private void SortKeysByValues(string[] keyDims, ValueKey[] keys, object[] values, ListSortDirection sortDirection)
{
if (PreserveGroupOrder && keyDims.Length > 1)
{
int grpIdx = keyDims.Length - 2;
int startIdx = 0;
for (int i = 1; i < values.Length; i++)
{
if (!keys[i].DimKeys[grpIdx].Equals(keys[i - 1].DimKeys[grpIdx]))
{
ArraySortRange(values, keys, startIdx, i - startIdx, sortDirection == ListSortDirection.Descending);
startIdx = i;
}
}
// last group
ArraySortRange(values, keys, startIdx, values.Length - startIdx, sortDirection == ListSortDirection.Descending);
}
else
{
var comparer = ValuesComparer;
if (comparer == null && ListValuesComparer.HasListValue(values))
{
comparer = new ListValuesComparer();
}
Array.Sort(values, keys, comparer);
if (sortDirection == ListSortDirection.Descending)
{
Array.Reverse(keys);
}
}
}
private void ArraySortRange(object[] values, object[] keys, int start, int len, bool reverse)
{
if (len <= 1)
{
return;
}
var comparer = ValuesComparer;
if (comparer == null && ListValuesComparer.HasListValue(values))
{
comparer = new ListValuesComparer();
}
Array.Sort(values, keys, start, len, comparer);
if (reverse)
{
Array.Reverse(keys, start, len);
}
}
