DataItem class

Represents a single data point used in charts.

Each DataItem holds an identifier, a display label, a numeric value, an optional custom color, and a selection state.

Constructors

DataItem({required dynamic id, required String label, required double value, Color? color, bool selected = false})

Creates a DataItem.

Properties

color ↔ Color?

An optional color used to render this data point.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

id ↔ dynamic

A unique identifier for this data item.

getter/setter pair

label ↔ String

The display label shown alongside the data point (e.g., in legends and labels).

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

selected ↔ bool

Whether this data point is currently selected.

getter/setter pair

value ↔ double

The numeric value of this data point.

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited