private void addToAllValidIfNeeded(E element) {
if (allValid != null) {
if (element instanceof Property<?>) {
allValid.add((Property<?>) element);
} else if (element instanceof Model) {
allValid.add(((Model) element).allValid());
}
}
}
/**
* @return a property that, if we contain properties or models, will be true if all contains
* properties/models (as well as ourself) are valid.
*/
public Property<Boolean> allValid() {
if (allValid == null) {
allValid = new PropertyGroup(getValueObject().getName() + ".allValid");
allValid.add(this);
for (E element : getDirect()) {
addToAllValidIfNeeded(element);
}
}
return allValid;
}