1035 lines
38 KiB
Dart
1035 lines
38 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:math' as math;
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import 'package:fl_chart/fl_chart.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:syncfusion_flutter_gauges/gauges.dart';
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import '../../../../core/app/app_user_cubit.dart';
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import '../../../../core/di/injection.dart';
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import '../../../../core/network/net_message_dispatcher.dart';
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import '../../../../core/network/protocol_decoder.dart';
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import '../../../devices/presentation/bloc/devices_cubit.dart';
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import '../../../devices/presentation/bloc/device_status_bloc.dart';
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import '../../../devices/presentation/bloc/device_status_state.dart';
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class RunningStatusPage extends StatefulWidget {
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const RunningStatusPage({super.key});
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@override
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State<RunningStatusPage> createState() => _RunningStatusPageState();
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}
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class _RunningStatusPageState extends State<RunningStatusPage> {
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bool _isCardView = true;
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// 仪表盘/折线图切换状态
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bool _voltageGaugeMode = true;
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bool _chipTempGaugeMode = true;
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bool _knifeSpeedGaugeMode = false;
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// 历史数据
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final List<FlSpot> _leftMeasureHistory = [];
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final List<FlSpot> _rightMeasureHistory = [];
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final List<FlSpot> _leftTargetHistory = [];
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final List<FlSpot> _rightTargetHistory = [];
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final List<FlSpot> _leftCurrentHistory = [];
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final List<FlSpot> _rightCurrentHistory = [];
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final List<FlSpot> _leftTempHistory = [];
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final List<FlSpot> _rightTempHistory = [];
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final List<FlSpot> _knifeHistory = [];
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final List<FlSpot> _chipTempHistory = [];
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final List<FlSpot> _voltageHistory = [];
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double _timeIndex = 0;
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// 兼容低版本的 takeLast 方法
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List<T> _takeLast<T>(List<T> list, int count) {
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if (list.length <= count) {
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return List.from(list);
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}
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return list.sublist(list.length - count);
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}
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void _limit(List<FlSpot> list, {int max = 30}) {
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if (list.length > max) list.removeAt(0);
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}
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void _refreshDeviceData() {
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final deviceState = context.read<DevicesCubit>().state;
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final currentDevice = deviceState.selectedDevice;
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if (currentDevice != null) {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("数据刷新成功！"), duration: Duration(seconds: 1)));
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} else {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("暂无设备，无法刷新"), duration: Duration(seconds: 1)));
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}
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}
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String _parseLocationQuality(int locationValue) {
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switch (locationValue) {
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case 0:
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return '无效';
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case 1:
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return 'GPS 单点定位';
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case 2:
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return 'DGPS 伪距差分或 SBAS';
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case 4:
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return 'RTK 固定解';
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case 5:
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return 'RTK 浮点解';
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default:
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return '未知($locationValue)';
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}
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}
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void _appendChartData(DeviceStatusUpdated state) {
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final status = state.status;
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_leftTargetHistory.add(FlSpot(_timeIndex, status.leftTargetSpeed));
