public override object Parse(MathCell ownerMathCell)
{
string formula = ownerMathCell.DereferencedFormula =
ownerMathCell.Formula = RemoveRedundantZeroes(ownerMathCell);
if (AddressesHandler.HasAnyAddress(formula))
{
int i = 0;
while (AddressesHandler.HasAnyAddress(formula)) // While formula contains any reference
{
MathCell refCell = ownerMathCell.References[i];
string refAddress = refCell.OwnAddress;
if (refCell.Value == null)
{
refCell.EvaluateFormula();
}
string refValue = refCell.Value.ToString();
if (string.IsNullOrEmpty(refValue))
{
ownerMathCell.DereferencedFormula = formula = formula.Replace(refAddress, "0");
}
ownerMathCell.DereferencedFormula = formula = formula.Replace(refAddress, refValue);
++i;
}
}
return(base.Parse(ownerMathCell));
}
public MathCell GetMathCell(string address)
{
var(rowIndex, colIndex) = AddressesHandler.GetIndexes(address);
MathCell mCell = (MathCell)OwnerGrid.dataGridView[colIndex, rowIndex].Tag;
return(mCell);
}
public override object Parse(MathCell ownerMathCell)
{
ownerMathCell.ResetReferences();
string formula = ownerMathCell.Formula;
if (AddressesHandler.HasAnyAddress(formula))
{
List <string> formulaReferences = AddressesHandler.GetAddresses(formula);
for (int i = 0; i < formulaReferences.Count; ++i)
{
string reference = formulaReferences[i];
MathCell refCell =
MathCellsProvider.GetInstance.GetMathCell(reference);
if (!ownerMathCell.References.Contains(refCell))
{
ownerMathCell.InsertReference(refCell);
}
if (!refCell.Dependents.Contains(ownerMathCell))
{
refCell.InsertDependent(ownerMathCell);
}
}
}
return(base.Parse(ownerMathCell));
}
private static string RemoveRedundantZeroes(MathCell ownerMathCell)
{
string formula = ownerMathCell.Formula;
List <string> oldAdr = AddressesHandler.GetAddresses(formula);
const string pattern = @"0+(?=(0|[1-9]))";
for (int i = 0; i < oldAdr.Count; ++i)
{
string updStr = Regex.Replace(oldAdr[i], pattern, "", RegexOptions.Compiled);
formula = ownerMathCell.Formula.Replace(oldAdr[i], updStr);
}
return(formula);
}
private static bool HasInvalidIndexing(string formula)
{
List <string> formulaAddresses = AddressesHandler.GetAddresses(formula);
GridForm ownerGrid = MathCellsProvider.GetInstance.OwnerGrid;
foreach (string address in formulaAddresses)
{
var(rowIndex, colIndex) = AddressesHandler.GetIndexes(address);
if (rowIndex >= ownerGrid.dataGridView.RowCount || colIndex >= ownerGrid.dataGridView.ColumnCount)
{
return(true);
}
}
return(false);
}
public override object Parse(MathCell ownerMathCell)
{
// Removes spaces for proper parsing
string formula = ownerMathCell.Formula = RemoveSpaces(ownerMathCell.Formula);
List <string> refAddresses = AddressesHandler.GetAddresses(formula);
if (refAddresses.Count != 0 && formula.First() != '=')
{
ownerMathCell.ResetReferences();
throw new InvalidReferenceFormat();
}
if (string.IsNullOrEmpty(formula) || formula.First() != '=')
{
ownerMathCell.ResetReferences();
return(formula);
}
return(base.Parse(ownerMathCell)); // Proceed
}
public void ShiftReferences()
{
List <string> updatedReferences = AddressesHandler.GetAddresses(References);
List <string> oldReferences = AddressesHandler.GetAddresses(Formula);
try
{
for (int i = 0; i < oldReferences.Count; ++i)
{
if (oldReferences[i] != "RC" && oldReferences[i] != updatedReferences[i])
{
Formula = Formula.Replace(oldReferences[i], updatedReferences[i]);
}
}
}
catch (ArgumentException ae)
{
MessageBox.Show(ae.Message, "Error in references shifting",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}