quiz-interactions/lib/util/TakeStateProvider/index.js

A React UI component Library for quiz interaction types.

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _pickBy = _interopRequireDefault(require("lodash/fp/pickBy"));

var _forEach = _interopRequireDefault(require("lodash/fp/forEach"));

var _Alert = _interopRequireDefault(require("../Alert"));

var dummyImg = 'https://i.ytimg.com/vi/LgkAebhJ7iE/maxresdefault.jpg';

function clone(children, props) {
  return _react.default.cloneElement(children, (0, _pickBy.default)(function (prop) {
    return prop !== void 0;
  }, props));
}

var TakeStateProvider =
/*#__PURE__*/
function (_Component) {
  (0, _inherits2.default)(TakeStateProvider, _Component);

  function TakeStateProvider() {
    var _getPrototypeOf2;

    var _this;

    (0, _classCallCheck2.default)(this, TakeStateProvider);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = (0, _possibleConstructorReturn2.default)(this, (_getPrototypeOf2 = (0, _getPrototypeOf3.default)(TakeStateProvider)).call.apply(_getPrototypeOf2, [this].concat(args)));
    _this.state = {
      userResponse: void 0 // storage for the currently ongoing requests

    };
    _this.uploadRequests = null;

    _this.makeUploadHandler = function (id, callback) {
      return function () {
        delete _this.uploadRequests[id];
        callback(dummyImg);
      };
    };

    _this.cancelMediaUpload = function (id) {
      clearTimeout(_this.uploadRequests[id]);
      delete _this.uploadRequests[id];
    };

    _this.handleResponseUpdate = function (value) {
      _this.setState({
        userResponse: {
          value: value
        }
      });
    };

    _this.notifyScreenreader = function (content) {
      return _this.alert.setAlert(content);
    };

    _this.mediaUpload = function (id, file, callback) {
      // Simulates the upload of file
      // calls callback when the upload has finished
      if (_this.uploadRequests[id] !== void 0) {
        _this.cancelMediaUpload(id);
      }

      _this.uploadRequests[id] = setTimeout(_this.makeUploadHandler(id, callback), 2000 + Math.random() * 2000);
    };

    _this.handleAlertRef = function (node) {
      _this.alert = node;
    };

    return _this;
  }

  (0, _createClass2.default)(TakeStateProvider, [{
    key: "componentWillMount",
    value: function componentWillMount() {
      this.uploadRequests = {};
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      (0, _forEach.default)(clearTimeout, this.uploadRequests);
    } // generates the callback used when an upload has finished

  }, {
    key: "render",
    value: function render() {
      console.log('Current Response:', this.state.userResponse); // eslint-disable-line no-console

      return _react.default.createElement("div", null, _react.default.createElement(_Alert.default, {
        ref: this.handleAlertRef
      }), clone(this.props.children, {
        notifyScreenreader: this.notifyScreenreader,
        userResponse: this.state.userResponse,
        handleResponseUpdate: this.handleResponseUpdate,
        cancelMediaUpload: this.cancelMediaUpload,
        mediaUpload: this.mediaUpload
      }));
    }
  }]);
  TakeStateProvider.displayName = "TakeStateProvider";
  return TakeStateProvider;
}(_react.Component);

exports.default = TakeStateProvider;
TakeStateProvider.propTypes = {
  children: _propTypes.default.node.isRequired
};