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Java > Open Source Codes > org > netbeans > modules > tasklist > core > GoToTaskAction


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.tasklist.core;
20
21 import org.openide.nodes.Node;
22 import org.openide.util.HelpCtx;
23 import org.openide.util.NbBundle;
24 import org.openide.util.actions.NodeAction;
25
26 import javax.swing.*;
27 import java.awt.*;
28
29
30 /**
31  * Go to the source code / associated file for a particular
32  * task.
33  *
34  * @author Tor Norbye
35  */
36 public class GoToTaskAction extends NodeAction {
37
38     private static final long serialVersionUID = 1;
39
40     protected boolean asynchronous() {
41         return false;
42     }
43
44     /** Do the actual jump to source
45      * @param nodes Nodes, where the selected node should be a task
46      * node. */
47     protected void performAction(Node[] nodes) {
48         final TaskListView tlv = TaskListView.getCurrent();
49         if (tlv != null) {
50             final Task item = TaskNode.getTask(nodes[0]); // safe - see enable check
51 assert item != null;
52             SwingUtilities.invokeLater(new Runnable JavaDoc() { //#39904 eliminate problems with focus
53 public void run() {
54                     tlv.showTaskInEditor(item, null);
55                 }
56             });
57         } else {
58             //XXX System.out.println("No current view!");
59 Toolkit.getDefaultToolkit().beep();
60         }
61     }
62     
63     /** Enable the task iff you've selected exactly one node,
64      * and that node is a tasknode. */
65     protected boolean enable(Node[] nodes) {
66         if ((nodes == null) || (nodes.length != 1)) {
67             return false;
68         }
69         Task item = TaskNode.getTask(nodes[0]);
70         if (item == null) {
71             return false;
72         }
73         return (item.getLine() != null);
74     }
75     
76     public String JavaDoc getName() {
77         return NbBundle.getMessage(GoToTaskAction.class, "LBL_Goto"); // NOI18N
78 }
79     
80     protected String JavaDoc iconResource() {
81         return "org/netbeans/modules/tasklist/core/showSource.gif"; // NOI18N
82 }
83     
84     public HelpCtx getHelpCtx() {
85         return HelpCtx.DEFAULT_HELP;
86         // If you will provide context help then use:
87 // return new HelpCtx (ShowTodoItemAction.class);
88 }
89 }
90
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