mirror of
https://github.com/wger-project/flutter.git
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506 lines
18 KiB
Dart
506 lines
18 KiB
Dart
/*
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* This file is part of wger Workout Manager <https://github.com/wger-project>.
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* Copyright (C) 2020, 2021 wger Team
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*
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* wger Workout Manager is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import 'package:provider/provider.dart';
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import 'package:wger/exceptions/http_exception.dart';
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import 'package:wger/helpers/consts.dart';
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import 'package:wger/helpers/misc.dart';
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import 'package:wger/helpers/ui.dart';
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import 'package:wger/screens/update_app_screen.dart';
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import 'package:wger/theme/theme.dart';
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import '../providers/auth.dart';
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enum AuthMode {
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Signup,
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Login,
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}
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class AuthScreen extends StatelessWidget {
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static const routeName = '/auth';
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@override
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Widget build(BuildContext context) {
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final deviceSize = MediaQuery.of(context).size;
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return Scaffold(
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backgroundColor: Theme.of(context).colorScheme.surface,
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body: Stack(
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children: <Widget>[
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Positioned(
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top: 0,
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right: 0,
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left: 0,
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child: Container(
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height: 0.55 * deviceSize.height,
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color: wgerPrimaryColor,
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),
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),
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SingleChildScrollView(
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child: SizedBox(
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height: deviceSize.height,
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width: deviceSize.width,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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SizedBox(height: 0.15 * deviceSize.height),
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const Image(
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image: AssetImage('assets/images/logo-white.png'),
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width: 85,
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),
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Container(
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margin: const EdgeInsets.only(bottom: 20.0),
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padding: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 94.0),
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child: const Text(
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'wger',
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style: TextStyle(
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color: Colors.white70,
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fontSize: 30,
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fontWeight: FontWeight.bold,
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),
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),
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),
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SizedBox(height: 0.025 * deviceSize.height),
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const Flexible(
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child: AuthCard(),
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),
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],
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),
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),
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),
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// Positioned(
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// top: 0.4 * deviceSize.height,
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// left: 15,
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// right: 15,
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// child: const ,
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// ),
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],
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),
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);
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}
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}
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class AuthCard extends StatefulWidget {
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const AuthCard();
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@override
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_AuthCardState createState() => _AuthCardState();
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}
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class _AuthCardState extends State<AuthCard> {
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bool isObscure = true;
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bool confirmIsObscure = true;
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final GlobalKey<FormState> _formKey = GlobalKey();
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bool _canRegister = true;
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AuthMode _authMode = AuthMode.Login;
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bool _hideCustomServer = true;
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final Map<String, String> _authData = {
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'username': '',
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'email': '',
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'password': '',
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'serverUrl': '',
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};
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var _isLoading = false;
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final _usernameController = TextEditingController();
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final _passwordController = TextEditingController();
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final _password2Controller = TextEditingController();
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final _emailController = TextEditingController();
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final _serverUrlController =
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TextEditingController(text: kDebugMode ? DEFAULT_SERVER_TEST : DEFAULT_SERVER_PROD);
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@override
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void initState() {
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super.initState();
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context.read<AuthProvider>().getServerUrlFromPrefs().then((value) {
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_serverUrlController.text = value;
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});
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// Check if the API key is set
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//
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// If not, the user will not be able to register via the app
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try {
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final metadata = Provider.of<AuthProvider>(context, listen: false).metadata;
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if (metadata.containsKey(MANIFEST_KEY_API) && metadata[MANIFEST_KEY_API] == '') {
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_canRegister = false;
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}
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} on PlatformException {
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_canRegister = false;
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}
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_preFillTextfields();
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}
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void _preFillTextfields() {
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if (kDebugMode && _authMode == AuthMode.Login) {
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setState(() {
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_usernameController.text = TESTSERVER_USER_NAME;
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_passwordController.text = TESTSERVER_PASSWORD;
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});
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}
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}
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void _resetTextfields() {
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_usernameController.clear();
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_passwordController.clear();
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}
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void _submit(BuildContext context) async {
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if (!_formKey.currentState!.validate()) {
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// Invalid!
