/// <summary>
/// Determines whether the specified <see cref="T:Dt.CalcEngine.CalcCellIdentity" />
/// is equal to the current <see cref="T:Dt.CalcEngine.CalcCellIdentity" />.
/// </summary>
/// <param name="other">
/// The <see cref="T:Dt.CalcEngine.CalcCellIdentity" /> to compare with the
/// current <see cref="T:Dt.CalcEngine.CalcCellIdentity" />.
/// </param>
/// <returns>
/// <see langword="true" /> if the specified <see cref="T:Dt.CalcEngine.CalcCellIdentity" />
/// is equal to the current <see cref="T:Dt.CalcEngine.CalcCellIdentity" />;
/// otherwise, <see langword="false" />.
/// </returns>
protected override bool CompareTo(CalcIdentity other)
{
CalcSheetRangeIdentity objA = other as CalcSheetRangeIdentity;
if (object.ReferenceEquals(objA, null))
{
return(false);
}
return(((((this.StartSource == objA.StartSource) && (this.EndSource == objA.EndSource)) && ((this.IsFullRow == objA.IsFullRow) && (this.IsFullColumn == objA.IsFullColumn))) && (((this.RowIndex == objA.RowIndex) && (this.ColumnIndex == objA.ColumnIndex)) && (this.RowCount == objA.RowCount))) && (this.ColumnCount == objA.ColumnCount));
}
/// <summary>
/// Gets the reference 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 reference.
/// If the <paramref name="id" /> is not recognized, return <see cref="F:Dt.CalcEngine.CalcErrors.Reference" />.
/// </returns>
public virtual object GetReference(CalcIdentity id)
{
if (id is CalcExternalIdentity)
{
CalcExternalIdentity identity = id as CalcExternalIdentity;
ICalcSource source = identity.Source;
if (source != null)
{
return(source.GetReference(identity.ConvertToLocal()));
}
}
else
{
if (id is CalcSheetRangeIdentity)
{
IMultiSourceProvider provider = this.Source as IMultiSourceProvider;
if (provider == null)
{
return(CalcErrors.Reference);
}
try
{
CalcSheetRangeIdentity identity2 = id as CalcSheetRangeIdentity;
CalcLocalIdentity identity3 = identity2.ConvertToLocal();
List <CalcReference> references = new List <CalcReference>();
foreach (ICalcSource source2 in provider.GetCalcSources(identity2.StartSource, identity2.EndSource))
{
CalcReference item = source2.GetReference(identity3) as CalcReference;
if (item != null)
{
references.Add(item);
}
}
return(new SheetRangeReference(references));
}
catch
{
return(CalcErrors.Reference);
}
}
if ((this.Source != null) && (id is CalcLocalIdentity))
{
return(this.Source.GetReference(id as CalcLocalIdentity));
}
}
return(CalcErrors.Reference);
}