/// <summary>
/// Initializes a new instance of the <see cref="CartesianChart"/> class.
/// </summary>
/// <param name="tooltip">The default tool tip control.</param>
/// <param name="legend">The default legend control.</param>
public CartesianChart(IChartTooltip <SkiaSharpDrawingContext>?tooltip = null, IChartLegend <SkiaSharpDrawingContext>?legend = null)
: base(tooltip, legend)
{
seriesObserver = new CollectionDeepObserver <ISeries>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
xObserver = new CollectionDeepObserver <IAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
yObserver = new CollectionDeepObserver <IAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
XAxes = new List <IAxis>()
{
new Axis()
};
YAxes = new List <IAxis>()
{
new Axis()
};
Series = new ObservableCollection <ISeries>();
var c = Controls[0].Controls[0];
c.MouseWheel += OnMouseWheel;
c.MouseDown += OnMouseDown;
c.MouseMove += OnMoseMove;
c.MouseUp += OnMouseUp;
panningThrottler = new ActionThrottler(DoPan, TimeSpan.FromMilliseconds(30));
}
/// <summary>
/// Initializes a new instance of the <see cref="PieChart"/> class.
/// </summary>
/// <param name="tooltip">The default tool tip control.</param>
/// <param name="legend">The default legend.</param>
public PieChart(IChartTooltip <SkiaSharpDrawingContext>?tooltip = null, IChartLegend <SkiaSharpDrawingContext>?legend = null)
: base(tooltip, legend)
{
_seriesObserver = new CollectionDeepObserver <ISeries>(
(object?sender, NotifyCollectionChangedEventArgs e) =>
{
if (sender is IStopNPC stop && !stop.IsNotifyingChanges)
{
return;
}
OnPropertyChanged();
},
(object?sender, PropertyChangedEventArgs e) =>
{
if (sender is IStopNPC stop && !stop.IsNotifyingChanges)
{
return;
}
OnPropertyChanged();
},
true);
var c = Controls[0].Controls[0];
c.MouseDown += OnMouseDown;
}
/// <summary>
/// Initializes a new instance of the <see cref="CartesianChart"/> class.
/// </summary>
/// <param name="tooltip">The default tool tip control.</param>
/// <param name="legend">The default legend control.</param>
public CartesianChart(IChartTooltip <SkiaSharpDrawingContext>?tooltip = null, IChartLegend <SkiaSharpDrawingContext>?legend = null)
: base(tooltip, legend)
{
_seriesObserver = new CollectionDeepObserver <ISeries>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
_xObserver = new CollectionDeepObserver <ICartesianAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
_yObserver = new CollectionDeepObserver <ICartesianAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
_sectionsObserverer = new CollectionDeepObserver <Section <SkiaSharpDrawingContext> >(
OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
XAxes = new List <ICartesianAxis>()
{
LiveCharts.CurrentSettings.AxisProvider()
};
YAxes = new List <ICartesianAxis>()
{
LiveCharts.CurrentSettings.AxisProvider()
};
Series = new ObservableCollection <ISeries>();
var c = Controls[0].Controls[0];
c.MouseWheel += OnMouseWheel;
c.MouseDown += OnMouseDown;
c.MouseUp += OnMouseUp;
}
public ChartItem()
{
SeriesCollection = new SeriesCollection();
DateTimeFormatter = ticks =>
(ticks >= DateTime.MinValue.Ticks && ticks <= DateTime.MaxValue.Ticks) ?
new DateTime((long)ticks).ToString("mm:ss") : string.Empty;
AxisStep = TimeSpan.FromSeconds(5).Ticks;
MaxX = MinX = MaxY = double.NaN;
MinY = 0;
DataTooltip = null;
SetAxisLimits(DateTime.Now);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (!(Template.FindName("canvas", this) is NaturalGeometriesCanvas canvas))
{
throw new Exception(
$"{nameof(SKElement)} not found. This was probably caused because the control {nameof(CartesianChart)} template was overridden, " +
$"If you override the template please add an {nameof(NaturalGeometriesCanvas)} to the template and name it 'canvas'");
}
this.canvas = canvas;
core = new ChartCore <SkiaDrawingContext>(this, canvas.CanvasCore);
legend = Template.FindName("legend", this) as IChartLegend <SkiaDrawingContext>;
tooltip = Template.FindName("tooltip", this) as IChartTooltip <SkiaDrawingContext>;
core.Update();
}
private void UpdateThrottlerUnlocked()
{
// before measure every element in the chart
// we copy the properties that might change while we are updating the chart
// this call should be thread safe
// ToDo: ensure it is thread safe...
viewDrawMargin = chartView.DrawMargin;
controlSize = chartView.ControlSize;
yAxes = chartView.YAxes.Select(x => x.Copy()).ToArray();
xAxes = chartView.XAxes.Select(x => x.Copy()).ToArray();
measureWorker = new object();
series = chartView.Series.Select(series =>
{
// a good implementation of ISeries<T>
// must use the measureWorker to identify
// if the points are already fetched.
// this way no matter if the Series.Values collection changes
// the fetch method will always return the same collection for the
// current measureWorker instance
series.Fetch(this);
return(series);
}).ToArray();
legendPosition = chartView.LegendPosition;
legendOrientation = chartView.LegendOrientation;
legend = chartView.Legend; // ... this is a reference type.. this has no sense
tooltipPosition = chartView.TooltipPosition;
tooltipFindingStrategy = chartView.TooltipFindingStrategy;
tooltip = chartView.Tooltip; //... no sense again...
animationsSpeed = chartView.AnimationsSpeed;
easingFunction = chartView.EasingFunction;
Measure();
}
/// <summary>
/// Initializes a new instance of the <see cref="PieChart"/> class.
/// </summary>
/// <param name="tooltip">The default tool tip control.</param>
/// <param name="legend">The default legend.</param>
public PieChart(IChartTooltip <SkiaSharpDrawingContext>?tooltip = null, IChartLegend <SkiaSharpDrawingContext>?legend = null)
: base(tooltip, legend)
{
_seriesObserver = new CollectionDeepObserver <ISeries>(
(object?sender, NotifyCollectionChangedEventArgs e) =>
{
if (core == null)
{
return;
}
core.Update();
},
(object?sender, PropertyChangedEventArgs e) =>
{
if (core == null)
{
return;
}
core.Update();
},
true);
}
/// <summary>
/// Initializes a new instance of the <see cref="PolarChart"/> class.
/// </summary>
/// <param name="tooltip">The default tool tip control.</param>
/// <param name="legend">The default legend control.</param>
public PolarChart(IChartTooltip <SkiaSharpDrawingContext>?tooltip = null, IChartLegend <SkiaSharpDrawingContext>?legend = null)
: base(tooltip, legend)
{
_seriesObserver = new CollectionDeepObserver <ISeries>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
_angleObserver = new CollectionDeepObserver <IPolarAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
_radiusObserver = new CollectionDeepObserver <IPolarAxis>(OnDeepCollectionChanged, OnDeepCollectionPropertyChanged, true);
AngleAxes = new List <IPolarAxis>()
{
LiveCharts.CurrentSettings.PolarAxisProvider()
};
RadiusAxes = new List <IPolarAxis>()
{
LiveCharts.CurrentSettings.PolarAxisProvider()
};
Series = new ObservableCollection <ISeries>();
var c = Controls[0].Controls[0];
c.MouseWheel += OnMouseWheel;
c.MouseDown += OnMouseDown;
c.MouseUp += OnMouseUp;
}
