1 /* DropTargetContext.java --
2 Copyright (C) 2002, 2003, 2004 Free Software Foundation
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
40 import java
.awt
.Component
;
41 import java
.awt
.datatransfer
.DataFlavor
;
42 import java
.awt
.datatransfer
.Transferable
;
43 import java
.awt
.datatransfer
.UnsupportedFlavorException
;
44 import java
.io
.IOException
;
45 import java
.io
.Serializable
;
46 import java
.util
.Arrays
;
47 import java
.util
.List
;
50 * @author Michael Koch (konqueror@gmx.de)
53 public class DropTargetContext
implements Serializable
55 static final long serialVersionUID
= -634158968993743371L;
57 /** @specnote According to the online documentation, this is
58 * protected, but in reality it is public. */
59 public class TransferableProxy
implements Transferable
61 protected boolean isLocal
;
62 protected Transferable transferable
;
64 TransferableProxy (Transferable t
, boolean local
)
66 this.transferable
= t
;
70 public DataFlavor
[] getTransferDataFlavors ()
72 return transferable
.getTransferDataFlavors ();
75 public boolean isDataFlavorSupported (DataFlavor flavor
)
77 return transferable
.isDataFlavorSupported (flavor
);
80 public Object
getTransferData (DataFlavor flavor
)
81 throws UnsupportedFlavorException
, IOException
83 return transferable
.getTransferData (flavor
);
87 private DropTarget dropTarget
;
88 private int targetActions
;
89 private java
.awt
.dnd
.peer
.DropTargetContextPeer dtcp
;
92 DropTargetContext (DropTarget dropTarget
)
94 this.dropTarget
= dropTarget
;
97 public DropTarget
getDropTarget ()
102 public Component
getComponent ()
104 return dropTarget
.getComponent ();
107 public void addNotify (java
.awt
.dnd
.peer
.DropTargetContextPeer dtcp
)
112 public void removeNotify ()
117 protected void setTargetActions (int actions
)
119 targetActions
= actions
;
122 protected int getTargetActions()
124 return targetActions
;
128 * Signals that the drop is completed.
130 * @exception InvalidDnDOperationException If a drop is not outstanding.
132 public void dropComplete (boolean success
)
134 // FIXME: implement this
137 protected void acceptDrag (int dragOperation
)
139 // FIXME: implement this
142 protected void rejectDrag ()
144 // FIXME: implement this
147 protected void acceptDrop (int dropOperation
)
149 // FIXME: implement this
152 protected void rejectDrop ()
154 // FIXME: implement this
157 protected DataFlavor
[] getCurrentDataFlavors ()
159 // FIXME: implement this
163 protected List
getCurrentDataFlavorsAsList ()
165 return Arrays
.asList (getCurrentDataFlavors ());
168 protected boolean isDataFlavorSupported (DataFlavor flavor
)
170 return getCurrentDataFlavorsAsList ().contains (flavor
);
174 * Return the <code>Transferable</code> operandof this operation.
176 * @exception InvalidDnDOperationException If a drag is not outstanding.
178 protected Transferable
getTransferable() throws InvalidDnDOperationException
180 // FIXME: implement this
184 protected Transferable
createTransferableProxy(Transferable t
, boolean local
)
186 return new TransferableProxy (t
, local
);
188 } // class DropTargetContext