TrendgoodsTopic.js
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'use strict';
import React from 'react';
import ReactNative from 'react-native';
import YH_Swiper from '../../../common/components/YH_Swiper';
import HeadTitleCell from '../cell/HeadTitleCell';
import YH_Image from '../../../common/components/YH_Image';
import Immutable, {Map} from 'immutable';
const {
View,
Image,
Text,
TouchableOpacity,
StyleSheet,
Dimensions,
Platform,
} = ReactNative;
export default class TrendgoodsTopic extends React.Component {
constructor(props) {
super (props);
}
shouldComponentUpdate(nextProps){
if (Immutable.is(nextProps.data, this.props.data)) {
return false;
} else {
return true;
}
}
render() {
let {title, list} = this.props.data.toJS();
let data = list;
let yh_exposureData_more = title.yh_exposureData?title.yh_exposureData:'';
if (data.length == 1) {
let url = YH_Image.getSlicedUrl(data[0].src, sliderWidth, sliderHeight, 2);
return (
<TouchableOpacity
activeOpacity={1}
style={{width: sliderWidth, height: sliderHeight}}
onPress={() => {
this.props.onPressSlideItem && this.props.onPressSlideItem(data[0].url, url, 0);
}}
>
<YH_Image
url={url}
style={{ width: sliderWidth, height: sliderHeight}}
/>
</TouchableOpacity>
);
} else {
return (
<View style={styles.container}>
<HeadTitleCell yh_exposureData={yh_exposureData_more} title={title.title} moreUrl={title.more_url} onPressTitleMore={this.props.onPressTitleMore} />
<YH_Swiper
showsButtons={false}
loop={true}
autoplay={true}
autoplayTimeout={3}
width={sliderWidth}
height={sliderHeight}
paginationStyle={{
backgroundColor: 'rgba(68, 68, 68, 0.2)',
bottom: 50,
height: 10,
width: data.length * 12,
borderRadius: 5,
marginLeft: (sliderWidth - data.length * 12)/2,
paddingBottom: 3,
}}
>
{data.map((item, i) => {
let url = YH_Image.getSlicedUrl(item.src, sliderWidth, sliderHeight, 2);
let yh_exposureData = item.yh_exposureData?item.yh_exposureData:null;
return (
<TouchableOpacity
key={i}
yh_exposureData={yh_exposureData}
activeOpacity={1}
onPress={() => {
this.props.onPressTrendTopicItem && this.props.onPressTrendTopicItem(item.url, url, i);
}}
>
<View style={styles.page}>
<YH_Image url={url} style={styles.pageImage} />
<Text style={styles.itemTitle} numberOfLines={1}>{item.title}</Text>
<View style={styles.timeContainer}>
<Image source={require('../../images/shared_time_icon.png')} style={styles.icon} />
<Text style={styles.timeText}>{item.publish_time}</Text>
</View>
</View>
</TouchableOpacity>
);
})}
</YH_Swiper>
</View>
);
}
}
}
let {width, height} = Dimensions.get('window');
const DEVICE_WIDTH_RATIO = width / 320;
let imageWidth = width - 15 * 2;
let imageHeight = Math.ceil(182 * DEVICE_WIDTH_RATIO);
let pageHeight = imageHeight + 15 + 16 + 9 + 12 + 30;
let containerHeight = 40 + 15 + pageHeight;
let sliderWidth = width;
let sliderHeight = containerHeight;
let styles = StyleSheet.create({
container: {
width,
height: containerHeight,
backgroundColor: 'white',
},
page: {
alignItems: 'center',
marginTop: 15,
height: pageHeight,
},
pageImage: {
width: imageWidth,
height: imageHeight,
},
itemTitle: {
fontFamily: 'STHeitiSC-Medium',
fontSize: 16,
color: '#444444',
marginTop: 15,
width: imageWidth,
},
timeContainer: {
flexDirection: 'row',
marginTop: 9,
width: imageWidth,
height: 12,
},
icon: {
width: 12,
height: 12,
},
timeText: {
fontSize: 11,
textAlign: 'left',
marginLeft: 5,
color: '#b0b0b0',
},
});