/// <summary>
/// Updates the data point's visual representation.
/// </summary>
/// <param name="dataPoint">The data point.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double maximumDiameter = Math.Min(PlotAreaSize.Width, PlotAreaSize.Height) * MaximumBubbleSizeAsRatioOfSmallestDimension;
BubbleDataPoint bubbleDataPoint = (BubbleDataPoint)dataPoint;
double ratioOfLargestBubble =
(_rangeOfActualSizeValues.HasData && _rangeOfActualSizeValues.Maximum != 0.0 && bubbleDataPoint.ActualSize >= 0.0) ? Math.Abs(bubbleDataPoint.ActualSize) / _rangeOfActualSizeValues.Maximum : 0.0;
bubbleDataPoint.Width = ratioOfLargestBubble * maximumDiameter;
bubbleDataPoint.Height = ratioOfLargestBubble * maximumDiameter;
double left =
(ActualIndependentAxis.GetPlotAreaCoordinate(bubbleDataPoint.ActualIndependentValue)).Value
- (bubbleDataPoint.Width / 2.0);
double top =
(PlotAreaSize.Height
- (bubbleDataPoint.Height / 2.0))
- ActualDependentRangeAxis.GetPlotAreaCoordinate(bubbleDataPoint.ActualDependentValue).Value;
if (ValueHelper.CanGraph(left) && ValueHelper.CanGraph(top))
{
dataPoint.Visibility = Visibility.Visible;
Canvas.SetLeft(bubbleDataPoint, left);
Canvas.SetTop(bubbleDataPoint, top);
}
else
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// Returns the style to use for all data points.
/// </summary>
/// <returns>The style to use for all data points.</returns>
//protected override Style GetDataPointStyleFromHost()
//{
// return SeriesHost.NextStyle(typeof(CandlestickDataPoint), true);
//}
/// <summary>
/// This method updates a single data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
CandlestickDataPoint candlestickDataPoint = (CandlestickDataPoint)dataPoint;
double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value;
double dataPointX = ActualIndependentRangeAxis.GetPlotAreaCoordinate(dataPoint.ActualIndependentValue).Value;
double highPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(candlestickDataPoint.High)).Value;
double lowPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(candlestickDataPoint.Low)).Value;
double openPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(candlestickDataPoint.Open)).Value;
double closePointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(candlestickDataPoint.Close)).Value;
candlestickDataPoint.UpdateBody(ActualDependentRangeAxis);
if (ValueHelper.CanGraph(dataPointX))
{
dataPoint.Height = Math.Abs(highPointY - lowPointY);
dataPoint.Width = 5.0;
if (dataPoint.ActualWidth == 0.0 || dataPoint.ActualHeight == 0.0)
{
dataPoint.UpdateLayout();
}
Canvas.SetLeft(dataPoint,
Math.Round(dataPointX - (dataPoint.ActualWidth / 2)));
Canvas.SetTop(dataPoint,
Math.Round(PlotAreaHeight - highPointY));
}
}
protected override void UpdateDataPoint(DataPoint dataPoint)
{
BubbleDataPoint bubbleDataPoint = (BubbleDataPoint)dataPoint;
bubbleDataPoint.Width = 50;
double left =
(ActualIndependentAxis.GetPlotAreaCoordinate(bubbleDataPoint.ActualIndependentValue)).Value - bubbleDataPoint.Width / 2;
double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value;
double highPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ToDouble(bubbleDataPoint.ActualDependentValue)).Value;
double lowPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ToDouble(bubbleDataPoint.ActualDependentValue) - bubbleDataPoint.ActualSize).Value;
if (CanGraph(left) && CanGraph(PlotAreaHeight - highPointY))
{
dataPoint.Visibility = Visibility.Visible;
dataPoint.Height = Math.Abs(highPointY - lowPointY);
Canvas.SetLeft(bubbleDataPoint, left);
Canvas.SetTop(bubbleDataPoint, PlotAreaHeight - highPointY);
}
else
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// This method updates a single data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
double dataPointX = ActualIndependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToComparable(dataPoint.ActualIndependentValue));
double dataPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue));
if (ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(dataPointY))
{
// Set dimensions
if (!double.IsNaN(MarkerHeight))
{
dataPoint.Height = MarkerHeight;
}
if (!double.IsNaN(MarkerWidth))
{
dataPoint.Width = MarkerWidth;
}
// Call UpdateLayout to ensure ActualWidth/ActualHeight are correct
if (dataPoint.ActualWidth == 0.0 || dataPoint.ActualHeight == 0.0)
{
dataPoint.UpdateLayout();
}
// Set the Position
Canvas.SetLeft(
dataPoint,
Math.Round(dataPointX - (dataPoint.ActualWidth / 2)));
Canvas.SetTop(
dataPoint,
Math.Round(PlotAreaHeight - (dataPointY + (dataPoint.ActualHeight / 2))));
}
}
/// <summary>
/// Updates the point collection object.
