Period Selector in Angular Range Navigator component

01 Dec 2021 / 4 minutes to read

The period selector allows to select a range with specified periods.

Periods

An array of objects that allows the users to specify pre-defined time intervals. The interval property specifies the count value of the button, and the text property specifies the text to be displayed on the button. The intervaltype property allows the users to customize the interval type, and it supports the following types:

Auto
Years
Quarter
Months
Weeks
Days
Hours
Minutes
Seconds

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit } from '@angular/core';
import { chartData } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [periodSelectorSettings]='periodsValue'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='close' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public periodsValue: Object[];
public chartData: Object[];
public tooltip: Object[];
public labelFormat: string;
ngOnInit(): void {
    this.periodsValue = {
                            periods: [
                                { text: '1M', interval: 1, intervalType: 'Months' },{ text: '3M', interval: 3, intervalType:'Months'},
                                { text: '6M', interval: 6, intervalType: 'Months' }, { text: 'YTD' },
                                { text: '1Y', interval: 1, intervalType: 'Years' },
                                { text: '2Y', interval: 2, intervalType: 'Years', selected: true },
                                { text: 'All' }
                            ]
                        };
    this.chartData = chartData;
}
}

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, PeriodSelectorService} from '@syncfusion/ej2-angular-charts';

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

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

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

To use the period selector feature, inject the PeriodSelectorService into the @NgModule.providers.

Positioning period selector

The position property allows the users to position the period selector at the Top or Bottom.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit } from '@angular/core';
import { chartData } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [periodSelectorSettings]='periodsValue'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='close' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public periodsValue: Object[];
public chartData: Object[];
ngOnInit(): void {
    this.periodsValue = {
                            position: 'Top',
                            periods: [
                                { text: '1M', interval: 1, intervalType: 'Months' }, { text: '3M', interval: 3, intervalType: 'Months' },
                                { text: '6M', interval: 6, intervalType: 'Months' }, { text: 'YTD' },
                                { text: '1Y', interval: 1, intervalType: 'Years' },
                                { text: '2Y', interval: 2, intervalType: 'Years', selected: true
                                },
                                { text: 'All' }
                            ]
                        };
    this.chartData = chartData;
}
}

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, PeriodSelectorService} from '@syncfusion/ej2-angular-charts';

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

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

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

Height

The height property allows the users to specify the height of the period selector. The default value of the height property is 43px.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit } from '@angular/core';
import { chartData } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [periodSelectorSettings]='periodsValue'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='close' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public periodsValue: Object[];
public chartData: Object[];
ngOnInit(): void {
    this.periodsValue = {
                            height: 65,
                            periods: [
                                { text: '1M', interval: 1, intervalType: 'Months' }, { text: '3M', interval: 3, intervalType: 'Months' },
                                { text: '6M', interval: 6, intervalType: 'Months' }, { text: 'YTD' },
                                { text: '1Y', interval: 1, intervalType: 'Years' },
                                { text: '2Y', interval: 2, intervalType: 'Years', selected: true
                                },
                                { text: 'All' }
                            ]
                    };
    this.chartData = chartData;
}
}

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, PeriodSelectorService} from '@syncfusion/ej2-angular-charts';

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

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

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

Visibility of range navigator

The disableRangeSelector property allows the users to display only the period selector and not the Range Selector.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component, OnInit } from '@angular/core';
import { chartData } from 'datasource.ts'

@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [disableRangeSelector]='visibility' [periodSelectorSettings]='periodsValue'>
        <e-rangenavigator-series-collection>
            <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='close' width=2>
            </e-rangenavigator-series>
        </e-rangenavigator-series-collection>
    </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
public periodsValue: Object[];
public chartData: Object[];
public visibility: boolean;
ngOnInit(): void {
    this.periodsValue = {
                           periods: [
                                    { text: '1M', interval: 1, intervalType: 'Months' }, { text: '3M', interval: 3, intervalType: 'Months' },
                                    { text: '6M', interval: 6, intervalType: 'Months' }, { text: 'YTD' },
                                    { text: '1Y', interval: 1, intervalType: 'Years' },
                                    { text: '2Y', interval: 2, intervalType: 'Years', selected: true
                                    },
                                    { text: 'All' }
                                ]
                    };
    this.chartData = chartData;
    this.visibility = true;
}
}

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, PeriodSelectorService} from '@syncfusion/ej2-angular-charts';

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

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

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

Period Selector in Angular Range Navigator component

Periods

Positioning period selector

Height

Visibility of range navigator

See Also