ReactiveFormField<ModelDataType, ViewDataType> class Null safety

A single reactive form field.

This widget maintains the current state of the reactive form field, so that updates and validation errors are visually reflected in the UI.

It is the base class for all other reactive widgets.

Inheritance
Implementers

Constructors

ReactiveFormField({Key? key, FormControl<ModelDataType>? formControl, String? formControlName, ControlValueAccessor<ModelDataType, ViewDataType>? valueAccessor, ShowErrorsFunction? showErrors, ValidationMessagesFunction<ModelDataType>? validationMessages, required ReactiveFormFieldBuilder<ModelDataType, ViewDataType> builder})
Creates an instance of the ReactiveFormField. [...]

Properties

formControl FormControl<ModelDataType>?
The control that is bound to this widget.
final
formControlName String?
The name of the FormControl that is bound to this widget.
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
showErrors ShowErrorsFunction?
Gets the callback that define when to show errors in UI.
final
validationMessages ValidationMessagesFunction<ModelDataType>?
A function that returns the Map that store custom validation messages for each error.
final
valueAccessor ControlValueAccessor<ModelDataType, ViewDataType>?
Gets the widget control value accessor
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() ReactiveFormFieldState<ModelDataType, ViewDataType>
Creates the mutable state for this widget at a given location in the tree. [...]
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
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
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants. [...]
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object. [...]
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
@nonVirtual, inherited