Range in Angular Range Navigator component

24 May 2022 / 1 minute to read

The Range Selector’s left and right thumbs are used to indicate the selected range in the large collection of data. A range can be selected in the following ways:

By dragging the thumbs.
By tapping on the labels.
By setting the start and the end through the value property.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit, ViewChild } from '@angular/core';
import { datasrc } from 'datasource.ts';
import {
DateTime, AreaSeries, IChangedEventArgs, Chart
} from '@syncfusion/ej2-charts';

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' [tooltip]='tooltip'
[labelFormat]='labelFormat' (changed)='changed($event)'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='y' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>
    <div align="center">
<ejs-chart #chart style='display:block;' id='chart' [primaryXAxis]='primaryXAxis'>
    <e-series-collection>
        <e-series [dataSource]='chartData' type='Area' xName='x' yName='y' width='2'>
        </e-series>
    </e-series-collection>
    </ejs-chart>
</div>`
})
export class AppComponent implements OnInit {
public value: Object[];
public chartData: Object[];
public tooltip: Object[];
public labelFormat: string;
public primaryXAxis: Object;
@ViewChild('chart')
public Chart: Chart;
public changed(args: IChangedEventArgs): void {
    this.Chart.primaryXAxis.zoomFactor = args.zoomFactor;
    this.Chart.primaryXAxis.zoomPosition = args.zoomPosition;
    this.Chart.dataBind();
}
ngOnInit(): void {
    this.value = [new Date('2017-09-01'), new Date('2018-02-01')];
    this.chartData = datasrc;
    this.tooltip = { enable: true, displayMode: 'Always' };
    this.labelFormat = 'MMM-yy';
    this.primaryXAxis = {
      valueType: 'DateTime',
    };
}
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, RangeTooltipService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, RangeTooltipService ]
})
export class AppModule { }

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);