private void MeasureAxis(Size availableSize, Rect seriesClipRect)
{
bool needLayout = true;
bool isFirstLayout = true;
Rect currectClipRect;
while (needLayout)
{
needLayout = false;
leftSizes.Clear();
rightSizes.Clear();
CalcRowSize(seriesClipRect);
foreach (ChartRowDefinition row in Area.RowDefinitions)
{
var rowSize = new Size(availableSize.Width, row.ComputedHeight);
row.Measure(rowSize, leftSizes, rightSizes, isFirstLayout);
}
left = leftSizes.Sum();
right = rightSizes.Sum();
top = topSizes.Count > 0 ? topSizes.Sum() : 0;
bottom = bottomSizes.Count > 0 ? bottomSizes.Sum() : 0;
var thickness = new Thickness(left, top, right, bottom);
currectClipRect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), thickness);
if (Math.Abs(seriesClipRect.Width - currectClipRect.Width) > 0.5 || isFirstLayout)
{
topSizes.Clear();
bottomSizes.Clear();
seriesClipRect = currectClipRect;
CalcColumnSize(seriesClipRect);
foreach (ChartColumnDefinition column in Area.ColumnDefinitions)
{
var columnSize = new Size(column.ComputedWidth, availableSize.Height);
column.Measure(columnSize, bottomSizes, topSizes);
}
left = leftSizes.Sum();
right = rightSizes.Sum();
top = topSizes.Sum();
bottom = bottomSizes.Sum();
thickness = new Thickness(left, top, right, bottom);
currectClipRect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), thickness);
needLayout = Math.Abs(seriesClipRect.Height - currectClipRect.Height) > 0.5;
seriesClipRect = currectClipRect;
}
isFirstLayout = false;
}
}
/// <summary>
/// Provides the behavior for the Measure pass of Silverlight layout. Classes can override this method to define their own Measure pass behavior.
/// </summary>
/// <returns>
/// The size that this object determines it needs during layout, based on its calculations of the allocated sizes for child objects; or based on other considerations, such as a fixed container size.
/// </returns>
/// <param name="availableSize">The Available Size</param>
protected override Size MeasureOverride(Size availableSize)
{
var elements = new List <UIElement>();
Size size = ChartLayoutUtils.CheckSize(availableSize);
if (Area != null)
{
Area.RootPanelDesiredSize = size;
}
foreach (UIElement element in Children)
{
elements.Add(element);
}
IEnumerable <UIElement> uiElements = elements.OrderBy(GetMeasurePriorityIndex);
foreach (UIElement element in uiElements)
{
element.Measure(availableSize);
}
return(size);
}
/// <summary>
/// Initializes a new instance of the <see cref="ChartPolarTransformer"/> class.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="xAxis">The x axis.</param>
/// <param name="yAxis">The y axis.</param>
public ChartPolarTransformer(Rect viewport, ChartAxis xAxis, ChartAxis yAxis)
{
m_viewport = viewport;
m_xAxis = xAxis;
m_yAxis = yAxis;
m_center = ChartLayoutUtils.GetCenter(m_viewport);
m_radius = 0.5 * Math.Min(m_viewport.Width, m_viewport.Height);
}
/// <summary>
/// Provides the behavior for the Measure pass of Silverlight layout. Classes can override this method to define their own Measure pass behavior.
/// </summary>
/// <returns>
/// The size that this object determines it needs during layout, based on its calculations of the allocated sizes for child objects; or based on other considerations, such as a fixed container size.
/// </returns>
/// <param name="availableSize"></param>
protected override Size MeasureOverride(Size availableSize)
{
availableSize = ChartLayoutUtils.CheckSize(availableSize);
if (AxisLayout != null)
{
AxisLayout.Measure(availableSize);
}
return(availableSize);
}
/// <summary>
/// Updates the segments based on its data point value. This method is not
/// intended to be called explicitly outside the Chart but it can be overriden by
/// any derived class.
/// </summary>
/// <param name="transformer">Reresents the view port of chart control.(refer <see cref="IChartTransformer"/>)</param>
public override void Update(IChartTransformer transformer)
{
double bottom;
Point center = ChartLayoutUtils.GetCenter(transformer.Viewport);
bottom = center.Y;
center.Y = 0;
center.Y += ((CurrY * bottom) * 2) - (Height / 2) * 4;
this.X = center.X;
this.Y = center.Y;
}
/// <summary>
/// Arranges the elements in a panel.
/// </summary>
/// <param name="finalSize">final Size of the panel.</param>
/// <returns>returns Size.</returns>
public Size Arrange(Size finalSize)
{
double dx = finalSize.Width - 2 * m_maxLabelsSize.Width;
double dy = finalSize.Height - 2 * m_maxLabelsSize.Height;
this.Radius = Math.Max(0, 0.5 * Math.Min(dx, dy) - Math.Max(Axis.TickLineSize, 0));
this.Center = (Point)ChartLayoutUtils.GetCenter(finalSize);
RenderElements();
return(finalSize);
}
/// <summary>
/// Updates the panel.
/// </summary>
/// <param name="finalSize"></param>
internal void Update(Size finalSize)
{
bool canUpdate = !(Series is ISupportAxes);
if (Series is ISupportAxes &&
Series.ActualXAxis != null && Series.ActualYAxis != null)
{
canUpdate = true;
if (Series.Area != null)
{
Series.Area.ClearBuffer();
}
}
if (canUpdate)
{
IChartTransformer chartTransformer = Series.CreateTransformer(finalSize, true);
if (Series is CircularSeriesBase)
{
CircularSeriesBase circularSeries = Series as CircularSeriesBase;
Rect rect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(), finalSize), Series.Margin);
chartTransformer = Series.CreateTransformer(new Size(rect.Width, rect.Height), true);
var pieSeries = circularSeries as PieSeries;
double coefficient = pieSeries != null ? pieSeries.InternalPieCoefficient : (circularSeries as DoughnutSeries).InternalDoughnutCoefficient;
double radius = coefficient * Math.Min(chartTransformer.Viewport.Width, chartTransformer.Viewport.Height) / 2;
circularSeries.Center = circularSeries.GetActualCenter(new Point(chartTransformer.Viewport.Width * 0.5d, chartTransformer.Viewport.Height * 0.5d), radius);
}
Series.Pixels.Clear();
Series.bitmapPixels.Clear();
Series.bitmapRects.Clear();
foreach (ChartSegment segment in Series.Segments)
{
segment.Update(chartTransformer);
}
if (Series.CanAnimate && Series.Segments.Count > 0)
{
Series.Animate();
Series.CanAnimate = false;
}
if (Series.IsLoading)
{
Series.IsLoading = false;
}
}
}
/// <summary>
/// Calculates the series rectangle.
