RangeAnnotation<D> class

Chart behavior that annotates domain ranges with a solid fill color.

The annotations will be drawn underneath series data and chart axes.

This is typically used for line charts to call out sections of the data range.

TODO: Support labels.

Implemented types

Constructors

RangeAnnotation(List<AnnotationSegment<Object>> annotations, {Color? defaultColor, AnnotationLabelAnchor? defaultLabelAnchor, AnnotationLabelDirection? defaultLabelDirection, AnnotationLabelPosition? defaultLabelPosition, TextStyleSpec? defaultLabelStyleSpec, bool? extendAxis, int? labelPadding, double? defaultStrokeWidthPx, int? layoutPaintOrder})

Properties

annotations List<AnnotationSegment<Object>>
List of annotations to render on the chart.
final
defaultColor Color
Default color for annotations.
final
defaultLabelAnchor AnnotationLabelAnchor
Configures where to anchor annotation label text.
final
defaultLabelDirection AnnotationLabelDirection
Direction of label text on the annotations.
final
defaultLabelPosition AnnotationLabelPosition
Configures where to place labels relative to the annotation.
final
defaultLabelStyleSpec TextStyleSpec
Configures the style of label text.
final
defaultStrokeWidthPx double
Configures the stroke width for line annotations.
final
extendAxis bool
Whether or not the range of the axis should be extended to include the annotation start and end values.
final
hashCode int
The hash code for this object.
no setterinherited
labelPadding int
Space before and after label text.
final
layoutPaintOrder int
Configures the order in which the behavior should be painted. This value should be relative to LayoutPaintViewOrder.rangeAnnotation. (e.g. LayoutViewPaintOrder.rangeAnnotation + 1)
final
role String
no setteroverride
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

attachTo(BaseChart<D> chart) → void
Injects the behavior into a chart.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
removeFrom(BaseChart<D> chart) → void
Removes the behavior from a chart.
override
shouldShowLabels(AnnotationSegment<Object> annotation) bool
Sub-classes can override this method to control label visibility.
toString() String
A string representation of this object.
inherited

Operators

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