/// <summary>
/// Standard WP7 method which is running always when user presses back key.
/// </summary>
/// <param name="e">NavigationService argument</param>
protected override void OnBackKeyPress(CancelEventArgs e)
{
if (_viewModel.DownloadListStatus.ProgressBar.IsEnabled)
{
_viewModel.Operations.Abort();
e.Cancel = true;
}
if (_downloader != null)
{
_downloader.Abort();
_viewModel.DownloadSurveysStatus.IsCanceled = true;
e.Cancel = true;
_downloader = null;
}
else if (!_viewModel.DownloadSurveysStatus.CanCancel)
{
MessageBox.Show(Languages.AppResources.listOfNewSurveysPage_TooLateInterrupt);
return;
}
base.OnBackKeyPress(e);
}
private void OnDownloadSurveys(object sender, EventArgs e)
{
if (_viewModel.DownloadSurveysStatus.ProgressBar.IsEnabled || _viewModel.DownloadListStatus.ProgressBar.IsEnabled)
{
MessageBox.Show(Languages.AppResources.listOfNewSurveysPage_DownloadingProgress);
return;
}
//else if (_viewModel.List.Count == 0)
//{
// MessageBox.Show(Languages.AppResources.listOfNewSurveysPage_NothingDownload);
// return;
//}
BusyIndicator.DataContext = _viewModel.DownloadSurveysStatus.ProgressBar;
_downloader = new DownloadNewSurveys(_viewModel.Operations, new List<SurveyBasicInfo>(_viewModel.List), _viewModel.DownloadSurveysStatus);
_downloader.Download();
//_viewModel.List.Clear();
}