/// </summary>
/// <param name="availableSize">The Available Size</param>
private void CalculateSeriesRect(Size availableSize)
{
double width = Math.Max(availableSize.Width / 2 - Radius, 0);
double height = Math.Max(availableSize.Height / 2 - Radius, 0);
this.Area.AxisThickness = new Thickness(width, height, width, height);
Rect rect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), this.Area.AxisThickness);
this.Area.SeriesClipRect = new Rect(rect.Left, rect.Top, rect.Width, rect.Height);
Area.InternalCanvas.Clip = new RectangleGeometry()
{
Rect = new Rect(0, 0, this.Area.SeriesClipRect.Width, this.Area.SeriesClipRect.Height)
};
}
/// <summary>
/// Arranges the elements in a panel
/// </summary>
/// <param name="finalSize">final size of the panel.</param>
/// <returns>returns Size</returns>
public Size Arrange(Size finalSize)
{
Rect clientRect = new Rect(0, 0, finalSize.Width, finalSize.Height);
if (PolarAxis != null)
{
PolarAxis.ArrangeRect = clientRect;
PolarAxis.Measure(new Size(clientRect.Width, clientRect.Height));
PolarAxis.Arrange(clientRect);
Canvas.SetLeft(PolarAxis, clientRect.Left);
Canvas.SetTop(PolarAxis, clientRect.Top);
}
ChartAxis yAxis = this.CartesianAxis;
if (yAxis != null)
{
Point center = ChartLayoutUtils.GetCenter(clientRect);
CalculateCartesianArrangeRect(center, yAxis);
Rect rect = new Rect(this.CartesianAxis.ArrangeRect.Left,
this.CartesianAxis.ArrangeRect.Top,
this.CartesianAxis.ComputedDesiredSize.Width,
this.CartesianAxis.ComputedDesiredSize.Height);
if (CartesianAxis.PolarAngle != ChartPolarAngle.Rotate90 &&
(!yAxis.OpposedPosition ||
CartesianAxis.PolarAngle == ChartPolarAngle.Rotate180))
{
CartesianAxis.Measure(new Size(rect.Width, rect.Height));
}
else
{
CartesianAxis.Measure(new Size(rect.Left, rect.Height));
}
CartesianAxis.Arrange(rect);
Canvas.SetLeft(CartesianAxis, CartesianAxis.ArrangeRect.Left);
Canvas.SetTop(CartesianAxis, CartesianAxis.ArrangeRect.Top);
if (CartesianAxis.PolarAngle == ChartPolarAngle.Rotate90 ||
CartesianAxis.PolarAngle == ChartPolarAngle.Rotate180)
{
Area.InternalSecondaryAxis.IsInversed = !Area.InternalSecondaryAxis.IsInversed;
}
}
return(finalSize);
}
/// <summary>
/// Initializes a new instance of the <see cref="ChartPolarTransformer"/> class.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="series">The series.</param>
public ChartPolarTransformer(Rect viewport, ChartSeriesBase series)
{
m_viewport = viewport;
m_xAxis = series.ActualXAxis;
m_yAxis = series.ActualYAxis;
m_center = ChartLayoutUtils.GetCenter(m_viewport);
m_radius = 0.5 * Math.Min(m_viewport.Width, m_viewport.Height);
x_IsLogarithmic = series.ActualXAxis is LogarithmicAxis;
y_IsLogarithmic = series.ActualYAxis is LogarithmicAxis;
if (x_IsLogarithmic)
{
xlogarithmicBase = (series.ActualXAxis as LogarithmicAxis).LogarithmicBase;
}
if (y_IsLogarithmic)
{
ylogarithmicBase = (series.ActualYAxis as LogarithmicAxis).LogarithmicBase;
}
}
/// <summary>
/// Change the ItemsPanel orientation
/// </summary>
internal void ChangedOrientation()
{
ItemsPresenter itemsPresenter = ChartLayoutUtils.GetVisualChild <ItemsPresenter>(this);
if (itemsPresenter != null)
{
if (VisualTreeHelper.GetChildrenCount(itemsPresenter) > 0)
{
StackPanel itemsPanel = VisualTreeHelper.GetChild(itemsPresenter, 1) as StackPanel;
if (itemsPanel != null)
{
itemsPanel.Orientation = ZoomBehavior.ToolBarOrientation;
this.UpdateLayout();
ZoomBehavior.OnLayoutUpdated();
}
}
}
}
/// <summary>
/// Measures the elements in a panel.
/// </summary>
/// <param name="availableSize">available size of the panel.</param>
/// <returns>returns Size.</returns>
public Size Measure(Size availableSize)
{
m_maxLabelsSize = new Size();
IEnumerable enumerator = contentControlRecycler as IEnumerable;
foreach (UIElement element in enumerator)
{
element.Measure(availableSize);
m_maxLabelsSize.Width = Math.Max(element.DesiredSize.Width, m_maxLabelsSize.Width);
m_maxLabelsSize.Height = Math.Max(element.DesiredSize.Height, m_maxLabelsSize.Height);
}
double dx = availableSize.Width - 2 * m_maxLabelsSize.Width;
double dy = availableSize.Height - 2 * m_maxLabelsSize.Height;
this.Radius = 0.5 * Math.Min(dx, dy) - Math.Max(Axis.TickLineSize, 0);
this.Center = (Point)ChartLayoutUtils.GetCenter(availableSize);
return(availableSize);
}
internal void ChangeOrientation()
{
ItemsPresenter itemsPresenter = ChartLayoutUtils.GetVisualChild <ItemsPresenter>(this);
if (itemsPresenter != null)
{
if (VisualTreeHelper.GetChildrenCount(itemsPresenter) > 0)
{
StackPanel itemsPanel = VisualTreeHelper.GetChild(itemsPresenter, 1) as StackPanel;
if (itemsPanel != null)
{
itemsPanel.Orientation = (Orientation)Enum.Parse(
typeof(Orientation)
, (this.Orientation == ChartOrientation.Default
? ((this.DockPosition != ChartDock.Left && this.DockPosition != ChartDock.Right)
? ChartOrientation.Horizontal : ChartOrientation.Vertical)
: this.Orientation).ToString(),
false);
}
}
}
}
/// <summary>
/// Provides the behavior for the Measure pass of Silverlight layout. Classes can override this method to define their own Measure pass behavior.
/// </summary>
/// <returns>
/// The size that this object determines it needs during layout, based on its calculations of the allocated sizes for child objects; or based on other considerations, such as a fixed container size.
