View Javadoc

1   /*
2    *  XNap - A P2P framework and client.
3    *
4    *  See the file AUTHORS for copyright information.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation.
9    *
10   *  This program is distributed in the hope that it will be useful,
11   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   *  GNU General Public License for more details.
14   *
15   *  You should have received a copy of the GNU General Public License
16   *  along with this program; if not, write to the Free Software
17   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package org.xnap.gui;
21  
22  import javax.swing.Icon;
23  import javax.swing.*;
24  
25  import org.xnap.util.Preferences;
26  
27  /***
28   * Provides the default implementation for a settings panel. Basically
29   * returns null in all methods.
30   */
31  public abstract class AbstractSettingsPanel extends JPanel 
32      implements SettingsPanel {
33  
34      // --- Data Field(s) ---
35      
36      /***
37       * Convenience access.
38       */
39      protected static Preferences prefs = Preferences.getInstance();
40      
41      //--- Constructor(s) ---
42  
43      public AbstractSettingsPanel()
44      {
45      }
46  
47      //--- Method(s) ---
48      
49      /***
50       * Returns null.
51       */
52      public String getDescription()
53      {
54  		return null;
55      }
56  	
57      /***
58       * Returns null.
59       */
60      public Icon getIcon()
61      {
62  		return null;
63      }
64  
65      public JComponent getPanel()
66      {
67  		return this;
68      }
69  
70      /***
71       * Returns null.
72       */
73      public String getTitle()
74      {
75  		return "";
76      }
77  
78  }