public async Task HandleItemDeleted(OrderItemListView obj)
{
ContentDialogResult result = await this.messageDialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
this.DeletOrderItem(obj);
}
}
public void DeletOrderItem(OrderItemListView orderItem)
{
int index = this.OrderItems.IndexOf(orderItem);
this.OrderItems[index].ItemDeleteClicked -= this.HandleItemDeleted;
this.OrderItems.RemoveAt(index);
orderItem.Dispose();
RaisePropertyChanged("IsProceedEnabled");
}
private async void AddProduct(Product product)
{
this.decimalTextBox.Text = "1";
this.quantityDialog.Content = this.decimalTextBox;
this.quantityDialog.Title = "Enter quantity";
ContentDialogResult result = await this.ShowQuantityDialog();
if (result == ContentDialogResult.Primary)
{
TextBox input = (TextBox)quantityDialog.Content;
decimal.TryParse(input.Text, out decimal quantity);
if (quantity == 0)
{
quantity = 1;
}
if (quantity <= product.Quantity)
{
if (OrderItems.Any(p => p.OrderItem.ProductId == product.ProductId))
{
OrderItemListView existingItem = OrderItems.FirstOrDefault(p => p.OrderItem.ProductId == product.ProductId);
int index = OrderItems.IndexOf(existingItem);
existingItem.OrderItem.Quantity += quantity;
OrderItemListView orderItemListView = this.GetDuplicatedItem(existingItem);
OrderItems.RemoveAt(index);
OrderItems.Insert(index, orderItemListView);
}
else
{
OrderItemListView orderItem = new OrderItemListView
{
OrderItem = new OrderItem
{
Product = product,
ProductId = product.ProductId,
Quantity = quantity,
LineDiscount = 0,
SubTotal = this.GetSubTotal(product.SellingPrice, quantity, 0)
}
};
orderItem.ItemDeleteClicked += this.HandleItemDeleted;
OrderItems.Add(orderItem);
}
RaisePropertyChanged("OrderItems");
RaisePropertyChanged("IsProceedEnabled");
}
else
{
this.messageDialog.Content = "Insufficient quantity !";
await this.messageDialog.ShowAsync();
}
this.SearchText = product.Name;
}
this.SearchText = string.Empty;
}
private OrderItemListView GetDuplicatedItem(OrderItemListView oldOrderItem)
{
OrderItemListView orderItemListView = new OrderItemListView
{
OrderItem = new OrderItem
{
Product = oldOrderItem.OrderItem.Product,
ProductId = oldOrderItem.OrderItem.ProductId,
Quantity = oldOrderItem.OrderItem.Quantity,
LineDiscount = oldOrderItem.OrderItem.LineDiscount,
SubTotal = oldOrderItem.OrderItem.SubTotal
}
};
orderItemListView.OrderItem.SubTotal = this.GetSubTotal(orderItemListView.OrderItem.Product.SellingPrice, orderItemListView.OrderItem.Quantity, orderItemListView.OrderItem.LineDiscount);
orderItemListView.ItemDeleteClicked += this.HandleItemDeleted;
oldOrderItem.ItemDeleteClicked -= this.HandleItemDeleted;
return(orderItemListView);
}
private void HandleCellEditEnded(DataGridCellEditEndingEventArgs obj)
{
if (obj.EditingElement is TextBox textBox)
{
string value = textBox.Text;
if (decimal.TryParse(value, out decimal decimalValue))
{
Enum.TryParse(obj.Column.Tag.ToString(), out OrderColumnType orderColumnType);
int rowIndex = obj.Row.GetIndex();
OrderItemListView existingOrderItem = OrderItems[rowIndex];
existingOrderItem.OrderItem.GetType().GetProperty(orderColumnType.ToString()).SetValue(existingOrderItem.OrderItem, decimalValue);
var column = orderColumnType.ToString();
OrderItemListView updatedOrderItem = this.GetDuplicatedItem(existingOrderItem);
this.DeletOrderItem(existingOrderItem);
this.OrderItems.Insert(rowIndex, updatedOrderItem);
existingOrderItem.Dispose();
}
}
}
