Tooltip is used to provide the details of the heatmap cell, and this can be displayed, while hovering the cursor over the cell or performing tap action in touch devices.
You can enable the tooltip by setting the showTooltip property to true and injecting the Tooltip
module into the services
.
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.30, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.30, 3.39, 3.40, 3.48, 3.60, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.80, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.00, 5.35, 5.47],
[6.91, 7.40, 8.13, 8.80, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
return (<HeatMapComponent titleSettings={{
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}} xAxis={{
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
}} yAxis={{
labels: ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008', '2009', '2010'],
}} cellSettings={{
showLabel: false,
}} showTooltip={true} dataSource={heatmapData}>
<Inject services={[Legend, Tooltip]}/>
</HeatMapComponent>);
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.30, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.30, 3.39, 3.40, 3.48, 3.60, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.80, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.00, 5.35, 5.47],
[6.91, 7.40, 8.13, 8.80, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
return ( <HeatMapComponent
titleSettings = { {
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
} }
xAxis = { {
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
} }
yAxis = { {
labels: ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008', '2009', '2010'],
} }
cellSettings = { {
showLabel: false,
} }
showTooltip = { true }
dataSource={heatmapData}>
<Inject services={[Legend, Tooltip]} />
</HeatMapComponent> );
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
In heatmap, you can customize the tooltip using the tooltipRender client side event.
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.3, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.3, 3.39, 3.4, 3.48, 3.6, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.8, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.0, 5.35, 5.47],
[6.91, 7.4, 8.13, 8.8, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
function tooltipTemplate(args) {
args.content = [
'In ' +
args.yLabel +
', the ' +
args.xLabel +
' produced ' +
args.value +
' million barrels per day'
];
}
return (<HeatMapComponent id="heatmap" titleSettings={{
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}} xAxis={{
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
}} yAxis={{
labels: [
'2000',
'2001',
'2002',
'2003',
'2004',
'2005',
'2006',
'2007',
'2008',
'2009',
'2010'
]
}} cellSettings={{
showLabel: false
}} showTooltip={true} tooltipRender={tooltipTemplate} dataSource={heatmapData}>
<Inject services={[Legend, Tooltip]}/>
</HeatMapComponent>);
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.3, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.3, 3.39, 3.4, 3.48, 3.6, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.8, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.0, 5.35, 5.47],
[6.91, 7.4, 8.13, 8.8, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
function tooltipTemplate(args: ITooltipEventArgs): void {
args.content = [
'In ' +
args.yLabel +
', the ' +
args.xLabel +
' produced ' +
args.value +
' million barrels per day'
];
}
return (
<HeatMapComponent
id="heatmap"
titleSettings={{
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}}
xAxis={{
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
}}
yAxis={{
labels: [
'2000',
'2001',
'2002',
'2003',
'2004',
'2005',
'2006',
'2007',
'2008',
'2009',
'2010'
]
}}
cellSettings={{
showLabel: false
}}
showTooltip={true}
tooltipRender={tooltipTemplate as any}
dataSource={heatmapData}
>
<Inject services={[Legend, Tooltip]} />
</HeatMapComponent>
);
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
The fill and border properties are used to customize the background color and border of the Tooltip respectively. The textStyle property in the Tooltip is used to customize the font of the tooltip text.
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.3, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.3, 3.39, 3.4, 3.48, 3.6, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.8, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.0, 5.35, 5.47],
[6.91, 7.4, 8.13, 8.8, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
function tooltipTemplate(args) {
args.content = [
'In ' +
args.yLabel +
', the ' +
args.xLabel +
' produced ' +
args.value +
' million barrels per day'
];
}
return (<HeatMapComponent id="heatmap" titleSettings={{
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}} xAxis={{
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
}} yAxis={{
labels: [
'2000',
'2001',
'2002',
'2003',
'2004',
'2005',
'2006',
'2007',
'2008',
'2009',
'2010'
]
}} paletteSettings={{
palette: [{ color: '#F0ADCE' }, { color: '#19307B' }]
}} cellSettings={{
showLabel: false
}} tooltipSettings={{
fill: '#696295',
textStyle: {
color: '#FFFFFF',
size: '12px'
},
border: {
width: 2,
color: '#F0C27B'
}
}} showTooltip={true} tooltipRender={tooltipTemplate} dataSource={heatmapData}>
<Inject services={[Legend, Tooltip]}/>
</HeatMapComponent>);
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
import * as React from "react";
import * as ReactDOM from 'react-dom';
import { HeatMapComponent, Inject, Legend, Tooltip } from '@syncfusion/ej2-react-heatmap';
export function App() {
let heatmapData = [
[0.72, 0.71, 0.71, 0.67, 0.72, 0.53, 0.53, 0.56, 0.58, 0.56],
[2.28, 2.29, 2.09, 1.84, 1.64, 1.49, 1.49, 1.39, 1.32, 1.23],
[2.02, 2.17, 2.3, 2.39, 2.36, 2.52, 2.62, 2.57, 2.57, 2.74],
[3.21, 3.26, 3.45, 3.47, 3.42, 3.34, 3.14, 2.83, 2.64, 2.61],
[3.22, 3.13, 3.04, 2.95, 2.69, 2.49, 2.27, 2.18, 2.06, 1.87],
[3.3, 3.39, 3.4, 3.48, 3.6, 3.67, 3.73, 3.79, 3.79, 4.07],
[5.8, 5.74, 5.64, 5.44, 5.18, 5.08, 5.07, 5.0, 5.35, 5.47],
[6.91, 7.4, 8.13, 8.8, 9.04, 9.24, 9.43, 9.35, 9.49, 9.69]
];
function tooltipTemplate(args: ITooltipEventArgs): void {
args.content = [
'In ' +
args.yLabel +
', the ' +
args.xLabel +
' produced ' +
args.value +
' million barrels per day'
];
}
return (
<HeatMapComponent
id="heatmap"
titleSettings={{
text: 'Crude Oil Production of Non-OPEC Countries (in Million barrels per day)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
}}
xAxis={{
labels: ['Canada', 'China', 'Egypt', 'Mexico', 'Norway', 'Russia', 'UK', 'USA']
}}
yAxis={{
labels: [
'2000',
'2001',
'2002',
'2003',
'2004',
'2005',
'2006',
'2007',
'2008',
'2009',
'2010'
]
}}
paletteSettings={{
palette: [{ color: '#F0ADCE' }, { color: '#19307B' }]
}}
cellSettings={{
showLabel: false
}}
tooltipSettings={{
fill: '#696295',
textStyle: {
color: '#FFFFFF',
size: '12px'
},
border: {
width: 2,
color: '#F0C27B'
}
}}
showTooltip={true}
tooltipRender={tooltipTemplate as any}
dataSource={heatmapData}
>
<Inject services={[Legend, Tooltip]} />
</HeatMapComponent>
);
}
const root = ReactDOM.createRoot(document.getElementById('container'));
root.render(<App />);
Note: To use tooltip feature, we need to inject Tooltip
module into the services
.