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react-native-highcharts.js
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react-native-highcharts.js
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import React, { Component, PropTypes, } from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
WebView,
Image,
Dimensions
} from 'react-native';
const win = Dimensions.get('window');
class ChartWeb extends Component {
constructor(props){
super(props);
this.state={
init:`<html>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
<style media="screen" type="text/css">
#container {
width:100%;
height:100%;
top:0;
left:0;
right:0;
bottom:0;
position:absolute;
user-select: none;
-webkit-user-select: none;
}
</style>
<head>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
${this.props.stock ? '<script src="https://code.highcharts.com/stock/highstock.js"></script>'
: '<script src="https://code.highcharts.com/highcharts.js"></script>'}
${this.props.more ? '<script src="https://code.highcharts.com/highcharts-more.js"></script>'
: ''}
${this.props.guage ? '<script src="https://code.highcharts.com/modules/solid-gauge.js"></script>'
: ''}
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script>
$(function () {
Highcharts.setOptions(${JSON.stringify(this.props.options)});
Highcharts.${this.props.stock ? 'stockChart' : 'chart'}('container', `,
end:` );
});
</script>
</head>
<body>
<div id="container">
</div>
</body>
</html>`,
Wlayout:{
height:win.height,
width:win.width
}
}
}
// used to resize on orientation of display
reRenderWebView(e) {
this.setState({
height: e.nativeEvent.layout.height,
width: e.nativeEvent.layout.width,
})
}
render() {
let config = JSON.stringify(this.props.config, function (key, value) {//create string of json but if it detects function it uses toString()
return (typeof value === 'function') ? value.toString() : value;
});
config = JSON.parse(config)
let concatHTML = `${this.state.init}${flattenObject(config)}${this.state.end}`;
return (
<View style={this.props.style}>
<WebView
onLayout={this.reRenderWebView}
style={styles.full}
source={{ html: concatHTML, baseUrl: 'web/' }}
javaScriptEnabled={true}
domStorageEnabled={true}
scalesPageToFit={true}
scrollEnabled={false}
automaticallyAdjustContentInsets={true}
{...this.props}
/>
</View>
);
};
};
var flattenObject = function (obj, str='{') {
Object.keys(obj).forEach(function(key) {
str += `${key}: ${flattenText(obj[key])}, `
})
return `${str.slice(0, str.length - 2)}}`
};
var flattenText = function(item,key) {
if(key=="y") console.log(item, typeof item);
var str = ''
if (item && typeof item === 'object' && item.length == undefined) {
str += flattenObject(item)
} else if (item && typeof item === 'object' && item.length !== undefined) {
str += '['
item.forEach(function(k2) {
str += `${flattenText(k2)}, `
})
if(item.length>0) str = str.slice(0, str.length - 2)
str += ']'
} else if(typeof item === 'string' && item.slice(0, 8) === 'function') {
str += `${item}`
} else if(typeof item === 'string') {
str += `\"${item.replace(/"/g, '\\"')}\"`
} else {
str += `${item}`
}
return str
};
var styles = StyleSheet.create({
full: {
flex:1,
backgroundColor:'transparent'
}
});
module.exports = ChartWeb;