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Java example source code file (bug4885629.java)

This example Java source code file (bug4885629.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, basicsplitpaneui, border, color, dimension, fooid, fooname, gui, jcomponent, jframe, jpanel, point, robot, runnable, string, suntoolkit, swing, the

The bug4885629.java Java example source code

/*
 * Copyright (c) 2011, 2012, 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 4885629
 * @summary With JSplitPane in VERTICAL_SPLIT, SplitPaneBorder draws bottom edge of divider
 * @author Andrey Pikalev
 */

import sun.awt.SunToolkit;

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.basic.BasicBorders;
import javax.swing.plaf.basic.BasicLookAndFeel;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import java.awt.*;


public class bug4885629 {

    private static final Color darkShadow = new Color(100,120,200);
    private static final Color darkHighlight = new Color(200,120,50);
    private static final Color lightHighlight = darkHighlight.brighter();
    private static final Color BGCOLOR = Color.blue;

    private static JSplitPane sp;

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel(new BasicLookAndFeel() {
                public boolean isSupportedLookAndFeel(){ return true; }
                public boolean isNativeLookAndFeel(){ return false; }
                public String getDescription() { return "Foo"; }
                public String getID() { return "FooID"; }
                public String getName() { return "FooName"; }
        });

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                JFrame frame = new JFrame();

                JComponent a = new JPanel();
                a.setBackground(Color.white);
                a.setMinimumSize(new Dimension(10, 10));

                JComponent b = new JPanel();
                b.setBackground(Color.white);
                b.setMinimumSize(new Dimension(10, 10));

                sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, a, b);
                sp.setPreferredSize(new Dimension(20, 20));
                sp.setBackground(BGCOLOR);

                Border bo = new BasicBorders.SplitPaneBorder(lightHighlight,
                        Color.red);
                Border ibo = new EmptyBorder(0, 0, 0, 0);
                sp.setBorder(bo);
                sp.setMinimumSize(new Dimension(200, 200));

                ((BasicSplitPaneUI) sp.getUI()).getDivider().setBorder(ibo);

                frame.getContentPane().setLayout(new FlowLayout());
                frame.getContentPane().setBackground(darkShadow);
                frame.getContentPane().add(sp);

                frame.setSize(200, 200);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });

        ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();

        final Robot robot = new Robot();
        robot.delay(1000);

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                Rectangle rect = ((BasicSplitPaneUI) sp.getUI()).getDivider().getBounds();

                Point p = rect.getLocation();

                SwingUtilities.convertPointToScreen(p, sp);

                for (int i = 0; i < rect.width; i++) {
                    if (!BGCOLOR.equals(robot.getPixelColor(p.x + i, p.y + rect.height - 1))) {
                        throw new Error("The divider's area has incorrect color.");
                    }
                }
            }
        });
    }
}

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