Java tutorial
/* * Copyright (c) 2011, 2013, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package javafx.event; /** * An {@link Event} representing some type of action. This event type is widely * used to represent a variety of things, such as when a {@link javafx.scene.control.Button} * has been fired, when a {@link javafx.animation.KeyFrame} has finished, and other * such usages. * @since JavaFX 2.0 */ public class ActionEvent extends Event { private static final long serialVersionUID = 20121107L; /** * The only valid EventType for the ActionEvent. */ public static final EventType<ActionEvent> ACTION = new EventType<ActionEvent>(Event.ANY, "ACTION"); /** * Common supertype for all action event types. * @since JavaFX 8.0 */ public static final EventType<ActionEvent> ANY = ACTION; /** * Creates a new {@code ActionEvent} with an event type of {@code ACTION}. * The source and target of the event is set to {@code NULL_SOURCE_TARGET}. */ public ActionEvent() { super(ACTION); } /** * Construct a new {@code ActionEvent} with the specified event source and target. * If the source or target is set to {@code null}, it is replaced by the * {@code NULL_SOURCE_TARGET} value. All ActionEvents have their type set to * {@code ACTION}. * * @param source the event source which sent the event * @param target the event target to associate with the event */ public ActionEvent(Object source, EventTarget target) { super(source, target, ACTION); } @Override public ActionEvent copyFor(Object newSource, EventTarget newTarget) { return (ActionEvent) super.copyFor(newSource, newTarget); } @Override public EventType<? extends ActionEvent> getEventType() { return (EventType<? extends ActionEvent>) super.getEventType(); } }