enterMultiSelectionMode method
Enters multi-selection mode for items and notifies parent widget. This will also mark these
items selected if alsoSelect
is not null.
Implementation
void enterMultiSelectionMode({Iterable<K>? alsoSelect}) {
if (!_multiSelecting) {
_multiSelecting = true;
_widget?.stateSetter.call();
_widget?.onModeChanged?.call(true);
if (alsoSelect != null) {
select(alsoSelect); // also with stateSetter
}
}
}