DefaultDropDown<T> class

A DefaultDropDown widget to display a list of options in a dropdown fashion.

This widget is the default implementation of a dropdown menu for the SearchAutocomplete widget. It displays a list of options and informs when an option is selected.

Constructor Parameters:

  • options: A list of generic type options that will populate the dropdown.
  • onSelected: A function that fires when an item is selected from the dropdown.
  • getString: A function that takes an item of generic type T and returns its String representation.
Inheritance

Constructors

DefaultDropDown({Key? key, required List<T> options, required ValueChanged<T> onSelected, required String getString(T)})
Creates a DefaultDropDown widget.
const

Properties

getString → String Function(T)
Function to transform an option object to its string representation.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onSelected → ValueChanged<T>
Callback function that fires when an item is selected from the dropdown.
final
options → List<T>
A list of options to be displayed in the dropdown.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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