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Java example source code file (bug6884066.java)

This example Java source code file (bug6884066.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt, event, gui, jframe, jtable, jtableheader, object, point, robot, runnable, runtimeexception, string, suntoolkit, swing, table, tablecolumnmodel, unexpected

The bug6884066.java Java example source code

/*
 * Copyright (c) 2010, 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 6884066
   @summary JTableHeader listens mouse in disabled state and doesn't work when not attached to a table
   @author Alexander Potochkin
   @run main bug6884066
*/

import sun.awt.SunToolkit;

import javax.swing.*;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableColumn;
import java.awt.*;
import java.awt.event.InputEvent;

import com.sun.java.swing.plaf.windows.WindowsLookAndFeel;

public class bug6884066 {
    private static JTableHeader header;

    public static void main(String[] args) throws Exception {

        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
        Robot robot = new Robot();
        robot.setAutoDelay(20);
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                // just to quickly grab a column model
                JTable table = new JTable(10, 5);
                header = new JTableHeader(table.getColumnModel());
                checkColumn(0, "A");
                JFrame frame = new JFrame("standalone header");
                frame.add(header);
                frame.pack();
                frame.setVisible(true);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            }
        });
        toolkit.realSync();
        Point point = header.getLocationOnScreen();
        robot.mouseMove(point.x + 3, point.y + 3);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        for (int i = 0; i < header.getWidth() - 3; i++) {
            robot.mouseMove(point.x + i, point.y + 3);
        }
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                TableColumnModel model = header.getColumnModel();
                checkColumn(model.getColumnCount() - 1, "A");
            }
        });
    }

    private static void checkColumn(int index, String str) {
        TableColumnModel model = header.getColumnModel();
        Object value = model.getColumn(index).getHeaderValue();
        if (!str.equals(value)) {
            throw new RuntimeException("Unexpected header's value; " +
                    "index = " + index + " value = " + value);
        }
    }
}

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