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

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

   private JComboBox _comboBox;
   private XulMap _map;

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

      _map = def.getMap();

      // fix: find a better name for prepend
      boolean prepend = false;
      String prependValue = def.getAttribute( Xul.Attribute.PREPEND );
      if( prependValue != null && prependValue.equalsIgnoreCase( "true" ) )
         prepend = true;

      // fix: prepend is a hack for now
      //   make it more generic in the future

      if( prepend )
         _map.prepend( "", "All (Default)" );

      _comboBox = new JComboBox( _map.getValues() );
   }

   public void setText( String text )
   {
      // fix: make this behaviour optional through an attribute

      // make sure the os exists in our lookup table
      //   if not add it now;
      //  rationale: we don't want to loose a user's data

      String value = _map.lookup( text );
      // lookup description
      if( value == null )
      {
         T.debug( "adding " + text + " to map" );
         _map.add( text, text );
         // note: don't forget to add it to combobox!
         _comboBox.addItem( text );
      }

      _comboBox.setSelectedItem( _map.lookup( text ) );
   }

   public JComponent getJComponent()
   {
      return _comboBox;
   }

   public JLabel getLabel()
   {
      return null;
   }

   public String getText()
   {
      return _map.lookupByValue( ( String ) _comboBox.getSelectedItem() );
   }

   public boolean isEditable()
   {
      return true;
   }

   public void addFocusListener( FocusListener l )
   {
      /*
       *  / note: adding a focusListener to the JComboBox itself is useless, that is, has no effect
       *  JTextField editor = ( JTextField ) _comboBox.getEditor().getEditorComponent();
       *  editor.addFocusListener( l );
       */
      _comboBox.addFocusListener( l );
   }

   public void removeFocusListener( FocusListener l )
   {
      /*
       *  JTextField editor = ( JTextField ) _comboBox.getEditor().getEditorComponent();
       *  editor.removeFocusListener( l );
       */
      _comboBox.removeFocusListener( l );
   }

   public void resolveReferences( NComponentResolver resolver ) { }

   public boolean useMinHeight()
   {
      return true;
   }

   public boolean useMinWidth()
   {
      return true;
   }
}