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

SCIPieChartLegendModifier

@interface SCIPieChartLegendModifier : SCIPieChartModifierBase <ISCIThemeable>

Defines a custom chart modifier which shows a Legend on the SCIPieChartSurface and also can provide a data-source via SCIPieChartLegendModifier.sourceMode property.

  • Gets or sets the position of the current SCIPieChartLegendModifier instance.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) SCIAlignment position;

    Swift

    var position: SCIAlignment { get set }
  • Gets or sets the margins to position of the current ‘SCIPieChartLegendModifier’ instance

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) UIEdgeInsets margins;

    Swift

    var margins: UIEdgeInsets { get set }
  • Gets or sets the orientation of the current SCIPieChartLegendModifier instance.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) SCIOrientation orientation;

    Swift

    var orientation: SCIOrientation { get set }
  • Gets or sets whether the legend should be displayed.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) BOOL showLegend;

    Swift

    var showLegend: Bool { get set }
  • Gets or sets whether the legend should display checkboxes.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) BOOL showCheckBoxes;

    Swift

    var showCheckBoxes: Bool { get set }
  • Gets or sets whether the legend should display series markers.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) BOOL showSeriesMarkers;

    Swift

    var showSeriesMarkers: Bool { get set }
  • Gets or sets the SCISourceMode value for legend.

    Declaration

    Objective-C

    @property (assign, readwrite, nonatomic) SCISourceMode sourceMode;

    Swift

    var sourceMode: SCISourceMode { get set }
  • Pie or donut renderable series which segments SCIPieChartLegendModifier used as dataSource.

    Declaration

    Objective-C

    @property (readwrite, nonatomic)
        id<ISCIPieRenderableSeries> _Nullable sourceSeries;
  • Creates a new instance of SCIPieChartLegendModifier class.

    Declaration

    Objective-C

    - (nonnull instancetype)initWithLegend:(nonnull SCIChartLegend *)legend;

    Swift

    init(legend: SCIChartLegend)

    Parameters

    legend

    The SCIChartLegend instance which should be used by this modifier.

  • Creates a new instance of SCIPieChartLegendModifier class.

    Declaration

    Objective-C

    - (nonnull instancetype)initWithLegend:(nonnull SCIChartLegend *)legend
                                dataSource:(nonnull SCILegendDataSource *)dataSource
                          useAutoPlacement:(BOOL)useAutoPlacement;

    Swift

    init(legend: SCIChartLegend, dataSource: SCILegendDataSource, useAutoPlacement: Bool)

    Parameters

    legend

    The SCIChartLegend instance which should be used by this modifier.

    dataSource

    The SCILegendDataSource instance which should be used by legend.

    useAutoPlacement

    If true modifier will try to place legend inside chart, otherwise legend is already placed somewhere and shouldn’t be moved.

  • Refreshes content of the legend with up-to-date values

    Declaration

    Objective-C

    - (void)updateLegend;

    Swift

    func updateLegend()