public MenuBarViewModel(ScreenSwitcher switcher)
{
this.switcher = switcher;
AuthorityController.LoggedIn += (s, e) =>
{
CurrentUser = AuthorityController.CurrentUser;
OpenSyncCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Sync);
OpenDoctorsCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Doctors);
OpenPatientsCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Patients);
OpenWordsCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Words);
OpenVocsCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Vocabularies);
OpenCriteriaCommand.IsVisible = AuthorityController.CurrentUserCanOpen(Screen.Criteria);
#if DEBUG
OpenSyncCommand.IsVisible = true;
OpenVocsCommand.IsVisible = true;
#endif
};
AuthorityController.LoggedOut += (s, e) =>
{
CurrentUser = AuthorityController.CurrentUser;
};
switcher.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "CurrentView")
{
Visible = switcher.WithMenuBar;
}
};
}
/// <summary>
/// Открывает экран.
/// </summary>
/// <param name="screen"></param>
/// <param name="replace">Открывать ли экран заново, если совпадает с текущим экраном.</param>
public void OpenScreen(Screen screen, object parameter = null, bool replace = false)
{
if (!ac.CurrentUserCanOpen(screen))
{
throw new InvalidOperationException(string.Format("{0} не может открывать {1}", ac.CurrentUser, screen));
}
var updateCurView = replace || Screen != screen;
Screen = screen;
if (updateCurView)
{
if (_curView != null)
{
_curView.Dispose();
}
switch (screen)
{
case Screen.Login:
var vm = new LoginViewModel();
if (!vm.LoggedIn) // автовход - не открываем логин
{
CurrentView = vm;
}
break;
case Screen.Doctors:
CurrentView = new DoctorsListViewModel();
break;
case Screen.Sync:
CurrentView = new SyncViewModel(Constants.ServerConnectionInfo);
break;
case Screen.Vocabularies:
CurrentView = new VocabularySyncViewModel(Constants.ServerConnectionInfo);
break;
case Screen.Patients:
CurrentView = new PatientsListViewModel();
break;
case Screen.Words:
CurrentView = new WordsListViewModel();
break;
case Screen.Criteria:
var crVm = new CriteriaViewModel();
var crit = parameter as ICrit;
if (crit != null)
{
crVm.Open(crit);
}
CurrentView = crVm;
break;
case Screen.Card:
var cardVm = new CardViewModel(false);
cardVm.LastItemRemoved += (s, e) =>
{
OpenScreen(Screen.Patients);
};
cardVm.Open(parameter, lastAppOrCourse: true);
CurrentView = cardVm;
break;
default:
break;
}
}
else // только открываем сущность на экране
{
if (screen == Screen.Card)
{
(CurrentView as CardViewModel).Open(parameter);
}
else if (screen == Screen.Criteria)
{
var crit = parameter as ICrit;
if (crit != null)
{
(CurrentView as CriteriaViewModel).Open(crit);
}
}
}
}