手动反应本机更新抽屉组件

问题描述

我有一个抽屉组件，用户可以从权限页面设置菜单项的可见性。用户更新权限后，我无法使用最新菜单项更新抽屉组件。 当我重新加载应用程序或注销并登录时，它确实会更新。我正在寻找一种更新角色后刷新抽屉的方法。当前在BusinessRoleEdit页面上返回navigation.navigate（'BusinessRoleList'）不起作用。我想我必须在createstack导航器上添加“ addlistener”或以其他方式导航，但无法弄清楚如何。任何帮助将不胜感激。

Drawercomponent.jsx

 import React,{useState,useEffect} from 'react';
    import PropTypes from 'prop-types';
    import { SafeAreaView,ScrollView,StyleSheet,View,TouchableOpacity } from 'react-native';
    import { DrawerItems,createStackNavigator  } from 'react-navigation';
    import { Container,Content,Text,List,ListItem,Spinner,Left,Icon,Right,Thumbnail,Body,Separator } from "native-base";
    import {Image,ImageBackground} from "react-native";
    import logo from '../images/logofullwhite200.png';
    import Collapsing from 'react-native-collapsing';
    import { useApolloClient } from '@apollo/react-hooks';
    import BUSINESSROLE_QUERY from '@gqlapp/businessrole-client-react/graphql/BusinessRoleQuery.graphql';
    import CURRENT_USER_QUERY from '@gqlapp/user-client-react/graphql/CurrentUserQuery.graphql';
    
    const DrawerComponent = (props,navigation) => {
      const skippedItems = Object.keys(props.drawerItems).filter(name => props.drawerItems[name].skip);
      const [selected,setSelected] = useState('');
      const [permissions,setPermissions] = useState({});
      const [permissionsUpdated,setPermissionsUpdated] = useState(false);
    
      if (props.currentUser) {
        let client = useApolloClient();
        let _permissions = []
        client.query({
          query: BUSINESSROLE_QUERY,variables: { id: props.currentUser.businessroleid}
        }).then((br) => {
          let businessrole = br.data.businessrole;
          _permissions = JSON.parse(businessrole.permissions)
          if(!permissionsUpdated) {
            setPermissions(_permissions)
            setPermissionsUpdated(true)
          }
        })
      }
    
    
     const RenderMenu = () => {
        if (permissions) {
          let menuElements = []
          Object.keys(permissions).forEach(p => {
            if(permissions[p].children && permissions[p].isChecked ) {
              let subTitles = []
              permissions[p].children.map(child=>{
                if (child.isChecked) {
                  subTitles.push({name: child.nav,title: child.name,icon: child.icon})
                }
              })
              menuElements.push(<Collapsing
                selected={selected}
                iconBarNameNormal={permissions[p].icon}
                iconBarNameFocus={permissions[p].icon}
                iconBarColorNormal="#0480CB"
                title={permissions[p].navtitle}
                color="#4CAF50"
                showOnStart={false}
                animateIconNameNormal="chevron-down"
                animateIconNameFocus="chevron-up"
                onPress={e => {
                  setSelected(e.name);
                  props.navigation.navigate(e.name);
                }}
                menu={subTitles}
              />)
            }
          })
          return (<View>
                     {menuElements.map(elm =>{return elm})}
                 </View>)
        } else {
          return <Spinner color="blue" />
        }
      }
    
      let client = useApolloClient();
      let _permissions = []
      client.query({ query: CURRENT_USER_QUERY }).then((cr) => {
        let currentUser = cr.data.currentUser
        client.query({
          query: BUSINESSROLE_QUERY,variables: { id: currentUser.businessroleid}
        }).then((br) => {
          let businessrole = br.data.businessrole;
          _permissions = JSON.parse(businessrole.permissions)
        })
      })
    
    
    return (
      <View style={styles.flexcontainer}>
        <View style={styles.firstBox}>
          <ImageBackground
            source={{
              uri: "https://raw.githubusercontent.com/GeekyAnts/NativeBase-KitchenSink/master/assets/drawer-cover.png"
            }}
            style={{
              height: 80,alignSelf: "stretch",justifyContent: "center",alignItems: "center"
            }}>
            <Image
              square
              style={{ height: 50,width: 140 }}
              source={logo}
            />
          </ImageBackground>
        </View>
        <View  style={styles.secondBox}>
          <ScrollView>
            <RenderMenu/>
          </ScrollView>
        </View>
        <View  style={styles.thirdBox}>
          <ListItem avatar itemDivider >
            <Left>
              <Thumbnail small source={{ uri: 'https://secure.gravatar.com/avatar/843473dc1738adb0ef54d450243d8955?s=320&amp;d=identicon' }} />
            </Left>
            <Body  style={{borderBottomWidth: 0}}>
              <Text>Caner Cakmak</Text>
              <Text note numberOfLines={1}>My Grocery Retail Store</Text>
            </Body>
            <Right  style={{borderBottomWidth: 0}}>
               <Icon active name="log-out"/>
            </Right>
          </ListItem>
        </View>
      </View>
      );
    };
    
