private void GetSummaryValues()
{
if (ItemsSource == null || string.IsNullOrEmpty(SummaryBindingPath))
{
return;
}
IEnumerator enumerator = ItemsSource.GetEnumerator();
PropertyInfo summaryPropertyInfo;
IPropertyAccessor summaryPropertyAccessor = null;
if (SummaryValues != null)
{
SummaryValues.Clear();
}
else
{
SummaryValues = new List <bool>();
}
IList <bool> summaryValues = SummaryValues;
if (enumerator.MoveNext())
{
summaryPropertyInfo = ChartDataUtils.GetPropertyInfo(enumerator.Current, SummaryBindingPath);
if (summaryPropertyInfo != null)
{
summaryPropertyAccessor = FastReflectionCaches.PropertyAccessorCache.Get(summaryPropertyInfo);
}
if (summaryPropertyAccessor == null)
{
return;
}
Func <object, object> summaryGetMethod = summaryPropertyAccessor.GetMethod;
if (summaryGetMethod(enumerator.Current) != null && summaryGetMethod(enumerator.Current).GetType().IsArray)
{
return;
}
try
{
do
{
object summaryVal = summaryGetMethod(enumerator.Current);
summaryValues.Add(Convert.ToBoolean(summaryVal));
}while (enumerator.MoveNext());
}
catch
{
}
}
}
/// <summary>
/// Method implementation for Set points to given index
/// </summary>
/// <param name="index"></param>
/// <param name="obj"></param>
/// <param name="replace"></param>
protected override void SetIndividualPoint(int index, object obj, bool replace)
{
// Updating summary value of the series.
if (SummaryBindingPath != null)
{
object summaryValue = GetArrayPropertyValue(obj, new string[] { SummaryBindingPath });
if (replace && SummaryValues.Count > index)
{
SummaryValues[index] = Convert.ToBoolean(summaryValue);
}
else
{
SummaryValues.Insert(index, Convert.ToBoolean(summaryValue));
}
}
// Updating x and y value of the series.
base.SetIndividualPoint(index, obj, replace);
// Updating segment's SegmentType property based on yvalue.
if (SummaryValues != null && index < Segments.Count && index < YValues.Count)
{
WaterfallSegment segment = Segments[index] as WaterfallSegment;
if (SummaryValues[index] == false)
{
if (YValues[index] < 0)
{
segment.SegmentType = WaterfallSegmentType.Negative;
}
else
{
segment.SegmentType = WaterfallSegmentType.Positive;
}
}
else
{
segment.SegmentType = WaterfallSegmentType.Sum;
}
// Updating changed segment interior property.
segment.BindProperties();
}
}
