@Override
public EObject createFeature(Resource resource, EClass eClass) {
// what kind of object should we create? Property or DataStore?
if (eClass == null) {
if (ModelUtil.findNearestAncestor(object, new Class[] {Process.class, Event.class}) != null)
// nearest ancestor is a Process or Event, so new object will be a Property
eClass = Bpmn2Package.eINSTANCE.getProperty();
else if (ModelUtil.findNearestAncestor(object, new Class[] {DocumentRoot.class}) != null)
eClass = Bpmn2Package.eINSTANCE.getDataStore();
}
if (eClass != null) {
return Bpmn2ModelerFactory.create(resource, eClass);
}
return null;
}
@SuppressWarnings("unchecked")
@Override
protected void internalSet(
DataAssociation association, EStructuralFeature feature, Object value, int index) {
EObject container = null;
EStructuralFeature containerFeature = null;
if (value instanceof Property) {
if (((Property) value).eContainer() == null) {
// this Property isn't owned by anything yet - figure out who the owner is
container = ModelUtil.findNearestAncestor(association, new Class[] {Activity.class});
if (container == null)
container = ModelUtil.findNearestAncestor(association, new Class[] {Event.class});
if (container == null)
container = ModelUtil.findNearestAncestor(association, new Class[] {Process.class});
containerFeature = container.eClass().getEStructuralFeature("properties"); // $NON-NLS-1$
}
} else if (value instanceof DataStore) {
if (((DataStore) value).eContainer() == null) {
// this DataStore isn't owned by anything yet - figure out who the owner is
container = ModelUtil.findNearestAncestor(association, new Class[] {DocumentRoot.class});
containerFeature = container.eClass().getEStructuralFeature("dataStore"); // $NON-NLS-1$
}
} else if (value instanceof String) {
// first check if a property with this name already exists
Hashtable<String, Object> choices = getChoiceOfValues();
Property property = (Property) choices.get(value);
if (property == null) {
// need to create a new one!
DiagramEditor editor = ModelUtil.getEditor(object);
ModelEnablements modelEnablement =
(ModelEnablements) editor.getAdapter(ModelEnablements.class);
// find nearest element that can contain a Property and create one
container = association;
for (; ; ) {
container =
ModelUtil.findNearestAncestor(
container, new Class[] {Activity.class, Event.class, Process.class});
if (container == null) return;
containerFeature =
container.eClass().getEStructuralFeature("properties"); // $NON-NLS-1$
if (modelEnablement.isEnabled(container.eClass(), containerFeature)) break;
}
containerFeature = container.eClass().getEStructuralFeature("properties"); // $NON-NLS-1$
property = Bpmn2ModelerFactory.create(Property.class);
ExtendedPropertiesAdapter adapter = ExtendedPropertiesAdapter.adapt(property);
adapter.getObjectDescriptor().setTextValue((String) value);
}
value = property;
}
final EObject c = container;
final EStructuralFeature cf = containerFeature;
final ItemAwareElement v = (ItemAwareElement) value;
if (feature == Bpmn2Package.eINSTANCE.getDataAssociation_SourceRef()) {
setSourceRef(association, v, c, cf);
} else {
setTargetRef(association, v, c, cf);
}
}
