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Java > Open Source Codes > org > netbeans > modules > versioning > system > cvss > ui > components > KTextArea


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.versioning.system.cvss.ui.components;
21
22 import java.awt.*;
23 import java.awt.event.*;
24 import java.util.*;
25 import javax.swing.*;
26
27 /**
28  * JTextArea with patched focus cycling policy that
29  * binds to usual tab/shift-tab.
30  *
31  * @author Petr Kuzel
32  */
33 public class KTextArea extends JTextArea {
34
35     private final static KeyStroke tab = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0);
36     private final static KeyStroke shiftTab = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, KeyEvent.SHIFT_DOWN_MASK);
37
38     /** Creates a new instance of KTextArea */
39     public KTextArea() {
40         Set forward = new HashSet();
41         forward.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0));
42         setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, forward);
43
44         Set backward = new HashSet();
45         backward.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, KeyEvent.SHIFT_DOWN_MASK));
46         setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, backward);
47     }
48     
49     protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed) {
50         if (tab.equals(ks) || shiftTab.equals(ks)) return false;
51         return super.processKeyBinding(ks, e, condition, pressed);
52     }
53     
54 }
55
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