import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:ftrecruiter/comm/widget/my_refresh_list.dart';
import 'package:ftrecruiter/local/theme/theme_config.dart';

//Demo列表2，单纯的使用StatefulWidget的方式 可以保存状态了，但是无法使用GetX和GetBuild的功能了
class PageTwo extends StatefulWidget {
  @override
  _GoodsListPageState createState() => _GoodsListPageState();
}

class _GoodsListPageState extends State<PageTwo>
    with AutomaticKeepAliveClientMixin<PageTwo>, SingleTickerProviderStateMixin {
  List<String> _list = [];
  int _page = 1;
  final int _maxPage = 10;

  Future _onRefresh() async {
    await Future.delayed(const Duration(seconds: 2), () {
      setState(() {
        _page = 1;
        _list = List.generate(10, (index) => "1234");
      });
    });
  }

  Future _loadMore() async {
    await Future.delayed(const Duration(seconds: 2), () {
      setState(() {
        _list.addAll(List.generate(10, (i) => "4567"));
        _page++;
      });
    });
  }

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

  @override
  Widget build(BuildContext context) {
    return MyRefreshListView(
      itemCount: _list.length,
      hasMore: _page < _maxPage,
      onRefresh: _onRefresh,
      loadMore: _loadMore,
      itemBuilder: (_, index) {
        return Container(
          margin: const EdgeInsets.only(top: 10.0),
          width: double.infinity,
          height: 100,
          color: Colors.lightGreen,
          child: Row(
            children: [
              Text("我是列表Item:$index"),
            ],
          ),
        );
      },
    );
  }

  @override
  bool get wantKeepAlive => true;
}