FastDropdown<T> class

A FastFormField that contains a DropdownButtonFormField.

Inheritance
Annotations

Constructors

FastDropdown({FormFieldBuilder<T>? builder, AutovalidateMode? autovalidateMode = AutovalidateMode.onUserInteraction, Map<FastConditionHandler, FastConditionList>? conditions, EdgeInsetsGeometry? contentPadding, InputDecoration? decoration, bool enabled = true, String? helperText, T? initialValue, Key? key, String? labelText, required String name, ValueChanged<T?>? onChanged, VoidCallback? onReset, FormFieldSetter<T>? onSaved, String? restorationId, FormFieldValidator<T>? validator, AlignmentGeometry alignment = AlignmentDirectional.centerStart, bool autofocus = false, BorderRadius? borderRadius, Widget? disabledHint, Color? dropdownColor, int elevation = 8, bool? enableFeedback, Color? focusColor, FocusNode? focusNode, Widget? hint, Widget? icon, Color? iconDisabledColor, Color? iconEnabledColor, double iconSize = 24.0, bool isDense = true, bool isExpanded = false, double? itemHeight, List<T> items = const [], FastDropdownMenuItemsBuilder<T>? itemsBuilder, double? menuMaxHeight, VoidCallback? onTap, DropdownButtonBuilder? selectedItemBuilder, TextStyle? style})
const

Properties

adaptive → bool?
null represents a non-adaptive form field widget
finalinherited
alignment → AlignmentGeometry
final
autofocus → bool
final
autovalidateMode → AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
borderRadius → BorderRadius?
final
builder → FormFieldBuilder<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
conditions → Map<FastConditionHandler, FastConditionList>?
finalinherited
contentPadding → EdgeInsetsGeometry?
finalinherited
decoration → InputDecoration?
finalinherited
disabledHint → Widget?
final
final
elevation → int
final
enabled → bool
Whether the form is able to receive user input.
finalinherited
enableFeedback → bool?
final
focusColor → Color?
final
focusNode → FocusNode?
final
hashCode → int
The hash code for this object.
no setterinherited
helperText → String?
finalinherited
hint → Widget?
final
icon → Widget?
final
iconDisabledColor → Color?
final
iconEnabledColor → Color?
final
iconSize → double
final
initialValue → T?
An optional value to initialize the form field to, or null otherwise.
finalinherited
isDense → bool
final
isExpanded → bool
final
itemHeight → double?
final
items → List<T>
final
itemsBuilder → FastDropdownMenuItemsBuilder<T>?
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelText → String?
finalinherited
final
name → String
finalinherited
onChanged → ValueChanged<T?>?
finalinherited
onReset → VoidCallback?
finalinherited
onSaved → FormFieldSetter<T>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
onTap → VoidCallback?
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
selectedItemBuilder → DropdownButtonBuilder?
final
style → TextStyle?
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

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → FastDropdownState<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}) → 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