Java tutorial
/* * Copyright (c) 1997, 2014, 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 javax.swing.event; import java.util.EventListener; /** * A popup menu listener * * @author Arnaud Weber */ public interface PopupMenuListener extends EventListener { /** * This method is called before the popup menu becomes visible * * @param e a {@code PopupMenuEvent} containing the source of the event */ void popupMenuWillBecomeVisible(PopupMenuEvent e); /** * This method is called before the popup menu becomes invisible * Note that a JPopupMenu can become invisible any time * * @param e a {@code PopupMenuEvent} containing the source of the event */ void popupMenuWillBecomeInvisible(PopupMenuEvent e); /** * This method is called when the popup menu is canceled * * @param e a {@code PopupMenuEvent} containing the source of the event */ void popupMenuCanceled(PopupMenuEvent e); }