plateName.js
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/**
* Created by Cassie on 2018/03/06
*/
import React, { Component } from 'react';
import {
StyleSheet,
View,
Text,
TouchableOpacity,
Image,
FlatList,
StatusBar,
ActivityIndicator
} from 'react-native';
import {zoomW,zoomH} from '../../utils/getSize';
import {xnBorderWidth,xnToast} from "../../utils/utils";
import AppService from "../../service/AppService";
const back = require('../../img/back_gray.png');
const close = require('../../img/close.png');
const cross = require('../../img/cross.png');
const plate = require('../../img/plate.png');
const arrow = require('../../img/arrow.png');
export default class PlateName extends Component {
static navigationOptions = ({ navigation, screenProps })=>({
title: '选择板块',
headerLeft:(<View style={{display:'flex',flexDirection:'row'}}>
<TouchableOpacity style={styles.leftIcon} onPress={navigation.state.params?navigation.state.params.back:null}>
<Image source={back} style={styles.backIcon} resizeMode="contain" />
</TouchableOpacity>
<TouchableOpacity activeOpacity={1} style={styles.leftIcon} onPress={()=>{}}>
<Image style={styles.closeIcon} resizeMode="contain" />
</TouchableOpacity>
</View>),
headerRight:(<View/>)
});
constructor(props) {
super(props);
this.state = {
loading:true
};
};
componentWillMount(){
this.getList();
};
componentDidMount(){
//设置头部
this.props.navigation.setParams({
back:()=>{
this.props.navigation.goBack();
},
});
};
/*获取板块列表*/
getList(){
this.setState({
loading:true
});
AppService.findBoardList({forumId:global.forumId}).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({
list:data.result
});
}
})
};
/* 渲染列表*/
keyExtractor = (item,index) => index;
/*首页列表*/
renderItem = ({item,index}) => (
<TouchableOpacity style={styles.plateItem} onPress={() => this.selectPlate(item.id,item.name)}>
<View style={styles.plateName}>
<Text style={{fontSize:16,color:'#333'}}>{item.name}</Text>
</View>
</TouchableOpacity>
);
/*选择后返回*/
selectPlate(id,name){
const {params} = this.props.navigation.state;
global.threadId = id;
global.threadName = name;
if(params.selectPlate){
params.selectPlate(id,name);
}
this.props.navigation.goBack();
};
render(){
return (
<View style={styles.background}>
<StatusBar barStyle="default" />
{this.state.list && <FlatList keyExtractor={this.keyExtractor} data={this.state.list} renderItem={this.renderItem} numColumns={2} />}
{this.state.loading && <View style={styles.loadingBg}>
<ActivityIndicator size="large" />
</View>}
</View>
);
}
}
const styles = StyleSheet.create({
leftIcon:{
width:(50/zoomW),
height:'100%',
display:'flex',
flexDirection:'row',
alignItems:'center'
},
backIcon:{
width:(16/zoomW),
height:(16/zoomH),
marginLeft:(10/zoomW)
},
closeIcon:{
width:(16/zoomW),
height:(16/zoomH)
},
background:{
flex:1,
backgroundColor:'#f2f2f2',
paddingLeft:(10/zoomW),
paddingRight:(10/zoomW),
flexDirection:'row',
flexWrap:'wrap',
paddingTop:(10/zoomW)
},
plateItem:{
width:'50%',
display:'flex',
justifyContent:'center',
alignItems:'center',
marginTop:(5/zoomH),
marginBottom:(5/zoomH)
},
plateName:{
width:(170/zoomW),
height:(40/zoomH),
borderWidth:xnBorderWidth(),
borderColor:'#ddd',
borderStyle:'solid',
display:'flex',
justifyContent:'center',
alignItems:'center',
borderRadius:(4/zoomW),
backgroundColor:'#fff'
},
rightItem:{
height:'100%',
borderLeftWidth:xnBorderWidth(),
borderLeftColor:'#eee',
borderStyle:'solid',
display:'flex',
justifyContent:'center',
paddingLeft:(10/zoomW)
},
loadingBg:{
width:'100%',
height:'100%',
position:'absolute',
display:'flex',
alignItems:'center',
justifyContent:'center'
}
});