DoughnutSeries<T, D> class Null safety

This class has the properties of the Doughnut series.

To render a doughnut chart, create an instance of DoughnutSeries, and add it to the series collection property of SfCircularChart.

Provide options for opacity, stroke width, stroke color, and point color mapper to customize the appearance.

Inheritance

Constructors

DoughnutSeries({ValueKey<String>? key, ChartSeriesRendererFactory<T, D>? onCreateRenderer, CircularSeriesRendererCreatedCallback? onRendererCreated, List<T>? dataSource, required ChartValueMapper<T, D> xValueMapper, required ChartValueMapper<T, num> yValueMapper, ChartValueMapper<T, Color>? pointColorMapper, ChartShaderMapper<T>? pointShaderMapper, ChartValueMapper<T, String>? pointRadiusMapper, ChartValueMapper<T, String>? dataLabelMapper, ChartValueMapper<T, String>? sortFieldValueMapper, int? startAngle, int? endAngle, String? radius, String? innerRadius, bool? explode, bool? explodeAll, int? explodeIndex, String? explodeOffset, ActivationMode? explodeGesture, double? groupTo, CircularChartGroupMode? groupMode, PointRenderMode? pointRenderMode, EmptyPointSettings? emptyPointSettings, Color? strokeColor, double? strokeWidth, DataLabelSettings? dataLabelSettings, bool? enableTooltip, bool? enableSmartLabels, String? name, double? opacity, double? animationDuration, SelectionSettings? selectionSettings, SelectionBehavior? selectionBehavior, SortingOrder? sortingOrder, LegendIconType? legendIconType, CornerStyle? cornerStyle, List<int>? initialSelectedDataIndexes})
Creating an argument constructor of DoughnutSeries class.

Properties

animationDuration double
Duration for animating the data points. [...]
final, inherited
borderColor Color
Border color of the data points in the series. [...]
final, inherited
borderWidth double
Border width of the data points in the series. [...]
final, inherited
cornerStyle CornerStyle
Specifies the radial bar’s corner type. [...]
final, inherited
dataLabelMapper ChartIndexedValueMapper<String>?
Maps the field name, which will be considered as text for the data points. [...]
final, inherited
dataLabelSettings DataLabelSettings
Toggles the visibility of the tooltip for this series. [...]
final, inherited
dataSource List<T>?
A collection of data required for rendering the series. [...]
final, inherited
emptyPointSettings EmptyPointSettings
Customizes the empty data points in the series [...]
final, inherited
enableSmartLabels bool
Data label placement without collision. [...]
final, inherited
enableTooltip bool
Toggles the visibility of the tooltip for this series. [...]
final, inherited
endAngle int
Ending angle of the series. [...]
final, inherited
explode bool
Enables or disables the explode of slices on tap. [...]
final, inherited
explodeAll bool
Enables or disables exploding all the slices at the initial rendering. [...]
final, inherited
explodeGesture ActivationMode
Gesture for activating the explode. [...]
final, inherited
explodeIndex int?
Index of the slice to explode it at the initial rendering. [...]
final, inherited
explodeOffset String
Offset of exploded slice. The value ranges from 0% to 100%. [...]
final, inherited
gap String
Specifies the gap between the radial bars in percentage. [...]
final, inherited
groupMode CircularChartGroupMode?
Slice can also be grouped based on the data points value or based on index. [...]
final, inherited
groupTo double?
Groups the data points of the series based on their index or values. [...]
final, inherited
hashCode int
The hash code for this object. [...]
read-only, inherited
initialSelectedDataIndexes List<int>
List of data indexes initially selected [...]
read / write, inherited
innerRadius String
Inner radius of the series. [...]
final, inherited
isVisible bool?
Visibility of the series [...]
final, inherited
key ValueKey<String>?
Key to identify a series in a collection. [...]
final, inherited
legendIconType LegendIconType
Shape of the legend icon. [...]
final, inherited
legendItemText String?
Text to be displayed in legend. By default, the series name will be displayed in the legend. You can change this by setting values to this property. [...]
final, inherited
name String?
Name of the series. [...]
final, inherited
onCreateRenderer ChartSeriesRendererFactory<T, D>?
Used to create the renderer for custom series. [...]
final, inherited
onRendererCreated CircularSeriesRendererCreatedCallback?
Triggers when the series renderer is created. [...]
final, inherited
opacity double
Opacity of the series. The value ranges from 0 to 1. [...]
final, inherited
pointColorMapper ChartIndexedValueMapper<Color>?
Maps the field name, which will be considered as x-values. [...]
final, inherited
pointRadiusMapper ChartIndexedValueMapper<String>?
Maps the field name, which will be considered for calculating the radius of all the data points. [...]
final, inherited
pointRenderMode PointRenderMode?
Defines the painting mode of the data points. [...]
final, inherited
pointShaderMapper ChartShaderMapper?
Returns the shaders to fill each data point. [...]
final, inherited
radius String
Radius of the series. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
selectionBehavior SelectionBehavior
Customizes the selection of series. [...]
final, inherited
selectionSettings SelectionSettings
Customizes the selection of series. [...]
final, inherited
sortFieldValueMapper ChartIndexedValueMapper?
Field in the data source for performing sorting. Sorting will be performed based on this field. [...]
final, inherited
sortingOrder SortingOrder
Type of sorting. [...]
final, inherited
startAngle int
Starting angle of the series. [...]
final, inherited
xValueMapper ChartIndexedValueMapper<D>?
Maps the field name, which will be considered as x-values. [...]
final, inherited
yValueMapper ChartIndexedValueMapper<num>?
Maps the field name, which will be considered as y-values. [...]
final, inherited

Methods

calculateEmptyPointValue(int pointIndex, ChartPoint currentPoint, [CircularSeriesRenderer? seriesRenderer]) → void
To calculate empty point values
inherited
createRenderer(CircularSeries<T, D> series) DoughnutSeriesRenderer?
Create the circular series renderer.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited