forgeplus-react/node_modules/rc-select/es/DropdownMenu.js

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 _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); }

import scrollIntoView from 'dom-scroll-into-view';
import * as PropTypes from 'prop-types';
import raf from 'raf';
import Menu from 'rc-menu';
import toArray from "rc-util/es/Children/toArray";
import * as React from 'react';
import { findDOMNode } from 'react-dom';
import { getSelectKeys, preventDefaultEvent, saveRef } from './util';

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

  function DropdownMenu(props) {
    var _this;

    _classCallCheck(this, DropdownMenu);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(DropdownMenu).call(this, props));
    _this.rafInstance = {
      cancel: function cancel() {
        return null;
      }
    };
    _this.lastVisible = false;

    _this.scrollActiveItemToView = function () {
      // scroll into view
      var itemComponent = findDOMNode(_this.firstActiveItem);
      var _this$props = _this.props,
          visible = _this$props.visible,
          firstActiveValue = _this$props.firstActiveValue;
      var value = _this.props.value;

      if (!itemComponent || !visible) {
        return;
      }

      var scrollIntoViewOpts = {
        onlyScrollIfNeeded: true
      };

      if ((!value || value.length === 0) && firstActiveValue) {
        scrollIntoViewOpts.alignWithTop = true;
      } // Delay to scroll since current frame item position is not ready when pre view is by filter
      // https://github.com/ant-design/ant-design/issues/11268#issuecomment-406634462


      _this.rafInstance = raf(function () {
        scrollIntoView(itemComponent, findDOMNode(_this.menuRef), scrollIntoViewOpts);
      });
    };

    _this.renderMenu = function () {
      var _this$props2 = _this.props,
          menuItems = _this$props2.menuItems,
          menuItemSelectedIcon = _this$props2.menuItemSelectedIcon,
          defaultActiveFirstOption = _this$props2.defaultActiveFirstOption,
          prefixCls = _this$props2.prefixCls,
          multiple = _this$props2.multiple,
          onMenuSelect = _this$props2.onMenuSelect,
          inputValue = _this$props2.inputValue,
          backfillValue = _this$props2.backfillValue,
          onMenuDeselect = _this$props2.onMenuDeselect,
          visible = _this$props2.visible;
      var firstActiveValue = _this.props.firstActiveValue;

      if (menuItems && menuItems.length) {
        var menuProps = {};

        if (multiple) {
          menuProps.onDeselect = onMenuDeselect;
          menuProps.onSelect = onMenuSelect;
        } else {
          menuProps.onClick = onMenuSelect;
        }

        var value = _this.props.value;
        var selectedKeys = getSelectKeys(menuItems, value);
        var activeKeyProps = {};
        var defaultActiveFirst = defaultActiveFirstOption;
        var clonedMenuItems = menuItems;

        if (selectedKeys.length || firstActiveValue) {
          if (visible && !_this.lastVisible) {
            activeKeyProps.activeKey = selectedKeys[0] || firstActiveValue;
          } else if (!visible) {
            // Do not trigger auto active since we already have selectedKeys
            if (selectedKeys[0]) {
              defaultActiveFirst = false;
            }

            activeKeyProps.activeKey = undefined;
          }

          var foundFirst = false; // set firstActiveItem via cloning menus
          // for scroll into view

          var clone = function clone(item) {
            var key = item.key;

            if (!foundFirst && selectedKeys.indexOf(key) !== -1 || !foundFirst && !selectedKeys.length && firstActiveValue.indexOf(item.key) !== -1) {
              foundFirst = true;
              return React.cloneElement(item, {
                ref: function ref(_ref) {
                  _this.firstActiveItem = _ref;
                }
              });
            }

            return item;
          };

          clonedMenuItems = menuItems.map(function (item) {
            if (item.type.isMenuItemGroup) {
              var children = toArray(item.props.children).map(clone);
              return React.cloneElement(item, {}, children);
            }

            return clone(item);
          });
        } else {
          // Clear firstActiveItem when dropdown menu items was empty
          // Avoid `Unable to find node on an unmounted component`
          // https://github.com/ant-design/ant-design/issues/10774
          _this.firstActiveItem = null;
        } // clear activeKey when inputValue change


        var lastValue = value && value[value.length - 1];

        if (inputValue !== _this.lastInputValue && (!lastValue || lastValue !== backfillValue)) {
          activeKeyProps.activeKey = '';
        }

        return React.createElement(Menu, _extends({
          ref: _this.saveMenuRef,
          style: _this.props.dropdownMenuStyle,
          defaultActiveFirst: defaultActiveFirst,
          role: "listbox",
          itemIcon: multiple ? menuItemSelectedIcon : null
        }, activeKeyProps, {
          multiple: multiple
        }, menuProps, {
          selectedKeys: selectedKeys,
          prefixCls: "".concat(prefixCls, "-menu")
        }), clonedMenuItems);
      }

      return null;
    };

    _this.lastInputValue = props.inputValue;
    _this.saveMenuRef = saveRef(_assertThisInitialized(_this), 'menuRef');
    return _this;
  }

  _createClass(DropdownMenu, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.scrollActiveItemToView();
      this.lastVisible = this.props.visible;
    }
  }, {
    key: "shouldComponentUpdate",
    value: function shouldComponentUpdate(nextProps) {
      if (!nextProps.visible) {
        this.lastVisible = false;
      } // freeze when hide


      return this.props.visible && !nextProps.visible || nextProps.visible || nextProps.inputValue !== this.props.inputValue;
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      var props = this.props;

      if (!prevProps.visible && props.visible) {
        this.scrollActiveItemToView();
      }

      this.lastVisible = props.visible;
      this.lastInputValue = props.inputValue;
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      if (this.rafInstance && this.rafInstance.cancel) {
        this.rafInstance.cancel();
      }
    }
  }, {
    key: "render",
    value: function render() {
      var renderMenu = this.renderMenu();
      return renderMenu ? React.createElement("div", {
        style: {
          overflow: 'auto',
          transform: 'translateZ(0)'
        },
        id: this.props.ariaId,
        onFocus: this.props.onPopupFocus,
        onMouseDown: preventDefaultEvent,
        onScroll: this.props.onPopupScroll
      }, renderMenu) : null;
    }
  }]);

  return DropdownMenu;
}(React.Component);

export { DropdownMenu as default };
DropdownMenu.displayName = 'DropdownMenu';
DropdownMenu.propTypes = {
  ariaId: PropTypes.string,
  defaultActiveFirstOption: PropTypes.bool,
  value: PropTypes.any,
  dropdownMenuStyle: PropTypes.object,
  multiple: PropTypes.bool,
  onPopupFocus: PropTypes.func,
  onPopupScroll: PropTypes.func,
  onMenuDeSelect: PropTypes.func,
  onMenuSelect: PropTypes.func,
  prefixCls: PropTypes.string,
  menuItems: PropTypes.any,
  inputValue: PropTypes.string,
  visible: PropTypes.bool,
  firstActiveValue: PropTypes.string,
  menuItemSelectedIcon: PropTypes.oneOfType([PropTypes.func, PropTypes.node])
};