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echarts-for-react

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Readme

echarts-for-react

A very simple echarts(v3.0) wrapper for react.

1. install

npm install echarts-for-react

How to run the demo:

git clone git@github.com:hustcc/echarts-for-react.git

npm install

npm start

then open http://127.0.0.1:8080/ in your browser. or see http://git.hust.cc/echarts-for-react/

2. usage

Simple demo code. for more example can see: http://git.hust.cc/echarts-for-react/

import React from 'react';
import ReactEcharts from 'echarts-for-react';  // or var ReactEcharts = require('echarts-for-react');

<ReactEcharts
    option={this.getOption()} 
    notMerge={true}
    lazyUpdate={true}
    theme={"theme_name"}
    onChartReady={this.onChartReadyCallback}
    onEvents={EventsDict} />

3. component props

option (required, object)

the echarts option config, can see http://echarts.baidu.com/option.html#title.

notMerge (required, object)

when setOption, not merge the data, default is false. See http://echarts.baidu.com/api.html#echartsInstance.setOption.

lazyUpdate (required, object)

when setOption, lazy update the data, default is false. See http://echarts.baidu.com/api.html#echartsInstance.setOption.

style (optional, object)

the style of echarts div. object, default is {height: '300px'}.

className (optional, string)

the class of echarts div. you can setting the css style of charts by class name.

theme (optional, string)

the theme of echarts. string, should registerTheme before use it (theme object format: https://github.com/ecomfe/echarts/blob/master/theme/dark.js). e.g.

// import echarts
import echarts from 'echarts'; 
...
// register theme object
echarts.registerTheme('my_theme', {
  backgroundColor: '#f4cccc'
});
...
// render the echarts use option `theme`
<ReactEcharts 
    option={this.getOption()} 
    style={{height: '300px', width: '100%'}} 
    className='echarts-for-echarts' 
    theme='my_theme' />

onChartReady (optional, function)

when the chart is ready, will callback the function with the echarts object as it's paramter.

showLoading (optional, bool, default: false)

bool, when the chart is rendering, show the loading mask.

onEvents (optional, array(string=>function) )

binding the echarts event, will callback with the echarts event object, and the echart object as it's paramters. e.g:

let onEvents = {
    'click': this.onChartClick,
    'legendselectchanged': this.onChartLegendselectchanged
}
...
<ReactEcharts
    option={this.getOption()} 
    style={{height: '300px', width: '100%'}} 
    onEvents={onEvents} />

for more event key name, see: http://echarts.baidu.com/api.html#events

4. Component API & Echarts API

the Component only has one API named getEchartsInstance.

getEchartsInstance() : get the echarts instance object, then you can use any API of echarts.

for example:

// render the echarts component below with rel
<ReactEcharts ref='echarts_react'
    option={this.getOption()} />

// then get the `ReactEcharts` use this.refs.echarts_react

let echarts_instance = this.refs.echarts_react.getEchartsInstance();
// then you can use any API of echarts.
let base64 = echarts_instance.getDataURL();

About API of echarts, can see http://echarts.baidu.com/api.html#echartsInstance.

you can use the API to do:

binding / unbinding event.
dynamic charts with dynamic data.
get the echarts dom / dataURL / base64, save the chart to png.
release the charts.

5. LICENSE

MIT