001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 * 
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 * 
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.log4j.lf5.viewer.categoryexplorer;
019
020import javax.swing.event.TreeModelEvent;
021import javax.swing.event.TreeModelListener;
022
023/**
024 * Default implementation of TreeModelListener which does nothing.
025 *
026 * @author Richard Wan
027 */
028
029// Contributed by ThoughtWorks Inc.
030
031public class TreeModelAdapter implements TreeModelListener {
032  //--------------------------------------------------------------------------
033  //   Constants:
034  //--------------------------------------------------------------------------
035
036  //--------------------------------------------------------------------------
037  //   Protected Variables:
038  //--------------------------------------------------------------------------
039
040  //--------------------------------------------------------------------------
041  //   Private Variables:
042  //--------------------------------------------------------------------------
043
044  //--------------------------------------------------------------------------
045  //   Constructors:
046  //--------------------------------------------------------------------------
047
048  //--------------------------------------------------------------------------
049  //   Public Methods:
050  //--------------------------------------------------------------------------
051  public void treeNodesChanged(TreeModelEvent e) {
052  }
053
054  public void treeNodesInserted(TreeModelEvent e) {
055  }
056
057  public void treeNodesRemoved(TreeModelEvent e) {
058  }
059
060  public void treeStructureChanged(TreeModelEvent e) {
061  }
062
063  //--------------------------------------------------------------------------
064  //   Protected Methods:
065  //--------------------------------------------------------------------------
066
067  //--------------------------------------------------------------------------
068  //   Private Methods:
069  //--------------------------------------------------------------------------
070
071  //--------------------------------------------------------------------------
072  //   Nested Top-Level Classes or Interfaces
073  //--------------------------------------------------------------------------
074}
075