TxCascadePicker<D, V> class

级联选择器

Inheritance

Constructors

TxCascadePicker.new({required List<D> datasource, required ValueMapper<D, String?> labelMapper, required ValueMapper<D, V?>? valueMapper, required ValueMapper<D, List<D>?> childrenMapper, required ValueChanged<D>? onChanged, V? initialValue, D? initialData, Key? key, SelectableWidgetBuilder<D>? itemBuilder, IndexedDataWidgetBuilder<D?>? tabItemBuilder, ListTileThemeData? listTheme, String? placeholder, bool? isParentNodeSelectable})
TxCascadePicker.fromMapList({required List<Map> datasource, required ValueChanged<D>? onChanged, String? valueKey, String? labelKey, String? idKey, String? pidKey, String? childrenKey, Key? key, SelectableWidgetBuilder<D>? itemBuilder, IndexedDataWidgetBuilder<D?>? tabItemBuilder, ListTileThemeData? listTheme, V? initialValue, D? initialData, String? placeholder, bool? isParentNodeSelectable})
通过给定非树型数据数组创建一个级联选择器
TxCascadePicker.fromMapTree({required List<Map> datasource, required ValueChanged<D>? onChanged, String? labelKey, String? valueKey, String? childrenKey, Key? key, SelectableWidgetBuilder<D>? itemBuilder, IndexedDataWidgetBuilder<D?>? tabItemBuilder, ListTileThemeData? listTheme, V? initialValue, D? initialData, String? placeholder, bool? isParentNodeSelectable})
通过给定树型数据创建一个级联选择器

Properties

childrenMapper → ValueMapper<D, List<D>?>
数据的值
final
datasource → List<D>
数据源
final
hashCode → int
The hash code for this object.
no setterinherited
initialData → D?
初始选择的数据
final
initialValue → V?
初始值
final
isParentNodeSelectable → bool
父节点是否可选
final
itemBuilder → SelectableWidgetBuilder<D>?
列表项构造器
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelMapper → ValueMapper<D, String?>
数据展示给用户的标签
final
listTheme → ListTileThemeData?
列表项主题
final
onChanged → ValueChanged<D>?
数据变更回调
final
placeholder → String?
未选择数据时 Tab 栏的文字提示
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
tabItemBuilder → IndexedDataWidgetBuilder<D?>?
Tab 项构造器
final
valueMapper → ValueMapper<D, V?>
数据的值
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<TxCascadePicker>
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, int wrapWidth = 65}) → 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