FSelectGroup<T> class

A set of items that are treated as a single selection.

Typically used to group multiple FCheckbox.groupeds or FRadio.groupeds.

For touch devices, a FSelectTileGroup is generally recommended over this.

See:

Inheritance
Mixed-in types

Constructors

FSelectGroup.new({required FSelectGroupController<T> controller, required List<FSelectGroupItem<T>> children, FSelectGroupStyle? style, Widget? label, Widget? description, Widget errorBuilder(BuildContext, String) = FFormFieldProperties.defaultErrorBuilder, ValueChanged<Set<T>>? onChange, ValueChanged<(T, bool)>? onSelect, FormFieldSetter<Set<T>>? onSaved, FormFieldValidator<Set<T>>? validator, String? forceErrorText, bool enabled = true, AutovalidateMode? autovalidateMode, Key? key})
Creates a FSelectGroup.

Properties

autovalidateMode → AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
builder → FormFieldBuilder<Set<T>>
Function that returns the widget representing this form field.
finalinherited
children → List<FSelectGroupItem<T>>
The items.
final
controller → FSelectGroupController<T>
The controller.
final
description → Widget?
The description.
final
enabled → bool
Whether the form is able to receive user input.
finalinherited
errorBuilder → Widget Function(BuildContext, String)
Function that returns the widget representing the error to display.
final
forceErrorText → String?
An optional property that forces the FormFieldState into an error state by directly setting the FormFieldState.errorText property without running the validator function.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
initialValue → Set<T>?
An optional value to initialize the form field to, or null otherwise.
finalinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → Widget?
The label.
final
onChange → ValueChanged<Set<T>>?
The callback that is called when the value changes.
final
onSaved → FormFieldSetter<Set<T>>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
onSelect → ValueChanged<(T, bool)>?
The callback that is called when an item is selected.
final
restorationId → String?
Restoration ID to save and restore the state of the form field.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
style → FSelectGroupStyle?
The style. Defaults to FThemeData.selectGroupStyle.
final
validator → FormFieldValidator<Set<T>>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → FormFieldState<Set<T>>
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.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent 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, int wrapWidth = 65}) → 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.
inherited