FMultiValueNotifier<T> class abstract

A notifier that manages a set of elements.

Inheritance

Constructors

FMultiValueNotifier.new({int min, int? max, Set<T>? values})
Creates a FMultiValueNotifier with a min and max number of elements allowed. Defaults to no min and max.
factory
FMultiValueNotifier.radio({T? value})
Creates a FMultiValueNotifier that allows only one element at a time.
factory

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
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

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
addUpdateListener(ValueChanged<(T, bool)>? listener) → void
Registers a closure to be called whenever update successfully adds/removes an element if not null.
addValueListener(ValueChanged<Set<T>>? listener) → void
Registers a closure to be called with a new value when the notifier changes if not null.
inherited
contains(T value) → bool
Returns true if the notifier contains the value.
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).
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
notifyUpdateListeners(T value, {required bool add}) → void
Notifies all registered update listeners of a change.
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
removeUpdateListener(ValueChanged<(T, bool)>? listener) → void
Removes a previously registered closure from the list of closures that are notified whenever update successfully adds/removes an element.
removeValueListener(ValueChanged<Set<T>>? listener) → void
Removes 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 add}) → void
Adds or removes the value from this notifier.

Operators

operator ==(Object other) → bool
The equality operator.
inherited