react-beautiful-dnd/lib/view/drag-drop-context/drag-drop-context.js

Beautiful, accessible drag and drop for lists with React.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _defineProperty2 = require('babel-runtime/helpers/defineProperty');

var _defineProperty3 = _interopRequireDefault(_defineProperty2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _createStore = require('../../state/create-store');

var _createStore2 = _interopRequireDefault(_createStore);

var _fireHooks = require('../../state/fire-hooks');

var _fireHooks2 = _interopRequireDefault(_fireHooks);

var _contextKeys = require('../context-keys');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var DragDropContext = function (_Component) {
  (0, _inherits3.default)(DragDropContext, _Component);

  function DragDropContext() {
    (0, _classCallCheck3.default)(this, DragDropContext);
    return (0, _possibleConstructorReturn3.default)(this, (DragDropContext.__proto__ || (0, _getPrototypeOf2.default)(DragDropContext)).apply(this, arguments));
  }

  (0, _createClass3.default)(DragDropContext, [{
    key: 'getChildContext',
    value: function getChildContext() {
      return (0, _defineProperty3.default)({}, _contextKeys.storeKey, this.store);
    }
  }, {
    key: 'componentWillMount',
    value: function componentWillMount() {
      var _this2 = this;

      this.store = (0, _createStore2.default)();

      var previous = this.store.getState();

      this.unsubscribe = this.store.subscribe(function () {
        var current = _this2.store.getState();

        var hooks = {
          onDragStart: _this2.props.onDragStart,
          onDragEnd: _this2.props.onDragEnd
        };

        (0, _fireHooks2.default)(hooks, current, previous);
        previous = current;
      });
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unsubscribe();
    }
  }, {
    key: 'render',
    value: function render() {
      return this.props.children;
    }
  }]);
  return DragDropContext;
}(_react.Component);

DragDropContext.childContextTypes = (0, _defineProperty3.default)({}, _contextKeys.storeKey, _propTypes2.default.shape({
  dispatch: _propTypes2.default.func.isRequired,
  subscribe: _propTypes2.default.func.isRequired,
  getState: _propTypes2.default.func.isRequired
}).isRequired);
exports.default = DragDropContext;