/*

 * 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.

 */

import java.awt.Component;

import java.awt.Container;

import java.awt.Point;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.event.InputEvent;

import java.awt.event.KeyEvent;

import java.io.File;

import java.io.IOException;

import javax.swing.JFileChooser;

import javax.swing.SwingUtilities;

import java.nio.file.Files;

import javax.swing.AbstractButton;

import javax.swing.JTable;

import javax.swing.UIManager;

/**

 * @test

 * @bug 7199708

 * @author Alexander Scherbatiy

 * @summary FileChooser crashs when opening large folder

 * @run main bug7199708

 */

public class bug7199708 {

    private static int FILE_NUMBER = 30000;

    private static volatile JFileChooser fileChooser;

    private static volatile int locationX;

    private static volatile int locationY;

    private static volatile int width;

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

        Robot robot = new Robot();

        robot.setAutoDelay(50);

        final File folder = createLargeFolder();

        UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");

        SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                fileChooser = new JFileChooser(folder);

                fileChooser.showSaveDialog(null);

            }

        });

        robot.waitForIdle();

        SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                final String detailsTooltip = UIManager.getString("FileChooser."

                        + "detailsViewButtonToolTipText", fileChooser.getLocale());

                doAction(fileChooser, new ComponentAction() {

                    @Override

                    public boolean accept(Component component) {

                        return (component instanceof AbstractButton)

                                && detailsTooltip.equals(

                                ((AbstractButton) component).getToolTipText());

                    }

                    @Override

                    public void perform(Component component) {

                        ((AbstractButton) component).doClick();

                    }

                });

                doAction(fileChooser, new ComponentAction() {

                    @Override

                    public boolean accept(Component component) {

                        return (component instanceof JTable);

                    }

                    @Override

                    public void perform(Component component) {

                        Point tableLocation = component.getLocationOnScreen();

                        locationX = (int) tableLocation.getX();

                        locationY = (int) tableLocation.getY();

                        width = (int) fileChooser.getBounds().getWidth();

                    }

                });

            }

        });

        robot.waitForIdle();

        int d = 25;

        for (int i = 0; i < width / d; i++) {

            robot.mouseMove(locationX + i * d, locationY + 5);

            robot.mousePress(InputEvent.BUTTON1_MASK);

            robot.mouseRelease(InputEvent.BUTTON1_MASK);

            robot.waitForIdle();

        }

        robot.keyPress(KeyEvent.VK_ESCAPE);

        robot.keyRelease(KeyEvent.VK_ESCAPE);

    }

    static void doAction(Component component, ComponentAction action) {

        if (action.accept(component)) {

            action.perform(component);

        } else if (component instanceof Container) {

            for (Component comp : ((Container) component).getComponents()) {

                doAction(comp, action);

            }

        }

    }

    private static File createLargeFolder() {

        try {

            File largeFolder = Files.createTempDirectory("large_folder").toFile();

            largeFolder.deleteOnExit();

            for (int i = 0; i < FILE_NUMBER; i++) {

                File file = new File(largeFolder, "File_" + i + ".txt");

                file.createNewFile();

                file.deleteOnExit();

            }

            return largeFolder;

        } catch (IOException ex) {

            throw new RuntimeException(ex);

        }

    }

    interface ComponentAction {

        boolean accept(Component component);

        void perform(Component component);

    }

}