bug6406264.java revision 15235:fe58d505fffd 
1/*
2 * Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26/*
27 * @test
28 * @key headful
29 * @bug 6406264
30 * @summary Tests that JComboBox's focusable popup can be shown.
31 * @author Mikhail Lapshin
32 * @run main bug6406264
33 */
34
35import javax.swing.JComboBox;
36import javax.swing.JFrame;
37import javax.swing.SwingUtilities;
38import javax.swing.plaf.basic.BasicComboBoxUI;
39import javax.swing.plaf.basic.ComboPopup;
40import javax.swing.plaf.basic.BasicComboPopup;
41import java.awt.*;
42
43public class bug6406264 extends JComboBox {
44
45    static JFrame frame;
46    static bug6406264 comboBox;
47
48    public static void main(String[] args) throws Exception {
49
50        Robot robot = new Robot();
51        // Setup and show frame
52        SwingUtilities.invokeAndWait(
53                new Runnable() {
54                    public void run() {
55                        frame = new JFrame("JComboBox6406264 test");
56                        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
57
58                        comboBox = new bug6406264("One", "Two", "Three");
59                        frame.getContentPane().add(comboBox);
60
61                        frame.setLocationRelativeTo(null);
62                        frame.pack();
63                        frame.setVisible(true);
64                    }
65                }
66        );
67
68        robot.waitForIdle();
69
70        // Show popup
71        SwingUtilities.invokeAndWait(
72                new Runnable() {
73                    public void run() {
74                        comboBox.showPopup();
75                    }
76                });
77        robot.waitForIdle();
78
79        // Check that popup is visible
80        SwingUtilities.invokeAndWait(
81                new Runnable() {
82                    public void run() {
83                        if (comboBox.getUI().isPopupVisible(comboBox) == false)
84                        {
85                            throw new RuntimeException("A focusable popup is not visible " +
86                                    "in JComboBox!");
87                        }
88                    }
89                }
90        );
91
92        frame.dispose();
93    }
94
95    public bug6406264(Object ... items) {
96        super(items);
97    }
98
99    public void updateUI() {
100        setUI(new CustomComboBoxUI());
101    }
102
103    // Use FocusablePopup for our JComboBox
104    private class CustomComboBoxUI extends BasicComboBoxUI {
105        protected ComboPopup createPopup() {
106            return new FocusablePopup(bug6406264.this);
107        }
108    }
109
110    // Popup window which can take a focus
111    private class FocusablePopup extends BasicComboPopup {
112        public FocusablePopup(JComboBox combo) {
113            super(combo);
114        }
115
116        public boolean isFocusable() {
117            return true;
118        }
119    }
120}
121