private Task SetupContextMenu(Query query, IEnumerable <Dimension> dimensionsAvailable)
{
// Only show Dimensions that haven't been grouped by.
var dimensionContextMenuItems = dimensionsAvailable
.Where(x => !query.GroupingDimensions.Contains(x))
.Select(x =>
new ContextMenuButtonItem(Scheduler)
{
DisplayName = x.Name,
Command = new DelegateCommand(
() =>
{
var selectedDimension = dimensionsAvailable
.SingleOrDefault(d => d.Name == x.Name);
if (selectedDimension == null)
{
return;
}
//var selectedItem = Items[SelectedItemIndex];
var newFilter = query.GroupingDimensions
.Select(d => new Nitrogen.Common.DataExplorer.Filter
{
Dimension = d,
Operator = FilterOperator.Equals,
Value = SelectedItem[d.Name]
})
.ToList();
var newQuery = query.DrillDown(new[] { selectedDimension }, newFilter);
_drillDownDimensionRequest.OnNext(newQuery);
})
});
return(ContextMenu.AddRangeAsync(dimensionContextMenuItems));
}