TxMultiCascadePickerFormField<T, V> class

级联选择框表单

Inheritance

Constructors

TxMultiCascadePickerFormField({required List<T>? source, required ValueMapper<T, String?> labelMapper, required ValueMapper<T, List<T>?> childrenMapper, ValueMapper<T, V?>? valueMapper, List<T>? initialData, List<V>? initialValue, int? maxCount, int? minCount, bool? linkage, MultiPickerActionBarBuilder<T>? actionBarBuilder, MultiPickerSelectedItemBuilder<T>? selectedItemBuilder, MultiPickerItemBuilder<T>? itemBuilder, ListTileThemeData? listTileTheme, bool? parentCheckable, DataWidgetBuilder<T>? subtitleBuilder, bool? showSearchField, Widget? placeholder, ValueMapper<T, bool>? disabledWhen, bool? readOnly, Key? key, FormFieldSetter<List<T>>? onSaved, FormFieldValidator<List<T>>? validator, bool? enabled, AutovalidateMode? autovalidateMode = AutovalidateMode.onUserInteraction, String? restorationId, InputDecoration? decoration, ValueChanged<List<T>?>? onChanged, bool? required, FocusNode? focusNode, String? hintText, TextAlign? textAlign, bool? bordered, bool? canRequestFocus, Widget? label, String? labelText, TextAlign? labelTextAlign, TextOverflow? labelOverflow, EdgeInsetsGeometry? padding, FieldActionsBuilder<List<T>>? actionsBuilder, TextStyle? labelStyle, double? horizontalGap, Color? tileColor, Axis? layoutDirection, TxFormFieldBuilder<List<T>>? trailingBuilder, Widget? leading, VisualDensity? visualDensity, ShapeBorder? shape, Color? iconColor, Color? textColor, TextStyle? leadingAndTrailingTextStyle, double? minLeadingWidth, double? minLabelWidth, double? minVerticalPadding, bool? dense, bool? colon, Color? focusColor})
TxMultiCascadePickerFormField.fromMapList({required List<Map> source, String? labelKey, String? valueKey, String? idKey, String? pidKey, String? rootId, List<Map>? initialData, List<V>? initialValue, DataWidgetBuilder<Map>? subtitleBuilder, MultiPickerItemBuilder<Map>? itemBuilder, MultiPickerActionBarBuilder<Map>? actionBarBuilder, MultiPickerSelectedItemBuilder<Map>? selectedItemBuilder, int? maxCount, int? minCount, ValueMapper<Map, bool>? disabledWhen, bool? showSearchField, Widget? placeholder, bool? parentCheckable, bool? linkage, ListTileThemeData? listTileTheme, bool? readOnly, Key? key, FormFieldSetter<List<T>>? onSaved, FormFieldValidator<List<Map>>? validator, bool? enabled, AutovalidateMode? autovalidateMode = AutovalidateMode.onUserInteraction, String? restorationId, InputDecoration? decoration, ValueChanged<List<T>?>? onChanged, bool? required, FocusNode? focusNode, String? hintText, TextAlign? textAlign, bool? bordered, bool? canRequestFocus, Widget? label, String? labelText, TextAlign? labelTextAlign, TextOverflow? labelOverflow, EdgeInsetsGeometry? padding, FieldActionsBuilder<List<T>>? actionsBuilder, TextStyle? labelStyle, double? horizontalGap, Color? tileColor, Axis? layoutDirection, TxFormFieldBuilder<List<T>>? trailingBuilder, Widget? leading, VisualDensity? visualDensity, ShapeBorder? shape, Color? iconColor, Color? textColor, TextStyle? leadingAndTrailingTextStyle, double? minLeadingWidth, double? minLabelWidth, double? minVerticalPadding, bool? dense, bool? colon, Color? focusColor})

Properties

autovalidateMode → AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
finalinherited
bordered → bool?
是否显示边框
finalinherited
builder → FormFieldBuilder<List<T>>
Function that returns the widget representing this form field.
finalinherited
decoration → InputDecoration?
要在文本字段周围显示的装饰。
finalinherited
enabled → bool
Whether the form is able to receive user input.
finalinherited
errorBuilder → FormFieldErrorBuilder?
Function that returns the widget representing the error to display.
finalinherited
forceErrorText → String?
An optional property that forces the FormFieldState into an error state by directly setting the FormFieldState.errorText property without running the validator function.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
hintText → String?
提示文字
finalinherited
initialValue → List<T>?
An optional value to initialize the form field to, or null otherwise.
finalinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → Widget?
参考 TxTile.label
finalinherited
labelText → String?
标题文字
finalinherited
onChanged → ValueChanged<List<T>?>?
值变更回调
finalinherited
onReset → VoidCallback?
An optional method to call when the form field is reset via FormFieldState.reset.
finalinherited
onSaved → ValueChanged<List<T>?>?
An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
readOnly → bool
是否只读
finalinherited
required → bool
是否必填
finalinherited
restorationId → String?
Restoration ID to save and restore the state of the form field.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
textAlign → TextAlign?
文字对齐方向
finalinherited
validator → FormFieldValidator<List<T>>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → TxFormFieldState<List<T>>
Creates the mutable state for this widget at a given 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, 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