Search results

Tooltip in React Bullet Chart component

19 Oct 2021 / 2 minutes to read

When the mouse is hovered over a bar in the Bullet Chart, the tooltip displays important summary about the actual and the target bar values.

Default Tooltip

The tooltip is not visible by default. To make it visible, set the enable property in the tooltip to true.

Source
Preview
index.tsx
index.jsx
Copied to clipboard
import { BulletChartComponent, Inject} from '@syncfusion/ej2-react-charts';
import { BulletRangeCollectionDirective, BulletRangeDirective} from '@syncfusion/ej2-react-charts';
import * as React from "react";
import * as ReactDOM from "react-dom";

class App extends React.Component<{}, {}>{
  render() {
    return (<BulletChartComponent id='ranges'
                        animation={{ enable: false }}
                        height="400"
                        valueField='value'
                        targetField='comparativeMeasureValue'
                        categoryField='category'
                        title='Profit in %'
                        minimum={0}
                        maximum={20}
                        interval={5}
                        tooltip={{enable: true}}
                        dataSource={[{value: 5, comparativeMeasureValue: 7.5, category: '2001'},
                        {value: 7, comparativeMeasureValue: 5, category: '2002'},
                        {value: 10, comparativeMeasureValue: 6, category: '2003'},
                        {value: 5, comparativeMeasureValue: 8, category: '2004'},
                        {value: 12, comparativeMeasureValue: 5, category: '2005'},
                        {value: 8, comparativeMeasureValue: 6, category: '2006'},]}>
                        <BulletRangeCollectionDirective>
                            <BulletRangeDirective end={5} ></BulletRangeDirective>
                            <BulletRangeDirective end={15}></BulletRangeDirective>
                            <BulletRangeDirective end={20}></BulletRangeDirective>
                        </BulletRangeCollectionDirective>

            </BulletChartComponent>);
  }
};
ReactDOM.render(<App />, document.getElementById("charts"));
Copied to clipboard
import { BulletChartComponent } from '@syncfusion/ej2-react-charts';
import { BulletRangeCollectionDirective, BulletRangeDirective } from '@syncfusion/ej2-react-charts';
import * as React from "react";
import * as ReactDOM from "react-dom";
class App extends React.Component {
    render() {
        return (<BulletChartComponent id='ranges' animation={{ enable: false }} height="400" valueField='value' targetField='comparativeMeasureValue' categoryField='category' title='Profit in %' minimum={0} maximum={20} interval={5} tooltip={{ enable: true }} dataSource={[{ value: 5, comparativeMeasureValue: 7.5, category: '2001' },
            { value: 7, comparativeMeasureValue: 5, category: '2002' },
            { value: 10, comparativeMeasureValue: 6, category: '2003' },
            { value: 5, comparativeMeasureValue: 8, category: '2004' },
            { value: 12, comparativeMeasureValue: 5, category: '2005' },
            { value: 8, comparativeMeasureValue: 6, category: '2006' },]}>
                        <BulletRangeCollectionDirective>
                            <BulletRangeDirective end={5}></BulletRangeDirective>
                            <BulletRangeDirective end={15}></BulletRangeDirective>
                            <BulletRangeDirective end={20}></BulletRangeDirective>
                        </BulletRangeCollectionDirective>

            </BulletChartComponent>);
    }
}
;
ReactDOM.render(<App />, document.getElementById("charts"));

Tooltip Template

Any HTML elements can be displayed in the tooltip by using the template property of the tooltip. You can use the ${target} and ${value} as place holders in the HTML element to display the value and target values from the data source of corresponding data point.

Customize the Appearance of Tooltip

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.

Tooltip Customization

The following properties can be used to customize the Bullet Chart tooltip.

  • fill - Specifies the color of tooltip.
  • border - Specifies the tooltip border color and width.
  • textStyle - Specifies the tooltip font family, font style, font weight, color and size.