/**
 * ldesign v0.4.2
 * (c) 2023 ldesign
 * @license MIT
 */

import _defineProperty from '@babel/runtime/helpers/defineProperty';
import { defineComponent, reactive, ref, onMounted, createVNode, Fragment, h } from 'vue';
import { ChevronRightIcon, ChevronLeftIcon } from '@ldesign/icons-vue-next';
import isFunction from 'lodash/isFunction';
import { Divider } from '../divider/index.js';
import { usePrefixClass } from '../hooks/useConfig.js';
import { useGlobalIcon } from '../hooks/useGlobalIcon.js';
import props from './props.js';
import _DropdownItem from './dropdown-item.js';
import '../utils/withInstall.js';
import '../divider/divider.js';
import '../hooks/tnode.js';
import 'lodash/camelCase';
import 'lodash/kebabCase';
import '../utils/render-tnode.js';
import 'lodash/isEmpty';
import 'lodash/isString';
import 'lodash/isObject';
import '../divider/props.js';
import '../config-provider/useConfig.js';
import 'lodash/cloneDeep';
import '../config-provider/context.js';
import 'lodash/mergeWith';
import 'lodash/merge';
import 'lodash/isArray';
import '../_common/js/global-config/default-config.js';
import '../_common/js/global-config/locale/zh_CN.js';
import '@babel/runtime/helpers/typeof';
import '../_chunks/dep-c9c789a8.js';
import 'dayjs';
import '../hooks/useRipple.js';
import '../utils/set-style.js';
import '../hooks/useKeepAnimation.js';
import '../utils/helper.js';
import '@babel/runtime/helpers/objectWithoutProperties';
import '@babel/runtime/helpers/slicedToArray';
import 'lodash/isUndefined';
import 'lodash/isNull';
import 'lodash/isNumber';
import './dropdown-item-props.js';

