protected override void OnRender(DrawingContext drawingContext)
{
if (FilteredData.Count < 1)
{
base.OnRender(drawingContext);
return;
}
visualContext = new LineGraphVisualContext();
_bars.Children.Clear();
_barLabels.Children.Clear();
_lineVisual.Children.Clear();
_xAxisGrid.Children.Clear();
//_highlightGrid.Children.Clear();
var max = FilteredData.MaxValue();
var context = new ProviderContext(FilteredData.Count);
var barAvailableWidth = (_bars.RenderSize.Width) / FilteredData.Count;
MaterialProvider.Reset(context);
MaterialProvider.Reset(context);
var total = FilteredData.SumValue();
var availableLineGraphSize = new Size(_bars.ActualWidth - (DotRadius * 2),
_bars.ActualHeight - (DotRadius * 2));
var startX = (barAvailableWidth / 2) - DotRadius;
var verticalpttrace = 0d;
var pttrace = 0;
var pathSegments = new PathSegmentCollection();
var pathFigure = new PathFigure
{
Segments = pathSegments
};
MaterialProvider.Reset(context);
var isFirstPoint = true;
foreach (var d in FilteredData)
{
var material = MaterialProvider.ProvideNext(context);
var nextPoint = new Point(startX + (barAvailableWidth * pttrace), verticalpttrace + 0);
var baseAnimationPoint = new Point(nextPoint.X, 0).LocalizeInCartesianSpace(_lineVisual);
var actualNextPoint = nextPoint.LocalizeInCartesianSpace(_lineVisual);
// TODO get rid of this
var plottedPoint = IsLoaded ? actualNextPoint : baseAnimationPoint;
if (isFirstPoint)
{
visualContext.PolyLineStartPointAnimationAspect = new AnimationAspect <Point, PathFigure, PointAnimation>(
pathFigure, PathFigure.StartPointProperty, baseAnimationPoint, actualNextPoint, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800),
};
isFirstPoint = false;
}
else
{
var lineSegment = new LineSegment(plottedPoint, true)
{
IsSmoothJoin = true
};
pathSegments.Add(lineSegment);
visualContext.LineSegmentVisuals.Add(new LineGraphLineSegmentVisualContext
{
PointAnimationAspect =
new AnimationAspect <Point, LineSegment, PointAnimation>(lineSegment, LineSegment.PointProperty,
baseAnimationPoint, actualNextPoint, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800)
}
});
}
var beginDotMargin = new Thickness(nextPoint.X, 0, 0, 0);
var actualDotMargin = new Thickness(nextPoint.X, 0, 0, nextPoint.Y);
var dot = new Ellipse
{
Width = (DotRadius * 2),
Height = (DotRadius * 2),
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Fill = DotFill.GetMaterial(material),
Stroke = DotStroke.GetMaterial(material),
};
BindingOperations.SetBinding(dot, Shape.StrokeThicknessProperty, new Binding("DotStrokeThickness")
{
Source = this
});
//currentCategoryVisualContext.DotMarginAnimationAspect =
// new AnimationAspect<Thickness, Ellipse, ThicknessAnimation>(dot, MarginProperty,
// beginDotMargin, actualDotMargin, animationState)
// {
// AccelerationRatio = AnimationParameters.AccelerationRatio,
// DecelerationRatio = AnimationParameters.DecelerationRatio,
// Duration = TimeSpan.FromMilliseconds(800)
// };
_lineVisual.Children.Add(dot);
Panel.SetZIndex(dot, 50);
verticalpttrace += d.Value.Map(0, total, 0, availableLineGraphSize.Height);
pttrace++;
}
var path = new Path
{
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Data = new PathGeometry
{
Figures = new PathFigureCollection
{
pathFigure
}
},
Margin = new Thickness(DotRadius, 0, 0, 0 + DotRadius),
Stroke = LineStroke.GetMaterial(FallbackMaterialSet),
};
BindingOperations.SetBinding(path, Shape.StrokeThicknessProperty, new Binding("LineStrokeThickness")
{
Source = this
});
_lineVisual.Children.Add(path);
base.OnRender(drawingContext);
}
protected override void OnRender(DrawingContext drawingContext)
{
//TODO potential rendering loop.
