/// <summary>
/// Gets the value at specified position which indicated by <paramref name="id" />.
/// </summary>
/// <param name="id">A <see cref="T:Dt.CalcEngine.CalcIdentity" /> indicates the identity of a address.</param>
/// <returns>
/// An <see cref="T:System.Object" /> indicates the value.
/// If the <paramref name="id" /> is not recognized, return <see cref="F:Dt.CalcEngine.CalcErrors.Reference" />.
/// </returns>
public virtual object GetValue(CalcIdentity id)
{
if (id is CalcExternalIdentity)
{
CalcExternalIdentity identity = id as CalcExternalIdentity;
ICalcSource source = identity.Source;
if (source != null)
{
CalcLocalIdentity identity3;
CalcLocalIdentity identity2 = identity.ConvertToLocal();
if ((this.ArrayFormulaMode || (this.RowCount > 1)) || (this.ColumnCount > 1))
{
identity3 = new CalcRangeIdentity(this.Row, this.Column, this.RowCount, this.ColumnCount);
}
else
{
identity3 = new CalcCellIdentity(this.Row, this.Column);
}
return(source.GetEvaluatorContext(identity3).GetValue(identity2));
}
}
else if ((this.Source != null) && (id is CalcLocalIdentity))
{
CalcRangeIdentity objA = id as CalcRangeIdentity;
if (object.ReferenceEquals(objA, null))
{
return(this.Source.GetValue(id as CalcLocalIdentity));
}
if (objA._isFullColumn && objA._isFullRow)
{
return(this.Source.GetValue(new CalcCellIdentity(this.Row, this.Column)));
}
if (objA._isFullColumn)
{
return(this.Source.GetValue(new CalcCellIdentity(this.Row, objA._columnIndex)));
}
if (objA._isFullRow)
{
return(this.Source.GetValue(new CalcCellIdentity(objA._rowIndex, this.Column)));
}
if (((objA._rowCount == 1) && (objA._columnIndex <= this.Column)) && (this.Column < (objA._columnIndex + objA._columnCount)))
{
return(this.Source.GetValue(new CalcCellIdentity(objA._rowIndex, this.Column)));
}
if (((objA._columnCount == 1) && (objA._rowIndex <= this.Row)) && (this.Row < (objA._rowIndex + objA._rowCount)))
{
return(this.Source.GetValue(new CalcCellIdentity(this.Row, objA._columnIndex)));
}
if ((objA._rowCount == 1) && (objA._columnCount == 1))
{
return(this.Source.GetValue(new CalcCellIdentity(objA._rowIndex, objA._columnIndex)));
}
return(CalcErrors.Value);
}
return(CalcErrors.Reference);
}
internal bool EvaluateFormula(CalcCalculationManager mgr, DirtyItem dirtyItem)
{
CalcLocalIdentity id = dirtyItem.Id as CalcLocalIdentity;
if (object.ReferenceEquals(id, null))
{
return(false);
}
CalcExpression objA = mgr.GetExpression(id);
if (object.ReferenceEquals(objA, null))
{
return(false);
}
ICalcSource source = mgr.Source;
Dictionary <CalcLocalIdentity, CalcExpression> dictionary = new Dictionary <CalcLocalIdentity, CalcExpression>();
if ((id is CalcRangeIdentity) && mgr.Graph.IsSharedFormula(id as CalcRangeIdentity))
{
List <CalcLocalIdentity> dirtySubIds = new List <CalcLocalIdentity>();
SharedFormulaDirtyItem item = dirtyItem as SharedFormulaDirtyItem;
if ((item != null) && !item.IsFullRangeDirty)
{
dirtySubIds = (dirtyItem as SharedFormulaDirtyItem).DirtySubIds;
}
else
{
dirtySubIds.Add(id);
}
foreach (CalcLocalIdentity identity3 in dirtySubIds)
{
int num;
int num2;
int num3;
int num4;
bool flag;
CalcRangeIdentity identity4 = identity3 as CalcRangeIdentity;
CalcReferenceHelper.Id2Range(source, identity3, out num, out num2, out num3, out num4, out flag);
for (int i = num; i < (num + num3); i++)
{
for (int j = num2; j < (num2 + num4); j++)
{
if ((identity4 != null) && (identity4.IsFullRow || identity4.IsFullColumn))
{
new FullBandMappingVisitor(identity4.IsFullRow, identity4.IsFullRow ? i : j).Visit(objA, 0, 0);
}
CalcCellIdentity identity5 = new CalcCellIdentity(i, j);
CalcExpression expression = mgr.GetExpression(identity5);
if (((expression != null) && (expression == objA)) && !mgr.Graph.IsIsIntersectantWithArrayFormula(identity5))
{
dictionary[identity5] = objA;
}
}
}
}
}
else
{
dictionary.Add(id, objA);
}
foreach (KeyValuePair <CalcLocalIdentity, CalcExpression> pair in dictionary)
{
id = pair.Key;
object obj2 = mgr.Evaluator.Evaluate(pair.Value, source.GetEvaluatorContext(id));
while (!(id is CalcRangeIdentity) && ((obj2 is CalcReference) || (obj2 is CalcArray)))
{
if (obj2 is CalcReference)
{
obj2 = ExtractValueFromReference(id, obj2);
}
if (obj2 is CalcArray)
{
obj2 = (obj2 as CalcArray).GetValue(0);
}
}
source.SetValue(id, obj2);
}
return(true);
}