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| author | Tom Tromey <tromey@gcc.gnu.org> | 2005-07-16 00:30:23 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2005-07-16 00:30:23 +0000 |
| commit | f911ba985aa7fe0096c386c5be385ac5825ea527 (patch) | |
| tree | a0b991cf5866ae1d616639b906ac001811d74508 /libjava/classpath/java/awt/dnd/DropTargetContext.java | |
| parent | 6f4434b39b261de5317dc81ddfdd94d2e1d62b11 (diff) | |
| download | gcc-f911ba985aa7fe0096c386c5be385ac5825ea527.zip gcc-f911ba985aa7fe0096c386c5be385ac5825ea527.tar.gz gcc-f911ba985aa7fe0096c386c5be385ac5825ea527.tar.bz2 | |
Initial revision
From-SVN: r102074
Diffstat (limited to 'libjava/classpath/java/awt/dnd/DropTargetContext.java')
| -rw-r--r-- | libjava/classpath/java/awt/dnd/DropTargetContext.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/dnd/DropTargetContext.java b/libjava/classpath/java/awt/dnd/DropTargetContext.java new file mode 100644 index 0000000..d1fb66e --- /dev/null +++ b/libjava/classpath/java/awt/dnd/DropTargetContext.java @@ -0,0 +1,188 @@ +/* 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., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 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 |