/// </returns>
/// <param name="availableSize">The Available Size</param>
protected override Size MeasureOverride(Size availableSize)
{
var topSizes = new List <double>();
var leftSizes = new List <double>();
var bottomSizes = new List <double>();
var rightSizes = new List <double>();
Thickness margin = this.ElementMargin;
m_controlsThickness = this.ElementMargin;
foreach (UIElement element in Children)
{
if (element == null)
{
continue;
}
if (element == m_rootElement)
{
continue;
}
element.Measure(availableSize);
Size elemSize = ChartLayoutUtils.Addthickness(element.DesiredSize, margin);
var chartLegend = element as ChartLegend;
switch (GetDock(element))
{
case ChartDock.Left:
if (chartLegend != null)
{
var index = chartLegend.RowColumnIndex;
if (leftSizes.Count <= index)
{
leftSizes.Add(elemSize.Width);
}
else if (leftSizes[index] < elemSize.Width)
{
leftSizes[index] = elemSize.Width;
}
}
else
{
m_controlsThickness.Left += elemSize.Width;
}
break;
case ChartDock.Right:
if (chartLegend != null)
{
var index = chartLegend.RowColumnIndex;
if (rightSizes.Count <= index)
{
rightSizes.Add(elemSize.Width);
}
else if (rightSizes[index] < elemSize.Width)
{
rightSizes[index] = elemSize.Width;
}
}
else
{
m_controlsThickness.Right += elemSize.Width;
}
break;
case ChartDock.Top:
if (chartLegend != null)
{
var index = chartLegend.RowColumnIndex;
if (topSizes.Count <= index)
{
topSizes.Add(elemSize.Height);
}
else if (topSizes[index] < elemSize.Height)
{
topSizes[index] = elemSize.Height;
}
}
else
{
m_controlsThickness.Top += elemSize.Height;
}
break;
case ChartDock.Bottom:
if (chartLegend != null)
{
var index = chartLegend.RowColumnIndex;
if (bottomSizes.Count <= index)
{
bottomSizes.Add(elemSize.Height);
}
else if (bottomSizes[index] < elemSize.Height)
{
bottomSizes[index] = elemSize.Height;
}
}
else
{
m_controlsThickness.Bottom += elemSize.Height;
}
break;
case ChartDock.Floating:
// WPF - 33623 Force to measure the dockpanel when set the DockPosition and LegendPosition as Inside.
if (chartLegend != null)
{
if (chartLegend.ActualHeight > 0 ||
chartLegend.ActualWidth > 0)
{
leftSizes.Add(0);
}
else
{
leftSizes.Add(0.1);
}
}
break;
}
}
m_controlsThickness.Left += leftSizes.Sum();
m_controlsThickness.Right += rightSizes.Sum();
m_controlsThickness.Top += topSizes.Sum();
m_controlsThickness.Bottom += bottomSizes.Sum();
try
{
var areasize = ChartLayoutUtils.Subtractthickness(availableSize, m_controlsThickness);
m_rootElement.Measure(areasize);
}
catch (Exception)
{
}
return(availableSize);
}
/// <summary>
/// Updates the segments based on its data point value. This method is not
/// intended to be called explicitly outside the Chart but it can be overridden by
/// any derived class.
/// </summary>
/// <param name="transformer">Represents the view port of chart control.(refer <see cref="IChartTransformer"/>)</param>
public override void Update(IChartTransformer transformer)
{
if (!this.IsSegmentVisible)
{
segmentPath.Visibility = Visibility.Collapsed;
}
else
{
segmentPath.Visibility = Visibility.Visible;
}
segmentPath.StrokeLineJoin = PenLineJoin.Round;
segmentPath.Width = transformer.Viewport.Width;
segmentPath.Height = transformer.Viewport.Height;
segmentPath.VerticalAlignment = VerticalAlignment.Center;
segmentPath.HorizontalAlignment = HorizontalAlignment.Center;
double actualRadius = Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
double equalParts = actualRadius / (pieSeriesCount);
if (pieIndex == 0)
{
Point center;
if (pieSeriesCount == 1)
{
center = (Series as CircularSeriesBase).Center;
}
else
{
center = ChartLayoutUtils.GetCenter(transformer.Viewport);
}
double radius = parentSeries.InternalPieCoefficient * (equalParts);
parentSeries.Radius = radius;
if (Math.Round((ActualEndAngle - ActualStartAngle), 2) == 6.28)
{
EllipseGeometry ellipseGeometry = new EllipseGeometry()
{
Center = center,
RadiusX = radius,
RadiusY = radius
};
this.segmentPath.Data = ellipseGeometry;
}
else if ((ActualEndAngle - ActualStartAngle) != 0)
{
if (this.IsExploded)
{
center = new Point(center.X + (parentSeries.ExplodeRadius * Math.Cos(AngleOfSlice)), center.Y + (parentSeries.ExplodeRadius * Math.Sin(AngleOfSlice)));
}
startPoint = new Point(center.X + radius * Math.Cos(ActualStartAngle), center.Y + radius * Math.Sin(ActualStartAngle));
Point endPoint = new Point(center.X + radius * Math.Cos(ActualEndAngle), center.Y + radius * Math.Sin(ActualEndAngle));
PathFigure figure = new PathFigure();
figure.StartPoint = center;
WindowsLineSegment line = new WindowsLineSegment();
line.Point = startPoint;
figure.Segments.Add(line);
ArcSegment seg = new ArcSegment();
seg.Point = endPoint;
seg.Size = new Size(radius, radius);
seg.RotationAngle = ActualEndAngle + ActualStartAngle;
seg.IsLargeArc = ActualEndAngle - ActualStartAngle > Math.PI;
seg.SweepDirection = StartAngle > EndAngle ? SweepDirection.Counterclockwise : SweepDirection.Clockwise;
figure.Segments.Add(seg);
figure.IsClosed = true;
this.segmentGeometry = new PathGeometry();
segmentGeometry.Figures = new PathFigureCollection()
{
figure
};
this.segmentPath.Data = segmentGeometry;
}
else
{
this.segmentPath.Data = null;
}
}
else if (pieIndex >= 1)
{
double radius = (equalParts * (pieIndex + 1)) - (equalParts * (1 - parentSeries.InternalPieCoefficient));
double innerRadius = equalParts * pieIndex;
parentSeries.Radius = radius;
Point center = ChartLayoutUtils.GetCenter(transformer.Viewport);
if (this.IsExploded)
{
center = new Point(center.X + (parentSeries.ExplodeRadius * Math.Cos(AngleOfSlice)), center.Y + (parentSeries.ExplodeRadius * Math.Sin(AngleOfSlice)));
}
startPoint = new Point(center.X + radius * Math.Cos(ActualStartAngle), center.Y + radius * Math.Sin(ActualStartAngle));
Point endPoint = new Point(center.X + radius * Math.Cos(ActualEndAngle), center.Y + radius * Math.Sin(ActualEndAngle));
if (Math.Round((ActualEndAngle - ActualStartAngle), 2) == 6.28)
{
GeometryGroup geometryGroup = new GeometryGroup();
geometryGroup.Children.Add(new EllipseGeometry()
{
