ImageSlider.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 YH_Image from '../../../common/components/YH_Image';
import Immutable from 'immutable';
const {
View,
Image,
TouchableOpacity,
StyleSheet,
Dimensions,
Platform,
} = ReactNative;
export default class ImageSlider extends React.Component {
constructor(props) {
super(props);
this._handleParamsJumpWithUrl = this._handleParamsJumpWithUrl.bind(this);
}
shouldComponentUpdate(nextProps) {
if (Immutable.is(nextProps.resource, this.props.resource)
&& nextProps.sliderWidth == this.props.sliderWidth
&& nextProps.sliderHeight == this.props.sliderHeight) {
return false;
} else {
return true;
}
}
_handleParamsJumpWithUrl(index, url) {
// 为埋点提供参数组装
// 后期请将所有的点击事件由 resourceJumpWithUrl 修改为自己独有的事件
// 由于多数组件都使用的 resourceJumpWithUrl ，埋点传参无法正常进行
let params = {
I_INDEX: index,
F_URL: url
};
this.props.resourceJumpWithUrl && this.props.resourceJumpWithUrl(url, 'banner', params);
}
render() {
let {resource, sliderWidth, sliderHeight} = this.props;
if (!resource || resource.size == 0) {
return null;
}
let data = this.props.resource.toJS();
if (data.length == 1) {
let imageUrl = YH_Image.getSlicedUrl(data[0].src, sliderWidth, sliderHeight, 2);
return (
<TouchableOpacity
activeOpacity={1}
yh_exposureData={data[0].yh_exposureData}
style={{width: sliderWidth, height: sliderHeight}}
onPress={() => {
this._handleParamsJumpWithUrl(1, data[0].url)
}}
>
<YH_Image
url={imageUrl}
style={{width: sliderWidth, height: sliderHeight}}
/>
</TouchableOpacity>
);
} else {
return (
<YH_Swiper
showsButtons={false}
loop={true}
autoplay={true}
autoplayTimeout={8}
width={sliderWidth}
height={sliderHeight}
paginationStyle={{
backgroundColor: 'rgba(68, 68, 68, 0.2)',
bottom: 10,
height: 10,
width: data.length * 12,
borderRadius: 5,
marginLeft: (sliderWidth - data.length * 12) / 2,
paddingBottom: 0,
}}
>
{data.map((item, i) => {
let imageUrl = YH_Image.getSlicedUrl(item.src, sliderWidth, sliderHeight, 2);
return (
<TouchableOpacity
key={i}
activeOpacity={1}
yh_exposureData={item.yh_exposureData}
onPress={() => {
this._handleParamsJumpWithUrl(i + 1, item.url);
}}
>
<YH_Image
url={imageUrl}
style={{width: sliderWidth, height: sliderHeight}}
/>
</TouchableOpacity>
);
})}
</YH_Swiper>
);
}
}
}