DropDownItemState<T> class

Represents the state of an individual item within a dropdown (select) field.

A DropDownItemState extends the FormFieldState class, providing a way to manage the state of an item within a dropdown input.

Inheritance

• Object
• FormFieldState<T>
• DropDownItemState

Constructors

DropDownItemState(T value, {required String label})

Creates a new instance of DropDownItemState.

Properties

error → String?

The error message associated with the form field, if any.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

label → String

The label or name of the form field.

final, inherited

rules → List<ValidationRule<T>>

The list of validation rules to apply to the form field.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

touched → bool

Indicates whether the form field has been touched (interacted with) by the user.

final, inherited

validateOnUpdate → bool

Indicates whether validation should occur when the form field is updated.

final, inherited

value → T

The current value of the form field.

final, inherited

Methods

copyWith({T? value, String? error, String? label, bool? touched, bool? validateOnUpdate, List<ValidationRule<T>>? rules}) → DropDownItemState<T>

Creates a new FormFieldState object by copying the existing state and replacing the specified fields with new values.

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) → FormFieldState<T>

Updates the error field for the FormFieldState.

inherited

validate(Map<String, FormFieldState> fields) → String?

Validates the form field against its validation rules.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited