private void lbxEmployees_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//clears each tbx each time a new employee is selected
tbxSalary.Clear();
tbxHoursWorked.Clear();
tbxHourlyRate.Clear();
//check which employee is selected
Employee selectedEmployee = lbxEmployees.SelectedItem as Employee;
//check to see if there is an employee selected
if (selectedEmployee != null)
{
//display employee's name
tbxFirstName.Text = selectedEmployee.FirstName;
tbxLastName.Text = selectedEmployee.LastName;
//check if selected employee is FullTimeEmployee or PartTimeEmployee
if (selectedEmployee is FullTimeEmployee)
{
//puts selected employee in new employee of correct derived class (FullTimeEmployee) so you can call the correct properties (Salary)
FullTimeEmployee selectedFTEmployee = selectedEmployee as FullTimeEmployee;
//checks fulltime radio button
rbFullTime.IsChecked = true;
//displays FullTimeEmployee's Salary
tbxSalary.Text = selectedFTEmployee.Salary.ToString();
//displays employees monthly pay by calling the class method
tblkCalcMonthlyPay.Text = ("€" + selectedFTEmployee.CalculateMonthlyPay().ToString("F"));
}
else if (selectedEmployee is PartTimeEmployee)
{
//puts selected employee in new employee of correct derived class (PartTimeEmployee) so you can call the correct properties (HoursWorked, HourlyRate)
PartTimeEmployee selectedPTEmployee = selectedEmployee as PartTimeEmployee;
//checks part time radio button
rbPartTime.IsChecked = true;
//display PartTimeEmployee's HoursWorked and HourlyRate
tbxHoursWorked.Text = selectedPTEmployee.HoursWorked.ToString();
tbxHourlyRate.Text = selectedPTEmployee.HourlyRate.ToString();
//displays employees monthly pay by calling the class method
tblkCalcMonthlyPay.Text = ("€" + selectedPTEmployee.CalculateMonthlyPay().ToString("F"));
}
}
}
public MainWindow()
{
InitializeComponent();
//makes both checkboxes checked upon initialization
cboxFullTime.IsChecked = true;
cboxPartTime.IsChecked = true;
//create objects
FullTimeEmployee em1 = new FullTimeEmployee("Jess", "Walsh", 50000);
FullTimeEmployee em2 = new FullTimeEmployee("Joe", "Murphy", 100000);
PartTimeEmployee em3 = new PartTimeEmployee("John", "Smith", 15, 10);
PartTimeEmployee em4 = new PartTimeEmployee("Jane", "Jones", 13, 15);
//add objects to list
employees.Add(em1);
employees.Add(em2);
employees.Add(em3);
employees.Add(em4);
//sort employees by LastName(uses IComparible)
employees.Sort();
}