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_rightTargetHistory.add(FlSpot(_timeIndex, status.rightTargetSpeed));
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_leftMeasureHistory.add(FlSpot(_timeIndex, status.leftMeasureSpeed));
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_rightMeasureHistory.add(FlSpot(_timeIndex, status.rightMeasureSpeed));
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_leftCurrentHistory.add(FlSpot(_timeIndex, status.leftCurrent));
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_rightCurrentHistory.add(FlSpot(_timeIndex, status.rightCurrent));
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_leftTempHistory.add(FlSpot(_timeIndex, status.leftMotorTemp));
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_rightTempHistory.add(FlSpot(_timeIndex, status.rightMotorTemp));
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_knifeHistory.add(FlSpot(_timeIndex, double.tryParse(status.knifeCuttingSpeed) ?? 0));
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_chipTempHistory.add(FlSpot(_timeIndex, status.chipTemp));
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_voltageHistory.add(FlSpot(_timeIndex, status.voltage));
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_timeIndex += 1;
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_limit(_leftTargetHistory);
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_limit(_rightTargetHistory);
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_limit(_leftMeasureHistory);
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_limit(_rightMeasureHistory);
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_limit(_leftCurrentHistory);
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_limit(_rightCurrentHistory);
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_limit(_leftTempHistory);
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_limit(_rightTempHistory);
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_limit(_knifeHistory);
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_limit(_chipTempHistory);
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_limit(_voltageHistory);
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}
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Widget _gap({double height = 20}) {
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return SizedBox(height: height);
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}
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// ====================== 图表卡片（统一样式） ======================
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Widget _chartCard({required String title, required Widget child}) {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [BoxShadow(color: Colors.grey.withOpacity(0.1), blurRadius: 4, offset: const Offset(0, 2))],
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),
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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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children: [
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Text(
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title,
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style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Color(0xFF1677FF)),
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),
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const SizedBox(height: 16),
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child,
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],
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),
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);
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}
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// ====================== 大半个圆仪表盘（电压/芯片温度） ======================
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Widget _largeArcGauge({
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required double value,
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required double maxValue,
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required String unit,
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required String label,
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List<double> majorTicks = const [0, 25, 50, 75, 100, 125, 150, 175, 200, 225, 250],
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}) {
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return SizedBox(
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height: 220,
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child: Stack(
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alignment: Alignment.center,
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children: [
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CustomPaint(
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painter: LargeArcGaugePainter(value: value / maxValue, maxValue: maxValue, majorTicks: majorTicks),
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size: const Size(300, 180),
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),
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Positioned(
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bottom: 10,
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child: Text(
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"${value.toStringAsFixed(2)} $unit",
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style: const TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color: Colors.grey),
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),
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),
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],
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),
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);
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}
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// ====================== 罗盘式航向角仪表盘 ======================
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Widget _compassGauge({required double yaw}) {
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return SizedBox(
