/**
* Search for customer with an id.
* If found show the data on the customer in CustomerGrid.
* If not found set ErrorLabels text and show error message.
*/
private void FindCustomerButton_Click(object sender, RoutedEventArgs e)
{
// Hide labels with errors and other info for the user.
HideInteractionLabels();
// Hide edit customer elements if need be.
if (EditButton.Content.ToString() == "Gem Ændringer")
{
HideEditCustomerElements();
// Set InfoLabels text to inform the user.
SetLabelGreenText(InfoLabel, "Der blev ikke gemt nogen ændringer.");
}
// Get text from search textbox.
string result = TxtBoxCustomerId.Text;
// Parse string text to int value.
if (int.TryParse(result, out int id))
{
// Search for customer in database.
Customer customer = _context.GetCustomer(id);
// If customer was found.
if (customer != null)
{
// Show customer info in customerGrid.
CustomerGrid.DataContext = customer;
// Sort and show customer bookings in listbox.
_context.SortBookings(customer.Bookings);
BookingListBox.ItemsSource = customer.Bookings;
EditButton.Visibility = Visibility.Visible;
ResetSearchTxtBox();
SetLabelGreenText(SearchErrorLabel, "Succes! Kunden blev fundet.");
}
else
{
SetLabelRedText(SearchErrorLabel, "Beklager, en kunde med det angivne id blev ikke fundet.");
ResetSearchTxtBox();
}
}
else
{
SetLabelRedText(SearchErrorLabel, "Indtast venligst et id bestående af tal.");
ResetSearchTxtBox();
}
}
//------------------------------ EVENTHANDLERS --------------------------------------------------------
/**
* This method has two functions, either it shows the elements needed to
* change the status or it changes and saves the status of the booking.
*/
private void EditStatusButton_Click(object sender, RoutedEventArgs e)
{
// Hide InfoLabel.
InfoLabel.Visibility = Visibility.Collapsed;
// Get EditButtons text to see, if it is the edit or
// the save functionality that should be executed.
string text = EditButton.Content.ToString();
// The edit functionality executes.
if (text == "Rediger Status")
{
ShowEditStatusElements();
}
// The save functionality executes.
if (text == "Gem Status")
{
// Get current status.
string current = Status.Content.ToString();
// Get selected item from ComboBox. Probably not the prettiest solution, but it works.
string selectedStatus = Combo.SelectedItem.ToString(); // System.Windows.Controls.ComboBoxItem: Udleveret
string status = selectedStatus.Split()[1]; // Udleveret
// Only change and save if there are any changes to make.
if (status != current)
{
// If a user tries to change a status from "Udleveret"
// to "Reserveret", an error is returned.
if (current == "Udleveret" && status == "Reserveret")
{
// Set and show InfoLabel as Error.
SetLabelRedText(InfoLabel, "Udlejningen er udleveret og kan derfor ikke reserveres.");
}
// If status is not the same as current and current
// is not "Udleveret", the status can be set.
else if (status == "Reserveret" || status == "Udleveret" || status == "Tilbageleveret")
{
// Save changes to database.
_booking.Status = status;
_context.SaveChanges();
// Update this datacontext.
DataContext = null;
DataContext = _booking;
// Update BookingsListBox in MainWindow.
List <Booking> bookings = new List <Booking>(_booking.Customer.Bookings);
_context.SortBookings(bookings);
_bookingListBox.ItemsSource = null;
_bookingListBox.ItemsSource = bookings;
SetLabelGreenText(InfoLabel, "Ændringen blev gemt.");
}
}
else
{
SetLabelRedText(InfoLabel, "Der blev ikke gemt nogen ændringer.");
}
HideEditStatusElements();
}
}