MergeMapBindableProperty<TValue> class
具有键的合并的绑定属性
- 将多个具有键的 ValueListenable 合并为一个新的 ValueListenable, 当多个 ValueListenable 中任一发生变更时即引发新的 ValueListenable 变更 其值为多个 ValueListenable 对应的键值集合
- Inheritance
-
- Object
- ChangeNotifier
- BindableProperty<
Map< Object, TValue> > - MergeMapBindableProperty
Constructors
-
MergeMapBindableProperty(Map<
Object, ValueListenable< map, {PropertyValueChanged<TValue> >Map< ? valueChanged})Object, TValue> > - 创建具有键的合并的绑定属性
Properties
- 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
→ Map<
Object, TValue> -
The current value of the object. When the value changes, the callbacks
registered with addListener will be invoked.
no setteroverride
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
dispose(
) → void -
dispose
inherited
-
disposeFn(
void fn()) → void -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notify(
) → void -
发送通知
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
-
toString(
) → String -
A string representation of this object.
inherited
-
transform<
T> ({required T? transformer(Map< Object, TValue> ), required T initial, PropertyValueChanged<T> ? valueChanged}) → BindableProperty<T> -
从当前绑定属性转换到一个新的绑定属性
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited