private ValueEval Evaluate(String formula, CellReference target, CellRangeAddressBase region, FormulaType formulaType)
{
String sheetName = target == null ? null : target.SheetName;
if (sheetName == null)
{
throw new ArgumentException("Sheet name is required");
}
int sheetIndex = Workbook.GetSheetIndex(sheetName);
Ptg[] ptgs = FormulaParser.Parse(formula, (IFormulaParsingWorkbook)Workbook, formulaType, sheetIndex, target.Row);
AdjustRegionRelativeReference(ptgs, target, region);
OperationEvaluationContext ec = new OperationEvaluationContext(this, Workbook, sheetIndex, target.Row, target.Col, new EvaluationTracker(_cache), formulaType.GetAttributes().Get <SingleValueAttribute>().IsSingleValue);
return(EvaluateNameFormula(ptgs, ec));
}
protected bool AdjustRegionRelativeReference(Ptg[] ptgs, CellReference target, CellRangeAddressBase region)
{
if (!region.IsInRange(target))
{
throw new ArgumentException(target + " is not within " + region);
}
//return adjustRegionRelativeReference(ptgs, target.getRow() - region.getFirstRow(), target.getCol() - region.getFirstColumn());
int deltaRow = target.Row;
int deltaColumn = target.Col;
bool shifted = false;
foreach (Ptg ptg in ptgs)
{
// base class for cell reference "things"
if (ptg is RefPtgBase)
{
RefPtgBase reference = (RefPtgBase)ptg;
// re-calculate cell references
SpreadsheetVersion version = _workbook.GetSpreadsheetVersion();
if (reference.IsRowRelative)
{
int rowIndex = reference.Row + deltaRow;
if (rowIndex > version.MaxRows)
{
throw new IndexOutOfRangeException(version.Name + " files can only have " + version.MaxRows + " rows, but row " + rowIndex + " was requested.");
}
reference.Row = rowIndex;
shifted = true;
}
if (reference.IsColRelative)
{
int colIndex = reference.Column + deltaColumn;
if (colIndex > version.MaxColumns)
{
throw new IndexOutOfRangeException(version.Name + " files can only have " + version.MaxColumns + " columns, but column " + colIndex + " was requested.");
}
reference.Column = colIndex;
shifted = true;
}
}
}
return(shifted);
}
public ValueEval Evaluate(String formula, CellReference target, CellRangeAddressBase region)
{
return(Evaluate(formula, target, region, FormulaType.Cell));
}
public void SetCategoryLabelsCellRange(CellRangeAddressBase range)
{
int count = SetVerticalCellRange(dataCategoryLabels, range);
series.NumCategories = (short)count;
}
public void SetValuesCellRange(CellRangeAddressBase range)
{
int count = SetVerticalCellRange(dataValues, range);
series.NumValues = (short)count;
}
private int SetVerticalCellRange(LinkedDataRecord linkedDataRecord,
CellRangeAddressBase range)
{
if (linkedDataRecord == null)
{
throw new ArgumentNullException("linkedDataRecord should not be null"); ;
}
List<Ptg> ptgList = new List<Ptg>();
int rowCount = (range.LastRow - range.FirstRow) + 1;
int colCount = (range.LastColumn - range.FirstColumn) + 1;
foreach (Ptg ptg in linkedDataRecord.FormulaOfLink)
{
if (ptg is AreaPtgBase)
{
AreaPtgBase areaPtg = (AreaPtgBase)ptg;
areaPtg.FirstRow = range.FirstRow;
areaPtg.LastRow = range.LastRow;
areaPtg.FirstColumn = range.FirstColumn;
areaPtg.LastColumn = range.LastColumn;
ptgList.Add(areaPtg);
}
}
linkedDataRecord.FormulaOfLink = (ptgList.ToArray());
return rowCount * colCount;
}
