private void Start()
{
System.Globalization.CultureInfo.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
ShopUtils.CreateFiles();
productList = ShopUtils.DeserializeProducts(ShopUtils.GetFilePath("Products.json"));
shoppingCart = ShopUtils.DeserializeProducts(ShopUtils.GetFilePath("Cart.json"));
couponList = Coupon.DeserializeCoupons();
#region Custom brushes
// declare a brushconverter to convert a hex color code string to a Brush color
BrushConverter brushConverter = new System.Windows.Media.BrushConverter();
Brush backgroundBrush = (Brush)brushConverter.ConvertFromString("#2F3136");
Brush listBoxBrush = (Brush)brushConverter.ConvertFromString("#36393F");
Brush textBoxBrush = (Brush)brushConverter.ConvertFromString("#40444B");
Brush expanderBrush = (Brush)brushConverter.ConvertFromString("#202225");
#endregion
// Set Window properties
Title = "Butiken";
Width = 900;
Height = 600;
WindowStartupLocation = WindowStartupLocation.CenterScreen;
// Changes the Window icon
Uri iconUri = new Uri("Images/Ica.png", UriKind.RelativeOrAbsolute);
this.Icon = BitmapFrame.Create(iconUri);
// Scrolling
ScrollViewer root = new ScrollViewer();
root.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
Content = root;
// Main grid definition
Grid mainGrid = new Grid();
root.Content = mainGrid;
mainGrid.RowDefinitions.Add(new RowDefinition());
// First column contains the shoppingcart and product assortment.
mainGrid.ColumnDefinitions.Add(new ColumnDefinition());
// The second column displays the selected product and upon payment displays the receipt
mainGrid.ColumnDefinitions.Add(new ColumnDefinition());
mainGrid.Background = backgroundBrush;
#region grid definiton for the Expander in leftGrid
Grid expanderCartGrid = new Grid();
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.RowDefinitions.Add(new RowDefinition());
expanderCartGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
expanderCartGrid.ColumnDefinitions.Add(new ColumnDefinition());
expanderCartGrid.ColumnDefinitions.Add(new ColumnDefinition());
TextBlock cartTextBlock = ShopUtils.CreateTextBlock("Varukorg", 18, TextAlignment.Center);
expanderCartGrid.Children.Add(cartTextBlock);
Grid.SetRow(cartTextBlock, 0);
Grid.SetColumn(cartTextBlock, 0);
Grid.SetColumnSpan(cartTextBlock, 2);
TextBlock discountTextBlock = ShopUtils.CreateTextBlock("Mata in rabattkod nedan", 12, TextAlignment.Center);
expanderCartGrid.Children.Add(discountTextBlock);
Grid.SetRow(discountTextBlock, 1);
Grid.SetColumn(discountTextBlock, 0);
Grid.SetColumnSpan(discountTextBlock, 1);
// A combobox to display available coupons to the user
couponComboBox = new ComboBox
{
HorizontalAlignment = HorizontalAlignment.Right,
Height = 18,
Margin = new Thickness(0, 5, 5, 5),
BorderThickness = new Thickness(0),
VerticalContentAlignment = VerticalAlignment.Top,
Padding = new Thickness(5, 1, 5, 0),
};
expanderCartGrid.Children.Add(couponComboBox);
Grid.SetRow(couponComboBox, 1);
Grid.SetColumn(couponComboBox, 1);
// add a default index at 0, can be selected to clear the couponTextBox.Text
couponComboBox.Items.Add("Dina rabattkoder");
couponComboBox.SelectedIndex = 0;
couponComboBox.SelectionChanged += AddToCouponTextBox;
// Adds all available coupons to the couponComboBox items from the couponList which recieves predetermined coupons from file
foreach (var coupon in couponList)
{
couponComboBox.Items.Add(coupon.Code + " " + (100 - Math.Round(coupon.Discount * 100, 0)) + "%");
}
// A textbox for the user to enter coupon codes
couponTextBox = new TextBox
{
Margin = new Thickness(5),
Background = textBoxBrush,
Foreground = Brushes.White,
BorderThickness = new Thickness(0),
FontWeight = FontWeights.SemiBold
};
expanderCartGrid.Children.Add(couponTextBox);
Grid.SetRow(couponTextBox, 2);
Grid.SetColumnSpan(couponTextBox, 1);
ShopUtils.CreateButton("Använd rabattkod", expanderCartGrid, 2, 2, 1, ValidateCoupon);
ShopUtils.CreateButton("Rensa varukorg", expanderCartGrid, row: 3, column: 0, columnspan: 1, ClearCartClick);
ShopUtils.CreateButton("Spara varukorg", expanderCartGrid, 3, 1, 1, SaveCartClick);
ShopUtils.CreateButton("Ta bort en vald produkt", expanderCartGrid, row: 4, column: 0, columnspan: 1, RemoveProductClick);
