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/*******************************************************************************
* Copyright (c) 2010, SAP AG
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stefan Seelmann - initial implementation posted to
* http://www.eclipse.org/forums/index.php?t=msg&th=11863&start=2
*******************************************************************************/
package org.eclipse.egit.ui.test;
import static org.eclipse.swtbot.swt.finder.matchers.WidgetMatcherFactory.withMnemonic;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.instanceOf;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swtbot.swt.finder.exceptions.WidgetNotFoundException;
import org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable;
import org.eclipse.swtbot.swt.finder.results.VoidResult;
import org.eclipse.swtbot.swt.finder.results.WidgetResult;
import org.eclipse.swtbot.swt.finder.widgets.AbstractSWTBot;
import org.hamcrest.Matcher;
public class ContextMenuHelper {
/**
* Clicks the context menu matching the text.
*
* @param bot
*
* @param texts
* the text on the context menu.
* @throws WidgetNotFoundException
* if the widget is not found.
* @throws SWTException
* if the menu item is disabled (the root cause being an
* {@link IllegalStateException})
*/
public static void clickContextMenu(final AbstractSWTBot<?> bot,
final String... texts) {
// show
final MenuItem menuItem = UIThreadRunnable
.syncExec(new WidgetResult<MenuItem>() {
@SuppressWarnings("unchecked")
public MenuItem run() {
MenuItem theItem = getMenuItem(bot, texts);
if (theItem != null && !theItem.isEnabled())
throw new IllegalStateException(
"Menu item is diabled");
return theItem;
}
});
if (menuItem == null) {
throw new WidgetNotFoundException("Could not find menu: "
+ Arrays.asList(texts));
}
// click
click(menuItem);
// hide
UIThreadRunnable.syncExec(new VoidResult() {
public void run() {
hide(menuItem.getParent());
}
});
}
private static MenuItem getMenuItem(final AbstractSWTBot<?> bot,
final String... texts) {
MenuItem theItem = null;
Control control = (Control) bot.widget;
// for dynamic menus, we need to issue this event
control.notifyListeners(SWT.MenuDetect, new Event());
Menu menu = control.getMenu();
for (String text : texts) {
Matcher<?> matcher = allOf(instanceOf(MenuItem.class),
withMnemonic(text));
theItem = show(menu, matcher);
if (theItem != null) {
menu = theItem.getMenu();
} else {
hide(menu);
break;
}
}
return theItem;
}
/**
* Checks if the context menu matching the text is enabled
*
* @param bot
*
* @param texts
* the text on the context menu.
* @return true if the context menu is enabled
* @throws WidgetNotFoundException
* if the widget is not found.
*/
public static boolean isContextMenuItemEnabled(final AbstractSWTBot<?> bot,
final String... texts) {
final AtomicBoolean enabled = new AtomicBoolean(false);
// show
final MenuItem menuItem = UIThreadRunnable
.syncExec(new WidgetResult<MenuItem>() {
@SuppressWarnings("unchecked")
public MenuItem run() {
MenuItem theItem = getMenuItem(bot, texts);
if (theItem != null && theItem.isEnabled())
enabled.set(true);
return theItem;
}
});
if (menuItem == null) {
throw new WidgetNotFoundException("Could not find menu: "
+ Arrays.asList(texts));
}
// hide
UIThreadRunnable.syncExec(new VoidResult() {
public void run() {
hide(menuItem.getParent());
}
});
return enabled.get();
}
private static MenuItem show(final Menu menu, final Matcher<?> matcher) {
if (menu != null) {
menu.notifyListeners(SWT.Show, new Event());
MenuItem[] items = menu.getItems();
for (final MenuItem menuItem : items) {
if (matcher.matches(menuItem)) {
return menuItem;
}
}
menu.notifyListeners(SWT.Hide, new Event());
}
return null;
}
private static void click(final MenuItem menuItem) {
final Event event = new Event();
event.time = (int) System.currentTimeMillis();
event.widget = menuItem;
event.display = menuItem.getDisplay();
event.type = SWT.Selection;
UIThreadRunnable.asyncExec(menuItem.getDisplay(), new VoidResult() {
public void run() {
menuItem.notifyListeners(SWT.Selection, event);
}
});
}
private static void hide(final Menu menu) {
menu.notifyListeners(SWT.Hide, new Event());
if (menu.getParentMenu() != null) {
hide(menu.getParentMenu());
}
}
}
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