Center = center,
RadiusX = radius,
RadiusY = radius
});
geometryGroup.Children.Add(new EllipseGeometry()
{
Center = center,
RadiusX = innerRadius,
RadiusY = innerRadius
});
this.segmentPath.Data = geometryGroup;
}
else if ((ActualEndAngle - ActualStartAngle) != 0)
{
Point startDPoint = new Point(center.X + innerRadius * Math.Cos(ActualStartAngle), center.Y + innerRadius * Math.Sin(ActualStartAngle));
Point endDPoint = new Point(center.X + innerRadius * Math.Cos(ActualEndAngle), center.Y + innerRadius * Math.Sin(ActualEndAngle));
PathFigure figure = new PathFigure();
figure.StartPoint = startPoint;
ArcSegment arcseg = new ArcSegment();
arcseg.Point = endPoint;
arcseg.Size = new Size(radius, radius);
arcseg.RotationAngle = ActualEndAngle - ActualStartAngle;
arcseg.IsLargeArc = ActualEndAngle - ActualStartAngle > Math.PI;
arcseg.SweepDirection = StartAngle > EndAngle ? SweepDirection.Counterclockwise : SweepDirection.Clockwise;
figure.Segments.Add(arcseg);
WindowsLineSegment line = new WindowsLineSegment();
line.Point = endDPoint;
figure.Segments.Add(line);
arcseg = new ArcSegment();
arcseg.Point = startDPoint;
arcseg.Size = new Size(innerRadius, innerRadius);
arcseg.RotationAngle = ActualEndAngle - ActualStartAngle;
arcseg.IsLargeArc = ActualEndAngle - ActualStartAngle > Math.PI;
arcseg.SweepDirection = StartAngle < EndAngle ? SweepDirection.Counterclockwise : SweepDirection.Clockwise;
figure.Segments.Add(arcseg);
figure.IsClosed = true;
this.segmentGeometry = new PathGeometry();
segmentGeometry.Figures = new PathFigureCollection()
{
figure
};
this.segmentPath.Data = segmentGeometry;
}
else
{
this.segmentPath.Data = null;
}
}
}
/// <summary>
/// Measures the control.
/// </summary>
/// <param name="availableSize">The Available Size</param>
/// <returns>Returns the measure size.</returns>
protected override Size MeasureOverride(Size availableSize)
{
base.MeasureOverride(availableSize);
this.availableSize = ChartLayoutUtils.CheckSize(availableSize);
if (this.Orientation == Orientation.Horizontal && NearHand != null && FarHand != null)
{
desiredSize.Width = this.availableSize.Width;
desiredSize.Height = ResizableBarSize;
if (NearHand.Visibility != Visibility.Collapsed)
{
NearHand.Measure(availableSize);
Size thumbSize = NearHand.DesiredSize;
if (thumbSize.Width == 0)
{
resizeThumbSize = NearHand.MinWidth;
}
else
{
resizeThumbSize = thumbSize.Width;
}
NearHand.Width = resizeThumbSize;
FarHand.Width = resizeThumbSize;
}
else
{
resizeThumbSize = 0d;
}
if (this.ScrollButtonVisibility != Visibility.Collapsed)
{
SmallIncrease.Measure(availableSize);
Size scrollButtonSize = SmallIncrease.DesiredSize;
if (scrollButtonSize.Width == 0)
{
smallThumbSize = SmallIncrease.MinWidth;
}
else
{
smallThumbSize = (smallThumbSize == 0) ? scrollButtonSize.Width : Math.Min(smallThumbSize, scrollButtonSize.Width);
}
SmallDecrease.Width = smallThumbSize;
SmallIncrease.Width = smallThumbSize;
}
else
{
SmallDecrease.Width = smallThumbSize = 0;
SmallIncrease.Width = smallThumbSize = 0;
}
}
else if (this.Orientation == Orientation.Vertical && FarHand != null && NearHand != null)
{
desiredSize.Height = this.availableSize.Height;
desiredSize.Width = ResizableBarSize;
NearHand.Measure(availableSize);
if (NearHand.Visibility != Visibility.Collapsed)
{
Size thumbSize = NearHand.DesiredSize;
if (thumbSize.Height == 0)
{
resizeThumbSize = NearHand.MinHeight;
}
else
{
resizeThumbSize = thumbSize.Height;
}
NearHand.Height = resizeThumbSize;
FarHand.Height = resizeThumbSize;
}
else
{
resizeThumbSize = 0d;
}
if (this.ScrollButtonVisibility != Visibility.Collapsed)
{
SmallIncrease.Measure(availableSize);
Size scrollButtonSize = SmallIncrease.DesiredSize;
if (scrollButtonSize.Width == 0)
{
smallThumbSize = SmallIncrease.MinHeight;
}
else
{
smallThumbSize = smallThumbSize = (smallThumbSize == 0) ? scrollButtonSize.Height : Math.Min(smallThumbSize, scrollButtonSize.Height);
}
SmallDecrease.Height = smallThumbSize;
SmallIncrease.Height = smallThumbSize;
}
else
{
SmallDecrease.Height = smallThumbSize = 0;
SmallIncrease.Height = smallThumbSize = 0;
}
}
return(desiredSize);
}
private void MeasureAxis(Size availableSize, Rect seriesClipRect)
{
bool needLayout = true;
bool isFirstLayout = true;
Rect currectClipRect;
while (needLayout)
{
needLayout = false;
leftSizes.Clear();
rightSizes.Clear();
CalcRowSize(seriesClipRect);
foreach (ChartRowDefinition row in Area.RowDefinitions)
{
var rowSize = new Size(availableSize.Width, row.ComputedHeight);
row.Measure(rowSize, leftSizes, rightSizes, isFirstLayout);
}
left = leftSizes.Sum();
right = rightSizes.Sum();
top = topSizes.Count > 0 ? topSizes.Sum() : 0;
bottom = bottomSizes.Count > 0 ? bottomSizes.Sum() : 0;
var thickness = new Thickness(left, top, right, bottom);
currectClipRect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), thickness);
if (Math.Abs(seriesClipRect.Width - currectClipRect.Width) > 0.5 || isFirstLayout)
{
topSizes.Clear();
bottomSizes.Clear();
seriesClipRect = currectClipRect;
CalcColumnSize(seriesClipRect);
foreach (ChartColumnDefinition column in Area.ColumnDefinitions)
{
var columnSize = new Size(column.ComputedWidth, availableSize.Height);
column.Measure(columnSize, bottomSizes, topSizes);
//This is the place where the column is updated correctly just before the y axis and x axis arrangement.
if (Area is SfChart3D)
{
if ((column.Axis.Any(x => (x as ChartAxisBase3D).IsZAxis && !(x as ChartAxisBase3D).IsManhattanAxis)))
{
(Area as SfChart3D).ActualDepth = column.ComputedWidth;
}
else
{
(Area as SfChart3D).ActualDepth = (Area as SfChart3D).Depth;
}
}
}
left = leftSizes.Sum();
right = rightSizes.Sum();
top = topSizes.Sum();
bottom = bottomSizes.Sum();
thickness = new Thickness(left, top, right, bottom);
currectClipRect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), thickness);
needLayout = Math.Abs(seriesClipRect.Height - currectClipRect.Height) > 0.5;
seriesClipRect = currectClipRect;
}
isFirstLayout = false;
}
}
/// <summary>
/// Measures the elements in the panel.
