acud/es/form/FormItemLabel.js

acg react 组件库

import _extends from "@babel/runtime/helpers/esm/extends";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import _typeof from "@babel/runtime/helpers/esm/typeof";
/**
 * @file Label for FormItem
 * @author chenqiang(chenqiang03)
 */
var __rest = this && this.__rest || function (s, e) {
  var t = {};
  for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
  if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
  }
  return t;
};
import * as React from 'react';
import classNames from 'classnames';
import OutlinedQuestionCircle from "acud-icon/es/icons/OutlinedQuestionCircle";
import Col from '../grid/col';
import { FormContext } from './context';
import { useLocaleReceiver } from '../locale-provider/LocaleReceiver';
import defaultLocale from '../locale/default';
import Tooltip from '../tooltip';
import { getCSSNumbericValue } from './util';
import { ConfigContext } from '../config-provider';
function toTooltipProps(tooltip) {
  if (!tooltip) {
    return null;
  }
  if (_typeof(tooltip) === 'object' && ! /*#__PURE__*/React.isValidElement(tooltip)) {
    return tooltip;
  }
  return {
    title: tooltip
  };
}
var FormItemLabel = function FormItemLabel(_ref) {
  var name = _ref.name,
    prefixCls = _ref.prefixCls,
    label = _ref.label,
    htmlFor = _ref.htmlFor,
    labelCol = _ref.labelCol,
    labelAlign = _ref.labelAlign,
    labelWidth = _ref.labelWidth,
    colon = _ref.colon,
    required = _ref.required,
    requiredMark = _ref.requiredMark,
    tooltip = _ref.tooltip,
    labelExtra = _ref.labelExtra;
  var _useLocaleReceiver = useLocaleReceiver('Form'),
    _useLocaleReceiver2 = _slicedToArray(_useLocaleReceiver, 1),
    formLocale = _useLocaleReceiver2[0];
  var _React$useContext = React.useContext(ConfigContext),
    locale = _React$useContext.locale;
  var ellipsedRef = React.useRef();
  // isEllipsed只作用于英文环境
  var _React$useState = React.useState(false),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    isEllipsed = _React$useState2[0],
    setIsEllipsed = _React$useState2[1];
  // 渲染label旁边的自定义组件
  var renderLabelExtra = React.useCallback(function () {
    if (/*#__PURE__*/React.isValidElement(labelExtra)) {
      return /*#__PURE__*/React.cloneElement(labelExtra, {
        name: name
      });
    } else if (labelExtra) {
      var LabelExtra = labelExtra;
      return /*#__PURE__*/React.createElement(LabelExtra, {
        name: name
      });
    }
    return null;
  }, [labelExtra, label]);
  React.useLayoutEffect(function () {
    if (!ellipsedRef.current || (locale === null || locale === void 0 ? void 0 : locale.locale) !== 'en') {
      return;
    }
    setIsEllipsed(ellipsedRef.current.scrollHeight > ellipsedRef.current.clientHeight);
  }, [label]);
  // 允许水平方向label设置空字符串作为占位符
  if (typeof label === 'undefined') {
    return null;
  }
  return /*#__PURE__*/React.createElement(FormContext.Consumer, {
    key: "label"
  }, function (_ref2) {
    var vertical = _ref2.vertical,
      contextLabelAlign = _ref2.labelAlign,
      contextLabelCol = _ref2.labelCol,
      contextLabelWidth = _ref2.labelWidth,
      contextColon = _ref2.colon;
    var _a;
    // 取消垂直布局label为空字符串的占位功能
    if (!label && vertical) {
      return null;
    }
    var mergedLabelCol = labelCol || contextLabelCol || {};
    var mergedLabelAlign = labelAlign || contextLabelAlign;
    var mergedLabelWidth = getCSSNumbericValue(labelWidth || contextLabelWidth);
    var labelClsBasic = "".concat(prefixCls, "-item-label");
    var labelColClassName = classNames(labelClsBasic, mergedLabelAlign === 'left' && "".concat(labelClsBasic, "-left"), mergedLabelCol.className);
    var labelChildren = [label];
    // Keep label is original where there should have no colon
    var computedColon = colon === true || contextColon !== false && colon !== false;
    var haveColon = computedColon && !vertical && typeof label === 'string' && label.trim() !== '';
    // Remove duplicated user input colon
    if (haveColon) {
      labelChildren = [label.replace(/[:|：]\s*$/, '')];
    }
    var tooltipProps = toTooltipProps(tooltip);
    if (tooltipProps) {
      var _tooltipProps$icon = tooltipProps.icon,
        icon = _tooltipProps$icon === void 0 ? /*#__PURE__*/React.createElement(OutlinedQuestionCircle, null) : _tooltipProps$icon,
        restTooltipProps = __rest(tooltipProps, ["icon"]);
      var tooltipNode = /*#__PURE__*/React.createElement(Tooltip, restTooltipProps, /*#__PURE__*/React.cloneElement(icon, {
        className: "".concat(prefixCls, "-item-tooltip")
      }));
      labelChildren.push(tooltipNode);
    }
    // Add required mark if optional
    if (requiredMark === 'optional' && !required) {
      labelChildren.push(/*#__PURE__*/React.createElement("span", {
        className: "".concat(prefixCls, "-item-optional")
      }, (formLocale === null || formLocale === void 0 ? void 0 : formLocale.optional) || ((_a = defaultLocale.Form) === null || _a === void 0 ? void 0 : _a.optional)));
    }
    var labelClassName = classNames(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty({}, "".concat(prefixCls, "-item-required"), required), "".concat(prefixCls, "-item-required-mark-optional"), requiredMark === 'optional'), "".concat(prefixCls, "-item-no-colon"), !haveColon), "".concat(prefixCls, "-item-has-tooltip"), !!tooltipProps), "".concat(prefixCls, "-item-label-ellipsed"), isEllipsed));
    var labelStyle = !vertical ? {
      width: mergedLabelWidth
    } : {};
    return /*#__PURE__*/React.createElement(Col, _extends({}, mergedLabelCol, {
      style: labelStyle,
      className: labelColClassName
    }), /*#__PURE__*/React.createElement("label", {
      htmlFor: htmlFor,
      className: labelClassName,
      title: typeof label === 'string' ? label : ''
    }, (locale === null || locale === void 0 ? void 0 : locale.locale) === 'en' ? /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("div", {
      className: "".concat(prefixCls, "-item-label-content"),
      ref: ellipsedRef
    }, labelChildren[0], /*#__PURE__*/React.createElement("span", {
      className: classNames(_defineProperty(_defineProperty({}, "".concat(prefixCls, "-item-label-content-opt-ellipsed"), isEllipsed), "".concat(prefixCls, "-item-label-content-opt-not-ellipsed"), !isEllipsed))
    }, labelChildren.slice(1)))) : labelChildren), labelExtra && vertical && /*#__PURE__*/React.createElement("div", {
      className: "".concat(prefixCls, "-item-label-extra")
    }, renderLabelExtra()));
  });
};
export default FormItemLabel;