/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
// Allow saved page state to override the initial item to display
if (pageState != null && pageState.ContainsKey("SelectedItem"))
{
navigationParameter = pageState["SelectedItem"];
}
//if (AppSettings.CurrentUser != null)
//{
// currentUser.DataContext = AppSettings.CurrentUser;
// currentUser.Visibility = Windows.UI.Xaml.Visibility.Visible;
//}
// TODO: Create an appropriate data model for your problem domain to replace the sample data
var navParamAsArray = navigationParameter as Object[];
Photo item = null;
PhotoStream stream = null;
// If the details are passed in as the navigation parameter then we use that
if (navParamAsArray != null)
{
item = navParamAsArray[1] as Photo;
stream = navParamAsArray[0] as PhotoStream;
}
if (item != null && stream != null)
{
// store the stream and the current photo so that we can navigate back to this page
currentStream = stream;
this.DefaultViewModel["Group"] = stream.StreamPhotos;
flipView.SelectedItem = item;
currentItem = item;
GetPhotoDetails();
}
IsInSlideShow = false;
playSlideShow.Visibility = Windows.UI.Xaml.Visibility.Visible;
stopSlideShow.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
private void flipView_SelectionChanged_1(object sender, SelectionChangedEventArgs e)
{
if (AppSettings.HasInternetConnectivity)
{
commentsList.ItemsSource = null;
defaultUserImage.Visibility = Visibility.Visible;
currentItem = flipView.SelectedItem as Photo;
userImage.Visibility = Visibility.Collapsed;
PhotoStream stream = currentStream;
if (stream != null && stream.StreamPhotos.HasMoreItems &&
flipView.SelectedIndex + 5 >= stream.StreamPhotos.Count)
{
var noAwait = stream.StreamPhotos.LoadMoreItemsAsync(0);
}
SetCurrentPhotoDetails(null);
if (!IsInSlideShow)
{
// if in slide show mode we do not need to load the details
GetPhotoDetails();
}
}
else
{
this.Frame.Navigate(typeof(NoInternetPage));
}
}