DrivenProperty<T> class
abstract
Interface for classes that resolve to a value of type T
based on a widget's interactive "event",
which is defined as a set of WidgetEvents.
- Implementers
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
resolve(
Set< WidgetEvent> events) → T -
Returns a value of type
T
that depends onevents
. -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
all<
T> (T value) → DrivenProperty< T> - Convenience method for creating a DrivenProperty that resolves to a single value for all events.
-
by<
T> (DrivenPropertyResolver< T> callback) → DrivenProperty<T> - Convenience method for creating a DrivenProperty from a DrivenPropertyResolver function alone.
-
evaluate<
T> (T value, Set< WidgetEvent> events) → T -
Resolves the value for the given set of events if
value
is a DrivenProperty, otherwise returns the value itself.