private void AddNewSubject(object sender, RoutedEventArgs e)
{
var addDialog = new Dialogs.AddModifySubjectDialog(_teacherRepository.GetAllTeachers().ToList());
addDialog.ShowDialog();
if (!addDialog.IsSelected)
{
return;
}
int insertedId = -1;
try
{
insertedId = _subjectRepository.AddNewSubject(addDialog.SelectedSubjectName, addDialog.SelectedTeacher.TeacherId, addDialog.SelectedSubjectDescription);
}
catch (SqlException ex)
{
if (ex.Number == 50005)
{
MessageBox.Show(ex.Message);
return;
}
}
_displayedSubjects.Add(new Subject()
{
SubjectId = insertedId,
SubjectDescription = addDialog.SelectedSubjectDescription,
TeacherId = addDialog.SelectedTeacher.TeacherId,
Name = addDialog.SelectedSubjectName
});
SubjectList.Items.Refresh();
AwailableSubjects.Items.Refresh();
}
private void ModifySubject(object sender, ExecutedRoutedEventArgs e)
{
var selectedSubject = SubjectList.SelectedItem as Subject;
if (selectedSubject == null)
{
return;
}
var modifySubjectDialog = new Dialogs.AddModifySubjectDialog(selectedSubject, _teacherRepository.GetAllTeachers().ToList());
modifySubjectDialog.ShowDialog();
if (!modifySubjectDialog.IsSelected)
{
return;
}
_subjectRepository.ModifySubject(selectedSubject.SubjectId,
modifySubjectDialog.SelectedSubjectName,
modifySubjectDialog.SelectedSubjectDescription,
modifySubjectDialog.SelectedTeacher.TeacherId);
var targetSubject = _displayedSubjects.First(subj => subj.SubjectId == selectedSubject.SubjectId);
targetSubject.Name = modifySubjectDialog.SelectedSubjectName;
targetSubject.SubjectDescription = modifySubjectDialog.SelectedSubjectDescription;
targetSubject.TeacherId = modifySubjectDialog.SelectedTeacher.TeacherId;
AwailableSubjects.Items.Refresh();
SubjectList.Items.Refresh();
}