@Override
public void delete() {
if (foreground != null) {
foreground.deleteObserver(this);
}
super.delete();
disableStartObjectObserving();
disableEndObjectObserving();
}
protected void enableStartObjectObserving(ShapeGraphicalRepresentation<?> aStartObject) {
if (aStartObject == null || !aStartObject.isValidated()) {
return;
}
if (enabledStartObjectObserving) {
disableStartObjectObserving();
}
if (aStartObject != null /*&& !enabledStartObjectObserving*/) {
aStartObject.addObserver(this);
observedStartObjects.add(aStartObject);
if (!isDeserializing()) {
for (Object o : aStartObject.getAncestors(true)) {
if (getGraphicalRepresentation(o) != null) {
getGraphicalRepresentation(o).addObserver(this);
observedStartObjects.add(getGraphicalRepresentation(o));
}
}
}
enabledStartObjectObserving = true;
}
}