public TFlexCelDataSource(string dtName, VirtualDataTable aData, TRelationshipList ExtraRelations, TRelationshipList StaticRelations, TBand MasterBand, string Sort, IDataTableFinder TableFinder) { SplitLink = null; TBand band = MasterBand; TMasterDetailLinkList MasterDetailLinkList = new TMasterDetailLinkList(); while (band != null) { if (band.DataSource != null) { TRelation RelToMaster = band.DataSource.Data.GetRelationWith(aData); if (RelToMaster != null) { MasterDetailLinkList.AddRelation(band.DataSource.DataState, RelToMaster); } //Create the splitlink. TMasterSplitDataTableState SplitMaster = band.DataSource.DataState as TMasterSplitDataTableState; if (SplitMaster != null && String.Equals(SplitMaster.DetailName, dtName, StringComparison.CurrentCultureIgnoreCase)) { if (SplitLink != null) { FlxMessages.ThrowException(FlxErr.ErrSplitNeedsOnlyOneMaster, dtName, SplitMaster.TableName, SplitLink.ParentDataSource.TableName); } SplitLink = new TSplitLink(SplitMaster, SplitMaster.SplitCount); } AddExtraRelationships(TableFinder, aData, ExtraRelations, band, MasterDetailLinkList); AddExtraRelationships(TableFinder, aData, StaticRelations, band, MasterDetailLinkList); } band = band.MasterBand; } MasterDetailLinks = MasterDetailLinkList.ToArray(); Data = aData; DataState = aData.CreateState(Sort, MasterDetailLinks, SplitLink); DataState.FTableName = dtName; FName = dtName; }
public void AddRelation(VirtualDataTableState aParentDataSource, TRelation Relation) { int[] Pc = Relation.ParentColumns; int[] Cc = Relation.ChildColumns; if (Pc == null && Cc == null) //Intrinsic relationship { Add(new TMasterDetailLink(aParentDataSource, 0, null)); return; } if (Pc.Length != Cc.Length) { return; //Invalid relation. } for (int i = 0; i < Pc.Length; i++) { string ChildName = Relation.ChildTable.GetColumnName(Cc[i]); if (!Find(ChildName)) { Add(new TMasterDetailLink(aParentDataSource, Pc[i], ChildName)); } } }