TxNumberFormField constructor

TxNumberFormField({ bool? clearable, Key? key, FormFieldSetter<num>? onSaved, FormFieldValidator<num>? validator, bool? enabled, AutovalidateMode? autovalidateMode = AutovalidateMode.onUserInteraction, String? restorationId, InputDecoration? decoration, ValueChanged<num?>? onChanged, bool? required, num? initialValue, bool? bordered, String? hintText, num? maxValue, num? minValue, bool? stepped, num? step, int? precision, bool? stepStrictly, TextEditingController? controller, UndoHistoryController? undoController, TextInputAction? textInputAction, TextCapitalization? textCapitalization, TextStyle? style, StrutStyle? strutStyle, TextAlign? textAlign, TextAlignVertical? textAlignVertical, TextDirection? textDirection, bool? readOnly, bool? showCursor, bool? autofocus, MaterialStatesController? statesController, String? obscuringCharacter, bool? obscureText, bool? autocorrect, SmartDashesType? smartDashesType, SmartQuotesType? smartQuotesType, bool? enableSuggestions, int? maxLines, int? minLines, bool? expands, int? maxLength, MaxLengthEnforcement? maxLengthEnforcement, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, AppPrivateCommandCallback? onAppPrivateCommand, List<TextInputFormatter>? inputFormatters, double? cursorWidth, double? cursorHeight, Radius? cursorRadius, bool? cursorOpacityAnimates, Color? cursorColor, Color? cursorErrorColor, BoxHeightStyle? selectionHeightStyle, BoxWidthStyle? selectionWidthStyle, Brightness? keyboardAppearance, EdgeInsets? scrollPadding, DragStartBehavior? dragStartBehavior, bool? enableInteractiveSelection, TextSelectionControls? selectionControls, GestureTapCallback? onTap, bool? onTapAlwaysCalled, TapRegionCallback? onTapOutside, MouseCursor? mouseCursor, InputCounterWidgetBuilder? buildCounter, ScrollController? scrollController, ScrollPhysics? scrollPhysics, Iterable<String>? autofillHints, ContentInsertionConfiguration? contentInsertionConfiguration, Clip? clipBehavior, bool? scribbleEnabled, bool? enableIMEPersonalizedLearning, EditableTextContextMenuBuilder? contextMenuBuilder, bool? canRequestFocus, SpellCheckConfiguration? spellCheckConfiguration, TextMagnifierConfiguration? magnifierConfiguration, Widget? label, String? labelText, TextAlign? labelTextAlign, TextOverflow? labelOverflow, EdgeInsetsGeometry? padding, FieldActionsBuilder<num>? actionsBuilder, TextStyle? labelStyle, double? horizontalGap, Color? tileColor, Axis? layoutDirection, TxFormFieldBuilder<num>? trailingBuilder, Widget? leading, VisualDensity? visualDensity, ShapeBorder? shape, Color? iconColor, Color? textColor, TextStyle? leadingAndTrailingTextStyle, double? minLeadingWidth, double? minLabelWidth, double? minVerticalPadding, bool? dense, ValueChanged<TxFormFieldState<num>>? onFieldTap, bool? colon, Color? focusColor, FocusNode? focusNode, })

Implementation

TxNumberFormField({
  bool? clearable,
  super.key,
  super.onSaved,
  FormFieldValidator<num>? validator,
  super.enabled,
  super.autovalidateMode,
  super.restorationId,
  super.decoration,
  super.onChanged,
  super.required,
  super.initialValue,
  super.bordered,
  String? hintText,
  this.maxValue,
  this.minValue,
  bool? stepped,
  this.step,
  this.precision,
  bool? stepStrictly,
  super.controller,
  super.undoController,
  super.textInputAction,
  super.textCapitalization,
  super.style,
  super.strutStyle,
  TextAlign? textAlign,
  super.textAlignVertical,
  super.textDirection,
  super.readOnly,
  super.showCursor,
  super.autofocus,
  super.statesController,
  super.obscuringCharacter,
  super.obscureText,
  super.autocorrect,
  super.smartDashesType,
  super.smartQuotesType,
  super.enableSuggestions,
  super.maxLines,
  super.minLines,
  super.expands,
  super.maxLength,
  super.maxLengthEnforcement,
  super.onEditingComplete,
  super.onFieldSubmitted,
  super.onAppPrivateCommand,
  List<TextInputFormatter>? inputFormatters,
  super.cursorWidth,
  super.cursorHeight,
  super.cursorRadius,
  super.cursorOpacityAnimates,
  super.cursorColor,
  super.cursorErrorColor,
  super.selectionHeightStyle,
  super.selectionWidthStyle,
  super.keyboardAppearance,
  super.scrollPadding,
  super.dragStartBehavior,
  super.enableInteractiveSelection,
  super.selectionControls,
  super.onTap,
  super.onTapAlwaysCalled,
  super.onTapOutside,
  super.mouseCursor,
  super.buildCounter,
  super.scrollController,
  super.scrollPhysics,
  super.autofillHints,
  super.contentInsertionConfiguration,
  super.clipBehavior,
  super.scribbleEnabled,
  super.enableIMEPersonalizedLearning,
  super.contextMenuBuilder,
  super.canRequestFocus,
  super.spellCheckConfiguration,
  super.magnifierConfiguration,
  super.label,
  super.labelText,
  super.labelTextAlign,
  super.labelOverflow,
  super.padding,
  super.actionsBuilder,
  super.labelStyle,
  super.horizontalGap,
  super.tileColor,
  super.layoutDirection,
  super.trailingBuilder,
  super.leading,
  super.visualDensity,
  super.shape,
  super.iconColor,
  super.textColor,
  super.leadingAndTrailingTextStyle,
  super.minLeadingWidth,
  super.minLabelWidth,
  super.minVerticalPadding,
  super.dense,
  super.onFieldTap,
  super.colon,
  super.focusColor,
  super.focusNode,
})  : stepped = stepped ?? false,
      stepStrictly = stepStrictly ?? false,
      super(
        hintText: hintText ?? '请输入',
        clearable: clearable ?? false,
        displayTextMapper: (context, val) => val.toString(),
        keyboardType: TextInputType.number,
        textAlign: textAlign ?? (stepped == true ? TextAlign.center : null),
        onInputChanged: (field, val) {
          final num? number = num.tryParse(val);
          if (number != field.value) {
            (field as TxCommonTextFormFieldState).didChange(number);
          }
        },
        inputFormatters: [
          ...?inputFormatters,
          NumberInputFormatter(
            min: minValue,
            max: maxValue,
            precision: precision,
            step: step,
            stepStrictly: stepStrictly,
          ),
        ],
        validator: (value) {
          if (required == true && value == null) {
            return '请输入';
          }

          if (validator != null) {
            final String? errorText = validator(value);
            if (errorText != null) {
              return errorText;
            }
          }

          /// 如果最小值不为空，判断输入值是否小于最小值
          if (minValue != null && value != null && value < minValue) {
            return '输入值需大于或等于$minValue';
          }

          /// 如果最小数量不为空，判断已选数量是否小于最小数量
          if (maxValue != null && value != null && value > maxValue) {
            return '输入值需小于或等于$maxValue';
          }

          return null;
        },
      );