KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > aspectj > util > gui > CenteredJDialog


1 /*- Mode: JDE; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This file is part of the debugger and core tools for the AspectJ(tm)
4  * programming language; see http://aspectj.org
5  *
6  * The contents of this file are subject to the Mozilla Public License
7  * Version 1.1 (the "License"); you may not use this file except in
8  * compliance with the License. You may obtain a copy of the License at
9  * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is AspectJ.
17  *
18  * The Initial Developer of the Original Code is Xerox Corporation. Portions
19  * created by Xerox Corporation are Copyright (C) 1999-2002 Xerox Corporation.
20  * All Rights Reserved.
21  */
22
23 package org.aspectj.util.gui;
24
25 import java.awt.*;
26 import java.awt.event.*;
27 import javax.swing.*;
28
29 /**
30  * A javax.swing.JDialog that is centered in the screen using
31  * CenterHelper.center.
32  *
33  * @see CenterHelper
34  * @author Jeff Palm
35  */
36 public class CenteredJDialog extends JDialog {
37
38     /**
39      * Creates a new centerd dialog based on Frame f with String title.
40      *
41      * @param f Frame on which to center this dialog.
42      * @param title title of the dialog
43      * @param modal see description in javax.swing.JDialog
44      */
45     public CenteredJDialog(Frame f, String JavaDoc title, boolean modal) {
46         super(f, title, modal);
47     }
48
49     /**
50      * Packs and centers this component.
51      *
52      * @see CenterHelper#center
53      */
54     public void pack() {
55         super.pack();
56         CenterHelper.center(this);
57     }
58
59     /**
60      * Create a javax.swing.JRootPane that exits when ESC is pressed.
61      */
62     protected JRootPane createRootPane() {
63         JRootPane rootPane = new JRootPane();
64         ActionListener listener = new ActionListener() {
65             public void actionPerformed(ActionEvent e) {
66               setVisible(false);
67               dispose();
68         }};
69         KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
70         rootPane.registerKeyboardAction
71             (listener, stroke,JComponent.WHEN_IN_FOCUSED_WINDOW);
72         return rootPane;
73     }
74
75     /**
76      * First packs and then shows this component.
77      */
78     public void show() {
79         pack();
80         super.show();
81     }
82 }
83
Popular Tags