huixiang_app/lib/order/store_selector_page.dart

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/store.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/icon_text.dart';
import 'package:shared_preferences/shared_preferences.dart';

class StoreSelectorPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _StoreSelectorPage();
  }
}

class _StoreSelectorPage extends State<StoreSelectorPage> {
  ApiService apiService;

  @override
  void initState() {
    super.initState();

    SharedPreferences.getInstance().then((value) => {
          apiService = ApiService(Dio(), token: value.getString('token')),
          queryStory(),
        });
  }

  List<Store> storeList;

  queryStory() async {
    BaseData baseData = await apiService.queryStory();

    if (baseData.isSuccess) {
      storeList = (baseData.data as List<dynamic>)
          .map((e) => Store.fromJson(e))
          .toList();
      setState(() {});
    } else {
      Fluttertoast.showToast(msg: baseData.msg);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          S.of(context).mendianxuanzhe,
          style: TextStyle(
            color: Colors.black,
            fontWeight: FontWeight.bold,
            fontSize: 18,
          ),
        ),
        centerTitle: false,
        backgroundColor: Color(0xFFFAFAFA),
        elevation: 0,
        leading: GestureDetector(
          onTap: () {
            Navigator.of(context).pop();
          },
          child: Container(
            alignment: Alignment.centerRight,
            margin: EdgeInsets.only(left: 10),
            padding: EdgeInsets.all(6),
            child: Icon(
              Icons.arrow_back_ios,
              color: Colors.black,
              size: 24,
            ),
          ),
        ),
        titleSpacing: 2,
        leadingWidth: 56,
      ),
      body: Container(
        margin: EdgeInsets.only(top: 18),
        child: Column(
          children: [
            Expanded(
              child: ListView.builder(
                  itemCount: storeList != null ? storeList.length : 0,
                  physics: BouncingScrollPhysics(),
                  itemBuilder: (context, position) {
                    return GestureDetector(
                      onTap: () {
                        setState(() {
                          groupValue = position;
                        });
                      },
                      child: buildStoreItem(storeList[position], position),
                    );
                  }),
            ),
            InkWell(
              onTap: () {
                if (groupValue == null || groupValue == "") {
                  Fluttertoast.showToast(msg: "请选择一个门店");
                  return;
                }
                Store store = storeList[groupValue];
                Navigator.of(context).pop({
                  "id":store.id,
                  "address":store.address,
                });
              },
              child: Container(
                padding: EdgeInsets.only(top: 16, bottom: 16),
                decoration: BoxDecoration(
                    color: Color(0xFF32A060),
                    borderRadius: BorderRadius.only(
                        topLeft: Radius.circular(4),
                        topRight: Radius.circular(4))),
                alignment: Alignment.center,
                child: Text(
                  S.of(context).queren,
                  style: TextStyle(
                      fontSize: 16,
                      color: Color(0xFFFFFFFF),
                      fontWeight: FontWeight.bold),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget buildStoreItem(Store store, position) {
    return Container(
      margin: EdgeInsets.only(left: 16, right: 16, top: 8, bottom: 8),
      padding: EdgeInsets.all(16),
      decoration: BoxDecoration(
          color: Colors.white,
          boxShadow: [
            BoxShadow(
                color: Colors.black.withAlpha(12),
                offset: Offset(0, 3),
                blurRadius: 14,
                spreadRadius: 0)
          ],
          borderRadius: BorderRadius.all(Radius.circular(8))),
      child: Row(
        children: [
          Expanded(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.start,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  store.storeName,
                  style: TextStyle(
                    fontSize: 16,
                    fontWeight: FontWeight.bold,
                    color: Color(0xFF353535),
                  ),
                ),
                SizedBox(
                  height: 12,
                ),
                IconText(
                  store.address,
                  isMax: true,
                  textStyle: TextStyle(color: Color(0xFF353535), fontSize: 14),
                  leftIcon: Icons.location_on,
                  iconColor: Color(0xFF32A060),
                  iconSize: 16,
                ),
                SizedBox(
                  height: 4,
                ),
                IconText(
                  "${store.openStartTime}-${store.openEndTime}",
                  textStyle: TextStyle(color: Color(0xFF353535), fontSize: 14),
                  leftIcon: Icons.access_time,
                  iconColor: Color(0xFF32A060),
                  iconSize: 16,
                ),
              ],
            ),
          ),
          Radio(
            value: position,
            groupValue: groupValue,
            activeColor: Colors.green,
            onChanged: (value) {
              setState(() {
                groupValue = value;
              });
            },
          )
        ],
      ),
    );
  }

  int groupValue = 0;
}