eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/editor/definedterm/DefinedTermDropAdapter.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2009 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.editor.definedterm;
  11
  12 import java.util.ArrayList;
  13 import java.util.Collection;
  14
  15 import org.eclipse.jface.viewers.ViewerDropAdapter;
  16 import org.eclipse.swt.dnd.TransferData;
  17
  18 import eu.etaxonomy.cdm.model.common.DefinedTermBase;
  19 import eu.etaxonomy.cdm.model.common.TermBase;
  20 import eu.etaxonomy.taxeditor.editor.definedterm.operation.MoveDefinedTermOperation;
  21 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  * @author l.morris
  26  * @date 10 Jan 2012
  27  *
  28  */
  29 public class DefinedTermDropAdapter extends ViewerDropAdapter {
  30
  31         private DefinedTermEditor editor;
  32         /**
  33          * @param viewer
  34          */
  35         protected DefinedTermDropAdapter(DefinedTermEditor editor) {
  36                 super(editor.getViewer());
  37                 this.editor = editor;
  38         }
  39
  40         /* (non-Javadoc)
  41          * @see org.eclipse.jface.viewers.ViewerDropAdapter#performDrop(java.lang.Object)
  42          */
  43         @Override
  44         public boolean performDrop(Object data) {
  45
  46                 TermBase target = (TermBase) getCurrentTarget();//can be vocab
  47                 //DefinedTermBase[] droppedElements = (DefinedTermBase[]) data;
  48                 Object[] droppedTerms = (Object[]) data;
  49                 Collection<DefinedTermBase> sourceTerms = new ArrayList<DefinedTermBase>(); //Arrays.asList(droppedElements)
  50
  51                 for (Object droppedTerm : droppedTerms) {
  52
  53                         DefinedTermBase term = (DefinedTermBase) droppedTerm;
  54                         sourceTerms.add(term);
  55
  56                 }
  57
  58                 AbstractPostOperation operation = new MoveDefinedTermOperation("Move Descriptions", StoreUtil.getUndoContext(), target, sourceTerms, editor);
  59                 //TODO: implement execute
  60                 StoreUtil.executeOperation(operation);
  61
  62                 return true;
  63         }
  64
  65         /* (non-Javadoc)
  66          * @see org.eclipse.jface.viewers.ViewerDropAdapter#validateDrop(java.lang.Object, int, org.eclipse.swt.dnd.TransferData)
  67          */
  68         @Override
  69         public boolean validateDrop(Object target, int operation,
  70                         TransferData transferType) {
  71                 boolean transferDataIsSupported = TermTransfer.getInstance().isSupportedType(transferType);
  72                 System.out.println(target);
  73                 // maybe don't need this - they will be all TermBase anyway
  74                 return target instanceof TermBase && transferDataIsSupported;
  75         }
  76
  77 }