RecommendContentOne.js
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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 RecommendContentOne 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, big_image, list} = this.props.data.toObject();
let left = list.get(0);
let leftUrl = YH_Image.getSlicedUrl(left.get('src'), width, listHeight, 2);
let right = list.delete(0).toArray();
return (
<View style={styles.container}>
<HeadTitleCell title={title.get('title')} moreUrl={title.get('more_url')} onPressTitleMore={this.props.onPressTitleMore} />
<ImageSlider
resource={big_image}
sliderWidth={width}
sliderHeight={bannerHeight}
onPressSlideItem={this.props.onPressRecommendSlideItem}
/>
<View style={styles.list}>
<TouchableOpacity
style={styles.large}
activeOpacity={1}
onPress={() => {
this.props.onPressRecommendListItem && this.props.onPressRecommendListItem(left.get('url'), 0);
}}
>
<YH_Image url={leftUrl} style={styles.large} />
</TouchableOpacity>
<View style={styles.right}>
{right.map((item, i) => {
let url = YH_Image.getSlicedUrl(item.get('src'), width, listHeight, 2);
return (
<TouchableOpacity
key={i}
style={styles.small}
activeOpacity={1}
onPress={() => {
this.props.onPressRecommendListItem && this.props.onPressRecommendListItem(item.get('url'), i + 1);
}}
>
<YH_Image url={url} style={styles.small} />
</TouchableOpacity>
);
})}
<View style={styles.vLine1} />
<View style={styles.vLine2} />
<View style={styles.hLine1} />
</View>
</View>
</View>
);
}
}
let {width, height} = Dimensions.get('window');
const DEVICE_WIDTH_RATIO = width / 320;
let bannerHeight = Math.ceil(200 * DEVICE_WIDTH_RATIO);
let listHeight = Math.ceil(190 * DEVICE_WIDTH_RATIO);
let containerHeight = 40 + bannerHeight + listHeight;
let largeImageWidth = Math.floor(129 * DEVICE_WIDTH_RATIO);
let smallImageWidth = Math.floor((width - largeImageWidth) / 2);
let styles = StyleSheet.create({
container: {
width: width,
height: containerHeight,
flexDirection: 'column',
},
list: {
flexDirection: 'row',
width,
height: listHeight,
},
right: {
flexDirection: 'row',
flexWrap: 'wrap',
width: Math.ceil(width - largeImageWidth),
height: listHeight,
},
large: {
width: largeImageWidth,
height: listHeight,
},
small: {
width: smallImageWidth,
height: Math.ceil(listHeight / 2),
},
vLine1: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: 0.5,
height: listHeight,
top: 0,
left: 0,
},
vLine2: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: 0.5,
height: listHeight,
top: 0,
left: smallImageWidth,
},
hLine1: {
position: 'absolute',
backgroundColor: '#e5e5e5',
width: smallImageWidth * 2,
height: 0.5,
top: smallImageWidth,
left: 0,
},
});