/**
* This method looks for inconsistent views to delete in case the message is deleted or the
* connector of the message is re-oriented.
*
* @param destructee the modified message
* @param request the request to destroy a message or to re-orient a message
* @return the list of {@link View} to delete
*/
public static Set<View> getMemberViewsToDestroy(Message destructee, IEditCommandRequest request) {
Set<View> viewsToDestroy = new HashSet<View>();
CrossReferenceAdapter crossReferenceAdapter =
InconsistentMessageViewsHelper.getCrossReferenceAdapter(request, destructee);
if (crossReferenceAdapter != null) {
Collection<Setting> revRefs =
crossReferenceAdapter.getNonNavigableInverseReferences(destructee);
if (!revRefs.isEmpty()) {
for (Setting current : revRefs) {
// test if the view is linked with the removed message
if (current.getEObject() instanceof View) {
View view = (View) current.getEObject();
// we remove the view only if they are owned by the CompositeStructureDiagram
if (InconsistentMessageViewsHelper.isOwnedByCommunicationDiagram(view)) {
viewsToDestroy.add(view);
if (InconsistentMessageViewsHelper.isLastMessageOnConnection(view)) {
// remove the connector
// System.err.println("+-> the connector will be deleted : " +
// (View)view.eContainer());
// System.err.println("+-> the parent of the connector is : " +
// (View)view.eContainer().eContainer());
viewsToDestroy.add((View) view.eContainer());
}
}
}
}
}
}
return viewsToDestroy;
}
/**
* Returns the {@link CrossReferenceAdapter} corresponding to the element to destroy.
*
* @param request the request
* @param destructee the destroyed element
* @return the cross reference adapter the {@link CrossReferenceAdapter} corresponding to this
* element
*/
public static CrossReferenceAdapter getCrossReferenceAdapter(
IEditCommandRequest request, EObject destructee) {
CrossReferenceAdapter crossReferenceAdapter = null;
@SuppressWarnings("rawtypes")
Map cacheMaps =
(Map) request.getParameter("Cache_Maps"); // $NON-NLS-1$ RequestCacheEntries.Cache_Maps
if (cacheMaps != null) {
crossReferenceAdapter =
(CrossReferenceAdapter)
cacheMaps.get("CrossRefAdapter"); // $NON-NLS-1$ RequestCacheEntries.CrossRefAdapter
}
if (crossReferenceAdapter == null) {
crossReferenceAdapter = CrossReferenceAdapter.getExistingCrossReferenceAdapter(destructee);
if (crossReferenceAdapter == null) {
TransactionalEditingDomain domain = TransactionUtil.getEditingDomain(destructee);
if (domain != null) {
crossReferenceAdapter =
CrossReferenceAdapter.getCrossReferenceAdapter(domain.getResourceSet());
}
}
}
return crossReferenceAdapter;
}