/// </summary>
private void UpdatePointsCollection()
{
double maximum = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
if (ValueHelper.CanGraph(maximum))
{
IEnumerable <Point> points =
ActiveDataPoints
.OrderBy(dataPoint => dataPoint.IndependentValue)
.Select(dataPoint =>
new Point(
ActualIndependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.ActualIndependentValue),
maximum - ActualDependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.ActualDependentValue)));
if (!points.IsEmpty())
{
this.Points = new PointCollection();
foreach (Point point in points)
{
this.Points.Add(point);
}
}
else
{
this.Points = null;
}
}
}
/// <summary>
/// Updates each point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
if (SeriesHost == null || PlotArea == null)
{
return;
}
object category = dataPoint.ActualIndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
Range <UnitValue> coordinateRange = GetCategoryRange(category);
if (!coordinateRange.HasData)
{
return;
}
else if (coordinateRange.Maximum.Unit != Unit.Pixels || coordinateRange.Minimum.Unit != Unit.Pixels)
{
throw new InvalidOperationException(Properties.Resources.DataPointSeriesWithAxes_ThisSeriesDoesNotSupportRadialAxes);
}
double minimum = (double)coordinateRange.Minimum.Value;
double maximum = (double)coordinateRange.Maximum.Value;
IEnumerable <BarSeries> barSeries = SeriesHost.Series.OfType <BarSeries>().Where(series => series.ActualIndependentAxis == ActualIndependentAxis);
int numberOfSeries = barSeries.Count();
double coordinateRangeHeight = (maximum - minimum);
double segmentHeight = coordinateRangeHeight * 0.8;
double barHeight = segmentHeight / numberOfSeries;
int seriesIndex = barSeries.IndexOf(this);
double dataPointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue)).Value.Value;
double zeroPointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Origin).Value.Value;
double offset = seriesIndex * Math.Round(barHeight) + coordinateRangeHeight * 0.1;
double dataPointY = minimum + offset;
if (GetIsDataPointGrouped(category))
{
// Multiple DataPoints share this category; offset and overlap them appropriately
IGrouping <object, DataPoint> categoryGrouping = GetDataPointGroup(category);
int index = categoryGrouping.IndexOf(dataPoint);
dataPointY += (index * (barHeight * 0.2)) / (categoryGrouping.Count() - 1);
barHeight *= 0.8;
Canvas.SetZIndex(dataPoint, -index);
}
if (ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(dataPointY) && ValueHelper.CanGraph(zeroPointX))
{
double top = Math.Round(dataPointY);
double height = Math.Round(barHeight);
double left = Math.Round(Math.Min(dataPointX, zeroPointX) - 0.5);
double right = Math.Round(Math.Max(dataPointX, zeroPointX) - 0.5);
double width = right - left + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
}
/// <summary>
/// Updates the data point's visual representation.
/// </summary>
/// <param name="dataPoint">The data point.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double maximumDiameter = Math.Min(PlotAreaSize.Width, PlotAreaSize.Height) * MaximumBubbleSizeAsRatioOfSmallestDimension;
BubbleDataPoint bubbleDataPoint = (BubbleDataPoint)dataPoint;
double ratioOfLargestBubble =
(MaxOfDataPointActualSizeValues.HasValue && MaxOfDataPointActualSizeValues.Value != 0.0 && bubbleDataPoint.ActualSize >= 0.0) ? Math.Abs(bubbleDataPoint.ActualSize) / MaxOfDataPointActualSizeValues.Value : 0.0;
bubbleDataPoint.Width = ratioOfLargestBubble * maximumDiameter;
bubbleDataPoint.Height = ratioOfLargestBubble * maximumDiameter;
// Call UpdateLayout to ensure ActualWidth/ActualHeight are correct
if (bubbleDataPoint.ActualWidth == 0.0 || bubbleDataPoint.ActualHeight == 0.0)
{
bubbleDataPoint.UpdateLayout();
}
double left =
(ActualIndependentRangeAxis.GetPlotAreaCoordinate((IComparable)bubbleDataPoint.ActualIndependentValue))
- (bubbleDataPoint.Width / 2.0);
double top =
(PlotAreaSize.Height
- (bubbleDataPoint.Height / 2.0))
- ActualDependentRangeAxis.GetPlotAreaCoordinate((IComparable)bubbleDataPoint.ActualDependentValue);
if (ValueHelper.CanGraph(left) && ValueHelper.CanGraph(top))
{
Canvas.SetLeft(bubbleDataPoint, left);
Canvas.SetTop(bubbleDataPoint, top);
}
}
/// <summary>
/// This method updates a single data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
StockBarDataPoint candlestickDataPoint = (StockBarDataPoint)dataPoint;
Double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
