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

   1 import { Injectable } from '@angular/core'
   2 import { CanActivate, CanDeactivate } from '@angular/router'
   3 import { MenuService } from '../menu'
   4 import { ScreenService } from '../wrappers'
   5
   6 abstract class MenuGuard implements CanActivate, CanDeactivate<any> {
   7   display = true
   8   canDeactivate = this.canActivate
   9
  10   constructor (protected menu: MenuService, protected screen: ScreenService, display: boolean) {
  11     this.display = display
  12   }
  13
  14   canActivate (): boolean {
  15     // small screens already have the site-wide onResize from screenService
  16     // > medium screens have enough space to fit the administrative menus
  17     if (!this.screen.isInMobileView() && this.screen.isInMediumView()) {
  18       this.menu.setMenuDisplay(this.display)
  19     }
  20
  21     return true
  22   }
  23 }
  24
  25 @Injectable()
  26 export class OpenMenuGuard extends MenuGuard {
  27   constructor (menu: MenuService, screen: ScreenService) {
  28     super(menu, screen, true)
  29   }
  30 }
  31
  32 @Injectable()
  33 export class OpenMenuAlwaysGuard extends MenuGuard {
  34   constructor (menu: MenuService, screen: ScreenService) {
  35     super(menu, screen, true)
  36   }
  37
  38   canActivate (): boolean {
  39     this.menu.setMenuDisplay(this.display)
  40
  41     return true
  42   }
  43 }
  44
  45 @Injectable()
  46 export class CloseMenuGuard extends MenuGuard {
  47   constructor (menu: MenuService, screen: ScreenService) {
  48     super(menu, screen, false)
  49   }
  50 }
  51
  52 @Injectable()
  53 export class CloseMenuAlwaysGuard extends MenuGuard {
  54   constructor (menu: MenuService, screen: ScreenService) {
  55     super(menu, screen, false)
  56   }
  57
  58   canActivate (): boolean {
  59     this.menu.setMenuDisplay(this.display)
  60     return true
  61   }
  62 }
  63
  64 @Injectable()
  65 export class MenuGuards {
  66   public static guards = [
  67     OpenMenuGuard,
  68     OpenMenuAlwaysGuard,
  69     CloseMenuGuard,
  70     CloseMenuAlwaysGuard
  71   ]
  72
  73   static open (always?: boolean) {
  74     return always
  75       ? OpenMenuAlwaysGuard
  76       : OpenMenuGuard
  77   }
  78
  79   static close (always?: boolean) {
  80     return always
  81       ? CloseMenuAlwaysGuard
  82       : CloseMenuGuard
  83   }
  84 }