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height: 250,
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child: Stack(
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alignment: Alignment.center,
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children: [
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CustomPaint(
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painter: CompassGaugePainter(yaw: yaw),
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size: const Size(280, 280),
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),
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Text(
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"${yaw.toStringAsFixed(0)}°",
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style: const TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color: Colors.black),
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),
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],
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),
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);
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}
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// ====================== 折线图（统一样式） ======================
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Widget _styledLineChart({
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required String title,
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required List<LineChartBarData> lines,
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required double yAxisMax,
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double yAxisMin = 0,
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List<String> bottomLabels = const ["t", "t+1", "t+2", "t+3", "t+4", "t+5"],
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List<double> leftTicks = const [0, 1000, 2000, 3000],
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}) {
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// 获取实际显示的点位数量
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final int showSpotCount = lines.isNotEmpty ? lines.first.spots.length : 0;
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// 计算底部标签的间隔，避免标签过多溢出
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final double bottomInterval = showSpotCount > 6 ? showSpotCount / 6 : 1;
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return Column(
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children: [
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if (lines.length > 1)
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_legendItem(color: const Color(0xFF3F51B5), label: "左轮"),
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const SizedBox(width: 24),
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_legendItem(color: const Color(0xFF8BC34A), label: "右轮"),
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],
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),
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),
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// 用Expanded适配宽度，避免溢出
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Expanded(
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child: SizedBox(
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height: 200,
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child: LineChart(
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LineChartData(
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minY: yAxisMin,
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maxY: yAxisMax,
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gridData: FlGridData(
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show: true,
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horizontalInterval: (yAxisMax - yAxisMin) / leftTicks.length,
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getDrawingHorizontalLine: (value) => const FlLine(color: Color(0xFFE5E5E5), strokeWidth: 1),
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drawVerticalLine: false,
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),
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titlesData: FlTitlesData(
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leftTitles: AxisTitles(
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sideTitles: SideTitles(
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showTitles: true,
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interval: (yAxisMax - yAxisMin) / leftTicks.length,
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getTitlesWidget: (value, meta) {
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if (leftTicks.contains(value)) {
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return Text(value.toStringAsFixed(0), style: const TextStyle(fontSize: 12, color: Colors.grey));
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}
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return const SizedBox.shrink();
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},
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// 限制左侧标签宽度
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reservedSize: 40,
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),
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),
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bottomTitles: AxisTitles(
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sideTitles: SideTitles(
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showTitles: true,
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interval: bottomInterval,
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// 限制底部标签高度和宽度
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reservedSize: 30,
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getTitlesWidget: (value, meta) {
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int idx = value.toInt();
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if (idx >= 0 && idx < bottomLabels.length) {
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return Container(
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width: 40,
