| /* DropTargetContext.java -- |
| Copyright (C) 2002, 2003, 2004 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package java.awt.dnd; |
| |
| import java.awt.Component; |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.datatransfer.Transferable; |
| import java.awt.datatransfer.UnsupportedFlavorException; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * @author Michael Koch (konqueror@gmx.de) |
| * @since 1.2 |
| */ |
| public class DropTargetContext implements Serializable |
| { |
| static final long serialVersionUID = -634158968993743371L; |
| |
| /** @specnote According to the online documentation, this is |
| * protected, but in reality it is public. */ |
| public class TransferableProxy implements Transferable |
| { |
| protected boolean isLocal; |
| protected Transferable transferable; |
| |
| TransferableProxy (Transferable t, boolean local) |
| { |
| this.transferable = t; |
| this.isLocal = local; |
| } |
| |
| public DataFlavor[] getTransferDataFlavors () |
| { |
| return transferable.getTransferDataFlavors (); |
| } |
| |
| public boolean isDataFlavorSupported (DataFlavor flavor) |
| { |
| return transferable.isDataFlavorSupported (flavor); |
| } |
| |
| public Object getTransferData (DataFlavor flavor) |
| throws UnsupportedFlavorException, IOException |
| { |
| return transferable.getTransferData (flavor); |
| } |
| } |
| |
| private DropTarget dropTarget; |
| private int targetActions; |
| private java.awt.dnd.peer.DropTargetContextPeer dtcp; |
| |
| // package private |
| DropTargetContext (DropTarget dropTarget) |
| { |
| this.dropTarget = dropTarget; |
| } |
| |
| public DropTarget getDropTarget () |
| { |
| return dropTarget; |
| } |
| |
| public Component getComponent () |
| { |
| return dropTarget.getComponent (); |
| } |
| |
| public void addNotify (java.awt.dnd.peer.DropTargetContextPeer dtcp) |
| { |
| this.dtcp = dtcp; |
| } |
| |
| public void removeNotify () |
| { |
| this.dtcp = null; |
| } |
| |
| protected void setTargetActions (int actions) |
| { |
| targetActions = actions; |
| } |
| |
| protected int getTargetActions() |
| { |
| return targetActions; |
| } |
| |
| /** |
| * Signals that the drop is completed. |
| * |
| * @exception InvalidDnDOperationException If a drop is not outstanding. |
| */ |
| public void dropComplete (boolean success) |
| { |
| // FIXME: implement this |
| } |
| |
| protected void acceptDrag (int dragOperation) |
| { |
| // FIXME: implement this |
| } |
| |
| protected void rejectDrag () |
| { |
| // FIXME: implement this |
| } |
| |
| protected void acceptDrop (int dropOperation) |
| { |
| // FIXME: implement this |
| } |
| |
| protected void rejectDrop () |
| { |
| // FIXME: implement this |
| } |
| |
| protected DataFlavor[] getCurrentDataFlavors () |
| { |
| // FIXME: implement this |
| return null; |
| } |
| |
| protected List getCurrentDataFlavorsAsList () |
| { |
| return Arrays.asList (getCurrentDataFlavors ()); |
| } |
| |
| protected boolean isDataFlavorSupported (DataFlavor flavor) |
| { |
| return getCurrentDataFlavorsAsList ().contains (flavor); |
| } |
| |
| /** |
| * Return the <code>Transferable</code> operandof this operation. |
| * |
| * @exception InvalidDnDOperationException If a drag is not outstanding. |
| */ |
| protected Transferable getTransferable() throws InvalidDnDOperationException |
| { |
| // FIXME: implement this |
| return null; |
| } |
| |
| protected Transferable createTransferableProxy(Transferable t, boolean local) |
| { |
| return new TransferableProxy (t, local); |
| } |
| } // class DropTargetContext |