DropdownGroup<T> class

Represents a named group of dropdown items.

Groups are rendered with a section header in the dropdown list, allowing items to be organized into logical categories.

final groups = [
  DropdownGroup(label: 'Fruits', items: [
    DropdownItem(label: 'Apple', value: 'apple'),
    DropdownItem(label: 'Banana', value: 'banana'),
  ]),
  DropdownGroup(label: 'Vegetables', items: [
    DropdownItem(label: 'Carrot', value: 'carrot'),
  ]),
];

Constructors

Creates a new DropdownGroup with the given label and items.
const

Properties

hashCode int
The hash code for this object.
no setteroverride
items List<DropdownItem<T>>
The dropdown items belonging to this group.
final
label String
The display label for this group's section header.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

copyWith({String? label, List<DropdownItem<T>>? items}) DropdownGroup<T>
Creates a copy of this DropdownGroup with the specified overrides.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
override

Operators

operator ==(Object other) bool
The equality operator.
override