/*
** 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;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.util.*;
import javax.swing.*;
import luxor.core.*;
import luxor.core.grid.*;
import luxor.spi.*;
import luxor.status.*;

public class GridPeer extends AbstractContainer
{
   static Logger T = Logger.getLogger( GridPeer.class );

   private JPanel _panel;

   public GridPeer( GridDef def, JComponentResolver resolver )
   {
      super( def );

      _panel = new JPanel();
      _panel.setLayout( new GridBagLayout() );

      // fix: use flex attributes
      List rows = def.getRowsDef().getRowDefs();
      List columns = def.getColumnsDef().getColumnDefs();

      int columnCount = columns.size();
      int rowCount = rows.size();

      for( int row = 0; row < rowCount; row++ )
      {
         RowDef rowDef = ( RowDef ) rows.get( row );
         Iterator colIt = rowDef.getColumns().iterator();

         for( int col = 0; col < columnCount; col++ )
         {
            GridBagConstraints con = new GridBagConstraints();

            int horz = Xul.Align.LEFT;
            int vert = Xul.Align.MIDDLE;

            con.gridx = col;
            con.gridy = row;
            con.weightx = 0;
            con.weighty = 0;
            con.gridwidth = 1;
            con.gridheight = 1;

            con.fill = GridBagConstraints.NONE;

            if( horz == Xul.Align.LEFT && vert == Xul.Align.MIDDLE )
            {
               con.anchor = GridBagConstraints.WEST;
            }

            if( colIt.hasNext() )
            {
               NComponentFactory f = ( NComponentFactory ) colIt.next();
               NComponent comp = f.createNComponent( resolver );

               _panel.add( comp.getJComponent(), con );
               addComponent( comp );
            }
            else
            {
               // add empty cell
               _panel.add( new JLabel( "" ), con );
            }
         }
      }

      resolveReferences();
   }

   public JComponent getJComponent()
   {
      return _panel;
   }

   public boolean useMinHeight()
   {
      return false;
   }

   public boolean useMinWidth()
   {
      return false;
   }
}