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/*
* Copyright (c) 2016, 2016, 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
* @key headful
* @bug 8033936 8172510
* @summary Verify that correct ItemEvent is received while selection &
* deselection of multi select List items.
*/
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);
robot.waitForIdle();
}
// 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.waitForIdle();
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.waitForIdle();
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();
}
}
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