137 lines
4.2 KiB
Dart
137 lines
4.2 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:lucide_icons/lucide_icons.dart';
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import 'package:provider/provider.dart';
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import 'package:cloudreve4_flutter/presentation/providers/user_setting_provider.dart';
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class StorageUsageCard extends StatelessWidget {
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const StorageUsageCard({super.key});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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return Consumer<UserSettingProvider>(
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builder: (context, userSetting, _) {
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final capacity = userSetting.capacity;
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final used = capacity?.used ?? 0;
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final total = capacity?.total ?? 0;
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final percentage = capacity?.usagePercentage ?? 0;
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(LucideIcons.hardDrive, size: 20, color: colorScheme.primary),
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const SizedBox(width: 8),
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Text('存储空间', style: theme.textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600)),
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],
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),
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const SizedBox(height: 24),
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Center(
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child: SizedBox(
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width: 160,
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height: 90,
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child: CustomPaint(
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painter: _SemiCircleProgressPainter(
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progress: percentage / 100,
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color: colorScheme.primary,
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backgroundColor: colorScheme.primary.withValues(alpha: 0.12),
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),
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),
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),
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),
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const SizedBox(height: 16),
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Center(
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child: Text(
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'${_formatBytes(used)} / ${_formatBytes(total)}',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.hintColor,
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),
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),
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),
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const SizedBox(height: 4),
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Center(
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child: Text(
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'已使用 ${percentage.toStringAsFixed(1)}%',
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.hintColor,
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),
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),
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),
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],
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),
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),
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);
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},
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);
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}
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String _formatBytes(int bytes) {
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if (bytes < 1024) return '$bytes B';
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if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
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if (bytes < 1024 * 1024 * 1024) return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
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return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)} GB';
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}
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}
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class _SemiCircleProgressPainter extends CustomPainter {
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final double progress;
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final Color color;
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final Color backgroundColor;
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_SemiCircleProgressPainter({
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required this.progress,
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required this.color,
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required this.backgroundColor,
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});
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@override
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void paint(Canvas canvas, Size size) {
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final strokeWidth = 14.0;
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final center = Offset(size.width / 2, size.height);
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final radius = min(size.width / 2, size.height) - strokeWidth / 2;
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final bgPaint = Paint()
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..color = backgroundColor
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..strokeWidth = strokeWidth
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..strokeCap = StrokeCap.round
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..style = PaintingStyle.stroke;
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canvas.drawArc(
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Rect.fromCircle(center: center, radius: radius),
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pi,
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pi,
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false,
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bgPaint,
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);
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final fgPaint = Paint()
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..color = color
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..strokeWidth = strokeWidth
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..strokeCap = StrokeCap.round
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..style = PaintingStyle.stroke;
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final sweepAngle = pi * progress.clamp(0.0, 1.0);
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if (sweepAngle > 0) {
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canvas.drawArc(
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Rect.fromCircle(center: center, radius: radius),
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pi,
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sweepAngle,
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false,
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fgPaint,
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);
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}
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}
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@override
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bool shouldRepaint(covariant _SemiCircleProgressPainter oldDelegate) {
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return oldDelegate.progress != progress || oldDelegate.color != color;
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}
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}
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