RecommendContentThree.js
3.98 KB
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'use strict';
import React from 'react';
import ReactNative from 'react-native';
import HeadTitleCell from '../cell/HeadTitleCell';
import ImageSlider from '../cell/ImageSlider';
import YH_Image from '../../../common/components/YH_Image';
import Immutable, {Map} from 'immutable';
const {
View,
TouchableOpacity,
StyleSheet,
Dimensions,
Platform,
} = ReactNative;
export default class RecommendContentThree extends React.Component {
constructor(props) {
super (props);
}
shouldComponentUpdate(nextProps){
if (Immutable.is(nextProps.data, this.props.data)) {
return false;
} else {
return true;
}
}
render() {
let {big_image, list} = this.props.data.toObject();
let data = list.toArray();
let lineNumber = parseInt((data.length + 3) / 4);
let listHeight = Math.floor(lineNumber * imageHeight);
let containerHeight = bannerHeight + listHeight
return (
<View style={[styles.container, {height: containerHeight}]}>
<ImageSlider
resource={big_image}
sliderWidth={width}
sliderHeight={bannerHeight}
onPressSlideItem={this.props.onPressRecommendListItem}
/>
<View style={[styles.list, {height: listHeight}]}>
{data.map((item, i) => {
let imageUrl = YH_Image.getSlicedUrl(item.get('src'), imageWidth, imageHeight, 2);
let yh_exposureData = item.get('yh_exposureData')?item.get('yh_exposureData').toJS():null;
return (
<TouchableOpacity
key={i}
yh_exposureData={yh_exposureData}
style={styles.image}
activeOpacity={1}
onPress={() => {
this.props.onPressRecommendListItem && this.props.onPressRecommendListItem(item.get('url'), imageUrl, i);
}}
>
<YH_Image url={imageUrl} style={styles.image} />
</TouchableOpacity>
);
})}
<View style={[styles.vLine1, {height: listHeight}]} />
<View style={[styles.vLine2, {height: listHeight}]} />
<View style={[styles.vLine3, {height: listHeight}]} />
<View style={styles.hLine1} />
<View style={styles.hLine2} />
</View>
</View>
);
}
}
let {width, height} = Dimensions.get('window');
const DEVICE_WIDTH_RATIO = width / 320;
let bannerHeight = Math.ceil(100 * DEVICE_WIDTH_RATIO);
let imageWidth = width / 4;
let imageHeight = Math.floor(87 * DEVICE_WIDTH_RATIO);
let styles = StyleSheet.create({
container: {
width: width,
flexDirection: 'column',
},
list: {
flexDirection: 'row',
flexWrap: 'wrap',
width,
},
image: {
width: imageWidth,
height: imageHeight,
},
vLine1: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: 0.5,
top: 0,
left: imageWidth,
},
vLine2: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: 0.5,
top: 0,
left: imageWidth * 2,
},
vLine3: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: 0.5,
top: 0,
left: imageWidth * 3,
},
hLine1: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width,
height: 0.5,
top: 0,
left: 0,
},
hLine2: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width,
height: 0.5,
top: imageHeight,
left: 0,
},
});