Threshold class

Threshold indicator for chart values.

Inheritance

Constructors

Threshold({Key? key, required double value, ThresholdDirection direction = ThresholdDirection.horizontal, Color color = Colors.red, double width = 2, List<double>? dashPattern, bool showLabel = true, String? label, ThresholdLabelPosition labelPosition = ThresholdLabelPosition.end, TextStyle? labelStyle, Color? labelBackgroundColor, EdgeInsets labelPadding = const EdgeInsets.symmetric(horizontal: 4, vertical: 2), double scale(double value)?})
const

Properties

color → Color
Line color.
final
dashPattern → List<double>?
Line dash pattern (null for solid line).
final
direction → ThresholdDirection
Direction of the threshold line.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → String?
Label text (defaults to threshold value).
final
labelBackgroundColor → Color?
Label background color.
final
labelPadding → EdgeInsets
Label padding.
final
labelPosition → ThresholdLabelPosition
Label position.
final
labelStyle → TextStyle?
Label style.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scale → double Function(double value)?
Scale function to convert value to position.
final
showLabel → bool
Whether to show the label.
final
value → double
The threshold value.
final
width → double
Line width.
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
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