import { Component , Input , ChangeDetectionStrategy , ElementRef , Renderer2 , OnInit , OnChanges } from '@angular/core' ; import { HostService } from '../common/host/host.service' ; @ Component ( { selector : 'ngl-progress-bar' , templateUrl : './progressbar.html' , changeDetection : ChangeDetectionStrategy . OnPush , providers : [ HostService ] , } ) export class NglProgressBar implements OnInit , OnChanges { /**
     * The percentage value of the progress bar.
     */ @ Input ( ) set value ( value ) { this . _value = Math . max ( 0 , Math . min ( value , 100 ) ) ; this . renderer . setAttribute ( this . element . nativeElement , 'aria-valuenow' , `${ this . value }` ) ; } get value ( ) { return this . _value ; } /**
     * The size of the progress bar.
     */ @ Input ( ) size : 'x-small' | 'small' | 'medium' | 'large' ; /**
     * The variant of the progress bar.
     */ @ Input ( ) variant : 'circular' ; private _value : number ; constructor ( private element , private renderer , private hostService ) { this . renderer . addClass ( this . element . nativeElement , 'slds-progress-bar' ) ; this . renderer . setAttribute ( this . element . nativeElement , 'role' , 'progressbar' ) ; this . renderer . setAttribute ( this . element . nativeElement , 'aria-valuemin' , '0' ) ; this . renderer . setAttribute ( this . element . nativeElement , 'aria-valuemax' , '100' ) ; } ngOnInit ( ) { this . setHostClass ( ) ; } ngOnChanges ( ) { this . setHostClass ( ) ; } private setHostClass ( ) { this . hostService . updateClass ( this . element , { [ `slds-progress-bar_${ this . size }` ] : ! ! this . size , [ `slds-progress-bar_${ this . variant }` ] : ! ! this . variant , } ) ; } }