001    /*
002      Copyright (C) 2001 Laurent Martelli
003      
004      This program is free software; you can redistribute it and/or modify
005      it under the terms of the GNU Lesser General Public License as
006      published by the Free Software Foundation; either version 2 of the
007      License, or (at your option) any later version.
008    
009      This program is distributed in the hope that it will be useful,
010      but WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012      GNU Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public License
015      along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
017    
018    package org.objectweb.jac.aspects.gui.web;
019    
020    /**
021     * This interface defines events callbacks for a tree view.
022     */
023    
024    public interface TreeListener {
025       /**
026        * Called when a node of the tree is selected by the user.
027        */
028       void onSelectNode(String nodePath);
029    
030       void onExpandNode(String nodePath);
031    
032       void onCollapseNode(String nodePath);
033    }