Class SFChartTrackballBehavior

This class is used to enable trackball in SFChart. An instance of this class need to be added to Behaviors collection.

Inheritance

System.Object

SFChartBehavior

SFChartTrackballBehavior

Inherited Members

SFChartBehavior.AdornmentLayer

SFChartBehavior.Chart

SFChartBehavior.TouchesCancelled(NSSet, UIEvent)

Namespace: Syncfusion.SfChart.iOS

Assembly: Syncfusion.SFChart.iOS.dll

Syntax

public class SFChartTrackballBehavior : SFChartBehavior

Constructors

SFChartTrackballBehavior()

Declaration

public SFChartTrackballBehavior()

Properties

ActivationMode

Gets or sets the value that indicates whether to activate trackball based on the specified touch mode.

Declaration

public SFChartTrackballActivationMode ActivationMode { get; set; }

Property Value

Type	Description
SFChartTrackballActivationMode	The activate mode.

LabelDisplayMode

Gets or sets the value that indicates whether to display labels for all the data points or only to the nearest data point in trackball.

Declaration

public SFChartTrackballLabelDisplayMode LabelDisplayMode { get; set; }

Property Value

Type
SFChartTrackballLabelDisplayMode

LabelStyle

Gets the customized style for the trackball label.

Declaration

public SFChartTrackballLabelStyle LabelStyle { get; }

Property Value

Type
SFChartTrackballLabelStyle

LineStyle

Gets the customized style for the trackball line.

Declaration

public SFChartTrackballLineStyle LineStyle { get; }

Property Value

Type
SFChartTrackballLineStyle

MarkerStyle

Gets the customized style for the trackball marker.

Declaration

public SFChartTrackballMarkerStyle MarkerStyle { get; }

Property Value

Type
SFChartTrackballMarkerStyle

TrackballPointsInfo

Gets the trackball points info.

Declaration

public List<SFChartPointInfo> TrackballPointsInfo { get; }

Property Value

Type
System.Collections.Generic.List<SFChartPointInfo>

Methods

Dispose(Boolean)

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing

DrawInContext(CGContext)

Declaration

public override void DrawInContext(CGContext context)

Parameters

Type	Name	Description
CoreGraphics.CGContext	context

Overrides

SFChartBehavior.DrawInContext(CGContext)

DrawMarker(CGRect, SFChartPointInfo)

Draws the marker.

Declaration

public virtual void DrawMarker(CGRect rect, SFChartPointInfo pointInfo)

Parameters

Type	Name	Description
CoreGraphics.CGRect	rect	The rectangle.
SFChartPointInfo	pointInfo	Point info.

DrawRect(CGRect, SFChartPointInfo)

Draws the rectangle.

Declaration

public virtual void DrawRect(CGRect rect, SFChartPointInfo pointInfo)

Parameters

Type	Name	Description
CoreGraphics.CGRect	rect	The rectangle.
SFChartPointInfo	pointInfo	Point info.

DrawTrackballAxisLabel(String, SFAxis, CGPoint, SFChartPointInfo)

Draws the trackball axis label, Called via the -display method when the `contents' property is being updated. Default implementation for each trackball axis label. You can get a reference to the graphics context using the UIGraphics.GetCurrentContext() function, but do not establish a strong reference to the graphics context because it can change between calls to the DrawTrackballAxisLabel method.

Declaration

public virtual void DrawTrackballAxisLabel(string label, SFAxis axis, CGPoint point, SFChartPointInfo pointInfo)

Parameters

Type	Name	Description
System.String	label	The trackball label of axis.
SFAxis	axis	The axis of trackball point.
CoreGraphics.CGPoint	point	The point is representing the start point of axis track..
SFChartPointInfo	pointInfo	The point is representing the start point information of axis track.

DrawTrackballGroupedLabels(List<SFChartPointInfo>, CGPoint, CGRect)

Draws the trackball grouped labels, Called via the -display method when the `contents' property is being updated. Default implementation for each trackball grouped labels. You can get a reference to the graphics context using the UIGraphics.GetCurrentContext() function, but do not establish a strong reference to the graphics context because it can change between calls to the DrawTrackballGroupedLabels method.

Declaration

public virtual void DrawTrackballGroupedLabels(List<SFChartPointInfo> pointsInfo, CGPoint connectorPoint, CGRect groupedLabelsRect)

Parameters

Type	Name	Description
System.Collections.Generic.List<SFChartPointInfo>	pointsInfo	The array which specifies the grouped trackball points information.
CoreGraphics.CGPoint	connectorPoint	The point is representing the start point of axis track.
CoreGraphics.CGRect	groupedLabelsRect	The rectangle in which to draw the label.

DrawTrackballLabel(SFChartPointInfo, CGRect)

Called via the -display method when the `contents' property is being updated. Default implementation for each trackball label. You can get a reference to the graphics context using the UIGraphics.GetCurrentContext() function, but do not establish a strong reference to the graphics context because it can change between calls to the DrawTrackballLabel method.

