FRadioSelectGroupController<T> class
A FSelectGroupController that allows only one selection, mimicking the behaviour of radio buttons.
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
Set< T> > - FValueNotifier<
Set< T> > - FSelectGroupController<
T> - FRadioSelectGroupController
Constructors
-
FRadioSelectGroupController({T? value, ValueChanged<
(T, bool)> ? onUpdate}) - Creates a FRadioSelectGroupController.
Properties
- disposed → bool
-
True if this notifier has been disposed.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
-
onUpdate
→ ValueChanged<
(T, bool)> ? -
A callback that is called when the selection of a value is updated via update.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
value
↔ Set<
T> -
The current value stored in this notifier.
getter/setter pairinherited-getteroverride-setter
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
addValueListener(
ValueChanged< Set< listener) → voidT> > -
Register a closure to be called with a new value when the notifier changes.
inherited
-
contains(
T value) → bool -
Returns true if a value is selected.
inherited
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
removeValueListener(
ValueChanged< Set< listener) → voidT> > -
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
T value, {required bool selected}) → void -
Updates the selection state of the given
value.override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited