ini/trakem2/tree/TransferableNode.java

   1 /**
   2
   3 TrakEM2 plugin for ImageJ(C).
   4 Copyright (C) 2005,2006 Albert Cardona and Rodney Douglas.
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation (http://www.gnu.org/licenses/gpl.txt )
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 You may contact Albert Cardona at acardona at ini.phys.ethz.ch
  20 Institute of Neuroinformatics, University of Zurich / ETH, Switzerland.
  21 **/
  22
  23 package ini.trakem2.tree;
  24
  25
  26 import java.awt.datatransfer.*;
  27 import javax.swing.tree.*;
  28 import java.util.*;
  29
  30 /** Adapted from freely available code by DeuDeu from http://forum.java.sun.com/thread.jspa?threadID=296255&start=0&tstart=0 */
  31 public class TransferableNode implements Transferable {
  32
  33         public static final DataFlavor NODE_FLAVOR = new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType, "Node");
  34
  35         private DefaultMutableTreeNode node;
  36
  37         private DataFlavor[] flavors = { NODE_FLAVOR };
  38
  39         public TransferableNode(DefaultMutableTreeNode nd) {
  40                 node = nd;
  41         }
  42
  43         public synchronized Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
  44                 if (flavor == NODE_FLAVOR) {
  45                         return node;
  46                 } else {
  47                         throw new UnsupportedFlavorException(flavor);
  48                 }
  49         }
  50
  51         public DataFlavor[] getTransferDataFlavors() {
  52                 return flavors;
  53         }
  54
  55         public boolean isDataFlavorSupported(DataFlavor flavor) {
  56                 return Arrays.asList(flavors).contains(flavor);
  57         }
  58 }