RadioGroupFieldState<T> class

Represents the state of a group of radio buttons form fields.

A radio button group form field extends the FormFieldState class, providing a way to manage the state of multiple radio buttons within a group.

Inheritance

Constructors

RadioGroupFieldState(List<RadioButtonFieldState<T>> radioButtons, {required String label, required T value, String? error, List<ValidationRule<T>> rules = const []})
Creates a new instance of RadioGroupFieldState.

Properties

error → String?
The error message associated with the form field, if any.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
label → String
The label or name of the form field.
finalinherited
radioButtons → List<RadioButtonFieldState<T>>
The list of individual radio button field states within the group.
final
rules → List<ValidationRule<T>>
The list of validation rules to apply to the form field.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
touched → bool
Indicates whether the form field has been touched (interacted with) by the user.
finalinherited
validateOnUpdate → bool
Indicates whether validation should occur when the form field is updated.
finalinherited
value → T
The current value of the form field.
finalinherited

Methods

copyWith({T? value, List<RadioButtonFieldState<T>>? radioButtons, String? error, String? label, bool? touched, bool? validateOnUpdate, List<ValidationRule<T>>? rules}) → RadioGroupFieldState<T>
Creates a new FormFieldState object by copying the existing state and replacing the specified fields with new values.
override
copyWithNullable({T? value}) → RadioGroupFieldState<T>
A null-tolerant version of copyWith, allowing you to explicitly set fields to null.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited
updateError(String? error) → RadioGroupFieldState<T>
Updates the error field for the FormFieldState.
override
validate(Map<String, FormFieldState> fields) → String?
Validates the form field against its validation rules.
inherited

Operators

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