Double dataPointX = ActualIndependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToComparable(dataPoint.ActualIndependentValue));
Double highPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.High);
Double lowPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Low);
Double openPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Open);
Double closePointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Close);
if (!singleBlockWidth.HasValue)
{
Range <Double> doubleRange = ActualIndependentRangeAxis.Range.ToDoubleRange();
Double rangeLength = doubleRange.Maximum - doubleRange.Minimum;
if (rangeLength > 0.0)
{
singleBlockWidth = PlotArea.Width * 1.0 / rangeLength;
if (singleBlockWidth < 4.0)
{
singleBlockWidth = 4.0;
}
}
else
{
singleBlockWidth = 4.0;
}
}
if (ValueHelper.CanGraph(dataPointX))
{
candlestickDataPoint.Background = new SolidColorBrush(Colors.Transparent);
dataPoint.Height = Math.Abs(highPointY - lowPointY);
dataPoint.Width = singleBlockWidth.Value * 0.8;
if (dataPoint.Width > 16.0)
{
dataPoint.Width = 16.0;
}
candlestickDataPoint.UpdateBody(ActualDependentRangeAxis);
//if (dataPoint.ActualWidth == 0.0 || dataPoint.ActualHeight == 0.0)
{
dataPoint.UpdateLayout();
}
Canvas.SetLeft(dataPoint, Math.Round(dataPointX - (dataPoint.ActualWidth / 2)));
Canvas.SetTop(dataPoint, Math.Round(PlotAreaHeight - highPointY));
}
}
/// <summary>
/// Updates each point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
if (SeriesHost == null || PlotArea == null)
{
return;
}
object category = dataPoint.IndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
Range <double> coordinateRange = ActualIndependentCategoryAxis.GetPlotAreaCoordinateRange(category);
if (!coordinateRange.HasData)
{
return;
}
double plotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
IEnumerable <ColumnSeries> columnSeries = SeriesHost.Series.OfType <ColumnSeries>().Where(series => series.ActualIndependentCategoryAxis == ActualIndependentCategoryAxis);
int numberOfSeries = columnSeries.Count();
double coordinateRangeWidth = (coordinateRange.Maximum - coordinateRange.Minimum);
double segmentWidth = coordinateRangeWidth * 0.8;
double columnWidth = segmentWidth / numberOfSeries;
int seriesIndex = columnSeries.IndexOf(this);
double dataPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue));
double zeroPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(0);
double offset = seriesIndex * Math.Round(columnWidth) + coordinateRangeWidth * 0.1;
double dataPointX = coordinateRange.Minimum + offset;
if (_categoriesWithMultipleDataPoints.ContainsKey(category))
{
// Multiple DataPoints share this category; offset and overlap them appropriately
IGrouping <object, DataPoint> categoryGrouping = _categoriesWithMultipleDataPoints[category];
int index = categoryGrouping.IndexOf(dataPoint);
dataPointX += (index * (columnWidth * 0.2)) / (categoryGrouping.Count() - 1);
columnWidth *= 0.8;
Canvas.SetZIndex(dataPoint, -index);
}
if (!double.IsNaN(dataPointY) && !double.IsNaN(dataPointX) && !double.IsNaN(zeroPointY))
{
double left = Math.Round(dataPointX);
double width = Math.Round(columnWidth);
double top = Math.Round(plotAreaHeight - Math.Max(dataPointY, zeroPointY) + 0.5);
double bottom = Math.Round(plotAreaHeight - Math.Min(dataPointY, zeroPointY) + 0.5);
double height = bottom - top + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
}
/// <summary>
/// Updates each point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
if (SeriesHost == null || PlotArea == null)
{
return;
}
object category = dataPoint.IndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
Range <double> coordinateRange = ActualIndependentCategoryAxis.GetPlotAreaCoordinateRange(category);
if (!coordinateRange.HasData)
{
return;
}
IEnumerable <BarSeries> barSeries = SeriesHost.Series.OfType <BarSeries>().Where(series => series.ActualIndependentCategoryAxis == ActualIndependentCategoryAxis);
int numberOfSeries = barSeries.Count();
double coordinateRangeHeight = (coordinateRange.Maximum - coordinateRange.Minimum);
double segmentHeight = coordinateRangeHeight * 0.8;
double barHeight = segmentHeight / numberOfSeries;
int seriesIndex = barSeries.IndexOf(this);
double dataPointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue));
double zeroPointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(0);
double offset = seriesIndex * Math.Round(barHeight) + coordinateRangeHeight * 0.1;