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alignment: Alignment.center,
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child: Text(
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bottomLabels[idx],
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style: const TextStyle(fontSize: 12, color: Colors.grey),
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overflow: TextOverflow.ellipsis,
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),
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);
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}
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return const SizedBox.shrink();
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},
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),
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),
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rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
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topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
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),
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borderData: FlBorderData(show: false),
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lineBarsData: lines,
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// 设置图表边距，避免内容贴边
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minX: 0,
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maxX: bottomLabels.length - 1.toDouble(),
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extraLinesData: ExtraLinesData(horizontalLines: []),
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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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Widget _legendItem({required Color color, required String label}) {
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return Row(
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children: [
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Container(
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width: 16,
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height: 16,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: Colors.white,
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border: Border.all(color: color, width: 2),
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),
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),
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const SizedBox(width: 4),
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Text(label, style: const TextStyle(fontSize: 14, color: Colors.black87)),
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],
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);
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}
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LineChartBarData _lineData(List<FlSpot> data, Color color) {
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return LineChartBarData(
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spots: _takeLast(data, 6),
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isCurved: false,
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color: color,
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barWidth: 2,
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isStrokeCapRound: true,
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dotData: FlDotData(
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show: true,
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getDotPainter: (spot, percent, barData, index) => FlDotCirclePainter(radius: 4, color: color, strokeWidth: 2, strokeColor: Colors.white),
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),
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belowBarData: BarAreaData(show: false),
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);
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}
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// ====================== 图表视图 ======================
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Widget _buildChartContentView(DeviceStatusState state) {
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if (state is! DeviceStatusUpdated) {
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return const Center(child: CircularProgressIndicator());
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}
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final status = state.status;
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return SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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children: [
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// 电压仪表盘/折线图
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_chartCard(
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title: "电压 (V)",
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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GestureDetector(
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onTap: () => setState(() => _voltageGaugeMode = true),
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child: Text(
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"仪表盘",
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style: TextStyle(
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color: _voltageGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
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fontSize: 14,
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fontWeight: _voltageGaugeMode ? FontWeight.bold : FontWeight.normal,
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),
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),
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),
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const SizedBox(width: 16),
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GestureDetector(
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onTap: () => setState(() => _voltageGaugeMode = false),
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child: Text(
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"折线图",