if (FilteredData.Count < 1)
{
FilteredData = DataFilter.Filter(DataSorter.Sort(Data));
base.OnRender(drawingContext);
return;
}
visualContext = new ParetoChartVisualContext();
PART_bars.Children.Clear();
PART_barlabels.Children.Clear();
PART_line.Children.Clear();
PART_xaxis.Children.Clear();
//_highlightGrid.Children.Clear();
var max = FilteredData.MaxValue();
var context = new ProviderContext(FilteredData.Count);
var barAvailableWidth = (PART_bars.RenderSize.Width) / FilteredData.Count;
var barActiveWidth = barAvailableWidth * SegmentWidthPercentage;
var barLeftSpacing = (barAvailableWidth - barActiveWidth) / 2;
var barLabelSize = RenderingExtensions.EstimateLabelRenderSize(BarTotalFontFamily, BarTotalFontSize);
MaterialProvider.Reset(context);
#region X-Axis Label Generation
var xtrace = 0;
foreach (var d in FilteredData)
{
var material = MaterialProvider.ProvideNext(context);
var categoryVisualContext = new ParetoChartCategoryVisualContext();
var axisLabel = new Label
{
Content = d.CategoryName,
IsHitTestVisible = false,
HorizontalContentAlignment = HorizontalAlignment.Center,
VerticalContentAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom,
Width = barAvailableWidth,
Margin = new Thickness(barAvailableWidth * xtrace, 0, 0, 0),
DataContext = this,
Foreground = XAxisForeground.GetMaterial(material)
};
axisLabel.BindTextualPrimitive <XAxisPrimitive>(this);
categoryVisualContext.AxisLabel = axisLabel;
PART_xaxis.Children.Add(axisLabel);
visualContext.CategoryVisuals.Add(categoryVisualContext);
xtrace++;
}
#endregion
MaterialProvider.Reset(context);
var horizontalTrace = 0d;
var xAxisHeight = barLabelSize.Height; //_xAxisGrid.ActualHeight;
var backHeight = PART_bars.RenderSize.Height - xAxisHeight;
var trace = 0;
foreach (var d in FilteredData)
{
var currentCategoryVisualContext = visualContext.CategoryVisuals[trace];
currentCategoryVisualContext.CategoryDataPoint = d;
//if (barActiveWidth <= 0 || backHeight <= 0) return; //TODO fix
var material = MaterialProvider.ProvideNext(context);
currentCategoryVisualContext.CategoryMaterialSet = material;
var backRectangle = new Rectangle
{
Width = barActiveWidth,
Height = Math.Abs(backHeight),
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Fill = SegmentSpaceBackground.GetMaterial(material),
Margin = new Thickness(horizontalTrace + barLeftSpacing, 0, 0, xAxisHeight)
};
currentCategoryVisualContext.InactiveBarVisual = backRectangle;
PART_bars.Children.Add(backRectangle);
var height = d.Value.Map(0, max, 0, PART_bars.RenderSize.Height - xAxisHeight - barLabelSize.Height);
var rectangle = new Rectangle
{
Width = barActiveWidth,
Height = Math.Abs(height),
Fill = SegmentForeground.GetMaterial(material),
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Margin = new Thickness(horizontalTrace + barLeftSpacing, 0, 0, xAxisHeight),
RenderTransform = new ScaleTransform(1, 0, .5, 1),
RenderTransformOrigin = new Point(.5, 1)
};
currentCategoryVisualContext.ActiveBarRenderTransformScaleYAnimationAspect =
new AnimationAspect <double, Transform, DoubleAnimation>(rectangle.RenderTransform,
ScaleTransform.ScaleYProperty, 0, 1, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800)
};
//TODO replace .RenderedVisual pairing method completely
d.RenderedVisual = rectangle;
PART_bars.Children.Add(rectangle);
#region Bar Value Label Generation
var beginBarLabelMargin = new Thickness(horizontalTrace, 0, 0, xAxisHeight);
var actualBarLabelMargin = new Thickness(horizontalTrace, 0, 0, xAxisHeight + height);
var barLabel = new Label
{
Content = d.Value,
IsHitTestVisible = false,
HorizontalContentAlignment = HorizontalAlignment.Center,
VerticalContentAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom,
Width = barAvailableWidth,
Foreground = BarTotalForeground.GetMaterial(material)
};
barLabel.BindTextualPrimitive <BarTotalPrimitive>(this);
currentCategoryVisualContext.BarLabelMarginAnimationAspect = new AnimationAspect
<Thickness, Label, ThicknessAnimation>(
barLabel, MarginProperty, beginBarLabelMargin, actualBarLabelMargin, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800)
};
#endregion
PART_barlabels.Children.Add(barLabel);
horizontalTrace += barAvailableWidth;
trace++;
}
var total = FilteredData.SumValue();
var availableLineGraphSize = new Size(PART_bars.ActualWidth - (DotRadius * 2),
PART_bars.ActualHeight - (DotRadius * 2) - xAxisHeight);
var startX = (barAvailableWidth / 2) - DotRadius;
var verticalpttrace = 0d;
var pttrace = 0;
var pathSegments = new PathSegmentCollection();
var pathFigure = new PathFigure
{
Segments = pathSegments
};
MaterialProvider.Reset(context);
var isFirstPoint = true;
foreach (var d in FilteredData)
{
var material = MaterialProvider.ProvideNext(context);
var currentCategoryVisualContext = visualContext.CategoryVisuals[pttrace];
var nextPoint = new Point(startX + (barAvailableWidth * pttrace), verticalpttrace + xAxisHeight);
var baseAnimationPoint = new Point(nextPoint.X, 0).LocalizeInCartesianSpace(PART_line);
var actualNextPoint = nextPoint.LocalizeInCartesianSpace(PART_line);
// TODO get rid of this
var plottedPoint = IsLoaded ? actualNextPoint : baseAnimationPoint;
if (isFirstPoint)
{
visualContext.PolyLineStartPointAnimationAspect = new AnimationAspect <Point, PathFigure, PointAnimation>(
pathFigure, PathFigure.StartPointProperty, baseAnimationPoint, actualNextPoint, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800),
};
isFirstPoint = false;
}
else
{
var lineSegment = new LineSegment(plottedPoint, true)
{
IsSmoothJoin = true
};
pathSegments.Add(lineSegment);
visualContext.LineSegmentVisuals.Add(new ParetoChartLineSegmentVisualContext
{
PointAnimationAspect =
new AnimationAspect <Point, LineSegment, PointAnimation>(lineSegment, LineSegment.PointProperty,
baseAnimationPoint, actualNextPoint, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800)
}
});
}
var beginDotMargin = new Thickness(nextPoint.X, 0, 0, xAxisHeight);
var actualDotMargin = new Thickness(nextPoint.X, 0, 0, nextPoint.Y);
var dot = new Ellipse
{
Width = (DotRadius * 2),
Height = (DotRadius * 2),
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Fill = DotFill.GetMaterial(material),
Stroke = DotStroke.GetMaterial(material),
};
BindingOperations.SetBinding(dot, Shape.StrokeThicknessProperty, new Binding("DotStrokeThickness")
{
Source = this
});
currentCategoryVisualContext.DotMarginAnimationAspect =
new AnimationAspect <Thickness, Ellipse, ThicknessAnimation>(dot, MarginProperty,
beginDotMargin, actualDotMargin, animationState)
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio,
Duration = TimeSpan.FromMilliseconds(800)
};
PART_line.Children.Add(dot);
Panel.SetZIndex(dot, 50);
verticalpttrace += d.Value.Map(0, total, 0, availableLineGraphSize.Height);
pttrace++;
}
var path = new Path
{
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Left,
Data = new PathGeometry
{
Figures = new PathFigureCollection
{
pathFigure
}
},
Margin = new Thickness(DotRadius, 0, 0, xAxisHeight + DotRadius),
Stroke = LineStroke.GetMaterial(FallbackMaterialSet),
};
BindingOperations.SetBinding(path, Shape.StrokeThicknessProperty, new Binding("LineStrokeThickness")
{
Source = this
});
PART_line.Children.Add(path);
base.OnRender(drawingContext);
}