76 lines
2.0 KiB
Dart
76 lines
2.0 KiB
Dart
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import 'package:flutter/material.dart';
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/// 指标卡片：展示设备单项运行指标。
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class MetricCard extends StatelessWidget {
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const MetricCard({
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super.key,
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required this.icon,
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required this.title,
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required this.value,
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this.progress,
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this.accentColor,
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});
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/// 指标图标。
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final IconData icon;
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/// 指标名称（如：CPU 使用率）。
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final String title;
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/// 指标值文本（如：87.0%）。
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final String value;
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/// 进度（0.0 ~ 1.0），为 null 时不显示进度条。
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final double? progress;
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/// 强调色，默认使用主题主色。
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final Color? accentColor;
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@override
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Widget build(BuildContext context) {
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final color = accentColor ?? Theme.of(context).colorScheme.primary;
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final progressValue = progress?.clamp(0.0, 1.0).toDouble();
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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Icon(icon, size: 20, color: color),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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title,
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style: Theme.of(context).textTheme.bodyMedium,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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const SizedBox(height: 12),
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Text(
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value,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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if (progressValue != null) ...[
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const SizedBox(height: 12),
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LinearProgressIndicator(
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value: progressValue,
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color: color,
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backgroundColor: color.withOpacity(0.15),
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borderRadius: BorderRadius.circular(4),
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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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