MinButtonGroup<T> class

Grupo de botones con selección única, completamente controlado desde afuera.

Widget genérico <T> que trabaja con cualquier tipo de dato. Recibe una lista de MinButtonGroupOption, el valor seleccionado actualmente y un callback onChanged.

Características

Selección única controlada (controlled component).
Estados visuales: seleccionado, no seleccionado, deshabilitado, hover, pressed.
Animaciones suaves de selección.
Bordes redondeados con esquinas internas planas.
Soporte de accesibilidad (Semantics).
Responsive: se adapta al tamaño del contenido (horizontal y vertical).

Uso básico

enum Color { red, green, blue }

MinButtonGroup<Color>(
  options: const [
    MinButtonGroupOption(value: Color.red),
    MinButtonGroupOption(value: Color.green),
    MinButtonGroupOption(value: Color.blue),
  ],
  value: _selectedColor,
  onChanged: (color) => setState(() => _selectedColor = color),
  labelBuilder: (color) => Text(color.name),
)

Con opciones deshabilitadas

MinButtonGroup<String>(
  options: const [
    MinButtonGroupOption(value: 'a'),
    MinButtonGroupOption(value: 'b', enabled: false),
    MinButtonGroupOption(value: 'c'),
  ],
  value: _selected,
  onChanged: (v) => setState(() => _selected = v),
  labelBuilder: (v) => Text(v),
)

Inheritance

Constructors

MinButtonGroup({Key? key, required List<MinButtonGroupOption<T>> options, required T? value, required ValueChanged<T> onChanged, required Widget labelBuilder(T value), Axis direction = Axis.horizontal, MinButtonSize size = MinButtonSize.md, MinButtonVariant variant = MinButtonVariant.outline, String? semanticLabel}): const

Properties

direction → Axis: Dirección del grupo: horizontal (default) o vertical.
final
hashCode → int: The hash code for this object.
no setterinherited
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
labelBuilder → Widget Function(T value): Callback que renderiza el widget de texto para cada opción.
final
onChanged → ValueChanged<T>: Callback llamado cuando se selecciona una opción.
final
options → List<MinButtonGroupOption<T>>: Lista de opciones disponibles en el grupo.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
semanticLabel → String?: Etiqueta de accesibilidad del grupo.
final
size → MinButtonSize: Tamaño aplicado a todos los botones del grupo.
final
value → T?: Valor seleccionado actualmente.
final
variant → MinButtonVariant: Variante visual aplicada a todos los botones no seleccionados.
final

Methods

createElement() → StatefulElement: Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<MinButtonGroup<T>>: 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