public Faculty(string fromFile) : base(fromFile)
{
char[] delimiters = { '|', ',' };
string[] tokens = fromFile.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
contact = new FacultyContact(tokens[4], tokens[5]);
}
// add button click event handler
private void AddButton_Click(object sender, EventArgs e)
{
string badFieldName = null; // variable for bad field name
string adviceString = null; // variable for the advice string
if (!haveValidFirstName)
{
badFieldName = "First Name";
adviceString = "Enter First Name";
}
else if (!haveValidLastName)
{
badFieldName = "Last Name";
adviceString = "Enter Last Name";
}
else if (!haveValidAcademicDepartment)
{
badFieldName = "Academic Department";
adviceString = "Enter Academic Department";
}
else if (!haveValidEmailAddress)
{
badFieldName = "Email Address";
adviceString = "Enter Email Address";
}
else if (!haveValidOfficeBuilding)
{
badFieldName = "Office Building";
adviceString = "Enter Office Building";
}
if (badFieldName != null)
{
MessageBox.Show($"Invalid {badFieldName}.\n{adviceString}", "Data Entry Error");
return;
}
// assign faculty contact object
FacultyContact = new FacultyContact(emailAddressTextBox.Text.Trim(),
officeLocationBuildingTextBox.Text.Trim());
DialogResult = DialogResult.OK;
}
// function to check if the contact object is null
public static bool isNull(FacultyContact contact)
{
return((contact == null) ? true : false);
}
// constructors
public Faculty(string fname, string lname, string department, FacultyContact fc, string type) :
base(fname, lname, department, type)
{
contact = (!FacultyContact.isNull(fc)) ? fc :
throw new ArgumentException("Null value is unaccepted");
}