wrapInFormField<T> static method

Widget wrapInFormField<T>({ required FormFieldValidator<T>? validator, required Widget child, String? labelText, bool? filled, InputBorder? border, double childTopPadding = 5, EdgeInsetsGeometry? contentPadding, Widget? suffixIcon, })

Wraps a widget in a FormField with InputDecorator for validation display.

Parameters:

• validator: Form field validator function
• child: The widget to wrap
• labelText: Optional label text
• filled: Whether the field is filled
• border: Optional input border
• childTopPadding: Top padding for child. Defaults to 5
• contentPadding: Optional content padding
• suffixIcon: Optional suffix icon widget

Useful for adding validation to custom widgets that aren't form fields.

Implementation

static Widget wrapInFormField<T>(
    {required FormFieldValidator<T>? validator,
    required Widget child,
    String? labelText,
    bool? filled,
    InputBorder? border,
    double childTopPadding = 5,
    EdgeInsetsGeometry? contentPadding,
    Widget? suffixIcon}) {
  return FormField(
    validator: validator,
    builder: (field) {
      return InputDecorator(
        decoration: InputDecoration(
            //isDense: true,
            contentPadding: contentPadding ?? EdgeInsets.zero,
            border: border,
            //fillColor: Colors.transparent,
            errorText: field.errorText,
            //errorBorder: InputBorder.none,
            labelText: labelText,
            //border: InputBorder.none,
            filled: filled,
            suffixIcon: suffixIcon),
        child: child.paddingTop(childTopPadding),
      );
    },
  );
}