/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 *    TreeDisplayListener.java
 *    Copyright (C) 1999 Malcolm Ware
 *
 */

package weka.gui.treevisualizer;

//this is simply used to get some user changes from the displayer to an actual
//class
//that contains the actual structure of the data the displayer is displaying

/**
 * Interface implemented by classes that wish to recieve user selection events
 * from a tree displayer.
 *
 * @author Malcolm Ware (mfw4@cs.waikato.ac.nz)
 * @version $Revision: 1.4 $
 */
public interface TreeDisplayListener {

  /**
   * Gets called when the user selects something, in the tree display.
   * @param e Contains what the user selected with what it was selected for.
   */
  void userCommand(TreeDisplayEvent e);
}