DropdownListMenu<T> class

Inheritance

Constructors

定义输入文本格式字段key
const

Properties

buttonBuilder MenuButtonBuilder?
final
controller DropdownMenuController?
finalinherited
customInput CustomInputClass?
是否多选
final
data List<T>
final
hashCode int
The hash code for this object.
no setterinherited
isCustomInput bool
自定义按钮
final
isMultiple bool
是否自定义输入
final
isOperatingButton bool
显示内容的key
final
itemBuilder MenuItemBuilder
初始化选中数据
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
keyWords → dynamic
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
selectedIndex → dynamic
是否包含按钮
final
valueKey String?
作为判断依据的key
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() DropdownState<DropdownWidget>
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