private bool IsDuplicateEvent(
NotifyCollectionChangedEventArgs e,
GridGroupByFieldCollection otherCollection)
{
if (e.Action == NotifyCollectionChangedAction.ItemChanged)
{
GridGroupByField newItem = e.NewItems[0] as GridGroupByField;
if (otherCollection.Contains(newItem))
{
NotifyCollectionChangedEventArgs changedEventArgs = this.duplicateEventsList.Find((Predicate <NotifyCollectionChangedEventArgs>)(args =>
{
if (args.NewItems[0] == e.NewItems[0])
{
return(args.PropertyName == e.PropertyName);
}
return(false);
}));
if (changedEventArgs == null)
{
this.duplicateEventsList.Add(e);
return(true);
}
this.duplicateEventsList.Remove(changedEventArgs);
}
}
return(false);
}
private static void UpdateFieldNameAndAliasReferences(
GridGroupByFieldCollection list,
GridGroupByField groupByField)
{
GridGroupByExpression.UpdateReference(list, groupByField);
GridGroupByField byName = list.FindByName(groupByField.FieldName);
if (byName != null && (byName.IsFieldAliasSet && groupByField.IsFieldAliasSet && byName.Aggregate == groupByField.Aggregate ^ string.Compare(byName.FieldAlias, groupByField.FieldAlias) == 0))
{
throw new FormatException("Same aggregates on same field should have same alias.");
}
}
private static void UpdateGroupByReferences(
GridGroupByFieldCollection list,
GridGroupByField groupByField)
{
GridGroupByField gridGroupByField = list.Find(groupByField.FieldName);
if (gridGroupByField == null)
{
return;
}
groupByField.FieldName = gridGroupByField.FieldName;
if (!gridGroupByField.IsFieldAliasSet)
{
return;
}
groupByField.FieldAlias = gridGroupByField.FieldAlias;
}
private static void UpdateReference(GridGroupByFieldCollection list, GridGroupByField ggbf)
{
GridGroupByField byAlias = list.FindByAlias(ggbf.FieldName);
if (byAlias == null)
{
return;
}
if (byAlias.IsAggregate && ggbf.IsAggregate)
{
throw new FormatException(string.Format("Cannot create aggregate of aggregate: {0}({1}({2}))", (object)byAlias.Aggregate, (object)ggbf.Aggregate, (object)byAlias.FieldName));
}
ggbf.FieldName = byAlias.FieldName;
if (!byAlias.IsAggregate)
{
return;
}
ggbf.Aggregate = byAlias.Aggregate;
}