1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.awt.dnd;
27
28 import java.util.EventObject;
29 import java.awt.dnd.DropTargetContext;
30
31 /**
32 * The <code>DropTargetEvent</code> is the base
33 * class for both the <code>DropTargetDragEvent</code>
34 * and the <code>DropTargetDropEvent</code>.
35 * It encapsulates the current state of the Drag and
36 * Drop operations, in particular the current
37 * <code>DropTargetContext</code>.
38 *
39 * @since 1.2
40 *
41 */
42
43 public class DropTargetEvent extends java.util.EventObject {
44
45 private static final long serialVersionUID = 2821229066521922993L;
46
47 /**
48 * Construct a <code>DropTargetEvent</code> object with
49 * the specified <code>DropTargetContext</code>.
50 * <P>
51 * @param dtc The <code>DropTargetContext</code>
52 * @throws NullPointerException if {@code dtc} equals {@code null}.
53 * @see #getSource()
54 * @see #getDropTargetContext()
55 */
56
57 public DropTargetEvent(DropTargetContext dtc) {
58 super(dtc.getDropTarget());
59
60 context = dtc;
61 }
62
63 /**
64 * This method returns the <code>DropTargetContext</code>
65 * associated with this <code>DropTargetEvent</code>.
66 * <P>
67 * @return the <code>DropTargetContext</code>
68 */
69
70 public DropTargetContext getDropTargetContext() {
71 return context;
72 }
73
74 /**
75 * The <code>DropTargetContext</code> associated with this
76 * <code>DropTargetEvent</code>.
77 *
78 * @serial
79 */
80 protected DropTargetContext context;
81 }
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