CouponFliter.js 3.45 KB
'use strict';

import React from 'react';
import ReactNative from 'react-native';

const {
    View,
    Text,
    ListView,
    TouchableOpacity,
    Dimensions,
    StyleSheet,
} = ReactNative;


export default class CouponFliter extends React.Component {

    constructor(props) {
        super (props);

        this._renderRow = this._renderRow.bind(this);
        this._renderSeparator = this._renderSeparator.bind(this);

        this.dataSource = new ListView.DataSource({
            rowHasChanged: (r1, r2) => r1.key != r2.key,
        });

        this.state = {
            filters: [
                {
                    key: 'unuseCoupon',
                    name: '未使用',
                    isSelect: false,
                },
                {
                    key: 'usedCoupon',
                    name: '已使用',
                    isSelect: false,
                },
            ],
            selectedIndex: this.props.selectID,
        };
    }

    _renderRow(rowData, sectionID, rowID) {

        let colorStyle = rowID == this.state.selectedIndex ? {color: '#444444'} : {color: '#b0b0b0'};

        return (
            <View style={{backgroundColor: 'white'}}>
                <TouchableOpacity onPress={() => {
                    let filters = this.state.filters;
                    let filter = this.state.filters[rowID];
                    if (this.state.selectedIndex == rowID) {
                        return;
                    }

                    filter.isSelect = !filter.isSelect;
                    filters[rowID] = filter;
                    this.setState({
                        selectedIndex: rowID,
                        filters,
                    });
                    this.props.onPressFilter && this.props.onPressFilter(rowID);
                }}>
                    <View key={'row' + rowID} style={styles.rowContainer}>
                        <Text style={[styles.name, colorStyle]}>{rowData.name}</Text>
                    </View>
                </TouchableOpacity>
            </View>
        );
    }

    _renderSeparator(sectionID, rowID, adjacentRowHighlighted) {
        return (
            <View key={'sep' + rowID} style={styles.separator}>
            </View>
        );
    }

    render() {

        return (
            <View style={[styles.container]}>
                <ListView
                    contentContainerStyle={[styles.contentContainer]}
                    enableEmptySections={true}
                    dataSource={this.dataSource.cloneWithRows(this.state.filters)}
                    renderRow={this._renderRow}
                    renderSeparator={this._renderSeparator}
                    scrollEnabled={false}
                    scrollsToTop={false}
                />
				<View style={{width: width,height: 1,backgroundColor: '#e5e5e5',}}/>
            </View>
        );
    }
}

let {width, height} = Dimensions.get('window');

let styles = StyleSheet.create({
    container: {
        marginLeft: -1,
        width: width + 2,
        height: 41,
		backgroundColor:'white',
    },
    contentContainer: {
        flexDirection: 'row',
    },
    rowContainer: {
        flexDirection: 'row',
        justifyContent: 'center',
        alignItems: 'center',
        width: Math.ceil(width / 2),
        height: 40,
		backgroundColor:'white',
    },
    name: {
        color: '#b0b0b0',
    },
    separator: {
        width: 0.5,
        top: 12.5,
        height: 15,
        backgroundColor: '#e5e5e5',
    },
});