unselectAll method
void
unselectAll()
Marks all items as unselected, notifies parent widget, and calls onSelectChanged
if necessary.
Implementation
void unselectAll() {
if (_selectedItems.isNotEmpty) {
var items = _selectedItems.toList();
_selectedItems.clear();
_widget?.stateSetter.call();
_widget?.onSelectChanged?.call(_selectedItems, [], items);
}
}