1 /* 2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * 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 * 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 * 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 }