import 'package:energy_bilance/models/MyInputModel.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class MyCustomForm extends StatefulWidget {
  const MyCustomForm({super.key});

  @override
  State<StatefulWidget> createState() {
    return MyCustomFormState();
  }
}

class MyCustomFormState extends State<MyCustomForm> {

  final _formKey = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    return Form(
      key: _formKey,
      child: Column(
        children: <Widget>[
          TextFormField(
            decoration: const InputDecoration(
              labelText: 'Gib was ein',
              hintText: 'keine Zahlen bidde'
            ),
            validator: (String? value) {
              return (value != null && value.contains('@')) ? 'Do not use the @ char.' : null;
            },
            onChanged: (value) {
              Provider.of<MyInputModel>(context, listen: false).changeText(value);
            }

          )
        ],
      ),
    );
  }


}