/**
* Convenient implementation of the {@link #getLinkElements(InternalProject, EObject, EReference)}
* method to use the {@link ItemPropertyDescriptor} to get all object of an object.
*
* @param project the project the call is from
* @param modelElement {@link EObject} to add the {@link EReference} to
* @param eReference the {@link EReference} to add
* @return {@link Iterator} of {@link EObject} that can be linked
*/
@Override
public Iterator<EObject> getLinkElements(
InternalProject project, EObject modelElement, EReference eReference) {
final EClass elementClass = modelElement.eClass();
EClassifier type =
EcoreUtil.getReifiedType(elementClass, eReference.getEGenericType()).getEClassifier();
if (type == null) {
type = eReference.getEType();
}
return ItemPropertyDescriptor.getReachableObjectsOfType(modelElement, type).iterator();
}
/**
* @see org.eclipse.emf.edit.provider.ItemPropertyDescriptor#setPropertyValue(java.lang.Object,
* java.lang.Object)
*/
@Override
public void setPropertyValue(Object object, Object value) {
TypedElement typedElement = (TypedElement) object;
// the value can either be a type parameter ...
if (value instanceof TypeParameter) {
TypeParameter typeParameter = (TypeParameter) value;
// create a new generic type for type parameters and set its
// referenced type parameter
ParameterGenericType genericType = PivotModelFactory.eINSTANCE.createParameterGenericType();
genericType.setTypeParameter(typeParameter);
setGenericType(typedElement, genericType);
}
// ... or a normal type
else if (value instanceof Type) {
Type type = (Type) value;
// check if the type has any type parameters
if (!type.getOwnedTypeParameter().isEmpty()) {
// create a new complex generic type and set the given type
// as a reference
ComplexGenericType genericType = PivotModelFactory.eINSTANCE.createComplexGenericType();
genericType.setUnboundType(type);
// append type arguments for each type parameter
for (int i = 0, size = type.getOwnedTypeParameter().size(); i < size; i++) {
genericType.getTypeArgument().add(PivotModelFactory.eINSTANCE.createTypeArgument());
}
setGenericType(typedElement, genericType);
}
// just a normal type without type parameters
else {
// remove any previously created generic types
setGenericType(typedElement, null);
super.setPropertyValue(object, value);
}
}
}
public void setPropertyValue(Object object, Object value) {
super.setPropertyValue(findCorrectOwner(feature, (EObject) object), value);
}