fluffychat/lib/views/sign_up.dart
2021-02-27 08:47:33 +01:00

178 lines
5.9 KiB
Dart

import 'dart:math';
import 'package:adaptive_page_layout/adaptive_page_layout.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:file_picker_cross/file_picker_cross.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import '../app_config.dart';
class SignUp extends StatefulWidget {
@override
_SignUpState createState() => _SignUpState();
}
class _SignUpState extends State<SignUp> {
final TextEditingController usernameController = TextEditingController();
String usernameError;
bool loading = false;
MatrixFile avatar;
void setAvatarAction() async {
var file =
await FilePickerCross.importFromStorage(type: FileTypeCross.image);
if (file != null) {
setState(
() => avatar = MatrixFile(
bytes: file.toUint8List(),
name: file.fileName,
),
);
}
}
void signUpAction(BuildContext context) async {
var matrix = Matrix.of(context);
if (usernameController.text.isEmpty) {
setState(() => usernameError = L10n.of(context).pleaseChooseAUsername);
} else {
setState(() => usernameError = null);
}
if (usernameController.text.isEmpty) {
return;
}
setState(() => loading = true);
final preferredUsername =
usernameController.text.toLowerCase().trim().replaceAll(' ', '-');
try {
await matrix.client.usernameAvailable(preferredUsername);
} on MatrixException catch (exception) {
setState(() => usernameError = exception.errorMessage);
return setState(() => loading = false);
} catch (exception) {
setState(() => usernameError = exception.toString());
return setState(() => loading = false);
}
setState(() => loading = false);
await AdaptivePageLayout.of(context).pushNamed(
'/signup/password/${Uri.encodeComponent(preferredUsername)}/${Uri.encodeComponent(usernameController.text)}',
arguments: avatar,
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
elevation: 0,
leading: loading ? Container() : BackButton(),
title: Text(
Matrix.of(context)
.client
.homeserver
.toString()
.replaceFirst('https://', ''),
),
),
body: ListView(
padding: EdgeInsets.symmetric(
horizontal:
max((MediaQuery.of(context).size.width - 600) / 2, 0)),
children: <Widget>[
Hero(
tag: 'loginBanner',
child: Image.asset('assets/banner.png'),
),
SizedBox(height: 16),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 12.0),
child: TextField(
readOnly: loading,
autocorrect: false,
controller: usernameController,
onSubmitted: (s) => signUpAction(context),
autofillHints: loading ? null : [AutofillHints.newUsername],
decoration: InputDecoration(
prefixIcon: Icon(Icons.account_circle_outlined),
hintText: L10n.of(context).username,
errorText: usernameError,
labelText: L10n.of(context).chooseAUsername,
),
),
),
SizedBox(height: 8),
ListTile(
leading: CircleAvatar(
backgroundImage:
avatar == null ? null : MemoryImage(avatar.bytes),
backgroundColor: avatar == null
? Theme.of(context).brightness == Brightness.dark
? Color(0xff121212)
: Colors.white
: Theme.of(context).secondaryHeaderColor,
child: avatar == null
? Icon(Icons.camera_alt_outlined,
color: Theme.of(context).primaryColor)
: null,
),
trailing: avatar == null
? null
: Icon(
Icons.close,
color: Colors.red,
),
title: Text(avatar == null
? L10n.of(context).setAProfilePicture
: L10n.of(context).discardPicture),
onTap: avatar == null
? setAvatarAction
: () => setState(() => avatar = null),
),
SizedBox(height: 16),
Hero(
tag: 'loginButton',
child: Container(
height: 56,
padding: EdgeInsets.symmetric(horizontal: 12),
child: RaisedButton(
elevation: 7,
color: Theme.of(context).primaryColor,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppConfig.borderRadius),
),
child: loading
? LinearProgressIndicator()
: Text(
L10n.of(context).signUp.toUpperCase(),
style: TextStyle(color: Colors.white, fontSize: 16),
),
onPressed: loading ? null : () => signUpAction(context),
),
),
),
Center(
child: TextButton(
child: Text(
L10n.of(context).alreadyHaveAnAccount,
style: TextStyle(
decoration: TextDecoration.underline,
color: Colors.blue,
fontSize: 16,
),
),
onPressed: () =>
AdaptivePageLayout.of(context).pushNamed('/login'),
),
),
]),
);
}
}