// properties and customizer
public Node.PropertySet[] getPropertySets() {
if (propertySets == null) {
if (layoutDelegate == null) {
return new Node.PropertySet[0]; // Issue 63916
}
propertySets = layoutDelegate.getPropertySets();
for (Node.PropertySet propertySet : propertySets) {
FormProperty<?>[] props = (FormProperty<?>[]) propertySet.getProperties();
for (FormProperty<?> prop : props) {
prop.addVetoableChangeListener(getLayoutListener());
prop.addPropertyChangeListener(getLayoutListener());
}
}
}
return propertySets;
}
