocusListener( FocusListener l ) { }

   public void resolveReferences( NComponentResolver resolver ) { }

   public boolean useMinHeight()
   {
      return true;
   }

   public boolean useMinWidth()
   {
      return true;
   }
}