hyzp_ybqx/lib/pages/Works/DWDT/dwInfoDialog.dart

import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:hyzp_ybqx/components/dioFun.dart';
import 'package:map_launcher/map_launcher.dart';

//import 'package:hyzp_ybqx/widget/player_pro.dart';
import '../../../components/commonFun.dart';
import '../../../services/Storage.dart';
import 'maps_sheet.dart';

//确认对话框
class dwInfoDialog extends Dialog {
  dwInfoDialog({
    @required this.id,
    this.title = "",
    @required this.dwIndex,
    this.content,
    // 导航相关参数
    this.parentContext,
    this.destinationLatitude,
    this.destinationLongitude,
    this.destinationTitle,
    this.availableMaps,
  });

  int dwIndex;
  String id;
  String title;
  String content;
  bool ret = false;
  BuildContext parentContext;

  @override
  Widget build(BuildContext context) {
    getCurrentPosition();
    Size mediaSize = MediaQuery.of(context).size;
    return WillPopScope(
      child: Material(
        type: MaterialType.transparency,
        child: Container(
          padding: EdgeInsets.only(top: 116),
          alignment: Alignment(0, -1),
          color: Colors.black12,
          child: Container(
            // height: 260,
            // width: 300,
            height: mediaSize.height * 0.51,
            width: mediaSize.width * 0.95,
            //color: Colors.white,  //Cannot provide both a color and a decoration
            decoration: BoxDecoration(
              color: Colors.white,
              border: Border.all(color: Colors.blue, width: 2.0),
              borderRadius: BorderRadius.all(
                Radius.circular(5),
              ),
            ),
            child: Column(
              children: <Widget>[
                Padding(
                  padding: EdgeInsets.fromLTRB(10, 10, 10, 0),
                  child: Stack(
                    children: <Widget>[
                      Align(
                        alignment: Alignment.center,
                        child: Text(
                          "${this.title}",
                          style: TextStyle(
                            fontSize: 20.0,
                          ),
                        ),
                      ),
                      Align(
                        alignment: Alignment.centerRight,
                        child: InkWell(
                          child: Icon(Icons.close),
                          onTap: () {
                            getingDwVideo = false;
                            Navigator.pop(context, ret);
                          },
                        ),
                      )
                    ],
                  ),
                ),
                Divider(color: Colors.blue),
                Container(
                  padding: EdgeInsets.fromLTRB(20, 10, 20, 10),
                  width: double.infinity,
                  height: mediaSize.height * 0.28,
                  child: SingleChildScrollView(
                    child: Text(content, style: TextStyle(fontSize: 18.0, color: Colors.blue)),
                  ),
                ),
                SizedBox(height: 10),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                  children: <Widget>[
                    RaisedButton(
                      onPressed: () {
                        ret = true;
                        //getDwspUrl(index: dwIndex, context: context);
                        getDwspUrlNew(indexRecord: dwIndex, context: context);
                      },
                      child: Text("视频"),
                    ),
                    RaisedButton(
                      onPressed: () async {
                        ret = true;
                        getingDwVideo = false;
                        navigationMap(context);
                      },
                      child: Text("导航"),
                    ),
                    RaisedButton(
                      child: Text("取消"),
                      onPressed: () async {
                        getingDwVideo = false;
                        Navigator.pop(context, ret); //关闭弹框，返回sRet
                      },
                    )
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
      onWillPop: () {
        // 屏蔽点击返回键的操作
        getingDwVideo = false;
        Navigator.pop(context, ret);
      },
    );
  }

  // 导航相关代码
  double destinationLatitude = 28.45382237207785;
  double destinationLongitude = 104.7506958256658;
  String destinationTitle = '珙县大坪上';

  double originLatitude;
  double originLongitude;
  String originTitle = '我的位置';

  List<Coords> waypoints = [
    // Coords(37.7705112, -122.4108267),
    // Coords(37.6988984, -122.4830961),
    // Coords(37.7935754, -122.483654),
  ];

  DirectionsMode directionsMode = DirectionsMode.driving;

  List<AvailableMap> availableMaps;

  // String defaultMapName = 'Amap';
  String defaultMapName = g_defaultMapName;
  AvailableMap defalutMap;

  void getCurrentPosition() async {
    print('getCurrentPosition begin');

    // 是否保存默认地图
    g_bSaveDefaultMap = await Storage.getBool('bSaveDefaultMap');
    g_bSaveDefaultMap = (null == g_bSaveDefaultMap) ? false : g_bSaveDefaultMap; // 默认不保存
    // 用户选择的默认地图名称
    g_defaultMapName = await Storage.getString('defaultMapName');
    g_defaultMapName = (null == g_defaultMapName) ? '' : g_defaultMapName; // 默认为空字符串
    defaultMapName = g_defaultMapName;

    // 获取用户选择的默认地图
    // availableMaps = await MapLauncher.installedMaps; // 为避免延迟错乱，该变量由父组件传入
    if (defaultMapName != null && defaultMapName.length > 0) {
      for (var map in availableMaps) {
        if (defaultMapName.toLowerCase() == map.mapName.toLowerCase()) {
          defalutMap = map;
          break;
        }
      }
    }

    await Geolocator.getCurrentPosition().then((Position value) {
      originLatitude = value.latitude;
      originLongitude = value.longitude;
      print('value = ${value.toString()}');
      // value = Latitude: 28.796201, Longitude: 104.607751
      print('getCurrentPosition end');
    });
  }

  navigationMap(BuildContext context) {
    print('this.defalutMap = ${defalutMap}');
    if (defalutMap != null) {
      defalutMap.showDirections(
        destination: Coords(
          destinationLatitude,
          destinationLongitude,
        ),
        destinationTitle: destinationTitle,
        origin: originLatitude == null || originLongitude == null
            ? null
            : Coords(originLatitude, originLongitude),
        originTitle: originTitle,
        waypoints: waypoints,
        directionsMode: directionsMode,
      );
    } else {
      MapsSheet.show(
        context: parentContext,
        onMapTap: (map) {
          if (g_bSaveDefaultMap) {
            g_defaultMapName = map.mapName;
            Storage.setString('defaultMapName', g_defaultMapName);
          }

          map.showDirections(
            destination: Coords(
              destinationLatitude,
              destinationLongitude,
            ),
            destinationTitle: destinationTitle,
            origin: originLatitude == null || originLongitude == null
                ? null
                : Coords(originLatitude, originLongitude),
            originTitle: originTitle,
            waypoints: waypoints,
            directionsMode: directionsMode,
          );
        },
      );
    }
    Navigator.pop(context, ret); //关闭弹框，返回sRet
  }
}