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Java > Open Source Codes > org > netbeans > modules > refactoring > spi > impl > SafeDeleteAction


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.refactoring.spi.impl;
20
21 import javax.swing.SwingUtilities JavaDoc;
22 import org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory;
23 import org.openide.nodes.Node;
24 import org.openide.util.HelpCtx;
25 import org.openide.util.Lookup;
26 import org.openide.util.NbBundle;
27
28 /**
29  * @author Jan Becicka
30  */
31 public class SafeDeleteAction extends RefactoringGlobalAction {
32
33     /**
34      * Creates a new instance of SafeDeleteAction
35      */
36     public SafeDeleteAction() {
37         super (NbBundle.getMessage(SafeDeleteAction.class, "LBL_SafeDel_Action"), null);
38         putValue("noIconInMenu", Boolean.TRUE); // NOI18N
39 }
40     
41     public final void performAction(Lookup context) {
42         ActionsImplementationFactory.doDelete(context);
43     }
44     
45     public org.openide.util.HelpCtx getHelpCtx() {
46         return HelpCtx.DEFAULT_HELP;
47     }
48
49     protected boolean asynchronous() {
50         return false;
51     }
52
53     protected boolean enable(Lookup context) {
54         return ActionsImplementationFactory.canDelete(context);
55     }
56
57     public boolean delete(final Node[] nodes) {
58         if (enable(nodes)) {
59             if (java.awt.EventQueue.isDispatchThread()) {
60                 performAction(nodes);
61             } else {
62                 SwingUtilities.invokeLater(new Runnable JavaDoc() {
63                     public void run() {
64                         performAction(nodes);
65                     }
66                     
67                 });
68             }
69             return true;
70         } else {
71             return false;
72         }
73     }
74 }
75
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