public override void Render()
{
// Receive parent data item context
HierarchicalDataItem parentDataItem = GetDataContext();
_data = _isDataReceivedDirectly ? _data : _templateProcessor.GetValue(_dataSourceTemplate, parentDataItem);
bool isCanceled = CallBeforeRenderMethod();
if (isCanceled)
{
ResultRange = ExcelHelper.CloneRange(Range);
return;
}
ICustomEnumerator enumerator = null;
try
{
enumerator = EnumeratorFactory.Create(_data) ?? new EnumerableEnumerator(new object[] { });
IDictionary <IXLCell, IList <ParsedAggregationFunc> > totalCells = ParseTotalCells();
DoAggregation(enumerator, totalCells.SelectMany(t => t.Value).ToArray(), parentDataItem);
IXLWorksheet ws = Range.Worksheet;
dynamic dataSource = new ExpandoObject();
var dataSourceAsDict = (IDictionary <string, object>)dataSource;
foreach (KeyValuePair <IXLCell, IList <ParsedAggregationFunc> > totalCell in totalCells)
{
IList <ParsedAggregationFunc> aggFuncs = totalCell.Value;
foreach (ParsedAggregationFunc f in aggFuncs)
{
dataSourceAsDict[$"AggFunc_{f.UniqueName}"] = f.Result;
}
}
string rangeName = $"AggFuncs_{Guid.NewGuid():N}";
Range.AddToNamed(rangeName, XLScope.Worksheet);
var dataPanel = new ExcelDataSourcePanel(new[] { dataSource }, ws.NamedRange(rangeName), _report, _templateProcessor)
{
Parent = Parent
};
dataPanel.Render();
ResultRange = ExcelHelper.MergeRanges(Range, dataPanel.ResultRange);
}
finally
{
(enumerator as IDisposable)?.Dispose();
}
RemoveName();
CallAfterRenderMethod();
}