double dataPointY = coordinateRange.Minimum + offset;
if (_categoriesWithMultipleDataPoints.ContainsKey(category))
{
// Multiple DataPoints share this category; offset and overlap them appropriately
IGrouping <object, DataPoint> categoryGrouping = _categoriesWithMultipleDataPoints[category];
int index = categoryGrouping.IndexOf(dataPoint);
dataPointY += (index * (barHeight * 0.2)) / (categoryGrouping.Count() - 1);
barHeight *= 0.8;
Canvas.SetZIndex(dataPoint, -index);
}
if (ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(dataPointY) && ValueHelper.CanGraph(zeroPointX))
{
double top = Math.Round(dataPointY);
double height = Math.Round(barHeight);
double left = Math.Round(Math.Min(dataPointX, zeroPointX) - 0.5);
double right = Math.Round(Math.Max(dataPointX, zeroPointX) - 0.5);
double width = right - left + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
}
/// <summary>
/// This method updates a single data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
CandlestickDataPoint candlestickDataPoint = (CandlestickDataPoint)dataPoint;
FrameworkElement fe = ActualIndependentRangeAxis as FrameworkElement;
if (fe != null)
{
if (fe.ActualWidth == 0.0)
{
return;
}
}
if (!axesHasBeenUpdated)
{
return;
}
double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
double dataPointX = ActualIndependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToComparable(dataPoint.ActualIndependentValue));
double highPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.High);
double lowPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Low);
double openPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Open);
double closePointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(candlestickDataPoint.Close);
if (closePointY > openPointY)
{
candlestickDataPoint.Background = positiveBrush;
}
else
{
candlestickDataPoint.Background = negativeBrush;
}
candlestickDataPoint.UpdateBody(ActualDependentRangeAxis);
if (ValueHelper.CanGraph(dataPointX))
{
dataPoint.Height = Math.Abs(highPointY - lowPointY);
dataPoint.Width = 5.0;
dataPoint.UpdateLayout();
Canvas.SetLeft(dataPoint,
Math.Round(dataPointX - (dataPoint.ActualWidth / 2)));
Canvas.SetTop(dataPoint,
Math.Round(PlotAreaHeight - highPointY));
}
}
/// <summary>
/// This method updates a single data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double PlotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value.Value;
double dataPointX = ActualIndependentAxis.GetPlotAreaCoordinate(dataPoint.ActualIndependentValue).Value.Value;
double dataPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(dataPoint.ActualDependentValue).Value.Value;
if (ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(dataPointY))
{
// Set the Position
Canvas.SetLeft(
dataPoint,
Math.Round(dataPointX - (dataPoint.ActualWidth / 2)));
Canvas.SetTop(
dataPoint,
Math.Round(PlotAreaHeight - (dataPointY + (dataPoint.ActualHeight / 2))));
}
}
/// <summary>
/// Updates the Series shape object from a collection of Points.
/// </summary>
/// <param name="points">Collection of Points.</param>
protected override void UpdateShapeFromPoints(IEnumerable <Point> points)
{
UnitValue originCoordinate = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Origin);
UnitValue maximumCoordinate =
ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
if (points.Any() && ValueHelper.CanGraph(originCoordinate.Value) &&
ValueHelper.CanGraph(maximumCoordinate.Value))
{
double originY = Math.Floor(originCoordinate.Value);
var figure = new PathFigure();
figure.IsClosed = true;
figure.IsFilled = true;
double maximum = maximumCoordinate.Value;
Point startPoint;
IEnumerator <Point> pointEnumerator = points.GetEnumerator();
pointEnumerator.MoveNext();
startPoint = new Point(pointEnumerator.Current.X, maximum - originY);
figure.StartPoint = startPoint;
Point lastPoint;
do
{
lastPoint = pointEnumerator.Current;
figure.Segments.Add(new LineSegment {
Point = pointEnumerator.Current
});
} while (pointEnumerator.MoveNext());
figure.Segments.Add(new LineSegment {
Point = new Point(lastPoint.X, maximum - originY)
});
if (figure.Segments.Count > 1)
{
var geometry = new PathGeometry();
geometry.Figures.Add(figure);
Geometry = geometry;
}
}
else
{
Geometry = null;
}
}
/// <summary>
/// Overrides the requested axis range to include the width and height
/// necessary for the bubbles.
