/// <summary>
/// Gets the row enumerator.
/// </summary>
/// <returns>
/// The row enumerator
/// </returns>
internal IEnumerable <int> GetRowEnumerator()
{
IEnumerable <int> enumerator = Enumerable.Range(0, this.Rows);
switch (this.rowSortContainer.SortType)
{
case SortType.SortBySums:
enumerator = ArrayHelpers.GetIndicesFromRowSums(this.RowSums);
if (this.rowSortContainer.SortDirection == SortDirection.Descending)
{
enumerator = enumerator.Reverse();
}
break;
case SortType.Custom:
enumerator = this.rowSortContainer.CustomSortOrder;
break;
}
return(enumerator);
}