client/src/app/core/routing/menu-guard.service.ts

   1 import { Injectable } from '@angular/core'
   2 import { MenuService } from '../menu'
   3 import { ScreenService } from '../wrappers'
   4
   5 abstract class MenuGuard {
   6   canDeactivate = this.canActivate
   7
   8   constructor (protected menu: MenuService, protected screen: ScreenService, protected display: boolean) {
   9
  10   }
  11
  12   canActivate (): boolean {
  13     // small screens already have the site-wide onResize from screenService
  14     // > medium screens have enough space to fit the administrative menus
  15     if (!this.screen.isInMobileView() && this.screen.isInMediumView()) {
  16       this.menu.setMenuDisplay(this.display)
  17     }
  18
  19     return true
  20   }
  21 }
  22
  23 @Injectable()
  24 export class OpenMenuGuard extends MenuGuard {
  25   constructor (menu: MenuService, screen: ScreenService) {
  26     super(menu, screen, true)
  27   }
  28 }
  29
  30 @Injectable()
  31 export class OpenMenuAlwaysGuard extends MenuGuard {
  32   constructor (menu: MenuService, screen: ScreenService) {
  33     super(menu, screen, true)
  34   }
  35
  36   canActivate (): boolean {
  37     this.menu.setMenuDisplay(this.display)
  38
  39     return true
  40   }
  41 }
  42
  43 @Injectable()
  44 export class CloseMenuGuard extends MenuGuard {
  45   constructor (menu: MenuService, screen: ScreenService) {
  46     super(menu, screen, false)
  47   }
  48 }
  49
  50 @Injectable()
  51 export class CloseMenuAlwaysGuard extends MenuGuard {
  52   constructor (menu: MenuService, screen: ScreenService) {
  53     super(menu, screen, false)
  54   }
  55
  56   canActivate (): boolean {
  57     this.menu.setMenuDisplay(this.display)
  58     return true
  59   }
  60 }
  61
  62 @Injectable()
  63 export class MenuGuards {
  64   public static guards = [
  65     OpenMenuGuard,
  66     OpenMenuAlwaysGuard,
  67     CloseMenuGuard,
  68     CloseMenuAlwaysGuard
  69   ]
  70
  71   static open (always?: boolean) {
  72     return always
  73       ? OpenMenuAlwaysGuard
  74       : OpenMenuGuard
  75   }
  76
  77   static close (always?: boolean) {
  78     return always
  79       ? CloseMenuAlwaysGuard
  80       : CloseMenuGuard
  81   }
  82 }