MultiColumnPicker class

多列选择 不联动

Inheritance
Available Extensions

Constructors

MultiColumnPicker({Key? key, required List<PickerEntry> entry, bool horizontalScroll = false, bool addExpanded = true, PickerPositionChanged? onChanged, double height = kPickerDefaultHeight, double width = double.infinity, PickerOptions<List<int>>? options = const PickerOptions<List<int>>(), PickerWheelOptions? wheelOptions})

Properties

addExpanded bool
horizontalScroll==false
final
entry List<PickerEntry>
要渲染的数据
final
hashCode int
The hash code for this object.
no setterinherited
height double
height
final
horizontalScroll bool
是否可以横向滚动 horizontalScroll==true 使用SingleChildScrollView创建,wheelOptions中的itemWidth控制宽度,如果不设置则为kPickerDefaultWidth horizontalScroll==false 使用Row 创建每个滚动,居中显示
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onChanged PickerPositionChanged?
onChanged
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
wheelOptions PickerWheelOptions
Wheel配置信息
finalinherited
width double
width
final

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
createElement() StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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