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); 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 = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
var _DropdownMenu = defineComponent({
  name: "TDropdownMenu",
  props: _objectSpread({}, props),
  setup: function setup(props) {
    var dropdownClass = usePrefixClass("dropdown");
    var dropdownMenuClass = usePrefixClass("dropdown__menu");
    var scrollTopMap = reactive({});
    var menuRef = ref();
    var isOverMaxHeight = ref(false);
    var _useGlobalIcon = useGlobalIcon({
        ChevronRightIcon: ChevronRightIcon,
        ChevronLeftIcon: ChevronLeftIcon
      }),
      ChevronRightIcon$1 = _useGlobalIcon.ChevronRightIcon,
      ChevronLeftIcon$1 = _useGlobalIcon.ChevronLeftIcon;
    var handleItemClick = function handleItemClick(options) {
      var _data$onClick, _props$onClick;
      var data = options.data,
        context = options.context;
      data === null || data === void 0 ? void 0 : (_data$onClick = data.onClick) === null || _data$onClick === void 0 ? void 0 : _data$onClick.call(data, data, context);
      (_props$onClick = props.onClick) === null || _props$onClick === void 0 ? void 0 : _props$onClick.call(props, data, context);
    };
    var handleScroll = function handleScroll(e, deep) {
      var scrollTop = e.target.scrollTop;
      scrollTopMap[deep] = scrollTop;
    };
    onMounted(function () {
      if (menuRef.value) {
        var _window;
        var menuHeight = parseInt((_window = window) === null || _window === void 0 ? void 0 : _window.getComputedStyle(menuRef.value).height, 10);
        if (menuHeight >= props.maxHeight) isOverMaxHeight.value = true;
      }
    });
    var getContent = function getContent(content) {
      if (isFunction(content)) return content(h);
      return content;
    };
    var renderOptions = function renderOptions(data, deep) {
      var _data$forEach;
      var arr = [];
      var renderContent;
      (_data$forEach = data.forEach) === null || _data$forEach === void 0 ? void 0 : _data$forEach.call(data, function (menu, idx) {
        var optionItem = _objectSpread({}, menu);
        var onViewIdx = idx - Math.ceil(scrollTopMap[deep] / 30);
        var renderIdx = onViewIdx >= 0 ? onViewIdx : idx;
        if (optionItem.children) {
          optionItem.children = renderOptions(optionItem.children, deep + 1);
          renderContent = createVNode("div", {
            "key": idx
          }, [createVNode(_DropdownItem, {
            "style": optionItem.style,
            "class": ["".concat(dropdownClass.value, "__item"), "".concat(dropdownClass.value, "__item--suffix"), optionItem["class"]],
            "value": optionItem.value,
            "theme": optionItem.theme,
            "active": optionItem.active,
            "prefixIcon": optionItem.prefixIcon,
            "disabled": optionItem.disabled,
            "minColumnWidth": props.minColumnWidth,
            "maxColumnWidth": props.maxColumnWidth,
            "isSubmenu": true
          }, {
            "default": function _default() {
              return [createVNode("div", {
                "class": "".concat(dropdownClass.value, "__item-content")
              }, [props.direction === "right" ? createVNode(Fragment, null, [createVNode("span", {
                "class": "".concat(dropdownClass.value, "__item-text")
              }, [getContent(optionItem.content)]), createVNode(ChevronRightIcon$1, {
                "class": "".concat(dropdownClass.value, "__item-direction"),
                "size": "16"
              }, null)]) : createVNode(Fragment, null, [createVNode(ChevronLeftIcon$1, {
                "class": "".concat(dropdownClass.value, "__item-direction"),
                "size": "16"
              }, null), createVNode("span", {
                "class": "".concat(dropdownClass.value, "__item-text")
              }, [getContent(optionItem.content)])])]), createVNode("div", {
                "class": ["".concat(dropdownClass.value, "__submenu-wrapper"), _defineProperty({}, "".concat(dropdownClass.value, "__submenu-wrapper--").concat(props.direction), props.direction)],
                "style": {
                  position: "absolute",
                  top: "".concat(renderIdx * 30, "px")
                }
              }, [createVNode("div", {
                "class": ["".concat(dropdownClass.value, "__submenu"), _defineProperty({}, "".concat(dropdownClass.value, "__submenu--disabled"), optionItem.disabled)],
                "style": {
                  position: "static",
                  maxHeight: "".concat(props.maxHeight, "px")
                },
                "onScroll": function onScroll(e) {
                  return handleScroll(e, deep + 1);
                }
              }, [createVNode("ul", null, [optionItem.children])])])];
            }
          }), optionItem.divider ? createVNode(Divider, null, null) : null]);
        } else {
          renderContent = createVNode("div", {
            "key": idx
          }, [createVNode(_DropdownItem, {
            "style": optionItem.style,
            "class": ["".concat(dropdownClass.value, "__item"), optionItem["class"]],
            "value": optionItem.value,
            "theme": optionItem.theme,
            "active": optionItem.active,
            "prefixIcon": optionItem.prefixIcon,
            "disabled": optionItem.disabled,
            "minColumnWidth": props.minColumnWidth,
            "maxColumnWidth": props.maxColumnWidth,
            "onClick": optionItem.disabled || optionItem.children ? function () {
              return null;
            } : function (value, context) {
              return handleItemClick({
                data: optionItem,
                context: context
              });
            }
          }, {
            "default": function _default() {
              return [createVNode("span", {
                "class": "".concat(dropdownClass.value, "__item-text")
              }, [getContent(optionItem.content)])];
            }
          }), optionItem.divider ? createVNode(Divider, null, null) : null]);
        }
        arr.push(renderContent);
      });
      return arr;
    };
    return function () {
      return createVNode("div", {
        "class": [dropdownMenuClass.value, "".concat(dropdownMenuClass.value, "--").concat(props.direction), _defineProperty({}, "".concat(dropdownMenuClass.value, "--overflow"), isOverMaxHeight.value)],
        "style": {
          maxHeight: "".concat(props.maxHeight, "px")
        },
        "ref": menuRef,
        "onScroll": function onScroll(e) {
          return handleScroll(e, 0);
        }
      }, [renderOptions(props.options, 0)]);
    };
  }
});

export { _DropdownMenu as default };
//# sourceMappingURL=dropdown-menu.js.map
