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