public void SetUser(User user)
{
UserSelector.SetSelectedUser(user);
PermissionsSelector.ShowPermissions(UsersPermissions.Where(i => i.Key.ID == user.ID).Single().Value);
}
public void SetUsersPermissions(Dictionary <User, IEnumerable <Permission> > usersPermissions)
{
this.UsersPermissions = usersPermissions;
UserSelector.SetUsers(usersPermissions.Keys);
}