@aimake/nanod/lib/dropdown/dropdown.js

## 设计模式 NANO DESIGN 是面向于企业级中台化应用的解决方案。服务于 ToB 和 ToE 类型的单页应用，应用于各产品中从而产出了一套设计及前端规范。

"use strict";

var _typeof3 = require("babel-runtime/helpers/typeof");

var _typeof4 = _interopRequireDefault2(_typeof3);

function _interopRequireDefault2(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var React = _interopRequireWildcard(require("react"));

var _rcDropdown = _interopRequireDefault(require("rc-dropdown"));

var _classnames = _interopRequireDefault(require("classnames"));

var _configProvider = require("../config-provider");

var _warning = _interopRequireDefault(require("../_util/warning"));

var _icon = _interopRequireDefault(require("../icon"));

var _type = require("../_util/type");

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

function _interopRequireWildcard(obj) {
  if (obj && obj.__esModule) {
    return obj;
  } else {
    var newObj = {};if (obj != null) {
      for (var key in obj) {
        if (Object.prototype.hasOwnProperty.call(obj, key)) {
          var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};if (desc.get || desc.set) {
            Object.defineProperty(newObj, key, desc);
          } else {
            newObj[key] = obj[key];
          }
        }
      }
    }newObj["default"] = obj;return newObj;
  }
}

function _typeof(obj) {
  if (typeof Symbol === "function" && (0, _typeof4["default"])(Symbol.iterator) === "symbol") {
    _typeof = function _typeof(obj) {
      return typeof obj === "undefined" ? "undefined" : (0, _typeof4["default"])(obj);
    };
  } else {
    _typeof = function _typeof(obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : (0, _typeof4["default"])(obj);
    };
  }return _typeof(obj);
}

function _extends() {
  _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }return target;
  };return _extends.apply(this, arguments);
}

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

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);if (staticProps) _defineProperties(Constructor, staticProps);return Constructor;
}

function _possibleConstructorReturn(self, call) {
  if (call && (_typeof(call) === "object" || typeof call === "function")) {
    return call;
  }return _assertThisInitialized(self);
}

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }return self;
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };return _getPrototypeOf(o);
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } });if (superClass) _setPrototypeOf(subClass, superClass);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;return o;
  };return _setPrototypeOf(o, p);
}

var Placements = (0, _type.tuple)('topLeft', 'topCenter', 'topRight', 'bottomLeft', 'bottomCenter', 'bottomRight');

var Dropdown =
/*#__PURE__*/
function (_React$Component) {
  _inherits(Dropdown, _React$Component);

  function Dropdown() {
    var _this;

    _classCallCheck(this, Dropdown);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Dropdown).apply(this, arguments));

    _this.renderOverlay = function (prefixCls) {
      // rc-dropdown already can process the function of overlay, but we have check logic here.
      // So we need render the element to check and pass back to rc-dropdown.
      var overlay = _this.props.overlay;
      var overlayNode;

      if (typeof overlay === 'function') {
        overlayNode = overlay();
      } else {
        overlayNode = overlay;
      }

      overlayNode = React.Children.only(overlayNode);
      var overlayProps = overlayNode.props; // Warning if use other mode

      (0, _warning["default"])(!overlayProps.mode || overlayProps.mode === 'vertical', "mode=\"".concat(overlayProps.mode, "\" is not supported for Dropdown's Menu.")); // menu cannot be selectable in dropdown defaultly
      // menu should be focusable in dropdown defaultly

      var _overlayProps$selecta = overlayProps.selectable,
          selectable = _overlayProps$selecta === void 0 ? false : _overlayProps$selecta,
          _overlayProps$focusab = overlayProps.focusable,
          focusable = _overlayProps$focusab === void 0 ? true : _overlayProps$focusab;
      var expandIcon = React.createElement("span", {
        className: "".concat(prefixCls, "-menu-submenu-arrow")
      }, React.createElement(_icon["default"], {
        type: "right",
        className: "".concat(prefixCls, "-menu-submenu-arrow-icon")
      }));
      var fixedModeOverlay = typeof overlayNode.type === 'string' ? overlay : React.cloneElement(overlayNode, {
        mode: 'vertical',
        selectable: selectable,
        focusable: focusable,
        expandIcon: expandIcon
      });
      return fixedModeOverlay;
    };

    _this.renderDropDown = function (_ref) {
      var getContextPopupContainer = _ref.getPopupContainer,
          getPrefixCls = _ref.getPrefixCls;
      var _this$props = _this.props,
          customizePrefixCls = _this$props.prefixCls,
          children = _this$props.children,
          trigger = _this$props.trigger,
          disabled = _this$props.disabled,
          getPopupContainer = _this$props.getPopupContainer;
      var prefixCls = getPrefixCls('dropdown', customizePrefixCls);
      var child = React.Children.only(children);
      var dropdownTrigger = React.cloneElement(child, {
        className: (0, _classnames["default"])(child.props.className, "".concat(prefixCls, "-trigger")),
        disabled: disabled
      });
      var triggerActions = disabled ? [] : trigger;
      var alignPoint;

      if (triggerActions && triggerActions.indexOf('contextMenu') !== -1) {
        alignPoint = true;
      }

      return React.createElement(_rcDropdown["default"], _extends({
        alignPoint: alignPoint
      }, _this.props, {
        prefixCls: prefixCls,
        getPopupContainer: getPopupContainer || getContextPopupContainer,
        transitionName: _this.getTransitionName(),
        trigger: triggerActions,
        overlay: function overlay() {
          return _this.renderOverlay(prefixCls);
        }
      }), dropdownTrigger);
    };

    return _this;
  }

  _createClass(Dropdown, [{
    key: "getTransitionName",
    value: function getTransitionName() {
      var _this$props2 = this.props,
          _this$props2$placemen = _this$props2.placement,
          placement = _this$props2$placemen === void 0 ? '' : _this$props2$placemen,
          transitionName = _this$props2.transitionName;

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

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

      return 'slide-up';
    }
  }, {
    key: "render",
    value: function render() {
      return React.createElement(_configProvider.ConfigConsumer, null, this.renderDropDown);
    }
  }]);

  return Dropdown;
}(React.Component);

exports["default"] = Dropdown;
Dropdown.defaultProps = {
  mouseEnterDelay: 0.15,
  mouseLeaveDelay: 0.1,
  placement: 'bottomLeft'
};