DropdownListMenu<T> class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- DropdownWidget
- DropdownListMenu
Constructors
-
DropdownListMenu({required dynamic keyWords, required List<
T> data, bool isOperatingButton = true, bool isCustomInput = false, MenuButtonBuilder? buttonBuilder, String? valueKey, CustomInputClass? customInput, bool isMultiple = false, dynamic selectedIndex, required MenuItemBuilder itemBuilder}) -
定义输入文本格式字段key
const
Properties
-
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