Header.js
4.31 KB
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'use strict';
import React from 'react';
import ReactNative from 'react-native';
import Immutable, {Map} from 'immutable';
const {
AppRegistry,
StyleSheet,
Text,
View,
Image,
ListView,
Dimensions,
TouchableOpacity,
} = ReactNative;
export default class Header extends React.Component {
constructor(props) {
super(props);
this.getStrSize = this.getStrSize.bind(this);
}
shouldComponentUpdate(nextProps){
if (Immutable.is(nextProps.resource, this.props.resource)) {
return false;
} else {
return true;
}
}
getStrSize(str) {
let realLength = 0, len = str.length, charCode = -1;
for (let i = 0; i < len; i++) {
charCode = str.charCodeAt(i);
if (charCode >= 0 && charCode <= 128) realLength += 1;
else realLength += 2;
}
return realLength;
}
render() {
let {resource} = this.props;
let {author,article} = resource;
let author_data = author.get('data');
let article_data = article.get('data');
let hasData = true;
if (!author_data || !article_data) {
hasData = false;
}
let author_desc = hasData?author_data.get('author_desc'):'';
let author_avatar = hasData?author_data.get('avatar'):'';
let author_name = hasData?author_data.get('name'):'';
let author_url = hasData?author_data.get('url'):'';
let num = this.getStrSize(author_desc);
let article_title = hasData?article_data.get('article_title'):'';
let pageViews = hasData?article_data.get('pageViews'):'99999';
let publishTime = hasData?article_data.get('publishTime'):'12月12日 12:00';
let author_id = hasData?article_data.get('author_id'):'';
let id = hasData?article_data.get('id'):'';
return(
<View style={styles.contentContainer}>
<TouchableOpacity activeOpacity={0.5} onPress={() => {
this.props.onPressAuthor && this.props.onPressAuthor(author_url, author_id, id);
}}>
<View style={styles.header}>
<Image source={{uri: author_avatar}} style={styles.thumb}></Image>
<View style={styles.headerTitle}>
<Text style={styles.name}>{author_name}</Text>
<Text style={styles.desc} numberOfLines={1}>{author_desc}</Text>
</View>
</View>
</TouchableOpacity>
<View style={{width: width,height: 0.5,backgroundColor: '#e5e5e5',}}/>
<Text style={styles.article_title}>{article_title}</Text>
<View style={styles.time}>
<Image source={require('../../image/time_icon.png')} style={styles.timeThumb}resizeMode={'contain'}></Image>
<Text style={styles.text}>{publishTime}</Text>
<Image source={require('../../image/shared_view_icon.png')} style={styles.timeThumb}resizeMode={'contain'}></Image>
<Text style={styles.text}>{pageViews}</Text>
</View>
<View style={{width: width,height: 10}}/>
</View>
);
}
};
let {width, height} = Dimensions.get('window');
let headerHeight = Math.ceil(100 * width / 750);
let iconW = Math.ceil(60 * width / 750);
let styles = StyleSheet.create({
contentContainer: {
width:width,
backgroundColor: 'white',
},
header: {
flexDirection: 'row',
height: headerHeight,
width:width,
alignItems: 'center',
},
thumb: {
width: iconW,
height: iconW,
marginLeft: 20,
borderRadius: iconW/2,
},
headerTitle: {
width: width - iconW - 20 - 10 - 100,
height: headerHeight,
marginLeft: 10,
justifyContent: 'center',
},
name: {
fontSize: 16,
fontWeight: 'bold',
},
desc: {
marginTop: 5,
fontSize: 12,
color: '#e5e5e5',
},
article_title: {
marginLeft: 20,
marginRight: 10,
fontSize: 23,
fontWeight: 'bold',
lineHeight: 35,
},
time: {
flexDirection: 'row',
height: 20,
width:width,
alignItems: 'center',
marginTop: 5,
},
timeThumb: {
marginLeft: 20,
height: 12,
width:20,
},
text: {
marginLeft: 5,
fontSize: 12,
color: 'gray'
},
});