iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

SCILayoutManagerBase

@interface SCILayoutManagerBase : NSObject <ISCILayoutManager>

Base class for implementation of custom LayoutManager.


                        
                        
                        services

Gets the ISCIServiceContainer instance which provides access to services.

Declaration

Objective-C

@property (nonatomic, weak, nullable) id<ISCIServiceContainer> services;

Swift

weak var services: (any ISCIServiceContainer)? { get set }


                        
                        
                        parentSurface

Gets the parent surface that this instance is associated with.

Declaration

Objective-C

@property (nonatomic, weak, nullable) id<ISCIChartSurface> parentSurface;

Swift

weak var parentSurface: (any ISCIChartSurface)? { get set }


                        
                        
                        -notifyOnAxisAlignmentChanged:oldValue:newValue:

Notify all annotations which are attached to axis about changing of axis alignment.

Declaration

Objective-C

- (void)notifyOnAxisAlignmentChanged:(nonnull id<ISCIAxis>)axis
                            oldValue:(SCIAxisAlignment)oldValue
                            newValue:(SCIAxisAlignment)newValue;

Swift

func notify(onAxisAlignmentChanged axis: any ISCIAxis, oldValue: SCIAxisAlignment, newValue: SCIAxisAlignment)

Parameters

`axis`	axis which has been changed.
`oldValue`	old axis alignment.
`newValue`	new axis alignment.


                        
                        
                        -layoutChartCenterWithLeft:top:right:bottom:

Layout center parts of charts such as ISCIRenderableSeriesArea andISCIChartModifierSurface`.

Declaration

Objective-C

- (void)layoutChartCenterWithLeft:(CGFloat)left
                              top:(CGFloat)top
                            right:(CGFloat)right
                           bottom:(CGFloat)bottom;

Swift

func layoutChartCenter(withLeft left: CGFloat, top: CGFloat, right: CGFloat, bottom: CGFloat)

Parameters

`left`	left position of area relative to parent `SCIChartSurface`.
`top`	top position of area relative to parent `SCIChartSurface`.
`right`	right position of area relative to parent `SCIChartSurface`.
`bottom`	bottom position of area relative to parent `SCIChartSurface`.