pile_nav_new/lib/pages/pile/pileNav/view.dart

import 'dart:math';

import 'package:flutter/material.dart';
import 'package:scence_map/controllers/controller.dart';
import 'package:scence_map/controllers/plumController.dart';

import 'package:scence_map/scence_map.dart';
import 'package:get/get.dart';

import '../../../models/pilePoint/hyrecorditem.dart';
import '../../pass_track/view.dart';
import 'draw_pile.dart';

class RealView extends StatefulWidget {
  const RealView({super.key});

  @override
  State<RealView> createState() => _RealViewState();
}

class _RealViewState extends State<RealView> {
  final ScenceMapController scenceMapController =
      Get.put(ScenceMapController());
  final controller = Get.find<PlumDataController>();
  @override
  void dispose() {
    super.dispose();
  }

  bool isInit = false;
  @override
  void initState() {
    super.initState();
    // scenceMapController.disableMove.value = false;
    scenceMapController.update();
    isInit = true;
  }

  @override
  Widget build(BuildContext context) {
    final isDarkMode = Theme.of(context).brightness == Brightness.dark;
    double diagonal = scenceMapController.diagonal;
    double mapWidth = scenceMapController.width;
    double mapHeight = scenceMapController.height;
    Offset scOffset =
        Offset(mapWidth / 2 - diagonal / 2, mapHeight / 2 - diagonal / 2);
    onTapDown(TapDownDetails details) {
      isInit = false;
      if (controller.checkValue.value == "checkPile") {
        // controller.centerOffset.value = details.localPosition;
        Offset sc2xy = scenceMapController.screen2xy0(details.localPosition);
        controller.centerXY.value = sc2xy;

        HyRecordItem? checkPoint =
            scenceMapController.pointInfo(controller.centerXY.value);
        if (checkPoint != null) {
          controller.isPileId.value = true;
          controller.checkName.value = checkPoint.tpId.toString();
        } else {
          controller.isPileId.value = false;
          controller.checkName.value = "未找到";
        }
        Scaffold.of(context).openEndDrawer();
      }
    }

    onScaleStart(ScaleStartDetails details) {
      if (controller.checkValue.value != "checkPile") {
        controller.linePointOffset.value = details.localFocalPoint;
      }
      // controller.shouldPaint.value = true;
    }

    onScaleUpdate(ScaleUpdateDetails details) {
      controller.isUp.value = false;
      // controller.shouldPaint.value = true;
      if (controller.checkValue.value != "checkPile") {
        if (controller.linePointOffset.value != details.localFocalPoint) {
          controller.linePointXY.value =
              scenceMapController.screen2xy0(details.localFocalPoint);

          controller.updateLinePoint(details.localFocalPoint);
        }
      }
      controller.isUp.value = true;
    }

    onScaleEnd(ScaleEndDetails details) {
      double deg = (atan2(
                  controller.linePointOffset.value.dy -
                      controller.centerOffset.value.dy,
                  controller.linePointOffset.value.dx -
                      controller.centerOffset.value.dx) *
              180 /
              pi)
          .roundToDouble();
      controller.direction.value = deg + 90;
      controller.angle.value =
          ((controller.direction.value * pi / 180) * 100).round() / 100;

      controller.isUp.value = true;
    }

// 中间
    var center = Obx(() {
      // 桩点生成
      if (!controller.isGenerate.value) {
        return const Text("");
      }

      return Positioned(
          width: scenceMapController.diagonal,
          height: scenceMapController.diagonal,
          top: scOffset.dy,
          left: scOffset.dx,
          child: GestureDetector(
            onTapDown: (TapDownDetails details) => onTapDown(details),
            onScaleStart: (ScaleStartDetails details) => onScaleStart(details),
            onScaleUpdate: (ScaleUpdateDetails details) =>
                onScaleUpdate(details),
            onScaleEnd: (ScaleEndDetails details) => onScaleEnd(details),
            child: Container(
              clipBehavior: Clip.hardEdge,
              decoration: BoxDecoration(
                boxShadow: [
                  BoxShadow(
                    color: Colors.black.withOpacity(0.2),
                    blurRadius: 8,
                    offset: const Offset(0, 4),
                  ),
                ],
              ),
              child: Obx(() {
                ////必须写 因为 需要监听 -- 的值发生变化 刷新

                controller.linePointOffset.value;
                controller.isUp.value;
                return CustomPaint(
                  // size: Size(scenceMapController.diagonal,
                  //     scenceMapController.diagonal),
                  foregroundPainter:
                      DrawDirection(controller, scOffset, isDarkMode, isInit),
                  // child:
                );
              }),
            ),
          ));
    });
    // 桩点生成时返回按钮
    var back = Obx(() {
      // bug :有时候点击的位置不准确 8寸屏的是正常的

      controller.centerOffset.value = scenceMapController.xy2Screen(
          controller.centerXY.value.dx, controller.centerXY.value.dy);

      if (isInit) {
        controller.centerOffset.value = scenceMapController.xy2Screen(
                controller.centerXY.value.dx, controller.centerXY.value.dy) -
            scOffset;
      }
      print(
          "中心${controller.centerOffset.value},${controller.centerXY.value},${scenceMapController.centerXY},$scOffset,$isInit");
      print(scenceMapController.xy2Screen(
          controller.centerXY.value.dx, controller.centerXY.value.dy));

      return Positioned(
          left: controller.isGenerate.value
              ? controller.centerOffset.value.dx -
                  25 +
                  (mapWidth / 2 - diagonal / 2)
              : -50,
          top: controller.isGenerate.value
              ? controller.centerOffset.value.dy -
                  20 +
                  (mapHeight / 2 - diagonal / 2)
              // 20 为高一半
              : -50,
          width: 50,
          height: 40,
          child: ClipOval(
            child: ElevatedButton(
              style: ElevatedButton.styleFrom(
                padding: EdgeInsets.zero,
                shape: const CircleBorder(),
              ),
              child: const Icon(Icons.keyboard_return),
              onPressed: () {
                Scaffold.of(context).openEndDrawer();
                controller.isDirect.value = false;
              },
            ),
          ));
    });
    return Stack(
      children: [
        Obx(() => AbsorbPointer(
            absorbing: controller.isGenerate.value
                ? true
                : false, //设置CenterLayout 内的GestureDetector 不生效
            // child: const ScenceMapView(
            //   children: [],
            // ),
            child: PassTrack(
              date: '',
            ))),
        center,
        back,
      ],
    );
  }
}