homeList.js
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/**
* Created by Cassie on 2018/03/06
*/
import React, { Component } from 'react';
import {
StyleSheet,
View,
Text,
TouchableOpacity,
Image,
FlatList,
ActivityIndicator
} from 'react-native';
import Video from 'react-native-video';
import {zoomW,zoomH} from '../utils/getSize';
import {numChange,timeChange,xnToast} from '../utils/utils';
import AppService from "../service/AppService";
const isTop = require('../img/isTop.png');
const cover = require('../img/cover.png');
const video = require('../img/video.png');
const top1 = require('../img/top1.png');
const top2 = require('../img/top2.png');
const top3 = require('../img/top3.png');
export default class HomeList extends Component {
constructor(props) {
super(props);
this.state = {
homeList:[],
newList:[],
hotList:[],
loadMore:false
};
}
/*获取帖子列表*/
getList = (param) => {
this.setState({
loading:true
});
AppService.findPostList({sortColumn:param,pageSize:10}).then(data=>{
this.setState({
loading:false
});
if(data.message){
xnToast(data.message);
return;
}
if(data.errors.length > 0) {
xnToast(data.errors[0].message);
}else{
this.setState({
title:data.result[0].forumName,
});
if(param == 'IS_FORUM_TOP'){
this.setState({
homeList:data.result,
});
}else if(param == 'NEWEST'){
this.setState({
newList:data.result,
});
}else if(param == 'HOTEST'){
this.setState({
hotList:data.result,
});
}
}
});
};
/*加载更多*/
addList(type){
if(this.state.allLoad){
return;
}
let length = 0;
if(type == 'IS_FORUM_TOP'){
length = this.state.homeList ? this.state.homeList.length : this.props.homeList.length
}else if(type == 'NEWEST'){
length = this.state.newList ? this.state.newList.length : this.props.homeList.length
}else if(type == 'HOTEST'){
length = this.state.hotList ? this.state.hotList.length : this.props.homeList.length
}
if(length % 10 == 0 && !this.state.loadMore){
this.setState({
loadMore:true
});
AppService.findPostList({sortColumn:type,pageSize:10,pageNumber:length/10+1}).then(data=>{
this.setState({
loadMore:false
});
if(data.message){
xnToast(data.message);
return;
}
if(data.errors.length > 0) {
xnToast(data.errors[0].message);
}else{
if(data.result.length == 0) {
this.setState({
allLoad:true,
});
}
if(type == 'IS_FORUM_TOP'){
this.setState({
homeList:this.state.homeList.concat(data.result),
});
}else if(type == 'NEWEST'){
this.setState({
newList:this.state.newList.concat(data.result),
});
}else if(type == 'HOTEST'){
this.setState({
hotList:this.state.hotList.concat(data.result),
});
}
}
});
}
}
/* 渲染列表*/
keyExtractor = (item,index) => index;
/*首页列表*/
renderItem = ({item,index}) => (
<TouchableOpacity style={styles.listItem} onPress={() => this.toDetail(item.id)}>
{this.props.hotList && <View style={styles.itemTop}>
{index == 0 && <Image source={top1} style={styles.topNumIcon} resizeMode="contain" />}
{index == 1 && <Image source={top2} style={styles.topNumIcon} resizeMode="contain" />}
{index == 2 && <Image source={top3} style={styles.topNumIcon} resizeMode="contain" />}
<Text numberOfLines={1} style={[styles.itemTitle,{width:index == 0 || index == 1 || index == 2 ? (295/zoomW):(345/zoomW)}]}>{item.title}</Text>
</View>}
{!this.props.hotList && <View style={styles.itemTop}>
{item.isForumTop && this.props.homeList && <Image source={isTop} style={styles.isTopIcon} resizeMode="contain" />}
<Text numberOfLines={1} style={[styles.itemTitle,{width:item.isForumTop && this.props.homeList ? (305/zoomW):(345/zoomW)}]}>{item.title}</Text>
</View>}
<View style={styles.itemContent}>
{item.imgeAttachmentCount == 1 && item.vedioAttachmentCount == 0 && <Image source={{uri:item.attachmentList[0].filePath}} style={styles.coverImg} resizeMode="contain" />}
{item.imgeAttachmentCount > 1 && item.vedioAttachmentCount == 0 && item.attachmentList.map((item,index) => this.renderImg(item,index))}
{item.contentText && !item.attachmentList && <Text numberOfLines={2} style={styles.contentText}>{item.contentText}</Text>}
</View>
<View style={styles.itemBottom}>
<Text style={{fontSize:14,color:'#999'}}>{numChange(item.postCount)}回复</Text>
<View style={{display:'flex',flexDirection:'row',alignItems:'center'}}>
<Image source={{uri:item.threadUserAvatarUrl}} style={styles.avatar} resizeMode="cover" />
{this.props.homeList && <Text style={{fontSize:14,color:'#999'}}>{item.threadUserName}·{item.boardName}</Text>}
{!this.props.homeList && <Text style={{fontSize:14,color:'#999'}}>{item.threadUserName}·{timeChange(Number(item.threadTime))}</Text>}
</View>
</View>
</TouchableOpacity>
);
/*渲染图片*/
renderImg(item,index){
return (
<View key={index}>
{index == 0 && <Image source={{uri:item.filePath}} style={styles.moreImg} resizeMode="cover" />}
