Source for java.awt.dnd.DragSourceDragEvent

   1: /* DragSourceDragEvent.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 gnu.java.awt.EventModifier;
  42: 
  43: /**
  44:  * @author Michael Koch
  45:  * @since 1.2
  46:  */
  47: public class DragSourceDragEvent extends DragSourceEvent
  48: {
  49:   /**
  50:    * Compatible with JDK 1.2+
  51:    */
  52:   private static final long serialVersionUID = 481346297933902471L;
  53: 
  54:   private final int dropAction;
  55:   private final int targetActions;
  56:   private final int gestureModifiers;
  57: 
  58:   public DragSourceDragEvent(DragSourceContext context, int dropAction,
  59:                              int actions, int modifiers)
  60:   {
  61:     super(context);
  62:     this.dropAction = dropAction;
  63:     targetActions = actions;
  64:     gestureModifiers = EventModifier.extend(modifiers);
  65:   }
  66: 
  67:   public DragSourceDragEvent(DragSourceContext context, int dropAction,
  68:                              int actions, int modifiers, int x, int y)
  69:   {
  70:     super(context, x, y);
  71:     this.dropAction = dropAction;
  72:     targetActions = actions;
  73:     gestureModifiers = EventModifier.extend(modifiers);
  74:   }
  75: 
  76:   public int getTargetActions()
  77:   {
  78:     return targetActions;
  79:   }
  80: 
  81:   public int getGestureModifiers()
  82:   {
  83:     return EventModifier.revert(gestureModifiers);
  84:   }
  85: 
  86:   public int getGestureModifiersEx()
  87:   {
  88:     return gestureModifiers;
  89:   }
  90: 
  91:   public int getUserAction()
  92:   {
  93:     return dropAction;
  94:   }
  95: 
  96:   public int getDropAction()
  97:   {
  98:     return (dropAction
  99:             & targetActions
 100:             & ((DragSourceContext) source).getSourceActions());
 101:   }
 102: } // class DragSourceDragEvent