public void ViewSetQuizzes()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "ViewSetQuizzes";
this.eventAggregator.Publish(changePage);
}
public void MarkQuizList()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "MarkQuizList";
this.eventAggregator.Publish(changePage);
}
public void DraftList()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "DraftList";
this.eventAggregator.Publish(changePage);
}
public void Back()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TeacherMainMenu";
this.eventAggregator.Publish(changePage);
}
public void CreateQuiz()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "CreateQuiz";
this.eventAggregator.Publish(changePage);
}
public void ManageClasses()
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "ManageClasses";
this.eventAggregator.Publish(changePage);
}
private void Browse(object obj)
{
OpenFileDialog openFileDialog = new OpenFileDialog
{
Filter = "QM test (*.qm)|*.qm",
Title = "Select Qucik Mark test ..."
};
if (openFileDialog.ShowDialog() == true)
{
TestManager test = new TestManager(ServiceProvider.GetApplicationSettings);
if (test.LoadTestData(openFileDialog.FileName))
{
string destinationPath = Path.Combine(ServiceProvider.GetApplicationSettings.TestStorageFolderPath, Path.GetFileName(openFileDialog.FileName));
if (!File.Exists(destinationPath))//do backup copy of selected file
{
File.Copy(openFileDialog.FileName, destinationPath);
}
else if (openFileDialog.FileName == destinationPath)//the selected file is the backupfile stored in TestStorageFolderPath
{
File.SetLastAccessTime(destinationPath, DateTime.Now);
}
else//replace
{
File.Delete(destinationPath);
File.Copy(openFileDialog.FileName, destinationPath);
File.SetLastAccessTime(destinationPath, DateTime.Now);
}
ChangePageEvent.Invoke(this, new TestMakerViewModel(ChangePageEvent, test));
}
}
}
public void ViewHomework()
{
ChangePageEvent pageEvent = new ChangePageEvent();
pageEvent.pageName = "HomeworkList";
this.eventAggregator.Publish(pageEvent);
}
public void ViewQuizzes()
{
ChangePageEvent pageEvent = new ChangePageEvent();
pageEvent.pageName = "ViewQuizzes";
this.eventAggregator.Publish(pageEvent);
}
public void JoinClass()
{
ChangePageEvent pageEvent = new ChangePageEvent();
pageEvent.pageName = "JoinClass";
this.eventAggregator.Publish(pageEvent);
}
public void SubmitClass()
{
// submits joining class request, with whether it was a success being returned as a string into joinClassAttempt
ServerConnection server = new ServerConnection();
string joinClassAttempt = server.ServerRequest("JOINCLASS", new string[2] {
model.Username, model.ClassID.ToString()
});
//Prevents null characters from being at the end of the string, making it easier to handle
joinClassAttempt = joinClassAttempt.Replace("\0", string.Empty);
//if it was a success, go back to the student main menu and display a success message box
if (joinClassAttempt == "success")
{
MessageBox.Show($"Successfully requested to join the class {model.ClassID}");
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "StudentMainMenu";
this.eventAggregator.Publish(changePage);
}
else
{
MessageBox.Show($"Joining of {model.ClassID} unsuccessful. You may have entered the wrong ID or may already be in this class");
}
}
// makes it so the student plays the quiz, with the ID of the quiz being passed to QuizScreenViewModel
void TakeQuiz(int quizID)
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TakeQuiz";
changePage.quizID = quizID;
this.eventAggregator.Publish(changePage);
}
void SubmitPage(QuizResults results)
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "QuizSubmit";
changePage.results = results;
this.eventAggregator.Publish(changePage);
}
private void LoadTest(object obj)
{
TestManager test = new TestManager(ServiceProvider.GetApplicationSettings);
if (test.LoadTestData(SelectedTestDataPreview.FullPath))
{
ChangePageEvent.Invoke(this, new TestMakerViewModel(ChangePageEvent, test));
}
}
public void Edit()
{
//puts the quiz ID into the quiz edit page so that the teacher can edit the quiz as if it's their own
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "EditQuiz";
changePage.quizID = Int32.Parse(quizID);
this.eventAggregator.Publish(changePage);
this.RequestClose(true);
}
public void TakeQuiz()
{
//if the teacher wants to take a quiz, then pass the quiz ID to the QuizScreenViewModel
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TakeQuiz";
changePage.quizID = Int32.Parse(quizID);
this.eventAggregator.Publish(changePage);
this.RequestClose(true);
}
public void MarkQuiz(int pointer)
{
//publishes the markQuiz event containing the quiz ID and the username of the quiz attempt
MarkQuizEvent markQuiz = new MarkQuizEvent();
markQuiz.quizID = Int32.Parse(this.Model.List[pointer].quizID);
markQuiz.username = this.Model.List[pointer].username;
this.eventAggregator.Publish(markQuiz);
//changes page to the quiz marking
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "MarkQuizView";
this.eventAggregator.Publish(changePage);
}
void FinishMarking()
{
string correctTotal = GetCorrectTotal();
//updates the amount of correct questions in the QuizAttempts table
ServerConnection server = new ServerConnection();
string success = server.ServerRequest("FINISHMARKING", new string[] { this.Model.Username, this.Model.QuizID.ToString(), correctTotal });
success = success.Replace("\0", string.Empty);
if (success == "success")
{
MessageBox.Show("Updated the correct total");
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TeacherMainMenu";
this.eventAggregator.Publish(changePage);
}
else
{
MessageBox.Show("Failed to update the correct total");
}
}
public void Quit()
{
//asks the user if they want to quit with Yes/No buttons
MessageBoxResult result = MessageBox.Show("Are you sure you want to quit?", "Quit quiz", MessageBoxButton.YesNo);
//if the user wants to quit, then go back to the respective main menu
if (result.ToString() == "Yes")
{
Debug.WriteLine(this.userType);
if (this.userType == "TEACHER")
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TeacherMainMenu";
this.eventAggregator.Publish(changePage);
}
else
{
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "StudentMainMenu";
this.eventAggregator.Publish(changePage);
}
}
}
public ViewQuizViewModel(IEventAggregator eventAggregator, string username, int quizID)
{
this.eventAggregator = eventAggregator;
this.Model = new ViewQuizModel();
bool success;
//gets the quiz attempt information from the server
(Model.QuizID, Model.Username, Model.QuizType, Model.Questions, Model.Answers, Model.CorrectQuestions, success) = QuizHandling.GetQuizInformation(username, quizID);
if (success == false)
{
MessageBox.Show("Something went wrong loading the quiz. Returning to the main menu");
ChangePageEvent changePage = new ChangePageEvent();
changePage.pageName = "TeacherMainMenu";
this.eventAggregator.Publish(changePage);
}
else
{
this.Model.CurrentQuestionNumber = 0;
SetUpQuestion();
}
}
private void ShowTestLoaderPage(object obj)
{
ChangePageEvent.Invoke(this, new TestMaker.TestLoaderViewModel(ChangePageEvent));
}
private void ShowBasicSettingsPage(object obj)
{
ChangePageEvent.Invoke(this, new Settings.BasicSettingsViewModel(ChangePageEvent));
}
private void ShowTypeSelectorPage(object obj)
{
ChangePageEvent.Invoke(this, new TestCreator.TypeSelectorViewModel(ChangePageEvent));
}
private void ShowMainMenuPage(object obj)
{
ChangePageEvent.Invoke(this, new MainMenu.MainMenuViewModel(ChangePageEvent));
}
//Handles when a page publishes a ChangePageEvent event
public void Handle(ChangePageEvent eventRaised)
{
//activates the appropriate view model
switch (eventRaised.pageName)
{
case "LogIn":
ActivateItem(new LogInViewModel(this.eventAggregator));
break;
case "TeacherMainMenu":
ActivateItem(new TeacherMainMenuViewModel(this.eventAggregator));
break;
case "StudentMainMenu":
ActivateItem(new StudentMainMenuViewModel(this.eventAggregator));
break;
case "TakeQuiz":
ActivateItem(new QuizScreenViewModel(this.eventAggregator, eventRaised.quizID, this.userType, this.username));
break;
case "QuizSubmit":
ActivateItem(new QuizSubmitViewModel(this.eventAggregator, eventRaised.results));
break;
case "JoinClass":
ActivateItem(new JoinClassViewModel(this.eventAggregator, this.username));
break;
case "ManageClasses":
ActivateItem(new ManageClassesViewModel(this.eventAggregator, this.windowManager, this.username));
break;
case "CreateQuiz":
ActivateItem(new CreateQuizViewModel(this.eventAggregator, this.username, this.windowManager, -1));
break;
case "ViewQuizzes":
ActivateItem(new QuizListViewModel(this.eventAggregator, this.windowManager, this.userType, this.username));
break;
case "DraftList":
ActivateItem(new DraftListViewModel(this.eventAggregator, this.windowManager, this.username));
break;
case "HomeworkList":
ActivateItem(new HomeworkViewModel(this.eventAggregator, this.windowManager, this.username));
break;
case "ViewSetQuizzes":
ActivateItem(new TeacherQuizHistoryViewModel(this.eventAggregator, this.username));
break;
case "EditQuiz":
ActivateItem(new CreateQuizViewModel(this.eventAggregator, this.username, this.windowManager, eventRaised.quizID));
break;
case "MarkQuizList":
ActivateItem(new MarkListViewModel(this.eventAggregator, this.username));
break;
case "MarkQuizView":
ActivateItem(new ViewQuizViewModel(this.eventAggregator, this.markQuiz.username, this.markQuiz.quizID));
break;
}
}