001/* DnDConstants.java -- constants for drag-and-drop operations
002   Copyright (C) 2002, 2005  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
041/**
042 * This class contains various constants used in drag-and-drop operations.
043 * Why it is not an interface is beyond me.
044 *
045 * @author Eric Blake (ebb9@email.byu.edu)
046 * @since 1.2
047 * @status updated to 1.4
048 */
049public final class DnDConstants
050{
051  /** No action takes place. */
052  public static final int ACTION_NONE = 0;
053
054  /** The copy action. */
055  public static final int ACTION_COPY = 1;
056
057  /** The move action. */
058  public static final int ACTION_MOVE = 2;
059
060  /** Either a copy or a move. */
061  public static final int ACTION_COPY_OR_MOVE = 3;
062
063  /**
064   * A link action. This does not copy or move, but creates a reference back
065   * to the original. However, since platforms differ on how a reference should
066   * behave, this action is not recommended for common use.
067   */
068  public static final int ACTION_LINK = 1073741824;
069
070  /** A synonym for {@link #ACTION_LINK}. */
071  public static final int ACTION_REFERENCE = ACTION_LINK;
072
073  private DnDConstants()
074  {
075    // Do nothing here.
076  }
077}