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    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        * <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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