@perfma/heaven/es/table/filter-dropdown/index.js

An UI Framework base [Ant Design V4](https://ant.design/components/overview-cn/) for React.

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

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

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import React from 'react';
import { ConfigProvider, Tree, Button, Menu } from 'antd';
import Checkbox from '../../checkbox';
import Radio from '../../radio';
import Empty from '../../empty';
import FilterSearch from './filter-search';

function flattenKeys(filters) {
  var keys = [];
  (filters || []).forEach(function (_ref) {
    var value = _ref.value,
        children = _ref.children;
    keys.push(value);

    if (children) {
      keys = [].concat(_toConsumableArray(keys), _toConsumableArray(flattenKeys(children)));
    }
  });
  return keys;
}

function hasSubMenu(filters) {
  return filters.some(function (_ref2) {
    var children = _ref2.children;
    return children;
  });
}

function searchValueMatched(searchValue, text) {
  if (typeof text === 'string' || typeof text === 'number') {
    return text === null || text === void 0 ? void 0 : text.toString().toLowerCase().includes(searchValue.trim().toLowerCase());
  }

  return false;
}

function renderFilterItems(_ref3) {
  var filters = _ref3.filters,
      prefixCls = _ref3.prefixCls,
      filteredKeys = _ref3.filteredKeys,
      filterMultiple = _ref3.filterMultiple,
      searchValue = _ref3.searchValue,
      filterSearch = _ref3.filterSearch;
  return filters.map(function (filter, index) {
    var key = String(filter.value);

    if (filter.children) {
      return /*#__PURE__*/React.createElement(Menu.SubMenu, {
        key: key || index,
        title: filter.text,
        popupClassName: "".concat(prefixCls, "-dropdown-submenu")
      }, renderFilterItems({
        filters: filter.children,
        prefixCls: prefixCls,
        filteredKeys: filteredKeys,
        filterMultiple: filterMultiple,
        searchValue: searchValue,
        filterSearch: filterSearch
      }));
    }

    var Component = filterMultiple ? Checkbox : Radio;
    var item = /*#__PURE__*/React.createElement(Menu.Item, {
      key: filter.value !== undefined ? key : index
    }, /*#__PURE__*/React.createElement(Component, {
      checked: filteredKeys.includes(key)
    }), /*#__PURE__*/React.createElement("span", null, filter.text));

    if (searchValue.trim()) {
      if (typeof filterSearch === 'function') {
        return filterSearch(searchValue, filter) ? item : undefined;
      }

      return searchValueMatched(searchValue, filter.text) ? item : undefined;
    }

    return item;
  });
}

var FilterDropdown = function FilterDropdown(_ref4) {
  var setSelectedKeys = _ref4.setSelectedKeys,
      selectedKeys = _ref4.selectedKeys,
      confirm = _ref4.confirm,
      clearFilters = _ref4.clearFilters,
      visible = _ref4.visible,
      locale = _ref4.locale,
      column = _ref4.column,
      customizePrefixCls = _ref4.customizePrefixCls,
      customizeDropdownPrefixCls = _ref4.customizeDropdownPrefixCls,
      getPopupContainer = _ref4.getPopupContainer;

  var _React$useContext = React.useContext(ConfigProvider.ConfigContext),
      getPrefixCls = _React$useContext.getPrefixCls;

  var tablePrefixCls = getPrefixCls('table', customizePrefixCls);
  var prefixCls = "".concat(tablePrefixCls, "-filter");
  var dropdownPrefixCls = getPrefixCls('dropdown', customizeDropdownPrefixCls);
  var dropdownMenuClass = !hasSubMenu(column.filters || []) ? "".concat(dropdownPrefixCls, "-menu-without-submenu") : '';
  var _column$filterMultipl = column.filterMultiple,
      filterMultiple = _column$filterMultipl === void 0 ? true : _column$filterMultipl; // search in tree mode column filter

  var _React$useState = React.useState(''),
      _React$useState2 = _slicedToArray(_React$useState, 2),
      searchValue = _React$useState2[0],
      setSearchValue = _React$useState2[1];

  var onSearch = function onSearch(e) {
    var value = e.target.value;
    setSearchValue(value);
  }; // clear search value after close filter dropdown


