NiceHeatMap class

A heat map for visualizing matrix data

Inheritance
Available extensions

Constructors

NiceHeatMap({Key? key, required List<List<double>> data, List<String>? rowLabels, List<String>? columnLabels, Color lowColor = const Color(0xFFE3F2FD), Color highColor = const Color(0xFF1565C0), double cellSize = 40, double cellSpacing = 2, bool showValues = true, void onCellTap(int row, int col, double value)?, String valueFormatter(double)?})
const

Properties

cellSize → double
final
cellSpacing → double
final
columnLabels → List<String>?
final
data → List<List<double>>
final
hashCode → int
The hash code for this object.
no setterinherited
highColor → Color
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
lowColor → Color
final
onCellTap → void Function(int row, int col, double value)?
final
rowLabels → List<String>?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showValues → bool
final
valueFormatter → String Function(double)?
final

Methods

asFocusable({FocusNode? focusNode, bool autofocus = false}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as focusable.
asSemanticButton({String? label, VoidCallback? onTap}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a button for screen readers.
asSemanticHeading(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a heading for screen readers.
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
excludeFromSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Exclude this widget from the semantic tree.
mergeSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Merge semantics of child widgets.
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
withSemanticLabel(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Add a semantic label to this widget.

Operators

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