001 /* DnDConstants.java -- constants for drag-and-drop operations 002 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package 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 */ 049 public 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 }