blob: 30cd4438eb452b50f28ca5ae4601d39e1e5a025b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/**
* Copyright (c) 2014 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*/
package org.eclipse.papyrus.uml.diagram.statemachine.custom.listeners;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramDropTargetListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.dnd.TransferData;
/**
* This class is used to handle drop event on diagram
*
* @author <a href="mailto:jerome.benois@obeo.fr">Jerome Benois</a>
*/
public abstract class DropTargetListener extends DiagramDropTargetListener {
public DropTargetListener(EditPartViewer viewer, Transfer xfer) {
super(viewer, xfer);
}
protected abstract Object getJavaObject(TransferData data);
@Override
protected List<EObject> getObjectsBeingDropped() {
// get objects from transfer
TransferData data = getCurrentEvent().currentDataType;
HashSet<URI> uris = new HashSet<URI>();
Object transferedObject = getJavaObject(data);
if (transferedObject instanceof IStructuredSelection) {
IStructuredSelection selection = (IStructuredSelection) transferedObject;
for (Iterator<?> it = selection.iterator(); it.hasNext();) {
Object nextSelectedObject = it.next();
// if (nextSelectedObject instanceof UMLNavigatorItem) {
// View view = ((UMLNavigatorItem)
// nextSelectedObject).getView();
// nextSelectedObject = view.getElement();
// } else
if (nextSelectedObject instanceof IAdaptable) {
IAdaptable adaptable = (IAdaptable) nextSelectedObject;
nextSelectedObject = adaptable.getAdapter(EObject.class);
}
if (nextSelectedObject instanceof EObject) {
EObject modelElement = (EObject) nextSelectedObject;
Resource modelElementResource = modelElement.eResource();
uris.add(modelElementResource.getURI().appendFragment(modelElementResource.getURIFragment(modelElement)));
// TODO check visualID supported by class diagram
}
}
}
ArrayList<EObject> result = new ArrayList<EObject>();
for (URI uri : uris) {
EObject modelObject = getTransactionalEditingDomain().getResourceSet().getEObject(uri, true);
result.add(modelObject);
}
return result;
}
protected abstract TransactionalEditingDomain getTransactionalEditingDomain();
}
|
