/******************************************************************************* * Copyright (c) 2000, 2016 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 SelectionListener interface. *

* Classes that wish to deal with SelectionEvents 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 SelectionListener#widgetSelectedAdapter(java.util.function.Consumer)} * and * {@link SelectionListener#widgetDefaultSelectedAdapter(java.util.function.Consumer)}, * which accept a lambda expression or a method reference that implements the event consumer. *

* * @see SelectionListener * @see SelectionEvent * @see Sample code and further information */ public abstract class SelectionAdapter implements SelectionListener { /** * Sent when selection occurs in the control. * The default behavior is to do nothing. * * @param e an event containing information about the selection */ @Override public void widgetSelected(SelectionEvent e) { } /** * Sent when default selection occurs in the control. * The default behavior is to do nothing. * * @param e an event containing information about the default selection */ @Override public void widgetDefaultSelected(SelectionEvent e) { } }