choerodon-ui/es/dropdown/dropdown.js

An enterprise-class UI design language and React-based implementation

import _extends from "@babel/runtime/helpers/extends";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = _getPrototypeOf(Derived),
        result;

    if (isNativeReflectConstruct()) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

import React, { Children, cloneElement, Component } from 'react';
import classNames from 'classnames';
import warning from '../_util/warning';
import RcDropdown from '../rc-components/dropdown';
import { getPrefixCls } from '../configure';

var Dropdown =
/*#__PURE__*/
function (_Component) {
  _inherits(Dropdown, _Component);

  var _super = _createSuper(Dropdown);

  function Dropdown() {
    var _this;

    _classCallCheck(this, Dropdown);

    _this = _super.apply(this, arguments);

    _this.renderOverlay = function () {
      var overlay = _this.props.overlay;
      var overlayElements = typeof overlay === 'function' ? overlay() : overlay;

      if (overlayElements) {
        var overlayElement = Children.only(overlayElements);
        var overlayProps = overlayElement.props;
        warning(!overlayProps.mode || overlayProps.mode === 'vertical', "mode=\"".concat(overlayProps.mode, "\" is not supported for Dropdown's Menu.")); // menu cannot be selectable in dropdown defaultly

        var selectable = overlayElement.props.selectable || false;
        return cloneElement(overlayElement, {
          mode: 'vertical',
          selectable: selectable
        });
      }
    };

    return _this;
  }

  _createClass(Dropdown, [{
    key: "getTransitionName",
    value: function getTransitionName() {
      var _this$props = this.props,
          _this$props$placement = _this$props.placement,
          placement = _this$props$placement === void 0 ? '' : _this$props$placement,
          transitionName = _this$props.transitionName;

      if (transitionName !== undefined) {
        return transitionName;
      }

      if (placement.indexOf('top') >= 0) {
        return 'slide-down';
      }

      return 'slide-up';
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          children = _this$props2.children,
          customizePrefixCls = _this$props2.prefixCls,
          trigger = _this$props2.trigger,
          disabled = _this$props2.disabled;
      var prefixCls = getPrefixCls('dropdown', customizePrefixCls);
      var child = Children.only(children);
      var dropdownTrigger = cloneElement(child, {
        className: classNames(child.props.className, "".concat(prefixCls, "-trigger")),
        disabled: disabled
      });
      return React.createElement(RcDropdown, _extends({}, this.props, {
        prefixCls: prefixCls,
        transitionName: this.getTransitionName(),
        trigger: disabled ? [] : trigger,
        overlay: this.renderOverlay
      }), dropdownTrigger);
    }
  }]);

  return Dropdown;
}(Component);

export { Dropdown as default };
Dropdown.displayName = 'Dropdown';
Dropdown.defaultProps = {
  mouseEnterDelay: 0.15,
  mouseLeaveDelay: 0.1,
  placement: 'bottomLeft'
};
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