BarLabelRotationConfig class

Standard bar chart where X-axis category labels are rendered at a configurable rotation angle (default 45°). Useful for long labels.

JSON:

{ "type": "barLabelRotation", "labelRotation": 45,
  "categories": ["January","February","March","April"],
  "series": [{ "name": "Revenue", "data": [820,932,901,934] }] }
Inheritance

Constructors

BarLabelRotationConfig({required List<String> categories, required List<Series> series, ChartTheme theme = ChartTheme.light, double labelRotation = 45.0, double barWidthRatio = 0.55, bool showValues = false, TitlesData? title, ChartTooltip? tooltip, ChartLegend? legend, ChartToolbox? toolbox, GridData? grid})
BarLabelRotationConfig.fromJson(Map<String, dynamic> j)
factory

Properties

apiContract → ChartApiContract
Shared API contract for all config-driven chart families.
no setterinherited
barWidthRatio → double
final
categories → List<String>
final
controller → ChartController?
finalinherited
grid → GridData?
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
labelRotation → double
final
legend → ChartLegend?
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
series → List<Series>
finalinherited
showValues → bool
final
theme → ChartTheme
final
title → TitlesData?
finalinherited
toolbox → ChartToolbox?
finalinherited
tooltip → ChartTooltip?
finalinherited
type → ChartType
finalinherited
xAxisConfig → ChartAxisConfig?
finalinherited
yAxisConfig → ChartAxisConfig?
finalinherited

Methods

buildChart() → Widget
Method to create the appropriate chart widget
override
getMaxSeriesValue() → double
Safe maximum value with 10% headroom.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
supportsApiField(String field) → bool
inherited
toJson() → Map<String, dynamic>
Convert configuration to JSON
override
toString() → String
A string representation of this object.
inherited
withController(ChartController controller) → BaseChartConfig
Override in concrete configs to return a controller-attached copy.
inherited
withTheme(ChartTheme theme) → BaseChartConfig
Override in concrete configs to return a themed copy.
inherited

Operators

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