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Java > Open Source Codes > org > objectweb > util > browser > plugins > fractal > menu > RemoveComponentAction


1 /*====================================================================
2  
3  Objectweb Browser Framework
4  Copyright (C) 2000-2004 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  $Id: RemoveComponentAction.java,v 1.1 2004/04/20 16:37:27 moroy Exp $
27  ====================================================================*/
28
29 package org.objectweb.util.browser.plugins.fractal.menu;
30
31 import org.objectweb.fractal.api.Component;
32 import org.objectweb.fractal.api.Interface;
33 import org.objectweb.fractal.api.NoSuchInterfaceException;
34 import org.objectweb.fractal.api.control.ContentController;
35 import org.objectweb.fractal.api.control.LifeCycleController;
36 import org.objectweb.util.browser.api.MenuItem;
37 import org.objectweb.util.browser.api.MenuItemTreeView;
38 import org.objectweb.util.browser.api.TreeView;
39 import org.objectweb.util.browser.plugins.fractal.FcBrowser;
40
41 /**
42  * This action allows to unbind an interface.
43  *
44  * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
45  * @version 0.1
46  */
47 public class RemoveComponentAction
48   implements MenuItem
49 {
50     //==================================================================
51 //
52 // No internal states.
53 //
54 //==================================================================
55
56     //==================================================================
57 //
58 // No constructor.
59 //
60 //==================================================================
61
62     //==================================================================
63 //
64 // No Internal method.
65 //
66 //==================================================================
67
68     //==================================================================
69 //
70 // Public methods for ExtendedActionListener interface.
71 //
72 //==================================================================
73
74     /**
75      * @see org.objectweb.util.browser.api.MenuItem#getStatus(org.objectweb.util.browser.gui.common.TreeView)
76      */
77     public int getStatus(TreeView treeView) {
78         Object JavaDoc object = treeView.getSelectedObject();
79         if(!(object instanceof Component)) {
80             return MenuItem.NOT_VISIBLE_STATUS;
81         }
82         Interface contentController = (Interface)treeView.getParentObject();
83         Component component = contentController.getFcItfOwner();
84         try {
85             LifeCycleController lcc = FcBrowser.getLifeCycleController(component);
86             String JavaDoc status = lcc.getFcState();
87             if (status.equals(LifeCycleController.STARTED))
88                 // The component is started
89 return MenuItem.DISABLED_STATUS;
90         } catch (NoSuchInterfaceException e) { }
91         return MenuItem.ENABLED_STATUS;
92     }
93     
94     /**
95      * The action event
96      */
97     public void actionPerformed(MenuItemTreeView e) throws Exception JavaDoc{
98         ContentController contentInterface = (ContentController)e.getParentObject();
99         Component component = (Component)e.getSelectedObject();
100         contentInterface.removeFcSubComponent(component);
101     }
102     
103 }
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