001 /* DropTargetDropEvent.java -- 002 Copyright (C) 2002, 2006 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 package java.awt.dnd; 039 040 import java.awt.Point; 041 import java.awt.datatransfer.DataFlavor; 042 import java.awt.datatransfer.Transferable; 043 import java.util.List; 044 045 /** 046 * @since 1.2 047 */ 048 public class DropTargetDropEvent extends DropTargetEvent 049 { 050 /** 051 * Compatible with JDK 1.2+ 052 */ 053 private static final long serialVersionUID = -1721911170440459322L; 054 055 private final int dropAction; 056 private final int actions; 057 private final Point location; 058 private final boolean isLocalTx; 059 060 /** 061 * Initializes a <code>DropTargetDropEvent</code>. By default this constructor 062 * assumes that the target is not int same JVM. 063 * 064 * @exception IllegalArgumentException If dropAction is not one of DnDConstants, 065 * actions is not a bitwise mask of DnDConstants, or dtc is null. 066 * @exception NullPointerException If location is null. 067 */ 068 public DropTargetDropEvent(DropTargetContext dtc, Point location, 069 int dropAction, int actions) 070 { 071 this(dtc, location, dropAction, actions, false); 072 } 073 074 /** 075 * Initializes a <code>DropTargetDropEvent</code>. 076 * 077 * @exception IllegalArgumentException If dropAction is not one of DnDConstants, 078 * actions is not a bitwise mask of DnDConstants, or dtc is null. 079 * @exception NullPointerException If location is null. 080 */ 081 public DropTargetDropEvent(DropTargetContext dtc, Point location, 082 int dropAction, int actions, boolean isLocalTx) 083 { 084 super(dtc); 085 086 if (location == null) 087 throw new NullPointerException(); 088 089 if (dtc == null) 090 throw new IllegalArgumentException(); 091 092 if (dropAction != DnDConstants.ACTION_NONE 093 && dropAction != DnDConstants.ACTION_COPY 094 && dropAction != DnDConstants.ACTION_MOVE 095 && dropAction != DnDConstants.ACTION_COPY_OR_MOVE 096 && dropAction != DnDConstants.ACTION_LINK 097 && dropAction != DnDConstants.ACTION_REFERENCE) 098 throw new IllegalArgumentException(); 099 100 int actionsMask = DnDConstants.ACTION_NONE 101 | DnDConstants.ACTION_COPY 102 | DnDConstants.ACTION_MOVE 103 | DnDConstants.ACTION_COPY_OR_MOVE 104 | DnDConstants.ACTION_LINK 105 | DnDConstants.ACTION_REFERENCE; 106 107 if (~(actions ^ actionsMask) != 0) 108 throw new IllegalArgumentException(); 109 110 this.dropAction = dropAction; 111 this.actions = actions; 112 this.location = location; 113 this.isLocalTx = isLocalTx; 114 } 115 116 public Point getLocation() 117 { 118 return location; 119 } 120 121 public DataFlavor[] getCurrentDataFlavors() 122 { 123 return context.getCurrentDataFlavors(); 124 } 125 126 public List<DataFlavor> getCurrentDataFlavorsAsList() 127 { 128 return context.getCurrentDataFlavorsAsList(); 129 } 130 131 public boolean isDataFlavorSupported(DataFlavor flavor) 132 { 133 return context.isDataFlavorSupported(flavor); 134 } 135 136 public int getSourceActions() 137 { 138 return actions; 139 } 140 141 public int getDropAction() 142 { 143 return dropAction; 144 } 145 146 public Transferable getTransferable() 147 { 148 return context.getTransferable (); 149 } 150 151 public void acceptDrop(int dropAction) 152 { 153 context.acceptDrop(dropAction); 154 } 155 156 public void rejectDrop() 157 { 158 context.rejectDrop(); 159 } 160 161 public void dropComplete(boolean success) 162 { 163 context.dropComplete(success); 164 } 165 166 public boolean isLocalTransfer() 167 { 168 return isLocalTx; 169 } 170 } // class DropTargetDropEvent