checkItems method
Check or uncheck the specified items.
Items already checked will be unchecked, and viceversa.
If checkAll
is true, if all items are checked every item will be unselected,
otherwise all the items will result as selected independently of their checked status.
Implementation
void checkItems(
List<T> items, {
bool checkAll = false,
}) {
if (checkedItems.length == dataItemsToShow.length && checkAll) {
checkedItems.clear();
} else {
for (var element in items) {
if (checkedItems.contains(element)) {
if (!checkAll) {
checkedItems.remove(element);
}
} else {
checkedItems.add(element);
}
}
}
onCheckItems?.call(List.of(checkedItems));
notifyListeners();
}