ChartDataValueReader class
Defensive helpers for chart data payloads that can arrive as decoded JSON, typed Dart maps, or hand-written object literals.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
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
Static Methods
-
bounds(
Iterable< List?> dataSets) → ChartCartesianBounds? -
cartesian(
Object? item, int fallbackIndex) → ChartPointValue? -
numeric(
Object? value) → double? -
ohlcCloseValueOrNull(
Object? item) → double? - Reads the close price from an OHLC/candlestick row.
-
yValue(
Object? item, {double fallback = 0}) → double -
yValueOrNull(
Object? item) → double?