FSelectGroup<T> class

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

Typically used to group multiple FSelectGroupItem.checkboxs or FSelectGroupItem.radios.

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

See:

Inheritance

Constructors

FSelectGroup({required FSelectGroupController<T> controller, required List<FSelectGroupItem<T>> items, FSelectGroupStyle? style, Widget? label, Widget? description, Widget errorBuilder(BuildContext, String) = _errorBuilder, FormFieldSetter<Set<T>>? onSaved, FormFieldValidator<Set<T>>? validator, Set<T>? initialValue, String? forceErrorText, bool enabled = true, AutovalidateMode? autovalidateMode, String? restorationId, 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. It is passed the form field state as input, containing the current value and validation state of this field.
finalinherited
controller FSelectGroupController<T>
The controller.
final
description Widget?
The description displayed below the label.
final
enabled bool
Whether the form is able to receive user input.
finalinherited
errorBuilder Widget Function(BuildContext, String)
The builder for errors displayed below the description. Defaults to displaying the error message.
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
items List<FSelectGroupItem<T>>
The items.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label Widget?
The label displayed next to the select group.
final
onSaved FormFieldSetter<Set<T>>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
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