MenuButton<T> class

Custom MenuButton to display a menu button following Material Design example

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatefulWidget
• MenuButton

Constructors

MenuButton({required Widget child, required List<T> items, required MenuItemBuilder<T> itemBuilder, Widget? toggledChild, Widget divider = const Divider(height: 1, color: Colors.grey), bool topDivider = true, MenuItemSelected<T>? onItemSelected, BoxDecoration? decoration, MenuButtonToggleCallback? onMenuButtonToggle, ScrollPhysics scrollPhysics = const NeverScrollableScrollPhysics(), double? popupHeight, bool crossTheEdge = false, double edgeMargin = 0.0, bool showSelectedItemOnList = true, T? selectedItem, Text? label, LabelDecoration? labelDecoration, Color itemBackgroundColor = Colors.white, Color menuButtonBackgroundColor = Colors.white})

const

Properties

child → Widget

Widget to display the default button to trigger the menu button

final

crossTheEdge → bool

Set it to true if you want the button to expand

final

decoration → BoxDecoration?

A custom decoration for menu button

final

divider → Widget

Divider widget default = true

final

edgeMargin → double

Prevent the button to not touch the edge

final

hashCode → int

The hash code for this object.

no setter, inherited

itemBackgroundColor → Color

Background color of items default = Colors.white

final

itemBuilder → MenuItemBuilder<T>

A widget to design each item of the menu button

final

items → List<T>

List of all items available on the menu

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

label → Text?

Add a label on top of the menu button as Material design

final

labelDecoration → LabelDecoration?

Custom LabelDecoration if you use a label

final

menuButtonBackgroundColor → Color

Background color of menu button default = Colors.white

final

onItemSelected → MenuItemSelected<T>?

Action to do when an item is selected

final

onMenuButtonToggle → MenuButtonToggleCallback?

Function triggered when menu button is triggered

final

popupHeight → double?

Force a define height for the popup view

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

scrollPhysics → ScrollPhysics

Determines the scroll physics default = NeverScrollableScrollPhysics()

final

selectedItem → T?

Define the selected item

final

showSelectedItemOnList → bool

Display or not the selected item on the list default = true

final

toggledChild → Widget?

Same as child but when the menu button is opened

final

topDivider → bool

Top Divider visibility default = Divider(height: 1, color: Colors.grey)

final

Methods

createElement() → StatefulElement

Creates a StatefulElement to manage this widget's location in the tree.

inherited

createState() → State<StatefulWidget>

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