/**
* @title 层级树大数据场景
* @parent 无限滚动 Infinite-scroll
* @description
* demo1404
*/
import React, { Component } from "react";
import {Button} from "tinper-bee";

import Table from "../../src";
import BigData from "../../src/lib/bigData";
const BigDataTable = BigData(Table);
const columns = [
    {
        title:'序号',
        dataIndex:'index',
        width:'150',
        key:'index',
        render:(text,record,index)=>{
            return record.index ? record.index : index
        }
    },
    {title: "用户名", dataIndex: "a", key: "a", width: 580, className: "rowClassName"},
    { id: "123", title: "性别", dataIndex: "b", key: "b", width: 80},
    { title: "年龄", dataIndex: "c", key: "c", width: 200 }
];

const data = [ ...new Array(10) ].map((e, i) => {
  const rs = { a: i + 'a', b: i + 'b', c: i + 'c', d: i + 'd', key: i };
  if(i%3==0){
      rs.b = '女';
      rs.children = [];
      for(let subi=0;subi<3;subi++){
        rs.children.push({a: i +subi + 'asub', b: i +subi + 'bsub', c: i + subi +'csub', d: i + subi +'dsub', key: i+ `${subi} sub`});
        rs.children[subi].children = []
        for(let subj=0;subj<100;subj++){
          rs.children[subi].children.push({a: 333+' '+subj, b: 333+' '+subj, c: 333+' '+subj, d: 333+' '+subj, key: i+ `${subj} sub1`});
        }
      }
  }else{
    rs.children = [];
      for(let subi=0;subi<3;subi++){
        rs.children.push({a: i +subi + 'asub', b: i +subi + 'bsub', c: i + subi +'csub', d: i + subi +'dsub', key: i+ `${subi} sub`});
      }
  }
  return rs;
})

const data2 = [ ...new Array(10000) ].map((e, i) => {
  const rs = { a: i + 'a', b: i + 'b', c: i + 'c', d: i + 'd', key: i };
  if(i%3==0){
      rs.b = '女';
  }
  return rs;
})

class Demo34 extends Component {

  constructor(props) {
    super(props);
    this.state = {
      data: data,
      selectedRowIndex: 0
    }
  }
  onExpandedRowsChange = (expandedRowKeys)=>{
    console.log('expandedRowKeys',expandedRowKeys);
  }
  onExpand = (expandKeys)=>{
    console.log('expand---'+expandKeys);
  }
  handleClick = () => {
    this.setState({
      data: data2
    })
  }
  render() {
    return (
      <div>
        <Button onClick={this.handleClick} colors="secondary" style={{marginBottom:'8px'}}>改变数据源</Button>
        <BigDataTable
          columns={columns}
          data={this.state.data}
          parentNodeId='parent'
          scroll={{y:300}}
          onExpand={this.onExpand}
          onRowClick={(record, index, indent) => {
            console.log('currentIndex--'+index);
          }}
          onExpandedRowsChange={this.onExpandedRowsChange}
        />
      </div>
     
    );
  }
}

export default Demo34;