CascadeSelectWidget<T> class
级联选择框
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CascadeSelectWidget
Constructors
-
CascadeSelectWidget({Key? key, required int columnNum, required Future<
List< buildPickData(int columnIndex, int lastColumnIndex), PickResultCallback<T> >T> ? resultCallback, required BuildItem<T> buildItem, List<int> ? initIndex, PickerStyle? pickerStyle})
Properties
-
buildItem
→ BuildItem<
T> -
子item构造
final
-
buildPickData
→ Future<
List< Function(int columnIndex, int lastColumnIndex)T> > -
构造单列数据
final
- columnNum → int
-
有几列
final
- hashCode → int
-
The hash code for this object.
no setterinherited
-
initIndex
→ List<
int> ? -
每列初始化的位置
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- pickerStyle ↔ PickerStyle?
-
样式定制
getter/setter pair
-
resultCallback
→ PickResultCallback<
T> ? -
结果回调
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< CascadeSelectWidget> -
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