ValuableIf<Output> class
- Inheritance
-
- Object
- ChangeNotifier
- Valuable<
Output> - ValuableIf
- Available Extensions
Constructors
-
ValuableIf(Valuable<
bool> testable, ValuableParentWatcher<Output> thenCase, {ValuableParentWatcher<Output> ? elseCase}) -
ValuableIf.value(Valuable<
bool> testable, Output thenValue, {required Output elseValue})
Properties
-
elseCase
→ ValuableParentWatcher<
Output> ? -
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- isMounted → bool
-
Returns if this object is still mounted
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
testable
→ Valuable<
bool> -
final
-
thenCase
→ ValuableParentWatcher<
Output> -
final
- valuableContext → ValuableContext?
-
no setterinherited
- valueCache → _ValueCache
-
finalinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
cleanWatched(
) → void -
inherited
-
dispose(
) → void -
Should be called to clean all links to other Valuables, and all the rest
inherited
-
equals(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited -
getValue(
[ValuableContext? context = const ValuableContext()]) → Output -
Get the current value of the Valuable
inherited
-
getValueDefinition(
bool reevaluatingNeeded, [ValuableContext? valuableContext = const ValuableContext()]) → Output -
This method should be redefined in ever sub-classes to determine how works
the method getValue
override
-
historize(
) → HistorizedValuable< Output> -
Build an HistorizedValuable based on this Valuable
inherited
-
listenDispose(
VoidCallback onDispose) → void -
Allows to be notified when this Valuable is disposed
inherited
-
map<
Other> (Other toElement(Output)) → Valuable< Other> -
A method to map a Valuable from
Output
toOther
inherited -
markToReevaluate(
) → void -
Mark the valuable to be reevaluated
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notEquals(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited -
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
onValuableChange(
) → void -
Called when a Valuable notify a change.
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
-
unwatch(
Valuable valuable) → void -
Remove listener on the valuable, that may change scope, or that about to be disposed
Internal purpose
inherited
-
watch<
T> (Valuable< T> valuable, {ValuableContext? valuableContext, ValuableWatcherSelector<T> ? selector}) → T -
Watch a valuable, that eventually change
inherited
Operators
-
operator <(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited -
operator <=(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited -
operator ==(
Object other) → bool -
The equality operator.
inherited
-
operator >(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited -
operator >=(
dynamic other) → Valuable< bool> -
Compare with a value that type is
Output
or another Valuableinherited