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Java > Open Source Codes > org > netbeans > modules > tasklist > suggestions > ui > SuggestionsAction


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
20 package org.netbeans.modules.tasklist.suggestions.ui;
21
22 import org.netbeans.modules.tasklist.core.TaskListView;
23 import org.netbeans.modules.tasklist.suggestions.ui.SuggestionsView;
24
25 import org.openide.util.HelpCtx;
26 import org.openide.util.NbBundle;
27 import org.openide.util.actions.CallableSystemAction;
28
29
30 /**
31  * Shows the TaskList suggestions window (it does not toggle).
32  *
33  * @author Tor Norbye
34  */
35 final public class SuggestionsAction extends CallableSystemAction {
36
37     private static final long serialVersionUID = 1;
38
39     // Creating a window is slow. Make sure multiple quick clicks
40 // doesn't create multiple windows.
41 private volatile boolean block = false;
42
43     protected boolean asynchronous() {
44         return false; //XXX the blocking logic is useless for synchronous actions
45 }
46
47     public void performAction() {
48         if (block) {
49             return;
50         }
51         try {
52             block = true;
53             show();
54         } finally {
55             block = false;
56         }
57     }
58     
59     private static void show() {
60         TaskListView view =
61         TaskListView.getTaskListView(SuggestionsView.CATEGORY); // NOI18N
62 if (view != null) {
63             view.showInMode();
64         } else {
65             // View not already created: show it this time.
66 TaskListView tv = SuggestionsView.createSuggestionsView();
67             tv.showInMode();
68         }
69     }
70     
71     public String JavaDoc getName() {
72         return NbBundle.getMessage(SuggestionsAction.class, "ShowSuggestions"); // NOI18N
73 }
74     
75     protected String JavaDoc iconResource() {
76         return "org/netbeans/modules/tasklist/suggestions/suggestion.gif"; // NOI18N
77 }
78     
79     public HelpCtx getHelpCtx() {
80         return HelpCtx.DEFAULT_HELP;
81         // If you will provide context help then use:
82 // return new HelpCtx (MyAction.class);
83 }
84 }
85
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