/*
** 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.portal;

import java.util.*;
import org.jdom.*;
import luxor.core.*;
import luxor.status.*;

public class PortalDef extends XulContainer
{

   static Logger T = Logger.getLogger( PortalDef.class );

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

   public String getContent( Map args )
   {
      StringBuffer content = new StringBuffer();

      // process children
      List children = getElement().getChildren();
      for( Iterator it = children.iterator(); it.hasNext();  )
      {
         Element child = ( Element ) it.next();
         walkTree( args, content, child );
      }

      return content.toString();
   }

   public void add( XulNode node )
   {
      Xul.syntax( "unsupported element type '" + node.getElementName() + "' inside portal" );
   }

   public void appendAttributes( StringBuffer content, Element element )
   {
      // add attributes
      List attributes = element.getAttributes();
      Iterator it = attributes.iterator();
      while( it.hasNext() )
      {
         // todo: can i simply use attribute.toString()
         Attribute attribute = ( Attribute ) it.next();
         String name = attribute.getName();
         String value = attribute.getValue();

         // fix: xhtml encode?
         content.append( " " + name + "=\"" + value + "\"" );
      }
   }

   public void walkTree( Map args, StringBuffer content, Element element )
   {
      List children = element.getChildren();

      String type = element.getName();
      if( type.equals( Xul.Element.PORTLET ) )
      {
         PortletRef ref = new PortletRef( element );
         content.append( ref.getContent( args ) );
         return;
      }

      content.append( "<" + type );
      appendAttributes( content, element );
      content.append( ">" );

      // process children
      for( Iterator it = children.iterator(); it.hasNext();  )
      {
         Element child = ( Element ) it.next();
         walkTree( args, content, child );
      }

      // convert xhtml to html
      //  - we don't want a closing tag for hr
      if( type.equals( "hr" ) )
         return;

      content.append( "</" + type + ">" );
   }
}