"use strict";

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

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

var ReactDOM = _interopRequireWildcard(require("react-dom"));

var _resizeObserverPolyfill = _interopRequireDefault(require("resize-observer-polyfill"));

var _SubMenu = _interopRequireDefault(require("./SubMenu"));

var _util = require("./util");

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

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

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

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

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

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

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 canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
var MENUITEM_OVERFLOWED_CLASSNAME = 'menuitem-overflowed';
var FLOAT_PRECISION_ADJUST = 0.5; // Fix ssr

if (canUseDOM) {
  // eslint-disable-next-line global-require
  require('mutationobserver-shim');
}

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

  function DOMWrap() {
    var _this;

    _classCallCheck(this, DOMWrap);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(DOMWrap).apply(this, arguments));
    _this.resizeObserver = null;
    _this.mutationObserver = null; // original scroll size of the list

    _this.originalTotalWidth = 0; // copy of overflowed items

    _this.overflowedItems = []; // cache item of the original items (so we can track the size and order)

    _this.menuItemSizes = [];
    _this.state = {
      lastVisibleIndex: undefined
    }; // get all valid menuItem nodes

    _this.getMenuItemNodes = function () {
      var prefixCls = _this.props.prefixCls;
      var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));

      if (!ul) {
        return [];
      } // filter out all overflowed indicator placeholder


      return [].slice.call(ul.children).filter(function (node) {
        return node.className.split(' ').indexOf("".concat(prefixCls, "-overflowed-submenu")) < 0;
      });
    };

    _this.getOverflowedSubMenuItem = function (keyPrefix, overflowedItems, renderPlaceholder) {
      var _this$props = _this.props,
          overflowedIndicator = _this$props.overflowedIndicator,
          level = _this$props.level,
          mode = _this$props.mode,
          prefixCls = _this$props.prefixCls,
          theme = _this$props.theme;

      if (level !== 1 || mode !== 'horizontal') {
        return null;
      } // put all the overflowed item inside a submenu
      // with a title of overflow indicator ('...')


      var copy = _this.props.children[0];

      var _copy$props = copy.props,
          throwAway = _copy$props.children,
          title = _copy$props.title,
          propStyle = _copy$props.style,
          rest = _objectWithoutProperties(_copy$props, ["children", "title", "style"]);

      var style = _objectSpread({}, propStyle);

      var key = "".concat(keyPrefix, "-overflowed-indicator");
      var eventKey = "".concat(keyPrefix, "-overflowed-indicator");

      if (overflowedItems.length === 0 && renderPlaceholder !== true) {
        style = _objectSpread({}, style, {
          display: 'none'
        });
      } else if (renderPlaceholder) {
        style = _objectSpread({}, style, {
          visibility: 'hidden',
          // prevent from taking normal dom space
          position: 'absolute'
        });
        key = "".concat(key, "-placeholder");
        eventKey = "".concat(eventKey, "-placeholder");
      }

      var popupClassName = theme ? "".concat(prefixCls, "-").concat(theme) : '';
      var props = {};

      _util.menuAllProps.forEach(function (k) {
        if (rest[k] !== undefined) {
          props[k] = rest[k];
        }
      });

      return React.createElement(_SubMenu.default, Object.assign({
        title: overflowedIndicator,
        className: "".concat(prefixCls, "-overflowed-submenu"),
        popupClassName: popupClassName
      }, props, {
        key: key,
        eventKey: eventKey,
        disabled: false,
        style: style
      }), overflowedItems);
    }; // memorize rendered menuSize


    _this.setChildrenWidthAndResize = function () {
      if (_this.props.mode !== 'horizontal') {
        return;
      }

      var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));

      if (!ul) {
        return;
      }

      var ulChildrenNodes = ul.children;

      if (!ulChildrenNodes || ulChildrenNodes.length === 0) {
        return;
      }

      var lastOverflowedIndicatorPlaceholder = ul.children[ulChildrenNodes.length - 1]; // need last overflowed indicator for calculating length;

      (0, _util.setStyle)(lastOverflowedIndicatorPlaceholder, 'display', 'inline-block');

      var menuItemNodes = _this.getMenuItemNodes(); // reset display attribute for all hidden elements caused by overflow to calculate updated width
      // and then reset to original state after width calculation


      var overflowedItems = menuItemNodes.filter(function (c) {
        return c.className.split(' ').indexOf(MENUITEM_OVERFLOWED_CLASSNAME) >= 0;
      });
      overflowedItems.forEach(function (c) {
        (0, _util.setStyle)(c, 'display', 'inline-block');
      });
      _this.menuItemSizes = menuItemNodes.map(function (c) {
        return (0, _util.getWidth)(c);
      });
      overflowedItems.forEach(function (c) {
        (0, _util.setStyle)(c, 'display', 'none');
      });
      _this.overflowedIndicatorWidth = (0, _util.getWidth)(ul.children[ul.children.length - 1]);
      _this.originalTotalWidth = _this.menuItemSizes.reduce(function (acc, cur) {
        return acc + cur;
      }, 0);

