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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 java.awt.Dimension;
21  
22  import javax.swing.JPanel;
23  
24  
25  /**
26   * Extends the functionality of a JPanel by providing a 'docked' state.
27   * @author Scott Deboy <sdeboy@apache.org>
28   * @author Paul Smith <psmith@apache.org>
29   */
30  public class DockablePanel extends JPanel {
31    private boolean isDocked = true;
32  
33    public void setDocked(boolean docked) {
34      boolean oldVal = isDocked;
35      isDocked = docked;
36      firePropertyChange("docked", oldVal, isDocked);
37    }
38  
39    public boolean isDocked() {
40      return isDocked;
41    }
42  
43      public Dimension getPreferredSize()
44      {
45          return new Dimension(1024, 768);
46      }
47  }