private void SetScatterDraggingSegment(FrameworkElement frameworkElement, ref bool isAdornment)
{
// Empty point support only given for the interior case and not for symbol case.
if (frameworkElement.Tag is EmptyPointSegment || frameworkElement.DataContext is EmptyPointSegment)
{
return;
}
if (frameworkElement.Tag is ScatterSegment || frameworkElement.DataContext is ScatterSegment)
{
draggingSegment = GetDraggingSegment(frameworkElement) as ScatterSegment;
if (ActualXAxis is CategoryAxis && !(ActualXAxis as CategoryAxis).IsIndexed)
{
SegmentIndex = ActualData.IndexOf(draggingSegment.Item);
}
else
{
SegmentIndex = Segments.IndexOf(draggingSegment);
}
}
else
{
isAdornment = true;
// Get the selected adornment index and select the adornment marker
SegmentIndex = ChartExtensionUtils.GetAdornmentIndex(frameworkElement);
if (SegmentIndex > -1)
{
draggingSegment = Segments[SegmentIndex] as ScatterSegment;
}
}
}
private static void BindProperties(ScatterSegment scatterSegment, ChartSegment currentSegment)
{
Binding binding = new Binding();
binding.Source = currentSegment;
binding.Path = new PropertyPath("Interior");
BindingOperations.SetBinding(scatterSegment, ChartSegment.InteriorProperty, binding);
}
private UIElement GetPreviewEllipse()
{
ScatterSegment scatter = new ScatterSegment();
scatter.SetData(draggingSegment.XData, draggingSegment.YData);
scatter.CustomTemplate = this.CustomTemplate;
scatter.Series = this;
// This size is not used and empty size is given in segment calculation.
var uIElement = scatter.CreateSegmentVisual(new Size(double.PositiveInfinity, double.PositiveInfinity));
// In line series preview dragging segment value is assigned. It is binded for the good working of the segment selection
// and empty point interior condition.
var colorBinding = new Binding()
{
Source = Segments[SegmentIndex], Path = new PropertyPath("Interior")
};
BindingOperations.SetBinding(scatter, ScatterSegment.InteriorProperty, colorBinding);
scatter.Update(this.ChartTransformer);
return(uIElement);
}
// Animation Ellipse logic.
private void UpdatePreviewIndicatorPosition(Point mousePos, FrameworkElement frameworkElement)
{
if (previewElement == null)
{
double positionX, positionY;
bool isAdornment = false;
// WPF_18250 DragDelta Event returns undesired delta value.
// Here we have reset the prevDraggedValue when dragged segment is changed.
int previousIndex = SegmentIndex;
draggingSegment = null;
SetScatterDraggingSegment(frameworkElement, ref isAdornment);
if (draggingSegment == null)
{
return;
}
if (previousIndex != SegmentIndex)
{
prevDraggedXValue = 0;
prevDraggedValue = 0;
}
XySegmentEnterEventArgs args = new XySegmentEnterEventArgs
{
XValue = GetActualXValue(SegmentIndex),
YValue = draggingSegment.YData,
SegmentIndex = SegmentIndex,
CanDrag = true,
};
RaiseDragEnter(args);
if (!args.CanDrag)
{
return;
}
positionY = Area.ValueToLogPoint(ActualYAxis, draggingSegment.YData);
positionX = Area.ValueToLogPoint(ActualXAxis, draggingSegment.XData);
if (CustomTemplate != null)
{
AnimationElement = GetPreviewEllipse() as ContentControl;
AnimateSegmentTemplate(positionX, positionY, draggingSegment);
}
else if (isAdornment)
{
if (AdornmentsInfo.Symbol.ToString() == "Custom")
{
AnimateAdornmentSymbolTemplate(positionX, positionY);
}
else
{
AddAnimationEllipse(
ChartDictionaries.GenericSymbolDictionary["Animation" + AdornmentsInfo.Symbol.ToString() + "Template"] as ControlTemplate,
