Tool tip in Vue Bullet chart component

13 Jun 20245 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 and injecting BulletTooltip module using BulletChart.Inject(BulletTooltip) and injecting BulletTooltip module using BulletChart.Inject(BulletTooltip).

<template>
  <div>
    <ejs-bulletchart id="bulletChart" :dataSource="data" valueField="value" targetField="comparativeMeasureValue"
      :minimum="minimum" :maximum="maximum" :interval="interval" title="Profit in %" height="400px">
      <e-bullet-range-collection>
        <e-bullet-range end="5" color="red"></e-bullet-range>
        <e-bullet-range end="15" color="blue"></e-bullet-range>
        <e-bullet-range end="20" color="green"></e-bullet-range>
      </e-bullet-range-collection>
    </ejs-bulletchart>
  </div>
</template>
<script setup>

import { BulletChartComponent as EjsBulletchart, BulletRangeCollectionDirective as EBulletRangeCollection, BulletRangeDirective as EBulletRange } from '@syncfusion/ej2-vue-charts';

const data = [{ 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' }
];
const minimum = 0;
const maximum = 20;
const interval = 5;

</script>
<template>
  <div>
    <ejs-bulletchart id="bulletChart" :dataSource="data" valueField="value" targetField="comparativeMeasureValue"
      :minimum="minimum" :maximum="maximum" :interval="interval" title="Profit in %" height="400px">
      <e-bullet-range-collection>
        <e-bullet-range end="5" color="red"></e-bullet-range>
        <e-bullet-range end="15" color="blue"></e-bullet-range>
        <e-bullet-range end="20" color="green"></e-bullet-range>
      </e-bullet-range-collection>
    </ejs-bulletchart>
  </div>
</template>
<script>

import { BulletChartComponent, BulletRangeCollectionDirective, BulletRangeDirective } from '@syncfusion/ej2-vue-charts';


export default {
  name: "App",
  components: {
    "ejs-bulletchart": BulletChartComponent,
    "e-bullet-range-collection": BulletRangeCollectionDirective,
    "e-bullet-range": BulletRangeDirective
  },
  data() {
    return {
      data: [{ 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' }
      ],
      minimum: 0, maximum: 20, interval: 5
    }
  }
}
</script>

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

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.