SimpleStepChart class

A stepped trend chart for values that hold until a change point.

Inheritance
Available extensions

Constructors

SimpleStepChart({Key? key, required List<SimpleTrendSeries> series, SimpleTrendChartStyle style = SimpleTrendChartStyle.elegant, SimpleStepChartMode mode = SimpleStepChartMode.after, double? minValue, double? maxValue, double height = 240, EdgeInsets padding = _defaultPadding, Color? lineColor, Color? fillColor, Color? gridColor, Color? axisColor, Color? activeColor, TextStyle? labelStyle, TextStyle? valueStyle, bool includeZero = false, bool showGrid = true, bool showDots = true, bool showValues = true, bool showArea = false, bool showLegend = true, bool showTooltip = true, bool showActiveStep = true, List<SimpleChartReferenceLine> referenceLines = const [], List<SimpleChartReferenceBand> referenceBands = const [], double? strokeWidth, double? dotRadius, double? fillOpacity, int gridLineCount = 4, SimpleTrendValueFormatter? valueFormatter, SimpleTrendPointTapCallback? onPointTap, SimpleTrendTooltipBuilder? tooltipBuilder, WidgetBuilder? emptyBuilder, String? semanticLabel, bool excludeFromSemantics = false, Duration animationDuration = const Duration(milliseconds: 700), Curve animationCurve = Curves.easeOutCubic})
const

Properties

activeColor → Color?
final
animationCurve → Curve
final
animationDuration → Duration
final
apiContract → ChartApiContract?

Available on Widget, provided by the ChartWidgetApiContractExtension extension

no setter
axisColor → Color?
final
dotRadius → double?
final
emptyBuilder → WidgetBuilder?
final
excludeFromSemantics → bool
final
fillColor → Color?
final
fillOpacity → double?
final
gridColor → Color?
final
gridLineCount → int
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
final
includeZero → bool
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelStyle → TextStyle?
final
lineColor → Color?
final
maxValue → double?
final
minValue → double?
final
mode → SimpleStepChartMode
final
onPointTap → SimpleTrendPointTapCallback?
final
padding → EdgeInsets
final
referenceBands → List<SimpleChartReferenceBand>
final
referenceLines → List<SimpleChartReferenceLine>
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticLabel → String?
final
series → List<SimpleTrendSeries>
final
showActiveStep → bool
final
showArea → bool
final
showDots → bool
final
showGrid → bool
final
showLegend → bool
final
showTooltip → bool
final
showValues → bool
final
strokeWidth → double?
final
style → SimpleTrendChartStyle
final
tooltipBuilder → SimpleTrendTooltipBuilder?
final
valueFormatter → SimpleTrendValueFormatter?
final
valueStyle → TextStyle?
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
recommendsApiField(String field) → bool

Available on Widget, provided by the ChartWidgetApiContractExtension extension

supportsApiField(String field) → bool

Available on Widget, provided by the ChartWidgetApiContractExtension extension

toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

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