/*

 * 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.AWTException;

import java.awt.Event;

import java.awt.FlowLayout;

import java.awt.Frame;

import java.awt.List;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.Robot;

import java.awt.event.KeyEvent;

import java.awt.event.InputEvent;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

public class ItemEventTest extends Frame

{

    List list;

    final String expectedSelectionOrder;

    StringBuilder actualSelectionOrder;

    Robot robot;

    public ItemEventTest()

    {

        try {

            robot = new Robot();

        } catch(AWTException e) {

            throw new RuntimeException(e.getMessage());

        }

        expectedSelectionOrder = "01230123";

        list = new List(4, true);

        list.add("0");

        list.add("1");

        list.add("2");

        list.add("3");

        add(list);

        setSize(400,400);

        setLayout(new FlowLayout());

        pack();

        setVisible(true);

        robot.waitForIdle();

    }

    @Override

    public boolean handleEvent(Event e) {

        if (e.target instanceof List) {

            if (e.id == Event.LIST_DESELECT || e.id == Event.LIST_SELECT) {

                actualSelectionOrder.append(e.arg);

            }

        }

        return true;

    }

    void testHandleEvent() {

        // When no ItemListener is added to List, parent's handleEvent is

        // called with ItemEvent.

        performTest();

    }

    void testItemListener() {

        list.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent ie) {

                actualSelectionOrder.append(ie.getItem());

            }

        });

        performTest();

    }

    void performTest() {

        actualSelectionOrder = new StringBuilder();

        Point loc = list.getLocationOnScreen();

        Rectangle rect = list.getBounds();

        int dY = rect.height / list.getItemCount();

        loc = new Point(loc.x + 10, loc.y + 5);

        String osName = System.getProperty("os.name");

        boolean isMac = osName.contains("Mac") || osName.contains("mac");

        if(isMac) {

            robot.keyPress(KeyEvent.VK_META);

        }

        // First loop to select & Second loop to deselect the list items.

        for (int j = 0; j < 2; ++j) {

            for (int i = 0; i < list.getItemCount(); ++i) {

                robot.mouseMove(loc.x, loc.y + i * dY);

                robot.mousePress(InputEvent.BUTTON1_MASK);

                robot.delay(100);

                robot.mouseRelease(InputEvent.BUTTON1_MASK);

                robot.waitForIdle();

            }

        }

        if(isMac) {

            robot.keyRelease(KeyEvent.VK_META);

        }

        if (!expectedSelectionOrder.equals(actualSelectionOrder.toString())) {

            dispose();

            throw new RuntimeException("ItemEvent for selection & deselection"

                + " of multi select List's item is not correct"

                + " Expected : " + expectedSelectionOrder

                + " Actual : " + actualSelectionOrder);

        }

    }

    public static void main(String args[]) {

       ItemEventTest test = new ItemEventTest();

       test.testHandleEvent();

       test.testItemListener();

       test.dispose();

    }

}