// Utility function that customises a generic item
// Importantly, makes use of generics to reduce code bloat
// Takes the abstract EditWindow to actually use (determines the type)
private void EditData <T>(EditWindow <T> Wnd) where T : DataModel
{
// Show the window and store the close result
bool?Result = Wnd.ShowDialog();
// If closed succesfully, process the item
if (Result.HasValue && Result.Value)
{
// Acquire the (generic) item
T New = Wnd.GetItem();
if (New != null)
{
// Add the item to the relevant table
Type t = typeof(T);
using (DataRepository Repo = new DataRepository())
{
if (t == typeof(Booking))
{
Repo.Bookings.Add((Booking)(object)New);
}
else if (t == typeof(Class))
{
Repo.Classes.Add((Class)(object)New);
}
else if (t == typeof(Department))
{
Repo.Departments.Add((Department)(object)New);
}
else if (t == typeof(Room))
{
Repo.Rooms.Add((Room)(object)New);
}
else if (t == typeof(Student))
{
Repo.Users.Add((Student)(object)New);
}
else if (t == typeof(Subject))
{
Repo.Subjects.Add((Subject)(object)New);
}
else if (t == typeof(Teacher))
{
Repo.Users.Add((Teacher)(object)New);
}
else if (t == typeof(TimeSlot))
{
Repo.Periods.Add((TimeSlot)(object)New);
}
}
}
}
}