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ArticleScreen.js
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ArticleScreen.js
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'use strict';
var React = require('react-native');
var {
Image,
StyleSheet,
Text,
View,
ScrollView,
Dimensions,
TouchableOpacity,
TouchableNativeFeedback,
TouchableHighlight,
ToastAndroid,
} = React;
var WebViewAndroid = require('react-native-webview-android');
var { Icon, } = require('react-native-icons');
var API_ARTICLE_URL = "http://123.57.6.75:8080/source/production/detail/";
var ArticleScreen = React.createClass({
getInitialState() {
return {
authorBar: true,
isLoading: false,
detail: {},
};
},
componentDidMount() {
this.fetchStories(this.props.data.id);
},
fetchStories(id) {
this.setState({
isLoading: true,
});
fetch(API_ARTICLE_URL+ id)
.then((response) => response.json())
.then((responseData) => {
if(responseData.status){
this.setState({
isLoading: false,
detail: responseData.data
});
}else{
console.error(responseData.msg);
}
})
.catch((error) => {
console.error(error);
})
.done();
},
onNavigationStateChange(event) {
console.log(event);
//todo 尴尬了，由于所使用的webview组件当跳转回第一页时，默认回去读url属性，而我们需要让其重新渲染html属性中的内容
//todo 但目前这么做，canGoBack属性将失效
if((event.url == "about:blank") || (event.canGoForward==true && event.loading== false && event.url=="file:///")){
this.state.detail.content = this.state.detail.content + " "; //为了让WebViewAndroid组件重新初始化渲染
this.setState({detail: this.state.detail});
}
},
_goBack() {
this.refs.webView.goBack();
},
_showComments(){
this.props.navigator.push({
title: this.props.data.title,
name: 'comments',
article: this.props.data,
});
},
_openAttachment(){
console.log("todo");
},
_share(){
console.log("todo");
},
render(){
let content = (
<Text>
正在加载...
</Text>
);
if (!this.state.isLoading) {
//补齐html结构
var html = '<!DOCTYPE html><html><body>' + this.state.detail.content
+ '</body></html>';
content = (
<WebViewAndroid
ref="webView"
javaScriptEnabled={true}
geolocationEnabled={false}
builtInZoomControls={false}
html={html}
onNavigationStateChange={this.onNavigationStateChange}
style={styles.containerWebView} />
);
}
return (
<View style={styles.viewContainer}>
<ToolBar data={this.props.data} navigator={this.props.navigator} />
{this.state.authorBar?
<View style={styles.authorBar}>
{this.props.data.creator.face?
<Image
source={{uri: this.props.data.creator.face}}
style={styles.cellImage}/>
:
<Image source={require('image!account_avatar')} style={styles.cellImage}/>
}
<Text style={styles.info}>{this.props.data.creator.name}</Text>
<View style={styles.closeBtn}>
<TouchableOpacity onPress={()=>this.setState({authorBar: false})}>
<Icon
name='ion|ios-close-outline'
size={20}
style={styles.closeIcon}
/>
</TouchableOpacity>
</View>
</View>
:null}
{content}
<StatusBar
back={this._goBack}
showComments={this._showComments}
showAttachment={this._openAttachment}
share={this._share} />
</View>
);
},
});
var ToolBar = React.createClass({
_onPressBackButton: function() {
if (this.props.navigator) {
this.props.navigator.pop();
}
},
render(){
return (
<View style={styles.toolBarContainer}>
<TouchableOpacity onPress={this._onPressBackButton}>
<View style={styles.actionItem}>
<Icon
name='ion|android-arrow-back'
size={20}
style={styles.backIcon}
/>
</View>
</TouchableOpacity>
<Text style={{color:"white"}}>{this.props.data.title}</Text>
</View>
);
}
});
var StatusBar = React.createClass({
render(){
return (
<View style={styles.statusContainer}>
<TouchableOpacity onPress={this.props.back}>
<View style={styles.actionItem}>
<Icon
name='ion|chevron-left'
size={20}
style={styles.actionIcon}
/>
</View>
</TouchableOpacity>
<TouchableOpacity onPress={this.props.showComments}>
<View style={styles.actionItem}>
<Icon
name='ion|chatbox-working'
size={20}
style={styles.actionIcon}
/>
</View>
</TouchableOpacity>
<TouchableOpacity onPress={this.props.showAttachment}>
<View style={styles.actionItem}>
<Icon
name='ion|ios-filing-outline'
size={20}
style={styles.actionIcon}
/>
</View>
</TouchableOpacity>
<TouchableOpacity onPress={this.props.share}>
<View style={styles.actionItem}>
<Icon
name='ion|ios-upload-outline'
size={20}
style={styles.actionIcon}
/>
</View>
</TouchableOpacity>
</View>
);
}
});
var styles = StyleSheet.create({
viewContainer: {
flex: 1
},
toolBarContainer: {
height: 56,
flexDirection: 'row',
alignItems: 'center',
backgroundColor: "#00a2ed"
},
authorBar: {
flexDirection: 'row',
justifyContent: 'flex-start',
alignItems: "center",
borderColor: '#dddddd',
borderStyle: null,
borderWidth: 0.5,
paddingLeft: 10,
height: 52
},
closeBtn: {
flex:1,
flexDirection: 'row',
justifyContent: 'flex-end',
paddingRight: 10
},
closeIcon: {
width: 32,
height: 32,
color: "#999",
},
cellImage: {
height: 50,
marginRight: 15,
width: 50,
borderRadius: 100,
},
info: {
justifyContent: 'flex-start',
},
containerWebView: {
flex: 1,
},
statusContainer: {
height: 56,
flexDirection: 'row',
justifyContent: "space-between",
alignItems: 'center',
backgroundColor: "#eee"
},
actionItem: {
height: 56,
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
paddingLeft: 8,
paddingRight: 8,
},
actionIcon: {
width: 32,
height: 32,
color: "#999",
},
backIcon: {
width: 32,
height: 32,
color: "white",
}
});
module.exports = ArticleScreen;