758 lines
25 KiB
Dart
758 lines
25 KiB
Dart
import 'dart:convert';
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import 'package:ef/ef.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:vbvs_app/common/pojo/city.dart';
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import 'package:vbvs_app/common/util/FitTool.dart';
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import 'package:vbvs_app/common/util/ListSearchWidget.dart';
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import 'package:vbvs_app/component/tool/ClickableContainer.dart';
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import 'package:vbvs_app/controller/person/person_controller.dart';
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import 'package:vbvs_app/controller/theme_controller/ThemeController.dart';
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import 'package:vbvs_app/language/AppLanguage.dart';
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import 'package:vbvs_app/pages/common/selectDialog.dart';
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CityModelController cityModelController = Get.put(CityModelController());
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// 修改这个方法，返回 List<CityModel>
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Future<List<CityModel>> loadCityData() async {
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try {
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// 获取当前语言代码
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String currentLanguageCode = AppLanguage().getCurrentLanguageCode();
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// 根据当前语言代码构建文件名
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final String fileName = 'assets/city/city_$currentLanguageCode.json';
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// 读取对应语言的JSON文件
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final String jsonString = await rootBundle.loadString(fileName);
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// 解析JSON数据并转换为 CityModel 列表
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final List<dynamic> jsonList = jsonDecode(jsonString);
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// 将 Map 转换为 CityModel
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return jsonList.map((json) => CityModel.fromJson(json)).toList();
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} catch (e) {
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print('Error loading city data: $e');
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return [];
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}
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}
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Future showCitySelectionDialog(
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BuildContext context, {
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required CityModel selectedCity,
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Function? onCityChanged,
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String title = "选择城市",
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required Future<List<CityModel>> cityDataFuture, // 改为required参数
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}) {
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ThemeController themeController = Get.find();
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final bool isChinese = Get.locale?.languageCode == 'zh' ?? true;
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final RxList<String> countries = <String>[].obs;
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final RxList<String> provinces = <String>[].obs;
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final RxList<String> cities = <String>[].obs;
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final RxInt countryIndex = 0.obs;
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final RxInt provinceIndex = 0.obs;
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final RxInt cityIndex = 0.obs;
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cityModelController.searchResults = [];
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// 更新城市列表
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void updateCities(List<CityModel> cityData) {
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try {
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if (provinces.isEmpty || countries.isEmpty) return;
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final selectedCountry = countries[countryIndex.value];
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final selectedProvince = provinces[provinceIndex.value];
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// 在层级结构中查找对应的城市
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for (var country in cityData) {
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if (country.value == selectedCountry) {
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for (var province in country.children ?? []) {
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if (province.value == selectedProvince) {
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// 安全地处理城市列表，过滤掉 null 值并转换为 String
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final List<String> cityList = [];
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for (var city in province.children ?? []) {
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final cityName = city?.value ?? city?.city ?? '';
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if (cityName.isNotEmpty) {
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cityList.add(cityName);
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}
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}
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cities.value = cityList;
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// 设置默认选中城市
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if ((selectedCity.value != null &&
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cities.contains(selectedCity.value)) ||
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(selectedCity.city != null &&
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cities.contains(selectedCity.city))) {
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cityIndex.value = cities
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.indexOf(selectedCity.value ?? selectedCity.city ?? '');
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} else {
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cityIndex.value = cities.isNotEmpty ? 0 : 0;
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}
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return;
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}
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}
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}
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}
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cities.value = [];
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cityIndex.value = 0;
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} catch (e) {
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ef.log("获取城市数据失败：$e");
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cities.value = [];
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cityIndex.value = 0;
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}
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}
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void updateProvinces(List<CityModel> cityData) {
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try {
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if (countries.isEmpty) return;
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final selectedCountry = countries[countryIndex.value];
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// 在层级结构中查找对应的省份
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for (var country in cityData) {
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if (country.value == selectedCountry) {
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// 安全地处理省份列表，过滤掉 null 值并转换为 String
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final List<String> provinceList = [];
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for (var province in country.children ?? []) {
