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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ key headful
* @ bug 4275046
* @ summary Tests editable combo box as a table editor .
* @ run main bug4275046
*/
import java.awt.AWTException;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.DefaultCellEditor;
import javax.swing.SwingUtilities;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
public class bug4275046 {
private static final String[] colNames = { "ID" , "Color" , "Stuff" };
private static final Object[][] data = { { 1 , "red" , "abc" },
{ 2 , "red" , "def" },
{ 3 , "red" , "ghijk" } };
private static final String EXPECTED_VALUE = "rededited" ;
private JFrame frame;
private JTable table;
private volatile Point tableLoc;
private volatile Rectangle cellRect;
private volatile Object editedValue;
private volatile boolean testResult;
private final Robot robot;
public static void main(String[] args) throws Exception {
final bug4275046 test = new bug4275046();
test.test();
}
public bug4275046() throws AWTException {
robot = new Robot();
robot.setAutoDelay(100 );
}
private void createGUI() {
frame = new JFrame("bug4275046" );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JComboBox<Object> cb = new JComboBox<>(
new Object[] {"blue" , "yellow" , "green" , "red" });
cb.setEditable(true );
DefaultCellEditor comboEditor = new DefaultCellEditor(cb);
comboEditor.setClickCountToStart(1 );
DefaultTableModel model = new DefaultTableModel(data, colNames);
table = new JTable(model);
table.getColumnModel().getColumn(1 ).setCellEditor(comboEditor);
frame.add(table);
frame.setLocationRelativeTo(null );
frame.pack();
frame.setSize(550 , 400 );
frame.setVisible(true );
}
private void test() throws Exception {
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
createGUI();
}
});
runTest();
checkResult();
} finally {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
if (frame != null ) {
frame.dispose();
}
}
});
}
}
private void runTest() throws Exception {
robot.waitForIdle();
robot.delay(1000 );
// Click the first cell in the "color" column
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
tableLoc = table.getLocationOnScreen();
cellRect = table.getCellRect(0 , 1 , true );
}
});
robot.mouseMove(tableLoc.x + cellRect.x + cellRect.width / 2 ,
tableLoc.y + cellRect.y + cellRect.height / 2 );
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.waitForIdle();
// Edit the cell
robot.keyPress(KeyEvent.VK_E);
robot.keyRelease(KeyEvent.VK_E);
robot.keyPress(KeyEvent.VK_D);
robot.keyRelease(KeyEvent.VK_D);
robot.keyPress(KeyEvent.VK_I);
robot.keyRelease(KeyEvent.VK_I);
robot.keyPress(KeyEvent.VK_T);
robot.keyRelease(KeyEvent.VK_T);
robot.keyPress(KeyEvent.VK_E);
robot.keyRelease(KeyEvent.VK_E);
robot.keyPress(KeyEvent.VK_D);
robot.keyRelease(KeyEvent.VK_D);
robot.delay(100 );
// Click another cell
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
cellRect = table.getCellRect(1 , 2 , true );
}
});
robot.mouseMove(tableLoc.x + cellRect.x + cellRect.width / 2 ,
tableLoc.y + cellRect.y + cellRect.height / 2 );
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(100 );
}
private void checkResult() throws Exception {
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
// Read the edited value of from the cell
editedValue = table.getModel().getValueAt(0 , 1 );
editedValue = ((String)editedValue).toLowerCase();
System.out.println("The edited value is = " + editedValue);
testResult = editedValue.equals(EXPECTED_VALUE);
if (testResult) {
System.out.println("Test passed" );
} else {
System.out.println("Test failed" );
}
}
});
if (!testResult) {
throw new RuntimeException("Expected value in the cell: '" +
EXPECTED_VALUE + "' but found '" + editedValue + "'." );
}
}
}
Messung V0.5 in Prozent C=94 H=89 G=91
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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