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/*
* Copyright (c) 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.
*/
/*
* @test
* @bug 8078471
* @key headful
* @requires (os.family == "linux")
* @summary Verifies if filechooser current directory changed to parent
* directory on BACKSPACE key press except root directory.
* @run main TestBackSpaceAction
*/
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;
import java.awt.event.KeyEvent;
import java.awt.Robot;
import java.io.File;
import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class TestBackSpaceAction {
private static JFrame frame;
private static JFileChooser fileChooser;
private static Robot robot;
private static File testDir;
private static File subDir;
private static File prevDir;
private static File crntDir;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoDelay(100);
try {
// create test directory
String tmpDir = System.getProperty("java.io.tmpdir");
//'java.io.tmpdir' isn't guaranteed to be defined
if (tmpDir.length() == 0) {
tmpDir = System.getProperty("user.home");
}
testDir = new File(tmpDir, "testDir");
testDir.mkdir();
testDir.deleteOnExit();
// create sub directory inside test directory
subDir = new File(testDir, "subDir");
subDir.mkdir();
subDir.deleteOnExit();
} catch (Exception e) {
e.printStackTrace();
}
for (UIManager.LookAndFeelInfo laf :
UIManager.getInstalledLookAndFeels()) {
if (!laf.getClassName().contains("MotifLookAndFeel")) {
System.out.println("Testing LAF: " + laf.getClassName());
SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
doTesting(laf);
}
}
}
private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
try {
UIManager.setLookAndFeel(laf.getClassName());
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Unsupported LAF: " + laf.getClassName());
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
}
private static void doTesting(UIManager.LookAndFeelInfo laf)
throws Exception {
try {
SwingUtilities.invokeAndWait(() -> {
createAndShowUI();
});
boolean passed_1 = false;
boolean passed_2 = false;
robot.waitForIdle();
robot.delay(100);
// check backspace key at subDir level
clickBackSpace();
if (prevDir != crntDir) {
passed_1 = true;
}
// check if backspace key changes directory at root level
while (!fileChooser.getFileSystemView().isFileSystemRoot(prevDir)) {
clickBackSpace();
if (prevDir == crntDir) {
passed_2 = true;
break;
}
}
if (passed_1 && passed_2) {
System.out.println("Passed");
} else {
throw new RuntimeException("BackSpace does not lead to " +
"parent directory for LAF: " + laf.getClassName());
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
private static void createAndShowUI() {
frame = new JFrame("Test File Chooser Backspace Action");
frame.getContentPane().setLayout(new BorderLayout());
fileChooser = new JFileChooser(subDir);
fileChooser.setControlButtonsAreShown(false);
fileChooser.addHierarchyListener(new HierarchyListener(){
public void hierarchyChanged(HierarchyEvent he) {
grabFocusForComboBox(fileChooser.getComponents());
}
});
frame.getContentPane().add(fileChooser, BorderLayout.CENTER);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
private static void grabFocusForComboBox(Component[] comp)
{
for (Component c:comp) {
if (c instanceof JComboBox) {
JComboBox cb = (JComboBox)c;
cb.requestFocusInWindow();
break;
} else if (c instanceof JPanel) {
JPanel jp = (JPanel)c;
grabFocusForComboBox(jp.getComponents());
}
}
}
private static void clickBackSpace() {
prevDir = fileChooser.getCurrentDirectory();
robot.keyPress(KeyEvent.VK_BACK_SPACE);
robot.keyRelease(KeyEvent.VK_BACK_SPACE);
crntDir = fileChooser.getCurrentDirectory();
}
}
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