Add delete-notification

src/app/creator-room/creator-room.component.html

@@ -36,7 +36,7 @@
       <mat-card-header><h3>Do you really want to delete this room?<br>This action can not be undone.</h3>
       </mat-card-header>
       <mat-card-content>
-        <button mat-raised-button color="warn" matTooltip="Delete selected room" (click)="delete(room)">
+        <button mat-raised-button color="warn" matTooltip="Delete selected room" (click)="deleteRoom(room)">
           Delete room
         </button>
         <button mat-raised-button color="primary" matTooltip="Leave delete dialog" (click)="disableDeletion()">

src/app/creator-room/creator-room.component.ts

@@ -4,6 +4,7 @@ import { ActivatedRoute } from '@angular/router';
 import { RoomComponent } from '../room/room.component';
 import { Room } from '../room';
 import { Location } from '@angular/common';
+import { NotificationService } from '../notification.service';
 
 @Component({
   selector: 'app-creator-room',
@@ -15,6 +16,7 @@ export class CreatorRoomComponent extends RoomComponent implements OnInit {
   deleteDialog = false;
 
   constructor(protected roomService: RoomService,
+              protected notification: NotificationService,
               protected route: ActivatedRoute,
               protected location: Location) {
     super(roomService, route, location);
@@ -38,4 +40,10 @@ export class CreatorRoomComponent extends RoomComponent implements OnInit {
     this.deleteDialog = false;
   }
 
+  deleteRoom(room: Room): void {
+    const msg = room.name + ' deleted';
+    this.notification.show(msg);
+    this.delete(room);
+  }
+
 }