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final provinceName = province?.value ?? province?.province ?? '';
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if (provinceName.isNotEmpty) {
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provinceList.add(provinceName);
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}
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}
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provinces.value = provinceList;
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// 设置默认选中省份
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if ((selectedCity.province != null &&
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provinces.contains(selectedCity.province)) ||
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(selectedCity.value != null &&
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provinces.contains(selectedCity.value))) {
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provinceIndex.value = provinces
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.indexOf(selectedCity.province ?? selectedCity.value ?? '');
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} else {
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provinceIndex.value = provinces.isNotEmpty ? 0 : 0;
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}
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updateCities(cityData);
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return;
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}
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}
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provinces.value = [];
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provinceIndex.value = 0;
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cities.value = [];
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cityIndex.value = 0;
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} catch (e) {
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ef.log("获取省份数据失败：$e");
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provinces.value = [];
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provinceIndex.value = 0;
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cities.value = [];
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cityIndex.value = 0;
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}
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}
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void initializePickerData(List<CityModel> cityData) {
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try {
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// 安全地处理国家列表，过滤掉 null 值并转换为 String
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final List<String> countryList = [];
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for (var country in cityData) {
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final countryName = country.value ?? country.country ?? '';
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if (countryName.isNotEmpty) {
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countryList.add(countryName);
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}
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}
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countries.value = countryList;
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// 设置默认选中国家
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if ((selectedCity.country != null &&
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countries.contains(selectedCity.country)) ||
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(selectedCity.value != null &&
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countries.contains(selectedCity.value))) {
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countryIndex.value =
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countries.indexOf(selectedCity.country ?? selectedCity.value ?? '');
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} else {
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countryIndex.value = countries.isNotEmpty ? 0 : 0;
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}
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updateProvinces(cityData);
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} catch (e) {
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ef.log("初始化选择器数据失败：$e");
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countries.value = [];
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provinces.value = [];
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cities.value = [];
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countryIndex.value = 0;
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provinceIndex.value = 0;
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cityIndex.value = 0;
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}
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}
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// 获取选中的完整城市数据
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CityModel? getSelectedCityData(List<CityModel> cityData) {
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if (countries.isEmpty || provinces.isEmpty || cities.isEmpty) return null;
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final selectedCountry = countries[countryIndex.value];
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final selectedProvince = provinces[provinceIndex.value];
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final selectedCityName = cities[cityIndex.value];
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// 在层级结构中查找对应的城市
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for (var country in cityData) {
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if (country.value == selectedCountry ||
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country.country == selectedCountry) {
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for (var province in country.children ?? []) {
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if (province.value == selectedProvince ||
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province.province == selectedProvince) {
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for (var city in province.children ?? []) {
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if (city.value == selectedCityName ||
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city.city == selectedCityName) {
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return city;
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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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return null;
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}
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return showModalBottomSheet(
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context: context,
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backgroundColor: Colors.transparent,
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isScrollControlled: true,
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enableDrag: false,
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isDismissible: true,
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builder: (BuildContext context) {
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return Container(
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color: Colors.transparent,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 半透明遮罩层，点击关闭
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Expanded(
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child: GestureDetector(
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onTap: () => Navigator.of(context).pop(),
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child: Container(
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color: Colors.black.withOpacity(0.5),
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),
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),
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),
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// 弹窗内容
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FutureBuilder<List<CityModel>>(
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future: cityDataFuture,
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builder: (context, snapshot) {
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// 数据加载中
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if (snapshot.connectionState == ConnectionState.waiting) {
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return _buildLoadingBottomSheet(themeController);
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}
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// 数据加载错误
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if (snapshot.hasError || !snapshot.hasData) {
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return _buildErrorBottomSheet(themeController, context);
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}
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final cityData = snapshot.data!;
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// 只在第一次初始化数据
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if (countries.isEmpty) {
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initializePickerData(cityData);
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}
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return _buildCityPickerContent(
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context,
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themeController,
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isChinese,
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title,
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cityData,
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onCityChanged,
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countries: countries,
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provinces: provinces,
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cities: cities,
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countryIndex: countryIndex,
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provinceIndex: provinceIndex,
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cityIndex: cityIndex,
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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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);
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}
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// 根据ID查找完整的城市数据（包含国家、省份、城市信息）
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CityModel? findCompleteCityDataById(int? id, List<CityModel> cityData) {
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if (id == null) return null;
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try {
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// 遍历三级数据结构查找匹配的ID
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for (var country in cityData) {
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// 检查国家节点是否有ID匹配
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if (country.id == id) {
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return CityModel(
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id: country.id,
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value: country.value,
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label: country.label,
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country: country.value ?? country.country,
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province: null,
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city: null,
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UTC: country.UTC,
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children: country.children,
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);
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}
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// 检查省份节点
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for (var province in country.children ?? []) {
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if (province.id == id) {
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return CityModel(
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id: province.id,
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value: province.value,
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label: province.label,
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country: country.value ?? country.country,
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province: province.value ?? province.province,
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city: null,
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UTC: province.UTC,
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children: province.children,
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);
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}
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// 检查城市节点
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for (var city in province.children ?? []) {
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if (city.id == id) {
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return CityModel(
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id: city.id,
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value: city.value,
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label: city.label,
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country: country.value ?? country.country,
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province: province.value ?? province.province,
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city: city.value ?? city.city,
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UTC: city.UTC,
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children: city.children,
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);
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}
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}
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}
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}
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return null;
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} catch (e) {
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ef.log("根据ID查找完整城市数据失败：$e");
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return null;
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}
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}
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// 城市选择器内容
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Widget _buildCityPickerContent(
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BuildContext context,
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ThemeController themeController,
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bool isChinese,
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String title,
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List<CityModel> cityData,
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Function? onCityChanged, {
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required RxList<String> countries,
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required RxList<String> provinces,
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required RxList<String> cities,
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required RxInt countryIndex,
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required RxInt provinceIndex,
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required RxInt cityIndex,
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}) {
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final bottomInsets = MediaQuery.of(context).viewInsets.bottom;
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// 内部更新方法
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void updateCities() {
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try {
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if (provinces.isEmpty || countries.isEmpty) return;
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final selectedCountry = countries[countryIndex.value];
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final selectedProvince = provinces[provinceIndex.value];
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// 查找匹配的国家和省份
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final provinceData = cityData
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.firstWhere(
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(country) => country.value == selectedCountry,