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style: TextStyle(
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color: !_voltageGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
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fontSize: 14,
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fontWeight: !_voltageGaugeMode ? FontWeight.bold : FontWeight.normal,
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),
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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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_voltageGaugeMode
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? _largeArcGauge(
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value: status.voltage,
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maxValue: 250,
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unit: "V",
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label: "电压",
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majorTicks: const [0, 25, 50, 75, 100, 125, 150, 175, 200, 225, 250],
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)
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: SizedBox(
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height: 200,
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child: _styledLineChart(
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title: "电压",
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lines: [_lineData(_voltageHistory, const Color(0xFF4CAF50))],
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yAxisMax: 250,
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leftTicks: const [0, 50, 100, 150, 200, 250],
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),
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),
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],
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),
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),
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_gap(),
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// 芯片温度仪表盘/折线图
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_chartCard(
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title: "芯片温度 (°C)",
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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GestureDetector(
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onTap: () => setState(() => _chipTempGaugeMode = true),
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child: Text(
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"仪表盘",
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style: TextStyle(
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color: _chipTempGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
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fontSize: 14,
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fontWeight: _chipTempGaugeMode ? FontWeight.bold : FontWeight.normal,
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),
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),
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),
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const SizedBox(width: 16),
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GestureDetector(
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onTap: () => setState(() => _chipTempGaugeMode = false),
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child: Text(
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"折线图",
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style: TextStyle(
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color: !_chipTempGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
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fontSize: 14,
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fontWeight: !_chipTempGaugeMode ? FontWeight.bold : FontWeight.normal,
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),
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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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_chipTempGaugeMode
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? _largeArcGauge(
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value: status.chipTemp,
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maxValue: 100,
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unit: "°C",
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label: "芯片温度",
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majorTicks: const [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
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)
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: SizedBox(
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height: 200,
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child: _styledLineChart(
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title: "芯片温度",
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lines: [_lineData(_chipTempHistory, const Color(0xFF4CAF50))],
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yAxisMax: 100,
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leftTicks: const [0, 20, 40, 60, 80, 100],
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),
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),
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],
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),
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),
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_gap(),
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// 割刀速度仪表盘/折线图
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_chartCard(
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title: "割刀速度 (rpm)",
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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||
children: [
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GestureDetector(
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onTap: () => setState(() => _knifeSpeedGaugeMode = true),
|
||
child: Text(
|
||
"仪表盘",
|
||
style: TextStyle(
|
||
