WDynamicState class

Reactive state store for dynamic widget values.

Tracks form field values (inputs, checkboxes, selects) by their id prop. Action handlers receive this state to read current form values.

Inheritance

Constructors

WDynamicState()

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

Methods

addIdListener(String id, ValueChanged callback) VoidCallback
Add a listener for a specific id. Returns a dispose function.
addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object.
override
get(String id) → dynamic
Get a value by id.
getAll() Map<String, dynamic>
Get all values as a map.
has(String id) bool
Whether a value exists for the given id.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
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
reset() → void
Reset all values.
set(String id, dynamic value) → void
Set a value by id, notifying listeners.
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited