private void CreateListButton_Click(object sender, RoutedEventArgs e)
{
string guestCountText = guestCountTextbox.Text;
if (string.IsNullOrEmpty(guestCountText))
{
MessageBox.Show("Please enter total number of guests and costs per person, and click create a list");
}
else
{
string message;
var guestCount = Input.ParseIntegerInput(guestCountTextbox.Text, out message);
if (!NullCheckUtility.IsNotNull(guestCount))
{
MessageBox.Show(message);
}
else
{
party = new Party((int)guestCount);
string messageCostPerCapita;
double?costPerHead = Input.ReadDoubleFromWpfTextbox(costPerHeadTextbox.Text, out messageCostPerCapita);
if (!NullCheckUtility.IsNotNull(costPerHead))
{
MessageBox.Show(messageCostPerCapita);
}
else
{
party.CostPerCapita = (double)costPerHead;
createListButton.IsEnabled = false;
AddGuest.IsEnabled = true;
}
}
}
}
private void AddGuest_Click(object sender, RoutedEventArgs e)
{
if (!NullCheckUtility.IsNotNull(party))
{
MessageBox.Show("Please enter total number of guests and costs per person, and click create a list");
}
else
{
var firstname = ChristianNameTextbox.Text;
var lastname = surnameTextbox.Text;
if (!string.IsNullOrEmpty(firstname) && !string.IsNullOrEmpty(lastname))
{
string message;
var guestWasAddedToList = party.AddToGuestList(firstname, lastname, out message);
if (!guestWasAddedToList)
{
MessageBox.Show(message);
AddGuest.IsEnabled = false;
}
else
{
var guestlist = party.GetGuestList();
guestListListBox.Items.Clear();
foreach (var guest in guestlist)
{
guestListListBox.Items.Add(guest);
}
totalCostToDisplayAsLabel.Content = party.CostPerCapita * party.NumberOfGuests();
totalNumberOfGuestsToDisplayAsLabel.Content = party.NumberOfGuests();
changeButton.IsEnabled = true;
deleteButton.IsEnabled = true;
}
}
else
{
MessageBox.Show("Please enter a first and last name");
}
}
}
private void ChangeButton_Click(object sender, RoutedEventArgs e)
{
if (!NullCheckUtility.IsNotNull(party))
{
MessageBox.Show("Please enter total number of guests and costs per person, and click create a list");
}
else
{
var name = guestListListBox.SelectedItem;
index = guestListListBox.SelectedIndex;
var splitName = party.SplitName(name.ToString());
var firstname = splitName.Item2.ToLower().Trim();
var lastname = splitName.Item1.ToLower().Trim();
ChristianNameTextbox.Text = StringUtility.UppercaseFirst(firstname);
surnameTextbox.Text = StringUtility.UppercaseFirst(lastname);
updateButton.IsEnabled = true;
AddGuest.IsEnabled = false;
}
}
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
var removeGuest = guestListListBox.SelectedItem;
if (NullCheckUtility.IsNotNull(removeGuest))
{
var removeGuestIndex = guestListListBox.Items.IndexOf(removeGuest);
var removedFromGuestsList = party.RemoveGuests(removeGuestIndex);
Assert.IsTrue(removedFromGuestsList);
guestListListBox.Items.RemoveAt(removeGuestIndex);
guestListListBox.Items.Clear();
foreach (var guest in party.GetGuestList())
{
guestListListBox.Items.Add(guest);
}
totalCostToDisplayAsLabel.Content = party.CostPerCapita * party.NumberOfGuests();
totalNumberOfGuestsToDisplayAsLabel.Content = party.NumberOfGuests();
AddGuest.IsEnabled = true;
}
else
{
MessageBox.Show("Please select a guest");
}
}
