Пример #1
0
 /// <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);
 }
Пример #2
0
 /// <summary>
 /// Normalizes the specified node to convert all external reference to internal reference.
 /// </summary>
 /// <param name="service">The service.</param>
 /// <param name="node">The node.</param>
 /// <returns>
 /// If <paramref name="node" /> is external identity, return a new node which identity is not external, otherwise, return <paramref name="node" />.
 /// </returns>
 internal static CalcNode Normalize(CalcService service, CalcNode node)
 {
     if (!object.ReferenceEquals(node, null) && (node.Id is CalcExternalIdentity))
     {
         CalcExternalIdentity id        = node.Id as CalcExternalIdentity;
         CalcGraph            graph     = service.GetCalculationManager(id.Source, null, true).Graph;
         CalcLocalIdentity    identity2 = id.ConvertToLocal();
         node = graph.GetNode(identity2) ?? new CalcNode(id.Source, identity2);
     }
     return(node);
 }
Пример #3
0
 /// <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);
 }