ZetaDropdown<T> class

Dropdown menus allow users to select an option from a list that appears when the menu is clicked or tapped.

Figma: https://www.figma.com/file/JesXQFLaPJLc1BdBM4sisI/%F0%9F%A6%93-ZDS---Components?node-id=22391-10146

Widgetbook: https://design.zebra.com/flutter/widgetbook/index.html#/?path=components/dropdown-menu/zetadropdown/dropdown-menu

Inheritance
Available extensions

Constructors

ZetaDropdown({Key? key, bool? rounded, required List<ZetaDropdownItem<T>> items, ValueSetter<ZetaDropdownItem<T>>? onChange, T? value, ZetaDropdownMenuType type = ZetaDropdownMenuType.standard, ZetaDropdownSize size = ZetaDropdownSize.standard, Offset offset = Offset.zero, Widget builder(BuildContext context, ZetaDropdownItem<T>? selectedItem, ZetaDropdownController controller)?, VoidCallback? onDismissed, VoidCallback? onOpen, String? semanticDropdownLabel, bool disableButtonSemantics = false, ZetaDropdownMenuPosition? menuPosition})
Creates a new ZetaDropdown.
const

Properties

builder → Widget Function(BuildContext context, ZetaDropdownItem<T>? selectedItem, ZetaDropdownController controller)?
A custom builder for the child of the dropdown.
final
disableButtonSemantics → bool
If true, Semantics will not include the button variable.
final
hashCode → int
The hash code for this object.
no setterinherited
items → List<ZetaDropdownItem<T>>
The items displayed in the dropdown.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
Override the direction the dropdown menu is rendered.
final
offset → Offset
The offset of the dropdown menu from its parent.
final
onChange → ValueSetter<ZetaDropdownItem<T>>?
Called with the selected value whenever the dropdown is changed.
final
onDismissed → VoidCallback?
Called when the dropdown is dismissed.
final
onOpen → VoidCallback?
Called when the dropdown is opened.
final
rounded → bool?
Sets rounded or sharp border of the containing box and the icon style.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticDropdownLabel → String?
A semantic label for the dropdown.
final
size → ZetaDropdownSize
The size of the dropdown menu.
final
type → ZetaDropdownMenuType
The type of the dropdown menu.
final
value → T?
The value of the selected item.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ZetaDropdown<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
paddingAll(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Equal padding on all sides.
paddingBottom(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Padding on bottom only.
paddingEnd(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Padding on start edge only. Is affected by whether the device is LTR or RTL:
paddingHorizontal(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Equal padding on start and end.
paddingStart(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Padding on start edge only. Is affected by whether the device is LTR or RTL:
paddingTop(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Padding on top only.
paddingVertical(double space) → Widget

Available on Widget, provided by the SpacingWidget extension

Equal padding on top and bottom.
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