hondavert-dev/lib/ui/screens/graph/widgets/sensor_graph_panel.dart
HVBT Dev 763821171c feat: Add ECU Frame Debug Screen and DTC Screen
- Implemented RawFrameDebugScreen for displaying ECU frame data and diagnostics.
- Created DtcScreen to show active Diagnostic Trouble Codes (DTCs) with detailed descriptions.
- Added DtcRow widget for individual DTC representation.
- Introduced GraphScreen for visualizing sensor data over time with customizable time windows.
- Developed SensorListScreen to display available sensors and their current values.
- Enhanced SettingsScreen with options for Bluetooth connection, ECU protocol selection, polling interval, and theme settings.
- Added AppColors and AppTheme for consistent theming across the application.
- Implemented BtStatusChip to show Bluetooth connection status in the app bar.
- Created RecordFab for starting and stopping data recording sessions.
2026-07-26 23:14:58 +05:30

134 lines
4.3 KiB
Dart

import 'package:fl_chart/fl_chart.dart';
import 'package:flutter/material.dart';
import '../../../../core/models/sensor_defs.dart';
import '../../../../core/providers/sensor_history_provider.dart';
class SensorGraphPanel extends StatelessWidget {
final String sensorId;
final SensorHistory history;
final int windowSeconds;
final Color accentColor;
final VoidCallback onRemove;
const SensorGraphPanel({
super.key,
required this.sensorId,
required this.history,
required this.windowSeconds,
required this.accentColor,
required this.onRemove,
});
@override
Widget build(BuildContext context) {
final def = sensorDefs.firstWhere(
(d) => d.id == sensorId,
orElse: () => sensorDefs.first,
);
final allSpots = history.get(sensorId);
// Slice to window
final spots = _window(allSpots, windowSeconds.toDouble());
return Container(
margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
padding: const EdgeInsets.fromLTRB(8, 10, 12, 8),
decoration: BoxDecoration(
color: const Color(0xFF1A1A1A),
borderRadius: BorderRadius.circular(10),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header
Row(
children: [
Text(
def.displayName.toUpperCase(),
style: TextStyle(
color: accentColor,
fontSize: 11,
letterSpacing: 1.5,
fontWeight: FontWeight.w600,
),
),
const SizedBox(width: 6),
Text(
def.unit,
style: const TextStyle(color: Colors.grey, fontSize: 11),
),
const Spacer(),
if (spots.isNotEmpty)
Text(
_fmt(spots.last.y),
style: const TextStyle(
color: Colors.white,
fontSize: 14,
fontWeight: FontWeight.bold,
),
),
const SizedBox(width: 8),
GestureDetector(
onTap: onRemove,
child: const Icon(Icons.close,
size: 16, color: Colors.white38),
),
],
),
const SizedBox(height: 8),
// Chart
SizedBox(
height: 90,
child: spots.length < 2
? const Center(
child: Text('Waiting for data…',
style: TextStyle(color: Colors.white30,
fontSize: 12)))
: LineChart(
LineChartData(
gridData: FlGridData(
show: true,
drawVerticalLine: false,
getDrawingHorizontalLine: (_) => FlLine(
color: Colors.white10,
strokeWidth: 1,
),
),
borderData: FlBorderData(show: false),
titlesData: const FlTitlesData(show: false),
minY: def.min.toDouble(),
maxY: def.max.toDouble(),
lineBarsData: [
LineChartBarData(
spots: spots,
isCurved: true,
curveSmoothness: 0.2,
color: accentColor,
barWidth: 1.5,
dotData: const FlDotData(show: false),
belowBarData: BarAreaData(
show: true,
color: accentColor.withAlpha(25),
),
),
],
),
duration: Duration.zero,
),
),
],
),
);
}
List<FlSpot> _window(List<FlSpot> spots, double windowSec) {
if (spots.isEmpty) return spots;
final maxX = spots.last.x;
final minX = maxX - windowSec;
return spots.where((s) => s.x >= minX).toList();
}
String _fmt(double v) =>
v.abs() >= 100 ? v.toStringAsFixed(1) : v.toStringAsFixed(2);
}