public override void Plot(bool animate = true)
{
var pChart = Chart as PieChart;
if (pChart == null) return;
if (pChart.PieTotalSum <= 0) return;
var rotated = 90d;
Chart.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var minDimension = Chart.PlotArea.Width < Chart.PlotArea.Height
? Chart.PlotArea.Width
: Chart.PlotArea.Height;
minDimension -= pChart.DrawPadding;
minDimension = minDimension < pChart.DrawPadding ? pChart.DrawPadding : minDimension;
var sliceId = 0;
var isFist = true;
foreach (var point in Values.Points)
{
var participation = point.Y/pChart.PieTotalSum;
if (isFist)
{
rotated = participation*-.5;
isFist = false;
}
var slice = new PieSlice
{
CentreX = 0,
CentreY = 0,
RotationAngle = 360*rotated,
WedgeAngle = 360*participation,
Radius = minDimension/2,
InnerRadius = pChart.InnerRadius,
Fill = Brushes != null && Brushes.Length > sliceId
? Brushes[sliceId]
: new SolidColorBrush(GetColorByIndex(sliceId)),
Stroke = Chart.Background,
StrokeThickness = pChart.SlicePadding
};
var wa = new DoubleAnimation
{
From = 0,
To = slice.WedgeAngle,
Duration = TimeSpan.FromMilliseconds(500)
};
var ra = new DoubleAnimation
{
From = 0,
To = slice.RotationAngle,
Duration = TimeSpan.FromMilliseconds(500)
};
Canvas.SetTop(slice, Chart.PlotArea.Height/2);
Canvas.SetLeft(slice, Chart.PlotArea.Width/2);
Chart.Canvas.Children.Add(slice);
Shapes.Add(slice);
var valueBlock = new TextBlock
{
Text = Chart.AxisY.LabelFormatter == null
? point.Y.ToString(CultureInfo.InvariantCulture)
: Chart.AxisY.LabelFormatter(point.Y),
FontFamily = Chart.AxisY.FontFamily,
FontSize = Chart.AxisY.FontSize,
FontStretch = Chart.AxisY.FontStretch,
FontStyle = Chart.AxisY.FontStyle,
FontWeight = Chart.AxisY.FontWeight,
Foreground = System.Windows.Media.Brushes.White
};
var hypo = ((minDimension/2) + (pChart.InnerRadius > 10 ? pChart.InnerRadius : 10))/2;
var gamma = participation*360/2 + rotated*360;
var cp = new Point(hypo*Math.Sin(gamma*(Math.PI/180)), hypo*Math.Cos(gamma*(Math.PI/180)));
valueBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetTop(valueBlock, Chart.PlotArea.Height/2 - cp.Y - valueBlock.DesiredSize.Height*.5);
Canvas.SetLeft(valueBlock, cp.X + Chart.PlotArea.Width/2 - valueBlock.DesiredSize.Width*.5);
Panel.SetZIndex(valueBlock, int.MaxValue - 1);
//because math is kind of complex to detetrmine if label fits inside the slide, by now we
//will just add it if participation > 5% ToDo: the math!
if (participation > .05 && Chart.AxisY.ShowLabels)
{
Chart.Canvas.Children.Add(valueBlock);
Chart.Shapes.Add(valueBlock);
}
if (!Chart.DisableAnimation)
{
if (animate)
{
slice.BeginAnimation(PieSlice.WedgeAngleProperty, wa);
slice.BeginAnimation(PieSlice.RotationAngleProperty, ra);
}
}
slice.MouseDown += Chart.DataMouseDown;
slice.MouseEnter += Chart.DataMouseEnter;
slice.MouseLeave += Chart.DataMouseLeave;
Chart.HoverableShapes.Add(new HoverableShape
{
Series = this,
Shape = slice,
Target = slice,
Value = point,
Label = Labels != null && Labels.Count > point.X ? Labels[(int) point.X] : ""
});
sliceId++;
rotated += participation;
}
}
private VisualHelper GetVisual(ChartPoint point)
{
var map = _isPrimitive
? Chart.ShapesMapper.FirstOrDefault(x => x.Series.Equals(this) &&