/// </summary>
/// <param name="rangeAxis">The range axis.</param>
/// <param name="range">The data range.</param>
/// <returns>The requested axis range.</returns>
protected override Range <IComparable> OverrideRequestedAxisRange(IRangeAxis rangeAxis, Range <IComparable> range)
{
if (ActiveDataPoints.Any())
{
if (rangeAxis == ActualIndependentRangeAxis)
{
double smallestXCoordinate =
ActiveDataPoints
.Select(dataPoint =>
ActualIndependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.IndependentValue) - dataPoint.ActualWidth)
.Min();
double largestXCoordinate =
ActiveDataPoints
.Select(dataPoint =>
ActualIndependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.IndependentValue) + dataPoint.ActualWidth)
.Max();
return(new Range <IComparable>(
ActualIndependentRangeAxis.GetPlotAreaCoordinateValueRange(smallestXCoordinate).Minimum,
ActualIndependentRangeAxis.GetPlotAreaCoordinateValueRange(largestXCoordinate).Maximum));
}
else if (rangeAxis == ActualDependentRangeAxis)
{
double smallestYCoordinate =
ActiveDataPoints
.Select(dataPoint =>
ActualDependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.DependentValue) - dataPoint.ActualHeight)
.Min();
double largestYCoordinate =
ActiveDataPoints
.Select(dataPoint =>
ActualDependentRangeAxis.GetPlotAreaCoordinate((IComparable)dataPoint.DependentValue) + dataPoint.ActualHeight)
.Max();
return(new Range <IComparable>(
ActualDependentRangeAxis.GetPlotAreaCoordinateValueRange(smallestYCoordinate).Minimum,
ActualDependentRangeAxis.GetPlotAreaCoordinateValueRange(largestYCoordinate).Maximum));
}
}
return(new Range <IComparable>());
}
/// <summary>
/// Updates the visual representation of the data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double maximum = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum);
if (ValueHelper.CanGraph(maximum))
{
double x = ActualIndependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToComparable(dataPoint.ActualIndependentValue));
double y = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue));
if (ValueHelper.CanGraph(x) && ValueHelper.CanGraph(y))
{
if (!double.IsNaN(MarkerHeight))
{
dataPoint.Height = MarkerHeight;
}
if (!double.IsNaN(MarkerWidth))
{
dataPoint.Width = MarkerWidth;
}
// Call UpdateLayout to ensure ActualWidth/ActualHeight are correct
if (dataPoint.ActualWidth == 0.0 || dataPoint.ActualHeight == 0.0)
{
dataPoint.UpdateLayout();
}
double coordinateY = Math.Round(maximum - (y + (dataPoint.ActualHeight / 2)));
Canvas.SetTop(dataPoint, coordinateY);
double coordinateX = Math.Round(x - (dataPoint.ActualWidth / 2));
Canvas.SetLeft(dataPoint, coordinateX);
}
if (!UpdatingAllDataPoints)
{
UpdatePointsCollection();
}
}
}
/// <summary>
/// Updates the point collection object.
/// </summary>
protected override void UpdateShape()
{
double maximum = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value.Value;
Func <DataPoint, Point> createPoint =
dataPoint =>
new Point(
ActualIndependentAxis.GetPlotAreaCoordinate(dataPoint.ActualIndependentValue).Value.Value,
maximum - ActualDependentRangeAxis.GetPlotAreaCoordinate(dataPoint.ActualDependentValue).Value.Value);
IEnumerable <Point> points = null;
if (ValueHelper.CanGraph(maximum))
{
if (ActualIndependentAxis is IRangeAxis)
{
points = DataPointsByIndependentValue.Select(createPoint);
}
else
{
points =
ActiveDataPoints
.Select(createPoint)
.OrderBy(point => point.X);
}
if (!points.IsEmpty())
{
this.Points = new PointCollection();
foreach (Point point in points)
{
this.Points.Add(point);
}
return;
}
}
this.Points = null;
}
/// <summary>
/// Updates the visual representation of the data point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
double maximum = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value.Value;
if (ValueHelper.CanGraph(maximum))
{
double x = ActualIndependentAxis.GetPlotAreaCoordinate(dataPoint.ActualIndependentValue).Value.Value;
double y = ActualDependentRangeAxis.GetPlotAreaCoordinate(dataPoint.ActualDependentValue).Value.Value;
if (ValueHelper.CanGraph(x) && ValueHelper.CanGraph(y))
{
double coordinateY = Math.Round(maximum - (y + (dataPoint.ActualHeight / 2)));
Canvas.SetTop(dataPoint, coordinateY);
double coordinateX = Math.Round(x - (dataPoint.ActualWidth / 2));
Canvas.SetLeft(dataPoint, coordinateX);
}
}
if (!UpdatingDataPoints)
{
UpdateShape();
}
}
protected override void UpdateDataPoint(DataPoint dataPoint)
{
