const tabbaroption = {
    activeTintColor: 'red',
    inactiveTintColor: '#999999',
    showIcon: true,
    style: {
        justifyContent:'center',
        alignItems:'center',
        backgroundColor:'#fff'
    },
    indicatorStyle: {
        opacity: 0
    },
    iconStyle:{
        paddingBottom:0,
        paddingTop:0,
        padding:0,
        marginTop:0,
        marginBottom:0,
        width:SCALE(40),
        height:SCALE(40),
    },
    labelStyle:{
        paddingTop:0,
        paddingBottom:SCALE(10),
        marginTop:0,
        padding:0,
        fontSize:FONT(10),
        color:Color.C888888
    },
    tabStyle: {
        height:Platform.OS==='ios'?SCALE(98):SCALE(100),
        justifyContent:'center',
        alignItems:'center'
    }
};
//我发起的请假选项
const TabContainer = TabNavigator(
    {
        Home: {
            screen: HomeContainer,
        },
        Project: {screen: ProjectContainer,},
        Profile: {screen: ProfileContainer,},
    },
    {
        lazy: true,
        swipeEnabled: false,
        tabBarPosition: 'bottom',
        animationEnabled: true,
        backBehavior: 'none', // 按 back 键是否跳转到第一个Tab(首页)， none 为不跳转
        tabBarOptions: tabbaroption,
        tabBarComponent:props => <Tab {...props}/>, });

export default class Tab extends Component {
    static defaultProps = {
    };

    renderItem = (route, index) => {
        const {
            navigation,
            jumpToIndex,
        } = this.props;

        const focused = index === navigation.state.index;
        const color = focused ? this.props.activeTintColor : this.props.inactiveTintColor;
        let TabScene = {
            focused:focused,
            route:route,
            tintColor:color
        };
        return (
            <TouchableOpacity
                key={route.key}
                style={styles.tabItem}
                onPress={() => jumpToIndex(index)}
            >
                <View
                    style={styles.tabItem}>
                    {this.props.renderIcon(TabScene)}
                    <Text style={{ ...styles.tabText,marginTop:SCALE(10),color }}>{this.props.getLabel(TabScene)}</Text>
                </View>
            </TouchableOpacity>
        );
    };

    render(){
        // console.log('Tab this.props',this.props);
        const {navigation,} = this.props;

        const {routes,} = navigation.state;
        return (
            <View style={styles.tab}>
                {routes && routes.map((route,index) => this.renderItem(route, index))}
            </View>
        );
    }


}


const styles = {
    tab:{
        borderTopWidth:StyleSheet.hairlineWidth,
        borderTopColor:Color.dddddd,
        width:WIDTH,
        height: Platform.OS==='ios'?SCALE(90):SCALE(100),
        backgroundColor:'white',
        flexDirection:'row',
        justifyContent:'space-around',
        alignItems:'center'
    },
    tabItem:{
        width:SCALE(100),
        alignItems:'center',
        justifyContent:'center'
    },
    tabText:{
        marginTop:SCALE(13),
        fontSize:FONT(10),
        color:Color.C7b7b7b
    },
    tabTextChoose:{
        color:Color.f3474b
    },
    tabImage:{
        width:SCALE(42),
        height:SCALE(42),
    },
}