0N/A/*
2362N/A * Copyright (c) 1997, 2001, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/Apackage javax.swing.event;
0N/A
0N/Aimport java.awt.event.*;
0N/Aimport java.awt.*;
0N/Aimport javax.swing.*;
0N/A
0N/A/**
0N/A * An event reported to a child component that originated from an
0N/A * ancestor in the component hierarchy.
0N/A * <p>
0N/A * <strong>Warning:</strong>
0N/A * Serialized objects of this class will not be compatible with
0N/A * future Swing releases. The current serialization support is
0N/A * appropriate for short term storage or RMI between applications running
0N/A * the same version of Swing. As of 1.4, support for long term storage
0N/A * of all JavaBeans<sup><font size="-2">TM</font></sup>
0N/A * has been added to the <code>java.beans</code> package.
0N/A * Please see {@link java.beans.XMLEncoder}.
0N/A *
0N/A * @author Dave Moore
0N/A */
0N/Apublic class AncestorEvent extends AWTEvent {
0N/A /**
0N/A * An ancestor-component was added to the hierarchy of
0N/A * visible objects (made visible), and is currently being displayed.
0N/A */
0N/A public static final int ANCESTOR_ADDED = 1;
0N/A /**
0N/A * An ancestor-component was removed from the hierarchy
0N/A * of visible objects (hidden) and is no longer being displayed.
0N/A */
0N/A public static final int ANCESTOR_REMOVED = 2;
0N/A /** An ancestor-component changed its position on the screen. */
0N/A public static final int ANCESTOR_MOVED = 3;
0N/A
0N/A Container ancestor;
0N/A Container ancestorParent;
0N/A
0N/A /**
0N/A * Constructs an AncestorEvent object to identify a change
0N/A * in an ancestor-component's display-status.
0N/A *
0N/A * @param source the JComponent that originated the event
0N/A * (typically <code>this</code>)
0N/A * @param id an int specifying {@link #ANCESTOR_ADDED},
0N/A * {@link #ANCESTOR_REMOVED} or {@link #ANCESTOR_MOVED}
0N/A * @param ancestor a Container object specifying the ancestor-component
0N/A * whose display-status changed
0N/A * @param ancestorParent a Container object specifying the ancestor's parent
0N/A */
0N/A public AncestorEvent(JComponent source, int id, Container ancestor, Container ancestorParent) {
0N/A super(source, id);
0N/A this.ancestor = ancestor;
0N/A this.ancestorParent = ancestorParent;
0N/A }
0N/A
0N/A /**
0N/A * Returns the ancestor that the event actually occurred on.
0N/A */
0N/A public Container getAncestor() {
0N/A return ancestor;
0N/A }
0N/A
0N/A /**
0N/A * Returns the parent of the ancestor the event actually occurred on.
0N/A * This is most interesting in an ANCESTOR_REMOVED event, as
0N/A * the ancestor may no longer be in the component hierarchy.
0N/A */
0N/A public Container getAncestorParent() {
0N/A return ancestorParent;
0N/A }
0N/A
0N/A /**
0N/A * Returns the component that the listener was added to.
0N/A */
0N/A public JComponent getComponent() {
0N/A return (JComponent)getSource();
0N/A }
0N/A}