NumberFormField class
数字输入Form表单
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- FormField<
num> - TxFormField<
num> - TxCommonTextFormField<
num> - TxNumberFormField
- NumberFormField
- Annotations
-
- @Deprecated('Use TxNumberFormField instead. ' 'This feature was deprecated after v0.3.0.')
Constructors
-
NumberFormField.new({num? maximumValue, num? minimumValue, bool? showOperateButton, num? difference, Key? key, FormFieldSetter<
num> ? onSaved, FormFieldValidator<num> ? validator, num? initialValue, dynamic enabled, AutovalidateMode? autovalidateMode = AutovalidateMode.onUserInteraction, String? restorationId, bool? required, Widget? label, String? labelText, TextAlign? labelTextAlign, TextOverflow? labelOverflow, Color? backgroundColor, Axis direction = Axis.vertical, EdgeInsetsGeometry? padding, FieldActionsBuilder<num> ? actionsBuilder, TextStyle? labelStyle, double? horizontalGap, double? minLabelWidth, TextEditingController? controller, FocusNode? focusNode, InputDecoration? decoration, TextCapitalization? textCapitalization, TextInputAction? textInputAction, TextStyle? style, StrutStyle? strutStyle, TextDirection? textDirection, TextAlign? textAlign, bool? bordered, TextAlignVertical? textAlignVertical, bool? autofocus, bool? readonly, int? maxLines, int? minLines, int? maxLength, ValueChanged<num?> ? onChanged, GestureTapCallback? onTap, VoidCallback? onEditingComplete, List<TextInputFormatter> ? inputFormatters, bool? showCursor, String? obscuringCharacter, bool? obscureText, bool? autocorrect, SmartDashesType? smartDashesType, SmartQuotesType? smartQuotesType, bool? enableSuggestions, MaxLengthEnforcement? maxLengthEnforcement, bool? expands, TapRegionCallback? onTapOutside, ValueChanged<String> ? onFieldSubmitted, double? cursorWidth, double? cursorHeight, Radius? cursorRadius, Color? cursorColor, Brightness? keyboardAppearance, EdgeInsets? scrollPadding, bool? enableInteractiveSelection, TextSelectionControls? selectionControls, InputCounterWidgetBuilder? buildCounter, ScrollPhysics? scrollPhysics, Iterable<String> ? autofillHints, ScrollController? scrollController, bool? enableIMEPersonalizedLearning, MouseCursor? mouseCursor, EditableTextContextMenuBuilder? contextMenuBuilder})
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<
num> -
Function that returns the widget representing this form field.
finalinherited
- clearable → bool?
-
输入内容是否可清除
finalinherited
- controller → TextEditingController?
-
参考 TextFormField.controller
finalinherited
- decoration → InputDecoration?
-
要在文本字段周围显示的装饰。
finalinherited
- defaultValidator → String? Function(BuildContext context, num? value)?
-
finalinherited
-
displayTextMapper
→ ContextValueMapper<
num, String> -
输入框显示的文字生成器
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
- focusNode → FocusNode?
-
焦点
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 → num?
-
An optional value to initialize the form field to, or null otherwise.
finalinherited
-
isEmpty
→ ValueMapper<
num, bool> ? -
判断是否为 null 或者空
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
- maxValue → num?
-
可输入的最大值
finalinherited
- minValue → num?
-
可输入的最小值
finalinherited
- obscureText → bool?
-
输入内容是否可清除
finalinherited
-
onChanged
→ ValueChanged<
num?> ? -
值变更回调
finalinherited
-
onSaved
→ FormFieldSetter<
num> ? -
An optional method to call with the final value when the form is saved via
FormState.save.
finalinherited
- precision → int?
-
精度
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
- step → num?
-
步进值
finalinherited
- stepped → bool
-
是否允许步进
finalinherited
- stepStrictly → bool
-
是否严格步进
finalinherited
- textAlign → TextAlign?
-
文字对齐方向
finalinherited
-
validator
→ FormFieldValidator<
num> ? -
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(
) → TxCommonTextFormFieldState< num> -
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