autobots-lib/lib/data-picker.js

汽车人基础库

'use strict';

import React,{Component} from 'react';
import ReactNative from 'react-native';
import Native from '../native';
import Toast from './toast';
import PropTypes from 'prop-types';


const {
  StyleSheet,
  requireNativeComponent,
  NativeModules,
  DeviceEventEmitter,
  Platform,
  View,
  Text,
} = ReactNative;

let received_emps = null;

let openNative = function(requestUrl,funcname,eventname,params,callback)
{

    let url = 'autobots://rn/getData?url='+requestUrl+'&funcname='+funcname+'&event='+eventname;
    if(params)
    {
      url = url + '&'+params;
    }
    Native.callNative(url,function(result,data){
      if(callback)
      {
        callback(result,data);
      }
    });
}


class Me extends Component {


  request(callback){
    openNative(this.props.url,this.props.funcName,this.props.eventName,this.props.params,callback);
  }

  componentWillMount() {
    var that = this;

    function cb_android(e:Event)
    {
      received_emps = JSON.parse(e.result);
      if(that.props.onPicked)
      {
         that.props.onPicked(JSON.parse(e.result));
      }
    }

    function cb_ios(p)
    {
      received_emps = p;
      if(that.props.onPicked)
      {
         that.props.onPicked(p);
      }
    }

    if(Platform.OS==='android')
      {
        this.sinListener = DeviceEventEmitter.addListener(this.props.eventName,cb_android);
      }else {
        this.sinListener = DeviceEventEmitter.addListener(this.props.eventName,cb_ios);
      }

  }

  componentWillUnmount() {

    if(this.sinListener!=null)
    {
      this.sinListener.remove();
      this.sinListener = null;
    }


  }

  render() {
      return(<View/>);
  }

}

Me.propTypes={
  onPicked: PropTypes.func.isRequired,
    url: PropTypes.string.isRequired,
    funcName: PropTypes.string.isRequired,
    eventName:PropTypes.string.isRequired,
    params:PropTypes.string.isRequired,
}

module.exports = Me;