protected override async void OnNavigatedTo(NavigationEventArgs e)
{
goodsList.Clear();
try
{
List<GoodsInfo> list = e.Parameter as List<GoodsInfo>;
if (null != list)
{
goodsList = list;
}
Windows.Storage.StorageFolder storageFolder = ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile shoppingCartStorageFile = await storageFolder.GetFileAsync("ShoppingCart.xml");
XmlDocument doc = await Windows.Data.Xml.Dom.XmlDocument.LoadFromFileAsync(shoppingCartStorageFile);
IXmlNode root = null;
foreach (var item in doc.ChildNodes)
{
if (item.NodeName.Equals("goods"))
{
root = item;
break;
}
}
if (null != root)
{
foreach (var goods in root.ChildNodes)
{
if (goods.NodeName.Equals("item"))
{
string imgUrl = goods.SelectSingleNode("img").InnerText;
string singlePrice = goods.SelectSingleNode("price").InnerText;
string name = goods.SelectSingleNode("productName").InnerText;
string count = goods.SelectSingleNode("count").InnerText;
string imagename = goods.SelectSingleNode("imageName").InnerText;
bool exist = false;
foreach (var item in goodsList)
{
if (item.name.Equals(name) && item.imgUri.Equals(imgUrl))
{
item.count = item.count + Convert.ToInt32(count);
exist = true;
break;
}
}
if (!exist)
{
GoodsInfo info = new GoodsInfo();
StorageFile file = await StorageFile.GetFileFromPathAsync(imgUrl);
using (IRandomAccessStream fileStream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read))
{
BitmapImage image = new BitmapImage();
image.SetSource(fileStream);
info.img = image;
}
info.name = name;
info.price = singlePrice;
info.count = Convert.ToInt32(count);
info.imageName = imagename;
info.imgUri = imgUrl;
goodsList.Add(info);
}
}
}
}
int index = 0;
foreach (var item in goodsList)
{
ShopCartPanel panel = new ShopCartPanel();
panel.Picture = item.brush;
panel.GoodsName = item.name;
panel.PictureName = item.imageName;
panel.GoodsCount = item.count;
panel.Price = item.price;
panel.Name = item.imgUri + item.name;
panel.PictureURL = item.imgUri;
CheckBox check = new CheckBox();
if(null != checkboxStyle)
{
check.SetValue(StyleProperty,checkboxStyle);
}
check.Checked += CheckBox_Checked;
check.Unchecked += CheckBox_Unchecked;
panel.Check = check;
Button btnAdd = new Button();
btnAdd.Click += Add_Click;
Button btnDecrease = new Button();
btnDecrease.Click += Decrease_Click;
panel.ButtonAdd = btnAdd;
panel.ButtonDecrease = btnDecrease;
panel.PictureWith = PicWidth;
if(index > 0 && goodsPanels.ContainsKey(index - 1))
{
panel.SetValue(RelativePanel.RightOfProperty, goodsPanels[index - 1].Name);
}
else
{
panel.SetValue(RelativePanel.AlignLeftWithPanelProperty, true);
}
panel.SetValue(RelativePanel.AlignTopWithPanelProperty, true);
goods.Children.Add(panel);
goodsPanels.Add(index++,panel);
}
ResetPicturePanelPositon();
}
catch(Exception ex)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(ex.Message);
#endif
}
}