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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
* @key headful
* @bug 8236907
* @summary Verifies if JTable last row is visible.
* @run main LastVisibleRow
*/
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.InputEvent;
import java.awt.image.BufferedImage;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import javax.imageio.ImageIO;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
public class LastVisibleRow {
static JFrame frame;
static JTable table;
static Robot testRobot;
public static void main(String[] args) throws Exception {
Point clkPoint;
try {
testRobot = new Robot();
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
createAndShowGUI();
}
});
testRobot.delay(1000);
testRobot.waitForIdle();
BufferedImage bufferedImageBefore = testRobot.createScreenCapture(getCaptureRect());
testRobot.delay(1000);
testRobot.waitForIdle();
clkPoint = getMousePosition();
mouseEvents(clkPoint);
testRobot.waitForIdle();
clearSelect();
testRobot.delay(1000);
testRobot.waitForIdle();
BufferedImage bufferedImageAfter = testRobot.createScreenCapture(getCaptureRect());
testRobot.delay(1000);
if (!compare(bufferedImageBefore, bufferedImageAfter)) {
ImageIO.write(bufferedImageBefore, "png",
new File("bufferedImageBefore.png"));
ImageIO.write(bufferedImageAfter, "png",
new File("bufferedImageAfter.png"));
throw new RuntimeException("Test Case Failed!!, Last Row not Visible!!!");
}
} finally {
if (frame != null) SwingUtilities.invokeAndWait(() -> frame.dispose());
}
}
// Get clickable screen point for particular row and column of a table
private static Point getCellClickPoint(final int row, final int column) {
Rectangle rect = table.getCellRect(row, column, false);
Point clickPoint = new Point(rect.x + rect.width / 2,
rect.y + rect.height / 2);
SwingUtilities.convertPointToScreen(clickPoint, table);
return clickPoint;
}
private static void createAndShowGUI() {
final PrintRequestAttributeSet printReqAttr = new HashPrintRequestAttributeSet();
printReqAttr.add(javax.print.attribute.standard.OrientationRequested.LANDSCAPE);
frame = new JFrame();
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
Container contentPane = frame.getContentPane();
JPanel centerPane = new JPanel(new BorderLayout());
centerPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
JPanel tablePaneContainer = new JPanel(new BorderLayout());
JPanel tablePane = new JPanel(new BorderLayout());
table = new JTable(new Object[][]{{"row_1_col_1", "row_1_col_2", "row_1_col_3"},
{"row_2_col_1", "row_2_col_2", "row_2_col_3"}, {"row_3_col_1", "row_3_col_2",
"row_3_col_3"}, {"row_4_col_1", "row_4_col_2", "row_4_col_3"}},
new String[]{"Col1", "Col2", "Col3"});
table.setPreferredSize(new Dimension(0, (table.getRowHeight() * 3)));
tablePane.add(table.getTableHeader(), BorderLayout.NORTH);
tablePane.add(table, BorderLayout.CENTER);
tablePaneContainer.add(tablePane, BorderLayout.CENTER);
centerPane.add(tablePaneContainer, BorderLayout.NORTH);
contentPane.add(centerPane, BorderLayout.CENTER);
frame.setSize(400, 120);
frame.setVisible(true);
frame.setLocationRelativeTo(null);
}
// mouseEvents for last row click
private static void mouseEvents(Point clkPnt) {
testRobot.mouseMove(clkPnt.x, clkPnt.y);
testRobot.delay(50);
testRobot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
testRobot.delay(50);
testRobot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
testRobot.delay(50);
}
// getMousePosition Actions for last row click
private static Point getMousePosition() throws Exception {
final Point[] clickPoint = new Point[1];
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
clickPoint[0] = getCellClickPoint(2, 0);
}
});
return clickPoint[0];
}
// Clears the selected table row
private static void clearSelect() throws Exception {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
table.getSelectionModel().clearSelection();
table.setFocusable(false);
}
});
}
// getCaptureRect Method - To Compute the Rectangle Area of last row
private static Rectangle getCaptureRect() throws InterruptedException, InvocationTargetException {
final Rectangle[] captureRect = new Rectangle[1];
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
Rectangle cellRect = table.getCellRect(2, 0, true);
Point point = new Point(cellRect.x, cellRect.y);
SwingUtilities.convertPointToScreen(point, table);
captureRect[0] = new Rectangle(point.x+5, point.y+2,
table.getColumnCount() * cellRect.width - 10,
cellRect.height-2);
}
});
return captureRect[0];
}
// Compare method - to compare two images.
static Boolean compare(BufferedImage bufferedImage1, BufferedImage bufferedImage2) {
if (bufferedImage1.getWidth() == bufferedImage2.getWidth()
&& bufferedImage1.getHeight() == bufferedImage2.getHeight()) {
for (int x = 0; x < bufferedImage1.getWidth(); x++) {
for (int y = 0; y < bufferedImage1.getHeight(); y++) {
if (bufferedImage1.getRGB(x, y) != bufferedImage2.getRGB(x, y)) {
return false;
}
}
}
} else {
return false;
}
return true;
}
}
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