public void Setup(ColumnInfo colInfo)
{
MobiusDataType mdtLow, mdtHigh;
InSetup = true;
ColInfo = colInfo; // save ref to colInfo
Stats = colInfo.Rfld.GetStats();
ItemFilter.Properties.Minimum = 0;
ItemFilter.Properties.Maximum = Stats.DistinctValueList.Count + 2 - 1; // (All) on left, (Blanks) on right
ParsedSingleCriteria psc = MqlUtil.ParseSingleCriteria(ColInfo.Qc.SecondaryCriteria); // parse criteria
ItemFilter.Value = 0;
ValueLabel.Text = "(All)";
if (psc != null && psc.OpEnum == CompareOp.Eq && Stats.DistinctValueList.Count > 0)
{
MetaColumnType type = ColInfo.Mc.DataType;
MobiusDataType lowVal = MobiusDataType.New(type, psc.Value);
MobiusDataType highVal = MobiusDataType.New(type, psc.Value);
if (MetaColumn.IsDecimalMetaColumnType(type))
{ // adjust decimal comparison values by an epsilon
double e = MobiusDataType.GetEpsilon(Stats.MaxValue.FormattedText);
lowVal.NumericValue -= e;
highVal.NumericValue += e;
}
for (int i1 = 0; i1 < Stats.DistinctValueList.Count; i1++)
{
MobiusDataType mdt = Stats.DistinctValueList[i1];
string fTxt = mdt.FormattedText;
if (Lex.Eq(psc.Value, fTxt) ||
(mdt.CompareTo(lowVal) >= 0 && mdt.CompareTo(highVal) <= 0))
{
ItemFilter.Value = i1 + 1;
ValueLabel.Text = Stats.DistinctValueList[i1].FormattedText;
break;
}
}
}
else if (psc != null && psc.OpEnum == CompareOp.IsNull) // (Blanks)
{
ItemFilter.Value = Stats.DistinctValueList.Count + 1;
ValueLabel.Text = "(Blanks)";
}
ItemFilter.Focus();
InSetup = false;
return;
}