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'use strict';
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import React, {Component} from 'react';
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import {
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WebView,
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StyleSheet,
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View,
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Text,
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} from 'react-native';
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export default class ChartView extends Component {
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constructor(props) {
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super(props)
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}
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render() {
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let xString = this.props.xData.reduce((previous, current, index, array) => {
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if (index==1) {
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previous = `\'` + previous + `\'`;
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}
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return previous + ','+ `\'` + current+ `\'`;
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});
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// xString = '\'' + xString;
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console.log(xString);
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const HTML = getHTMLString(xString,this.props.yData.toString());
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console.log(this.props.yData);
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return(
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<View style={styles.container}>
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<Text style={styles.titleStyle}>{this.props.chartTitle}</Text>
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<WebView
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style={styles.chartStyle}
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bounces={false}
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automaticallyAdjustContentInsets={true}
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source={{html:HTML}}
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scalesPageToFit={true}
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startInLoadingState={false}
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javaScriptEnabled={true}
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/>
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</View>
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);
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}
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}
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const styles = StyleSheet.create({
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container: {
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backgroundColor: 'white',
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},
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titleStyle: {
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fontSize: 14,
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color: '#b1b1b1',
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marginTop: 20,
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marginLeft: 15,
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},
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chartStyle: {
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height: 175,
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marginLeft: -45,
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marginRight: -45,
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marginBottom: 15,
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},
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});
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function getHTMLString(xData,yData) {
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const HTML = `
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<!DOCTYPE html>
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<html style="height: 100%">
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<head>
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<meta charset="utf-8">
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</head>
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<body style="height: 100%; margin: 0">
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<div id="container" style="height: 100%"></div>
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<script type="text/javascript" src="http://cdn.bootcss.com/echarts/3.0.0/echarts.min.js"></script>
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<script type="text/javascript">
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var dom = document.getElementById("container");
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var myChart = echarts.init(dom);
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var app = {};
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option = null;
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option = {
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title: {
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show: false,
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},
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xAxis: {
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type: 'category',
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boundaryGap: true,
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axisLine: {
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show: true,
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onZero: false,
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lineStyle: {
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width: 1,
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color: 'gray',
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},
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},
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axisTick: {
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show:false,
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},
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axisLabel: {
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textStyle: {
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color: '#b1b1b1',
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fontSize: 24,
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},
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},
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splitLine: {
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show: false,
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},
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data:[`+xData+`]
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},
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yAxis: {
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type: 'value',
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axisLine: {
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show: false,
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onZero: false,
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},
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axisTick: {
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show:false,
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},
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axisLabel: {
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show: false,
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},
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},
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tooltip: {
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show: true,
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showContent: true,
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trigger: 'axis',
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alwaysShowContent: 'true',
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position: function (point,params,dom) {
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return [point[0]/7*7-40,0];
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},
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backgroundColor: 'orange',
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formatter: '{c}',
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textStyle: {
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fontSize: 24,
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},
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axisPointer: {
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type: 'line',
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lineStyle: {
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opacity: 1,
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},
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},
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extraCssText: 'box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);',
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padding:[10,20],
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},
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series: [
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{
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type:'line',
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lineStyle: {
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normal: {
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color: 'orange',
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},
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},
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smooth: true,
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data:[` + yData + `],
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},
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]
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};
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if (option && typeof option === "object") {
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myChart.setOption(option, true);
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}
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</script>
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</body>
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</html>
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`;
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return HTML;
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} |
...
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...
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