TInputValidationStateMixin<T, W extends StatefulWidget> mixin

State mixin for managing validation state.

Superclass constraints

Properties

context → BuildContext
The location in the tree where this widget builds.
no setterinherited
currentValue → T?
The current value of the input.
no setterinherited
errors → List<String>
Current validation errors.
no setter
errorsNotifier → ValueNotifier<List<String>>
Notifier for the list of validation errors.
no setter
focusNode → FocusNode
The active focus node.
no setterinherited
hasErrors → bool
Whether there are any validation errors.
no setter
hashCode → int
The hash code for this object.
no setterinherited
isFocused → bool
Whether the widget is currently focused.
no setterinherited
isNeedToValidate → bool
Whether validation is required for this field.
no setter
mounted → bool
Whether this State object is currently in a tree.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
widget → W
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant W oldWidget) → void
Called whenever the widget configuration changes.
inherited
dispose() → void
Called when this object is removed from the tree permanently.
override
getValueType() → ValueType
Returns the type of the value being managed.
inherited
initState() → void
Called when this object is inserted into the tree.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyValueChanged(T? newValue) → void
Updates the value and notifies listeners.
inherited
onExternalValueChanged(T? value) → void
inherited
onFocusChanged(bool hasFocus) → void
Callback called when focus state changes.
override
onValueChanged(T? value, {bool initial = false, T? oldValue}) → void
override
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited
triggerValidation(T? value) → void
Triggers validation immediately.

Operators

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