gnssview_old/lib/sky/sky_info.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import 'package:gnssview/sky/device_type.dart';
import '../Controller/gnss_controller.dart';
import 'mulbutton.dart';
import 'sky_plot.dart';

class SkyInfo extends StatelessWidget {
  late final GnssController controller;

  SkyInfo({super.key}) {
    controller = Get.find<GnssController>();
  }

  @override
  Widget build(BuildContext context) {
    final isPortrait =
        MediaQuery.of(context).orientation == Orientation.portrait;

    return Theme(
        data: ThemeData(
          textTheme: const TextTheme(
            titleLarge: TextStyle(
              fontSize: 30,
              fontWeight: FontWeight.normal,
            ),
          ),
        ),
        child: Container(
            margin: const EdgeInsets.only(left: 5),
            padding: const EdgeInsets.symmetric(vertical: 20),
            alignment: Alignment.centerLeft,
            child: Obx(() {
              controller.locationUpdate.value;
              final location = controller.locationData;
              return Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    // 创建行项的函数
                    rowItem(context, "纬度：", '${location?.latitude}'),
                    rowItem(context, "经度：", '${location?.longitude}'),
                    rowItem(context, "高程：", '${location?.altitude}'),
                    rowItem(context, "水平精度：", '${location?.hdop}'),
                    rowItem(context, "垂直精度：", '${location?.vdop}'),
                    rowItem(context, "定位状态：", '${location?.fixQuality}'),
                    rowItem(context, "可见卫星数：", '${location?.numberSv}'),
                    rowItem(context, "使用卫星数：", '${location?.numberSa}'),
                    rowItem(
                        context,
                        "时间：",
                        location == null
                            ? 'null'
                            : DateFormat('yyyy-MM-dd HH:mm:ss')
                                .format(location.time)),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        MulButton(
                          signalColorList: const [
                            Color.fromARGB(255, 255, 0, 0),
                            Color.fromARGB(255, 0, 255, 0),
                            Color.fromARGB(255, 0, 0, 255),
                            Color.fromARGB(255, 255, 255, 0),
                            Color.fromARGB(255, 0, 255, 255)
                          ],
                          onSelectionChanged: (int index, bool value) {
                            controller.selectedSignal[index] = value;
                          },
                        ),
                      ],
                    ),
                  ]);
            })));
  }

  Widget rowItem(BuildContext context, String title, String text) => Row(
        children: [
          FixedWidthText(
            width: 80,
            text: title,
            style: Theme.of(context).textTheme.titleLarge,
          ),
          Text(
            text,
            style: Theme.of(context).textTheme.titleLarge,
          ),
        ],
      );
}

class FixedWidthText extends StatelessWidget {
  final String text;
  final double width;
  final TextStyle? style;
  const FixedWidthText({
    super.key,
    required this.text,
    this.width = 80,
    this.style,
  });

  @override
  Widget build(BuildContext context) {
    final deviceType = getDeviceType(context);
    double dynamicWidth = deviceType == DeviceType.mobile ? 0 : 50;
    TextStyle textStyle;
    if (style != null) {
      textStyle =
          style!.copyWith(fontSize: deviceType == DeviceType.mobile ? 16 : 20);
    } else {
      textStyle =
          TextStyle(fontSize: deviceType == DeviceType.mobile ? 16 : 20);
    }
    return Container(
      margin: const EdgeInsets.symmetric(horizontal: 3),
      width: width + dynamicWidth,
      child: Text(
        text,
        style: textStyle,
      ),
    );
  }
}

class SkyInfoPlotPage extends StatelessWidget {
  
  @override
  Widget build(BuildContext context) {
    final orientation = MediaQuery.of(context).orientation;
    bool isPortrait = orientation == Orientation.portrait;
    return isPortrait
        ? Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              Expanded(
                child: SkyInfo(),
              ),
              Expanded(
                child: SkyPlotPage(),
              ),
            ],
          )
        : Row(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              Expanded(
                child: SkyInfo(),
              ),
              Expanded(
                child: SkyPlotPage(),
              ),
            ],
          );
  }
}