/// <summary>
/// Standard WP7 method which is running always when user navigates to page.
/// </summary>
/// <param name="e">NavigationService argument</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string action = string.Empty;
if (NavigationContext.QueryString.TryGetValue("action", out action))
{
_viewModel = new ListOfNewSurveysViewModel();
_viewModel.List = App.AppDictionary["NewSurveys"] as ObservableCollection<SurveyBasicInfo>;
_viewModel.DownloadSurveysStatus.GoBackEventHandler += (object sender, EventArgs args) =>
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
NavigationService.GoBack();
});
};
_isNewPageInstance = false;
ListOfNewSurveysBox.DataContext = _viewModel.List;
Status.DataContext = _viewModel.DownloadListStatus;
if (action == "downloadNewSurveys")
OnDownloadSurveys(null, null);
}
if (_isNewPageInstance)
{
_viewModel = new ListOfNewSurveysViewModel();
_viewModel.DownloadListStatus.PropertyChanged += (object sender, PropertyChangedEventArgs args) =>
{
if (args.PropertyName.Equals("IsDownloadButtonEnabled"))
_appBarDownload.IsEnabled = _viewModel.DownloadListStatus.IsDownloadButtonEnabled;
};
MessageView.AssignDisplay(_viewModel.DownloadListStatus.Message);
MessageView.AssignDisplay(_viewModel.DownloadSurveysStatus.Message);
_viewModel.DownloadSurveysStatus.GoBackEventHandler += (object sender, EventArgs args) =>
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
NavigationService.GoBack();
});
};
if ((Application.Current as App).ApplicationState == App.AplicationStates.Activated)
{
if (!string.IsNullOrEmpty((Application.Current as com.comarch.mobile.ndg.App).ApplicationDataObject))
{
_viewModel.Operations.StateDictionaryData = (Application.Current as com.comarch.mobile.ndg.App).ApplicationDataObject;
}
(Application.Current as App).ApplicationState = App.AplicationStates.Runing;
}
else
{
_viewModel.Operations.CheckForNewSurveys();
}
ListOfNewSurveysBox.DataContext = _viewModel.List;
Status.DataContext = _viewModel.DownloadListStatus;
BusyIndicator.DataContext = _viewModel.DownloadListStatus.ProgressBar;
_isNewPageInstance = false;
}
}
private void CheckNewSurvey()
{
if (OperationsOnSettings.Instance.AutoCheckNewSurvey && _isNewPageInstance)
{
ListOfNewSurveysViewModel newSurveyViewModel = new ListOfNewSurveysViewModel();
newSurveyViewModel.Operations.CheckForNewSurveys();
newSurveyViewModel.DownloadListStatus.Message.DialogBoxEvent += (object sender, EventArgs args) =>
{
//don't display message if server not found
if ((newSurveyViewModel.DownloadListStatus.Message.Field != Languages.AppResources.checkForNewSurveyList_ServerNotFound) && (newSurveyViewModel.DownloadListStatus.Message.Field != Languages.AppResources.checkForNewSurveyList_ServerIncompleteResponse))
{
ShowDownloadCancelMessageBox messageBox = new ShowDownloadCancelMessageBox();
messageBox.Title = newSurveyViewModel.DownloadListStatus.Message.Field;
messageBox.Completed += (object snd, EventArgs arg) =>
{
if (App.AppDictionary.ContainsKey("NewSurveys"))
App.AppDictionary["NewSurveys"] = newSurveyViewModel.List;
else
App.AppDictionary.Add("NewSurveys", newSurveyViewModel.List);
if (((ShowDownloadCancelMessageBox)snd).Response == ShowDownloadCancelMessageBox.MessageResponse.Show) //show list of new surveys
NavigationService.Navigate(new Uri("/View/ListOfNewSurveysPage.xaml?action=showListOfSurveys", UriKind.Relative));
else if (((ShowDownloadCancelMessageBox)snd).Response == ShowDownloadCancelMessageBox.MessageResponse.Download) //download new surveys
NavigationService.Navigate(new Uri("/View/ListOfNewSurveysPage.xaml?action=downloadNewSurveys", UriKind.Relative));
};
messageBox.Show();
}
//server not found
else
{
MessageBox.Show(newSurveyViewModel.DownloadListStatus.Message.Field);
}
};
_isNewPageInstance = false;
}
}