1 /*
   2  * Copyright (c) 2016, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24  /*
  25   @test
  26   @bug 8154043 8172509
  27   @summary Fields not reachable anymore by tab-key, because of new tabbing
  28   behaviour of radio button groups.
  29   @run main ButtonGroupLayoutTraversalTest
  30  */
  31 import java.awt.BorderLayout;
  32 import java.awt.Color;
  33 import java.awt.GridLayout;
  34 import java.awt.Robot;
  35 import java.awt.event.FocusAdapter;
  36 import java.awt.event.FocusEvent;
  37 import java.awt.event.KeyEvent;
  38 import javax.swing.JFrame;
  39 import javax.swing.SwingUtilities;
  40 import javax.swing.UIManager;
  41 import javax.swing.JPanel;
  42 import javax.swing.ButtonGroup;
  43 import javax.swing.JComponent;
  44 import javax.swing.JRadioButton;
  45 import javax.swing.JToggleButton;
  46 import javax.swing.LayoutFocusTraversalPolicy;
  47 import javax.swing.UnsupportedLookAndFeelException;
  48 
  49 public class ButtonGroupLayoutTraversalTest {
  50 
  51     static int nx = 3;
  52     static int ny = 3;
  53 
  54     static int focusCnt[] = new int[nx * ny];
  55     private static JFrame window;
  56 
  57     public static void main(String[] args) throws Exception {
  58 
  59         SwingUtilities.invokeAndWait(() -> changeLAF());
  60         SwingUtilities.invokeAndWait(() -> initLayout(nx, ny));
  61         Robot robot = new Robot();
  62         robot.setAutoDelay(100);
  63         robot.waitForIdle();
  64         robot.delay(200);
  65 
  66         for (int i = 0; i < nx * ny - nx * ny / 2 - 1; i++) {
  67             robot.keyPress(KeyEvent.VK_RIGHT);
  68             robot.keyRelease(KeyEvent.VK_RIGHT);
  69         }
  70 
  71         for (int i = 0; i < nx * ny / 2; i++) {
  72             robot.keyPress(KeyEvent.VK_TAB);
  73             robot.keyRelease(KeyEvent.VK_TAB);
  74         }
  75 
  76         robot.waitForIdle();
  77         robot.delay(200);
  78 
  79         for (int i = 0; i < nx * ny; i++) {
  80             if (focusCnt[i] < 1) {
  81                 SwingUtilities.invokeLater(window::dispose);
  82                 throw new RuntimeException("Component " + i
  83                         + " is not reachable in the forward focus cycle");
  84             } else if (focusCnt[i] > 1) {
  85                 SwingUtilities.invokeLater(window::dispose);
  86                 throw new RuntimeException("Component " + i
  87                         + " got focus more than once in the forward focus cycle");
  88             }
  89         }
  90 
  91         for (int i = 0; i < nx * ny / 2; i++) {
  92             robot.keyPress(KeyEvent.VK_SHIFT);
  93             robot.keyPress(KeyEvent.VK_TAB);
  94             robot.keyRelease(KeyEvent.VK_TAB);
  95             robot.keyRelease(KeyEvent.VK_SHIFT);
  96         }
  97 
  98         for (int i = 0; i < nx * ny - nx * ny / 2 - 1; i++) {
  99             robot.keyPress(KeyEvent.VK_LEFT);
 100             robot.keyRelease(KeyEvent.VK_LEFT);
 101         }
 102 
 103         robot.keyPress(KeyEvent.VK_SHIFT);
 104         robot.keyPress(KeyEvent.VK_TAB);
 105         robot.keyRelease(KeyEvent.VK_TAB);
 106         robot.keyRelease(KeyEvent.VK_SHIFT);
 107 
 108         robot.waitForIdle();
 109         robot.delay(200);
 110 
 111         for (int i = 0; i < nx * ny; i++) {
 112             if (focusCnt[i] < 2) {
 113                 SwingUtilities.invokeLater(window::dispose);
 114                 throw new RuntimeException("Component " + i
 115                         + " is not reachable in the backward focus cycle");
 116             } else if (focusCnt[i] > 2) {
 117                 SwingUtilities.invokeLater(window::dispose);
 118                 throw new RuntimeException("Component " + i
 119                         + " got focus more than once in the backward focus cycle");
 120             }
 121         }
 122 
 123         SwingUtilities.invokeLater(window::dispose);
 124     }
 125 
 126     private static void changeLAF() {
 127         String currentLAF = UIManager.getLookAndFeel().toString();
 128         currentLAF = currentLAF.toLowerCase();
 129         if (currentLAF.contains("aqua") || currentLAF.contains("nimbus")) {
 130             try {
 131                 UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
 132             } catch (ClassNotFoundException
 133                     | IllegalAccessException
 134                     | InstantiationException
 135                     | UnsupportedLookAndFeelException ex) {
 136                 ex.printStackTrace();
 137             }
 138         }
 139     }
 140 
 141     public static void initLayout(int nx, int ny) {
 142         window = new JFrame("Test");
 143         window.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
 144         JPanel rootPanel = new JPanel();
 145         rootPanel.setLayout(new BorderLayout());
 146         JPanel formPanel = new JPanel(new GridLayout(nx, ny));
 147         formPanel.setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
 148         formPanel.setFocusCycleRoot(true);
 149         ButtonGroup radioButtonGroup = new ButtonGroup();
 150         for (int i = 0; i < nx * ny; i++) {
 151             JToggleButton comp;
 152             if (i % 2 == 0) {
 153                 comp = new JRadioButton("Grouped component");
 154                 radioButtonGroup.add(comp);
 155             } else {
 156                 comp = new JRadioButton("Single component");
 157             }
 158             formPanel.add(comp);
 159             int fi = i;
 160             comp.setBackground(Color.red);
 161             comp.addFocusListener(new FocusAdapter() {
 162                 @Override
 163                 public void focusGained(FocusEvent e) {
 164                     focusCnt[fi]++;
 165                     if (focusCnt[fi] == 1) {
 166                         ((JComponent) e.getSource())
 167                                 .setBackground(Color.yellow);
 168                     } else if (focusCnt[fi] == 2) {
 169                         ((JComponent) e.getSource())
 170                                 .setBackground(Color.green);
 171                     } else {
 172                         ((JComponent) e.getSource())
 173                                 .setBackground(Color.red);
 174                     }
 175                 }
 176             });
 177         }
 178         rootPanel.add(formPanel, BorderLayout.CENTER);
 179         window.add(rootPanel);
 180         window.pack();
 181         window.setVisible(true);
 182     }
 183 }