/// <summary>
/// Initializes a new instance of the <see cref="GradingViewModel"/> class.
/// </summary>
public GradingViewModel()
{
this.Gradings = new ObservableCollection <GradingModel>();
this.fileDialogService = new FileDialogService();
this.messageBoxService = new MessageBoxService();
this.examRating = new ExamRatingDTO();
this.students = new List <StudentDTO>();
}
/// <summary>
/// Initializes a new instance of the <see cref="StatisticViewModel"/> class.
/// </summary>
public StatisticViewModel()
{
this.fileDialogService = new FileDialogService();
this.messageBoxService = new MessageBoxService();
this.gradings = new List <GradingModel>();
this.gradeRatings = new List <GradeRatingDTO>();
this.examRating = new ExamRatingDTO();
this.statistics = new List <StatisticModel>();
}
private void SaveRating()
{
ExamRatingDTO examRatingModel = new ExamRatingDTO
{
ExamName = this.ExamName,
NumberOfProblems = this.numberOfProblems,
PointsPerGrade = this.gradeRatings.ToList(),
PointsPerProblems = this.problems.ToList(),
TotalPoints = this.totalPoints
};
this.fileDialogService.OpenSaveFileDialog(examRatingModel);
}
private void LoadExamRating()
{
this.messageBoxService.ShowInfoMessage(
"Please Select a XML-File containing the Exam Ratings.",
"Select a Exam Rating File.");
try
{
this.examRating = this.fileDialogService.OpenLoadFileDialog <ExamRatingDTO>();
}
catch (InvalidOperationException ex)
{
this.messageBoxService.ShowErrorMessage("Please select a correct Exam Rating File.", ex);
}
}
