material-ui/internal/RenderToLayer.js

React Components that Implement Google's Material Design.

'use strict';

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

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 _reactDom = require('react-dom');

var _dom = require('../utils/dom');

var _dom2 = _interopRequireDefault(_dom);

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

// heavily inspired by https://github.com/Khan/react-components/blob/master/js/layered-component-mixin.jsx
var RenderToLayer = function (_Component) {
  (0, _inherits3.default)(RenderToLayer, _Component);

  function RenderToLayer() {
    var _ref;

    var _temp, _this, _ret;

    (0, _classCallCheck3.default)(this, RenderToLayer);

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

    return _ret = (_temp = (_this = (0, _possibleConstructorReturn3.default)(this, (_ref = RenderToLayer.__proto__ || (0, _getPrototypeOf2.default)(RenderToLayer)).call.apply(_ref, [this].concat(args))), _this), _this.onClickAway = function (event) {
      if (event.defaultPrevented) {
        return;
      }

      if (!_this.props.componentClickAway) {
        return;
      }

      if (!_this.props.open) {
        return;
      }

      var el = _this.layer;
      if (event.target !== el && event.target === window || document.documentElement.contains(event.target) && !_dom2.default.isDescendant(el, event.target)) {
        _this.props.componentClickAway(event);
      }
    }, _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
  }

  (0, _createClass3.default)(RenderToLayer, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.renderLayer();
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate() {
      this.renderLayer();
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unrenderLayer();
    }
  }, {
    key: 'getLayer',
    value: function getLayer() {
      return this.layer;
    }
  }, {
    key: 'unrenderLayer',
    value: function unrenderLayer() {
      if (!this.layer) {
        return;
      }

      if (this.props.useLayerForClickAway) {
        this.layer.style.position = 'relative';
        this.layer.removeEventListener('click', this.onClickAway);
      } else {
        window.removeEventListener('click', this.onClickAway);
      }

      (0, _reactDom.unmountComponentAtNode)(this.layer);
      document.body.removeChild(this.layer);
      this.layer = null;
    }

    /**
     * By calling this method in componentDidMount() and
     * componentDidUpdate(), you're effectively creating a "wormhole" that
     * funnels React's hierarchical updates through to a DOM node on an
     * entirely different part of the page.
     */

  }, {
    key: 'renderLayer',
    value: function renderLayer() {
      var _this2 = this;

      var _props = this.props,
          open = _props.open,
          render = _props.render;


      if (open) {
        if (!this.layer) {
          this.layer = document.createElement('div');
          document.body.appendChild(this.layer);

          if (this.props.useLayerForClickAway) {
            this.layer.addEventListener('click', this.onClickAway);
            this.layer.style.position = 'fixed';
            this.layer.style.top = 0;
            this.layer.style.bottom = 0;
            this.layer.style.left = 0;
            this.layer.style.right = 0;
            this.layer.style.zIndex = this.context.muiTheme.zIndex.layer;
          } else {
            setTimeout(function () {
              window.addEventListener('click', _this2.onClickAway);
            }, 0);
          }
        }

        var layerElement = render();
        this.layerElement = (0, _reactDom.unstable_renderSubtreeIntoContainer)(this, layerElement, this.layer);
      } else {
        this.unrenderLayer();
      }
    }
  }, {
    key: 'render',
    value: function render() {
      return null;
    }
  }]);
  return RenderToLayer;
}(_react.Component);

RenderToLayer.defaultProps = {
  useLayerForClickAway: true
};
RenderToLayer.contextTypes = {
  muiTheme: _propTypes2.default.object.isRequired
};
RenderToLayer.propTypes = process.env.NODE_ENV !== "production" ? {
  componentClickAway: _propTypes2.default.func,
  open: _propTypes2.default.bool.isRequired,
  render: _propTypes2.default.func.isRequired,
  useLayerForClickAway: _propTypes2.default.bool
} : {};
exports.default = RenderToLayer;