/// </summary>
/// <param name="availableSize">available size of the panel.</param>
/// <returns>Returns the desired size</returns>
public Size Measure(Size availableSize)
{
left = right = top = bottom = 0;
if (Area.ColumnDefinitions.Count == 0)
{
Area.ColumnDefinitions.Add(new ChartColumnDefinition());
}
if (Area.RowDefinitions.Count == 0)
{
Area.RowDefinitions.Add(new ChartRowDefinition());
}
foreach (ChartColumnDefinition column in Area.ColumnDefinitions)
{
column.Axis.Clear();
}
foreach (ChartRowDefinition row in Area.RowDefinitions)
{
row.Axis.Clear();
}
foreach (ChartAxis content in Area.Axes)
{
if (content.DisableScrollbar)
{
ChartAxisBase2D chartAxisBase2D = content as ChartAxisBase2D;
if (chartAxisBase2D != null)
{
chartAxisBase2D.EnableScrollBar = true;
}
}
if (content.Orientation == Orientation.Horizontal)
{
Area.ColumnDefinitions[Area.GetActualColumn(content)].Axis.Add(content);
}
else
{
Area.RowDefinitions[Area.GetActualRow(content)].Axis.Add(content);
}
}
// Spanning calculation for each axis
if (Area != null)
{
AxisSpanCalculation();
}
leftSizes.Clear();
rightSizes.Clear();
topSizes.Clear();
bottomSizes.Clear();
MeasureAxis(availableSize, new Rect(new Point(0, 0), availableSize));
Area.AxisThickness = new Thickness(left, top, right, bottom);
// Area.SeriesClipRect = rect;
UpdateArrangeRect(availableSize);
Rect rect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), availableSize), this.Area.AxisThickness);
currentAvalilableSize = availableSize;
Area.SeriesClipRect = rect;
foreach (ChartSeriesBase series in Area.VisibleSeries.OfType <ISupportAxes>())
{
if (series.ActualXAxis != null && series.ActualYAxis != null)
{
ChartAxis xAxis = series.ActualXAxis.Orientation == Orientation.Horizontal
? series.ActualXAxis
: series.ActualYAxis;
ChartAxis yAxis = series.ActualYAxis.Orientation == Orientation.Vertical
? series.ActualYAxis
: series.ActualXAxis;
var x = xAxis.ArrangeRect.Left - rect.Left;
var y = yAxis.ArrangeRect.Top - rect.Top;
var width = xAxis.ArrangeRect.Width;
var height = yAxis.ArrangeRect.Height;
series.Clip = new RectangleGeometry()
{
Rect = new Rect(x, y, width + 0.5, height + 0.5)
};
}
}
_desiredSize = availableSize;
return(availableSize);
}
protected override Size ArrangeOverride(Size finalSize)
{
m_resultDockRect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), finalSize), m_controlsThickness);
Rect currRect = new Rect(new Point(0, 0), finalSize);
Rect resRect = currRect;
#region Arrange Central Element
if (m_rootElement != null)
{
try
{
m_rootElement.Arrange(m_resultDockRect);
}
catch (Exception)
{
}
}
#endregion
#region Arrange All Elements
double legendTop = -1d;
for (int i = 0; i < Children.Count; i++)
{
FrameworkElement element = Children[i] as FrameworkElement;
Size elemSize = ChartLayoutUtils.Addthickness(element.DesiredSize, ElementMargin);
double scale;
if (element != null && element != m_rootElement)
{
var chartLegend = element as ChartLegend;
var offsetX = 0d;
var offsetY = 0d;
if (chartLegend != null)
{
offsetX = double.IsNaN(chartLegend.OffsetX) ? 0d : chartLegend.OffsetX;
offsetY = double.IsNaN(chartLegend.OffsetY) ? 0d : chartLegend.OffsetY;
}
#region Orientation == Orientation.Horizontal
switch (GetDock(element))
{
case ChartDock.Left:
if (element is ChartLegend)
{
var arrangeRect = (element as ChartLegend).ArrangeRect;
ArrangeElement(element, ChartDock.Left, new Rect(arrangeRect.Left + offsetX + currRect.Left, arrangeRect.Top + offsetY + m_controlsThickness.Top, arrangeRect.Width, arrangeRect.Height));
}
else
{
ArrangeElement(element, ChartDock.Left, new Rect(currRect.Left, resRect.Y, elemSize.Width, resRect.Height));
currRect.X += elemSize.Width;
scale = currRect.Width - elemSize.Width;
currRect.Width = scale > 0 ? scale : 0;
}
break;
case ChartDock.Right:
if (element is ChartLegend)
{
var arrangeRect = (element as ChartLegend).ArrangeRect;
ArrangeElement(element, ChartDock.Right, new Rect(arrangeRect.Left + offsetX + m_controlsThickness.Left, arrangeRect.Top + offsetY + m_controlsThickness.Top, arrangeRect.Width, arrangeRect.Height));
}
else
{
scale = currRect.Width - elemSize.Width;
currRect.Width = scale > 0 ? scale : 0;
ArrangeElement(element, ChartDock.Right, new Rect(currRect.Right, resRect.Top + m_controlsThickness.Top, elemSize.Width, resRect.Height));
}
break;
case ChartDock.Top:
if (element is ChartLegend)
{
if (legendTop == -1)
{
legendTop = currRect.Top;
}
var arrangeRect = (element as ChartLegend).ArrangeRect;
ArrangeElement(element, ChartDock.Top, new Rect(arrangeRect.Left + offsetX + m_controlsThickness.Left, arrangeRect.Top + offsetY + legendTop, arrangeRect.Width, arrangeRect.Height));
}
else
{
ArrangeElement(element, ChartDock.Top, new Rect(0, currRect.Top, finalSize.Width, elemSize.Height));
currRect.Y += elemSize.Height;
scale = currRect.Height - elemSize.Height;
currRect.Height = scale > 0 ? scale : 0;
}
break;
case ChartDock.Bottom:
if (element is ChartLegend)
{
var arrangeRect = (element as ChartLegend).ArrangeRect;
ArrangeElement(element, ChartDock.Bottom, new Rect(arrangeRect.Left + offsetX + m_controlsThickness.Left, arrangeRect.Top + offsetY + m_controlsThickness.Top, arrangeRect.Width, arrangeRect.Height));
}
else
{
scale = currRect.Height - elemSize.Height;
currRect.Height = scale > 0 ? scale : 0;
ArrangeElement(element, ChartDock.Bottom, new Rect(0, currRect.Bottom, finalSize.Width, elemSize.Height));
}
break;
case ChartDock.Floating:
Rect elementRect = new Rect(new Point(0, 0), new Size(element.DesiredSize.Width, element.DesiredSize.Height));
if (chartLegend != null)
{
element.Arrange(EnsureRectIsInside(resRect,
new Rect(chartLegend.ArrangeRect.Left + offsetX + m_controlsThickness.Left,
chartLegend.ArrangeRect.Top + offsetY + m_controlsThickness.Top, element.DesiredSize.Width,
chartLegend.DesiredSize.Height)));
}
else
{
element.Arrange(new Rect(0, 0, finalSize.Width, finalSize.Height));
}
break;
}
#endregion
}
}
#endregion
#if Uno
#if __ANDROID__ || __IOS__ || __WASM__
return(finalSize);
#else
return(base.ArrangeOverride(finalSize));
#endif
#else
return(base.ArrangeOverride(finalSize));
#endif
}
/// <summary>
/// Updates the segments based on its data point value. This method is not
/// intended to be called explicitly outside the Chart but it can be overriden by
/// any derived class.
