FormBuilderChoiceChips<T> class

A list of Chips that acts like radio buttons

Inheritance

Constructors

FormBuilderChoiceChips.new({AutovalidateMode? autovalidateMode = AutovalidateMode.disabled, bool enabled = true, FocusNode? focusNode, FormFieldSetter<T>? onSaved, FormFieldValidator<T>? validator, InputDecoration decoration = const InputDecoration(), Key? key, required String name, required List<FormBuilderChipOption<T>> options, T? initialValue, String? restorationId, ValueChanged<T?>? onChanged, ValueTransformer<T?>? valueTransformer, VoidCallback? onReset, FormFieldErrorBuilder? errorBuilder, WrapAlignment alignment = WrapAlignment.start, ShapeBorder avatarBorder = const CircleBorder(), Color? backgroundColor, WrapCrossAlignment crossAxisAlignment = WrapCrossAlignment.start, Axis direction = Axis.horizontal, Color? disabledColor, double? elevation, EdgeInsets? labelPadding, TextStyle? labelStyle, MaterialTapTargetSize? materialTapTargetSize, EdgeInsets? padding, double? pressElevation, WrapAlignment runAlignment = WrapAlignment.start, double runSpacing = 0.0, Color? selectedColor, Color? selectedShadowColor, Color? shadowColor, BorderSide? side, OutlinedBorder? shape, double spacing = 0.0, TextDirection? textDirection, VerticalDirection verticalDirection = VerticalDirection.down, VisualDensity? visualDensity, bool showCheckmark = true, Color? surfaceTintColor, Clip clipBehavior = Clip.none, Color? checkmarkColor, bool autofocus = false, BoxConstraints? avatarBoxConstraints, ChipAnimationStyle? chipAnimationStyle, WidgetStateProperty<Color?>? color, IconThemeData? iconTheme, String? tooltip})
Creates a list of Chips that acts like radio buttons

Properties

alignment WrapAlignment
How the children within a run should be placed in the main axis.
final
autofocus bool
True if this widget will be selected as the initial focus when no other node in its scope is currently focused.
final
autovalidateMode AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
avatarBorder ShapeBorder
final
avatarBoxConstraints BoxConstraints?
Constraints to be enforced on the avatar's box.
final
backgroundColor Color?
Color to be used for the unselected, enabled chip's background.
final
builder FormFieldBuilder<T>
Function that returns the widget representing this form field.
finalinherited
checkmarkColor Color?
The color of the chip's check mark when selected.
final
chipAnimationStyle ChipAnimationStyle?
The style of the chip's animation when selected or deselected.
final
clipBehavior Clip
The content will be clipped (or not) according to this option.
final
color WidgetStateProperty<Color?>?
The color of the chip.
final
crossAxisAlignment WrapCrossAlignment
How the children within a run should be aligned relative to each other in the cross axis.
final
decoration InputDecoration
finalinherited
direction Axis
The direction to use as the main axis when wrapping chips.
final
disabledColor Color?
Color to be used for the chip's background indicating that it is disabled.
final
elevation double?
Elevation to be applied on the chip relative to its parent.
final
enabled bool
Whether the form is able to receive user input.
finalinherited
errorBuilder FormFieldErrorBuilder?
Function that returns the widget representing the error to display.
finalinherited
focusNode FocusNode?
An optional focus node to use as the focus node for this widget.
finalinherited
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
iconTheme IconThemeData?
The icon theme data for the icon.
final
initialValue → 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
labelPadding EdgeInsets?
The padding around the label widget.
final
labelStyle TextStyle?
The style to be applied to the chip's label.
final
materialTapTargetSize MaterialTapTargetSize?
Configures the minimum size of the tap target.
final
name String
Used to reference the field within the form, or to reference form data after the form is submitted.
finalinherited
onChanged ValueChanged<T?>?
Called when the field value is changed.
finalinherited
onReset VoidCallback?
An optional method to call when the form field is reset via FormFieldState.reset.
finalinherited
onSaved FormFieldSetter<T>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
options List<FormBuilderChipOption<T>>
The list of items the user can select.
final
padding EdgeInsets?
The padding between the contents of the chip and the outside shape.
final
pressElevation double?
Elevation to be applied on the chip relative to its parent during the press motion.
final
restorationId String?
Restoration ID to save and restore the state of the form field.
finalinherited
runAlignment WrapAlignment
How the runs themselves should be placed in the cross axis.
final
runSpacing double
How much space to place between the runs themselves in the cross axis.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
selectedColor Color?
Color to be used for the chip's background, indicating that it is selected.
final
selectedShadowColor Color?
Color of the chip's shadow when the elevation is greater than 0 and the chip is selected.
final
shadowColor Color?
Color of the chip's shadow when the elevation is greater than 0.
final
shape OutlinedBorder?
The OutlinedBorder to draw around the chip.
final
showCheckmark bool
Indicates whether a checkmark should be displayed on the selected choice chip.
final
side BorderSide?
The color and weight of the chip's outline.
final
spacing double
How much space to place between children in a run in the main axis.
final
surfaceTintColor Color?
The surface tint color of the chip when it is selected.
final
textDirection TextDirection?
Determines the order to lay children out horizontally and how to interpret start and end in the horizontal direction.
final
tooltip String?
The tooltip message to show when long pressing on the chip.
final
validator FormFieldValidator<T>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited
valueTransformer ValueTransformer<T?>?
Called just before field value is saved. Used to massage data just before committing the value.
finalinherited
verticalDirection VerticalDirection
Determines the order to lay children out vertically and how to interpret start and end in the vertical direction.
final
visualDensity VisualDensity?
Defines how compact the chip's layout will be.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() FormBuilderFieldDecorationState<FormBuilderChoiceChips<T>, 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.
inherited
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