1 /*
   2  * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.event;
  27 
  28 import java.util.EventListener;
  29 
  30 /**
  31  * The listener that's notified when the selection in a TreeSelectionModel
  32  * changes.
  33  * For more information and examples see
  34  * <a
  35  href="http://docs.oracle.com/javase/tutorial/uiswing/events/treeselectionlistener.html">How to Write a Tree Selection Listener</a>,
  36  * a section in <em>The Java Tutorial.</em>
  37  *
  38  * @see javax.swing.tree.TreeSelectionModel
  39  * @see javax.swing.JTree
  40  *
  41  * @author Scott Violet
  42  */
  43 public interface TreeSelectionListener extends EventListener
  44 {
  45     /**
  46       * Called whenever the value of the selection changes.
  47       * @param e the event that characterizes the change.
  48       */
  49     void valueChanged(TreeSelectionEvent e);
  50 }