import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:zhiying_comm/zhiying_comm.dart';

class MainPage extends StatefulWidget {
  MainPage({Key key}) : super(key: key);

  @override
  _MainPageState createState() => _MainPageState();
}

class _MainPageState extends State<MainPage> {
  WidgetType _type = WidgetType.skeleton;

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

  void _reload() {
    setState(() {
      _type = WidgetType.skeleton;
    });
    Future.delayed(Duration(seconds: 3), () {
      setState(() {
        _type = WidgetType.normal;
      });
    });
  }

  List<Widget> _createContent() {
    List<Widget> list = List();
    list.add(SliverToBoxAdapter(
      child: RaisedButton(
        onPressed: _reload,
        child: Text('重置'),
      ),
    ));
    list.addAll(
        WidgetFactory.create('home_banner', type: _type, isSliver: true));
    list.addAll(
        WidgetFactory.create('home_goods', type: _type, isSliver: true));
    list.addAll(
        WidgetFactory.create('home_goods', type: _type, isSliver: true));
    list.addAll(
        WidgetFactory.create('home_goods', type: _type, isSliver: true));
    return list;
  }

  @override
  Widget build(BuildContext context) {
    print('build');
    return Scaffold(
      backgroundColor: Color(0xfff9f9f9),
      body: SafeArea(
          child: Container(
              child: CustomScrollView(
        slivers: _createContent(),
      ))),
    );
  }
}