ChartInteractionLayer class

Inheritance
Available extensions

Constructors

ChartInteractionLayer({Key? key, required ChartZoomController zoomController, required Widget child, void onTap(double fraction)?, void onCrosshairMove(double fraction)?, void onCrosshairEnd()?, void onDoubleTap(double fraction)?})
const

Properties

apiContract → ChartApiContract?

Available on Widget, provided by the ChartWidgetApiContractExtension extension

no setter
child → Widget
The chart widget rendered underneath this interaction layer.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onCrosshairEnd → void Function()?
Called when the crosshair is dismissed (finger lifted).
final
onCrosshairMove → void Function(double fraction)?
Called during a long-press drag (crosshair tracking).
final
onDoubleTap → void Function(double fraction)?
Called when the user double-taps — useful to trigger drill-down.
final
onTap → void Function(double fraction)?
Called when the user taps a data point. fraction is the x-position in 0..1 of the full data range.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
zoomController → ChartZoomController
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ChartInteractionLayer>
Creates the mutable state for this widget at a given location in the tree.
override
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