x.ChartPoint.Key == point.Key)
: Chart.ShapesMapper.FirstOrDefault(x => x.Series.Equals(this) &&
x.ChartPoint.Instance == point.Instance);
var pChart = Chart as PieChart;
if (pChart == null)
throw new InvalidCastException("Unexpected error converting chart to pie chart.");
if (map == null)
{
var newSlice = new PieSlice
{
Fill = Brushes != null && Brushes.Length > point.X
? Brushes[(int) point.X]
: new SolidColorBrush(GetColorByIndex((int) point.X)),
Stroke = Stroke,
StrokeThickness = pChart.SlicePadding,
CentreX = 0,
CentreY = 0,
InnerRadius = pChart.InnerRadius
};
return new VisualHelper
{
HoverShape = newSlice,
PointShape = newSlice,
IsNew = true
};
}
return new VisualHelper
{
PointShape = (PieSlice) map.Shape,
HoverShape = (PieSlice) map.HoverShape,
IsNew = false
};
}
public override void Plot(bool animate = true)
{
var pChart = Chart as PieChart;
if (pChart == null) return;
if (pChart.PieTotalSum <= 0) return;
var rotated = 0d;
Chart.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var minDimension = Chart.DesiredSize.Width < Chart.DesiredSize.Height
? Chart.DesiredSize.Width : Chart.DesiredSize.Height;
minDimension -= pChart.DrawPadding;
minDimension = minDimension < pChart.DrawPadding ? pChart.DrawPadding : minDimension;
var sliceId = 0;
for (var index = 0; index < PrimaryValues.Count; index++)
{
var value = PrimaryValues[index];
var participation = value/pChart.PieTotalSum;
if (index == 0) rotated = participation *-.5;
var slice = new PieSlice
{
CentreX = 0,
CentreY = 0,
RotationAngle = 360 * rotated,
WedgeAngle = 360 * participation,
Radius = minDimension / 2,
InnerRadius = pChart.InnerRadius,
Fill = new SolidColorBrush {Color = GetColorByIndex(sliceId), Opacity = .8},
Stroke = Chart.Background,
StrokeThickness = pChart.SlicePadding
};
var wa = new DoubleAnimation
{
From = 0,
To = slice.WedgeAngle,
Duration = TimeSpan.FromMilliseconds(300)
};
var ra = new DoubleAnimation
{
From = 0,
To = slice.RotationAngle,
Duration = TimeSpan.FromMilliseconds(300)
};
Canvas.SetTop(slice, Chart.ActualHeight/2);
Canvas.SetLeft(slice, Chart.ActualWidth/2);
Chart.Canvas.Children.Add(slice);
Shapes.Add(slice);
var valueBlock = new TextBlock
{
Text = Chart.PrimaryAxis.LabelFormatter == null
? value.ToString(CultureInfo.InvariantCulture)
: Chart.PrimaryAxis.LabelFormatter(value),
FontFamily = Chart.PrimaryAxis.FontFamily,
FontSize = Chart.PrimaryAxis.FontSize,
FontStretch = Chart.PrimaryAxis.FontStretch,
FontStyle = Chart.PrimaryAxis.FontStyle,
FontWeight = Chart.PrimaryAxis.FontWeight,
Foreground = Brushes.White
};
var hypo = ((minDimension/2) + (pChart.InnerRadius > 10 ? pChart.InnerRadius : 10))/2;
var gamma = participation*360/2 + rotated*360;
var cp = new Point(hypo*Math.Sin(gamma*(Math.PI/180)), hypo*Math.Cos(gamma*(Math.PI/180)));
valueBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetTop(valueBlock, Chart.ActualHeight/2 -cp.Y - valueBlock.DesiredSize.Height*.5);
Canvas.SetLeft(valueBlock, cp.X + Chart.ActualWidth/2 - valueBlock.DesiredSize.Width*.5);
Panel.SetZIndex(valueBlock, int.MaxValue);
//because math is kind of complex to detetrmine if label fits inside the slide, by now we
//will just add it if participation > 5% ToDo: the math!
