In the HeatMap, the cell selection is used to select the single or multiple heat map cells at runtime and get the selected cell details using the cellSelected client-side event. You can enable this cell selection using the allowSelection property.
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip, Adaptor } from '@syncfusion/ej2-react-heatmap';
class App extends React.Component {
private heatmapData: any [] = [
[73, 39, 26, 39, 94, 0],
[93, 58, 53, 38, 26, 68],
[99, 28, 22, 4, 66, 90],
[14, 26, 97, 69, 69, 3],
[7, 46, 47, 47, 88, 6],
[41, 55, 73, 23, 3, 79],
[56, 69, 21, 86, 3, 33],
[45, 7, 53, 81, 95, 79],
[60, 77, 74, 68, 88, 51],
[25, 25, 10, 12, 78, 14],
[25, 56, 55, 58, 12, 82],
[74, 33, 88, 23, 86, 59]
];
render() {
return ( <HeatMapComponent id='heatmap'
titleSettings = { {
text: 'Sales Revenue per Employee (in 1000 US$)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
} }
xAxis = { {
labels: ['Nancy', 'Andrew', 'Janet', 'Margaret', 'Steven',
'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin', 'Mario'],
} }
yAxis = { {
labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat'],
} }
allowSelection={ true }
dataSource={this.heatmapData}>
<Inject services={[Legend,Tooltip]} />
</HeatMapComponent> );
}
}
ReactDOM.render(<App />, document.getElementById('heatmap'));import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
class App extends React.Component {
constructor() {
super(...arguments);
this.heatmapData = [
[73, 39, 26, 39, 94, 0],
[93, 58, 53, 38, 26, 68],
[99, 28, 22, 4, 66, 90],
[14, 26, 97, 69, 69, 3],
[7, 46, 47, 47, 88, 6],
[41, 55, 73, 23, 3, 79],
[56, 69, 21, 86, 3, 33],
[45, 7, 53, 81, 95, 79],
[60, 77, 74, 68, 88, 51],
[25, 25, 10, 12, 78, 14],
[25, 56, 55, 58, 12, 82],
[74, 33, 88, 23, 86, 59]
];
}
render() {
return (<HeatMapComponent id='heatmap' titleSettings={{
text: 'Sales Revenue per Employee (in 1000 US$)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}} xAxis={{
labels: ['Nancy', 'Andrew', 'Janet', 'Margaret', 'Steven',
'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin', 'Mario'],
}} yAxis={{
labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat'],
}} allowSelection={true} dataSource={this.heatmapData}>
<Inject services={[Legend, Tooltip]}/>
</HeatMapComponent>);
}
}
ReactDOM.render(<App />, document.getElementById('heatmap'));