React UI Components
Show Demo List
import React from 'react';import ReactDOM from 'react-dom';import JqxChart from '../../../jqwidgets-react/react_jqxchart.js';class App extends React.Component {
componentDidMount() {
this.refs.myChart.on('click mouseover mouseout toggle rangeSelectionChanging rangeSelectionChanged refreshBegin refreshEnd', (event) => {
if (event.args) {
this.dumpEventInfo(event);
}
});
}
dumpEventInfo(event) {
let args = event.args;
if (event.type.indexOf('refresh') != -1) {
if (this.refs.myChart.getInstance() != args.instance)
return;
}
let date = new Date();
let line = 'Time: ' + (date.getHours() + ':' + date.getMinutes() + ':' + date.getSeconds()) + ', event: ' + event.type;
if (args.elementIndex)
line += ', element index: ' + args.elementIndex;
if (args.elementValue) {
line += ', value: ' + args.elementValue;
}
if (event.type == 'toggle') {
line += ', series group index: ' + this.refs.myChart.seriesGroups().indexOf(args.seriesGroup);
line += ', visible: ' + args.state;
}
if (event.type.indexOf('rangeSelection') != -1) {
line += ', minValue: ' + args.minValue.getFullYear() + '-' + (args.minValue.getMonth() + 1) + '-' + args.minValue.getDate();
line += ', maxValue: ' + args.maxValue.getFullYear() + '-' + (args.maxValue.getMonth() + 1) + '-' + args.maxValue.getDate();
}
let textArea = document.getElementById('eventsTextArea')
textArea.innerHTML = line + '<br />' + textArea.innerHTML ;
}
render() {
let source =
{
datatype: 'tsv',
datafields: [
{ name: 'Date' },
{ name: 'SPOpen' },
{ name: 'SPHigh' },
{ name: 'SPLow' },
{ name: 'SPClose' },
{ name: 'SPVolume' },
{ name: 'SPAdjClose' }
],
url: '../sampledata/nasdaq_vs_sp500_detailed.txt'
};
let dataAdapter = new $.jqx.dataAdapter(source, { async: false, autoBind: true, loadError: (xhr, status, error) => { alert('Error loading "' + source.url + '" : ' + error); } });
let months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
let toolTipCustomFormatFn = (value, itemIndex, serie, group, categoryValue, categoryAxis) => {
let dataItem = dataAdapter.records[itemIndex];
let volume = dataItem.SPVolume;
return '<DIV style="text-align:left"><b>Date: ' +
categoryValue.getDate() + '-' + months[categoryValue.getMonth()] + '-' + categoryValue.getFullYear() +
'</b><br />Index value: ' + value +
'</b><br />Daily volume: ' + volume +
'</DIV>';
};
let padding = { left: 20, top: 5, right: 20, bottom: 5 };
let xAxis =
{
dataField: 'Date',
type: 'date',
valuesOnTicks: true,
minValue: new Date(2014, 1, 1),
maxValue: new Date(2014, 10, 1),
labels:
{
formatFunction: (value) => {
return value.getDate() + '-' + months[value.getMonth()] + '<br>' + value.getFullYear().toString();
}
},
gridLines: { visible: false },
rangeSelector: {
size: 100,
padding: { top: 10, bottom: 0 },
backgroundColor: 'white',
dataField: 'SPClose',
baseUnit: 'month',
showGridLines: false,
formatFunction: (value) => {
return months[value.getMonth()] + '\'' + value.getFullYear().toString().substring(2);
}
}
};
let seriesGroups =
[
{
type: 'line',
linesUnselectMode: 'click',
toolTipFormatFunction: toolTipCustomFormatFn,
valueAxis:
{
title: { text: 'S&P 500<br>' },
gridLines: { visible: false },
},
series: [
{
dataField: 'SPClose',
displayText: 'S&P Index Value',
lineWidth: 1
}
]
},
{
type: 'area',
toolTipFormatFunction: toolTipCustomFormatFn,
linesUnselectMode: 'click',
valueAxis:
{
position: 'right',
title: { text: '<br>Daily Volume' },
gridLines: { visible: false },
labels:
{
formatFunction: (value) => {
return value / 1000000 + 'M';
}
}
},
series: [
{
dataField: 'SPVolume',
displayText: 'S&P Index Volume',
lineWidth: 1,
opacity: 0.2
}
]
}
];
return (
<div>
<JqxChart ref='myChart' style={{ width: 850, height: 500 }}
title={'S&P 500 Index value and daily volume'} description={'(June 2010 - November 2014)'}
enableCrosshairs={true} enableAnimations={true} padding={padding}
source={dataAdapter} xAxis={xAxis} animationDuration={1500}
colorScheme={'scheme17'} seriesGroups={seriesGroups}
/>
<div id='eventsTextArea' style={{ width: 847, height: 200, overflow: 'scroll', border: '1px solid lightgrey' }} />
</div>
)
}
}
ReactDOM.render(<App />, document.getElementById('app'));