/// <summary>
/// Update the current view model to 'viewModel'
/// </summary>
/// <param name="viewModel">The new ViewModel</param>
private void ChangeViewModel(IScreenViewModel viewModel)
{
// Make sure the collection of View Models contains this viewModel
if (!ScreensViewModels.Contains(viewModel))
{
ScreensViewModels.Add(viewModel);
}
// Use the selected view model
CurrentScreenViewModel = ScreensViewModels.FirstOrDefault(vm => vm == viewModel);
}
public ApplicationViewModel(Person connectedPerson, IMessageBoxService messageBoxService)
: base(messageBoxService)
{
_connectedPersonID = connectedPerson.personID;
// Create a list of all possible screens
List <IScreenViewModel> allScreens = new List <IScreenViewModel>();
allScreens.Add(new SchoolInfoViewModel(connectedPerson));
allScreens.Add(new ContactsInfoViewModel(connectedPerson));
allScreens.Add(new StudentGradesViewModel(connectedPerson, messageBoxService));
allScreens.Add(new WeeklyScheduleViewModel(connectedPerson));
allScreens.Add(new CalenderViewModel(connectedPerson));
allScreens.Add(new MessagesDisplayViewModel(connectedPerson));
allScreens.Add(new CreateMessageViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new LessonSummaryViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new GradesReportViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new EventManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new ClassManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new RoomManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new CourseManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new LessonManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new UserCreationViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new UserUpdateViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
allScreens.Add(new SchoolManagementViewModel(connectedPerson, RefreshScreensCommand, messageBoxService));
// Use only the screens that are relevent to the current user
foreach (IScreenViewModel screen in allScreens)
{
if (screen.HasRequiredPermissions)
{
screen.Initialize(connectedPerson);
ScreensViewModels.Add(screen);
}
}
// Set starting page
CurrentScreenViewModel = ScreensViewModels[0];
}
