FondleTalk/lib/tools/find/find_page.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:talk/tools/find/find_model.dart';
import 'package:talk/tools/find/recommend_page.dart';

import '../../beans/find_type_bean.dart';
import 'multiplex_page.dart';

///发现
class FindPage extends StatefulWidget {
  const FindPage({super.key});

  @override
  State<FindPage> createState() => _FindPageState();
}

class _FindPageState extends State<FindPage> {
  late StreamSubscription subscription;
  final PageController _pageController = PageController();
  int currentIndex = 0;

  final FindModel _viewmodel = FindModel();

  List<FindTypeBean> findList = [];

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    subscription = _viewmodel.streamController.stream.listen((newData) {
      String code = newData['code'];
      if (code.isNotEmpty) {
        switch (code) {
          case "getChatInfo":
            findList = newData['data'];
            break;

          default:
            EasyLoading.showToast(newData['data']);
            break;
        }
        setState(() {});
        EasyLoading.dismiss();
      }
    });

    EasyLoading.show(status: "loading...");
    _viewmodel.getCategoryList();
  }

  @override
  void dispose() {
    // TODO: implement dispose
    _pageController.dispose();
    subscription.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Color(0xFF121213),
      body: Stack(
        children: [
          PageView.builder(
            controller: _pageController,
            itemCount: 10, // 假设有5个页面，其中第一个是固定的
            itemBuilder: (context, index) {
              if (index == 0) {
                // 第一个页面固定
                return RecommendPage();
              } else {
                // 其他页面动态生成
                return MultiplexPage(
                  id: findList[index].id.toString(),
                );
              }
            },
            physics: NeverScrollableScrollPhysics(),
          ),

          ///title
          Container(
            padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top + 9, left: 16, right: 16),
            // width: MediaQuery.of(context).size.width,
            color: Color(0x66121213),
            child: Row(
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                ///展开分类
                // Image(
                //   width: 16,
                //   height: 15,
                //   image: AssetImage('assets/images/ic_type.png'),
                // ),

                ///tab
                Expanded(
                  child: SizedBox(
                    height: 30,
                    child: ListView.builder(
                      itemCount: findList.length,
                      itemBuilder: (BuildContext context, int index) {
                        return _item(index, findList[index]);
                      },
                      scrollDirection: Axis.horizontal,
                    ),
                  ),
                ),

                ///搜索
                // Container(
                //   width: 72,
                //   height: 27,
                //   decoration: BoxDecoration(
                //       color: Color(0x1AFFFFFF),
                //       borderRadius: BorderRadius.all(Radius.circular(14)),
                //       border: Border.all(color: Color(0xFF777777), width: 0.33)),
                //   child: Row(
                //     mainAxisAlignment: MainAxisAlignment.center,
                //     children: [
                //       Text(
                //         '搜索',
                //         style: TextStyle(fontSize: 12, color: Color(0xFFAEAEAE)),
                //       ),
                //       Container(
                //         margin: EdgeInsets.only(left: 5),
                //         child: Image(
                //           width: 16,
                //           image: AssetImage('assets/images/ic_search2.png'),
                //         ),
                //       )
                //     ],
                //   ),
                // ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  _item(index, FindTypeBean data) {
    return Container(
      margin: EdgeInsets.only(left: 5, right: 12),
      child: Column(
        children: [
          GestureDetector(
            onTap: () {
              currentIndex = index;
              _pageController.animateToPage(
                index,
                duration: const Duration(milliseconds: 500), // 动画时长
                curve: Curves.ease, // 动画曲线
              );
              setState(() {});
            },
            child: Text(
              "${data.name}",
              style: TextStyle(color: Color(currentIndex == index ? 0xFFFF9000 : 0xFF8D8D8D)),
            ),
          ),
          currentIndex == index
              ? Container(
                  child: Image(
                    width: 20,
                    height: 5,
                    image: AssetImage('assets/images/ic_note.png'),
                  ),
                )
              : Container(),
        ],
      ),
    );
  }
}