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   @key headful
  27   @bug 8154431
  28   @summary Allow source and target based validation for the focus transfer
  29            between two JComponents.
  30   @run main VerifyTargetTest
  31 */
  32 
  33 import javax.swing.*;
  34 import java.awt.*;
  35 import java.awt.event.FocusEvent;
  36 import java.awt.event.FocusListener;
  37 
  38 public class VerifyTargetTest extends InputVerifier implements FocusListener {
  39     static boolean success;
  40     private static JFrame frame;
  41     private static JTextField field2;
  42 
  43     public static void main(String[] args) throws Exception {
  44         SwingUtilities.invokeAndWait(() -> setup());
  45         try {
  46             Robot robot = new Robot();
  47             robot.waitForIdle();
  48             robot.delay(200);
  49             KeyboardFocusManager.getCurrentKeyboardFocusManager()
  50                                                           .focusNextComponent();
  51             robot.waitForIdle();
  52             robot.delay(200);
  53             if (!success) {
  54                 throw new RuntimeException("Failed");
  55             } else {
  56                 System.out.println("ok");
  57             }
  58         } finally {
  59             SwingUtilities.invokeLater(() -> frame.dispose());
  60         }
  61     }
  62 
  63     static void setup() {
  64         frame = new JFrame();
  65         JTextField field1 = new JTextField("Input 1");
  66         VerifyTargetTest test = new VerifyTargetTest();
  67         field1.setInputVerifier(test);
  68         field1.addFocusListener(test);
  69         frame.getContentPane().add(field1, BorderLayout.NORTH);
  70         field2 = new JTextField("Input 2");
  71         frame.getContentPane().add(field2, BorderLayout.SOUTH);
  72         frame.pack();
  73         frame.setVisible(true);
  74     }
  75 
  76     @Override
  77     public boolean verify(JComponent input) {
  78         return true;
  79     }
  80 
  81     @Override
  82     public boolean verifyTarget(JComponent input) {
  83         success = input == field2;
  84         return false;
  85     }
  86 
  87     @Override
  88     public void focusGained(FocusEvent e) {}
  89 
  90     @Override
  91     public void focusLost(FocusEvent e) {
  92         success = false;
  93     }
  94 }