AdornmentsInfo.SymbolHeight,
AdornmentsInfo.SymbolWidth,
positionX,
positionY,
Adornments[SegmentIndex],
true);
}
}
else
{
AddAnimationEllipse(
ChartDictionaries.GenericSymbolDictionary["AnimationEllipseTemplate"] as ControlTemplate,
ScatterHeight,
ScatterWidth,
positionX,
positionY,
Segments[SegmentIndex],
false);
}
}
}
/// <summary>
/// Creates the segments of ScatterSeries
/// </summary>
public override void CreateSegments()
{
List <double> xValues = null;
bool isGrouping = this.ActualXAxis is CategoryAxis && !(this.ActualXAxis as CategoryAxis).IsIndexed;
if (isGrouping)
{
xValues = GroupedXValuesIndexes;
}
else
{
xValues = GetXValues();
}
if (xValues != null)
{
if (isGrouping)
{
Segments.Clear();
Adornments.Clear();
for (int i = 0; i < xValues.Count; i++)
{
if (i < GroupedSeriesYValues[0].Count)
{
ScatterSegment scatterSegment = new ScatterSegment(xValues[i], GroupedSeriesYValues[0][i], this);
scatterSegment.Series = this;
scatterSegment.SetData(xValues[i], GroupedSeriesYValues[0][i]);
scatterSegment.YData = GroupedSeriesYValues[0][i];
scatterSegment.XData = xValues[i];
scatterSegment.Item = ActualData[i];
Segments.Add(scatterSegment);
if (AdornmentsInfo != null)
{
AddAdornments(xValues[i], GroupedSeriesYValues[0][i], i);
}
}
}
}
else
{
ClearUnUsedSegments(this.DataCount);
ClearUnUsedAdornments(this.DataCount);
for (int i = 0; i < this.DataCount; i++)
{
if (i < Segments.Count)
{
(Segments[i].Item) = ActualData[i];
(Segments[i]).SetData(xValues[i], YValues[i]);
(Segments[i] as ScatterSegment).XData = xValues[i];
(Segments[i] as ScatterSegment).Item = ActualData[i];
if (SegmentColorPath != null && !Segments[i].IsEmptySegmentInterior && ColorValues.Count > 0 && !Segments[i].IsSelectedSegment)
{
Segments[i].Interior = (Interior != null) ? Interior : ColorValues[i];
}
}
else
{
ScatterSegment scatterSegment = new ScatterSegment(xValues[i], YValues[i], this);
scatterSegment.Series = this;
scatterSegment.SetData(xValues[i], YValues[i]);
scatterSegment.YData = YValues[i];
scatterSegment.XData = xValues[i];
scatterSegment.Item = ActualData[i];
Segments.Add(scatterSegment);
}
if (AdornmentsInfo != null)
{
AddAdornments(xValues[i], YValues[i], i);
}
}
}
if (ShowEmptyPoints)
{
UpdateEmptyPointSegments(xValues, false);
}
}
}
/// <summary>
/// Creates the segments of Box and Whisker Series.
/// </summary>
public override void CreateSegments()
{
ClearUnUsedSegments(this.DataCount);
ClearUnUsedAdornments(this.DataCount * 5);
DoubleRange sbsInfo = this.GetSideBySideInfo(this);
double start = sbsInfo.Start;
double end = sbsInfo.End;
List <double> xValues = GetXValues();
////UpdatePercentile();
UpdateWhiskerWidth();
if (adornmentInfo != null)
{
UpdateAdornmentLabelPositiion();
}
outlierSegments = new List <ChartSegment>();
if (YCollection == null || YCollection.Count == 0)
{
return;
}
for (int i = 0; i < DataCount; i++)
{
double median, lowerQuartile, upperQuartile, minimum, maximum, x1, x2, average = 0d;
List <double> outliers = new List <double>();
var ylist = YCollection[i].Where(x => !double.IsNaN(x)).ToArray();
if (ylist.Count() > 0)
{
Array.Sort(ylist);
average = ylist.Average();
}
int yCount = ylist.Length;
isEvenList = yCount % 2 == 0;
// Getting the required values.
x1 = xValues[i] + start;
x2 = xValues[i] + end;
if (yCount == 0)
{
////To create an empty segment for the additional space requirement in range calculation.
