private async void Btn_startTrainer_Click(object sender, RoutedEventArgs e)
{
if (HasStarted)
{
TrainerCtrl.Stop();
((Button)sender).IsEnabled = false;
}
else
{
((Button)sender).Content = "Stop";
await StartAsync();
((Button)sender).Content = "Start";
}
}
private async Task StartAsync()
{
var dataFileName = Cmb_dataFileName.SelectedValue.ToString();
var pDataFileName = Cmb_processedDataFileName.SelectedValue.ToString();
var modelFileName = Txt_modelFileName.Text;
var testPDataFileName = Cmb_testDataFileName.SelectedValue.ToString();
if (string.IsNullOrWhiteSpace(dataFileName) || string.IsNullOrWhiteSpace(pDataFileName) ||
string.IsNullOrWhiteSpace(modelFileName) || string.IsNullOrWhiteSpace(testPDataFileName))
{
throw new InvalidOperationException("Carefully select all the required values");
}
try
{
EnableControls(false);
if (ModelFilesStorageCtrl.Exists(modelFileName))
{
throw new InvalidOperationException("FAE");
}
if (!DataFilesStorageCtrl.Exists(dataFileName))
{
throw new InvalidOperationException("DFDNE");
}
if (!DataFilesStorageCtrl.Exists(testPDataFileName))
{
throw new InvalidOperationException("TDFDNE");
}
if (dataFileName == testPDataFileName)
{
throw new InvalidOperationException("SameName");
}
TrainerCtrl.OnPhaseChangedEvent += OnTrainerPhaseChanged;
TrainerCtrl.OnPreprocessorChanged += OnPreprocessorChanged;
await TrainerCtrl.Start(options =>
{
options.DataFileName = dataFileName;
options.ProcessedDataFileName = pDataFileName;
options.MLModelFileName = modelFileName;
options.TestDataFileName = testPDataFileName;
});
}
catch (InvalidOperationException ex)
{
if (ex.Message == "FAE")
{
MessageBox.Show(
"ML file already exists. Use a different name",
"File already exists",
MessageBoxButton.OK,
MessageBoxImage.Stop);
}
else if (ex.Message == "DFDNE")
{
MessageBox.Show(
"Data file does not exists",
"File not found",
MessageBoxButton.OK,
MessageBoxImage.Stop);
}
else if (ex.Message == "TDFDNE")
{
MessageBox.Show(
"Test data file does not exists",
"File not found",
MessageBoxButton.OK,
MessageBoxImage.Stop);
}
else if (ex.Message == "SameName")
{
MessageBox.Show(
"Data file and the test data file cannot have the same name",
"File not found",
MessageBoxButton.OK,
MessageBoxImage.Stop);
}
else
{
MessageBox.Show("Unexpected error occured", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
catch (Exception ex)
{
MessageBox.Show("Unexpected error occured", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
EnableControls();
}
}