selectAll method
void
selectAll()
Implementation
void selectAll() {
_selected.clear();
_selected.addAll(nodes.map((e) => e.key).toList());
_cacheSelectedOrigins();
notifyListeners();
}
void selectAll() {
_selected.clear();
_selected.addAll(nodes.map((e) => e.key).toList());
_cacheSelectedOrigins();
notifyListeners();
}