StacFractionallySizedBox class

A Stac widget that sizes its child to a fraction of the available space.

This widget corresponds to Flutter's FractionallySizedBox and sizes its child to a fraction of the total available space.

{@tool snippet} Dart Example:

const StacFractionallySizedBox(
  widthFactor: 0.8,
  heightFactor: 0.6,
  alignment: StacAlignment.center,
  child: StacContainer(color: '#FF0000'),
)

{@end-tool}

{@tool snippet} JSON Example:

{
  "type": "fractionallySizedBox",
  "widthFactor": 0.8,
  "heightFactor": 0.6,
  "alignment": "center",
  "child": {"type": "container", "color": "#FF0000"}
}

{@end-tool}

Inheritance

• Object
• StacElement
• StacWidget
• StacFractionallySizedBox

Available extensions

• StacWidgetParser

Annotations

• @JsonSerializable.new()

Constructors

StacFractionallySizedBox({double? widthFactor, double? heightFactor, StacAlignment? alignment, StacWidget? child})

Creates a fractionally sized box with optional size factors and alignment.

const

StacFractionallySizedBox.fromJson(Map<String, dynamic> json)

Creates a StacFractionallySizedBox from a JSON map.

factory

Properties

alignment → StacAlignment?

How to align the child within the available space.

final

child → StacWidget?

The widget to size fractionally.

final

hashCode → int

The hash code for this object.

no setter, inherited

heightFactor → double?

The fraction of the available height to use (0.0 to 1.0).

final

jsonData → Map<String, dynamic>?

Raw JSON data for this widget

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

type → String

The type of the widget

no setter, override

widthFactor → double?

The fraction of the available width to use (0.0 to 1.0).

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

parse(BuildContext context) → Widget?

Available on StacWidget?, provided by the StacWidgetParser extension

parsePreferredSizeWidget(BuildContext context) → PreferredSizeWidget?

Available on StacWidget?, provided by the StacWidgetParser extension

toJson() → Map<String, dynamic>

Converts this widget to a JSON map

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited