Files
lunchpick/lib/core/widgets/empty_state_widget.dart
2025-11-19 16:36:39 +09:00

150 lines
4.3 KiB
Dart

import 'package:flutter/material.dart';
import '../constants/app_colors.dart';
import '../constants/app_typography.dart';
/// 빈 상태 위젯
///
/// 데이터가 없을 때 표시하는 공통 위젯
class EmptyStateWidget extends StatelessWidget {
/// 제목
final String title;
/// 설명 메시지 (선택사항)
final String? message;
/// 아이콘 (선택사항)
final IconData? icon;
/// 아이콘 크기
final double iconSize;
/// 액션 버튼 텍스트 (선택사항)
final String? actionText;
/// 액션 버튼 콜백 (선택사항)
final VoidCallback? onAction;
/// 커스텀 위젯 (아이콘 대신 사용할 수 있음)
final Widget? customWidget;
const EmptyStateWidget({
super.key,
required this.title,
this.message,
this.icon,
this.iconSize = 80.0,
this.actionText,
this.onAction,
this.customWidget,
});
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return Center(
child: Padding(
padding: const EdgeInsets.all(32.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
// 아이콘 또는 커스텀 위젯
if (customWidget != null)
customWidget!
else if (icon != null)
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color:
(isDark ? AppColors.darkPrimary : AppColors.lightPrimary)
.withValues(alpha: 0.1),
shape: BoxShape.circle,
),
child: Icon(
icon,
size: iconSize,
color: isDark
? AppColors.darkTextSecondary
: AppColors.lightTextSecondary,
),
),
const SizedBox(height: 24),
// 제목
Text(
title,
style: AppTypography.heading2(isDark),
textAlign: TextAlign.center,
),
// 설명 메시지 (있을 경우)
if (message != null) ...[
const SizedBox(height: 12),
Text(
message!,
style: AppTypography.body2(isDark),
textAlign: TextAlign.center,
maxLines: 3,
overflow: TextOverflow.ellipsis,
),
],
// 액션 버튼 (있을 경우)
if (actionText != null && onAction != null) ...[
const SizedBox(height: 32),
ElevatedButton(
onPressed: onAction,
style: ElevatedButton.styleFrom(
backgroundColor: isDark
? AppColors.darkPrimary
: AppColors.lightPrimary,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 12,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: Text(
actionText!,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
),
),
),
],
],
),
),
);
}
}
/// 리스트 빈 상태 위젯
///
/// 리스트나 그리드가 비어있을 때 사용하는 특화된 위젯
class ListEmptyStateWidget extends StatelessWidget {
/// 아이템 유형 (예: "식당", "기록" 등)
final String itemType;
/// 추가 액션 콜백 (선택사항)
final VoidCallback? onAdd;
const ListEmptyStateWidget({super.key, required this.itemType, this.onAdd});
@override
Widget build(BuildContext context) {
return EmptyStateWidget(
icon: Icons.inbox_outlined,
title: '$itemType이(가) 없습니다',
message: '새로운 $itemType을(를) 추가해보세요',
actionText: onAdd != null ? '$itemType 추가' : null,
onAction: onAdd,
);
}
}