color: _knifeSpeedGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
|
||
fontSize: 14,
|
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fontWeight: _knifeSpeedGaugeMode ? FontWeight.bold : FontWeight.normal,
|
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),
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),
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),
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const SizedBox(width: 16),
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GestureDetector(
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onTap: () => setState(() => _knifeSpeedGaugeMode = false),
|
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child: Text(
|
||
"折线图",
|
||
style: TextStyle(
|
||
color: !_knifeSpeedGaugeMode ? const Color(0xFF1677FF) : Colors.grey,
|
||
fontSize: 14,
|
||
fontWeight: !_knifeSpeedGaugeMode ? FontWeight.bold : FontWeight.normal,
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),
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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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_knifeSpeedGaugeMode
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||
? _largeArcGauge(
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value: double.tryParse(status.knifeCuttingSpeed) ?? 0,
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maxValue: 3000,
|
||
unit: "rpm",
|
||
label: "割刀速度",
|
||
majorTicks: const [0, 500, 1000, 1500, 2000, 2500, 3000],
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||
)
|
||
: SizedBox(
|
||
height: 200,
|
||
child: _styledLineChart(
|
||
title: "割刀速度",
|
||
lines: [_lineData(_knifeHistory, const Color(0xFF4CAF50))],
|
||
yAxisMax: 3000,
|
||
yAxisMin: -3000,
|
||
leftTicks: const [-3000, -2000, -1000, 0, 1000, 2000, 3000],
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),
|
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),
|
||
],
|
||
),
|
||
),
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_gap(),
|
||
// 测量速度对比（左轮 + 右轮在一张图）
|
||
_chartCard(
|
||
title: "左右轮测量速度对比 (rpm)",
|
||
child: SizedBox(
|
||
height: 200,
|
||
child: _styledLineChart(
|
||
title: "左右轮测量速度对比",
|
||
lines: [
|
||
_lineData(_leftMeasureHistory, const Color(0xFF3F51B5)), // 左轮
|
||
_lineData(_rightMeasureHistory, const Color(0xFF8BC34A)), // 右轮
|
||
],
|
||
yAxisMax: 3000,
|
||
yAxisMin: -3000,
|
||
leftTicks: const [-3000, -2000, -1000, 0, 1000, 2000, 3000],
|
||
),
|
||
),
|
||
),
|
||
|
||
_gap(),
|
||
// 目标速度对比（左轮 + 右轮在一张图）
|
||
_chartCard(
|
||
title: "左右轮目标速度对比 (rpm)",
|
||
child: SizedBox(
|
||
height: 200,
|
||
child: _styledLineChart(
|
||
title: "左右轮目标速度对比",
|
||
lines: [
|
||
_lineData(_leftTargetHistory, const Color(0xFF3F51B5)), // 左轮
|
||
_lineData(_rightTargetHistory, const Color(0xFF8BC34A)), // 右轮
|
||
],
|
||
yAxisMax: 3000,
|
||
yAxisMin: -3000,
|
||
leftTicks: const [-3000, -2000, -1000, 0, 1000, 2000, 3000],
|
||
),
|
||
),
|
||
),
|
||
|
||
_gap(),
|
||
|
||
// 电流对比
|
||
_chartCard(
|
||
title: "电流对比 (A)",
|
||
child: SizedBox(
|
||
height: 200,
|
||
child: _styledLineChart(
|
||
title: "电流对比",
|
||
lines: [_lineData(_leftCurrentHistory, const Color(0xFF3F51B5)), _lineData(_rightCurrentHistory, const Color(0xFF8BC34A))],
|
||
yAxisMax: 100,
|
||
leftTicks: const [0, 20, 40, 60, 80, 100],
|
||
),
|
||
),
|
||
),
|
||
_gap(),
|
||
|
||
// 电机温度对比
|
||
_chartCard(
|
||
title: "电机温度对比 (°C)",
|
||
child: SizedBox(
|
||
height: 200,
|
||
child: _styledLineChart(
|
||
title: "电机温度对比",
|
||
lines: [_lineData(_leftTempHistory, const Color(0xFF3F51B5)), _lineData(_rightTempHistory, const Color(0xFF8BC34A))],
|
||
yAxisMax: 100,
|
||
leftTicks: const [0, 20, 40, 60, 80, 100],
|
||
),
|
||
),
|
||
),
|
||
|
||
// 航向角仪表盘
|
||
_chartCard(
|
||
title: "航向角 (°)",
|
||
child: _compassGauge(yaw: status.yaw),
|
||
),
|
||
_gap(),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
// ====================== 卡片视图 ======================
|
||
Widget _buildCardContentView(DeviceStatusState state) {
|
||
if (state is DeviceStatusUpdated) {
|
||
return SingleChildScrollView(
|
||
padding: const EdgeInsets.all(16),
|
||
child: Column(children: [_buildMotorTable(state), const SizedBox(height: 20), _buildOtherParamsTable(state)]),
|
||
);
|
||
} else if (state is DeviceStatusError) {
|
||
return const Center(
|
||
child: Text("数据加载失败", style: TextStyle(color: Colors.red, fontSize: 16)),
|
||
);
|
||
} else {
|
||
return const Center(child: CircularProgressIndicator());
|
||
}
|
||
}
|
||
|
||
Widget _buildMotorTable(DeviceStatusUpdated state) {
|
||
final status = state.status;
|
||
return Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
const Padding(
|
||
padding: EdgeInsets.symmetric(vertical: 12),
|
||
child: Text("电机参数", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
|
||
),
|
||
Table(
|
||
border: TableBorder.all(color: const Color(0xFFE5E5E5)),
|
||
defaultVerticalAlignment: TableCellVerticalAlignment.middle,
|
||
children: [
|
||
TableRow(
|
||
decoration: const BoxDecoration(color: Color(0xFFF5F5F5)),
|
||
children: [const SizedBox(), _buildTableCell("左轮", isHeader: true), _buildTableCell("右轮", isHeader: true)],
|
||
),
|
||
TableRow(
|
||
children: [
|
||
_buildTableCell("目标速度\n(rpm)"),
|
||
_buildTableCell(status.leftTargetSpeed.toStringAsFixed(2)),
|
||
_buildTableCell(status.rightTargetSpeed.toStringAsFixed(2)),
|
||
],
|
||
),
|
||
TableRow(
|
||
children: [
|
||
_buildTableCell("测量速度\n(rpm)"),
|
||
_buildTableCell(status.leftMeasureSpeed.toStringAsFixed(2)),
|
||
_buildTableCell(status.rightMeasureSpeed.toStringAsFixed(2)),
|
||
],
|
||
),
|
||
TableRow(
|
||
children: [
|
||
_buildTableCell("电流(A)"),
|
||
_buildTableCell(status.leftCurrent.toStringAsFixed(2)),
|
||
_buildTableCell(status.rightCurrent.toStringAsFixed(2)),
|
||
],
|
||
),
|
||
TableRow(
|
||
children: [
|
||
_buildTableCell("电机温度(°C)"),
|
||
_buildTableCell(status.leftMotorTemp.toStringAsFixed(2)),
|
||
_buildTableCell(status.rightMotorTemp.toStringAsFixed(2)),
|
||
],
|
||
),
|
||
],
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildOtherParamsTable(DeviceStatusUpdated state) {
|
||
final status = state.status;
