@Override
protected EObject doRun(CDOTransaction transaction, CDOObject parent, ISelection selection) {
ComposedAdapterFactory adapterFactory = CDOEditor.createAdapterFactory(true);
try {
BasicCommandStack commandStack = new BasicCommandStack();
ResourceSet resourceSet = transaction.getResourceSet();
EditingDomain editingDomain =
new AdapterFactoryEditingDomain(adapterFactory, commandStack, resourceSet);
CreateChildAction delegate =
new CreateChildAction(editingDomain, selection, childDescriptor);
delegate.run();
if (childDescriptor instanceof CommandParameter) {
CommandParameter parameter = (CommandParameter) childDescriptor;
Object value = parameter.getValue();
if (value instanceof EObject) {
return (EObject) value;
}
}
return null;
} finally {
adapterFactory.dispose();
}
}
protected void fillMenu(final MenuManager menuManager) {
final EditingDomain editingDomain = getEditingDomain();
final EObject base = (EObject) getBaseObservable().getValue();
if (base == null) {
return;
}
final Collection<?> descriptors = editingDomain.getNewChildDescriptors(base, null);
for (final Object descriptor : descriptors) {
if (!(descriptor instanceof CommandParameter)) {
continue;
}
final CommandParameter parameter = (CommandParameter) descriptor;
if (parameter.getEStructuralFeature() != getEFeature()) {
continue;
}
final IContributionItem item =
new EditCommandContributionItem(parameter, editingDomain, getBaseObservable()) {
@Override
protected void executed(final Collection<?> result) {
final Iterator<?> iter = result.iterator();
if (iter.hasNext()) {
final Object value = iter.next();
if (fModelObservable.contains(value)) {
fSingleSelectionObservable.setValue(value);
}
}
}
};
menuManager.add(item);
}
}
/** {@inheritDoc} */
@Override
protected boolean isMine(final CommandParameter object) {
if (object.getEReference() != null && (valids.size() + restricted.size() > 0)) {
final EObject value = (EObject) object.getValue();
return isMyTargetType(value);
}
return true;
}
/**
* @param manager The menu manager responsible for the context menu
* @param descriptors The menu items to be added
* @param domain The editing domain of the current EObject
* @param eObject The model element
*/
private void fillContextMenu(
IMenuManager manager,
Collection<?> descriptors,
final EditingDomain domain,
final EObject eObject) {
for (final Object descriptor : descriptors) {
final CommandParameter cp = (CommandParameter) descriptor;
if (!CommandParameter.class.isInstance(descriptor)) {
continue;
}
if (cp.getEReference() == null) {
continue;
}
if (!cp.getEReference().isMany() && eObject.eIsSet(cp.getEStructuralFeature())) {
continue;
} else if (cp.getEReference().isMany()
&& cp.getEReference().getUpperBound() != -1
&& cp.getEReference().getUpperBound()
<= ((List<?>) eObject.eGet(cp.getEReference())).size()) {
continue;
}
manager.add(
new CreateChildAction(domain, new StructuredSelection(eObject), descriptor) {
@Override
public void run() {
super.run();
final EReference reference = ((CommandParameter) descriptor).getEReference();
// if (!reference.isContainment()) {
// domain.getCommandStack().execute(
// AddCommand.create(domain, eObject.eContainer(), null, cp.getEValue()));
// }
domain
.getCommandStack()
.execute(AddCommand.create(domain, eObject, reference, cp.getEValue()));
}
});
}
}