//------------------------------ EVENTHANDLERS --------------------------------------------------------
/**
* Creates a new customer.
*/
private void AddCustomerButton_Click(object sender, RoutedEventArgs e)
{
// Hide all error labels.
HideInteractionLabels();
// Initialize new property variables.
string name = "";
string address = "";
string email = "";
string username = "******"; // Default value.
string password = "******"; // Default value.
// Get input from TextBoxes.
string Name = TxtBoxName.Text;
string Address = TxtBoxAddress.Text;
string Email = TxtBoxEmail.Text;
string Username = TxtBoxUsername.Text;
string Password = PasswordBox.Password;
// Counts errors.
int errorCounter = 0;
// Check if name is set, validate and set new value or show error.
if (NameIsSet(Name))
{
if (_context.VerifyName(Name))
{
name = Name;
}
else
{
// Name is not valid.
SetErrorLabel(NameErrorLabel, "Navnet er ugyldigt.");
errorCounter++;
}
}
else
{
// Name is not set.
SetErrorLabel(NameErrorLabel, "Indtast venligst et navn.");
errorCounter++;
}
// See if address is set and set new value or show error.
if (AddressIsSet(Address))
{
address = Address;
}
else
{
// Address is not set.
SetErrorLabel(AddressErrorLabel, "Indtast venligst en adresse.");
errorCounter++;
}
// See if email is set, validate and set new value or show error.
if (EmailIsSet(Email))
{
if (_context.VerifyEmail(Email))
{
email = Email;
}
else
{
// Email is not valid.
SetErrorLabel(EmailErrorLabel, "E-mailadressen er ugyldig.");
errorCounter++;
}
}
else
{
// Email is not set.
SetErrorLabel(EmailErrorLabel, "Indtast venligst en e-mailadresse.");
errorCounter++;
}
// If both the username and the password are set, validate the values
// and set new values or show errors.
if (UsernameIsSet(Username) && PasswordIsSet(Password))
{
if (_context.VerifyUsername(Username))
{
username = Username;
}
else
{
// The username is too long.
SetErrorLabel(UsernameErrorLabel, "Brugernavnet må højest indeholde 25 tegn.");
errorCounter++;
}
if (_context.VerifyPassword(Password))
{
password = Password;
}
else
{
// The password does not meet the length requirements.
SetErrorLabel(PasswordErrorLabel, "Kodeordet skal indeholde 8 - 20 tegn.");
errorCounter++;
}
}
// One of the login informations is set, but not the other.
else if (!UsernameIsSet(Username) && PasswordIsSet(Password) || UsernameIsSet(Username) && !PasswordIsSet(Password))
{
// Username is not set.
if (!UsernameIsSet(Username))
{
SetErrorLabel(UsernameErrorLabel, "Opret login ved at udfylde loginfelterne.");
errorCounter++;
}
// Password is not set.
else if (!PasswordIsSet(Password))
{
SetErrorLabel(PasswordErrorLabel, "Opret login ved at udfylde loginfelterne.");
errorCounter++;
}
}
// If there are no errors, create a new customer, add
// it to the database, save it and close the window.
// If successful, show label with confirmation and
// the new customer on MainWindow.
if (errorCounter == 0)
{
// Create and save new customer.
Customer customer = new Customer(name, address, email, username, password);
_context.Customers.Add(customer);
_context.SaveChanges();
// Reset search textbox in main.
ResetSearchTxtBox();
// Set and show SearchErrorLabel as InfoLabel in main.
SetLabelGreenText(_mainWinLbl, "En ny kunde blev oprettet.");
// Set datacontext in customergrid, reset listbox and show EditButton in main.
_mainWinGrid.DataContext = customer;
_mainWinBookingsList.ItemsSource = null;
_mainWinEditButton.Visibility = Visibility.Visible;
// Hide this window.
this.Hide();
}
}
/**
* If button text is "Rediger Kunde", show edit customer elements.
* If button text is "Gem ændringer", get the customer and explore
* edit textboxes and passwordbox for relevant changes. If relevant
* changes have been made, the changes are saved in the database
* and CustomerInfoGrid is updated to show changes.
* Otherwise sets InfoLabels text and shows error message.
*/
private void EditCustomerButton_Click(object sender, RoutedEventArgs e)
{
// Set EditErrorLabel to default error content.
EditErrorLabel.Content = "Fejl.";
// Hide all error/confirmation labels.
HideInteractionLabels();
// Get button text.
// Checking whether it is the edit or the save
// functionality that needs to be executed.
string text = EditButton.Content.ToString();
// Edit functionality executes.
if (text == "Rediger Kunde")
{
ShowEditCustomerElements();
}
// Save functionality executes.
if (text == "Gem Ændringer")
{
// Get id fom binded label.
string id = CustomerId.Content.ToString();
// Get customer from database.
Customer customer = _context.GetCustomerByString(id);
// Count number of changes.
int changesCounter = 0;
// Property changes booleans.
bool nameBool = false;
bool addressBool = false;
bool emailBool = false;
bool usernameBool = false;
bool passwordBool = false;
// Current values.
string currentName = CustomerName.Content.ToString();
string currentAddress = CustomerAddress.Content.ToString();
string currentEmail = CustomerEmail.Content.ToString();
string currentUsername = CustomerUsername.Content.ToString();
string currentPassword = CustomerPassword.Content.ToString();
// Textbox text values.
string nameValue = TxtBoxCustomerName.Text;
string addressValue = TxtBoxCustomerAddress.Text;
string emailValue = TxtBoxCustomerEmail.Text;
string usernameValue = TxtBoxCustomerUsername.Text;
string passwordValue = CustomerPassBox.Password;
/**
* Examining textboxes and the passwordbox to see if text has changed
* to something useful. If there are changes, the property boolean
* is set to true and the changescounter is incremented.
*/
if (NameHasChanged(currentName, nameValue))
{
nameBool = true;
changesCounter++;
}
if (AddressHasChanged(currentAddress, addressValue))
{
addressBool = true;
changesCounter++;
}
if (EmailHasChanged(currentEmail, emailValue))
{
emailBool = true;
changesCounter++;
}
if (UsernameHasChanged(currentUsername, usernameValue))
{
usernameBool = true;
changesCounter++;
}
if (PasswordHasChanged(currentPassword, passwordValue))
{
passwordBool = true;
changesCounter++;
}
// For each of the properties, if there is a
// change, verify new value and set customer
// property if validation was succesful.
if (changesCounter > 0)
{
// Counts errors.
int errorCounter = 0;
// If name has changed, verify new name
// and set new value or set error.
if (nameBool)
{
if (_context.VerifyName(nameValue))
{
customer.Name = nameValue;
}
else
{
EditErrorLabel.Content = "Navnet er ugyldigt.";
errorCounter++;
}
}
// If address has changed, set new value.
if (addressBool)
{
customer.Address = addressValue;
}
// If email has changed, verify new email
// and set new value or set error.
if (emailBool)
{
if (_context.VerifyEmail(emailValue))
{
customer.Email = emailValue;
}
else
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "E-mailaddressen er ugyldig.";
errorCounter++;
}
}
}
// If the customer does not have a login.
if (!_context.HasLogin(customer))
{
// Both username and password have changes.
if (usernameBool && passwordBool)
{
// Verify username and set new value or set error.
if (_context.VerifyUsername(usernameValue))
{
customer.Username = usernameValue;
}
else
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "Brugernavnet må højest indeholde 25 tegn.";
errorCounter++;
}
}
// Verify Password and set new value or set error.
if (_context.VerifyPassword(passwordValue))
{
customer.Password = passwordValue;
}
else
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "Kodeordet skal indeholde 8 - 20 tegn.";
errorCounter++;
}
}
}
// Set errror, if customer does not have a login
// and only one of the login fields are filled.
if (usernameBool && !passwordBool || !usernameBool && passwordBool)
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "Opret login ved at udfylde loginfelterne.";
errorCounter++;
}
}
}
// If the customer does have a login.
if (_context.HasLogin(customer))
{
// If username has changed, verify new
// username and set new value or set error.
if (usernameBool)
{
if (_context.VerifyUsername(usernameValue))
{
customer.Username = usernameValue;
}
else
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "Brugernavnet må højest indeholde 25 tegn.";
errorCounter++;
}
}
}
// If password has changed, verify new password
// and set new value or set error.
if (passwordBool)
{
if (_context.VerifyPassword(passwordValue))
{
customer.Password = passwordValue;
}
else
{
// If there already is an error above, don't show this one yet.
// If there are no errors above this one, show this error.
if (IsDefaultError(EditErrorLabel))
{
EditErrorLabel.Content = "Kodeordet skal indeholde 8 - 20 tegn.";
errorCounter++;
}
}
}
}
// If there are any errors, reset properties and show error.
if (errorCounter != 0)
{
EditErrorLabel.Visibility = Visibility.Visible;
SetLabelRedText(InfoLabel, "Ingen ændringer blev gemt.");
ShowEditCustomerElements();
// Reset customer properties.
customer.Name = currentName;
customer.Address = currentAddress;
customer.Email = currentEmail;
customer.Username = currentUsername;
customer.Password = currentPassword;
}
// If there are no errors, save the changes.
if (errorCounter == 0)
{
EditErrorLabel.Visibility = Visibility.Collapsed;
HideEditCustomerElements();
if (changesCounter == 1)
{
SetLabelGreenText(InfoLabel, "Ændringen blev gemt.");
}
else
{
SetLabelGreenText(InfoLabel, "Ændringerne er blevet gemt.");
}
// SAVE changes to database.
_context.SaveChanges();
}
// Update CustomerGrid to show new values.
CustomerGrid.DataContext = null;
CustomerGrid.DataContext = customer;
}
else
{
SetLabelRedText(InfoLabel, "Der blev ikke gemt nogen ændringer.");
HideEditCustomerElements();
}
}
}
