/*
* Copyright ( c ) 2013 , 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
* @ key headful
* @ bug 7068740
* @ summary JTable wrapped in JLayer can ' t use PGUP / PGDOWN keys
* @ author Vladislav Karnaukhov
* @ run main bug7068740
*/
import javax.swing.*;
import javax.swing.plaf.LayerUI;
import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.table.DefaultTableModel;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.atomic.AtomicInteger;
public class bug7068740 extends JFrame {
private static Robot robot = null ;
private static JTable table = null ;
bug7068740() {
super ();
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
DefaultTableModel model = new DefaultTableModel() {
@Override
public int getRowCount() {
return 20 ;
}
@Override
public int getColumnCount() {
return 2 ;
}
@Override
public Object getValueAt(int row, int column) {
return "(" + row + "," + column + ")" ;
}
};
table = new JTable(model);
table.setRowSelectionInterval(0 , 0 );
LayerUI<JComponent> layerUI = new LayerUI<>();
JLayer<JComponent> layer = new JLayer<>(table, layerUI);
JScrollPane scrollPane = new JScrollPane(layer);
add(scrollPane);
pack();
setLocationRelativeTo(null );
}
private static void setUp() {
try {
if (robot == null ) {
robot = new Robot();
robot.setAutoDelay(50 );
}
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
bug7068740 test = new bug7068740();
test.setVisible(true );
}
});
} catch (InterruptedException e) {
e.printStackTrace();
throw new RuntimeException("Test failed" );
} catch (InvocationTargetException e) {
e.printStackTrace();
throw new RuntimeException("Test failed" );
} catch (AWTException e) {
e.printStackTrace();
throw new RuntimeException("Test failed" );
}
}
private static int getSelectedRow() throws Exception {
final AtomicInteger row = new AtomicInteger(-1 );
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
row.set(table.getSelectedRow());
}
});
return row.intValue();
}
private static void doTest() throws Exception {
robot.waitForIdle();
robot.keyPress(KeyEvent.VK_PAGE_DOWN);
robot.keyRelease(KeyEvent.VK_PAGE_DOWN);
robot.waitForIdle();
if (getSelectedRow() != 19 ) {
throw new RuntimeException("Test failed" );
}
robot.keyPress(KeyEvent.VK_PAGE_UP);
robot.keyRelease(KeyEvent.VK_PAGE_UP);
robot.waitForIdle();
if (getSelectedRow() != 0 ) {
throw new RuntimeException("Test failed" );
}
}
public static void main(String[] args) throws Exception {
try {
UIManager.setLookAndFeel(new MetalLookAndFeel());
setUp();
doTest();
} catch (UnsupportedLookAndFeelException e) {
e.printStackTrace();
throw new RuntimeException("Test failed" );
}
}
}
Messung V0.5 in Prozent C=100 H=96 G=97
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-11)
¤
*© Formatika GbR, Deutschland