HistoryStateHolder<STATE, SERVICE extends Object> class

Inheritance

• Object
• ChangeNotifier
• ValueNotifier<STATE>
• StateHolder<STATE, SERVICE>
• DefaultStateHolder<STATE, SERVICE>
• HistoryStateHolder

Constructors

HistoryStateHolder(STATE value, HistoryStorage history)

Properties

hashCode → int

The hash code for this object.

no setter, inherited

hasListeners → bool

Whether any listeners are currently registered.

no setter, inherited

history → HistoryStorage

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value ↔ STATE

The current value stored in this notifier.

getter/setter pair, inherited

Methods

addListener(VoidCallback listener) → void

Register a closure to be called when the object changes.

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

getService() → SERVICE

inherited

getState() → STATE

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

notifyListeners() → void

Call all the registered listeners.

inherited

redo() → void

removeListener(VoidCallback listener) → void

Remove a previously registered closure from the list of closures that are notified when the object changes.

inherited

setState(STATE nextValue) → void

override

toString() → String

A string representation of this object.

inherited

undo() → void

Operators

operator ==(Object other) → bool

The equality operator.

inherited