zrmc/menu/anchor.js

ZRMC is an ES7 React wrapper for Material Components Web.

"use strict";

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

var _objectWithoutProperties2 = require("babel-runtime/helpers/objectWithoutProperties");

var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);

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 _react2 = _interopRequireDefault(_react);

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

var _propTypes2 = _interopRequireDefault(_propTypes);

var _ = require("../");

var _2 = _interopRequireDefault(_);

var _foundation = require("./foundation");

var _foundation2 = _interopRequireDefault(_foundation);

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

/**
 * mdc-menu-anchor
 * See:
 * https://material.io/components/web/catalog/menus/
 * https://material-components-web.appspot.com/simple-menu.html
 *
 */

/**
 * Copyright (c) 2015-present, CWB SAS
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
var MDC_MENU_ANCHOR = "mdc-menu-anchor";

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

  function MenuAnchor(props) {
    (0, _classCallCheck3.default)(this, MenuAnchor);

    var _this = (0, _possibleConstructorReturn3.default)(this, (MenuAnchor.__proto__ || Object.getPrototypeOf(MenuAnchor)).call(this, props));

    _initialiseProps.call(_this);

    var open = props.menu.props.open;

    _this.state = { open: open };
    return _this;
  }

  (0, _createClass3.default)(MenuAnchor, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      _2.default.enableClickOutside(this.onClickOutsideHandler);
      this.updateContent();
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.updateContent();
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      _2.default.disableClickOutside(this.onClickOutsideHandler);
    }
  }, {
    key: "updateContent",
    value: function updateContent() {
      if (this.anchorRef && this.menuRef && this.state.open) {
        var style = _foundation2.default.autoPosition(this);
        this.menuRef.innerRef.style = style;
        _2.default.lockScroll();
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          menu = _props.menu,
          children = _props.children,
          props = (0, _objectWithoutProperties3.default)(_props, ["menu", "children"]);

      var classes = MDC_MENU_ANCHOR;

      // change onClick event for anchor
      var a = children;
      var anchorElement = _react2.default.cloneElement(a, {
        onClick: this.onClickHandler,
        ref: function ref(c) {
          _this2.anchorRef = c;
        }
      });
      // change menu open based on onClick event
      var menuElement = _react2.default.cloneElement(menu, {
        open: this.state.open,
        ref: function ref(c) {
          _this2.menuRef = c;
        },
        onClose: this.onClose
      });
      var element = _react2.default.createElement(
        "div",
        { className: classes },
        anchorElement,
        menuElement
      );
      return _2.default.render(element, props);
    }
  }]);
  return MenuAnchor;
}(_react.Component);

var _initialiseProps = function _initialiseProps() {
  var _this3 = this;

  this.onClickOutsideHandler = function (e) {
    var open = _this3.state.open;

    if (open && (!_this3.anchorRef || !_this3.anchorRef.contains(e.target)) && (!_this3.menuRef || !_this3.menuRef.innerRef || !_this3.menuRef.innerRef.contains(e.target))) {
      e.preventDefault();
      _this3.onClose();
    }
  };

  this.onClickHandler = function (e) {
    e.stopPropagation();
    if (_this3.state.open) {
      _this3.onClose();
    } else {
      _this3.setState({ open: true });
      _2.default.lockScroll();
    }
    var prevOnClick = _this3.props.children.props.onClick;
    if (prevOnClick) {
      prevOnClick(e);
    }
  };

  this.onClose = function () {
    _this3.setState({ open: false });
    _2.default.unlockScroll();
  };
};

exports.default = MenuAnchor;


MenuAnchor.defaultProps = {
  mdcElement: MDC_MENU_ANCHOR
};

MenuAnchor.propTypes = {
  mdcElement: _propTypes2.default.string,
  menu: _propTypes2.default.element.isRequired,
  children: _propTypes2.default.element
};