private static void AddExtraRelationships(IDataTableFinder TableFinder, VirtualDataTable aData, TRelationshipList Relations, TBand band, TMasterDetailLinkList MasterDetailLinkList)
{
foreach (TRelationship tr in Relations)
{
TDataSourceInfo dParent = TableFinder.TryGetDataTable(tr.ParentTable);
if (dParent == null || dParent.Table == null)
{
FlxMessages.ThrowException(FlxErr.ErrInvalidManualRelationshipDatasetNull, tr.ParentTable);
}
TDataSourceInfo dChild = TableFinder.TryGetDataTable(tr.ChildTable);
if (dChild == null || dChild.Table == null)
{
FlxMessages.ThrowException(FlxErr.ErrInvalidManualRelationshipDatasetNull, tr.ChildTable);
}
if (SameTable(dChild.Table, aData) && SameTable(dParent.Table, band.DataSource.Data))
{
GetColIndexes(dParent.Table, tr.ParentColumns, true); //we do it here so it checks all columns exist in the parent. They might not exist in our table, and that is ok if our table is a distinct for example)
GetColIndexes(dChild.Table, tr.ChildColumns, true);
int[] ChildCols = GetColIndexes(aData, tr.ChildColumns, false);
int[] ParentCols = GetColIndexes(band.DataSource.Data, tr.ParentColumns, false);
if (ChildCols != null && ParentCols != null)
{
MasterDetailLinkList.AddRelation(band.DataSource.DataState,
new TRelation(band.DataSource.Data, aData, ParentCols,
ChildCols));
}
}
}
}
internal TDataSourceInfo this[string key]
{
get
{
TDataSourceInfo Result = null;
if (FList.TryGetValue(key, out Result))
{
return(Result);
}
return(null);
}
}
private void DestroyItem(string key, bool OnlyTemp)
{
if (!OwnsObjects)
{
return;
}
TDataSourceInfo di = this[key];
if (di != null && (di.TempTable || (!OnlyTemp && di.VirtualTableNeedsDispose)))
{
di.DestroyTables();
FList.Remove(key);
}
}
internal void Add(string dtName, VirtualDataTable dt, bool VirtualTableNeedsDispose)
{
DestroyItem(dtName);
FList[dtName] = new TDataSourceInfo(dtName, dt, "", "", VirtualTableNeedsDispose, VirtualTableNeedsDispose, TableFinder);
}
internal void Add(string dvName, TDataSourceInfo di)
{
DestroyItem(dvName);
FList[di.Name] = di;
}
internal void Add(string dvName, DataView dv, bool DataViewNeedsDispose)
{
DestroyItem(dvName);
FList[dvName] = new TDataSourceInfo(dvName, new TAdoDotNetDataTable(dvName, null, dv.Table, DataViewNeedsDispose), dv.RowFilter, dv.Sort, true, DataViewNeedsDispose, TableFinder);
}
internal void Add(string dtName, DataTable dt, bool DataTableNeedsDispose)
{
DestroyItem(dtName);
FList[dtName] = new TDataSourceInfo(dtName, new TAdoDotNetDataTable(dtName, null, dt, DataTableNeedsDispose), "", "", true, DataTableNeedsDispose, TableFinder);
}