HeatmapGrid class

Grid of heatmap cells with automatic sizing.

Inheritance

Constructors

HeatmapGrid({Key? key, required List<List<double>> values, required double minValue, required double maxValue, Color startColor = const Color(0xFF2166AC), Color endColor = const Color(0xFFB2182B), double cellRadius = 2, double cellPadding = 1, bool showValues = false, TextStyle? valueStyle, void onCellTap(int row, int column, double value)?})
const

Properties

cellPadding → double
Cell padding.
final
cellRadius → double
Cell corner radius.
final
endColor → Color
End color for gradient.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maxValue → double
Maximum value for color scale.
final
minValue → double
Minimum value for color scale.
final
onCellTap → void Function(int row, int column, double value)?
Callback when a cell is tapped.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showValues → bool
Whether to show values in cells.
final
startColor → Color
Start color for gradient.
final
values → List<List<double>>
2D list of values (rows x columns).
final
valueStyle → TextStyle?
Value text style.
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