wix-style-react/dist/es/src/DragDropContextProvider/DragDropContextProvider.js

wix-style-react

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _class, _temp;

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

import React from 'react';
import PropTypes from 'prop-types';
import { DragDropManager } from 'dnd-core';
import HTML5Backend from './HTML5Backend';

var defaultManager = void 0;
function getDefaultManager(backend) {
  if (!defaultManager) {
    defaultManager = new DragDropManager(backend);
  }
  return defaultManager;
}

// https://github.com/react-dnd/react-dnd/issues/186#issuecomment-110333064
var DragDropContextProvider = (_temp = _class = function (_React$Component) {
  _inherits(DragDropContextProvider, _React$Component);

  function DragDropContextProvider() {
    _classCallCheck(this, DragDropContextProvider);

    return _possibleConstructorReturn(this, (DragDropContextProvider.__proto__ || Object.getPrototypeOf(DragDropContextProvider)).apply(this, arguments));
  }

  _createClass(DragDropContextProvider, [{
    key: 'getChildContext',
    value: function getChildContext() {
      var _this2 = this;

      // we add `manager` to instance to allow to manipulate d&d in tests
      this.getManager = function () {
        return _this2.context.dragDropManager || getDefaultManager(_this2.props.backend);
      };

      return {
        dragDropManager: this.getManager()
      };
    }
  }, {
    key: 'render',
    value: function render() {
      return this.props.children;
    }
  }]);

  return DragDropContextProvider;
}(React.Component), _class.propTypes = {
  children: PropTypes.node,
  backend: PropTypes.func
}, _class.defaultProps = {
  backend: HTML5Backend
}, _class.contextTypes = {
  dragDropManager: PropTypes.object
}, _class.childContextTypes = {
  dragDropManager: PropTypes.object
}, _temp);


export default DragDropContextProvider;