import 'package:easy_refresh/easy_refresh.dart';
import 'package:flutter/cupertino.dart';


/*
* 下拉刷新封装
*
*
*
* child 显示组件
* onRefresh 上拉刷新
* onLoad 下拉刷新
* isMore 是否存在分页
* page 页数
*
* */


GlobalKey<_EasyRefreshToolState> childKey = GlobalKey();

class EasyRefreshTool extends StatefulWidget {
  Widget child;
  Function? onRefresh;
  Function? onLoad;
  late int isMore;
  late int page;

  EasyRefreshTool({Key? key,required this.child,this.onRefresh,this.onLoad,this.isMore=0,this.page=0}) : super(key: key);

  @override
  State<EasyRefreshTool> createState() => _EasyRefreshToolState();
}

class _EasyRefreshToolState extends State<EasyRefreshTool> {
  late EasyRefreshController _controller;

  @override
  void initState() {
    super.initState();
    _controller = EasyRefreshController();
  }

  @override
  Widget build(BuildContext context) {
    return EasyRefresh(
      controller: _controller,
      header: const MaterialHeader(),
      footer: const MaterialFooter(),
      triggerAxis: Axis.vertical,
      onRefresh: widget.onRefresh!=null?() async {
        if(widget.onRefresh != null){
          widget.onRefresh!();
        }
      }:null,
      onLoad: widget.onLoad!=null?() async {

        // if(widget.isMore>0){
          widget.onLoad!();
        // }
      }:null,
      child: widget.child,
    );
  }
}