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/*
* Copyright (c) 2001, 2022, 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.
*/
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
import static javax.swing.UIManager.getInstalledLookAndFeels;
/*
* @test
* @key headful
* @bug 4287690 4331058
* @summary This testcase tests RFE-4287690 and RFE-4331058 requests,
* JComboBox should send drop down visible as well as invisible events.
* @run main JComboBoxPopupMenuEventTest
*/
public class JComboBoxPopupMenuEventTest {
private static final String[] compStrs =
{"Apple", "Citibank", "Cisco", "Cienna", "Oracle", "IBM"};
private static Robot robot;
private static JComboBox comboBox;
private static JTextField searchTextField;
private static CountDownLatch popupMenuVisibleLatch;
private static CountDownLatch popupMenuInvisibleLatch;
private static JFrame frame;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(200);
List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
.map(LookAndFeelInfo::getClassName)
.collect(Collectors.toList());
for (final String laf : lafs) {
try {
popupMenuVisibleLatch = new CountDownLatch(1);
popupMenuInvisibleLatch = new CountDownLatch(1);
AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
SwingUtilities.invokeAndWait(() -> {
lafSetSuccess.set(setLookAndFeel(laf));
if (lafSetSuccess.get()) {
createUI();
}
});
if (!lafSetSuccess.get()) {
continue;
}
robot.waitForIdle();
mouseClick(searchTextField);
hitKeys(KeyEvent.VK_C, KeyEvent.VK_I);
mouseClick(comboBox);
// Verifying whether popupMenuWillBecomeVisible method of
// PopupMenuListener gets called when popup menu appears.
if (!popupMenuVisibleLatch.await(3, TimeUnit.SECONDS)) {
throw new RuntimeException(
"Waited too long, but popupMenuWillBecomeVisible " +
"not yet got called for " + laf);
}
hitKeys(KeyEvent.VK_ENTER);
// Verifying whether popupMenuWillBecomeInvisible method of
// PopupMenuListener gets called when popup menu disappears.
if (!popupMenuInvisibleLatch.await(3, TimeUnit.SECONDS)) {
throw new RuntimeException(
"Waited too long, but popupMenuWillBecomeInvisible " +
"not yet got called for " + laf);
}
System.out.println("Test passed for " + laf);
} finally {
SwingUtilities.invokeAndWait(
JComboBoxPopupMenuEventTest::disposeFrame);
}
}
}
private static void mouseClick(JComponent jComponent) throws Exception {
final Point location = getLocationOnScreen(jComponent);
robot.mouseMove(location.x + 8, location.y + 8);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}
private static Point getLocationOnScreen(JComponent jComponent)
throws Exception {
final AtomicReference<Point> loc = new AtomicReference<>();
SwingUtilities.invokeAndWait(
() -> loc.set(jComponent.getLocationOnScreen()));
return loc.get();
}
private static void hitKeys(int... keys) {
for (int key : keys) {
robot.keyPress(key);
}
for (int i = keys.length - 1; i >= 0; i--) {
robot.keyRelease(keys[i]);
}
}
public static void createUI() {
frame = new JFrame();
JPanel panel = new JPanel();
searchTextField = new JTextField(6);
panel.add(searchTextField);
comboBox = new JComboBox(compStrs);
panel.add(comboBox);
comboBox.addPopupMenuListener(new PopupMenuListener() {
public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
System.out.println("popupMenuWillBecomeVisible() got called");
popupMenuVisibleLatch.countDown();
comboBox.removeAllItems();
String text = searchTextField.getText().trim();
Arrays.stream(compStrs)
.filter(str -> str.toLowerCase().startsWith(text))
.forEach(str -> comboBox.addItem(str));
}
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
System.out.println("popupMenuWillBecomeInvisible() got called");
popupMenuInvisibleLatch.countDown();
}
public void popupMenuCanceled(PopupMenuEvent e) {
}
});
frame.setContentPane(panel);
frame.setSize(250, 100);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setVisible(true);
}
private static boolean setLookAndFeel(String lafName) {
try {
UIManager.setLookAndFeel(lafName);
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Ignoring Unsupported L&F: " + lafName);
return false;
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
return true;
}
private static void disposeFrame() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
}
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