      _this.handleResize(); // prevent the overflowed indicator from taking space;


      (0, _util.setStyle)(lastOverflowedIndicatorPlaceholder, 'display', 'none');
    };

    _this.handleResize = function () {
      if (_this.props.mode !== 'horizontal') {
        return;
      }

      var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));

      if (!ul) {
        return;
      }

      var width = (0, _util.getWidth)(ul);
      _this.overflowedItems = [];
      var currentSumWidth = 0; // index for last visible child in horizontal mode

      var lastVisibleIndex; // float number comparison could be problematic
      // e.g. 0.1 + 0.2 > 0.3 =====> true
      // thus using FLOAT_PRECISION_ADJUST as buffer to help the situation

      if (_this.originalTotalWidth > width + FLOAT_PRECISION_ADJUST) {
        lastVisibleIndex = -1;

        _this.menuItemSizes.forEach(function (liWidth) {
          currentSumWidth += liWidth;

          if (currentSumWidth + _this.overflowedIndicatorWidth <= width) {
            lastVisibleIndex += 1;
          }
        });
      }

      _this.setState({
        lastVisibleIndex: lastVisibleIndex
      });
    };

    return _this;
  }

  _createClass(DOMWrap, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var _this2 = this;

      this.setChildrenWidthAndResize();

      if (this.props.level === 1 && this.props.mode === 'horizontal') {
        var menuUl = ReactDOM.findDOMNode(this);

        if (!menuUl) {
          return;
        }

        this.resizeObserver = new _resizeObserverPolyfill.default(function (entries) {
          entries.forEach(_this2.setChildrenWidthAndResize);
        });
        [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {
          _this2.resizeObserver.observe(el);
        });

        if (typeof MutationObserver !== 'undefined') {
          this.mutationObserver = new MutationObserver(function () {
            _this2.resizeObserver.disconnect();

            [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {
              _this2.resizeObserver.observe(el);
            });

            _this2.setChildrenWidthAndResize();
          });
          this.mutationObserver.observe(menuUl, {
            attributes: false,
            childList: true,
            subTree: false
          });
        }
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      if (this.resizeObserver) {
        this.resizeObserver.disconnect();
      }

      if (this.mutationObserver) {
        this.mutationObserver.disconnect();
      }
    }
  }, {
    key: "renderChildren",
    value: function renderChildren(children) {
      var _this3 = this;

      // need to take care of overflowed items in horizontal mode
      var lastVisibleIndex = this.state.lastVisibleIndex;
      return (children || []).reduce(function (acc, childNode, index) {
        var item = childNode;

        if (_this3.props.mode === 'horizontal') {
          var overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, []);

          if (lastVisibleIndex !== undefined && _this3.props.className.indexOf("".concat(_this3.props.prefixCls, "-root")) !== -1) {
            if (index > lastVisibleIndex) {
              item = React.cloneElement(childNode, // 这里修改 eventKey 是为了防止隐藏状态下还会触发 openkeys 事件
              {
                style: {
                  display: 'none'
                },
                eventKey: "".concat(childNode.props.eventKey, "-hidden"),

                /**
                 * Legacy code. Here `className` never used:
                 * https://github.com/react-component/menu/commit/4cd6b49fce9d116726f4ea00dda85325d6f26500#diff-e2fa48f75c2dd2318295cde428556a76R240
                 */
                className: "".concat(MENUITEM_OVERFLOWED_CLASSNAME)
              });
            }

            if (index === lastVisibleIndex + 1) {
              _this3.overflowedItems = children.slice(lastVisibleIndex + 1).map(function (c) {
                return React.cloneElement(c, // children[index].key will become '.$key' in clone by default,
                // we have to overwrite with the correct key explicitly
                {
                  key: c.props.eventKey,
                  mode: 'vertical-left'
                });
              });
              overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, _this3.overflowedItems);
            }
          }

          var ret = [].concat(_toConsumableArray(acc), [overflowed, item]);

          if (index === children.length - 1) {
            // need a placeholder for calculating overflowed indicator width
            ret.push(_this3.getOverflowedSubMenuItem(childNode.props.eventKey, [], true));
          }

          return ret;
        }

        return [].concat(_toConsumableArray(acc), [item]);
      }, []);
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          visible = _this$props2.visible,
          prefixCls = _this$props2.prefixCls,
          overflowedIndicator = _this$props2.overflowedIndicator,
          mode = _this$props2.mode,
          level = _this$props2.level,
          tag = _this$props2.tag,
          children = _this$props2.children,
          theme = _this$props2.theme,
          rest = _objectWithoutProperties(_this$props2, ["visible", "prefixCls", "overflowedIndicator", "mode", "level", "tag", "children", "theme"]);

      var Tag = tag;
      return React.createElement(Tag, Object.assign({}, rest), this.renderChildren(children));
    }
  }]);

  return DOMWrap;
}(React.Component);

DOMWrap.defaultProps = {
  tag: 'div',
  className: ''
};
var _default = DOMWrap;
exports.default = _default;