private void RemoveDatabase_OnClick(object sender, RoutedEventArgs e)
{
var firstWarningMessageBox = new RemoveDataBaseMessageBox();
var decision = firstWarningMessageBox.Show();
if (decision)
{
var secondWarningMessageBox = new RemoveDatabaseWithBooksMessageBox();
var lastDecision = secondWarningMessageBox.Show();
if (lastDecision)
{
ResetDatabase();
Books.Clear();
ImportButton.Visibility = Visibility.Visible;
}
}
}
private void ImportData(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.ShowDialog();
var fileName = openFileDialog.FileName;
if (fileName == "")
{
return;
}
MainGrid.Visibility = Visibility.Collapsed;
BackgroundWorker worker = new BackgroundWorker {
WorkerReportsProgress = true
};
ImportButton.Visibility = Visibility.Hidden;
ImportGrid.Visibility = Visibility.Visible;
worker.DoWork += worker_DoWork;
worker.ProgressChanged += worker_ProgressChanged;
worker.RunWorkerCompleted += (o, args) => {
if (args.Result != null)
{
if (args.Result.GetType() == typeof(ImportException))
{
var messageBox = new RemoveDataBaseMessageBox();
var answer = messageBox.Show();
if (answer)
{
ResetDatabase();
}
ImportButton.Visibility = Visibility.Visible;
}
}
ImportGrid.Visibility = Visibility.Hidden;
MainGrid.Visibility = Visibility.Visible;
ResizeGridViewColumns(BooksGridView);
};
worker.RunWorkerAsync(argument: fileName);
}