1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @key headful
* @bug 6199676
* @summary Tests preview panel after L&F changing
*/
import java.awt.Component;
import java.awt.Container;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class Test6199676 implements Runnable {
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(new Test6199676());
}
private static Component getPreview(Container container) {
String name = "ColorChooser.previewPanelHolder";
for (Component component : container.getComponents()) {
if (!name.equals(component.getName())) {
component = (component instanceof Container)
? getPreview((Container) component)
: null;
}
if (component instanceof Container) {
container = (Container) component;
return 1 == container.getComponentCount()
? container.getComponent(0)
: null;
}
}
return null;
}
private static boolean isShowing(Component component) {
return (component != null) && component.isShowing();
}
public synchronized void run() {
JColorChooser chooser = new JColorChooser();
JFrame frame = new JFrame(getClass().getName());
try {
frame.add(chooser);
frame.setVisible(true);
// Check default preview panel
setLookAndFeel(UIManager.getInstalledLookAndFeels()[0]);
SwingUtilities.updateComponentTreeUI(chooser);
Component component = chooser.getPreviewPanel();
if (component == null) {
component = getPreview(chooser);
}
if (!isShowing(component)) {
throw new RuntimeException(
"default preview panel is not showing");
}
// Check custom preview panel
chooser.setPreviewPanel(new JPanel());
setLookAndFeel(UIManager.getInstalledLookAndFeels()[1]);
SwingUtilities.updateComponentTreeUI(chooser);
if (isShowing(chooser.getPreviewPanel())) {
throw new RuntimeException("custom preview panel is showing");
}
} finally {
frame.dispose();
}
}
private static void setLookAndFeel(final UIManager.LookAndFeelInfo laf) {
try {
UIManager.setLookAndFeel(laf.getClassName());
} catch (final UnsupportedLookAndFeelException ignored){
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
|
