argos/dmp-frontend/src/app/form/pagination/pagination-service.ts

import { Injectable } from '@angular/core';
@Injectable()
export class PaginationService {

	private currentPageIndex: number;

	public setCurrentIndex(currentPageIndex: number): void {
		this.currentPageIndex = currentPageIndex;
	}

	public getCurrentIndex(): number {
		return this.currentPageIndex;
	}

	public isElementVisible(elementPage: number): boolean {
		return elementPage === this.currentPageIndex; //TODO
	}
}