TFieldProp<T> class
A reactive property for form fields with subscription support.
TFieldProp provides reactive state management for form fields with:
- Value change notifications
- Subscription to other properties
- User input tracking
- Reset to initial value
- Automatic disposal
Type parameter:
T: The type of the property value
See also:
- TFormField for creating form fields
- TFormBuilder for building forms
Constructors
-
TFieldProp(T value, {bool useNotifier = false, ValueChanged<
T?> ? onValueChanged})
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- initialValue → T?
-
The initial value of the property.
final
-
onValueChanged
→ ValueChanged<
T?> ? -
Callback fired when the value changes.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value ↔ T
-
getter/setter pair
-
valueNotifier
→ ValueNotifier<
T?> ? -
no setter
- wasUserInput → bool
-
no setter
Methods
-
dispose(
) → void -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reset(
) → void -
subscribe<
V> (TFieldProp< V> source, T formatter(V val), {bool cancelOnUserEdit = false}) → void -
subscribeToMany(
List< TFieldProp> sources, T setter(), {bool cancelOnUserEdit = false}) → void -
toString(
) → String -
A string representation of this object.
override
-
unsubscribe(
TFieldProp< T> source) → void
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited