private void btnCancel_Click(object sender, EventArgs e)
{
if (toEdit != null)
{
toEdit = null;
Disable();
Clear();
}
}
public void DeleteStudiesType(StudiesTypeEdit toEdit)
{
StudiesType s = this.repository.GetStudiesType(toEdit.StudiesTypeName);
if (s != null && s.Plans.Count > 0)
throw new UpdateException("Nie można usunąć typu studiów,\nponieważ posiada powiązania");
else
{
this.repository.DeleteStudiesType(s);
}
}
public StudiesTypeEdit GetStudiesTypeEdit(string studiesTypeName)
{
StudiesType s = this.GetStudiesType(studiesTypeName);
if (s != null)
{
StudiesTypeEdit ss = new StudiesTypeEdit()
{
StudiesTypeID = s.StudiesTypeID,
StudiesTypeName = s.Name
};
return ss;
}
return null;
}
public bool EditStudiesType(StudiesTypeEdit toEdit)
{
if (toEdit != null)
{
StudiesType st = this.repository.GetStudiesType(toEdit.StudiesTypeName);
if (st != null && st.StudiesTypeID != toEdit.StudiesTypeID && st.Name.ToLower().Equals(toEdit.StudiesTypeName.ToLower()))
toEdit.AddError("Typ studiów o takiej nazwie\njuż istnieje");
if (toEdit.IsValid)
{
st = this.repository.GetStudiesType(toEdit.StudiesTypeID);
st.Name = toEdit.StudiesTypeName;
this.repository.EditStudiesType(st);
return true;
}
}
return false;
}
private void listStudiesTypes_DoubleClick(object sender, EventArgs e)
{
lblValidation.Text = string.Empty;
if (listStudiesTypes.SelectedIndex >= 0)
{
StudiesTypeEdit studiesType = StudiesTypeController.Instance.GetStudiesTypeEdit(listStudiesTypes.SelectedItem.ToString());
if (studiesType != null)
{
toEdit = studiesType;
Enable();
tbNewStudiesTypeName.Text = studiesType.StudiesTypeName;
}
else
{
lblValidation.Text = "Typ studiów nie istnieje nie istnieje";
toEdit = null;
}
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
lblValidation.Text = string.Empty;
if (toEdit != null)
{
try
{
StudiesTypeController.Instance.DeleteStudiesType(toEdit);
FillWithStudiesTypes();
toEdit = null;
Disable();
Clear();
changes = true;
}
catch (UpdateException ex)
{
lblValidation.Text = ex.Message;
}
}
}
