/*
** Salsa - Swing Add-On Suite
** Copyright (c) 2001, 2002, 2003 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 salsa.debug;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;

public class ComponentTreeModel implements TreeModel
{
   Component _root;

   public ComponentTreeModel( Component root )
   {
      _root = root;
   }

   public Object getChild( Object parent, int index )
   {
      if( parent instanceof Container )
      {
         return ( ( Container ) parent ).getComponent( index );
      }
      return null;
   }

   public int getChildCount( Object obj )
   {
      if( obj instanceof Container )
         return ( ( Container ) obj ).getComponentCount();
      return 0;
   }

   public int getIndexOfChild( Object parent, Object child )
   {
      if( !( parent instanceof Container ) )
         return -1;

      Container c = ( Container ) parent;
      Component children[] = c.getComponents();
      if( children == null )
         return -1;

      for( int i = 0; i < children.length; i++ )
         if( children[i] == child )
            return i;

      return -1;
   }

   public Object getRoot()
   {
      return _root;
   }

   public boolean isLeaf( Object obj )
   {
      if( !( obj instanceof Container ) )
         return true;

      return ( ( Container ) obj ).getComponentCount() == 0;
   }

   public void addTreeModelListener( TreeModelListener l ) { }

   public void removeTreeModelListener( TreeModelListener l ) { }

   public void valueForPathChanged( TreePath path, Object newValue ) { }
}