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superport/lib/screens/login/widgets/login_view.dart

334 lines
10 KiB
Dart

import 'package:flutter/material.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:superport/screens/login/controllers/login_controller.dart';
import 'dart:math' as math;
/// shadcn/ui 스타일로 재설계된 로그인 화면
class LoginView extends StatefulWidget {
final LoginController controller;
final VoidCallback onLoginSuccess;
const LoginView({
super.key,
required this.controller,
required this.onLoginSuccess,
});
@override
State<LoginView> createState() => _LoginViewState();
}
class _LoginViewState extends State<LoginView>
with TickerProviderStateMixin {
late AnimationController _fadeController;
late Animation<double> _fadeAnimation;
late AnimationController _slideController;
late Animation<Offset> _slideAnimation;
@override
void initState() {
super.initState();
_setupAnimations();
}
void _setupAnimations() {
_fadeController = AnimationController(
duration: const Duration(milliseconds: 1000),
vsync: this,
);
_fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(parent: _fadeController, curve: Curves.easeInOut),
);
_slideController = AnimationController(
duration: const Duration(milliseconds: 800),
vsync: this,
);
_slideAnimation = Tween<Offset>(
begin: const Offset(0, 0.3),
end: Offset.zero,
).animate(
CurvedAnimation(parent: _slideController, curve: Curves.easeOutCubic),
);
_fadeController.forward();
_slideController.forward();
}
@override
void dispose() {
_fadeController.dispose();
_slideController.dispose();
super.dispose();
}
Future<void> _handleLogin() async {
final success = await widget.controller.login();
if (success) {
widget.onLoginSuccess();
}
}
@override
Widget build(BuildContext context) {
final theme = ShadTheme.of(context);
return ListenableBuilder(
listenable: widget.controller,
builder: (context, _) {
return Scaffold(
backgroundColor: theme.colorScheme.background,
body: SafeArea(
child: Center(
child: SingleChildScrollView(
physics: const BouncingScrollPhysics(),
child: Padding(
padding: const EdgeInsets.all(24),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 400),
child: FadeTransition(
opacity: _fadeAnimation,
child: SlideTransition(
position: _slideAnimation,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
_buildHeader(),
const SizedBox(height: 48),
_buildLoginCard(),
const SizedBox(height: 32),
_buildFooter(),
],
),
),
),
),
),
),
),
),
);
},
);
}
Widget _buildHeader() {
final theme = ShadTheme.of(context);
return Column(
children: [
// 로고 및 애니메이션
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [
theme.colorScheme.primary,
theme.colorScheme.primary.withValues(alpha: 0.8),
theme.colorScheme.primary.withValues(alpha: 0.6),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
boxShadow: [
BoxShadow(
color: theme.colorScheme.primary.withValues(alpha: 0.3),
blurRadius: 20,
offset: const Offset(0, 10),
),
],
),
child: AnimatedBuilder(
animation: _fadeController,
builder: (context, child) {
return Transform.rotate(
angle: _fadeController.value * 2 * math.pi * 0.1,
child: Icon(
Icons.directions_boat,
size: 48,
color: Colors.white,
),
);
},
),
),
const SizedBox(height: 24),
// 앱 이름
Text(
'supERPort',
style: theme.textTheme.h1.copyWith(
foreground:
Paint()
..shader = LinearGradient(
colors: [theme.colorScheme.primary, theme.colorScheme.primary.withValues(alpha: 0.7)],
).createShader(const Rect.fromLTWH(0, 0, 200, 70)),
),
),
const SizedBox(height: 8),
Text('스마트 ERP 시스템', style: theme.textTheme.muted),
],
);
}
Widget _buildLoginCard() {
final controller = widget.controller;
final theme = ShadTheme.of(context);
return ShadCard(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 로그인 헤더
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('로그인', style: theme.textTheme.h3),
const SizedBox(height: 4),
Text('계정 정보를 입력하여 로그인하세요.', style: theme.textTheme.muted),
],
),
const SizedBox(height: 32),
// 아이디/이메일 입력
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('아이디/이메일', style: theme.textTheme.small),
const SizedBox(height: 4),
ShadInputFormField(
controller: controller.idController,
placeholder: const Text('아이디 또는 이메일을 입력하세요'),
keyboardType: TextInputType.text,
),
],
),
const SizedBox(height: 16),
// 비밀번호 입력
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('비밀번호', style: theme.textTheme.small),
const SizedBox(height: 4),
ShadInputFormField(
controller: controller.pwController,
placeholder: const Text('비밀번호를 입력하세요'),
obscureText: true,
keyboardType: TextInputType.visiblePassword,
),
],
),
const SizedBox(height: 16),
// 아이디 저장 체크박스
Row(
children: [
ShadCheckbox(
value: controller.saveId,
onChanged: (value) {
controller.setSaveId(value);
},
),
const SizedBox(width: 8),
Text('아이디 저장', style: theme.textTheme.small),
],
),
const SizedBox(height: 32),
// 에러 메시지 표시
if (controller.errorMessage != null)
Padding(
padding: const EdgeInsets.only(bottom: 16),
child: ShadAlert.destructive(
title: const Text('로그인 오류'),
description: Text(controller.errorMessage!),
),
),
// 로그인 버튼
ShadButton(
onPressed: controller.isLoading ? null : _handleLogin,
size: ShadButtonSize.lg,
child: controller.isLoading
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
),
)
: const Text('로그인'),
),
const SizedBox(height: 16),
// 테스트 로그인 버튼
ShadButton.outline(
onPressed: controller.isLoading ? null : () async {
// 테스트 계정 정보 자동 입력
widget.controller.idController.text = 'admin@example.com';
widget.controller.pwController.text = 'password123';
// 실제 로그인 프로세스 실행
await _handleLogin();
},
size: ShadButtonSize.lg,
child: const Text('테스트 로그인'),
),
],
),
),
);
}
Widget _buildFooter() {
final theme = ShadTheme.of(context);
return Column(
children: [
// 기능 소개
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: theme.colorScheme.muted,
borderRadius: BorderRadius.circular(12),
border: Border.all(color: theme.colorScheme.border),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: theme.colorScheme.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(8),
),
child: Icon(
Icons.info_outline,
size: 16,
color: theme.colorScheme.primary,
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
'장비 관리, 회사 관리, 사용자 관리 등\n포트 운영에 필요한 모든 기능을 제공합니다.',
style: theme.textTheme.small,
),
),
],
),
),
const SizedBox(height: 24),
// 저작권 정보
Text(
'Copyright 2025 NatureBridgeAI. All rights reserved.',
style: theme.textTheme.small.copyWith(
color: theme.colorScheme.foreground.withValues(alpha: 0.7),
fontWeight: FontWeight.w500,
),
),
],
);
}
}