/*
** 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.core.menu;

import java.util.*;
import javax.swing.*;
import org.jdom.*;
import luxor.core.*;
import luxor.spi.*;
import luxor.status.*;

public class PopupDef extends XulContainer
{
   static Logger T = Logger.getLogger( PopupDef.class );
   ArrayList _children = new ArrayList();

   JPopupMenu _menu;

   public PopupDef( Element element )
   {
      super( element );
   }

   public void add( XulNode node )
   {
      if( node instanceof MenuFactory
             || node instanceof MenuItemFactory
             || node instanceof MenuSeparatorDef )
      {
         _children.add( node );
      }
      else
         Xul.error( "unsupported element type '" + node.getElementName() + "' inside popup" );
   }

   /**
    *  note: returned menu is cached, that is, it is created only once
    */
   public JPopupMenu createPopupMenu()
   {
      if( _menu == null )
      {
         _menu = new JPopupMenu();

         for( Iterator it = _children.iterator(); it.hasNext();  )
         {
            Object obj = it.next();

            if( obj instanceof MenuFactory )
            {
               MenuFactory mf = ( MenuFactory ) obj;
               _menu.add( mf.createMenu() );
            }
            else if( obj instanceof MenuItemFactory )
            {
               MenuItemFactory mif = ( MenuItemFactory ) obj;
               _menu.add( mif.createMenuItem() );
            }
            else if( obj instanceof MenuSeparatorDef )
               _menu.addSeparator();
            else
               Xul.error( "unsupported menu type '" + obj.getClass().getName() + "' in popup definition" );

         }
      }
      return _menu;
   }
}