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feat: download chart

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This commit is contained in:
Joshua Shoemaker 2020-08-07 09:07:18 -05:00
parent 1242ed2a6c
commit 58a0027a70
3 changed files with 19 additions and 300 deletions
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301
package-lock.json generated
View File

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1
package.json
View File

@ -7,6 +7,7 @@
"@testing-library/react": "^9.5.0",
"@testing-library/user-event": "^7.2.1",
"chart.js": "^2.9.3",
"downloadjs": "^1.4.7",
"js2excel": "^1.0.1",
"lovelacejs": "^0.2.1",
"react": "^16.13.1",

17
src/views/Chart/ChartViewer.js
View File

@ -1,11 +1,14 @@
import React, { Component } from 'react'
import FocusChart from '../../Models/Chart/FocusChart'
import { Doughnut } from 'react-chartjs-2'
import { Button } from 'semantic-ui-react'
import download from 'downloadjs'
class ChartViewer extends Component {
constructor () {
super ()
this.focusChart = new FocusChart()
this.chart = React.createRef()
this.state = {
chart: null,
groupByValue: ''
@ -18,12 +21,18 @@ class ChartViewer extends Component {
this.setState({ groupByValue: value.value })
}
saveChart = () => {
console.log(this.chart.current)
const base64OfChart = this.chart.current.chartInstance.toBase64Image()
download(base64OfChart, this.focusChart.chart.label, 'image/png')
}
setFocusChart = () => {
const focusChart = this.focusChart.chart
console.log(focusChart)
if (focusChart) {
this.setState({
chart: focusChart,
// headers: this.renderGroupByOptions()
chart: focusChart
})
}
}
@ -31,15 +40,15 @@ class ChartViewer extends Component {
renderChart = () => {
const { chart } = this.state
if (!chart) return
// console.log(chart)
return <Doughnut data={chart[chart.type]} width={600} height={600} />
return <Doughnut data={chart[chart.type]} width={600} height={600} ref={this.chart} />
}
render = () => {
return (
<div className='ChartViewer'>
{this.renderChart()}
<Button onClick={this.saveChart}>Save As Image</Button>
</div>
)
}