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.
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  23 
  24 /*
  25   @test
  26   @bug 8154431
  27   @summary Allow source and target based validation for the focus transfer
  28            between two JComponents.
  29   @run main VerifyTargetTest
  30 */
  31 
  32 import javax.swing.*;
  33 import java.awt.*;
  34 import java.awt.event.FocusEvent;
  35 import java.awt.event.FocusListener;
  36 
  37 public class VerifyTargetTest extends InputVerifier implements FocusListener {
  38     static boolean success;
  39     private static JFrame frame;
  40     private static JTextField field2;
  41 
  42     public static void main(String[] args) throws Exception {
  43         SwingUtilities.invokeAndWait(() -> setup());
  44         try {
  45             Robot robot = new Robot();
  46             robot.waitForIdle();
  47             robot.delay(200);
  48             KeyboardFocusManager.getCurrentKeyboardFocusManager()
  49                                                           .focusNextComponent();
  50             robot.waitForIdle();
  51             robot.delay(200);
  52             if (!success) {
  53                 throw new RuntimeException("Failed");
  54             } else {
  55                 System.out.println("ok");
  56             }
  57         } finally {
  58             SwingUtilities.invokeLater(() -> frame.dispose());
  59         }
  60     }
  61 
  62     static void setup() {
  63         frame = new JFrame();
  64         JTextField field1 = new JTextField("Input 1");
  65         VerifyTargetTest test = new VerifyTargetTest();
  66         field1.setInputVerifier(test);
  67         field1.addFocusListener(test);
  68         frame.getContentPane().add(field1, BorderLayout.NORTH);
  69         field2 = new JTextField("Input 2");
  70         frame.getContentPane().add(field2, BorderLayout.SOUTH);
  71         frame.pack();
  72         frame.setVisible(true);
  73     }
  74 
  75     @Override
  76     public boolean verify(JComponent input) {
  77         return true;
  78     }
  79 
  80     @Override
  81     public boolean verifyTarget(JComponent input) {
  82         success = input == field2;
  83         return false;
  84     }
  85 
  86     @Override
  87     public void focusGained(FocusEvent e) {}
  88 
  89     @Override
  90     public void focusLost(FocusEvent e) {
  91         success = false;
  92     }
  93 }