/// </summary>
/// <param name="transformer">Reresents the view port of chart control.(refer <see cref="IChartTransformer"/>)</param>
public override void Update(IChartTransformer transformer)
{
double radius = Radius;
double actualRadius = Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
if (Series is PieSeries)
{
var hostSeries = Series as PieSeries;
double pieSeriesCount = hostSeries.GetPieSeriesCount();
double equalParts = actualRadius / pieSeriesCount;
double innerRadius = equalParts * pieIndex;
Point center;
if (pieSeriesCount == 1)
{
center = hostSeries.Center;
}
else
{
center = ChartLayoutUtils.GetCenter(transformer.Viewport);
}
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
if (pieIndex > 0)
{
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
}
else
{
radius = radius / 2;
}
}
this.X = center.X + radius * Math.Cos(Angle);
this.Y = center.Y + radius * Math.Sin(Angle);
}
else if (Series is DoughnutSeries)
{
var hostSeries = Series as DoughnutSeries;
actualRadius *= hostSeries.InternalDoughnutSize;
Point center;
double remainingWidth = 0d, equalParts = 0d, innerRadius = 0d;
var adornmentAngle = Angle;
if (hostSeries.IsStackedDoughnut)
{
var adornmentIndex = Series.Adornments.IndexOf(this);
var doughnutSegment = hostSeries.Segments[adornmentIndex] as DoughnutSegment;
int doughnutSegmentsCount = hostSeries.Segments.Count;
center = hostSeries.Center;
remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
equalParts = (remainingWidth / doughnutSegmentsCount) * hostSeries.InternalDoughnutCoefficient;
radius = actualRadius - (equalParts * (doughnutSegmentsCount - (doughnutSegment.DoughnutSegmentIndex + 1)));
InnerDoughnutRadius = innerRadius = radius - equalParts;
radius = radius - equalParts * hostSeries.SegmentSpacing;
Radius = radius;
innerRadius = ChartMath.MaxZero(innerRadius);
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
adornmentAngle = hostSeries.LabelPosition == CircularSeriesLabelPosition.Outside ? doughnutSegment.StartAngle : hostSeries.LabelPosition == CircularSeriesLabelPosition.OutsideExtended ? doughnutSegment.EndAngle : Angle;
}
else
{
int doughnutSeriesCount = hostSeries.GetDoughnutSeriesCount();
center = doughnutSeriesCount == 1 ? hostSeries.Center : ChartLayoutUtils.GetCenter(transformer.Viewport);
remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
equalParts = remainingWidth / doughnutSeriesCount;
InnerDoughnutRadius = innerRadius = radius - (equalParts * hostSeries.InternalDoughnutCoefficient);
innerRadius = ChartMath.MaxZero(innerRadius);
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
}
}
this.X = center.X + radius * Math.Cos(adornmentAngle);
this.Y = center.Y + radius * Math.Sin(adornmentAngle);
}
}
/// <summary>
/// Provides the behavior for the Measure pass of Silverlight layout. Classes can override this method to define their own Measure pass behavior.
/// </summary>
/// <returns>
/// The size that this object determines it needs during layout, based on its calculations of the allocated sizes for child objects; or based on other considerations, such as a fixed container size.
/// </returns>
/// <param name="availableSize">The Available Size</param>
protected override Size MeasureOverride(Size availableSize)
{
if (Adornment == null)
{
return(ChartLayoutUtils.CheckSize(availableSize));
}
PredefinedSymbol.Measure(availableSize);
m_symbolPresenter.Measure(availableSize);
Size resultSize = new Size();
Size lblSz = Size.Empty;
Size sblSz;
if (Adornment.Series.adornmentInfo.Symbol == ChartSymbol.Custom)
{
sblSz = m_symbolPresenter.DesiredSize;
}
else
{
sblSz = PredefinedSymbol.DesiredSize;
}
switch (LabelHorizontalAlignment)
{
case HorizontalAlignment.Stretch:
case HorizontalAlignment.Center:
{
resultSize.Width = Math.Max(lblSz.Width, sblSz.Width);
m_symbolOffset.X = 0.5 * resultSize.Width;
}
break;
case HorizontalAlignment.Left:
resultSize.Width = Math.Max(lblSz.Width, sblSz.Width);
m_symbolOffset.X = 0.5 * resultSize.Width;
break;
case HorizontalAlignment.Right:
resultSize.Width = Math.Max(lblSz.Width, sblSz.Width);
m_symbolOffset.X = 0.5 * resultSize.Width;
break;
}
switch (LabelVerticalAlignment)
{
case VerticalAlignment.Bottom:
resultSize.Height = Math.Max(lblSz.Height, sblSz.Height);
m_symbolOffset.Y = 0.5 * resultSize.Height;
break;
case VerticalAlignment.Stretch:
case VerticalAlignment.Center:
{
resultSize.Height = Math.Max(lblSz.Height, sblSz.Height);
m_symbolOffset.Y = 0.5 * resultSize.Height;
}
break;
case VerticalAlignment.Top:
resultSize.Height = Math.Max(lblSz.Height, sblSz.Height);
m_symbolOffset.Y = 0.5 * resultSize.Height;
break;
}
return(resultSize);
}
private void ArrangeCartesianElements(Size finalSize)
{
if (Axis == null)
{
return;
}
foreach (UIElement element in Children)
{
SetLeft(element, 0);
SetTop(element, 0);
}
var headerContent = Children[0];
var labelsPanel = LayoutCalc.Count > 0 ? LayoutCalc[0] : null;
var elementsPanel = LayoutCalc.Count > 1 ? LayoutCalc[1] : null;
var multiLevelPanel = Axis.axisMultiLevelLabelsPanel;
var scrollBar = Children.OfType <SfChartResizableBar>().FirstOrDefault();
var elements = new List <UIElement>();
var sizes = new List <Size>();
var isVertical = Axis.Orientation == Orientation.Vertical;
var isInversed = Axis.OpposedPosition ^ isVertical;
double headerMargin = 2; // Add some gap between the axis header and plot area.
