private void CalculateChilds(ListSourceGroupInfo parent, IEnumerable<GroupDataItem> dataSource)
{
var level = parent != null ? parent.Level + 1 : 0;
if (level >= GroupCount)
{
ResultsRepository.AddItem(parent, new List<ListSourceGroupInfo>());
return;
}
var groupedDataSource = dataSource.GroupBy(x => x.PropertyValues[level]);
var repositoryValue = new List<ListSourceGroupInfo>();
foreach (var keyValuePair in groupedDataSource)
{
var childsDataSource = keyValuePair.ToList();
var summaryRepositories = childsDataSource.Select(x => x.SummaryRepository);
var summaryRepository = summaryRepositories.Aggregate();
var groupValue = keyValuePair.Key;
var childDataRowCount = summaryRepository.Value(Aggregate.Count, KeyFieldName).As<int>();
var summaries = summaryRepository.Values(GroupSummaryInfo);
var groupInfo = new SimpleListSourceGroupInfo
{
Level = level,
GroupValue = groupValue,
ChildDataRowCount = childDataRowCount
}
.AddSummaries(summaries);
repositoryValue.Add(groupInfo);
CalculateChilds(groupInfo, childsDataSource);
}
ResultsRepository.AddItem(parent, repositoryValue);
}
public List<ListSourceGroupInfo> GetGroupInfo(ListSourceGroupInfo parentGroup)
{
return listServer.GetGroupInfo(parentGroup);
}
public virtual Boolean PrefetchRows(ListSourceGroupInfo[] groupsToPrefetch, System.Threading.CancellationToken cancellationToken)
{
return listServer.PrefetchRows(groupsToPrefetch, cancellationToken);
}
private static object CalculateRepositoryKey(ListSourceGroupInfo parentGroup)
{
return(parentGroup ?? (object)Nothing.Value);
}
public List <ListSourceGroupInfo> GetGroupInfo(ListSourceGroupInfo parentGroup)
{
return(Source[CalculateRepositoryKey(parentGroup)]);
}
public GroupInfoRepository AddItem(ListSourceGroupInfo parentGroup, List <ListSourceGroupInfo> value)
{
Source.Add(CalculateRepositoryKey(parentGroup), value);
return(this);
}
private static object CalculateRepositoryKey(ListSourceGroupInfo parentGroup)
{
return parentGroup ?? (object)Nothing.Value;
}
public List<ListSourceGroupInfo> GetGroupInfo(ListSourceGroupInfo parentGroup)
{
return Source[CalculateRepositoryKey(parentGroup)];
}
public GroupInfoRepository AddItem(ListSourceGroupInfo parentGroup, List<ListSourceGroupInfo> value)
{
Source.Add(CalculateRepositoryKey(parentGroup), value);
return this;
}
List <ListSourceGroupInfo> IListServer.GetGroupInfo(ListSourceGroupInfo parentGroup)
{
throw new NotImplementedException();
}
public List <ListSourceGroupInfo> GetGroupInfo(ListSourceGroupInfo parentGroup)
{
return(GroupInfoRepositoryCache.Value.GetGroupInfo(parentGroup));
}
public List <ListSourceGroupInfo> GetGroupInfo(ListSourceGroupInfo parentGroup)
{
return(new List <ListSourceGroupInfo>(0));
}