if (SeriesHost == null || PlotArea == null)
{
return;
}
object category = dataPoint.IndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
Range <UnitValue> coordinateRange = GetCategoryRange(category);
if (!coordinateRange.HasData)
{
return;
}
else if (coordinateRange.Maximum.Unit != Unit.Pixels || coordinateRange.Minimum.Unit != Unit.Pixels)
{
throw new InvalidOperationException("This Series Does Not Support Radial Axes");
}
double minimum = (double)coordinateRange.Minimum.Value;
double maximum = (double)coordinateRange.Maximum.Value;
double plotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value.Value;
IEnumerable <StackedColumnSeries> columnSeries = SeriesHost.Series.OfType <StackedColumnSeries>().Where(series => series.ActualIndependentAxis == ActualIndependentAxis);
int numberOfSeries = columnSeries.Count();
double coordinateRangeWidth = (maximum - minimum);
double segmentWidth = coordinateRangeWidth * 0.8;
double columnWidth = segmentWidth; // / numberOfSeries;
int seriesIndex = columnSeries.IndexOf(this);
double dataPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue)).Value.Value;
double zeroPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Origin).Value.Value;
// Need to shift the columns up to take account of the other columns that are already rendered, to make them
// appear stacked
int dataPointIndex = ActiveDataPoints.IndexOf(dataPoint);
for (int i = numberOfSeries - 1; i > seriesIndex; i--)
{
StackedColumnSeries prevSeries = columnSeries.ElementAt <StackedColumnSeries>(i);
if (prevSeries.ActiveDataPointCount >= dataPointIndex + 1)
{
DataPoint currDataPoint = prevSeries.ActiveDataPoints.ElementAt <DataPoint>(dataPointIndex);
// Need to move positive columns up and negative ones down
if ((double)dataPoint.ActualDependentValue > 0 && (double)currDataPoint.ActualDependentValue > 0)
{
dataPointY += currDataPoint.Height;
zeroPointY += currDataPoint.Height;
}
else if ((double)dataPoint.ActualDependentValue < 0 && (double)currDataPoint.ActualDependentValue < 0)
{
dataPointY -= currDataPoint.Height;
zeroPointY -= currDataPoint.Height;
}
}
}
double offset = 0;
double dataPointX = minimum + offset;
if (GetIsDataPointGrouped(category))
{
IGrouping <object, DataPoint> categoryGrouping = GetDataPointGroup(category);
int index = categoryGrouping.IndexOf(dataPoint);
dataPointX += (index * (columnWidth * 0.2)) / (categoryGrouping.Count() - 1);
columnWidth *= 0.8;
Canvas.SetZIndex(dataPoint, -index);
}
if (ValueHelper.CanGraph(dataPointY) && ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(zeroPointY))
{
double left = Math.Round(dataPointX);
double width = Math.Round(columnWidth);
double top = Math.Round(plotAreaHeight - Math.Max(dataPointY, zeroPointY) + 0.5);
double bottom = Math.Round(plotAreaHeight - Math.Min(dataPointY, zeroPointY) + 0.5);
double height = bottom - top + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
}
/// <summary>
/// Updates the placement of the DataItems (data points) of the series.
/// </summary>
/// <param name="dataItems">DataItems in need of an update.</param>
protected override void UpdateDataItemPlacement(IEnumerable <DefinitionSeries.DataItem> dataItems)
{
if ((null != ActualDependentAxis) && (null != ActualIndependentAxis))
{
double plotAreaMaximumDependentCoordinate = ActualDependentAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value;
double lineTopBuffer = 1;
List <Point>[] points = new List <Point> [SeriesDefinitions.Count];
for (int i = 0; i < points.Length; i++)
{
points[i] = new List <Point>();
}
foreach (IndependentValueGroup group in IndependentValueGroupsOrderedByIndependentValue)
{
double sum = IsStacked100 ?
group.DataItems.Sum(di => Math.Abs(ValueHelper.ToDouble(di.DataPoint.ActualDependentValue))) :
1;
if (0 == sum)
{
sum = 1;
}
double x = ActualIndependentAxis.GetPlotAreaCoordinate(group.IndependentValue).Value;
if (ValueHelper.CanGraph(x))
{
double lastValue = 0;
Point lastPoint = new Point(x, Math.Max(plotAreaMaximumDependentCoordinate - ActualDependentRangeAxis.GetPlotAreaCoordinate(lastValue).Value, lineTopBuffer));
int i = -1;
SeriesDefinition lastDefinition = null;
foreach (DataItem dataItem in group.DataItems)
{
if (lastDefinition != dataItem.SeriesDefinition)
{
i++;
}
while (dataItem.SeriesDefinition != SeriesDefinitions[i])
{
points[i].Add(lastPoint);
i++;
}
DataPoint dataPoint = dataItem.DataPoint;
double value = IsStacked100 ?
