linkmore-design/lib/lm-filter/components/SelectFilter.js

🌈 🚀lm组件库。🚀

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _react = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _virtualList = _interopRequireDefault(require("../../virtual-list"));
var _InputSearchClose = _interopRequireDefault(require("./InputSearchClose"));
var _EmptyFilter = _interopRequireDefault(require("./EmptyFilter"));
var _hooks = require("../hooks");
const SelectFilter = ({
  instance,
  item: itemProps
}) => {
  const {
    filterValue = '',
    setFilterValue,
    visible,
    locale
  } = instance;
  const {
    data: filters = [],
    showSearch
  } = itemProps;
  const delayedFn = (0, _hooks.useDelayedFn)();
  const inputRef = (0, _react.useRef)(null);
  // 搜索后的筛选项
  const [options, setOptions] = (0, _react.useState)(filters);
  // 是否存在搜索, 当数据大于8时存在搜索
  const isSearch = (0, _react.useMemo)(() => filters.length > 8 && !!(showSearch ?? true), [filters.length, showSearch]);

  // 自定义节点字段
  const fieldNames = (0, _react.useMemo)(() => ({
    label: 'label',
    value: 'value',
    ...itemProps.fieldNames
  }), [itemProps.fieldNames]);
  const handleFilter = (val = '') => {
    const serachValues = filters.filter(v => v[fieldNames.label].indexOf(val) > -1);
    setOptions(serachValues);
  };

  // 单选事件
  const onChange = (e, obj) => {
    e.preventDefault();
    setFilterValue?.(obj[fieldNames.value], obj);
  };

  // 展开下拉时触发: 赋值 && 聚焦 && 重置显示内容
  (0, _react.useEffect)(() => {
    if (visible) {
      delayedFn(() => inputRef.current?.focus?.({
        cursor: 'all'
      }));
      // 若开启了 Dropdown => destroyPopupOnHide=true 无需重置操作 反之需开启
      // inputRef.current?.setValue?.('');
      // handleFilter('');
    }
  }, [visible]);
  return /*#__PURE__*/_react.default.createElement("div", {
    className: "filter_dropdown"
  }, isSearch && /*#__PURE__*/_react.default.createElement("div", {
    className: "filter_header"
  }, /*#__PURE__*/_react.default.createElement(_InputSearchClose.default, {
    ref: inputRef,
    onSearch: handleFilter,
    onChange: handleFilter
  })), /*#__PURE__*/_react.default.createElement("div", {
    className: "filter_body"
  }, /*#__PURE__*/_react.default.createElement(_virtualList.default, {
    options: options,
    className: "filter_list"
  }, ({
    item,
    ...resetProps
  }) => {
    return /*#__PURE__*/_react.default.createElement("div", (0, _extends2.default)({}, resetProps, {
      className: (0, _classnames.default)('filter_item', {
        checked: item[fieldNames.value] === filterValue
      }),
      onClick: e => onChange(e, item)
    }), /*#__PURE__*/_react.default.createElement("div", {
      className: "filter_item_content"
    }, item[fieldNames.label]));
  }), !options.length && /*#__PURE__*/_react.default.createElement(_EmptyFilter.default, {
    description: locale.empty
  })));
};
var _default = SelectFilter;
exports.default = _default;