private static void OnSelectionStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartSelectionBehavior behavior = d as ChartSelectionBehavior;
SfChart chartBase = behavior.ChartArea;
// WPF-26121, When selection style is changed the last selected segment remains selected
if (chartBase == null || chartBase.Series == null)
{
return;
}
chartBase.SeriesSelectedIndex = -1;
foreach (ChartSeries series in chartBase.Series)
{
var segmentSelectableSeries = series as ISegmentSelectable;
if (segmentSelectableSeries != null)
{
segmentSelectableSeries.SelectedIndex = -1;
}
if (chartBase.SelectedSeriesCollection.Contains(series) &&
chartBase.SeriesSelectedIndex != chartBase.Series.IndexOf(series))
{
chartBase.SelectedSeriesCollection.Remove(series);
chartBase.OnResetSeries(series);
}
// Need to revisit the code.
for (int i = 0; i < series.ActualData.Count; i++)
{
if (series.SelectedSegmentsIndexes.Contains(i))
{
series.SelectedSegmentsIndexes.Remove(i);
series.OnResetSegment(i);
}
}
}
}
private static void OnEnableSeriesSelectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SfChart chartBase = (d as ChartSelectionBehavior).ChartArea;
if (chartBase != null && !(bool)e.NewValue)
{
foreach (ChartSeries series in chartBase.Series)
{
if (chartBase.SelectedSeriesCollection.Contains(series))
{
chartBase.SelectedSeriesCollection.Remove(series);
chartBase.OnResetSeries(series);
}
}
chartBase.SeriesSelectedIndex = -1;
chartBase.SelectedSeriesCollection.Clear();
}
else if (chartBase != null && (bool)e.NewValue && chartBase.SeriesSelectedIndex != -1)
{
chartBase.SeriesSelectedIndexChanged(chartBase.SeriesSelectedIndex, -1);
}
}