QuestionHomeListItem.js
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import React, { Component } from "react";
import { Image, StyleSheet, Text, TouchableOpacity, View, DeviceEventEmitter } from "react-native";
import _ from "lodash";
import { width, zoomH, zoomW } from "../../utils/getSize";
import StashHead from "../../widget/StashHead";
import { NoDoublePress } from "../../utils/utils";
import ItemHeaderInfo from "../../pages/component/ItemHeaderInfo";
export default class QuestionHomeListItem extends Component {
constructor(props) {
super(props);
this.state = {
data: "",
threadData:{},//帖子信息
};
}
componentDidMount() {
this.subscription = DeviceEventEmitter.addListener('readNoti',(itemId)=>{
if (itemId.toString()==this.props.item.id) {
this.props.item.hasBeenRead = true;
}
});
this.dataHandle(this.props.item);
}
compnentWillUnmount() {
this.subscription.remove();
}
/**
* 接口返回数据处理
* @param {*} data
*/
dataHandle(data) {
if (!!!data) {
// xnToast("暂无数据!!!");
return;
}
let attachmentList = [];
let singleItem = {
id: "",
name: "",
attachment: [],
commentNum: 0,
userId: ""
};
singleItem.isBoardTop = data.irsBoardTop ? data.isBoardTop : false;
if (data.attachmentList) {
for (let j = 0; j < data.attachmentList.length; j++) {
if (j > 2) {
break;
}
let urls = {
url: ""
};
urls.url = data.attachmentList[j].filePath;
attachmentList.push(urls);
}
}
singleItem.id = data.id;
singleItem.userId = data.user.id;
singleItem.name = data.title;
singleItem.attachment = attachmentList;
singleItem.commentNum = data.threadStatistics.commentNum;
this.setState({
data: singleItem,
threadData :data,
});
}
_detailClick = id => {
//详情
this.props.nav.navigate("QuestionList", {
id: id,
userId: this.state.data.userId
});
};
renderView() {
return (
<TouchableOpacity
style={styles.itemBackground}
activeOpacity={0.8}
onPress={() => {
NoDoublePress.onPress(() => {
this._detailClick(this.state.data.id);
});
}}
>
<View>
{/*头部信息*/}
<ItemHeaderInfo itemList = {this.state.threadData} nav = {this.props.nav} showType = {this.props.showType}
showReport = {this.props.showReport|| false}
reportCallback = {()=>{
if (this.props.reportCallback !=undefined){
this.props.reportCallback();
}
}}/>
{/*文字*/}
<Text
style={{
marginTop: 14 / zoomH,
marginLeft: 15 / zoomW,
marginRight:15/zoomW,
fontSize: 18,
flex:1,
color: this.props.item.hasBeenRead ? "#999" : "rgba(0,0,0,0.85)",
fontWeight: "bold"
}}
numberOfLines={2}
>
{this.state.data.name}
</Text>
{/*图片*/}
{!!this.state.data.attachment &&
this.state.data.attachment.length > 0 && (
<View
style={{
flexDirection: "row",
alignItems: "center",
flexWrap: "wrap",
paddingLeft:15/zoomW,
paddingRight:15/zoomW,
marginTop: 14
}}
>
{this.state.data.attachment
? this.state.data.attachment.map((v, i) =>
this.renderImageItem(v, i)
)
: null}
</View>
)}
</View>
<TouchableOpacity activeOpacity={0.8} style={styles.starItem}>
{this.state.data.isBoardTop ? <View style = {{marginLeft:15/zoomW}}>
<StashHead />
</View>
: null}
<Text
style={{
fontSize: 12,
color: "#000000",
marginTop: 12 / zoomH,
marginBottom: 14 / zoomH,
marginLeft: 15 / zoomW,
opacity: 0.45
}}
>
{this.state.data.commentNum + " 回答"}
</Text>
</TouchableOpacity>
<View style={{ height: 6/zoomH, backgroundColor: "#F3F5F6" }} />
</TouchableOpacity>
);
}
//渲染图片列表item
renderImageItem(item, i) {
let itemWidth = (width - 10-2*15/zoomW) / 3;
return (
<View
key={i}
style={[
i < 2 ? { marginRight: 5 } : null,
{
width: itemWidth,
height: itemWidth,
backgroundColor: "#FFFFFF"
}
]}
>
<Image
style={{ width: "100%", height: "100%" }}
source={{
uri: item.url+'?x-oss-process=image/resize,w_'+parseInt(itemWidth*3),
cache: "force-cache"
}}
resizeMode="cover"
/>
</View>
);
}
render() {
return (
<View>
{_.isEmpty(this.state.data) ? null : <View>{this.renderView()}</View>}
</View>
);
}
}
const styles = StyleSheet.create({
itemBackground: {
backgroundColor: "#FFFFFF"
},
starItem: {
flex: 1,
justifyContent: "flex-start",
alignItems:'center',
flexDirection: "row"
}
});