|
||
return Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
const Padding(
|
||
padding: EdgeInsets.symmetric(vertical: 12),
|
||
child: Text("其他参数", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
|
||
),
|
||
Table(
|
||
border: TableBorder.all(color: const Color(0xFFE5E5E5)),
|
||
defaultVerticalAlignment: TableCellVerticalAlignment.middle,
|
||
children: [
|
||
TableRow(
|
||
decoration: const BoxDecoration(color: Color(0xFFF5F5F5)),
|
||
children: [_buildTableCell("名称", isHeader: true), _buildTableCell("数值", isHeader: true)],
|
||
),
|
||
TableRow(children: [_buildTableCell("俯仰角(°)"), _buildTableCell(status.pitch.toStringAsFixed(2))]),
|
||
TableRow(children: [_buildTableCell("翻滚角(°)"), _buildTableCell(status.roll.toStringAsFixed(2))]),
|
||
TableRow(children: [_buildTableCell("航向角(°)"), _buildTableCell(status.yaw.toStringAsFixed(2))]),
|
||
TableRow(children: [_buildTableCell("电量(%)"), _buildTableCell(status.battery)]),
|
||
TableRow(children: [_buildTableCell("芯片温度(°C)"), _buildTableCell(status.chipTemp.toStringAsFixed(2))]),
|
||
TableRow(children: [_buildTableCell("割刀速度(rpm)"), _buildTableCell(status.knifeCuttingSpeed)]),
|
||
TableRow(children: [_buildTableCell("经度(°)"), _buildTableCell(status.longitude.toStringAsFixed(6))]),
|
||
TableRow(children: [_buildTableCell("纬度(°)"), _buildTableCell(status.latitude.toStringAsFixed(6))]),
|
||
],
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildTableCell(String text, {bool isHeader = false}) {
|
||
return TableCell(
|
||
child: Padding(
|
||
padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 6),
|
||
child: Text(
|
||
text,
|
||
textAlign: TextAlign.center,
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: isHeader ? const Color(0xFF333333) : const Color(0xFF666666),
|
||
fontWeight: isHeader ? FontWeight.bold : FontWeight.normal,
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildTab(String title, {required bool isActive}) {
|
||
return Text(
|
||
title,
|
||
style: TextStyle(
|
||
color: isActive ? const Color(0xFF1677FF) : const Color(0xFF666666),
|
||
fontSize: 16,
|
||
fontWeight: isActive ? FontWeight.bold : FontWeight.normal,
|
||
decoration: isActive ? TextDecoration.underline : null,
|
||
decorationColor: const Color(0xFF1677FF),
|
||
decorationThickness: 2,
|
||
),
|
||
);
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final deviceState = context.read<DevicesCubit>().state;
|
||
final currentDevice = deviceState.selectedDevice;
|
||
|
||
if (currentDevice == null) {
|
||
return const Scaffold(body: Center(child: Text("加载中...")));
|
||
}
|
||
|
||
return Scaffold(
|
||
backgroundColor: const Color(0xFFF7F7F7),
|
||
body: CustomScrollView(
|
||
physics: const BouncingScrollPhysics(),
|
||
slivers: [
|
||
SliverAppBar(
|
||
backgroundColor: const Color(0xFF1677FF),
|
||
pinned: true,
|
||
centerTitle: true,
|
||
elevation: 0,
|
||
title: const Text(
|
||
"设备数据监控",
|
||
style: TextStyle(color: Colors.white, fontSize: 18, fontWeight: FontWeight.bold),
|
||
),
|
||
leading: IconButton(
|
||
icon: const Icon(Icons.arrow_back, color: Colors.white),
|
||
onPressed: () => Navigator.pop(context),
|
||
),
|
||
),
|
||
|
||
BlocBuilder<DeviceStatusBloc, DeviceStatusState>(
|
||
builder: (context, state) {
|
||
String qual = '--';
|
||
String satelliteCnt = '--';
|
||
String headingStatus = "--";
|
||
|
||
if (state is DeviceStatusUpdated) {
|
||
headingStatus = state.status.headingStatus == 0 ? '未初始化' : '已初始化';
|
||
int qualValue = 0;
|
||
try {
|
||
qualValue = int.parse(state.status.qual.toString());
|
||
} catch (e) {
|
||
qualValue = 0;
|
||
}
|
||
qual = _parseLocationQuality(qualValue);
|
||
satelliteCnt = state.status.satelliteCnt.toString();
|
||
} else if (state is DeviceStatusError) {
|
||
qual = '-';
|
||
satelliteCnt = '-';
|
||
headingStatus = '-';
|
||
}
|
||
|
||
return SliverToBoxAdapter(
|
||
child: Container(
|
||
color: Colors.white,
|
||
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
Expanded(
|
||
flex: 3,
|
||
child: Text("航向角状态：$headingStatus", style: const TextStyle(fontSize: 12), maxLines: 1, overflow: TextOverflow.ellipsis),
|
||
),
|
||
Expanded(
|
||
flex: 4,
|
||
child: Text(
|
||
"定位质量：$qual",
|
||
style: const TextStyle(fontSize: 12),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis,
|
||
textAlign: TextAlign.center,
|
||
),
|
||
),
|
||
Expanded(
|
||
flex: 2,
|
||
child: Text(
|
||
"卫星数：$satelliteCnt",
|
||
style: const TextStyle(fontSize: 12),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis,
|
||
textAlign: TextAlign.right,
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
},
|
||
),
|
||
|
||
SliverToBoxAdapter(
|
||
child: Container(
|
||
color: Colors.white,
|
||
margin: const EdgeInsets.only(top: 8),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
Row(
|
||
children: [
|
||
GestureDetector(
|
||
onTap: () => setState(() => _isCardView = true),
|
||
child: _buildTab("卡片", isActive: _isCardView),
|
||
),
|
||
const SizedBox(width: 24),
|
||
GestureDetector(
|
||
onTap: () => setState(() => _isCardView = false),
|
||
child: _buildTab("图表", isActive: !_isCardView),
|
||
),
|
||
],
|
||
),
|
||
ElevatedButton(
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: const Color(0xFF1677FF),
|
||
foregroundColor: Colors.white,
|
||
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4)),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
),
|
||
onPressed: _refreshDeviceData,
|
||
child: const Text("刷新数据", style: TextStyle(fontSize: 14)),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
|
||
SliverToBoxAdapter(
|
||
child: BlocBuilder<DeviceStatusBloc, DeviceStatusState>(
|
||
builder: (context, state) {
|
||
if (state is DeviceStatusUpdated) {
|
||
_appendChartData(state);
|
||
}
|
||
return Container(
|
||
margin: const EdgeInsets.all(16),
|
||
decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(8)),
|
||
child: _isCardView ? _buildCardContentView(state) : _buildChartContentView(state),
|
||
);
|
||
},
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
// ====================== 大半个圆仪表盘绘制器 ======================
|
||
class LargeArcGaugePainter extends CustomPainter {
|
||