Declaration

public virtual void DrawTrackballLabel(SFChartPointInfo pointInfo, CGRect labelRect)

Parameters

Type	Name	Description
SFChartPointInfo	pointInfo	The SFSFChartPointInfo which specifies the trackball point information.
CoreGraphics.CGRect	labelRect	The rectangle in which to draw the label.

DrawTrackballLine(CGPoint, CGPoint)

Draws the trackball line.

Declaration

public virtual void DrawTrackballLine(CGPoint startPoint, CGPoint endPoint)

Parameters

Type	Name	Description
CoreGraphics.CGPoint	startPoint	Start point.
CoreGraphics.CGPoint	endPoint	End point.

Hide()

Hide this Trackball.

Declaration

public virtual void Hide()

HitTest(Single, Single)

Method to check whether the point is in trackball or not.

Declaration

public virtual bool HitTest(float pointX, float pointY)

Parameters

Type	Name	Description
System.Single	pointX	The x point
System.Single	pointY	The y point

Returns

Type	Description
System.Boolean	Point is in trackball or not

LongPressWithGestureRecognizer(UILongPressGestureRecognizer)

Longs the press with gesture recognizer.

Declaration

public virtual void LongPressWithGestureRecognizer(UILongPressGestureRecognizer longPressGestureRecognizer)

Parameters

Type	Name	Description
UIKit.UILongPressGestureRecognizer	longPressGestureRecognizer	Long press gesture recognizer.

Show(CGPoint)

Show the specified point of trackball.

Declaration

public virtual void Show(CGPoint point)

Parameters

Type	Name	Description
CoreGraphics.CGPoint	point	The location point of SfChart.

TouchesBegan(NSSet, UIEvent)

Declaration

public override void TouchesBegan(NSSet touches, UIEvent uiEvent)

Parameters

Type	Name	Description
Foundation.NSSet	touches
UIKit.UIEvent	uiEvent

Overrides

SFChartBehavior.TouchesBegan(NSSet, UIEvent)

TouchesEnded(NSSet, UIEvent)

Declaration

public override void TouchesEnded(NSSet touches, UIEvent uiEvent)

Parameters

Type	Name	Description
Foundation.NSSet	touches
UIKit.UIEvent	uiEvent

Overrides

SFChartBehavior.TouchesEnded(NSSet, UIEvent)

TouchesMoved(NSSet, UIEvent)

Declaration

public override void TouchesMoved(NSSet touches, UIEvent uiEvent)

Parameters

Type	Name	Description
Foundation.NSSet	touches
UIKit.UIEvent	uiEvent

Overrides

SFChartBehavior.TouchesMoved(NSSet, UIEvent)

TrackballAxisLabelsGenerate(List<SFChartPointInfo>)

This method is called by the axis trackball labels when it is generated.

Declaration

public virtual void TrackballAxisLabelsGenerate(List<SFChartPointInfo> pointsInfo)

Parameters

Type	Name	Description
System.Collections.Generic.List<SFChartPointInfo>	pointsInfo	The list which specifies the generated trackball points information.

TrackballLabelsGenerated(List<SFChartPointInfo>)

This method is called by the trackball labels when it is generated.

Declaration

public virtual void TrackballLabelsGenerated(List<SFChartPointInfo> pointsInfo)

Parameters

Type	Name	Description
System.Collections.Generic.List<SFChartPointInfo>	pointsInfo	The array which specifies the generated trackball points information.

ViewForAxisLabel(SFAxis, SFChartPointInfo)

This method is used for setting custom view for trackball label except financial series.

Declaration

public virtual UIView ViewForAxisLabel(SFAxis axis, SFChartPointInfo pointInfo)

Parameters

Type	Name	Description
SFAxis	axis	The axis of trackball point.
SFChartPointInfo	pointInfo	The SFSFChartPointInfo which specifies the trackball point information.

Returns

Type	Description
UIKit.UIView	The for axis label.

ViewForGroupedTrackballLabel(NSMutableArray)

Declaration

public virtual UIView ViewForGroupedTrackballLabel(NSMutableArray pointsInfo)

Parameters

Type	Name	Description
Foundation.NSMutableArray	pointsInfo

Returns

Type
UIKit.UIView

ViewForGroupedTrackballLabel(List<SFChartPointInfo>)

This method is used for setting custom view for trackball label except financial series.

Declaration

public virtual UIView ViewForGroupedTrackballLabel(List<SFChartPointInfo> pointsInfo)

Parameters

Type	Name	Description
System.Collections.Generic.List<SFChartPointInfo>	pointsInfo	The array which specifies the grouped trackball points information.

Returns

Type	Description
UIKit.UIView	The for grouped trackball label.

ViewForTrackballLabel(SFChartPointInfo)

This method is used for setting custom view for trackball label except financial series.

Declaration

public virtual UIView ViewForTrackballLabel(SFChartPointInfo pointInfo)

Parameters

Type	Name	Description
SFChartPointInfo	pointInfo	The SFSFChartPointInfo which specifies the trackball point information.

Returns

Type	Description
UIKit.UIView	Trackball label custom view.