public void UpdateCourses(Course[] courses)
{
using (ClassAdministrationEntityContext context = new ClassAdministrationEntityContext(BUTEClassAdministrationService.Properties.Resources.connectionString))
{
foreach (var course in courses)
{
context.CourseSet.ApplyChanges(course);
}
context.SaveChanges();
}
}
public StudentViewModel(Semester selectedSemester, Course selectedCourse)
{
modify = false;
_student = new Student();
Name = "";
Neptun = "";
Semester = selectedSemester;
Course = selectedCourse;
insertStudentWindow = new InsertStudentWindow();
insertStudentWindow.DataContext = this;
insertStudentWindow.ShowDialog();
}
public StudentViewModel(Student selectedStudent, Semester selectedSemester, Course selectedCourse)
{
modify = true;
ModifyableStudent = selectedStudent;
_student = new Student();
_student.clone(selectedStudent);
Semester = selectedSemester;
Course = selectedCourse;
insertStudentWindow = new InsertStudentWindow();
insertStudentWindow.DataContext = this;
insertStudentWindow.ShowDialog();
}
private Group newGroup(ref List<Room>.Enumerator roomEnumerator, ref List<Instructor>.Enumerator instructorEnumerator, Course course)
{
Group group = new Group();
groupIndex++;
group.Index = groupIndex;
group.Course = course;
group.Semester = SelectedSemester;
if (!roomEnumerator.MoveNext())
{
throw new BUTEClassAdministrationException("Nincs elég terem a beosztáshoz");
}
group.Room = roomEnumerator.Current;
if (!instructorEnumerator.MoveNext())
{
throw new BUTEClassAdministrationException("Nincs elég gyakorlatvezető a beosztáshoz");
}
group.Instructor = instructorEnumerator.Current;
return group;
}
protected virtual void ClearNavigationProperties()
{
Course.Clear();
Group.Clear();
}
private void FixupCourse(Course previousValue)
{
if (IsDeserializing)
{
return;
}
if (previousValue != null && previousValue.Group.Contains(this))
{
previousValue.Group.Remove(this);
}
if (Course != null)
{
if (!Course.Group.Contains(this))
{
Course.Group.Add(this);
}
}
if (ChangeTracker.ChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("Course")
&& (ChangeTracker.OriginalValues["Course"] == Course))
{
ChangeTracker.OriginalValues.Remove("Course");
}
else
{
ChangeTracker.RecordOriginalValue("Course", previousValue);
}
if (Course != null && !Course.ChangeTracker.ChangeTrackingEnabled)
{
Course.StartTracking();
}
FixupCourseKeys();
}
}
