parent property
BeamerDelegate?
parent
A delegate of a parent of the Beamer that has this delegate.
This is not null only if multiple Beamers are used;
*App.router
and at least one more Beamer in the Widget tree.
Implementation
BeamerDelegate? get parent => _parent;
Implementation
set parent(BeamerDelegate? parent) {
if (parent == null && _parent != null) {
_parent!.removeListener(_updateFromParent);
_parent!._children.remove(this);
_parent = null;
return;
}
if (_parent == parent) {
return;
}
_parent = parent;
_parent!._children.add(this);
_initializeChild();
if (updateFromParent) {
_parent!.addListener(_updateFromParent);
}
}