(ValueHelper.ToDouble(dataItem.DataPoint.ActualDependentValue) * (100 / sum)) :
ValueHelper.ToDouble(dataItem.DataPoint.ActualDependentValue);
if (ValueHelper.CanGraph(value))
{
value += lastValue;
dataItem.ActualStackedDependentValue = value;
double y = ActualDependentRangeAxis.GetPlotAreaCoordinate(value).Value;
lastValue = value;
lastPoint.Y = Math.Max(plotAreaMaximumDependentCoordinate - y, lineTopBuffer);
points[i].Add(lastPoint);
dataItem.CenterPoint = new Point(x, plotAreaMaximumDependentCoordinate - y);
double left = dataItem.CenterPoint.X - (dataPoint.ActualWidth / 2);
double top = dataItem.CenterPoint.Y - (dataPoint.ActualHeight / 2);
Canvas.SetLeft(dataItem.Container, Math.Round(left));
Canvas.SetTop(dataItem.Container, Math.Round(top));
dataPoint.Visibility = Visibility.Visible;
}
else
{
points[i].Add(lastPoint);
dataPoint.Visibility = Visibility.Collapsed;
}
lastDefinition = dataItem.SeriesDefinition;
}
}
else
{
foreach (DataPoint dataPoint in group.DataItems.Select(di => di.DataPoint))
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
}
UpdateShape(points);
}
}
/// <summary>
/// Updates each point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
TimeIntervalDataPoint intervalDataPoint = (TimeIntervalDataPoint)dataPoint;
if (SeriesHost == null)
{
return;
}
//object category = dataPoint.ActualIndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
//Range<UnitValue> coordinateRange = GetCategoryRange(category);
/*if (!coordinateRange.HasData)
* {
* return;
* }
* else if (coordinateRange.Maximum.Unit != Unit.Pixels || coordinateRange.Minimum.Unit != Unit.Pixels)
* {
* throw new InvalidOperationException();
* }
*
* double minimum = (double)coordinateRange.Minimum.Value;
* double maximum = (double)coordinateRange.Maximum.Value;*/
// we'll just ignore the category axis and position the intervals where we want
IEnumerable <TimeIntervalSeries> barSeries = SeriesHost.Series.OfType <TimeIntervalSeries>().Where(series => series.ActualIndependentAxis == ActualIndependentAxis);
int numberOfSeries = barSeries.Count();
double coordinateRangeHeight = 10.0;
double segmentHeight = coordinateRangeHeight * 0.8;
//double barHeight = segmentHeight / numberOfSeries;
int seriesIndex = barSeries.IndexOf(this);
double startTimePointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(intervalDataPoint.StartTime).Value;
double endTimePointX = ActualDependentRangeAxis.GetPlotAreaCoordinate(intervalDataPoint.EndTime).Value;
double offset = /*seriesIndex * Math.Round(barHeight) +*/ coordinateRangeHeight * 0.1;
CategoryAxis categoryAxis = ActualIndependentAxis as CategoryAxis;
double dataPointY = categoryAxis.ActualHeight - 10.0 * numberOfSeries + seriesIndex * 10 + offset;
/*if (GetIsDataPointGrouped(category))
* {
* // Multiple DataPoints share this category; offset and overlap them appropriately
* IGrouping<object, DataPoint> categoryGrouping = GetDataPointGroup(category);
* int index = categoryGrouping.IndexOf(dataPoint);
* dataPointY += (index * (barHeight * 0.2)) / (categoryGrouping.Count() - 1);
* barHeight *= 0.8;
* Canvas.SetZIndex(dataPoint, -index);
* }*/
if (ValueHelper.CanGraph(startTimePointX) && ValueHelper.CanGraph(endTimePointX) && ValueHelper.CanGraph(dataPointY))
{
dataPoint.Visibility = Visibility.Visible;
double top = Math.Round(dataPointY);
double height = Math.Round(segmentHeight);
double left = Math.Round(Math.Min(startTimePointX, endTimePointX) - 0.5);
double right = Math.Round(Math.Max(startTimePointX, endTimePointX) - 0.5);
double width = right - left + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
else
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// Updates each point.
