Refactor screens to MVC architecture with modular widgets
- Extract business logic from screens into dedicated controllers - Split large screen files into smaller, reusable widget components - Add controllers for AddSubscriptionScreen and DetailScreen - Create modular widgets for subscription and detail features - Improve code organization and maintainability - Remove duplicated code and improve reusability 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
JiWoong Sul
238
lib/widgets/common/dialogs/loading_overlay.dart
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238
lib/widgets/common/dialogs/loading_overlay.dart
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import 'package:flutter/material.dart';
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/// 로딩 오버레이 위젯
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/// 비동기 작업 중 화면을 덮는 로딩 인디케이터를 표시합니다.
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class LoadingOverlay extends StatelessWidget {
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final bool isLoading;
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final Widget child;
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final String? message;
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final Color? backgroundColor;
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final Color? indicatorColor;
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final double opacity;
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const LoadingOverlay({
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super.key,
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required this.isLoading,
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required this.child,
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this.message,
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this.backgroundColor,
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this.indicatorColor,
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this.opacity = 0.7,
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});
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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child,
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if (isLoading)
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Container(
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color: (backgroundColor ?? Colors.black).withOpacity(opacity),
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child: Center(
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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: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 10,
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offset: const Offset(0, 4),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircularProgressIndicator(
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color: indicatorColor ?? Theme.of(context).primaryColor,
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),
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if (message != null) ...[
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const SizedBox(height: 16),
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Text(
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message!,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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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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/// 로딩 다이얼로그
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/// 모달 형태의 로딩 인디케이터를 표시합니다.
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class LoadingDialog {
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static Future<void> show({
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required BuildContext context,
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String? message,
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Color? barrierColor,
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bool barrierDismissible = false,
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}) {
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return showDialog(
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context: context,
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barrierDismissible: barrierDismissible,
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barrierColor: barrierColor ?? Colors.black54,
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builder: (context) => WillPopScope(
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onWillPop: () async => barrierDismissible,
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child: Center(
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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: Colors.white,
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borderRadius: BorderRadius.circular(16),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircularProgressIndicator(
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color: Theme.of(context).primaryColor,
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),
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if (message != null) ...[
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const SizedBox(height: 16),
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Text(
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message,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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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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static void hide(BuildContext context) {
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Navigator.of(context).pop();
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}
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}
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/// 커스텀 로딩 인디케이터
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/// 다양한 스타일의 로딩 애니메이션을 제공합니다.
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class CustomLoadingIndicator extends StatefulWidget {
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final double size;
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final Color? color;
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final LoadingStyle style;
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const CustomLoadingIndicator({
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super.key,
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this.size = 50,
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this.color,
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this.style = LoadingStyle.circular,
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});
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@override
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State<CustomLoadingIndicator> createState() => _CustomLoadingIndicatorState();
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}
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class _CustomLoadingIndicatorState extends State<CustomLoadingIndicator>
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with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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duration: const Duration(seconds: 1),
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vsync: this,
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)..repeat();
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_animation = CurvedAnimation(
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parent: _controller,
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curve: Curves.easeInOut,
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);
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final effectiveColor = widget.color ?? Theme.of(context).primaryColor;
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switch (widget.style) {
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case LoadingStyle.circular:
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return SizedBox(
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width: widget.size,
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height: widget.size,
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child: CircularProgressIndicator(
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color: effectiveColor,
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strokeWidth: 3,
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),
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);
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case LoadingStyle.dots:
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return SizedBox(
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width: widget.size,
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height: widget.size / 3,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: List.generate(3, (index) {
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return AnimatedBuilder(
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animation: _animation,
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builder: (context, child) {
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final delay = index * 0.2;
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final value = (_animation.value - delay).clamp(0.0, 1.0);
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return Container(
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width: widget.size / 5,
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height: widget.size / 5,
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decoration: BoxDecoration(
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color: effectiveColor.withOpacity(0.3 + value * 0.7),
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shape: BoxShape.circle,
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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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case LoadingStyle.pulse:
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return AnimatedBuilder(
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animation: _animation,
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builder: (context, child) {
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return Container(
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width: widget.size,
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height: widget.size,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: effectiveColor.withOpacity(0.3),
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),
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child: Center(
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child: Container(
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width: widget.size * (0.3 + _animation.value * 0.5),
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height: widget.size * (0.3 + _animation.value * 0.5),
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: effectiveColor.withOpacity(1 - _animation.value),
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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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enum LoadingStyle {
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circular,
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dots,
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pulse,
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}
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