opt-cc/static/src/app/app.component.ts

import {Component, HostListener, Inject, OnInit} from '@angular/core';
import {NavigationEnd, NavigationStart, Router} from '@angular/router';
import {LoginService} from './services/app-user-service/login-service';
import {PromotionService} from './services/army-management/promotion.service';
import {AwardingService} from './services/army-management/awarding.service';
import {RouteConfig} from './app.config';
import {DOCUMENT} from '@angular/common';
import {DomSanitizer} from '@angular/platform-browser';
import {MatIconRegistry} from '@angular/material';

declare function require(url: string);

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.css', 'style/load-indicator.css']
})
export class AppComponent implements OnInit {

  config = RouteConfig;

  loading = false;

  sidebarOpen = true;

  showSidebarToggleBtn = false;

  scrollTopVisible = false;

  scrollBtnVisibleVal = 100;

  svgIcons = {
    'add': 'outline-add_box-24px',
    'add-user': 'twotone-person_add-24px',
    'edit': 'twotone-edit-24px',
    'delete': 'twotone-delete-24px',
    'stats-detail': 'round-assessment-24px',
    'chevron-left': 'baseline-chevron_left-24px',
    'chevron-right': 'baseline-chevron_right-24px'
  };

  version = 'v'.concat(require('./../../../package.json').version);

  constructor(public loginService: LoginService,
              private promotionService: PromotionService,
              private awardingService: AwardingService,
              private router: Router,
              private iconRegistry: MatIconRegistry,
              private sanitizer: DomSanitizer,
              @Inject(DOCUMENT) private document) {
    this.initMaterialSvgIcons();

    router.events.subscribe(event => {
      if (event instanceof NavigationStart) {
        this.loading = true;
      }
      if (event instanceof NavigationEnd) {
        this.loading = false;
        // scroll to top on route from army overview to user detail and back
        if (router.url.includes('/overview')) {
          this.scrollToTop();
        }
        // show sidebar menu on initial stats page access
        if (router.url.includes('/stats')) {
          this.showSidebarToggleBtn = true;
          this.sidebarOpen = true;
        } else {
          this.showSidebarToggleBtn = false;
        }
      }
    });
  }

  initMaterialSvgIcons() {
    Object.keys(this.svgIcons).forEach(key => {
      const fileUri = '../assets/icon/' + this.svgIcons[key] + '.svg';
      this.iconRegistry.addSvgIcon(key, this.sanitizer.bypassSecurityTrustResourceUrl(fileUri));
    });
  }

  @HostListener('window:scroll', [])
  onWindowScroll() {
    this.scrollTopVisible = document.body.scrollTop > this.scrollBtnVisibleVal
      || document.documentElement.scrollTop > this.scrollBtnVisibleVal;
  }

  toggleSidebar() {
    this.sidebarOpen = !this.sidebarOpen;
    setTimeout(_ => {
      window.dispatchEvent(new Event('resize'));
    });
  }

  ngOnInit() {
    if (this.loginService.hasPermission(2)) {
      const fraction = this.loginService.getCurrentUser().squad.fraction;
      this.promotionService.checkUnconfirmedPromotions(fraction);
      this.awardingService.checkUnprocessedAwards(fraction);
    }
  }

  logout() {
    this.loginService.logout();
    this.router.navigate([RouteConfig.overviewPath]);
    return false;
  }

  scrollToTop() {
    this.document.body.scrollTop = 0; // For Safari
    this.document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
  }

}