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return;
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}
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_formKey.currentState!.save();
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setState(() {
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_isLoading = true;
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});
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try {
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// Login existing user
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late Map<String, LoginActions> res;
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if (_authMode == AuthMode.Login) {
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res = await Provider.of<AuthProvider>(context, listen: false)
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.login(_authData['username']!, _authData['password']!, _authData['serverUrl']!);
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// Register new user
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} else {
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res = await Provider.of<AuthProvider>(context, listen: false).register(
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username: _authData['username']!,
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password: _authData['password']!,
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email: _authData['email']!,
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serverUrl: _authData['serverUrl']!);
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}
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// Check if update is required else continue normally
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if (res.containsKey('action')) {
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if (res['action'] == LoginActions.update && mounted) {
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Navigator.of(context).push(
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MaterialPageRoute(builder: (context) => UpdateAppScreen()),
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);
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return;
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}
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}
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setState(() {
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_isLoading = false;
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});
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} on WgerHttpException catch (error) {
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if (mounted) {
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showHttpExceptionErrorDialog(error, context);
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}
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setState(() {
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_isLoading = false;
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});
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} catch (error) {
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if (mounted) {
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showErrorDialog(error, context);
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}
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setState(() {
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_isLoading = false;
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});
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}
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}
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void _switchAuthMode() {
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if (!_canRegister) {
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launchURL(DEFAULT_SERVER_PROD, context);
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return;
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}
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if (_authMode == AuthMode.Login) {
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setState(() {
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_authMode = AuthMode.Signup;
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});
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_resetTextfields();
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} else {
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setState(() {
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_authMode = AuthMode.Login;
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});
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_preFillTextfields();
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}
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}
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@override
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Widget build(BuildContext context) {
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final deviceSize = MediaQuery.of(context).size;
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return Card(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15.0),
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),
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elevation: 8.0,
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child: Container(
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width: deviceSize.width * 0.9,
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padding: EdgeInsets.symmetric(horizontal: 15.0, vertical: 0.025 * deviceSize.height),
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child: Form(
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key: _formKey,
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child: SingleChildScrollView(
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child: AutofillGroup(
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child: Column(
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children: <Widget>[
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TextFormField(
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key: const Key('inputUsername'),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context).username,
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errorMaxLines: 2,
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prefixIcon: const Icon(Icons.account_circle)),
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autofillHints: const [AutofillHints.username],
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controller: _usernameController,
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textInputAction: TextInputAction.next,
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keyboardType: TextInputType.emailAddress,
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validator: (value) {
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if (value == null || value.isEmpty) {
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return AppLocalizations.of(context).invalidUsername;
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}
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if (!RegExp(r'^[\w.@+-]+$').hasMatch(value)) {
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return AppLocalizations.of(context).usernameValidChars;
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}
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return null;
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},
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inputFormatters: [FilteringTextInputFormatter.deny(RegExp(r'\s\b|\b\s'))],
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onSaved: (value) {
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_authData['username'] = value!;
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},
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),
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if (_authMode == AuthMode.Signup)
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TextFormField(
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key: const Key('inputEmail'),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context).email,
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prefixIcon: const Icon(Icons.mail),
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),
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autofillHints: const [AutofillHints.email],
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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textInputAction: TextInputAction.next,
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// Email is not required
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validator: (value) {
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if (value!.isNotEmpty && !value.contains('@')) {
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return AppLocalizations.of(context).invalidEmail;
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}
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return null;
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},
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onSaved: (value) {
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_authData['email'] = value!;
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},
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),
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StatefulBuilder(builder: (context, updateState) {
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return TextFormField(
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key: const Key('inputPassword'),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context).password,
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prefixIcon: const Icon(Icons.password),
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suffixIcon: IconButton(
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icon: Icon(isObscure ? Icons.visibility_off : Icons.visibility),
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onPressed: () {
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isObscure = !isObscure;
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updateState(() {});
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},
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),
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),
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autofillHints: const [AutofillHints.password],
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obscureText: isObscure,
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controller: _passwordController,
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textInputAction: TextInputAction.next,
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validator: (value) {
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if (value!.isEmpty || value.length < 8) {
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return AppLocalizations.of(context).passwordTooShort;
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}
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return null;
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},
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onSaved: (value) {
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_authData['password'] = value!;
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},
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);