  React.useEffect(function () {
    if (!visible) {
      setSearchValue('');
      setTimeout(function () {
        return setSelectedKeys([]);
      }, 200); // 因为下拉弹窗消失有延迟，所以setTimeout避免闪烁
    }
  }, [visible]);

  var onCheckAll = function onCheckAll(e) {
    if (e.target.checked) {
      var allFilterKeys = flattenKeys(column === null || column === void 0 ? void 0 : column.filters).map(function (key) {
        return String(key);
      });
      setSelectedKeys(allFilterKeys);
    } else {
      setSelectedKeys([]);
    }
  };

  var onCheck = function onCheck(keys, _ref5) {
    var node = _ref5.node,
        checked = _ref5.checked;

    if (!filterMultiple) {
      setSelectedKeys(checked && node.key ? [node.key] : []);
    } else {
      setSelectedKeys(keys);
    }
  };

  var getTreeData = function getTreeData(_ref6) {
    var filters = _ref6.filters;
    return (filters || []).map(function (filter, index) {
      var key = String(filter.value);
      var item = {
        title: filter.text,
        key: filter.value !== undefined ? key : index
      };

      if (filter.children) {
        item.children = getTreeData({
          filters: filter.children
        });
      }

      return item;
    });
  };

  var getFilterComponent = function getFilterComponent() {
    if ((column.filters || []).length === 0) {
      return /*#__PURE__*/React.createElement(Empty, {
        image: Empty.PRESENTED_IMAGE_SIMPLE,
        description: locale === null || locale === void 0 ? void 0 : locale.filterEmptyText,
        imageStyle: {
          height: 24
        },
        style: {
          margin: 0,
          padding: '16px 0'
        }
      });
    }

    if (column.filterMode === 'tree') {
      return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(FilterSearch, {
        filterSearch: column.filterSearch || false,
        value: searchValue,
        onChange: onSearch,
        tablePrefixCls: tablePrefixCls,
        locale: locale
      }), /*#__PURE__*/React.createElement("div", {
        className: "".concat(tablePrefixCls, "-filter-dropdown-tree")
      }, filterMultiple ? /*#__PURE__*/React.createElement(Checkbox, {
        checked: selectedKeys.length === flattenKeys(column.filters).length,
        indeterminate: selectedKeys.length > 0 && selectedKeys.length < flattenKeys(column.filters).length,
        className: "".concat(tablePrefixCls, "-filter-dropdown-checkall"),
        onChange: onCheckAll
      }, locale === null || locale === void 0 ? void 0 : locale.filterCheckall) : null, /*#__PURE__*/React.createElement(Tree, {
        checkable: true,
        selectable: false,
        blockNode: true,
        multiple: filterMultiple,
        checkStrictly: !filterMultiple,
        className: "".concat(dropdownPrefixCls, "-menu"),
        onCheck: onCheck,
        checkedKeys: selectedKeys,
        selectedKeys: selectedKeys,
        showIcon: false,
        treeData: getTreeData({
          filters: column.filters
        }),
        autoExpandParent: true,
        defaultExpandAll: true,
        filterTreeNode: searchValue.trim() ? function (node) {
          return searchValueMatched(searchValue, node.title);
        } : undefined
      })));
    }

    return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(FilterSearch, {
      filterSearch: column.filterSearch,
      value: searchValue,
      onChange: onSearch,
      tablePrefixCls: tablePrefixCls,
      locale: locale
    }), /*#__PURE__*/React.createElement(Menu, {
      multiple: filterMultiple,
      prefixCls: "".concat(dropdownPrefixCls, "-menu"),
      className: dropdownMenuClass,
      onSelect: function onSelect(_ref7) {
        var keys = _ref7.selectedKeys;
        return setSelectedKeys(keys);
      },
      onDeselect: function onDeselect(_ref8) {
        var keys = _ref8.selectedKeys;
        return setSelectedKeys(keys);
      },
      selectedKeys: selectedKeys,
      getPopupContainer: getPopupContainer
    }, renderFilterItems({
      filters: column.filters || [],
      filterSearch: column.filterSearch,
      prefixCls: prefixCls,
      filteredKeys: selectedKeys,
      filterMultiple: filterMultiple,
      searchValue: searchValue
    })));
  };

  return /*#__PURE__*/React.createElement(React.Fragment, null, getFilterComponent(), /*#__PURE__*/React.createElement("div", {
    className: "".concat(prefixCls, "-dropdown-btns")
  }, /*#__PURE__*/React.createElement(Button, {
    type: "link",
    size: "small",
    disabled: selectedKeys.length === 0,
    onClick: function onClick() {
      return clearFilters();
    }
  }, locale === null || locale === void 0 ? void 0 : locale.filterReset), /*#__PURE__*/React.createElement(Button, {
    type: "primary",
    size: "small",
    onClick: function onClick() {
      return confirm();
    }
  }, locale === null || locale === void 0 ? void 0 : locale.filterConfirm)));
};

export default FilterDropdown;