private void FlexChartDateTimeFilter_GroupByChanged(object sender, EventArgs e)
{
if (UseCustomGroups)
{
var customGroups = new GroupByEventArgs();
GroupByChanged?.Invoke(this, customGroups);
items = customGroups.ItemsSource == null ? source : customGroups.ItemsSource;
dtFilterView.ChangeDataSource(items, customGroups.BindingX, customGroups.Binding);
}
else
{
GroupByChanged?.Invoke(this, null);
UpdateView();
}
}
private void CustomDtFilter_GroupByChangedChanged(object sender, GroupByEventArgs e)
{
var dtFilter = sender as FlexChartDateTimeFilter;
switch (dtFilter.GroupBy)
{
case DateTimeGroupOption.ShowAll:
e.BindingX = "Date";
dtFilter.ShowRangeSlider = true;
break;
case DateTimeGroupOption.Yearly:
e.BindingX = "XValue";
e.ItemsSource = GetGroupByYear(dtFilter);
dtFilter.ShowRangeSlider = false;
break;
case DateTimeGroupOption.Quarterly:
e.BindingX = "XValue";
e.ItemsSource = GetGroupByQuarter(dtFilter);
dtFilter.ShowRangeSlider = false;
break;
case DateTimeGroupOption.Monthly:
e.BindingX = "XValue";
e.ItemsSource = GetGroupByMonth(dtFilter);
dtFilter.ShowRangeSlider = true;
break;
case DateTimeGroupOption.Weekly:
e.BindingX = "XValue";
e.ItemsSource = GetGroupByWeek(dtFilter);
dtFilter.ShowRangeSlider = true;
break;
}
}