129 lines
3.7 KiB
Dart
129 lines
3.7 KiB
Dart
|
import 'package:flutter/material.dart';
|
||
|
|
|
||
|
|
class AppErrorState extends StatelessWidget {
|
||
|
|
final String title;
|
||
|
|
final String? message;
|
||
|
|
final IconData icon;
|
||
|
|
final VoidCallback? onRetry;
|
||
|
|
final Widget? action;
|
||
|
|
final bool compact;
|
||
|
|
final bool panel;
|
||
|
|
final Color? foregroundColor;
|
||
|
|
|
||
|
|
const AppErrorState({
|
||
|
|
super.key,
|
||
|
|
this.title = '加载失败',
|
||
|
|
this.message,
|
||
|
|
this.icon = Icons.error_outline,
|
||
|
|
this.onRetry,
|
||
|
|
this.action,
|
||
|
|
this.compact = false,
|
||
|
|
this.panel = false,
|
||
|
|
this.foregroundColor,
|
||
|
|
});
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
final theme = Theme.of(context);
|
||
|
|
final child = ConstrainedBox(
|
||
|
|
constraints: BoxConstraints(maxWidth: compact ? 420 : 520),
|
||
|
|
child: Padding(
|
||
|
|
padding: EdgeInsets.all(compact ? 16 : 28),
|
||
|
|
child: Column(
|
||
|
|
mainAxisSize: MainAxisSize.min,
|
||
|
|
children: [
|
||
|
|
Container(
|
||
|
|
width: compact ? 36 : 48,
|
||
|
|
height: compact ? 36 : 48,
|
||
|
|
decoration: BoxDecoration(
|
||
|
|
color: theme.colorScheme.errorContainer.withValues(alpha: 0.72),
|
||
|
|
borderRadius: BorderRadius.circular(8),
|
||
|
|
),
|
||
|
|
child: Icon(
|
||
|
|
icon,
|
||
|
|
size: compact ? 20 : 26,
|
||
|
|
color: theme.colorScheme.onErrorContainer,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
SizedBox(height: compact ? 10 : 14),
|
||
|
|
Text(
|
||
|
|
title,
|
||
|
|
textAlign: TextAlign.center,
|
||
|
|
style:
|
||
|
|
(compact
|
||
|
|
? theme.textTheme.titleSmall
|
||
|
|
: theme.textTheme.titleMedium)
|
||
|
|
?.copyWith(
|
||
|
|
color: foregroundColor,
|
||
|
|
fontWeight: FontWeight.w600,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
if (message != null && message!.isNotEmpty) ...[
|
||
|
|
const SizedBox(height: 8),
|
||
|
|
Text(
|
||
|
|
message!,
|
||
|
|
textAlign: TextAlign.center,
|
||
|
|
style: theme.textTheme.bodyMedium?.copyWith(
|
||
|
|
color:
|
||
|
|
foregroundColor?.withValues(alpha: 0.72) ??
|
||
|
|
theme.colorScheme.onSurfaceVariant,
|
||
|
|
height: 1.4,
|
||
|
|
),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
if (action != null || onRetry != null) ...[
|
||
|
|
SizedBox(height: compact ? 14 : 18),
|
||
|
|
action ?? _RetryButton(onPressed: onRetry!),
|
||
|
|
],
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
|
||
|
|
final content = panel
|
||
|
|
? DecoratedBox(
|
||
|
|
decoration: BoxDecoration(
|
||
|
|
color: theme.colorScheme.surface.withValues(alpha: 0.86),
|
||
|
|
borderRadius: BorderRadius.circular(8),
|
||
|
|
border: Border.all(
|
||
|
|
color: theme.colorScheme.outlineVariant.withValues(alpha: 0.5),
|
||
|
|
),
|
||
|
|
boxShadow: [
|
||
|
|
BoxShadow(
|
||
|
|
color: Colors.black.withValues(alpha: 0.10),
|
||
|
|
blurRadius: 28,
|
||
|
|
offset: const Offset(0, 16),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
child: child,
|
||
|
|
)
|
||
|
|
: child;
|
||
|
|
|
||
|
|
return Center(
|
||
|
|
child: Padding(
|
||
|
|
padding: EdgeInsets.all(compact ? 16 : 32),
|
||
|
|
child: content,
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class _RetryButton extends StatelessWidget {
|
||
|
|
final VoidCallback onPressed;
|
||
|
|
|
||
|
|
const _RetryButton({required this.onPressed});
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return FilledButton.icon(
|
||
|
|
onPressed: onPressed,
|
||
|
|
icon: const Icon(Icons.refresh, size: 18),
|
||
|
|
label: const Text('重试'),
|
||
|
|
style: FilledButton.styleFrom(
|
||
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(6)),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|