PopularSingleProduct.js
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'use strict';
import React, {Component} from 'react';
import ReactNative, {
View,
Text,
ListView,
TouchableOpacity,
StyleSheet,
Dimensions,
} from 'react-native';
import Immutable, {Map, List} from 'immutable';
import SlicedImage from '../../../common/components/SlicedImage';
import YH_Image from '../../../common/components/YH_Image';
import HeadTitleCell from '../cell/HeadTitleCell';
import ImageSlider from '../cell/ImageSlider';
/**
* 人气单品楼层,
* 这个楼层是上边一个banner大图（数据是列表，但未处理列表逻辑），下边是滚动列表图
**/
export default class PopularSingleProduct extends Component{
constructor(props) {
super(props);
this.dataSource = new ListView.DataSource({
rowHasChanged: (r1, r2) => !Immutable.is(r1, r2),
});
this.renderRow = this.renderRow.bind(this);
}
renderRow(rowData,sectionID,rowID,highlightRow){
let goodsImageUrl = rowData.get('default_images', '');
goodsImageUrl = SlicedImage.getSlicedUrl(goodsImageUrl, goodsImageWidth, goodsImageHeight, 2);
let goodsPrice = "¥" + parseFloat(rowData.get('sales_price', 0)).toFixed(2);
let goodsLookNum = rowData.get('sales_num') + "人";
return (
<TouchableOpacity
activeOpacity={1}
onPress={() => this.props.onPressImageItem && this.props.onPressImageItem(rowData, rowID)}
>
<View style={styles.goodsContainer}>
<YH_Image
style={styles.goodsImage}
masksToBounds={true}
radius={{'topLeft':'2','topRight':'2','bottomRight':'2','bottomLeft':'2'}}
url={goodsImageUrl}
/>
<Text style={styles.goodsPrice} numberOfLines={1}>{goodsPrice}</Text>
<Text style={styles.goodsLookNum} numberOfLines={1}>{goodsLookNum}</Text>
<Text style={[styles.goodsLookNum, {marginTop: -5}]} numberOfLines={1}>正在浏览</Text>
</View>
</TouchableOpacity>
);
}
render(){
let data = this.props.data;
let background = data.get("background");
let banner = data.get("banner_image");
let title = data.get("title");
let imglst = data.get("list", List());
// let backgroundStyle = background.get("color") ? {backgroundColor: background.get("color")} : null;
// let bannerImageUrl = SlicedImage.getSlicedUrl(bannerImage.get(0).get("src"), width, bannerHeight, 2);
return(
<View style={styles.container}>
<HeadTitleCell title={title.get('title')} moreUrl={title.get('more_url')} onPressTitleMore={this.props.onPressTitleMore} />
<ImageSlider
resource={banner}
sliderWidth={width}
sliderHeight={bannerHeight}
onPressSlideItem={this.props.onPressSlideItem}
/>
<ListView
style={styles.listViewContainer}
dataSource={this.dataSource.cloneWithRows(imglst.toArray())}
horizontal={true}
renderRow={this.renderRow}
enableEmptySections={true}
/>
</View>
);
}
};
let {width} = Dimensions.get('window');
const DEVICE_WIDTH_RATIO = width / 320;
let bannerHeight = Math.ceil(width * 234 / 750);
let goodsImageWidth = Math.ceil(90);
let goodsImageHeight = Math.ceil(120);
let containerHeight = 40 + bannerHeight + 192;
let styles = StyleSheet.create({
container: {
width: width,
height: containerHeight,
backgroundColor: 'white'
},
bannerImage: {
width: width,
height: bannerHeight,
},
listViewContainer: {
width: width,
height: 202,
paddingTop: 12,
paddingBottom: 12,
backgroundColor: '#ffffff',
},
goodsContainer: {
width: 90,
height: 178,
marginLeft: 11,
// backgroundColor: '#f0f0f0',
},
goodsImage: {
width: goodsImageWidth,
height: goodsImageHeight,
borderRadius: 2,
},
goodsPrice: {
width: goodsImageWidth,
height: 20,
fontSize: 12,
fontWeight: 'bold',
color: '#444444',
textAlign: 'center',
marginTop: 5,
},
goodsLookNum: {
width: goodsImageWidth,
height: 15,
fontSize: 9,
fontWeight: 'bold',
color: '#b0b0b0',
textAlign: 'center',
},
});