001/* DragSourceDragEvent.java --
002   Copyright (C) 2002 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package java.awt.dnd;
040
041import gnu.java.awt.EventModifier;
042
043/**
044 * @author Michael Koch
045 * @since 1.2
046 */
047public class DragSourceDragEvent extends DragSourceEvent
048{
049  /**
050   * Compatible with JDK 1.2+
051   */
052  private static final long serialVersionUID = 481346297933902471L;
053
054  private final int dropAction;
055  private final int targetActions;
056  private final int gestureModifiers;
057
058  public DragSourceDragEvent(DragSourceContext context, int dropAction,
059                             int actions, int modifiers)
060  {
061    super(context);
062    this.dropAction = dropAction;
063    targetActions = actions;
064    gestureModifiers = EventModifier.extend(modifiers);
065  }
066
067  public DragSourceDragEvent(DragSourceContext context, int dropAction,
068                             int actions, int modifiers, int x, int y)
069  {
070    super(context, x, y);
071    this.dropAction = dropAction;
072    targetActions = actions;
073    gestureModifiers = EventModifier.extend(modifiers);
074  }
075
076  public int getTargetActions()
077  {
078    return targetActions;
079  }
080
081  public int getGestureModifiers()
082  {
083    return EventModifier.revert(gestureModifiers);
084  }
085
086  public int getGestureModifiersEx()
087  {
088    return gestureModifiers;
089  }
090
091  public int getUserAction()
092  {
093    return dropAction;
094  }
095
096  public int getDropAction()
097  {
098    return (dropAction
099            & targetActions
100            & ((DragSourceContext) source).getSourceActions());
101  }
102} // class DragSourceDragEvent