RemovePropertyAction


1   /*====================================================================
2   
3   Objectweb Browser framework
4   Copyright (C) 2000-2003 INRIA & USTL - LIFL - GOAL
5   Contact: openccm@objectweb.org
6   
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public
9   License as published by the Free Software Foundation; either
10  version 2.1 of the License, or any later version.
11  
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16  
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  USA
21  
22  Initial developer(s): Jerome Moroy.
23  Contributor(s): ______________________________________.
24  
25  ====================================================================*/
26  
27  package org.objectweb.util.browser.plugin.java;
28  
29  import java.util.Properties  ;
30  
31  import org.objectweb.util.browser.api.Entry;
32  import org.objectweb.util.browser.api.MenuItem;
33  import org.objectweb.util.browser.api.MenuItemTreeView;
34  import org.objectweb.util.browser.api.TreeView;
35  
36  /**
37   * This class allows to remove a property from a <code>java.util.Properties<code> object.
38   *
39   * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
40   * 
41   * @version 0.1
42   */
43  public class RemovePropertyAction 
44      implements MenuItem {
45  
46      //==================================================================
47      //
48      // No internal state.
49      //
50      //==================================================================
51  
52      //==================================================================
53      //
54      // No constructor.
55      // 
56      //==================================================================
57  
58      //==================================================================
59      //
60      // No internal method.
61      //
62      //==================================================================
63  
64      //==================================================================
65      //
66      // Public method for MenuItem interface.
67      //
68      //==================================================================
69  
70      /**
71       * @see org.objectweb.util.browser.api.MenuItem#getStatus(org.objectweb.util.browser.api.TreeView)
72       */
73      public int getStatus(TreeView treeView) {
74          // Enabled item
75          return MenuItem.ENABLED_STATUS; 
76      }
77  
78      /**
79       * @see org.objectweb.util.browser.api.MenuItem#actionPerformed(org.objectweb.util.browser.api.MenuItemTreeView)
80       */
81      public void actionPerformed(MenuItemTreeView treeView) throws Exception   {
82          // Obtaining the name of the entry
83          Entry entry = treeView.getSelectedEntry();
84          String   value = (String  )entry.getName();
85          // Obtaining the Java Properties
86          Properties   properties = (Properties  )treeView.getParentObject();
87          // Removing the property
88          properties.remove(value);
89      }
90  
91  }
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