Java example source code file (bug4514858.java)

This example Java source code file (bug4514858.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, border, button, event, gui, jbutton, jframe, jpanel, jsplitpane, metal, motif, move, pass, string, swing, test, the, then, titledborder

The bug4514858.java Java example source code

/*
 * Copyright (c) 2013, 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 4514858 4164779
   @summary F6, F8 Ctrl-TAB and Ctrl-Shift-TAB in JSplitPane
   @author Andrey Pikalev
   @run main/manual bug4514858
*/

import javax.swing.*;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.*;


public class bug4514858  implements ActionListener {

    static String intructions = "Test the F6, F8, Ctrl-TAB and Ctrl-Shift-TAB keybinding functionality in JSplitPane\n" +
            "with different LookAndFeels (switch LookAndFeel with the buttoms at the bottom of the\n" +
            "frame \"Test\"):\n\n" +
            "1. Move focus to the button \"Button 1\" in the frame \"Test\". Then press F6 several times.\n" +
            "The focus should cycle between five buttons in order from 1 to 5.\n\n" +
            "2. Move focus to the button \"Button 2\" in the frame \"Test\". Then press F8 three times.\n" +
            "The splitters of the splitpanes should be highlited in order:\n" +
            "\"JSplitPane 3\", \"JSplitPane 2\", \"JSplitPane 1\".\n\n" +
            "3. Move focus to the button \"Button 2\" in the frame \"Test\". Press Ctrl-TAB.\n" +
            "The focus should go to the \"Button 4\". Then press Ctrl-TAB again.\n" +
            "The focus should go to the first enabled button at the bottom of frame.\n\n" +
            "4. Move focus to the button \"Button 4\" in the frame \"Test\". Press Ctrl-Shift-TAB three times.\n" +
            "The focus should go through the button \"Button 3\", then \"Button 1\", then to the last\n" +
            "enabled button at the bottom of frame.";
    static Test test = new Test();
    JFrame fr;
    public static void main(String[] argv) throws Exception {
        UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                new bug4514858().createAndShowGUI();
            }
        });
        test.waitTestResult();
    }
    public void createAndShowGUI() {
        fr = new JFrame("Test");

        //-------------------------------------------------------------
        JButton left2 = new JButton("Button 1");

        JButton left3 = new JButton("Button 2");
        JButton right3 = new JButton("Button 3");

        JSplitPane right2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT, left3, right3);
        right2.setBorder(new TitledBorder("JSplitPane 3"));

        JSplitPane left1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, left2, right2);
        left1.setBorder(new TitledBorder("JSplitPane 2"));

        JButton left4 = new JButton("Button 4");
        JButton right4 = new JButton("Button 5");

        JSplitPane right1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, left4, right4);
        right1.setBorder(new TitledBorder("JSplitPane 4"));

        JSplitPane sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, left1, right1);
        sp.setBorder(new TitledBorder("JSplitPane 1"));
        fr.getContentPane().add(sp);

        //-------------------------------------------------------------
        JPanel p = new JPanel();

        JButton metal = new JButton("Metal");
        metal.setActionCommand("Metal");
        metal.setEnabled(isSupportedLAF("javax.swing.plaf.metal.MetalLookAndFeel"));
        metal.addActionListener(this);
        p.add(metal);

        JButton motif = new JButton("Motif");
        motif.setActionCommand("Motif");
        motif.setEnabled(isSupportedLAF("com.sun.java.swing.plaf.motif.MotifLookAndFeel"));
        motif.addActionListener(this);
        p.add(motif);

        JButton windows = new JButton("Windows");
        windows.setActionCommand("Windows");
        windows.setEnabled(isSupportedLAF("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"));
        windows.addActionListener(this);
        p.add(windows);

        fr.getContentPane().add(p, BorderLayout.SOUTH);

        fr.pack();
        fr.setVisible(true);

        JFrame instrFrame = test.createTestFrame("bug4514858 instructions", null, intructions, 250);
        instrFrame.setBounds(fr.getWidth() + 50, fr.getHeight(), 600, 400);
        instrFrame.setVisible(true);
    }

    private boolean isSupportedLAF(String str) {
        try {
            Class c = Class.forName(str);
            LookAndFeel laf = (LookAndFeel)c.newInstance();
            return laf.isSupportedLookAndFeel();
        } catch (Exception e) {
            return false;
        }
    }

    public void actionPerformed(ActionEvent e) {
        String s = e.getActionCommand();
        if (s.equals("Metal")) {
            s = "javax.swing.plaf.metal.MetalLookAndFeel";
        } else if (s.equals("Motif")) {
            s = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
        } else {
            s = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
        }
        try {
            UIManager.setLookAndFeel(s);
            SwingUtilities.updateComponentTreeUI(fr);
            fr.pack();
        } catch(Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }
   static class Test {
        private boolean pass;
        JFrame createTestFrame(String name, Component topComponent, String instructions, int instrHeight) {
            final String PASS = "Pass";
            final String FAIL = "Fail";
            JFrame frame = new JFrame(name);
            frame.setLayout(new BorderLayout());

            JPanel testButtonsPanel = new JPanel();
            testButtonsPanel.setMaximumSize(new Dimension(Integer.MAX_VALUE, 20));

            ActionListener btnAL = new ActionListener() {
                public void actionPerformed(ActionEvent event) {
                    switch (event.getActionCommand()) {
                        case PASS:
                            pass();
                            break;
                        default:
                            throw new RuntimeException("Test failed.");
                    }
                }
            };
            JButton passBtn = new JButton(PASS);
            passBtn.addActionListener(btnAL);
            passBtn.setActionCommand(PASS);

            JButton failBtn = new JButton(FAIL);
            failBtn.addActionListener(btnAL);
            failBtn.setActionCommand(FAIL);

            testButtonsPanel.add(BorderLayout.WEST, passBtn);
            testButtonsPanel.add(BorderLayout.EAST, failBtn);

            JTextArea instrText = new JTextArea();
            instrText.setLineWrap(true);
            instrText.setEditable(false);
            JScrollPane instrScrollPane = new JScrollPane(instrText);
            instrScrollPane.setMaximumSize(new Dimension(Integer.MAX_VALUE, instrHeight));
            instrText.append(instructions);

            JPanel servicePanel = new JPanel();
            servicePanel.setLayout(new BorderLayout());
            if (topComponent == null) {
                frame.add(BorderLayout.CENTER, instrScrollPane);
            } else {
                servicePanel.add(BorderLayout.CENTER, instrScrollPane);
                frame.add(BorderLayout.CENTER, topComponent);
            }
            servicePanel.add(BorderLayout.SOUTH, testButtonsPanel);

            frame.add(BorderLayout.SOUTH, servicePanel);
            return frame;
        }
        synchronized void pass() {
            pass = true;
            notifyAll();
        }
        synchronized void waitTestResult() throws InterruptedException {
            while (!pass) {
                wait();
            }
        }
    }
}