if (i < Segments.Count)
{
var segment = Segments[i] as BoxAndWhiskerSegment;
segment.SetData(x1, x2, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, xValues[i] + sbsInfo.Median, double.NaN);
segment.Item = ActualData[i];
}
else
{
BoxAndWhiskerSegment boxEmptySegment = new BoxAndWhiskerSegment(this);
boxEmptySegment.SetData(x1, x2, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, double.NaN, xValues[i] + sbsInfo.Median, double.NaN);
boxEmptySegment.Item = ActualData[i];
Segments.Add(boxEmptySegment);
}
if (AdornmentsInfo != null)
{
if (i < Adornments.Count / 5)
{
SetBoxWhiskerAdornments(sbsInfo, xValues[i], double.NaN, double.NaN, x1, double.NaN, double.NaN, double.NaN, outliers, i);
}
else
{
AddBoxWhiskerAdornments(sbsInfo, xValues[i], double.NaN, double.NaN, x1, double.NaN, double.NaN, double.NaN, outliers, i);
}
}
continue;
}
if (BoxPlotMode == BoxPlotMode.Exclusive)
{
lowerQuartile = GetExclusiveQuartileValue(ylist, yCount, 0.25d);
upperQuartile = GetExclusiveQuartileValue(ylist, yCount, 0.75d);
median = GetExclusiveQuartileValue(ylist, yCount, 0.5d);
}
else if (BoxPlotMode == BoxPlotMode.Inclusive)
{
lowerQuartile = GetInclusiveQuartileValue(ylist, yCount, 0.25d);
upperQuartile = GetInclusiveQuartileValue(ylist, yCount, 0.75d);
median = GetInclusiveQuartileValue(ylist, yCount, 0.5d);
}
else
{
// Take the first half of the list.
median = GetMedianValue(ylist);
GetQuartileValues(ylist, yCount, out lowerQuartile, out upperQuartile);
}
GetMinMaxandOutlier(lowerQuartile, upperQuartile, ylist, out minimum, out maximum, outliers);
double actualMinimum = minimum;
double actualMaximum = maximum;
if (outliers.Count > 0)
{
actualMinimum = Math.Min(outliers.Min(), actualMinimum);
actualMaximum = Math.Max(outliers.Max(), actualMaximum);
}
ChartSegment currentSegment = null;
if (i < Segments.Count)
{
currentSegment = Segments[i];
var segment = Segments[i] as BoxAndWhiskerSegment;
segment.SetData(x1, x2, actualMinimum, minimum, lowerQuartile, median, upperQuartile, maximum, actualMaximum, xValues[i] + sbsInfo.Median, average);
WhiskerWidth = whiskerWidth;
segment.Item = ActualData[i];
}
else
{
BoxAndWhiskerSegment boxSegment = new BoxAndWhiskerSegment(this);
boxSegment.SetData(x1, x2, actualMinimum, minimum, lowerQuartile, median, upperQuartile, maximum, actualMaximum, xValues[i] + sbsInfo.Median, average);
boxSegment.Item = ActualData[i];
boxSegment.Outliers = outliers;
boxSegment.WhiskerWidth = whiskerWidth;
currentSegment = boxSegment;
Segments.Add(boxSegment);
}
if (AdornmentsInfo != null)
{
if (i < Adornments.Count / 5)
{
SetBoxWhiskerAdornments(sbsInfo, xValues[i], minimum, maximum, x1, median, lowerQuartile, upperQuartile, outliers, i);
}
else
{
AddBoxWhiskerAdornments(sbsInfo, xValues[i], minimum, maximum, x1, median, lowerQuartile, upperQuartile, outliers, i);
}
}
if (outliers.Count > 0)
{
foreach (var outlier in outliers)
{
ScatterSegment scatterSegment = new ScatterSegment();
var position = x1 + (x2 - x1) / 2;
scatterSegment.SetData(position, outlier);
scatterSegment.ScatterWidth = 10;
scatterSegment.ScatterHeight = 10;
scatterSegment.Item = ActualData[i];
scatterSegment.Series = this;
scatterSegment.CustomTemplate = OutlierTemplate;
// The bindings are done with the segment not with the series.
BindProperties(scatterSegment, currentSegment);
outlierSegments.Add(scatterSegment);
}
}
isEvenList = false;
}
foreach (ScatterSegment outlierSegment in outlierSegments)
{
this.Segments.Add(outlierSegment);
if (AdornmentsInfo != null)
{
var adornment = this.CreateAdornment(this, outlierSegment.XData, outlierSegment.YData, outlierSegment.XData, outlierSegment.YData);
adornment.ActualLabelPosition = topLabelPosition;
adornment.Item = outlierSegment.Item;
this.Adornments.Add(adornment);
}
}
}
