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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.log4j.chainsaw;
19  
20  import javax.swing.JPanel;
21  
22  
23  /***
24   * Extends the functionality of a JPanel by providing a 'docked' state.
25   * @author Scott Deboy <sdeboy@apache.org>
26   * @author Paul Smith <psmith@apache.org>
27   */
28  public class DockablePanel extends JPanel {
29    private boolean isDocked = true;
30  
31    public void setDocked(boolean docked) {
32      boolean oldVal = isDocked;
33      isDocked = docked;
34      firePropertyChange("docked", oldVal, isDocked);
35    }
36  
37    public boolean isDocked() {
38      return isDocked;
39    }
40  
41  }