void LoadFile()
{
string filename = Utils.GetFile();
if (filename.Length < 1)
{
return;
}
FileIsLoading = true;
try
{
worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
DataRepository repository
= new DataRepository(filename, DataSourceType.CSV);
repository.FileOpening += new DataRepository.FileProgressEventHandler(repository_UpdateProgress);
repository.FileLoading += new DataRepository.FileProgressEventHandler(repository_UpdateProgress);
repository.FileLoaded += new DataRepository.FileProgressEventHandler(repository_UpdateProgress);
worker.DoWork += delegate(object sender, DoWorkEventArgs args)
{
DataTable data = repository.GetAllData();
SessionColumnCollection collection = new SessionColumnCollection(data);
if (!sessionCollections.Contains(collection))
{
sessionCollections.Add(collection);
}
//need a better way to convert this collection to multithreaded oibservable
ObservableCollection <ISessionColumn> colClxn = new MultiThreadObservableCollection <ISessionColumn>();
foreach (SessionColumn sc in collection.Columns)
{
colClxn.Add(sc);
}
collection.Columns = colClxn;
if (MainWorkSpace != null)
{
this.Dispatcher.Invoke(DispatcherPriority.DataBind, new Action
(
delegate()
{
MainWorkSpace = new ProcessingViewModel(sessionCollections);
}));
}
FileIsLoading = false;
};
worker.RunWorkerAsync();
}
catch (Exception e)
{
throw e;
}
}
public FileViewModel()
{
MainWorkSpace = new ProcessingViewModel();
}
void ShowProcessingView()
{
ProcessingViewModel processingview = new ProcessingViewModel();
MainWorkSpace = processingview;
}
