public Task ShowAsync(object rawParameter)
{
CurrencyAddExchangeRateParameter parameter = (CurrencyAddExchangeRateParameter)rawParameter;
CurrencyExchangeRate dialog = new CurrencyExchangeRate(queryDispatcher);
dialog.TargetCurrency = parameter.TargetCurrency;
return(ShowInternalAsync(dialog, null));
}
private static void OnErrorMessageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CurrencyExchangeRate control = (CurrencyExchangeRate)d;
if (String.IsNullOrEmpty(control.ErrorMessage))
{
control.tblError.Text = String.Empty;
control.tblError.Visibility = Visibility.Collapsed;
}
else
{
control.tblError.Text = control.ErrorMessage;
control.tblError.Visibility = Visibility.Visible;
}
}
private async Task ShowInternalAsync(CurrencyExchangeRate dialog, string errorMessage)
{
dialog.ErrorMessage = errorMessage;
ContentDialogResult result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
await commandDispatcher.HandleAsync(new SetExchangeRate(
dialog.SourceCurrency,
dialog.TargetCurrency,
dialog.ValidFrom,
dialog.Rate
));
}
}
private async Task ShowInternalAsync(CurrencyExchangeRate dialog, string errorMessage)
{
dialog.ErrorMessage = errorMessage;
ContentDialogResult result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
try
{
// TODO: Not working after rewrite to commands.
await commandDispatcher.HandleAsync(new SetExchangeRate(
dialog.SourceCurrency,
dialog.TargetCurrency,
dialog.ValidFrom,
dialog.Rate
));
}
catch (CurrencyExchangeRateAlreadyExistsException)
{
await ShowInternalAsync(dialog, messageBuilder.CurrencyExchangeRateAlreadyExists());
}
}
}
private static void OnTargetCurrencyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CurrencyExchangeRate control = (CurrencyExchangeRate)d;
control.OnTargetCurrencyChanged();
}