/// </summary>
/// <param name="dataPoint">The data point to update.</param>
protected override void UpdateDataPoint(DataPoint dataPoint)
{
if (SeriesHost == null || PlotArea == null)
{
return;
}
object category = dataPoint.ActualIndependentValue ?? (this.ActiveDataPoints.IndexOf(dataPoint) + 1);
Range <UnitValue> coordinateRange = GetCategoryRange(category);
if (!coordinateRange.HasData)
{
return;
}
else if (coordinateRange.Maximum.Unit != Unit.Pixels || coordinateRange.Minimum.Unit != Unit.Pixels)
{
throw new InvalidOperationException(Properties.Resources.DataPointSeriesWithAxes_ThisSeriesDoesNotSupportRadialAxes);
}
double minimum = (double)coordinateRange.Minimum.Value;
double maximum = (double)coordinateRange.Maximum.Value;
double plotAreaHeight = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value;
IEnumerable <ColumnSeries> columnSeries = SeriesHost.Series.OfType <ColumnSeries>().Where(series => series.ActualIndependentAxis == ActualIndependentAxis);
int numberOfSeries = columnSeries.Count();
double coordinateRangeWidth = (maximum - minimum);
double segmentWidth = coordinateRangeWidth * (1 - ColumnGapRatio);
double columnWidth = segmentWidth / numberOfSeries;
int seriesIndex = columnSeries.IndexOf(this);
double dataPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ValueHelper.ToDouble(dataPoint.ActualDependentValue)).Value;
double zeroPointY = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Origin).Value;
double gap = (columnWidth * ColumnGapRatio);
double offset = seriesIndex * Math.Round(columnWidth) + gap; // + coordinateRangeWidth;
double dataPointX = minimum + offset;
if (GetIsDataPointGrouped(category))
{
// Multiple DataPoints share this category; offset and overlap them appropriately
IGrouping <object, DataPoint> categoryGrouping = GetDataPointGroup(category);
int index = categoryGrouping.IndexOf(dataPoint);
dataPointX += (index * gap) / (categoryGrouping.Count() - 1);
columnWidth *= 0.8;
Canvas.SetZIndex(dataPoint, -index);
}
if (ValueHelper.CanGraph(dataPointY) && ValueHelper.CanGraph(dataPointX) && ValueHelper.CanGraph(zeroPointY))
{
dataPoint.Visibility = Visibility.Visible;
double left = Math.Round(dataPointX);
double width = Math.Round(columnWidth);
double top = Math.Round(plotAreaHeight - Math.Max(dataPointY, zeroPointY) + 0.5);
double bottom = Math.Round(plotAreaHeight - Math.Min(dataPointY, zeroPointY) + 0.5);
double height = bottom - top + 1;
Canvas.SetLeft(dataPoint, left);
Canvas.SetTop(dataPoint, top);
dataPoint.Width = width;
dataPoint.Height = height;
}
else
{
dataPoint.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// Updates the point collection object.
/// </summary>
protected override void UpdateShape()
{
double maximum = ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Range.Maximum).Value.Value;
Func <DataPoint, Point> createPoint =
dataPoint =>
new Point(
ActualIndependentAxis.GetPlotAreaCoordinate(dataPoint.ActualIndependentValue).Value.Value,
maximum - ActualDependentRangeAxis.GetPlotAreaCoordinate(dataPoint.ActualDependentValue).Value.Value);
IEnumerable <Point> points = null;
if (ValueHelper.CanGraph(maximum))
{
if (ActualIndependentAxis is IRangeAxis)
{
points = this.DataPointsByIndependentValue.Select(createPoint);
}
else
{
points =
ActiveDataPoints
.Select(createPoint)
.OrderBy(point => point.X);
}
if (!points.IsEmpty())
{
double originY = Math.Floor(ActualDependentRangeAxis.GetPlotAreaCoordinate(ActualDependentRangeAxis.Origin).Value.Value);
PathFigure figure = new PathFigure();
figure.IsClosed = true;
figure.IsFilled = true;
Point startPoint;
IEnumerator <Point> pointEnumerator = points.GetEnumerator();
if (pointEnumerator.MoveNext())
{
startPoint = new Point(pointEnumerator.Current.X, maximum - originY);
figure.StartPoint = startPoint;
}
else
{
this.Geometry = null;
return;
}
Point lastPoint;
do
{
lastPoint = pointEnumerator.Current;
figure.Segments.Add(new LineSegment {
Point = pointEnumerator.Current
});
}while (pointEnumerator.MoveNext());
figure.Segments.Add(new LineSegment {
Point = new Point(lastPoint.X, maximum - originY)
});
if (figure.Segments.Count > 1)
{
PathGeometry geometry = new PathGeometry();
geometry.Figures.Add(figure);
this.Geometry = geometry;
return;
}
}
}
this.Geometry = null;
}
