ValueConverter<P extends Object, F extends Object> class abstract

Defines value converter between PropertyDescriptor<P> value and FormField<F> value.

P is type of property value and F is form field value.

Typically, you can implement StringConverter or just use one of the predefined string converters instead of implementing this class directly for text field based form fields

Implementers

• StringConverter

Constructors

ValueConverter()

Initializes a new ValueConverter instance.

ValueConverter.fromCallbacks({required PropertyToFieldConverter<P, F> toFieldValue, required FieldToPropertyConverter<P, F> toPropertyValue})

Creates a new ValueConverter from specified callbacks.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toFieldValue(P? value, Locale locale) → F?

Converts the property value to form field's value.

toPropertyValue(F? value, Locale locale) → SomeConversionResult<P>

Converts the form field saved value to property's value.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited