convertFiltersToLowerCase method

GroupFilterExp? convertFiltersToLowerCase(
  1. GroupFilterExp? filter
)
inherited

Implementation

GroupFilterExp? convertFiltersToLowerCase(GroupFilterExp? filter) {
  if (filter != null) {
    for (var group in filter.filterExps) {
      if (group is GroupFilterExp) {
        group = convertFiltersToLowerCase(group)!;
      } else if (group is FilterExpColumn) {
        if (group.value is String) {
          group.value = group.value.toString().toLowerCase();
        }
      }
    }
  }
  return filter;
}