/// <summary>
/// Odebrat aktuální výrobek.
/// </summary>
private void btnRemove_Click(object sender, RoutedEventArgs e)
{
MessageBoxResult result = MessageBoxResult.Yes;
if (lbProducts.SelectedItem != null && (result == MessageBox.Show("Skutečně odstranit zvolenou položku? \n" + lbProducts.SelectedItem.ToString(), "Odstranění položky", MessageBoxButton.YesNo, MessageBoxImage.Question)))
{
ShoppingSession.DeleteItemFromShoppingCart(lbProducts.Items.IndexOf(lbProducts.SelectedItem));
tbPrice.Text = ShoppingSession.SumString;
lbProducts.Items.RemoveAt(lbProducts.Items.IndexOf(lbProducts.SelectedItem));
lbProducts.SelectedIndex = -1;
btnRemove.Visibility = Visibility.Hidden;
SetStornoButton();
}
}
/// <summary>
/// Tlačítko pro potvrzení zvoleného výrobku a jeho množství.
/// </summary>
private void btnEnter_Click(object sender, RoutedEventArgs e)
{
if (ShoppingSession.CurrentProduct == null)
{
int code = 0;
try
{
code = Convert.ToInt32(tbProductCode.Text);
}
catch
{
tbProductCode.Background = Brushes.LightPink;
return;
}
Product p = StorageSetup.GetProduct(code);
ShoppingSession.CurrentProduct = p;
if (p == null)
{
tbProductCode.Background = Brushes.LightPink;
return;
}
else
{
tbProductCode.ClearValue(TextBox.BackgroundProperty);
if (!ShoppingSession.CurrentProduct.priceForUnit)
{
tbProductCode.Text += " - " + StorageSetup.GetProductFullName(ShoppingSession.CurrentProduct);
}
else
{
tbProductCode.Text += " - " + ShoppingSession.CurrentProduct.name.Trim();
}
}
}
if (!_quantityFill)
{
tbQuantity.IsEnabled = true;
tbProductCode.IsEnabled = false;
tbQuantity.Focus();
_quantityFill = true;
if (ShoppingSession.CurrentProduct.priceForUnit)
{
lblQuantity.Content = "Množství (" + StorageSetup.GetProductUnitName(ShoppingSession.CurrentProduct) + ")";
}
else
{
lblQuantity.Content = "Množství";
}
}
else
{
decimal quantity = 0;
try
{
// Při účtování za kus není možné zadat desetinné číslo
if (!ShoppingSession.CurrentProduct.priceForUnit && !HelperClass.IsInteger(tbQuantity.Text))
{
throw new NotImplementedException();
}
quantity = Convert.ToDecimal(tbQuantity.Text);
// Nenulovost a nezápornost množství
if (quantity <= 0)
{
throw new NotImplementedException();
}
tbQuantity.ClearValue(TextBox.BackgroundProperty);
}
catch
{
tbQuantity.Background = Brushes.LightPink;
return;
}
decimal?price = quantity * ShoppingSession.CurrentProduct.price;
ShoppingSession.Sum += price;
string productDesc = null;
if (ShoppingSession.CurrentProduct.priceForUnit)
{
productDesc = ShoppingSession.CurrentProduct.name.Trim() + " " + quantity.ToString() + StorageSetup.GetProductUnitName(ShoppingSession.CurrentProduct) + " - " + ShoppingSession.CurrentProduct.price + " Kč/" + StorageSetup.GetProductUnitName(ShoppingSession.CurrentProduct) + " [Celkem: " + price.ToString() + " Kč]";
}
else
{
productDesc = StorageSetup.GetProductFullName(ShoppingSession.CurrentProduct) + " - " + ShoppingSession.CurrentProduct.price + " Kč/Kus " + "(" + tbQuantity.Text + "x)" + " [Celkem: " + price.ToString() + " Kč]";
}
lbProducts.Items.Add(productDesc);
ScrollToBottom(lbProducts);
ShoppingSession.AddItemToShoppingCart(ShoppingSession.CurrentProduct, quantity, productDesc, lbProducts.Items.Count - 1, price, StorageSetup.GetProductUnitName(ShoppingSession.CurrentProduct));
tbProductCode.Text = "";
tbQuantity.Text = "";
ShoppingSession.CurrentProduct = null;
_quantityFill = false;
tbQuantity.IsEnabled = false;
tbProductCode.IsEnabled = true;
tbProductCode.Focus();
tbPrice.Text = ShoppingSession.SumString;
lblQuantity.Content = "Množství";
}
SetStornoButton();
}