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orElse: () => CityModel(),
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)
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.children
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?.firstWhere(
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(province) => province.value == selectedProvince,
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orElse: () => CityModel(),
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);
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// 提取城市列表
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final cityList = (provinceData?.children ?? [])
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.map((city) => city?.value ?? city?.city ?? '')
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.where((cityName) => cityName.toString().isNotEmpty)
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.toList()
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.cast<String>();
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cities.value = cityList;
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cityIndex.value = cities.isNotEmpty ? 0 : 0;
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} catch (e) {
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ef.log("更新城市列表失败：$e");
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cities.value = [];
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cityIndex.value = 0;
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}
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}
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void updateProvinces() {
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try {
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if (countries.isEmpty) return;
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final selectedCountry = countries[countryIndex.value];
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for (var country in cityData) {
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if (country.value == selectedCountry) {
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final List<String> provinceList = [];
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for (var province in country.children ?? []) {
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final provinceName = province?.value ?? province?.province;
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if (provinceName != null && provinceName.isNotEmpty) {
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provinceList.add(provinceName);
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}
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}
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provinces.value = provinceList;
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provinceIndex.value = provinces.isNotEmpty ? 0 : 0;
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updateCities();
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return;
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}
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}
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provinces.value = [];
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provinceIndex.value = 0;
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cities.value = [];
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cityIndex.value = 0;
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} catch (e) {
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ef.log("获取省份数据失败：$e");
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provinces.value = [];
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provinceIndex.value = 0;
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cities.value = [];
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cityIndex.value = 0;
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}
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}
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CityModel? getSelectedCityData() {
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try {
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if (countries.isEmpty) return null;
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final selectedCountry = countries[countryIndex.value];
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for (var country in cityData) {
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final countryName = country.value ?? country.country;
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if (countryName == selectedCountry) {
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if ((country.children == null || country.children!.isEmpty) &&
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(country.city != null || country.value != null)) {
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return country;
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}
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if (provinces.isNotEmpty && provinceIndex.value < provinces.length) {
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final selectedProvince = provinces[provinceIndex.value];
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for (var province in country.children ?? []) {
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final provinceName = province.value ?? province.province;
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if (provinceName == selectedProvince) {
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if (cities.isNotEmpty && cityIndex.value < cities.length) {
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final selectedCityName = cities[cityIndex.value];
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for (var city in province.children ?? []) {
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final cityName = city.value ?? city.city;
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if (cityName == selectedCityName) {
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return city;
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}
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}
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}
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if ((province.children == null || province.children!.isEmpty) &&
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(province.city != null || province.value != null)) {
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return province;
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}
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}
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}
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}
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return country;
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}
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}
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return null;
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} catch (e) {
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ef.log("获取选中城市数据失败：$e");
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return null;
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}
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}
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return Container(
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width: double.infinity,
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decoration: BoxDecoration(
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color: themeController.currentColor.sc17,
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(20.rpx),
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topRight: Radius.circular(20.rpx),
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),
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),
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constraints: BoxConstraints(
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maxHeight: MediaQuery.of(context).size.height * 0.65,
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),
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child: Padding(
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padding:
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EdgeInsets.fromLTRB(30.rpx, 10.rpx, 30.rpx, bottomInsets + 10.rpx),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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ClickableContainer(
