314 lines
13 KiB
Dart
314 lines
13 KiB
Dart
import 'package:cb_prestige_qr/app/navigation/main_shell.dart';
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import 'package:cb_prestige_qr/features/auth/presentation/viewmodels/login_view_model.dart';
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import 'package:flutter/material.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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class LoginView extends ConsumerStatefulWidget {
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const LoginView({super.key});
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@override
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ConsumerState<LoginView> createState() => _LoginViewState();
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}
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class _LoginViewState extends ConsumerState<LoginView> {
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final _formKey = GlobalKey<FormState>();
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Future<void> _submit() async {
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final form = _formKey.currentState;
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if (form == null || !form.validate()) return;
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final didLogin = await ref.read(loginViewModelProvider.notifier).submit();
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if (!didLogin || !mounted) return;
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Navigator.of(
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context,
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).pushReplacement(MaterialPageRoute(builder: (_) => const MainShell()));
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final state = ref.watch(loginViewModelProvider);
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final viewModel = ref.read(loginViewModelProvider.notifier);
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return Scaffold(
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body: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xff17181c), Color(0xff25262b), Color(0xff2c2d33)],
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),
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),
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child: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 20),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 440),
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child: Container(
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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color: const Color(0xff1d1e23).withValues(alpha: 0.92),
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borderRadius: BorderRadius.circular(28),
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border: Border.all(
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color: Colors.white.withValues(alpha: 0.08),
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.28),
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blurRadius: 28,
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offset: const Offset(0, 18),
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),
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],
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),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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Container(
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height: 56,
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width: 56,
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decoration: BoxDecoration(
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color: colorScheme.primary.withValues(
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alpha: 0.16,
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),
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borderRadius: BorderRadius.circular(18),
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),
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child: const Icon(
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Icons.lock_person_rounded,
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color: Colors.white,
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size: 30,
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),
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Secure Login',
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style: theme.textTheme.headlineSmall
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?.copyWith(
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fontWeight: FontWeight.w700,
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color: Colors.white,
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),
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),
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const SizedBox(height: 4),
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Text(
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'Use your username and password to continue.',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: Colors.white70,
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height: 1.35,
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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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const SizedBox(height: 28),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(18),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.04),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: Colors.white.withValues(alpha: 0.06),
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),
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),
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child: Row(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(14),
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child: Image.asset(
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'assets/images/logo_white.png',
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height: 48,
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width: 48,
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fit: BoxFit.cover,
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),
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),
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const SizedBox(width: 14),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'CB Prestige Banking',
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style: theme.textTheme.titleMedium
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?.copyWith(
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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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const SizedBox(height: 2),
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Text(
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'Sign in to access your QR dashboard.',
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style: theme.textTheme.bodySmall
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?.copyWith(color: Colors.white60),
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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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const SizedBox(height: 28),
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_AuthTextField(
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initialValue: state.username,
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label: 'Username',
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hintText: 'Enter your username',
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keyboardType: TextInputType.text,
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prefixIcon: Icons.person_rounded,
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onChanged: viewModel.updateUsername,
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validator: (value) {
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final username = value?.trim() ?? '';
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if (username.isEmpty) {
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return 'Username is required';
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}
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if (username.length < 3) {
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return 'Username must be at least 3 characters';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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_AuthTextField(
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initialValue: state.password,
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label: 'Password',
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hintText: 'Enter your password',
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prefixIcon: Icons.lock_rounded,
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obscureText: state.obscurePassword,
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onChanged: viewModel.updatePassword,
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validator: (value) {
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final password = value ?? '';
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if (password.isEmpty) {
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return 'Password is required';
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}
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if (password.length < 6) {
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return 'Password must be at least 6 characters';
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}
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return null;
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},
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suffixIcon: IconButton(
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onPressed: viewModel.togglePasswordVisibility,
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icon: Icon(
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state.obscurePassword
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? Icons.visibility_off_rounded
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: Icons.visibility_rounded,
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color: Colors.white70,
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),
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),
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),
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const SizedBox(height: 12),
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Align(
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alignment: Alignment.centerRight,
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child: TextButton(
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onPressed: () {},
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child: const Text('Forgot password?'),
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),
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),
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if (state.errorMessage != null) ...[
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Text(
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state.errorMessage!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: colorScheme.error,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 14),
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] else
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const SizedBox(height: 6),
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SizedBox(
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width: double.infinity,
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child: FilledButton(
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onPressed: state.isSubmitting ? null : _submit,
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style: FilledButton.styleFrom(
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backgroundColor: colorScheme.primary,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(18),
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),
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),
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child: state.isSubmitting
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? const SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2.4,
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valueColor: AlwaysStoppedAnimation<Color>(
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Colors.white,
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),
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),
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)
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: const Text(
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'Sign In',
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style: TextStyle(
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fontSize: 16,
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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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),
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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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class _AuthTextField extends StatelessWidget {
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const _AuthTextField({
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required this.initialValue,
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required this.label,
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required this.hintText,
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required this.prefixIcon,
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required this.validator,
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required this.onChanged,
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this.keyboardType,
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this.obscureText = false,
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this.suffixIcon,
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});
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final String initialValue;
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final String label;
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final String hintText;
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final IconData prefixIcon;
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final String? Function(String?) validator;
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final ValueChanged<String> onChanged;
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final TextInputType? keyboardType;
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final bool obscureText;
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final Widget? suffixIcon;
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@override
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Widget build(BuildContext context) {
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return TextFormField(
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initialValue: initialValue,
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keyboardType: keyboardType,
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obscureText: obscureText,
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validator: validator,
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onChanged: onChanged,
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style: const TextStyle(color: Colors.white),
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decoration: InputDecoration(
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labelText: label,
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hintText: hintText,
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prefixIcon: Icon(prefixIcon),
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suffixIcon: suffixIcon,
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),
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);
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}
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}
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