{index == 1 && <Image source={{uri:item.filePath}} style={[styles.moreImg,{marginLeft:(6/zoomW),marginRight:(6/zoomW)}]} resizeMode="cover" />}
{index == 2 && <Image source={{uri:item.filePath}} style={styles.moreImg} resizeMode="cover" />}
</View>
)
};
/*最新列表*/
renderNewItem = ({item,index}) => (
<TouchableOpacity style={styles.listItem} onPress={() => this.toDetail(item.id)}>
<View style={styles.itemTop}>
<Text numberOfLines={1} style={styles.itemTitle}>{item.title}</Text>
</View>
<View style={styles.itemContent}>
<Image source={video} style={[styles.moreImg,{marginRight:(5/zoomW)}]} resizeMode="cover" />
<Image source={video} style={[styles.moreImg,{marginRight:(5/zoomW)}]} resizeMode="cover" />
<Image source={video} style={styles.moreImg} resizeMode="cover" />
</View>
<View style={styles.itemBottom}>
<Text style={{fontSize:14,color:'#999'}}>{numChange(item.postCount)}回复</Text>
<View style={{display:'flex',flexDirection:'row',alignItems:'center'}}>
<Image source={{uri:item.threadUserAvatarUrl}} style={styles.avatar} resizeMode="cover" />
<Text style={{fontSize:14,color:'#999'}}>{item.threadUserName}·{timeChange(Number(item.threadTime))}</Text>
</View>
</View>
</TouchableOpacity>
);
/*最热列表*/
renderHotItem = ({item,index}) => (
<TouchableOpacity style={styles.listItem} onPress={() => this.toDetail(item.id)}>
<View style={styles.itemTop}>
{index == 0 && <Image source={top1} style={styles.topNumIcon} resizeMode="contain" />}
{index == 1 && <Image source={top2} style={styles.topNumIcon} resizeMode="contain" />}
{index == 2 && <Image source={top3} style={styles.topNumIcon} resizeMode="contain" />}
<Text numberOfLines={1} style={[styles.itemTitle,{width:index == 0 || index == 1 || index == 2 ? (295/zoomW):(345/zoomW)}]}>{item.title}</Text>
</View>
<View style={styles.itemContent}>
{item.cover && <Image source={cover} style={styles.coverImg} resizeMode="contain" />}
{item.video && !item.cover && <Image source={video} style={styles.coverImg} resizeMode="contain" />}
{item.content && !item.cover && !item.video && <Text numberOfLines={2} style={styles.contentText}>{item.content}</Text>}
</View>
<View style={styles.itemBottom}>
<Text style={{fontSize:14,color:'#999'}}>{numChange(item.postCount)}回复</Text>
<View style={{display:'flex',flexDirection:'row',alignItems:'center'}}>
<Image source={{uri:item.threadUserAvatarUrl}} style={styles.avatar} resizeMode="cover" />
<Text style={{fontSize:14,color:'#999'}}>{item.threadUserName}·{timeChange(Number(item.threadTime))}</Text>
</View>
</View>
</TouchableOpacity>
);
/*跳转到详情*/
toDetail(id){
AppService.updateView({id:id}).then((data) => {
if(!data.message && data.errors.length == 0){
this.props.navigation.navigate('Detail',{id:id})
}
})
};
render() {
return (
<View style={styles.background}>
{this.props.homeList && <FlatList onEndReachedThreshold={0.1} onEndReached={() => this.addList('IS_FORUM_TOP')} onRefresh={() => {this.getList('IS_FORUM_TOP')}} refreshing={false} keyExtractor={this.keyExtractor} data={this.state.homeList.length == 0 ? this.props.homeList:this.state.homeList} renderItem={this.renderItem} />}
{this.props.newList && <FlatList onEndReachedThreshold={0.1} onEndReached={() => this.addList('NEWEST')} onRefresh={() => {this.getList('NEWEST')}} refreshing={false} keyExtractor={this.keyExtractor} data={this.state.newList.length == 0 ? this.props.newList:this.state.newList} renderItem={this.renderItem} />}
{this.props.hotList && <FlatList onEndReachedThreshold={0.1} onEndReached={() => this.addList('HOTEST')} onRefresh={() => {this.getList('HOTEST')}} refreshing={false} keyExtractor={this.keyExtractor} data={this.state.hotList.length == 0 ? this.props.hotList:this.state.hotList} renderItem={this.renderItem} />}
{this.state.loadMore && <ActivityIndicator />}
</View>
);
}
}
const styles = StyleSheet.create({
background:{
width:'100%',
height:'100%',
backgroundColor:'#f2f2f2'
},
listItem:{
minHeight:(110/zoomH),
maxHeight:(318/zoomH),
backgroundColor:'#fff',
marginBottom:(8/zoomH),
padding:(15/zoomH),
},
itemTop:{
width:(345/zoomW),
display:'flex',
flexDirection:'row',
alignItems:'center'
},
itemTitle:{
color:'#000',
fontSize:16,
fontWeight:'600'
},
isTopIcon:{
width:(40/zoomW),
},
topNumIcon:{
width:(40/zoomW),
marginRight:10,
marginTop:(2/zoomH)
},
coverImg:{
width:(345/zoomW),
height:(193/zoomH)
},
moreImg:{
width:(112/zoomW),
height:(112/zoomW)
},
itemContent:{
display:'flex',
flexDirection:'row',
marginTop:(15/zoomH),
marginBottom:(15/zoomH)
},
contentText:{
fontSize:14,
color:'#666'
},
itemBottom:{
display:'flex',
flexDirection:'row',
justifyContent:'space-between'
},
avatar:{
width:(20/zoomW),
height:(20/zoomW),
borderRadius:(10/zoomW),
marginRight:(6/zoomW)
}
});