if (scrollBar != null)
{
elements.Add(scrollBar);
sizes.Add(scrollBar.DesiredSize);
}
if (elementsPanel != null)
{
if (Axis.TickLinesPosition == AxisElementPosition.Inside)
{
elements.Insert(0, elementsPanel.Panel);
sizes.Insert(0, elementsPanel.DesiredSize);
}
else
{
elements.Add(elementsPanel.Panel);
sizes.Add(elementsPanel.DesiredSize);
}
}
if (labelsPanel != null)
{
if (Axis.LabelsPosition == AxisElementPosition.Inside)
{
elements.Insert(0, labelsPanel.Panel);
sizes.Insert(0, labelsPanel.DesiredSize);
}
else
{
elements.Add(labelsPanel.Panel);
sizes.Add(labelsPanel.DesiredSize);
}
}
if (Axis.MultiLevelLabels != null &&
Axis.MultiLevelLabels.Count > 0 && multiLevelPanel != null)
{
if (Axis.LabelsPosition == AxisElementPosition.Inside)
{
elements.Insert(0, multiLevelPanel.Panel);
sizes.Insert(0, multiLevelPanel.DesiredSize);
}
else
{
elements.Add(multiLevelPanel.Panel);
sizes.Add(multiLevelPanel.DesiredSize);
}
}
if (headerContent != null)
{
elements.Add(headerContent as FrameworkElement);
Size headerSize = (headerContent as FrameworkElement).DesiredSize;
if (isVertical && headerContent.GetType() == typeof(ContentControl))
{
headerSize = new Size(headerSize.Height, headerSize.Width);
}
sizes.Add(headerSize);
}
if (isInversed)
{
elements.Reverse();
sizes.Reverse();
}
double currentPos = 0;
for (int i = 0; i < elements.Count; i++)
{
UIElement element = elements[i];
var isResizableBar = element is SfChartResizableBar;
double headerHeight = 0;
double headerWidth = 0;
if (isVertical)
{
if (element == headerContent)
{
double leftPosition = currentPos - ((element.DesiredSize.Width - sizes[i].Width) / 2);
headerHeight = element.DesiredSize.Height;
headerWidth = element.DesiredSize.Width;
SetTop(element, (finalSize.Height - element.DesiredSize.Height) / 2);
if (Axis.TickLinesPosition == AxisElementPosition.Inside)
{
double tickFactor = (elementsPanel.DesiredSize.Width - Axis.TickLineSize);
// Positioning header according to the axis line thickness.
double position = Axis.OpposedPosition ? leftPosition + tickFactor : leftPosition - tickFactor;
SetLeft(element, position);
}
if (Axis.ShowAxisNextToOrigin && Axis.HeaderPosition == AxisHeaderPosition.Far)
{
ChartAxis axis = null;
double value = 0;
if (Axis.Area.InternalSecondaryAxis == Axis)
{
value = Axis.Area.InternalPrimaryAxis.ValueToCoefficientCalc(Axis.Origin);
axis = Axis.Area.InternalPrimaryAxis;
}
else if (Axis.Area.InternalSecondaryAxis.Orientation == Orientation.Horizontal &&
Axis.Area.InternalPrimaryAxis == Axis)
{
value = Axis.Area.InternalSecondaryAxis.ValueToCoefficientCalc(Axis.Origin);
axis = Axis.Area.InternalSecondaryAxis;
}
if (0 < value && 1 > value && axis != null)
{
if (Axis.OpposedPosition)
{
Rect rect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), Axis.AvailableSize), Axis.Area.AxisThickness);
double position = (1 - value) * (rect.Width - (axis.ActualPlotOffset * 2)) + axis.ActualPlotOffset + Axis.InsidePadding;
if (position > finalSize.Width - headerHeight)
{
if (axis.AxisLayoutPanel is ChartPolarAxisLayoutPanel)
{
SetLeft(element, leftPosition);
}
else
{
SetLeft(element, position - (headerWidth - headerHeight) / 2 + headerMargin);
}
}
else
{
SetLeft(element, leftPosition);
}
}
else if (Axis.ArrangeRect.Left + finalSize.Width - headerHeight > finalSize.Width - headerHeight)
{
if (axis.AxisLayoutPanel is ChartPolarAxisLayoutPanel)
{
SetLeft(element, leftPosition);
}
else
{
SetLeft(element, -(Axis.ArrangeRect.Left + (headerWidth - headerHeight) / 2));
}
}
else
{
SetLeft(element, leftPosition);
}
}
else
{
SetLeft(element, leftPosition);
}
}
else
{
SetLeft(element, leftPosition);
}
}
else if (isResizableBar && Axis.EnableTouchMode)
{
SetLeft(element, currentPos - sizes[i].Width / 2);
continue;
}
else if ((isResizableBar && !Axis.EnableTouchMode) && Axis.TickLinesPosition == AxisElementPosition.Inside)
{
double tickFactor = elementsPanel.DesiredSize.Width - Axis.TickLineSize;
// Positioning scroll bar according to the axis line thickness.
double position = Axis.OpposedPosition ? currentPos + tickFactor : currentPos - tickFactor;
SetLeft(element, position);
}
else
{
SetLeft(element, currentPos);
}
currentPos += sizes[i].Width;
}
else
{
if (element == headerContent)
{
SetLeft(element, (finalSize.Width - sizes[i].Width) / 2);
headerHeight = element.DesiredSize.Height;
if (Axis.TickLinesPosition == AxisElementPosition.Inside)
{
double tickFactor = elementsPanel.DesiredSize.Height - Axis.TickLineSize;
// Positioning header according to the axis line thickness.
