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Java > Open Source Codes > org > netbeans > modules > diff > builtin > visualizer > DEditorPane


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.diff.builtin.visualizer;
21
22 import javax.swing.*;
23 import java.awt.event.MouseEvent JavaDoc;
24 import java.util.List JavaDoc;
25 import java.util.Iterator JavaDoc;
26
27 /**
28  * Filter out popup menu triggering events.
29  *
30  * @author Petr Kuzel
31  */
32 public class DEditorPane extends JEditorPane {
33
34     private List JavaDoc popupActions;
35
36     protected void processMouseEvent(MouseEvent JavaDoc e) {
37         if (e.isPopupTrigger() == false) {
38             super.processMouseEvent(e);
39         } else {
40             if (popupActions != null) {
41                 JPopupMenu popup = new JPopupMenu();
42                 Iterator JavaDoc it = popupActions.iterator();
43                 int actions = 0;
44                 while (it.hasNext()) {
45                     Action action = (Action) it.next();
46                     if (action == null) continue;
47                     popup.add(action);
48                     actions++;
49                 }
50                 if (actions > 0) {
51                     // -7 "automaticaly" selects first menu option - well, in most cases
52 popup.show(e.getComponent(), e.getX() - 7, e.getY() - 10);
53                 }
54             }
55         }
56     }
57
58     public void setPopupActions(List JavaDoc actions) {
59         popupActions = actions;
60     }
61 }
62
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