toggleSort method

void toggleSort(
  1. String column
)

Implementation

void toggleSort(String column) {
  if (sortColumn != column) {
    sortColumn = column;
    sortAscending = true;
  } else if (sortAscending) {
    sortAscending = false;
  } else {
    sortColumn = null;
    sortAscending = true;
  }
  notifyListeners();
}