double position = Axis.OpposedPosition ? currentPos - tickFactor : currentPos + tickFactor;
SetTop(element, position);
}
if (Axis.ShowAxisNextToOrigin && Axis.HeaderPosition == AxisHeaderPosition.Far)
{
ChartAxis axis = null;
double value = 0;
if (Axis.Area.InternalPrimaryAxis == Axis)
{
value = Axis.Area.InternalSecondaryAxis.ValueToCoefficientCalc(Axis.Origin);
axis = Axis.Area.InternalSecondaryAxis;
}
else if (Axis.Area.InternalPrimaryAxis.Orientation == Orientation.Vertical &&
Axis.Area.InternalSecondaryAxis == Axis)
{
value = Axis.Area.InternalPrimaryAxis.ValueToCoefficientCalc(Axis.Origin);
axis = Axis.Area.InternalPrimaryAxis;
}
if (0 < value && 1 > value && axis != null)
{
Rect rect = ChartLayoutUtils.Subtractthickness(new Rect(new Point(0, 0), Axis.AvailableSize), Axis.Area.AxisThickness);
double position = value * (rect.Height - (axis.ActualPlotOffset * 2)) + axis.ActualPlotOffset + Axis.InsidePadding;
if (Axis.OpposedPosition)
{
if (Axis.ArrangeRect.Top + finalSize.Height - headerHeight > finalSize.Height - headerHeight)
{
SetTop(element, -Axis.ArrangeRect.Top - headerMargin);
}
else
{
SetTop(element, currentPos);
}
}
else if (position > finalSize.Height - headerHeight)
{
SetTop(element, (position + headerMargin));
}
else
{
SetTop(element, currentPos);
}
}
else
{
SetTop(element, currentPos);
}
}
else
{
SetTop(element, currentPos);
}
}
else if (isResizableBar && Axis.EnableTouchMode)
{
SetTop(element, currentPos - sizes[i].Height / 2);
continue;
}
else if ((isResizableBar && !Axis.EnableTouchMode) && Axis.TickLinesPosition == AxisElementPosition.Inside)
{
double tickFactor = elementsPanel.DesiredSize.Height - Axis.TickLineSize;
// Position axis line according to the axis line thickness.
double position = Axis.OpposedPosition ? currentPos - tickFactor : currentPos + tickFactor;
SetTop(element, position);
}
else
{
SetTop(element, currentPos);
}
currentPos += sizes[i].Height;
}
}
foreach (ILayoutCalculator layout in this.LayoutCalc)
{
layout.Arrange(layout.DesiredSize);
}
foreach (UIElement element in elements)
{
if ((element as FrameworkElement).Name == "axisLabelsPanel")
{
SetLabelsPanelBounds(element, labelsPanel);
break;
}
}
// To arrange the children of multi level labels panel
if (Axis.MultiLevelLabels != null &&
Axis.MultiLevelLabels.Count > 0 && multiLevelPanel != null)
{
multiLevelPanel.Arrange(multiLevelPanel.DesiredSize);
}
}
/// <summary>
/// Arranges the elements inside the passing element.
/// </summary>
/// <param name="element">The Element</param>
/// <param name="dock">The Dock Position</param>
/// <param name="rect">The Reference Size <see cref="Rect"/></param>
private void ArrangeElement(UIElement element, ChartDock dock, Rect rect)
{
element.Arrange(ChartLayoutUtils.Subtractthickness(rect, ElementMargin));
}
/// <summary>
/// Computes the size of the <see cref="ChartCartesianAxisPanel"/>.
/// </summary>
/// <param name="availableSize">The Available Size</param>
/// <returns>Returns the computed size.</returns>
internal Size ComputeSize(Size availableSize)
{
Size size = Size.Empty;
if (Axis.AxisLayoutPanel is ChartPolarAxisLayoutPanel)
{
foreach (UIElement element in this.Children)
{
element.Measure(availableSize);
}
(this.Children[0] as FrameworkElement).Visibility = Visibility.Collapsed;//Collapsing the visibility of polar/radar series X-Axis header
foreach (ILayoutCalculator element in this.LayoutCalc)
{
element.Measure(availableSize);
size = element.DesiredSize;
ChartPolarAxisLayoutPanel axisLayoutPanel = Axis.AxisLayoutPanel as ChartPolarAxisLayoutPanel;
ChartCircularAxisPanel circularAxisPanel = element as ChartCircularAxisPanel;
axisLayoutPanel.Radius = circularAxisPanel.Radius;
}
}
else
{
double horizontalPadding = 0;
double verticalPadding = 0;
double width = 0;
double height = 0;
double angle = 0d; //double.IsNaN(this.Axis.HeaderRotationAngle) ? 0d : this.Axis.HeaderRotationAngle;
double direction = 1;
if (Axis.headerContent != null)
{
Axis.headerContent.HorizontalAlignment = HorizontalAlignment.Center;
Axis.headerContent.VerticalAlignment = VerticalAlignment.Center;
if (Axis.Orientation == Orientation.Vertical)
{
direction = this.Axis.OpposedPosition ? 1 : -1;
angle = direction * 90;
var transform = new RotateTransform {
Angle = angle
};
Axis.headerContent.RenderTransform = transform;
}
else
{
Axis.headerContent.RenderTransform = null;
}
}
foreach (UIElement element in this.Children)
{
bool isHeader = Axis.headerContent == element &&
this.Axis.Orientation == Orientation.Vertical;
var measureSize = availableSize;
if (isHeader)
{
measureSize.Width = Math.Max(availableSize.Width, element.DesiredSize.Width);
measureSize.Height = Math.Max(availableSize.Height, element.DesiredSize.Height);
}
element.Measure(measureSize);
if (element is SfChartResizableBar && Axis.EnableTouchMode)
{
continue;
}
width += isHeader ? element.DesiredSize.Height : element.DesiredSize.Width;
height += isHeader ? element.DesiredSize.Width : element.DesiredSize.Height;
}
foreach (ILayoutCalculator element in LayoutCalc)
{
element.Measure(availableSize);
if ((element is ChartCartesianAxisLabelsPanel &&
Axis.LabelsPosition == AxisElementPosition.Inside) ||
(element is ChartCartesianAxisElementsPanel &&
Axis.TickLinesPosition == AxisElementPosition.Inside))
{
horizontalPadding += element.DesiredSize.Width;
verticalPadding += element.DesiredSize.Height;
}
width += element.DesiredSize.Width;
height += element.DesiredSize.Height;
}
// To measure the multi level labels panel
if (Axis.MultiLevelLabels != null && Axis.MultiLevelLabels.Count > 0 &&
Axis.axisMultiLevelLabelsPanel != null)
{
Axis.axisMultiLevelLabelsPanel.Measure(availableSize);
if (Axis.LabelsPosition == AxisElementPosition.Inside)
{
horizontalPadding += Axis.axisMultiLevelLabelsPanel.DesiredSize.Width;
verticalPadding += Axis.axisMultiLevelLabelsPanel.DesiredSize.Height;
}
width += Axis.axisMultiLevelLabelsPanel.DesiredSize.Width;
height += Axis.axisMultiLevelLabelsPanel.DesiredSize.Height;
}
if (Axis.Orientation == Orientation.Vertical)
{
Axis.InsidePadding = horizontalPadding;
size = new Size(width, availableSize.Height);
}
else
{
Axis.InsidePadding = verticalPadding;
size = new Size(availableSize.Width, height);
}
}
return(ChartLayoutUtils.CheckSize(size));
}
