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/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.events;


/**
 * This adapter class provides default implementations for the
 * methods described by the MenuListener interface.
 * 

* Classes that wish to deal with MenuEvents can * extend this class and override only the methods which they are * interested in. *

*

* An alternative to this class are the static helper methods * {@link MenuListener#menuHiddenAdapter(java.util.function.Consumer)} * and * {@link MenuListener#menuShownAdapter(java.util.function.Consumer)}, * which accept a lambda expression or a method reference that implements the event consumer. *

* * @see MenuListener * @see MenuEvent * @see Sample code and further information */ public abstract class MenuAdapter implements MenuListener { /** * Sent when a menu is hidden. * The default behavior is to do nothing. * * @param e an event containing information about the menu operation */ @Override public void menuHidden(MenuEvent e) { } /** * Sent when a menu is shown. * The default behavior is to do nothing. * * @param e an event containing information about the menu operation */ @Override public void menuShown(MenuEvent e) { } }




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