Heatmap class

Heatmap widget for visualizing matrix data.

Inheritance

Constructors

Heatmap({Key? key, required List<HeatmapDataPoint> data, required int rows, required int columns, required HeatmapColorScale colorScale, List<String>? rowLabels, List<String>? columnLabels, double cellPadding = 1, double cellRadius = 0, bool showValues = false, TextStyle? valueStyle, Color? borderColor, double borderWidth = 0, void onCellTap(HeatmapDataPoint point)?, void onCellHover(HeatmapDataPoint? point)?})
const

Properties

borderColor → Color?
Cell border color.
final
borderWidth → double
Cell border width.
final
cellPadding → double
Cell padding.
final
cellRadius → double
Cell corner radius.
final
colorScale → HeatmapColorScale
Color scale configuration.
final
columnLabels → List<String>?
Column labels.
final
columns → int
Number of columns.
final
data → List<HeatmapDataPoint>
Data points for the heatmap.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onCellHover → void Function(HeatmapDataPoint? point)?
Callback when a cell is hovered.
final
onCellTap → void Function(HeatmapDataPoint point)?
Callback when a cell is tapped.
final
rowLabels → List<String>?
Row labels.
final
rows → int
Number of rows.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showValues → bool
Whether to show cell values.
final
valueStyle → TextStyle?
Cell value text style.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<Heatmap>
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
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