Java example source code file (bug6263446.java)

This example Java source code file (bug6263446.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

all, awt, defaultcelleditor, event, exception, first, gui, jframe, jtable, jtextfield, override, point, robot, runnable, runtimeexception, second, string, suntoolkit, swing, table

The bug6263446.java Java example source code

/*
 * Copyright (c) 2011, 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 6263446
 * @summary Tests that double-clicking to edit a cell doesn't select the content.
 * @author Shannon Hickey
 * @run main bug6263446
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import sun.awt.SunToolkit;

public class bug6263446 {

    private static JTable table;
    private static final String FIRST = "AAAAA";
    private static final String SECOND = "BB";
    private static final String ALL = FIRST + " " + SECOND;
    private static Robot robot;

    public static void main(String[] args) throws Exception {
        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
        robot = new Robot();
        robot.setAutoDelay(50);

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {
                createAndShowGUI();
            }
        });


        toolkit.realSync();

        Point point = getClickPoint();
        robot.mouseMove(point.x, point.y);
        toolkit.realSync();

        click(1);
        toolkit.realSync();
        assertEditing(false);

        click(2);
        toolkit.realSync();
        checkSelectedText(null);

        click(3);
        toolkit.realSync();
        checkSelectedText(FIRST);


        click(4);
        toolkit.realSync();
        checkSelectedText(ALL);

        setClickCountToStart(1);

        click(1);
        toolkit.realSync();
        checkSelectedText(null);

        click(2);
        toolkit.realSync();
        checkSelectedText(FIRST);

        click(3);
        toolkit.realSync();
        checkSelectedText(ALL);

        setClickCountToStart(3);

        click(1);
        toolkit.realSync();
        assertEditing(false);

        click(2);
        toolkit.realSync();
        assertEditing(false);

        click(3);
        toolkit.realSync();
        checkSelectedText(null);

        click(4);
        toolkit.realSync();
        checkSelectedText(FIRST);

        click(5);
        toolkit.realSync();
        checkSelectedText(ALL);


        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                table.editCellAt(0, 0);
            }
        });

        toolkit.realSync();
        assertEditing(true);

        click(2);
        toolkit.realSync();
        checkSelectedText(FIRST);

    }

    private static void checkSelectedText(String sel) throws Exception {
        assertEditing(true);
        checkSelection(sel);
        cancelCellEditing();
        assertEditing(false);
    }

    private static void setClickCountToStart(final int clicks) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                DefaultCellEditor editor =
                        (DefaultCellEditor) table.getDefaultEditor(String.class);
                editor.setClickCountToStart(clicks);
            }
        });

    }

    private static void cancelCellEditing() throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                table.getCellEditor().cancelCellEditing();
            }
        });
    }

    private static void checkSelection(final String sel) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                DefaultCellEditor editor =
                        (DefaultCellEditor) table.getDefaultEditor(String.class);
                JTextField field = (JTextField) editor.getComponent();
                String text = field.getSelectedText();
                if (sel == null) {
                    if (text != null && text.length() != 0) {
                        throw new RuntimeException("Nothing should be selected,"
                                + " but \"" + text + "\" is selected.");
                    }
                } else if (!sel.equals(text)) {
                    throw new RuntimeException("\"" + sel + "\" should be "
                            + "selected, but \"" + text + "\" is selected.");
                }
            }
        });
    }

    private static void assertEditing(final boolean editing) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                if (editing && !table.isEditing()) {
                    throw new RuntimeException("Table should be editing");
                }
                if (!editing && table.isEditing()) {
                    throw new RuntimeException("Table should not be editing");
                }
            }
        });
    }

    private static Point getClickPoint() throws Exception {
        final Point[] result = new Point[1];
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                Rectangle rect = table.getCellRect(0, 0, false);
                Point point = new Point(rect.x + rect.width / 5,
                        rect.y + rect.height / 2);
                SwingUtilities.convertPointToScreen(point, table);
                result[0] = point;
            }
        });

        return result[0];
    }

    private static void click(int times) {
        robot.delay(500);
        for (int i = 0; i < times; i++) {
            robot.mousePress(InputEvent.BUTTON1_MASK);
            robot.mouseRelease(InputEvent.BUTTON1_MASK);
        }
    }

    private static TableModel createTableModel() {
        String[] columnNames = {"Column 0"};
        String[][] data = {{ALL}};

        return new DefaultTableModel(data, columnNames);
    }

    private static void createAndShowGUI() {
        JFrame frame = new JFrame("bug6263446");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        table = new JTable(createTableModel());
        frame.add(table);
        frame.pack();
        frame.setVisible(true);
    }
}