public void DeleteFaculty(FacultyEdit toEdit)
{
Faculty f = this._repository.GetFaculty(toEdit.FacultyName);
if (f != null && (f.Plans.Count > 0 || f.SubjectsDatas.Count > 0 || f.Specializations.Count > 0))
throw new UpdateException("Nie można usunąć kierunku,\nponieważ posiada powiązania");
else
{
this._repository.DeleteFaculty(f);
}
}
private void btnDepartamentsMngmt_Click(object sender, EventArgs e)
{
if (new Departaments().ShowDialog() == DialogResult.Yes)
{
FillWithDepartaments();
Clear();
toEdit = null;
Disable();
}
}
public FacultyEdit GetFacultyEdit(string facultyName)
{
Faculty f = this.GetFaculty(facultyName);
f.Departaments.Load();
if (f != null)
{
FacultyEdit ff = new FacultyEdit()
{
FacultyName = f.Name,
FacultyID = f.FacultyID,
Departaments = f.Departaments
};
return ff;
}
return null;
}
public bool EditFaculty(FacultyEdit toEdit)
{
if (toEdit != null)
{
Faculty f = this._repository.GetFaculty(toEdit.FacultyName);
if (f != null && f.FacultyID != toEdit.FacultyID && f.Name.Equals(toEdit.FacultyName))
toEdit.AddError("Kierunek o takiej nazwie już istnieje");
if (toEdit.IsValid)
{
f = this._repository.GetFaculty(toEdit.FacultyID);
f.Name = toEdit.FacultyName;
f.Departaments.Clear();
foreach (Departament d in toEdit.Departaments)
f.Departaments.Add(d);
this._repository.EditFaculty(f);
return true;
}
}
return false;
}
private void btnCancel_Click(object sender, EventArgs e)
{
if (toEdit != null)
{
toEdit = null;
Disable();
Clear();
lblValidation.Text = string.Empty;
}
}
private void listFaculties_DoubleClick(object sender, EventArgs e)
{
lblValidation.Text = string.Empty;
if (listFaculties.SelectedIndex >= 0)
{
FacultyEdit faculty = FacultyController.Instance.GetFacultyEdit(listFaculties.SelectedItem.ToString());
if (faculty != null)
{
toEdit = faculty;
Enable();
tbNewFacultyName.Text = faculty.FacultyName;
for (int i = 0; i < clbDepartaments.Items.Count; i++)
clbDepartaments.SetItemChecked(i, false);
foreach (Departament d in toEdit.Departaments)
{
for (int i = 0; i < clbDepartaments.Items.Count; i++)
if (d.Name.Equals(clbDepartaments.Items[i].ToString()))
{
clbDepartaments.SetItemChecked(i, true);
break;
}
}
}
else
{
lblValidation.Text = "Kierunek nie istnieje";
toEdit = null;
}
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
lblValidation.Text = string.Empty;
if (toEdit != null)
{
try
{
FacultyController.Instance.DeleteFaculty(toEdit);
FillWithFaculties(null);
cbDepartamentFilter.SelectedIndex = 0;
toEdit = null;
Disable();
Clear();
changes = true;
}
catch (UpdateException ex)
{
lblValidation.Text = ex.Message;
}
}
}