ShopUtils.CreateButton("Ta bort varje vald produkt", expanderCartGrid, 4, 1, 1, RemoveAllSelectedProductsClick);
// the cartListBox display all products in the shoppingCart list
cartListBox = new ListBox
{
Margin = new Thickness(5),
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
MaxHeight = 200,
MinHeight = 200,
Background = listBoxBrush,
Foreground = Brushes.White,
BorderThickness = new Thickness(0),
FontWeight = FontWeights.SemiBold
};
expanderCartGrid.Children.Add(cartListBox);
Grid.SetRow(cartListBox, 5);
Grid.SetColumnSpan(cartListBox, 2);
sumTextBlock = ShopUtils.CreateTextBlock("Varukorgens summa: 0 kr", 12, TextAlignment.Left);
expanderCartGrid.Children.Add(sumTextBlock);
Grid.SetRow(sumTextBlock, 6);
Grid.SetColumn(sumTextBlock, 0);
Grid.SetColumnSpan(sumTextBlock, 1);
ShopUtils.CreateButton("Till kassan", expanderCartGrid, 6, 1, 1, ShowReceipt);
#endregion
#region leftGrid definition
Grid leftGrid = new Grid();
mainGrid.Children.Add(leftGrid);
leftGrid.ColumnDefinitions.Add(new ColumnDefinition());
leftGrid.ColumnDefinitions.Add(new ColumnDefinition());
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
leftGrid.RowDefinitions.Add(new RowDefinition());
Grid.SetRow(leftGrid, 0);
Grid.SetColumn(leftGrid, 0);
// Expander definition, when expanded the expanderCartGrid will be displayed in the leftGrid
cartExpander = new Expander
{
// sets the expanders content to the expanderCartGrid defined above
Content = expanderCartGrid,
Header = "Din varukorg 0 kr",
FontWeight = FontWeights.SemiBold,
Foreground = Brushes.White,
Background = expanderBrush
};
leftGrid.Children.Add(cartExpander);
Grid.SetRow(cartExpander, 0);
Grid.SetColumn(cartExpander, 0);
// when expanded the cartExpander's columnspan increases to take up two columns and when collapsed shrinks to one column
cartExpander.Collapsed += DecreaseCartColumnSpan;
cartExpander.Expanded += IncreaseCartColumnSpan;
// Update the cartListBox in the Expander to add items from the shoppingCart list
UpdateCartListBox();
TextBlock products = ShopUtils.CreateTextBlock("Produkter", 18, TextAlignment.Center);
leftGrid.Children.Add(products);
Grid.SetRow(products, 1);
Grid.SetColumn(products, 0);
Grid.SetColumnSpan(products, 2);
TextBlock searchHeading = ShopUtils.CreateTextBlock("Sök efter produkt", 12, TextAlignment.Center);
leftGrid.Children.Add(searchHeading);
Grid.SetRow(searchHeading, 2);
Grid.SetColumn(searchHeading, 0);
Grid.SetColumnSpan(searchHeading, 2);
// A textbox definition where the user can input a search term
searchBox = new TextBox
{
Margin = new Thickness(5),
Background = textBoxBrush,
Foreground = Brushes.White,
BorderThickness = new Thickness(0),
FontWeight = FontWeights.SemiBold
};
leftGrid.Children.Add(searchBox);
Grid.SetRow(searchBox, 3);
Grid.SetColumnSpan(searchBox, 2);
// when the searchbox text changes the ShowSearch event will run
searchBox.TextChanged += ShowSearch;
// A combobox which displays available categories
categoryBox = new ComboBox
{
Margin = new Thickness(5),
BorderThickness = new Thickness(0),
FontWeight = FontWeights.SemiBold,
Height = 22,
};
leftGrid.Children.Add(categoryBox);
Grid.SetRow(categoryBox, 4);
Grid.SetColumn(categoryBox, 0);
Grid.SetColumnSpan(categoryBox, 2);
categoryBox.Items.Add("Välj kategori");
categoryBox.SelectedIndex = 0;
categoryList = ShopUtils.GenerateCategories(productList);
// adds categories to the categoryBox
foreach (string category in categoryList)
{
categoryBox.Items.Add(category);
}
categoryBox.SelectionChanged += ShowCategory;
ShopUtils.CreateButton("Lägg till vald produkt", leftGrid, row: 5, column: 0, columnspan: 2, AddProductToCart);
// Listbox definition, used to display the product assortment from the searchTermList
productListBox = new ListBox
{
Margin = new Thickness(5),
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
MaxHeight = 425,
Background = listBoxBrush,
Foreground = Brushes.White,
BorderThickness = new Thickness(0),
FontWeight = FontWeights.SemiBold
};
leftGrid.Children.Add(productListBox);
Grid.SetRow(productListBox, 6);
Grid.SetColumn(productListBox, 0);
Grid.SetColumnSpan(productListBox, 2);
