Selected data grid in Angular Chart component

27 Apr 20249 minutes to read

By using the dragComplete, you can get the selected data values for range selection.

To display the selected data value, follow the given steps:

Step 1:

Get the selected data point values and display the values through grid component by using the dragComplete event.

app.component.ts

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ChartModule, ChartAllModule, AccumulationChartAllModule } from '@syncfusion/ej2-angular-charts'
import { GridModule } from '@syncfusion/ej2-angular-grids'
import { PageService } from '@syncfusion/ej2-angular-grids'
import { AccumulationChartModule } from '@syncfusion/ej2-angular-charts'
import { DialogModule } from '@syncfusion/ej2-angular-popups'
import { PieSeriesService, AccumulationTooltipService, AccumulationDataLabelService } from '@syncfusion/ej2-angular-charts'
import {
    LineSeriesService, DateTimeService, DataLabelService, StackingColumnSeriesService, CategoryService,
    StepAreaSeriesService, SplineSeriesService, ScrollBarService, ChartAnnotationService, LegendService, TooltipService, StripLineService,
    SelectionService, ScatterSeriesService, ZoomService, ColumnSeriesService, AreaSeriesService, RangeAreaSeriesService
} from '@syncfusion/ej2-angular-charts'



import { Component, OnInit, ViewChild } from '@angular/core';
import { IDragCompleteEventArgs } from '@syncfusion/ej2-angular-charts';
import { GridComponent } from '@syncfusion/ej2-angular-grids';
@Component({
imports: [
         ChartModule, ChartAllModule, AccumulationChartAllModule, AccumulationChartModule, GridModule, DialogModule
    ],

providers: [LineSeriesService, DateTimeService, ColumnSeriesService, DataLabelService, ZoomService, StackingColumnSeriesService, CategoryService,
        StepAreaSeriesService, SplineSeriesService, ChartAnnotationService, LegendService, TooltipService, StripLineService,
        PieSeriesService, AccumulationTooltipService, ScrollBarService, AccumulationDataLabelService, SelectionService, ScatterSeriesService,
        PageService, AreaSeriesService, RangeAreaSeriesService ],
standalone: true,
    selector: 'app-container',
    template: `<ejs-chart id="chart-container" [primaryXAxis]='primaryXAxis'[primaryYAxis]='primaryYAxis' [title]='title'
    [selectionMode]=' selectionMode' (dragComplete)='dragComplete($event)'>
        <e-series-collection>
            <e-series [dataSource]='chartData' type='Scatter' xName='x' yName='y' name='Product A' [marker]='marker'></e-series>>
        </e-series-collection>
         </ejs-chart>
        <ejs-grid #grid>
                 <e-columns>
                        <e-column field='x' headerText='X' textAlign='right' type='string'></e-column>
                        <e-column field='y' headerText='Y' type='number'></e-column>
                    </e-columns>
        </ejs-grid>`
})
export class AppComponent implements OnInit {
    public primaryXAxis?: Object;
    public chartData?: Object[];
    public title?: string;
    public marker?: Object;
    public primaryYAxis?: Object;
    public selectionMode?: Object;
    @ViewChild('grid')
    public grid?: GridComponent;
    public dragComplete(args: IDragCompleteEventArgs):void {
        this.grid!.dataSource = args.selectedDataValues[0];
        this.grid!.refresh();
    }
    ngOnInit(): void {
        this.chartData =[
            { x: 1971, y: 50 }, { x: 1972, y: 20 }, { x: 1973, y: 63 }, { x: 1974, y: 81 }, { x: 1975, y: 64 },
            { x: 1976, y: 36 }, { x: 1977, y: 22 }, { x: 1978, y: 78 }, { x: 1979, y: 60 }, { x: 1980, y: 41 },
            { x: 1981, y: 62 }, { x: 1982, y: 56 }, { x: 1983, y: 96 }, { x: 1984, y: 48 }, { x: 1985, y: 23 },
            { x: 1986, y: 54 }, { x: 1987, y: 73 }, { x: 1988, y: 56 }, { x: 1989, y: 67 }, { x: 1990, y: 79 },
            { x: 1991, y: 18 }, { x: 1992, y: 78 }, { x: 1993, y: 92 }, { x: 1994, y: 43 }, { x: 1995, y: 29 },
            { x: 1996, y: 14 }, { x: 1997, y: 85 }, { x: 1998, y: 24 }, { x: 1999, y: 61 }, { x: 2000, y: 80 },
            { x: 2001, y: 14 }, { x: 2002, y: 34 }, { x: 2003, y: 81 }, { x: 2004, y: 70 }, { x: 2005, y: 21 },
            { x: 2006, y: 70 }, { x: 2007, y: 32 }, { x: 2008, y: 43 }, { x: 2009, y: 21 }, { x: 2010, y: 63 },
            { x: 2011, y: 9 }, { x: 2012, y: 51 }, { x: 2013, y: 25 }, { x: 2014, y: 96 }, { x: 2015, y: 32 }
        ];
        this.primaryXAxis={
            minimum: 1970,
            maximum: 2016
        };
        this.primaryYAxis = {
            title: 'Sales',
            labelFormat: '{value}%',
            interval: 25,
            minimum: 0,
            maximum: 100,
        };
        this.marker = {
            shape: 'Triangle',
            width: 10,
            height: 10
        };
        this.selectionMode = 'DragXY';
        this.title = 'Profit Comparision of A and B';
    }
}

main.ts

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