if (participation > .05 && Chart.PrimaryAxis.PrintLabels)
{
Chart.Canvas.Children.Add(valueBlock);
Chart.AxisLabels.Add(valueBlock);
}
if (!Chart.DisableAnimation)
{
if (animate)
{
slice.BeginAnimation(PieSlice.WedgeAngleProperty, wa);
slice.BeginAnimation(PieSlice.RotationAngleProperty, ra);
}
}
if (Chart.Hoverable)
{
slice.MouseEnter += Chart.OnDataMouseEnter;
slice.MouseLeave += Chart.OnDataMouseLeave;
Chart.HoverableShapes.Add(new HoverableShape
{
Serie = this,
Shape = slice,
Target = slice,
Value = new Point(0, value),
Label = Labels.Length > index ? Labels[index] : ""
});
}
sliceId++;
rotated += participation;
}
}
public override void Plot(bool animate = true)
{
if (Visibility != Visibility.Visible) return;
var pChart = Chart as PieChart;
if (pChart == null) return;
if (pChart.PieTotalSum <= 0) return;
var rotated = 0d;
Chart.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var minDimension = Chart.PlotArea.Width < Chart.PlotArea.Height
? Chart.PlotArea.Width
: Chart.PlotArea.Height;
minDimension -= pChart.DrawPadding;
minDimension = minDimension < pChart.DrawPadding ? pChart.DrawPadding : minDimension;
var sliceId = 0;
var isFist = true;
var f = Chart.GetFormatter(Chart.AxisY);
var pie = (PieChart) Chart;
foreach (var point in Values.Points)
{
var participation = point.Y/pChart.PieTotalSum;
if (isFist)
{
rotated = participation*-.5 + (pie.PieRotation/360);
isFist = false;
}
var slice = new PieSlice
{
CentreX = 0,
CentreY = 0,
RotationAngle = 360*rotated,
WedgeAngle = 360*participation,
Radius = minDimension/2,
InnerRadius = pChart.InnerRadius,
Fill = Brushes != null && Brushes.Length > sliceId
? Brushes[sliceId]
: new SolidColorBrush(GetColorByIndex(sliceId)),
Stroke = Stroke,
StrokeThickness = pChart.SlicePadding
};
var wa = new DoubleAnimation
{
From = 0,
To = slice.WedgeAngle,
Duration = TimeSpan.FromMilliseconds(500)
};
var ra = new DoubleAnimation
{
From = 0,
To = slice.RotationAngle,
Duration = TimeSpan.FromMilliseconds(500)
};
Canvas.SetTop(slice, Chart.PlotArea.Height/2);
Canvas.SetLeft(slice, Chart.PlotArea.Width/2);
Chart.Canvas.Children.Add(slice);
Shapes.Add(slice);
if (DataLabels)
{
var valueBlock = BuildATextBlock(0);
valueBlock.Text = f(point.Y);
var hypo = ((minDimension / 2) + (pChart.InnerRadius > 10 ? pChart.InnerRadius : 10)) / 2;
var gamma = participation * 360 / 2 + rotated * 360;
var cp = new Point(hypo * Math.Sin(gamma * (Math.PI / 180)), hypo * Math.Cos(gamma * (Math.PI / 180)));
valueBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetTop(valueBlock, Chart.PlotArea.Height / 2 - cp.Y - valueBlock.DesiredSize.Height * .5);
Canvas.SetLeft(valueBlock, cp.X + Chart.PlotArea.Width / 2 - valueBlock.DesiredSize.Width * .5);
Panel.SetZIndex(valueBlock, int.MaxValue - 1);
//because math is kind of complex to detetrmine if label fits inside the slide, by now we
//will just add it if participation > 5% ToDo: the math!
if (participation > .05 && Chart.AxisY.ShowLabels)
{
Chart.Canvas.Children.Add(valueBlock);
Chart.Shapes.Add(valueBlock);
}
}
if (!Chart.DisableAnimation)
{
if (animate)
{
slice.BeginAnimation(PieSlice.WedgeAngleProperty, wa);
slice.BeginAnimation(PieSlice.RotationAngleProperty, ra);
}
}
slice.MouseDown += Chart.DataMouseDown;
slice.MouseEnter += Chart.DataMouseEnter;
slice.MouseLeave += Chart.DataMouseLeave;
Chart.ShapesMapper.Add(new ShapeMap
{
Series = this,
HoverShape = slice,
Shape = slice,
ChartPoint = point
});
sliceId++;
rotated += participation;
}
}
private VisualHelper GetVisual(ChartPoint point)
{
var map = _isPrimitive
? Chart.ShapesMapper.FirstOrDefault(x => x.Series.Equals(this) &&
x.ChartPoint.Key == point.Key)
: Chart.ShapesMapper.FirstOrDefault(x => x.Series.Equals(this) &&
x.ChartPoint.Instance == point.Instance);
var pChart = Chart as PieChart;
if (pChart == null)
throw new InvalidCastException("Unexpected error converting chart to pie chart.");
if (map == null)
{
var newSlice = new PieSlice
{
CentreX = 0,
CentreY = 0
};
BindingOperations.SetBinding(newSlice, Shape.StrokeProperty,
new Binding { Path = new PropertyPath("Stroke"), Source = this });
BindingOperations.SetBinding(newSlice, Shape.FillProperty,
new Binding { Path = new PropertyPath("Fill"), Source = this });
BindingOperations.SetBinding(newSlice, Shape.StrokeThicknessProperty,
new Binding { Path = new PropertyPath("StrokeThickness"), Source = this });
BindingOperations.SetBinding(newSlice, VisibilityProperty,
new Binding { Path = new PropertyPath("Visibility"), Source = this });
return new VisualHelper
{
HoverShape = newSlice,
PointShape = newSlice,
IsNew = true
};
}
map.ChartPoint.X = point.X;
map.ChartPoint.Y = point.Y;
return new VisualHelper
{
PointShape = (PieSlice) map.Shape,
HoverShape = (PieSlice) map.HoverShape,
IsNew = false
};
}