final double value;
|
||
final double maxValue;
|
||
final List<double> majorTicks;
|
||
|
||
LargeArcGaugePainter({required this.value, required this.maxValue, required this.majorTicks});
|
||
|
||
@override
|
||
void paint(Canvas canvas, Size size) {
|
||
final center = Offset(size.width / 2, size.height);
|
||
final radius = size.width / 2 - 20;
|
||
|
||
// 背景弧（大半个圆，从 -135° 到 135°）
|
||
final bgPaint = Paint()
|
||
..color = const Color(0xFFE3F2FD)
|
||
..style = PaintingStyle.stroke
|
||
..strokeWidth = 20
|
||
..strokeCap = StrokeCap.round;
|
||
|
||
canvas.drawArc(Rect.fromCircle(center: center, radius: radius), -135 * math.pi / 180, 270 * math.pi / 180, false, bgPaint);
|
||
|
||
// 进度弧
|
||
final progressPaint = Paint()
|
||
..color = const Color(0xFFBBDEFB)
|
||
..style = PaintingStyle.stroke
|
||
..strokeWidth = 20
|
||
..strokeCap = StrokeCap.round;
|
||
|
||
canvas.drawArc(Rect.fromCircle(center: center, radius: radius), -135 * math.pi / 180, 270 * math.pi / 180 * value, false, progressPaint);
|
||
|
||
// 刻度
|
||
final tickPaint = Paint()
|
||
..color = Colors.black54
|
||
..strokeWidth = 2;
|
||
|
||
for (int i = 0; i <= 45; i++) {
|
||
final angle = -135 * math.pi / 180 + (270 * math.pi / 180) * (i / 45);
|
||
final x1 = center.dx + (radius - 15) * math.cos(angle);
|
||
final y1 = center.dy + (radius - 15) * math.sin(angle);
|
||
final x2 = center.dx + radius * math.cos(angle);
|
||
final y2 = center.dy + radius * math.sin(angle);
|
||
canvas.drawLine(Offset(x1, y1), Offset(x2, y2), tickPaint);
|
||
|
||
// 主刻度
|
||
if (majorTicks.contains(i * (maxValue / 45))) {
|
||
final x3 = center.dx + (radius - 25) * math.cos(angle);
|
||
final y3 = center.dy + (radius - 25) * math.sin(angle);
|
||
canvas.drawLine(Offset(x1, y1), Offset(x3, y3), tickPaint..strokeWidth = 4);
|
||
|
||
// 刻度值
|
||
final textValue = (i * (maxValue / 45)).toStringAsFixed(0);
|
||
final textPainter = TextPainter(
|
||
text: TextSpan(
|
||
text: textValue,
|
||
style: const TextStyle(fontSize: 16, color: Colors.black54),
|
||
),
|
||
textDirection: TextDirection.ltr,
|
||
)..layout();
|
||
final textX = center.dx + (radius - 40) * math.cos(angle) - textPainter.width / 2;
|
||
final textY = center.dy + (radius - 40) * math.sin(angle) - textPainter.height / 2;
|
||
textPainter.paint(canvas, Offset(textX, textY));
|
||
}
|
||
}
|
||
|
||
// 指针（修正方向）
|
||
final needleAngle = -135 * math.pi / 180 + 270 * math.pi / 180 * value;
|
||
final needlePaint = Paint()
|
||
..color = const Color(0xFF90A4AE)
|
||
..style = PaintingStyle.fill;
|
||
|
||
final needlePath = Path()
|
||
..moveTo(center.dx, center.dy)
|
||
..lineTo(center.dx + radius * 0.8 * math.cos(needleAngle - 0.03), center.dy + radius * 0.8 * math.sin(needleAngle - 0.03))
|
||
..lineTo(center.dx + radius * 0.8 * math.cos(needleAngle + 0.03), center.dy + radius * 0.8 * math.sin(needleAngle + 0.03))
|
||
..close();
|
||
|
||
canvas.drawPath(needlePath, needlePaint);
|
||
}
|
||
|
||
@override
|
||
bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
|
||
}
|
||
|
||
// ====================== 罗盘式航向角仪表盘绘制器 ======================
|
||
class CompassGaugePainter extends CustomPainter {
|
||
final double yaw;
|
||
|
||
CompassGaugePainter({required this.yaw});
|
||
|
||
@override
|
||
void paint(Canvas canvas, Size size) {
|
||
final center = Offset(size.width / 2, size.height / 2);
|
||
final radius = size.width / 2 - 20;
|
||
|
||
// 外圈
|
||
final outerPaint = Paint()
|
||
..color = const Color(0xFF1677FF)
|
||
..style = PaintingStyle.stroke
|
||
..strokeWidth = 12;
|
||
|
||
canvas.drawCircle(center, radius, outerPaint);
|
||
|
||
// 刻度
|
||
final tickPaint = Paint()
|
||
..color = Colors.grey
|
||
..strokeWidth = 2;
|
||
|
||
for (int i = 0; i < 36; i++) {
|
||
final angle = (i * 10 - 90) * math.pi / 180;
|
||
final x1 = center.dx + (radius - 10) * math.cos(angle);
|
||
final y1 = center.dy + (radius - 10) * math.sin(angle);
|
||
final x2 = center.dx + radius * math.cos(angle);
|
||
final y2 = center.dy + radius * math.sin(angle);
|
||
canvas.drawLine(Offset(x1, y1), Offset(x2, y2), tickPaint);
|
||
|
||
// 主刻度（45°间隔）
|
||
if (i % 9 == 0) {
|
||
final x3 = center.dx + (radius - 20) * math.cos(angle);
|
||
final y3 = center.dy + (radius - 20) * math.sin(angle);
|
||
canvas.drawLine(Offset(x1, y1), Offset(x3, y3), tickPaint..strokeWidth = 4);
|
||
|
||
// 方向文字
|
||
final direction = i == 0
|
||
? "N"
|
||
: i == 9
|
||
? "E"
|
||
: i == 18
|
||
? "S"
|
||
: i == 27
|
||
? "W"
|
||
: "";
|
||
if (direction.isNotEmpty) {
|
||
final textPainter = TextPainter(
|
||
text: TextSpan(
|
||
text: direction,
|
||
style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.black),
|
||
),
|
||
textDirection: TextDirection.ltr,
|
||
)..layout();
|
||
final textX = center.dx + (radius - 40) * math.cos(angle) - textPainter.width / 2;
|
||
final textY = center.dy + (radius - 40) * math.sin(angle) - textPainter.height / 2;
|
||
textPainter.paint(canvas, Offset(textX, textY));
|
||
}
|
||
|
||
// 角度值
|
||
final angleValue = (i * 10).toString();
|
||
final textPainter = TextPainter(
|
||
text: TextSpan(
|
||
text: angleValue,
|
||
style: const TextStyle(fontSize: 14, color: Colors.black54),
|
||
),
|
||
textDirection: TextDirection.ltr,
|
||
)..layout();
|
||
final textX = center.dx + (radius - 60) * math.cos(angle) - textPainter.width / 2;
|
||
final textY = center.dy + (radius - 60) * math.sin(angle) - textPainter.height / 2;
|
||
textPainter.paint(canvas, Offset(textX, textY));
|
||
}
|
||
}
|
||
|
||
// 指针
|
||
final needleAngle = (yaw - 90) * math.pi / 180;
|
||
final needlePaint = Paint()
|
||
..color = Colors.red
|
||
..style = PaintingStyle.fill;
|
||
|
||
final needlePath = Path()
|
||
..moveTo(center.dx, center.dy)
|
||
..lineTo(center.dx + radius * 0.7 * math.cos(needleAngle - 0.03), center.dy + radius * 0.7 * math.sin(needleAngle - 0.03))
|
||
..lineTo(center.dx + radius * 0.7 * math.cos(needleAngle + 0.03), center.dy + radius * 0.7 * math.sin(needleAngle + 0.03))
|
||
..close();
|
||
|
||
canvas.drawPath(needlePath, needlePaint);
|
||
}
|
||
|
||
@override
|
||
bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
|
||
}
|