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}),
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if (_authMode == AuthMode.Signup)
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StatefulBuilder(builder: (context, updateState) {
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return TextFormField(
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key: const Key('inputPassword2'),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context).confirmPassword,
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prefixIcon: const Icon(Icons.password),
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suffixIcon: IconButton(
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icon: Icon(confirmIsObscure ? Icons.visibility_off : Icons.visibility),
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onPressed: () {
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confirmIsObscure = !confirmIsObscure;
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updateState(() {});
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},
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),
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),
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controller: _password2Controller,
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enabled: _authMode == AuthMode.Signup,
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obscureText: confirmIsObscure,
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validator: _authMode == AuthMode.Signup
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? (value) {
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if (value != _passwordController.text) {
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return AppLocalizations.of(context).passwordsDontMatch;
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}
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return null;
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}
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: null,
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);
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}),
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// Off-stage widgets are kept in the tree, otherwise the server URL
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// would not be saved to _authData
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Offstage(
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offstage: _hideCustomServer,
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child: Row(
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children: [
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Flexible(
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flex: 3,
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child: TextFormField(
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key: const Key('inputServer'),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context).customServerUrl,
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helperText: AppLocalizations.of(context).customServerHint,
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helperMaxLines: 4),
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controller: _serverUrlController,
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validator: (value) {
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if (Uri.tryParse(value!) == null) {
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return AppLocalizations.of(context).invalidUrl;
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}
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if (value.isEmpty || !value.contains('http')) {
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return AppLocalizations.of(context).invalidUrl;
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}
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return null;
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},
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onSaved: (value) {
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// Remove any trailing slash
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if (value!.lastIndexOf('/') == (value.length - 1)) {
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value = value.substring(0, value.lastIndexOf('/'));
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}
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_authData['serverUrl'] = value;
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},
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),
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),
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const SizedBox(
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width: 20,
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),
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Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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IconButton(
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icon: const Icon(Icons.undo),
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onPressed: () {
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_serverUrlController.text =
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kDebugMode ? DEFAULT_SERVER_TEST : DEFAULT_SERVER_PROD;
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},
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),
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Text(AppLocalizations.of(context).reset)
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],
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),
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],
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),
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),
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const SizedBox(
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height: 20,
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),
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GestureDetector(
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onTap: () {
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if (!_isLoading) {
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return _submit(context);
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}
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},
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child: Container(
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key: const Key('actionButton'),
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width: double.infinity,
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height: 0.065 * deviceSize.height,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(30.0),
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color: wgerPrimaryColor,
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),
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child: Center(
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child: _isLoading
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? const CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation(Colors.white),
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)
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: Text(
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_authMode == AuthMode.Login
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? AppLocalizations.of(context).login
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: AppLocalizations.of(context).register,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.w600,
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),
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),
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),
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),
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),
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SizedBox(height: 0.025 * deviceSize.height),
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Builder(
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key: const Key('toggleActionButton'),
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builder: (context) {
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final String text = _authMode != AuthMode.Signup
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? AppLocalizations.of(context).registerInstead
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: AppLocalizations.of(context).loginInstead;
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return GestureDetector(
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onTap: () {
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_switchAuthMode();
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},
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child: Container(
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color: Colors.transparent,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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text.substring(0, text.lastIndexOf('?') + 1),
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),
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Text(
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text.substring(text.lastIndexOf('?') + 1, text.length),
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style: const TextStyle(
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//color: wgerPrimaryColor,
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fontWeight: FontWeight.w700,
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),
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)
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],
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),
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),
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);
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},
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),
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TextButton(
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key: const Key('toggleCustomServerButton'),
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onPressed: () {
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setState(() {
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_hideCustomServer = !_hideCustomServer;
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});
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},
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child: Text(
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_hideCustomServer
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? AppLocalizations.of(context).useCustomServer
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: AppLocalizations.of(context).useDefaultServer,
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),
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),
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],
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),
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),
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),
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),
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),
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);
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}
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}
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