Tool tip table in Angular Chart component

27 Apr 20244 minutes to read

You can show the tooltip as table by using template property in tooltip.

Follow the given steps to show the table tooltip,

Step 1:

Initialize the tooltip template div as shown in the following html page,

   <script id="Female-Material" type="text/x-template">
    <div id='templateWrap'>
        <table style="width:100%;  border: 1px solid black;">
        <tr><th colspan="2" bgcolor="#00FFFF">Female</th></tr>
        <tr><td bgcolor="#00FFFF">${x}:</td><td bgcolor="#00FFFF">${y}</td></tr>
        </table>
    </div>
   </script>

Step 2:

To show that tooltip template, set the element id to the template property in tooltip.

app.component.ts

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule } from '@syncfusion/ej2-angular-charts'
import { LineSeriesService, DateTimeService, DataLabelService,StackingColumnSeriesService,CategoryService, ChartShape,
       StepAreaSeriesService,ChartAnnotationService, LegendService, TooltipService} from '@syncfusion/ej2-angular-charts'



import { Component, OnInit } from '@angular/core';
import { IPointRenderEventArgs } from '@syncfusion/ej2-angular-charts';

@Component({
imports: [
         ChartModule
    ],

providers: [ LineSeriesService, DateTimeService, DataLabelService, StackingColumnSeriesService,CategoryService,
               StepAreaSeriesService,ChartAnnotationService, LegendService, TooltipService],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'  [tooltip]='tooltip'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='Line' xName='x' yName='y' name='Female' width=2 [marker]='marker'></e-series>
        </e-series-collection>
    </ejs-chart>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public marker?: Object;
    public tooltip?: Object;
    public primaryYAxis?: Object;
    ngOnInit(): void {
        this.chartData =[
                    { x: 2010, y: 990 }, { x: 2011, y: 1010 },
                    { x: 2012, y: 1030 }, { x: 2013, y: 1070 },
                    { x: 2014, y: 1105 }, { x: 2015, y: 1138 },
                    { x: 2016, y: 1155 }
                ];
        this.primaryXAxis = {
           minimum: 2010, maximum: 2016,
          edgeLabelPlacement: 'Shift',
        };
        this.primaryYAxis = {
            minimum: 900, maximum: 1300,
            labelFormat: '{value}M',
        };
        this.marker = { visible: true, width: 10, height: 10, shape: 'Rectangle'};
        this.tooltip = {
            enable: true,
            template:'#Female-Material'
            }
        this.title = 'Population of India ( 2010 - 2016 )';
    }
}

main.ts

import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));