| /* DropTargetDragEvent.java -- |
| Copyright (C) 2002, 2004 Free Software Foundation, Inc. |
| |
| 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.Point; |
| import java.awt.datatransfer.DataFlavor; |
| import java.util.List; |
| |
| /** |
| * @since 1.2 |
| */ |
| public class DropTargetDragEvent extends DropTargetEvent |
| { |
| /** |
| * Compatible with 1.2+ |
| */ |
| private static final long serialVersionUID = -8422265619058953682L; |
| |
| private final int dropAction; |
| private final int srcActions; |
| private final Point location; |
| |
| /** |
| * Initializes a <code>DropTargetDragEvent</code>. |
| * |
| * @exception IllegalArgumentException If dropAction is not one of DnDConstants, |
| * srcActions is not a bitwise mask of DnDConstants, or dtc is null. |
| * @exception NullPointerException If location is null. |
| */ |
| public DropTargetDragEvent (DropTargetContext context, Point location, |
| int dropAction, int srcActions) |
| { |
| super (context); |
| |
| if (location == null) |
| throw new NullPointerException (); |
| |
| if (context == null) |
| throw new IllegalArgumentException (); |
| |
| if (dropAction != DnDConstants.ACTION_NONE |
| && dropAction != DnDConstants.ACTION_COPY |
| && dropAction != DnDConstants.ACTION_MOVE |
| && dropAction != DnDConstants.ACTION_COPY_OR_MOVE |
| && dropAction != DnDConstants.ACTION_LINK |
| && dropAction != DnDConstants.ACTION_REFERENCE) |
| throw new IllegalArgumentException (); |
| |
| int srcActionsMask = DnDConstants.ACTION_NONE |
| | DnDConstants.ACTION_COPY |
| | DnDConstants.ACTION_MOVE |
| | DnDConstants.ACTION_COPY_OR_MOVE |
| | DnDConstants.ACTION_LINK |
| | DnDConstants.ACTION_REFERENCE; |
| |
| if (~(srcActions ^ srcActionsMask) != 0) |
| throw new IllegalArgumentException (); |
| |
| this.dropAction = dropAction; |
| this.srcActions = srcActions; |
| this.location = location; |
| } |
| |
| public void acceptDrag (int dragOperation) |
| { |
| context.acceptDrag (dragOperation); |
| } |
| |
| public DataFlavor[] getCurrentDataFlavors () |
| { |
| return context.getCurrentDataFlavors (); |
| } |
| |
| public List getCurrentDataFlavorsAsList () |
| { |
| return context.getCurrentDataFlavorsAsList (); |
| } |
| |
| public int getDropAction() |
| { |
| return 0; |
| //return dropAction & ((DropTargetContext) source).getTargetActions(); |
| } |
| |
| public Point getLocation () |
| { |
| return location; |
| } |
| |
| public int getSourceActions () |
| { |
| return srcActions; |
| } |
| |
| public boolean isDataFlavorSupported (DataFlavor df) |
| { |
| return context.isDataFlavorSupported (df); |
| } |
| |
| public void rejectDrag () |
| { |
| context.rejectDrag (); |
| } |
| } // class DropTargetDragEvent |