public ValueEval GetNameXEval(NameXPtg nameXPtg)
{
ExternalSheet externSheet = _workbook.GetExternalSheet(nameXPtg.SheetRefIndex);
if (externSheet == null)
{
return(new NameXEval(nameXPtg));
}
String workbookName = externSheet.GetWorkbookName();
ExternalName externName = _workbook.GetExternalName(
nameXPtg.SheetRefIndex,
nameXPtg.NameIndex
);
try
{
WorkbookEvaluator refWorkbookEvaluator = _bookEvaluator.GetOtherWorkbookEvaluator(workbookName);
IEvaluationName evaluationName = refWorkbookEvaluator.GetName(externName.Name, externName.Ix - 1);
if (evaluationName != null && evaluationName.HasFormula)
{
if (evaluationName.NameDefinition.Length > 1)
{
throw new Exception("Complex name formulas not supported yet");
}
Ptg ptg = evaluationName.NameDefinition[0];
if (ptg is Ref3DPtg)
{
Ref3DPtg ref3D = (Ref3DPtg)ptg;
int sheetIndex = refWorkbookEvaluator.GetSheetIndexByExternIndex(ref3D.ExternSheetIndex);
String sheetName = refWorkbookEvaluator.GetSheetName(sheetIndex);
SheetRefEvaluator sre = CreateExternSheetRefEvaluator(workbookName, sheetName);
return(new LazyRefEval(ref3D.Row, ref3D.Column, sre));
}
else if (ptg is Area3DPtg)
{
Area3DPtg area3D = (Area3DPtg)ptg;
int sheetIndex = refWorkbookEvaluator.GetSheetIndexByExternIndex(area3D.ExternSheetIndex);
String sheetName = refWorkbookEvaluator.GetSheetName(sheetIndex);
SheetRefEvaluator sre = CreateExternSheetRefEvaluator(workbookName, sheetName);
return(new LazyAreaEval(area3D.FirstRow, area3D.FirstColumn, area3D.LastRow, area3D.LastColumn, sre));
}
}
return(ErrorEval.REF_INVALID);
}
catch (WorkbookNotFoundException)
{
return(ErrorEval.REF_INVALID);
}
}
public LazyAreaEval(int firstRowIndex, int firstColumnIndex, int lastRowIndex,
int lastColumnIndex, SheetRefEvaluator evaluator) :
base(firstRowIndex, firstColumnIndex, lastRowIndex, lastColumnIndex)
{
_evaluator = evaluator;
}
public LazyAreaEval(AreaI ptg, SheetRefEvaluator evaluator) : base(ptg)
{
_evaluator = evaluator;
}
public LazyRefEval(Ref3DPtg ptg, SheetRefEvaluator sre)
: base(ptg.Row, ptg.Column)
{
_evaluator = sre;
}
public ValueEval GetRef3DEval(int rowIndex, int columnIndex, int extSheetIndex)
{
SheetRefEvaluator sre = CreateExternSheetRefEvaluator(extSheetIndex);
return(new LazyRefEval(rowIndex, columnIndex, sre));
}
public ValueEval GetRefEval(int rowIndex, int columnIndex)
{
SheetRefEvaluator sre = GetRefEvaluatorForCurrentSheet();
return(new LazyRefEval(rowIndex, columnIndex, sre));
}
/**
* Resolves a cell or area reference dynamically.
* @param workbookName the name of the workbook Containing the reference. If <code>null</code>
* the current workbook is assumed. Note - to Evaluate formulas which use multiple workbooks,
* a {@link CollaboratingWorkbooksEnvironment} must be set up.
* @param sheetName the name of the sheet Containing the reference. May be <code>null</code>
* (when <c>workbookName</c> is also null) in which case the current workbook and sheet is
* assumed.
* @param refStrPart1 the single cell reference or first part of the area reference. Must not
* be <code>null</code>.
* @param refStrPart2 the second part of the area reference. For single cell references this
* parameter must be <code>null</code>
* @param isA1Style specifies the format for <c>refStrPart1</c> and <c>refStrPart2</c>.
* Pass <c>true</c> for 'A1' style and <c>false</c> for 'R1C1' style.
* TODO - currently POI only supports 'A1' reference style
* @return a {@link RefEval} or {@link AreaEval}
*/
public ValueEval GetDynamicReference(String workbookName, String sheetName, String refStrPart1,
String refStrPart2, bool isA1Style)
{
if (!isA1Style)
{
throw new Exception("R1C1 style not supported yet");
}
SheetRefEvaluator sre = CreateExternSheetRefEvaluator(workbookName, sheetName);
if (sre == null)
{
return(ErrorEval.REF_INVALID);
}
// ugly typecast - TODO - make spReadsheet version more easily accessible
SpreadsheetVersion ssVersion = ((IFormulaParsingWorkbook)_workbook).GetSpreadsheetVersion();
NameType part1refType = ClassifyCellReference(refStrPart1, ssVersion);
switch (part1refType)
{
case NameType.BAD_CELL_OR_NAMED_RANGE:
return(ErrorEval.REF_INVALID);
case NameType.NAMED_RANGE:
IEvaluationName nm = ((IFormulaParsingWorkbook)_workbook).GetName(refStrPart1, _sheetIndex);
if (!nm.IsRange)
{
throw new Exception("Specified name '" + refStrPart1 + "' is not a range as expected.");
}
return(_bookEvaluator.EvaluateNameFormula(nm.NameDefinition, this));
}
if (refStrPart2 == null)
{
// no ':'
switch (part1refType)
{
case NameType.COLUMN:
case NameType.ROW:
return(ErrorEval.REF_INVALID);
case NameType.CELL:
CellReference cr = new CellReference(refStrPart1);
return(new LazyRefEval(cr.Row, cr.Col, sre));
}
throw new InvalidOperationException("Unexpected reference classification of '" + refStrPart1 + "'.");
}
NameType part2refType = ClassifyCellReference(refStrPart1, ssVersion);
switch (part2refType)
{
case NameType.BAD_CELL_OR_NAMED_RANGE:
return(ErrorEval.REF_INVALID);
case NameType.NAMED_RANGE:
throw new Exception("Cannot Evaluate '" + refStrPart1
+ "'. Indirect Evaluation of defined names not supported yet");
}
if (part2refType != part1refType)
{
// LHS and RHS of ':' must be compatible
return(ErrorEval.REF_INVALID);
}
int firstRow, firstCol, lastRow, lastCol;
switch (part1refType)
{
case NameType.COLUMN:
firstRow = 0;
lastRow = ssVersion.LastRowIndex;
firstCol = ParseColRef(refStrPart1);
lastCol = ParseColRef(refStrPart2);
break;
case NameType.ROW:
firstCol = 0;
lastCol = ssVersion.LastColumnIndex;
firstRow = ParseRowRef(refStrPart1);
lastRow = ParseRowRef(refStrPart2);
break;
case NameType.CELL:
CellReference cr;
cr = new CellReference(refStrPart1);
firstRow = cr.Row;
firstCol = cr.Col;
cr = new CellReference(refStrPart2);
lastRow = cr.Row;
lastCol = cr.Col;
break;
default:
throw new InvalidOperationException("Unexpected reference classification of '" + refStrPart1 + "'.");
}
return(new LazyAreaEval(firstRow, firstCol, lastRow, lastCol, sre));
}