selectAllItem method
Function to select or unselect all item
Implementation
void selectAllItem({
// Flag to set function mode to select all or unselect all
required bool isSetToSelected,
}) async {
if (item.isEmpty) return;
for (var e in item) {
e.isSelected = isSetToSelected ? true : false;
}
totalSelected = isSetToSelected ? item.length : 0;
isSelectedAllItem = isSetToSelected ? true : false;
if (!_disposed) {
notifyListeners();
refreshStateParentWidget();
}
}