Angular Range Selector - Date-Time Scale

In this demo, data used to define the RangeSelector scale comes in the string type. However, there is the valueType property that specifies the actual scale data type. As this property is set to «datetime», the string data will be cast to the date type.

Backend API

<dx-range-selector id="range-selector" title="Select a Month Period" [value]="['2013/03/01', '2013/03/07']" [dataSource]="dataSource" > <dxo-range-selector-margin [top]="50"></dxo-range-selector-margin> <dxo-range-selector-chart> <dxi-range-selector-series valueField="dayT" color="yellow" ></dxi-range-selector-series> <dxi-range-selector-series valueField="nightT"></dxi-range-selector-series> <dxo-range-selector-common-series-settings type="steparea" argumentField="date" > </dxo-range-selector-common-series-settings> </dxo-range-selector-chart> <dxo-range-selector-scale minorTickInterval="day" valueType="datetime"> <dxo-range-selector-tick-interval [days]="2" ></dxo-range-selector-tick-interval> </dxo-range-selector-scale> <dxo-range-selector-slider-marker format="day" ></dxo-range-selector-slider-marker> </dx-range-selector>

import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { DxRangeSelectorModule } from 'devextreme-angular'; import { Service, MonthPeriod } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [Service], templateUrl: './app.component.html', styleUrls: ['./app.component.css'], imports: [ DxRangeSelectorModule, ], }) export class AppComponent { dataSource: MonthPeriod[]; constructor(service: Service) { this.dataSource = service.getPeriods(); } } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });

::ng-deep #range-selector { height: 400px; }

import { Injectable } from '@angular/core'; export class MonthPeriod { date: string; dayT: number; nightT: number; } const periods: MonthPeriod[] = [{ date: '2013/03/01', dayT: 7, nightT: 2 }, { date: '2013/03/02', dayT: 4, nightT: -1 }, { date: '2013/03/03', dayT: 4, nightT: -2 }, { date: '2013/03/04', dayT: 6, nightT: -3 }, { date: '2013/03/05', dayT: 9, nightT: -1 }, { date: '2013/03/06', dayT: 6, nightT: 3 }, { date: '2013/03/07', dayT: 3, nightT: 1 }, { date: '2013/03/08', dayT: 6, nightT: -1 }, { date: '2013/03/09', dayT: 13, nightT: 2 }, { date: '2013/03/10', dayT: 10, nightT: 2 }, { date: '2013/03/11', dayT: 12, nightT: 4 }, { date: '2013/03/12', dayT: 14, nightT: 6 }, { date: '2013/03/13', dayT: 11, nightT: 3 }, { date: '2013/03/14', dayT: 5, nightT: -2 }, { date: '2013/03/15', dayT: 8, nightT: -1 }, { date: '2013/03/16', dayT: 5, nightT: 0 }, { date: '2013/03/17', dayT: 3, nightT: -2 }, { date: '2013/03/18', dayT: 2, nightT: -2 }, { date: '2013/03/19', dayT: 6, nightT: 1 }, { date: '2013/03/20', dayT: 7, nightT: 0 }, { date: '2013/03/21', dayT: 4, nightT: -1 }, { date: '2013/03/22', dayT: 5, nightT: -2 }, { date: '2013/03/23', dayT: 8, nightT: 0 }, { date: '2013/03/24', dayT: 8, nightT: 1 }, { date: '2013/03/25', dayT: 4, nightT: 2 }, { date: '2013/03/26', dayT: 12, nightT: 3 }, { date: '2013/03/27', dayT: 12, nightT: 2 }, { date: '2013/03/28', dayT: 11, nightT: 3 }, { date: '2013/03/29', dayT: 13, nightT: 4 }, { date: '2013/03/30', dayT: 15, nightT: 4 }, { date: '2013/03/31', dayT: 12, nightT: 7 }, ]; @Injectable() export class Service { getPeriods(): MonthPeriod[] { return periods; } }

<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> <script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script> <script src="./bundle.js" type="module"></script> </body> </html>