private IEnumerable <CustomGroupItem> GetGroupByWeek(FlexChartDateTimeFilter dtFilter)
{
var weeksData = finanicalData.Select(x =>
{
DateTime dt = x.Date;
var data = new
{
GroupKey = dt.GetFirstDateOfWeek(),
High = x.High,
Low = x.Low,
Open = x.Open,
Close = x.Close,
};
return(data);
});
return(weeksData.GroupBy(x => x.GroupKey).Select(x => new CustomGroupItem
{
XValue = dtFilter.GetFormattedString(x.Key, dtFilter.GroupFormats[DateTimeGroupOption.Weekly], x.Key.GetWeekOfMonth()),
High = x.Max(y => y.High),
Low = x.Min(y => y.Low),
Open = x.First().Open,
Close = x.Last().Close,
Min = x.Key,
Max = x.Key.GetLastDateOfWeek(),
}));
}
private IEnumerable <CustomGroupItem> GetGroupByMonth(FlexChartDateTimeFilter dtFilter)
{
var monthsData = finanicalData.Select(x =>
{
DateTime dt = x.Date;
var data = new
{
GroupKey = new DateTime(dt.Year, dt.Month, 1),
High = x.High,
Low = x.Low,
Open = x.Open,
Close = x.Close,
};
return(data);
});
return(monthsData.GroupBy(x => x.GroupKey).Select(x => new CustomGroupItem
{
XValue = x.Key.ToString(dtFilter.GroupFormats[DateTimeGroupOption.Monthly]),
High = x.Max(y => y.High),
Low = x.Min(y => y.Low),
Open = x.First().Open,
Close = x.Last().Close,
Min = x.Key,
Max = new DateTime(x.Key.Year, x.Key.Month, DateTime.DaysInMonth(x.Key.Year, x.Key.Month)),
}));
}
private void InitFilters()
{
var priceFilter = new FlexChartFilter(finanicalData, "Date", "High", C1.Chart.ChartType.Scatter);
priceFilter.HeaderText = "Daily High Prices";
priceFilter.SelectionMode = SelectionMode.RangeSelect;
priceFilter.ShowRangeSlider = true;
priceFilter.SliderLowerValue = new DateTime(finanicalData.Last().Date.Year, 7, 15).ToOADate();
priceFilter.SliderUpperValue = finanicalData.Last().Date.ToOADate();
priceFilter.FlexChart.SelectionStyle.FillColor = Color.NavajoWhite;
priceFilter.FlexChart.SelectionStyle.StrokeColor = Color.Red;
c1DataFilter1.Filters.Add(priceFilter);
var grpVolumeFilter = new FlexChartDateTimeFilter(finanicalData, "Date", "Volume", C1.Chart.ChartType.Column);
grpVolumeFilter.ShowSelectionMode = false;
grpVolumeFilter.HeaderText = "Volume";
grpVolumeFilter.FlexChart.AxisY.Format = "#,##0,,M";
grpVolumeFilter.GroupByChanged += (s, e) =>
{
var dtFilter = (s as FlexChartDateTimeFilter);
dtFilter.ShowRangeSlider = dtFilter.GroupBy != DateTimeGroupOption.Quarterly && dtFilter.GroupBy != DateTimeGroupOption.Yearly;
};
grpVolumeFilter.GroupBy = DateTimeGroupOption.Yearly;
c1DataFilter1.Filters.Add(grpVolumeFilter);
var customDtFilter = new FlexChartDateTimeFilter(finanicalData, "Date", "High,Low,Open,Close", C1.Chart.ChartType.Candlestick);
customDtFilter.HeaderText = "High-Low-Open-Close";
customDtFilter.FlexChart.ToolTip.Content = "X:{x}\nH:{High}\nL:{Low}\nO:{Open}\nC:{Close}";
customDtFilter.UseCustomGroups = true;
customDtFilter.GroupByChanged += CustomDtFilter_GroupByChangedChanged;
customDtFilter.GroupBy = DateTimeGroupOption.Monthly;
customDtFilter.SliderLowerValue = 17;
customDtFilter.SliderUpperValue = 24;
customDtFilter.ShowAggregate = customDtFilter.ShowSelectionMode = false;
c1DataFilter1.Filters.Add(customDtFilter);
}
