gomp-20050608-branch/libjava/classpath/java/awt/dnd/DragGestureEvent.java

   1 /* DragGestureEvent.java --
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package java.awt.dnd;
  40
  41 import java.awt.Component;
  42 import java.awt.Cursor;
  43 import java.awt.Image;
  44 import java.awt.Point;
  45 import java.awt.datatransfer.Transferable;
  46 import java.awt.event.InputEvent;
  47 import java.util.EventObject;
  48 import java.util.Iterator;
  49 import java.util.List;
  50
  51 /**
  52  * STUBBED
  53  * @see DragGestureRecognizer
  54  * @see DragGestureListener
  55  * @see DragSource
  56  * @since 1.2
  57  */
  58 public class DragGestureEvent extends EventObject
  59 {
  60   /**
  61    * Compatible with JDK 1.2+.
  62    */
  63   private static final long serialVersionUID = 9080172649166731306L;
  64
  65   private DragSource dragSource;
  66   private Component component;
  67   private final Point origin;
  68   private final int action;
  69
  70   public DragGestureEvent(DragGestureRecognizer dgr, int action, Point origin,
  71                           List events)
  72   {
  73     super(dgr);
  74     if (origin == null || events == null)
  75       throw new IllegalArgumentException();
  76     this.origin = origin;
  77     this.action = action;
  78   }
  79
  80   public DragGestureRecognizer getSourceAsDragGestureRecognizer()
  81   {
  82     return (DragGestureRecognizer) source;
  83   }
  84   public Component getComponent()
  85   {
  86     return null;
  87   }
  88   public DragSource getDragSource()
  89   {
  90     return null;
  91   }
  92   public Point getDragOrigin()
  93   {
  94     return origin;
  95   }
  96   public Iterator iterator()
  97   {
  98     return null;
  99   }
 100   public Object[] toArray()
 101   {
 102     return null;
 103   }
 104   public Object[] toArray(Object[] array)
 105   {
 106     return array;
 107   }
 108   public int getDragAction()
 109   {
 110     return 0;
 111   }
 112   public InputEvent getTriggerEvent()
 113   {
 114     return null;
 115   }
 116
 117   /**
 118    * Starts the drag given the initial Cursor to display, the Transferable
 119    * object, and the DragSourceListener to use.
 120    *
 121    * @exception InvalidDnDOperationException If the Drag and Drop system is
 122    * unable to initiate a drag operation, or if the user attempts to start
 123    * a drag while an existing drag operation is still executing.
 124    */
 125   public void startDrag(Cursor dragCursor, Transferable trans)
 126   {
 127     startDrag(dragCursor, null, null, trans, null);
 128   }
 129
 130   /**
 131    * Starts the drag given the initial Cursor to display, the Transferable
 132    * object, and the DragSourceListener to use.
 133    *
 134    * @exception InvalidDnDOperationException If the Drag and Drop system is
 135    * unable to initiate a drag operation, or if the user attempts to start
 136    * a drag while an existing drag operation is still executing.
 137    */
 138   public void startDrag(Cursor dragCursor, Transferable trans,
 139                         DragSourceListener l)
 140   {
 141     startDrag(dragCursor, null, null, trans, l);
 142   }
 143
 144   /**
 145    * Starts the drag given the initial Cursor to display, the Transferable
 146    * object, and the DragSourceListener to use.
 147    *
 148    * @exception InvalidDnDOperationException If the Drag and Drop system is
 149    * unable to initiate a drag operation, or if the user attempts to start
 150    * a drag while an existing drag operation is still executing.
 151    */
 152   public void startDrag(Cursor dragCursor, Image dragImage, Point imageOffset,
 153                         Transferable trans, DragSourceListener l)
 154   {
 155   }
 156 } // class DragGestureEvent