    DrawerComponent.propTypes = {
      onItemPress: PropTypes.func,drawerItems: PropTypes.object,currentUser: PropTypes.object
    };
    
    export default DrawerComponent;
    
    
    const styles = StyleSheet.create({
      container: {
        flex: 1,paddingTop: 20
      },flexcontainer: {
          flex: 3,},firstBox: {
          flex: 1
      },secondBox: {
          flex: 8
      },thirdBox: {
          flex: 1
      }
    });

Businessroledit.jsx

graphql(EDIT_BUSINESSROLE,{
    props: ({ ownProps: { history,navigation },mutate }) => ({
      editBusinessRole: async (id,name,permissions,business_id) => {
        await mutate({
          variables: {
            input: {
              id,name: name.trim(),permissions:JSON.stringify(permissions),business_id: parseInt(business_id)
            }
          }
        });
        if (history) {
          return await history.push('/businessroles');
        }
        if (navigation) {
          return navigation.navigate('BusinessRoleList');
        }
      }
    })
  })

userscreennavigator.jsx

import { createAppContainer,createDrawerNavigator } from 'react-navigation';
import React from 'react';
import PropTypes from 'prop-types';
import { pickBy } from 'lodash';
import { compose } from '@gqlapp/core-common';
import { DrawerComponent } from '@gqlapp/look-client-react-native';
import { withUser } from './Auth';

class UserScreenNavigator extends React.Component {
  static propTypes = {
    currentUser: PropTypes.object,context: PropTypes.object,currentUserLoading: PropTypes.bool.isRequired,routeConfigs: PropTypes.object
  };


  businessRoleQuery = async (client: ApolloClient<any>) => {
    const {currentUser } = this.props;
    await client.readQuery({ query: BUSINESSROLE_QUERY,variables: { id: 1} }).then((user)=> {
      return user
    })
  }

  shouldComponentUpdate(nextProps) {
    const { currentUserLoading,currentUser } = this.props;
    /**
     * After a user edits the profile the CurrentUser being updated in the State as well.
     * That leads to the Navigator re-rendering and,as a result,takes the user back to the initial route.
     * In order to let the user get back to his/her profile we need to prevent the Navigator
     * re-render action after profile was edited
     */

    return !(
      !currentUserLoading &&
      currentUser &&
      nextProps.currentUser &&
      currentUser.id === nextProps.currentUser.id &&
      currentUser.role === nextProps.currentUser.role
    );
  }

  navItemsFilter = () => {
    const { currentUser,currentUserLoading,routeConfigs } = this.props;

    const userFilter = value => {
      if (!value.userInfo) return true;
      const { showOnLogin,role } = value.userInfo;
      return showOnLogin && (!role || (Array.isArray(role) ? role : [role]).includes(currentUser.role));
    };

    const guestFilter = value => !value.userInfo || (value.userInfo && !value.userInfo.showOnLogin);

    return pickBy(routeConfigs,currentUser && !currentUserLoading ? userFilter : guestFilter);
  };

  getInitialRoute = () => {
    const { currentUser } = this.props;
    return currentUser ? 'Dashboard' : 'Login';
  };

  render() {
    const { currentUser,currentUserLoading} = this.props;

    const MainScreenNavigatorComponent = createAppContainer(
      createDrawerNavigator(
        { ...this.navItemsFilter() },{
          // eslint-disable-next-line
        contentComponent: props => <DrawerComponent {...props} currentUser={currentUser} drawerItems={this.props.routeConfigs} />,initialRouteName: this.getInitialRoute()
        }
      )
    );

    return <MainScreenNavigatorComponent />;
  }
}

const drawerNavigator = routeConfigs => {
  const withRoutes = Component => {
    const ownProps = { routeConfigs };
    const WithRoutesComponent = ({ ...props }) => <Component {...props} {...ownProps} />;
    return WithRoutesComponent;
  };

  return compose(
    withUser,withRoutes
  )(UserScreenNavigator);
};

export default drawerNavigator;

解决方法

暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！

如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。

小编邮箱:dio#foxmail.com (将#修改为@）