private void UpdateDynamicSeries()
{
if (!this.IsTemplateApplied)
{
return;
}
// clean-up existing dynamic series
for (int i = this.SeriesInternal.Count - 1; i >= 0; i--)
{
ChartSeries series = this.SeriesInternal[i] as ChartSeries;
if (ChartSeriesProvider.GetIsDynamicSeries(series))
{
this.SeriesInternal.RemoveAt(i);
}
}
var seriesProvider = this.SeriesProvider;
if (seriesProvider == null)
{
return;
}
// add all the series provided by the current series provider
foreach (var series in seriesProvider.CreateSeries())
{
this.SeriesInternal.Add(series);
}
}
private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartSeriesProvider provider = d as ChartSeriesProvider;
provider.DetachSourceEvents();
provider.sourceAsEnumerable = provider.GetSourceAsEnumerable();
provider.AttachSourceEvents();
provider.NotifyListeners();
}
private static void OnSeriesProviderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RadChartBase chart = d as RadChartBase;
ChartSeriesProvider oldProvider = e.OldValue as ChartSeriesProvider;
if (oldProvider != null)
{
oldProvider.RemoveListener(chart);
}
ChartSeriesProvider newProvider = e.NewValue as ChartSeriesProvider;
if (newProvider != null)
{
newProvider.AddListener(chart);
}
chart.UpdateDynamicSeries();
}
/// <summary>
/// Selects the desired descriptor, depending on the context specified and the owning <see cref="ChartSeriesProvider"/> instance.
/// </summary>
public virtual ChartSeriesDescriptor SelectDescriptor(ChartSeriesProvider provider, object context)
{
return(null);
}