/*
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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 ) .
*
* 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
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*/
/*
* @ test
* @ key headful
* @ bug 4330357
* @ summary Tests that real editor in JTree cleans up after editing was stopped
* @ library . . / . . / regtesthelpers
* @ build Util
* @ author Peter Zhelezniakov
* @ run main bug4330357
*/
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.tree.DefaultTreeCellEditor;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellEditor;
public class bug4330357 {
private static JFrame frame;
private static JTree tree;
private static JButton button;
private static Robot robot;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoDelay(50 );
UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel" );
try {
javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
createAndShowGUI();
}
});
robot.waitForIdle();
clickMouse(getTreeRowClickPoint(1 ));
Util.hitKeys(robot, KeyEvent.VK_F2);
Util.hitKeys(robot, KeyEvent.VK_A, KeyEvent.VK_B, KeyEvent.VK_C);
robot.waitForIdle();
if (!hasComponent(JTextField.class )) {
throw new RuntimeException("Cell editor is missed for path: color" );
}
clickMouse(getButtonClickPoint());
robot.waitForIdle();
clickMouse(getTreeRowClickPoint(2 ));
Util.hitKeys(robot, KeyEvent.VK_F2);
robot.waitForIdle();
if (!hasComponent(JComboBox.class )) {
throw new RuntimeException("Cell editor is missed for path: sports" );
}
if (hasComponent(JTextField.class )) {
throw new RuntimeException("Cell editor is wrongly shown for path: color" );
}
} finally {
if (frame != null ) {
SwingUtilities.invokeAndWait(frame::dispose);
}
}
}
static void clickMouse(Point point) {
robot.mouseMove(point.x, point.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
}
private static Point getTreeRowClickPoint(final int row) throws Exception {
final Point[] result = new Point[1 ];
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
Rectangle rect = tree.getRowBounds(row);
Point p = new Point(rect.x + rect.width / 2 , rect.y + 2 );
SwingUtilities.convertPointToScreen(p, tree);
result[0 ] = p;
}
});
return result[0 ];
}
private static Point getButtonClickPoint() throws Exception {
final Point[] result = new Point[1 ];
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
Point p = button.getLocationOnScreen();
Dimension size = button.getSize();
result[0 ] = new Point(p.x + size.width / 2 , p.y + size.height / 2 );
}
});
return result[0 ];
}
static boolean hasComponent(final Class cls) throws Exception {
final boolean [] result = new boolean [1 ];
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
result[0 ] = Util.findSubComponent(tree, cls.getName()) != null ;
}
});
return result[0 ];
}
private static void createAndShowGUI() {
frame = new JFrame("Test" );
frame.setSize(200 , 200 );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
tree = new JTree();
tree.setEditable(true );
final TestEditor testEditor = new TestEditor();
tree.setCellEditor(new DefaultTreeCellEditor(tree,
(DefaultTreeCellRenderer) tree.getCellRenderer(),
testEditor));
button = new JButton("stop" );
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
testEditor.stopCellEditing();
}
});
frame.getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER);
frame.getContentPane().add(button, BorderLayout.SOUTH);
frame.setVisible(true );
}
static class TestEditor extends AbstractCellEditor implements TreeCellEditor {
private JComboBox comboBox;
private JTextField textField;
private boolean comboBoxActive;
TestEditor() {
comboBox = new JComboBox(new String[]{"one" , "two" });
textField = new JTextField();
}
public Component getTreeCellEditorComponent(JTree tree, Object value,
boolean isSelected,
boolean expanded,
boolean leaf, int row) {
if (row % 2 == 0 ) {
comboBoxActive = true ;
return comboBox;
}
comboBoxActive = false ;
return textField;
}
public Object getCellEditorValue() {
if (comboBoxActive) {
return comboBox.getSelectedItem();
}
return textField.getText();
}
}
}
Messung V0.5 in Prozent C=94 H=98 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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