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backgroundColor: Colors.transparent,
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highlightColor: Colors.transparent,
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padding: EdgeInsets.zero,
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onTap: () => Navigator.of(context).pop(),
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child: Container(
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width: 110.rpx,
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height: 60.rpx,
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alignment: Alignment.center,
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child: Text("取消".tr,
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style: TextStyle(fontSize: 30.rpx, color: Colors.white)),
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),
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),
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Text(
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title,
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style: TextStyle(
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fontFamily: 'Readex Pro',
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color: themeController.currentColor.sc3,
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fontSize: 30.rpx,
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),
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),
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Obx(() {
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CityModelController cityModelController = Get.find();
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cityModelController.tmp;
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ef.log("${cityModelController.tmp.value}");
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return ClickableContainer(
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backgroundColor: Colors.transparent,
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highlightColor: Colors.transparent,
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padding: EdgeInsets.zero,
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onTap: () {
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final selectedCityData = getSelectedCityData();
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if (selectedCityData != null) {
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final fullCityData = findCompleteCityDataById(
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selectedCityData.id, cityData);
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if (fullCityData != null) {
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onCityChanged?.call(fullCityData);
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} else {
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onCityChanged?.call(selectedCityData);
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}
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}
|
||
Navigator.of(context).pop();
|
||
},
|
||
child: Container(
|
||
width: 110.rpx,
|
||
height: 60.rpx,
|
||
alignment: Alignment.center,
|
||
child: Text("确定".tr,
|
||
style: TextStyle(
|
||
fontSize: 30.rpx,
|
||
color: themeController.currentColor.sc2,
|
||
)),
|
||
),
|
||
);
|
||
}),
|
||
],
|
||
),
|
||
|
||
Padding(
|
||
padding: EdgeInsetsDirectional.fromSTEB(0, 20.rpx, 0, 10.rpx),
|
||
child: ListSearchWidget(
|
||
keyword: cityModelController.model.keyword,
|
||
color: cityModelController.model.color,
|
||
hint: "输入国家、省份或城市".tr,
|
||
onChange: (d) {
|
||
cityModelController.model.keyword = d;
|
||
cityModelController.searchCities(d);
|
||
},
|
||
findCallback: () {
|
||
cityModelController
|
||
.searchCities(cityModelController.model.keyword ?? "");
|
||
},
|
||
padding: EdgeInsets.fromLTRB(0.rpx, 0.rpx, 0.rpx, 10.rpx),
|
||
showResultList: true,
|
||
searchResults: cityModelController.searchResults,
|
||
onResultTap: (result) {
|
||
final selectedCity =
|
||
cityModelController.getCityByDisplayName(result);
|
||
if (selectedCity != null) {
|
||
final fullCityData =
|
||
findCompleteCityDataById(selectedCity.id, cityData);
|
||
PersonController personController = Get.find();
|
||
personController.cityModel = fullCityData;
|
||
personController.updateAll();
|
||
Navigator.of(context).pop();
|
||
}
|
||
},
|
||
),
|
||
),
|
||
|
||
// 选择器区域
|
||
Expanded(
|
||
child: Stack(
|
||
children: [
|
||
Positioned.fill(
|
||
child: IgnorePointer(
|
||
child: Center(
|
||
child: Container(
|
||
height: 90.rpx,
|
||
margin: EdgeInsets.symmetric(horizontal: 0.rpx),
|
||
decoration: BoxDecoration(
|
||
color: themeController.currentColor.sc2,
|
||
borderRadius: BorderRadius.circular(16.rpx),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
Container(
|
||
height: double.infinity,
|
||
child: Padding(
|
||
padding: EdgeInsets.fromLTRB(20.rpx, 0, 20.rpx, 0),
|
||
child: Row(
|
||
children: [
|
||
Expanded(
|
||
child: Obx(() {
|
||
CityModelController cityModelController =
|
||
Get.find();
|
||
cityModelController.tmp;
|
||
ef.log("${cityModelController.tmp.value}");
|
||
return getOnePickers(
|
||
context,
|
||
countries,
|
||
countryIndex,
|
||
unit: "",
|
||
onChanged: (_) => updateProvinces(),
|
||
pickerKey: ValueKey(
|
||
'country_${DateTime.now().millisecondsSinceEpoch}'), // 添加动态 key
|
||
);
|
||
}),
|
||
),
|
||
Expanded(
|
||
child: Obx(() {
|
||
CityModelController cityModelController =
|
||
Get.find();
|
||
cityModelController.tmp;
|
||
ef.log("${cityModelController.tmp.value}");
|
||
return getOnePickers(
|
||
context,
|
||
provinces,
|
||
provinceIndex,
|
||
unit: "",
|
||
onChanged: (_) => updateCities(),
|
||
pickerKey: ValueKey(
|
||
'province_${DateTime.now().millisecondsSinceEpoch}'), // 添加动态 key
|
||
);
|
||
}),
|
||
),
|
||
Expanded(
|
||
child: Obx(() {
|
||
CityModelController cityModelController =
|
||
Get.find();
|
||
cityModelController.tmp;
|
||
ef.log("${cityModelController.tmp.value}");
|
||
return getOnePickers(
|
||
context,
|
||
cities,
|
||
cityIndex,
|
||
unit: "",
|
||
pickerKey: ValueKey(
|
||
'city_${DateTime.now().millisecondsSinceEpoch}'), // 添加动态 key
|
||
);
|
||
}),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
// 加载中 BottomSheet
|
||
Widget _buildLoadingBottomSheet(ThemeController themeController) {
|
||
return Container(
|
||
width: double.infinity,
|
||
decoration: BoxDecoration(
|
||
color: themeController.currentColor.sc17,
|
||
borderRadius: BorderRadius.only(
|
||
topLeft: Radius.circular(20.rpx),
|
||
topRight: Radius.circular(20.rpx),
|
||
),
|
||
),
|
||
padding: EdgeInsets.fromLTRB(30.rpx, 40.rpx, 30.rpx, 90.rpx),
|
||
child: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
CircularProgressIndicator(
|
||
color: themeController.currentColor.sc2,
|
||
),
|
||
SizedBox(height: 20.rpx),
|
||
Text(
|
||
"加载中...".tr,
|
||
style: TextStyle(
|
||
color: themeController.currentColor.sc3,
|
||
fontSize: 28.rpx,
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
// 错误 BottomSheet
|
||
Widget _buildErrorBottomSheet(
|
||
ThemeController themeController, BuildContext context) {
|
||
return Container(
|
||
width: double.infinity,
|
||
decoration: BoxDecoration(
|
||
color: themeController.currentColor.sc17,
|
||
borderRadius: BorderRadius.only(
|
||
topLeft: Radius.circular(20.rpx),
|
||
topRight: Radius.circular(20.rpx),
|
||
),
|
||
),
|
||
padding: EdgeInsets.fromLTRB(30.rpx, 40.rpx, 30.rpx, 90.rpx),
|
||
child: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Text(
|
||
"数据加载失败".tr,
|
||
style: TextStyle(
|
||
color: themeController.currentColor.sc3,
|
||
fontSize: 28.rpx,
|
||
),
|
||
),
|
||
SizedBox(height: 20.rpx),
|
||
ClickableContainer(
|
||
onTap: () => Navigator.of(context).pop(),
|
||
backgroundColor: Colors.transparent,
|
||
highlightColor: Colors.transparent,
|
||
padding: EdgeInsets.all(0),
|
||
child: Container(
|
||
padding: EdgeInsets.symmetric(horizontal: 30.rpx, vertical: 15.rpx),
|
||
decoration: BoxDecoration(
|
||
color: themeController.currentColor.sc2,
|
||
borderRadius: BorderRadius.circular(8.rpx),
|
||
),
|
||
child: Text(
|
||
"关闭".tr,
|
||
style: TextStyle(
|
||
color: Colors.white,
|
||
fontSize: 28.rpx,
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|