content: /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import React, { Component } from 'react';
  import PropTypes from 'prop-types';
  import { Tabs } from 'antd';
  
  const { TabPane } = Tabs;
  
  const generateId = (() => {
    let i = 0;
    return (prefix = '') => {
      i += 1;
      return `${prefix}${i}`;
    };
  })();
  
  export default class LoginTab extends Component {
    static __ANT_PRO_LOGIN_TAB = true;
    static contextTypes = {
      tabUtil: PropTypes.object,
    };
    constructor(props) {
      super(props);
      this.uniqueId = generateId('login-tab-');
    }
    componentWillMount() {
      if (this.context.tabUtil) {
        this.context.tabUtil.addTab(this.uniqueId);
      }
    }
    render() {
      return <TabPane {...this.props} />;
    }
  }
  