qt-public-ui/es/IndexCard/group.js

新设计规范下业务组件库

import React, { useState, useEffect } from 'react';
import { Spin } from 'antd';
import { HorizontalScroll, IndexCard } from '..';
import classnames from 'classnames';
var Group = function Group(props) {
  var type = props.type,
    onChange = props.onChange,
    children = props.children,
    style = props.style,
    multiSelect = props.multiSelect,
    _props$max = props.max,
    max = _props$max === void 0 ? Infinity : _props$max,
    _props$min = props.min,
    min = _props$min === void 0 ? 0 : _props$min,
    _props$loading = props.loading,
    loading = _props$loading === void 0 ? false : _props$loading,
    className = props.className;
  var isControlled = ('value' in props);
  var _useState = useState((isControlled ? props.value : props.defaultValue) || (multiSelect ? [] : '')),
    activeKey = _useState[0],
    setActiveKey = _useState[1];
  var onCardClick = function onCardClick(key) {
    if (multiSelect) {
      var _activeKey = [].concat(activeKey);
      var index = _activeKey.indexOf(key);
      if (index > -1) {
        // 如果存在就删除
        // 判断是否超过限制
        if (_activeKey.length > min) {
          _activeKey.splice(index, 1);
          onChange && onChange(_activeKey);
          !isControlled && setActiveKey(_activeKey);
        }
      } else if (_activeKey.length < max) {
        // 不存在就添加
        _activeKey.length < max && _activeKey.push(key);
        onChange && onChange(_activeKey);
        !isControlled && setActiveKey(_activeKey);
      }
    } else {
      activeKey !== key && onChange && onChange(key);
      !isControlled && setActiveKey(key);
    }
  };
  var getActive = function getActive(id) {
    if (multiSelect) {
      return activeKey != null && activeKey.indexOf(id) > -1;
    } else {
      return activeKey != null && id === activeKey;
    }
  };
  useEffect(function () {
    isControlled && setActiveKey(props.value);
  }, [isControlled, props.value]);
  if (!children) {
    return null;
  }
  var renderCard = function renderCard(child) {
    if (!child) return null;
    var childProps = child.type === IndexCard ? {
      key: child.props.id,
      onClick: onCardClick,
      isActive: getActive(child.props.id),
      hasHook: multiSelect
    } : {
      key: child.props.id
    };
    return React.cloneElement(child, childProps);
  };
  var renderCards = function renderCards(childs) {
    return childs.map(function (child) {
      if (Array.isArray(child)) {
        return renderCards(child);
      }
      return renderCard(child);
    });
  };
  return /*#__PURE__*/React.createElement(Spin, {
    spinning: loading
  }, /*#__PURE__*/React.createElement(HorizontalScroll, {
    isFlex: type === 'flex',
    style: style,
    className: classnames(className, 'umui-index-card-group')
  }, Array.isArray(children) ? renderCards(children) : renderCard(children)));
};
Group.displayName = 'Group';
Group.defaultProps = {
  type: 'default',
  multiSelect: false,
  max: Infinity,
  min: 0,
  loading: false
};
export default Group;