MultiListWheelLinkagePicker<T> class
多列滚轮选择 联动
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- PickerStatefulWidget<
List< int> > - MultiListWheelLinkagePicker
- Available Extensions
Constructors
-
MultiListWheelLinkagePicker({Key? key, double height = kPickerDefaultHeight, double width = double.infinity, double? itemWidth, PickerOptions<
List< ? options, WheelOptions? wheelOptions, required List<int> >PickerLinkageItem< items, List<T> >int> value = const [], bool isScrollable = false, PickerPositionIndexChanged? onChanged, PickerPositionValueChanged<T> ? onValueChanged}) -
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
height
finalinherited
- isScrollable → bool
-
是否可以横向滚动
isScrollable==true 使用SingleChildScrollView创建,wheelOptions中的itemWidth控制宽度,如果不设置则为
kPickerDefaultWidth
isScrollable==false 使用Row 创建每个滚动,居中显示final -
items
→ List<
PickerLinkageItem< T> > -
要渲染的数据
final
- itemWidth → double?
-
wheel width
finalinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onChanged → PickerPositionIndexChanged?
-
onChanged
final
-
onValueChanged
→ PickerPositionValueChanged<
T> ? -
onValueChanged
final
-
options
→ PickerOptions<
List< ?int> > -
头部和背景色配置
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
value
→ List<
int> -
初始默认显示的位置
final
- wheelOptions → WheelOptions?
-
Wheel配置信息
finalinherited
- width → double
-
width
finalinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< MultiListWheelLinkagePicker< 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.
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