pile_nav_new/lib/pages/pass_track/view.dart

//字体
import 'dart:developer';

import 'package:cpnav/controllers/gnss_controller.dart';
import 'package:cpnav/main.dart';
import 'package:cpnav/pages/aim_point/aimpoint_page.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import 'package:scence_map/controllers/controller.dart';
import 'package:scence_map/record_entity.dart';
import 'package:scence_map/scence_map.dart';
import '../../service/pile/device_type.dart';
import '../aim_point/aimpoint_controller.dart';
import '../dataAndDevice/real_data.dart';
import '../dataAndDevice/real_device.dart';
import '../real/real_data_card.dart';

import "controller.dart";

ScenceMapController mapcontroller = Get.put(ScenceMapController());

class PassTackAndDevice extends StatelessWidget {
  final RecordEntity? currentPoint;
  PassTackAndDevice({this.currentPoint});
  final controller = Get.put(PassTrackController());

  @override
  Widget build(BuildContext context) {
    if (controller.isDeviceShow.value) {
      return Row(
        children: [
          Expanded(
            flex: 2,
            child: RealDeviceView(),
          ),
          Expanded(
            flex: 5,
            child: PassTrack(currentPoint: currentPoint),
          ),
          Expanded(flex: 2, child: RealDataContainer()),
        ],
      );
    } else {
      return Row(
        children: [
          Expanded(
            flex: 7,
            child: PassTrack(currentPoint: currentPoint),
          ),
          Expanded(flex: 2, child: RealDataContainer()),
        ],
      );
    }
  }
}

// ignore: must_be_immutable
class PassTrack extends GetView<PassTrackController> {
  // final GlobalKey<PopupMenuButtonState<int>> _popupMenuKey =
  //     GlobalKey<PopupMenuButtonState<int>>();
  RecordEntity? currentPoint;
  @override
  final controller = Get.put(PassTrackController());

  // String str = "播放";
  // int sWidth = 0;
  // int bits = -1;
  // int speed = 50;
  // List<int> speedList = [1, 2, 10, 20, 50, 100, 200, 500];
  // int maxLength = 200;
  // final _rangevalues = const SfRangeValues(0.0, 200.0);

  PassTrack({super.key, this.currentPoint});

  @override
  Widget build(BuildContext context) {
    if (currentPoint == null) {
      controller.date.value = DateFormat('yyyy-MM-dd').format(DateTime.now());
    } else {
      controller.date.value =
          DateFormat('yyyy-MM-dd').format(currentPoint!.startTime);
    }
    controller.currentPoint = currentPoint;
    controller.loadData();

    return Obx(() {
      controller.updateCount.value;
      CustomPainter? forGroundPainter = appcontroller.currentIndex.value == 1
          ? BorderPainter(
              controller,
            )
          : null;

      return OrientationBuilder(builder: (context, orientation) {
        final size = MediaQuery.of(context).size;
      
        return Stack(
          children: [
            ScenceMapView(
              onUpdate: (Offset center, double scale, double rotation) {
                log("center:$center scale:$scale rotation:$rotation");
              },
              forGroundPainter: forGroundPainter,
              onUpdatePilePoint: (RecordEntity? selectedPilePoint, double scale,
                  double rotation) {
                log("selectedPilePoint:$selectedPilePoint scale:$scale rotation:$rotation");
                controller.selectedPilePoint.value = selectedPilePoint;
                aimcontroller.selectedPilePoint = selectedPilePoint;
                controller.updateCount.value++;
              },
              children: const [],
            ),
            SightGview(size: size),
            const RealDataShow(),
          ],
        );
      });
    });
  }
}

// 自定义的 BorderPainter
class BorderPainter extends CustomPainter {
  final PassTrackController controller;
  final GnssController gnsscontroller;
  BorderPainter(this.controller)
      : gnsscontroller = Get.find<GnssController>(),
        super(repaint: controller);

  @override
  void paint(Canvas canvas, Size size) {
    // 绘制边框
    // canvas.scale(controller.dtScale);

    final paint = Paint()
      ..color = Colors.red
      ..strokeWidth = 3.0;
    RecordEntity? selectedPilePoint = controller.selectedPilePoint.value;
    if (selectedPilePoint != null) {
      var offset = Offset(selectedPilePoint.x, selectedPilePoint.y);
      Offset screenPos = mapcontroller.xy2Screen0(offset);

      // 计算圆的直径
      double circleDiameter = 2 * 0.3 / mapcontroller.pixel2MeterRatio;

      final rect = Rect.fromCenter(
          center: screenPos,
          width: circleDiameter + 4,
          height: circleDiameter + 4);
      // 定义角的长度
      // double cornerLength = 10.0 ;
      double cornerLength = 12;

      // 确保 cornerLength 不小于最小值
      if (mapcontroller.scale >= 2 && mapcontroller.scale < 5) {
        cornerLength = 1.0;
      } else if (mapcontroller.scale >= 5 && mapcontroller.scale < 10) {
        cornerLength = 0.01;
      } else if (mapcontroller.scale >= 10) {
        cornerLength = 0;
      }
      paint.style = PaintingStyle.stroke;
      canvas.drawRect(rect, paint);

      Offset center =
          Offset(gnsscontroller.device.x.value, gnsscontroller.device.y.value);
      Offset pilerCenter = mapcontroller.xy2Screen0(center);
      //绘制虚线
      if (mapcontroller.deviceList.isNotEmpty) {
        Paint dashedPaint = Paint()
          ..color = Colors.red
          ..strokeWidth = 3.5;
        var offset = Offset(selectedPilePoint.x, selectedPilePoint.y);
        Offset screenPos = mapcontroller.xy2Screen0(offset);

        drawDashedLine(canvas, pilerCenter, screenPos, dashedPaint);
      }
    }
  }

  void drawDashedLine(Canvas canvas, Offset start, Offset end, Paint paint) {
    const double dashWidth = 10.0;
    const double dashSpace = 5.0;
    double distance = (end - start).distance;
    double dashCount = distance / (dashWidth + dashSpace).floor();
    if (dashCount < 5000) {
      for (int i = 0; i < dashCount; ++i) {
        double startX = start.dx +
            (end.dx - start.dx) * (i * (dashWidth + dashSpace) / distance);
        double startY = start.dy +
            (end.dy - start.dy) * (i * (dashWidth + dashSpace) / distance);
        double endX = start.dx +
            (end.dx - start.dx) *
                ((i * (dashWidth + dashSpace) + dashWidth) / distance);
        double endY = start.dy +
            (end.dy - start.dy) *
                ((i * (dashWidth + dashSpace) + dashWidth) / distance);
        canvas.drawLine(Offset(startX, startY), Offset(endX, endY), paint);
      }
    }
  }

  @override
  bool shouldRepaint(covariant CustomPainter oldDelegate) {
    return true;
  }
}