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Java > Open Source Codes > org > columba > mail > gui > tree > action > ExpungeFolderAction


1 //The contents of this file are subject to the Mozilla Public License Version 1.1
2 //(the "License"); you may not use this file except in compliance with the
3 //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
4 //
5 //Software distributed under the License is distributed on an "AS IS" basis,
6 //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
7 //for the specific language governing rights and
8 //limitations under the License.
9 //
10 //The Original Code is "The Columba Project"
11 //
12 //The Initial Developers of the Original Code are Frederik Dietz and Timo Stich.
13 //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
14 //
15 //All Rights Reserved.
16 package org.columba.mail.gui.tree.action;
17
18 import java.awt.Toolkit JavaDoc;
19 import java.awt.event.ActionEvent JavaDoc;
20 import java.awt.event.KeyEvent JavaDoc;
21
22 import javax.swing.KeyStroke JavaDoc;
23
24 import org.columba.api.gui.frame.IFrameMediator;
25 import org.columba.api.selection.ISelectionListener;
26 import org.columba.api.selection.SelectionChangedEvent;
27 import org.columba.core.command.CommandProcessor;
28 import org.columba.core.gui.action.AbstractColumbaAction;
29 import org.columba.mail.command.IMailFolderCommandReference;
30 import org.columba.mail.folder.IMailFolder;
31 import org.columba.mail.folder.RootFolder;
32 import org.columba.mail.folder.command.ExpungeFolderCommand;
33 import org.columba.mail.gui.frame.MailFrameMediator;
34 import org.columba.mail.gui.tree.selection.TreeSelectionChangedEvent;
35 import org.columba.mail.util.MailResourceLoader;
36
37 /**
38  * @author frd
39  *
40  * To change this generated comment go to Window>Preferences>Java>Code
41  * Generation>Code and Comments
42  */
43
44 public class ExpungeFolderAction extends AbstractColumbaAction implements
45         ISelectionListener {
46     public ExpungeFolderAction(IFrameMediator frameMediator) {
47         super(frameMediator, MailResourceLoader.getString("menu", "mainframe",
48                 "menu_folder_expungefolder"));
49
50         // tooltip text
51 putValue(SHORT_DESCRIPTION, MailResourceLoader.getString("menu",
52                 "mainframe", "menu_folder_expungefolder").replaceAll("&", ""));
53
54         // shortcut key
55 putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_E,
56                 Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() | ActionEvent.SHIFT_MASK));
57
58         setEnabled(false);
59
60         ((MailFrameMediator) frameMediator).registerTreeSelectionListener(this);
61     }
62
63     /*
64      * (non-Javadoc)
65      *
66      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
67      */
68     public void actionPerformed(ActionEvent JavaDoc evt) {
69         IMailFolderCommandReference r = ((MailFrameMediator) getFrameMediator())
70                 .getTreeSelection();
71         ExpungeFolderCommand c = new ExpungeFolderCommand(r);
72
73         CommandProcessor.getInstance().addOp(c);
74     }
75
76     /*
77      * (non-Javadoc)
78      *
79      * @see org.columba.core.gui.util.ISelectionListener#selectionChanged(org.columba.core.gui.util.SelectionChangedEvent)
80      */
81     public void selectionChanged(SelectionChangedEvent e) {
82         if (((TreeSelectionChangedEvent) e).getSelected().length > 0) {
83             IMailFolder folder = ((TreeSelectionChangedEvent) e).getSelected()[0];
84
85             if (folder != null) {
86                 if (folder instanceof RootFolder) {
87                     setEnabled(false);
88                 } else {
89
90                     setEnabled(true);
91                 }
92
93             }
94         } else {
95             setEnabled(false);
96         }
97     }
98 }
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