/* DnDConstants.java -- constants for drag-and-drop operations
   Copyright (C) 2002, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

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it under the terms of the GNU General Public License as published by
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02110-1301 USA.

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permission to link this library with independent modules to produce an
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package java.awt.dnd;

/**
 * This class contains various constants used in drag-and-drop operations.
 * Why it is not an interface is beyond me.
 *
 * @author Eric Blake (ebb9@email.byu.edu)
 * @since 1.2
 * @status updated to 1.4
 */
public final class DnDConstants
{
  /** No action takes place. */
  public static final int ACTION_NONE = 0;

  /** The copy action. */
  public static final int ACTION_COPY = 1;

  /** The move action. */
  public static final int ACTION_MOVE = 2;

  /** Either a copy or a move. */
  public static final int ACTION_COPY_OR_MOVE = 3;

  /**
   * A link action. This does not copy or move, but creates a reference back
   * to the original. However, since platforms differ on how a reference should
   * behave, this action is not recommended for common use.
   */
  public static final int ACTION_LINK = 1073741824;

  /** A synonym for {@link #ACTION_LINK}. */
  public static final int ACTION_REFERENCE = ACTION_LINK;

  private DnDConstants()
  {
    // Do nothing here.
  }
}