// set the searchTerm to empty string in order to add every product from the productList upon start
UpdateProductListBox("");
// selecting an item in the listbox will display productinformation in the stackpanel to the right
productListBox.SelectionChanged += DisplaySelectedProduct;
#endregion
#region rightStackPanel definition
StackPanel rightStackPanel = new StackPanel();
mainGrid.Children.Add(rightStackPanel);
Grid.SetRow(rightStackPanel, 0);
Grid.SetColumn(rightStackPanel, 1);
productHeading = ShopUtils.CreateTextBlock("Välj produkt", 18, TextAlignment.Center, rightStackPanel);
productHeading.Margin = new Thickness(5, 30, 5, 32);
imageGrid = new Grid();
rightStackPanel.Children.Add(imageGrid);
// sets a startup image
currentImage = ShopUtils.CreateImage("Images/Ica.png", false);
imageGrid.Children.Add(currentImage);
productDescriptionHeading = ShopUtils.CreateTextBlock("", 16, TextAlignment.Center, rightStackPanel);
productDescription = ShopUtils.CreateTextBlock("", 12, TextAlignment.Center, rightStackPanel);
productDescription.FontWeight = FontWeights.Thin;
productDescription.Margin = new Thickness(30, 5, 30, 5);
#endregion
}
private void ShowReceipt(object sender, RoutedEventArgs e)
{
productHeading.Text = "Ditt kvitto";
productDescriptionHeading.Text = "Ditt köp har genomförts";
productDescription.Text = "Tack för att du handlar hos oss!";
// without clearing the imageGrid a picture would still be visible behind the datagrid
imageGrid.Children.Clear();
decimal sum = 0;
// DataGrid definition
DataGrid receiptDataGrid = new DataGrid
{
Margin = new Thickness(5),
MaxWidth = 450,
MinHeight = 300,
MaxHeight = 300,
BorderThickness = new Thickness(0)
};
// prevents the user from altering the receipt
receiptDataGrid.IsReadOnly = true;
// DataTable definition, which is the DataGrid's itemsource
DataTable receiptTable = new DataTable();
// add columns for the receipt datatable
receiptTable.Columns.Add(new DataColumn("Produkt", typeof(string)));
receiptTable.Columns.Add(new DataColumn("Antal", typeof(int)));
receiptTable.Columns.Add(new DataColumn("aPris", typeof(decimal)));
receiptTable.Columns.Add(new DataColumn("Rabatt", typeof(decimal)));
receiptTable.Columns.Add(new DataColumn("Summa", typeof(decimal)));
//if a discount code has been validated the loop will add a product to a new row for each product in the shoppingCart list displaying the total discount for each product and summarize the total discount and price
if (hasDiscount)
{
foreach (var product in shoppingCart)
{
decimal discount = product.Price - (product.Price * currentCoupon.Discount);
receiptTable.Rows.Add(new object[]
{
product.Title,
product.Count,
product.Price,
Math.Round(-discount * product.Count, 2),
Math.Round(product.Price * product.Count * currentCoupon.Discount, 2)
});
sum += product.Price * product.Count;
}
// adds a bottom row containing total discount and total price with discount
receiptTable.Rows.Add(new object[] { "Totalt", null, null, Math.Round(-(sum - (sum * currentCoupon.Discount)), 2), Math.Round((sum * currentCoupon.Discount), 2) });
}
//if no discount has been validated, the else statement set the discount values to null and present the products by adding a new row foreach product in the shoppingCart list
else
{
foreach (var product in shoppingCart)
{
receiptTable.Rows.Add(new object[]
{
product.Title,
product.Count,
product.Price,
null,
Math.Round(product.Price * product.Count, 2)
});
sum += product.Price * product.Count;
}
// adds a bottom row containing the total price
receiptTable.Rows.Add(new object[] { "Totalt", null, null, null, Math.Round(sum, 2) });
}
// sets the datagrids content to the datatable containing the products
receiptDataGrid.ItemsSource = receiptTable.DefaultView;
// displays the datagrid in the imageGrid in the StackPanel
imageGrid.Children.Add(receiptDataGrid);
Grid.SetRow(receiptDataGrid, 0);
Grid.SetColumn(receiptDataGrid, 0);
// reset the shopping cart
shoppingCart.Clear();
string path = ShopUtils.GetFilePath("Cart.json");
shoppingCart.Serialize(path);
currentCoupon = null;
hasDiscount = false;
couponComboBox.SelectedIndex = 0;
UpdateCartListBox();
}