rwadurian/frontend/mining-app/lib/presentation/pages/home/widgets/price_card.dart

96 lines
3.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../../core/constants/app_colors.dart';
import '../../../../core/utils/format_utils.dart';
import '../../../providers/mining_providers.dart';
class PriceCard extends ConsumerWidget {
const PriceCard({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final globalState = ref.watch(globalStateProvider);
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: globalState.when(
data: (state) {
if (state == null) {
return const Center(child: Text('暂无数据'));
}
final isPriceUp = state.isPriceUp;
return Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'当前价格',
style: TextStyle(
color: AppColors.textSecondary,
fontSize: 12,
),
),
const SizedBox(height: 4),
Text(
formatPrice(state.currentPrice),
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: isPriceUp ? AppColors.up : AppColors.down,
),
),
const Text(
'绿积分/股',
style: TextStyle(
color: AppColors.textMuted,
fontSize: 12,
),
),
],
),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: (isPriceUp ? AppColors.up : AppColors.down).withOpacity(0.1),
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
isPriceUp ? Icons.arrow_upward : Icons.arrow_downward,
size: 16,
color: isPriceUp ? AppColors.up : AppColors.down,
),
const SizedBox(width: 4),
Text(
formatPercent(state.priceChange24h),
style: TextStyle(
color: isPriceUp ? AppColors.up : AppColors.down,
fontWeight: FontWeight.w500,
),
),
],
),
),
],
);
},
loading: () => const SizedBox(
height: 80,
child: Center(child: CircularProgressIndicator()),
),
error: (_, __) => const SizedBox(
height: 80,
child: Center(child: Text('加载失败')),
),
),
),
);
}
}