@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
if (!selection.isEmpty()) {
IStructuredSelection sSelection = (IStructuredSelection) selection;
boolean confirmed =
MessageDialog.openConfirm(
HandlerUtil.getActiveShell(event),
"Confirm Delete",
"Please confirm that you wish to delete this metadata.");
if (!confirmed) return null;
MetsProjectNature mpn =
MetsProjectNature.getNatureForMetsObject((EObject) sSelection.getFirstElement());
HashSet<SmLinkType> del = new HashSet<SmLinkType>();
Iterator it = sSelection.iterator();
while (it.hasNext()) {
Object sel = it.next();
if (sel instanceof SmLinkType) {
del.add((SmLinkType) sel);
}
}
Command c =
RemoveCommand.create(
mpn.getEditingDomain(),
mpn.getMets().getStructLink(),
MetsPackage.eINSTANCE.getStructLinkType_SmLink(),
del);
mpn.getCommandStack().execute(c);
}
return null;
}
