protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (journeyElementsLazyAsync == null)
{
ErrorReporting.Log("journeyElementsLazyAsync is null");
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
else
{
ErrorReporting.Log("Can not go back");
}
return;
}
if (journeyElementsLazyBlock != null)
{
if (journeyElements.ItemsSource == null)
{
journeyElementsLazyBlock.Refresh();
}
}
else
{
title.Text = trainTitle;
if (title.Text.Length > 40)
{
title.Text = title.Text.Replace(" to ", "\nto ");
}
journeyElementsLazyBlock = new LazyBlock <JourneyElement[]>(
"live progress",
"No information available",
journeyElementsLazyAsync,
items => items.Length == 0,
new LazyBlockUI <JourneyElement>(this, journeyElements, journeyElementsMessageTextBlock, journeyElementsLastUpdatedTextBlock),
Settings.GetBool(Setting.AutoRefresh),
null,
null,
null);
}
}
private void LoadArrivals()
{
if (arrivalsLazyBlock == null)
{
arrivalsLazyBlock = new LazyBlock <Arrival[]>(
"arrivals",
"No more trains today",
departuresAndArrivalsTable.GetArrivals(),
items => items.Length == 0,
new LazyBlockUI <Arrival>(this, arrivals, arrivalsMessageTextBlock, arrivalsLastUpdatedTextBlock),
Settings.GetBool(Setting.AutoRefresh),
null,
null,
null);
}
else if (arrivals.ItemsSource == null)
{
arrivalsLazyBlock.Refresh();
}
}