loris/lib/pages/login.dart

76 lines
2.0 KiB
Dart

import 'package:flutter/material.dart';
import 'package:slothmu/api/user.dart';
import 'package:localization/localization.dart';
class Login extends StatefulWidget {
const Login({Key? key}) : super(key: key);
@override
State<Login> createState() => _LoginState();
}
class _LoginState extends State<Login> {
@override
Widget build(BuildContext context) {
return const Scaffold(
body: Padding(
padding: EdgeInsets.all(24),
child: LoginForm(),
),
);
}
}
class LoginForm extends StatefulWidget {
const LoginForm({Key? key}) : super(key: key);
@override
State<LoginForm> createState() => _LoginFormState();
}
class _LoginFormState extends State<LoginForm> {
final formKey = GlobalKey<FormState>();
@override
Widget build(BuildContext context) {
return Form(
onChanged: () {
formKey.currentState!.validate();
},
key: formKey,
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text("greeting".i18n(), style: const TextStyle(fontSize: 64)),
TextFormField(
decoration: InputDecoration(
labelText: "user-id".i18n(),
hintText: "user-id-example".i18n(),
icon: const Icon(Icons.person),
prefixText: "@",
),
autofocus: true,
validator: (value) {
if (value!.isEmpty || !isValidUsername(name: value)) {
return "user-id-not-valid".i18n();
} else {
return null;
}
},
),
TextButton.icon(
onPressed: () {
bool isValid = formKey.currentState!.validate();
if (!isValid) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text("login-failed-snackbar-text".i18n())));
}
},
icon: const Icon(Icons.login),
label: Text("authorize-in-browser".i18n()))
],
),
);
}
}