2 * Copyright (C) 2009 EDIT
3 * European Distributed Institute of Taxonomy
4 * http://www.e-taxonomy.eu
6 * The contents of this file are subject to the Mozilla Public License Version 1.1
7 * See LICENSE.TXT at the top of this package for the full license terms.
9 package eu
.etaxonomy
.taxeditor
.editor
.definedterm
;
11 import java
.util
.ArrayList
;
12 import java
.util
.Collection
;
14 import org
.eclipse
.jface
.viewers
.StructuredSelection
;
15 import org
.eclipse
.jface
.viewers
.ViewerDropAdapter
;
16 import org
.eclipse
.swt
.dnd
.DND
;
17 import org
.eclipse
.swt
.dnd
.DropTargetEvent
;
18 import org
.eclipse
.swt
.dnd
.TransferData
;
20 import eu
.etaxonomy
.cdm
.model
.common
.DefinedTermBase
;
21 import eu
.etaxonomy
.cdm
.model
.common
.OrderedTermBase
;
22 import eu
.etaxonomy
.cdm
.model
.common
.TermBase
;
23 import eu
.etaxonomy
.taxeditor
.editor
.definedterm
.operation
.MoveDefinedTermOperation
;
24 import eu
.etaxonomy
.taxeditor
.operation
.AbstractPostOperation
;
25 import eu
.etaxonomy
.taxeditor
.store
.StoreUtil
;
32 public class DefinedTermDropAdapter
extends ViewerDropAdapter
{
34 private final DefinedTermEditor editor
;
38 protected DefinedTermDropAdapter(DefinedTermEditor editor
) {
39 super(editor
.getViewer());
44 * @see org.eclipse.jface.viewers.ViewerDropAdapter#performDrop(java.lang.Object)
47 public boolean performDrop(Object data
) {
49 TermBase target
= (TermBase
) getCurrentTarget();//can be vocab
50 int currentLocation
= getCurrentLocation();
51 //DefinedTermBase[] droppedElements = (DefinedTermBase[]) data;
52 Object
[] droppedTerms
= (Object
[]) data
;
53 Collection
<DefinedTermBase
> sourceTerms
= new ArrayList
<DefinedTermBase
>(); //Arrays.asList(droppedElements)
55 for (Object droppedTerm
: droppedTerms
) {
57 DefinedTermBase term
= (DefinedTermBase
) droppedTerm
;
58 sourceTerms
.add(term
);
62 AbstractPostOperation operation
= new MoveDefinedTermOperation("Move Descriptions",
63 StoreUtil
.getUndoContext(),
68 //TODO: implement execute
69 // StoreUtil.executeOperation(operation);
70 // select the newly moved objects
71 editor
.getViewer().setSelection(new StructuredSelection(sourceTerms
.toArray(new TermBase
[sourceTerms
.size()])));
77 * @see org.eclipse.jface.viewers.ViewerDropAdapter#validateDrop(java.lang.Object, int, org.eclipse.swt.dnd.TransferData)
80 public boolean validateDrop(Object target
, int operation
,
81 TransferData transferType
) {
82 boolean transferDataIsSupported
= TermTransfer
.getInstance().isSupportedType(transferType
);
83 // maybe don't need this - they will be all TermBase anyway
84 return target
instanceof TermBase
&& transferDataIsSupported
;
88 * @see org.eclipse.jface.viewers.ViewerDropAdapter#dragOver(org.eclipse.swt.dnd.DropTargetEvent)
91 public void dragOver(DropTargetEvent event
) {
92 super.dragOver(event
);
93 TermBase target
= (TermBase
) getCurrentTarget();
94 if(!(target
instanceof OrderedTermBase
)) {
95 // this is to only disable insert between items
96 event
.feedback
= DND
.FEEDBACK_SELECT
| DND
.FEEDBACK_SCROLL
;