private void LoadQrCode_Click(object sender, RoutedEventArgs e)
{
var dialog = new OpenFileDialog
{
Filter = "IMG Files| *.jpg;*jpeg;*png",
ValidateNames = true,
Multiselect = false
};
var dr = dialog.ShowDialog();
if (dr.HasValue && dr.Value)
{
try
{
this.Code.Text = Decode(dialog.FileName).Text;
if (!Qr.IsValid(this.Code.Text))
{
this.ErrorHint.Content = "Please enter valid uri.";
this.ErrorHint.Visibility = Visibility.Visible;
}
else
{
this.ErrorHint.Visibility = Visibility.Hidden;
}
}
catch (Exception ex)
{
this.ErrorHint.Visibility = Visibility.Visible;
this.ErrorHint.Content = ex.Message;
}
}
}
public void RemoveQr(Qr qr)
{
lock (_lock)
{
if (qrs.RemoveQr(qr))
{
Save();
}
}
}
public void AddQr(Qr qr)
{
lock (_lock)
{
if (qrs.AddQr(qr))
{
Save();
}
}
}
private void Save_Click(object sender, RoutedEventArgs e)
{
if (!Qr.IsValid(this.Code.Text))
{
this.ErrorHint.Content = "Please enter valid uri.";
this.ErrorHint.Visibility = Visibility.Visible;
return;
}
DB.Instance.AddQr(new Qr(this.Code.Text));
this.Close();
}