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/*
* Copyright (c) 2016, 2021, 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 8154043 8172509
* @summary Fields not reachable anymore by tab-key, because of new tabbing
* behaviour of radio button groups.
* @run main ButtonGroupLayoutTraversalTest
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.Robot;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.JPanel;
import javax.swing.ButtonGroup;
import javax.swing.JComponent;
import javax.swing.JRadioButton;
import javax.swing.JToggleButton;
import javax.swing.LayoutFocusTraversalPolicy;
import javax.swing.UnsupportedLookAndFeelException;
public class ButtonGroupLayoutTraversalTest {
private static final int NX = 3;
private static final int NY = 3;
private static final int[] focusCnt = new int[NX * NY];
private static JFrame window;
private static Robot robot;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoDelay(100);
for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
try {
SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
SwingUtilities.invokeAndWait(() -> initLayout(NX, NY));
test();
} finally {
SwingUtilities.invokeAndWait(() -> {
if (window != null) {
window.dispose();
}
window = null;
synchronized (focusCnt) {
Arrays.fill(focusCnt, 0);
}
});
}
}
}
private static void test() {
robot.waitForIdle();
robot.delay(1000);
for (int i = 0; i < NX * NY - NX * NY / 2 - 1; i++) {
robot.keyPress(KeyEvent.VK_RIGHT);
robot.keyRelease(KeyEvent.VK_RIGHT);
robot.waitForIdle();
}
for (int i = 0; i < NX * NY / 2; i++) {
robot.keyPress(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_TAB);
robot.waitForIdle();
}
robot.delay(200);
synchronized (focusCnt) {
for (int i = 0; i < NX * NY; i++) {
if (focusCnt[i] < 1) {
throw new RuntimeException("Component " + i
+ " is not reachable in the forward focus cycle");
} else if (focusCnt[i] > 1) {
throw new RuntimeException("Component " + i
+ " got focus more than once in the forward focus cycle");
}
}
}
for (int i = 0; i < NX * NY / 2; i++) {
robot.keyPress(KeyEvent.VK_SHIFT);
robot.keyPress(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_SHIFT);
robot.waitForIdle();
}
for (int i = 0; i < NX * NY - NX * NY / 2 - 1; i++) {
robot.keyPress(KeyEvent.VK_LEFT);
robot.keyRelease(KeyEvent.VK_LEFT);
robot.waitForIdle();
}
robot.keyPress(KeyEvent.VK_SHIFT);
robot.keyPress(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_SHIFT);
robot.waitForIdle();
robot.delay(200);
synchronized (focusCnt) {
for (int i = 0; i < NX * NY; i++) {
if (focusCnt[i] < 2) {
throw new RuntimeException("Component " + i
+ " is not reachable in the backward focus cycle");
} else if (focusCnt[i] > 2) {
throw new RuntimeException("Component " + i
+ " got focus more than once in the backward focus cycle");
}
}
}
}
private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
try {
UIManager.setLookAndFeel(laf.getClassName());
System.out.println(laf.getName());
} catch (UnsupportedLookAndFeelException ignored){
System.out.println("Unsupported LookAndFeel: " + laf.getClassName());
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException e) {
throw new RuntimeException(e);
}
}
public static void initLayout(int nx, int ny) {
window = new JFrame("Test");
window.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
JPanel rootPanel = new JPanel();
rootPanel.setLayout(new BorderLayout());
JPanel formPanel = new JPanel(new GridLayout(nx, ny));
formPanel.setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
formPanel.setFocusCycleRoot(true);
ButtonGroup radioButtonGroup = new ButtonGroup();
for (int i = 0; i < nx * ny; i++) {
JToggleButton comp;
if (i % 2 == 0) {
comp = new JRadioButton("Grouped component");
radioButtonGroup.add(comp);
} else {
comp = new JRadioButton("Single component");
}
formPanel.add(comp);
int fi = i;
comp.setBackground(Color.red);
comp.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
synchronized (focusCnt) {
focusCnt[fi]++;
JComponent btn = (JComponent) e.getSource();
if (focusCnt[fi] == 1) {
btn.setBackground(Color.yellow);
} else if (focusCnt[fi] == 2) {
btn.setBackground(Color.green);
} else {
btn.setBackground(Color.red);
}
}
}
});
}
rootPanel.add(formPanel, BorderLayout.CENTER);
window.add(rootPanel);
window.setLocationRelativeTo(null);
window.pack();
window.setVisible(true);
}
}
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