protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
RijksDataModel model = DataService.LoadData();
ModelUpdated(model);
}
private void ModelUpdated(RijksDataModel model)
{
if (model != null)
{
this.DataContext = model;
_model = model;
}
}
public static RijksDataModel LoadData()
{
RijksDataModel model = IsolatedStorageCacheManager <RijksDataModel> .Retrieve("RijksDataModel.xml");
if (model == null || (DateTime.Now.Date - model.ReadDate.Date) >= new TimeSpan(2, 0, 0))
{
UpdateData();
}
return(model);
}
void ReadCallback(IAsyncResult asynchronousResult)
{
try
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
using (StreamReader streamReader1 = new StreamReader(response.GetResponseStream()))
{
string resultString = streamReader1.ReadToEnd();
System.Xml.Linq.XElement MyXElement = System.Xml.Linq.XElement.Parse(resultString);
DataModel = new RijksDataModel
{
Exension = MyXElement.Element("config").Elements("image").Attributes("extension").First().Value,
Path = MyXElement.Element("config").Elements("image").Attributes("path").First().Value,
ArtistId = MyXElement.Element("artobject").Elements("artist").Attributes("id").First().Value,
ArtistName = MyXElement.Element("artobject").Elements("artist").First().Value,
CreationDate = MyXElement.Element("artobject").Elements("creationdate").Attributes("value").First().Value,
Description = MyXElement.Element("artobject").Elements("description").First().Value,
Link = MyXElement.Element("artobject").Elements("link").Attributes("href").First().Value,
ObjectId = MyXElement.Element("artobject").Attributes("id").First().Value,
Title = MyXElement.Element("artobject").Elements("title").First().Value.ToLower(),
ReadDate = DateTime.Now
};
DataModel.Description = DataModel.Description.Replace("\r", string.Empty).Replace("\n", string.Empty);
}
}
catch (Exception e)
{
SmartDispatcher.BeginInvoke(delegate
{
if (ReadError != null)
{
ReadError(this, null);
}
});
}
SmartDispatcher.BeginInvoke(delegate
{
if (ReadFinished != null)
{
ReadFinished(this.DataModel);
}
});
}
private static void reader_ReadFinished(RijksDataModel model)
{
//Unsubscribe
reader.ReadFinished -= new ReadXmlService.ReadFinishedDelegate(reader_ReadFinished);
reader.ReadError -= new EventHandler(reader_ReadError);
if (DataAvailable != null)
{
DataAvailable(model);
}
if (EndLoad != null)
{
EndLoad(true);
}
SaveData(model);
}
private void ModelUpdated(RijksDataModel model)
{
if (model != null)
{
this.DataContext = model;
if (MainImage.Source == null)
{
ImageSource img = ImageCacheService.GetImage();
if (img != null)
{
MainImage.Source = img;
}
}
//BitmapImage image = new BitmapImage();
//image.ImageOpened += new EventHandler<RoutedEventArgs>(image_ImageOpened);
//image.UriSource = new Uri(url);
//MainImage.Source = image;
}
}
public ReadXmlService()
{
DataModel = new RijksDataModel();
}
public static void SaveData(RijksDataModel model)
{
IsolatedStorageCacheManager <RijksDataModel> .Store("RijksDataModel.xml", model);
}
