/// <summary>
/// From PhoneApplicationPage.
/// Called when a page becomes the active page in a frame.
/// </summary>
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
string selectedIndex;
// check if navigation context contains selectedItem query string, if so get the value to obtain selected item index
if (NavigationContext.QueryString.TryGetValue("SelectedItem", out selectedIndex))
{
int selIndex = int.Parse(selectedIndex);
MusicCategoryModel model = ((App)Application.Current).MusicModel;
// set data context for the page
DataContext = model.GetModelForIndex(selIndex);
}
}
/// <summary>
/// Loads data for both, music and pictues models
/// </summary>
private void LoadDataForModels()
{
MediaLibrary library = new MediaLibrary();
List <Song> songs = new List <Song>();
foreach (var song in library.Songs)
{
songs.Add(song);
}
MusicModel = new MusicCategoryModel("Music", songs);
List <Picture> pictures = new List <Picture>();
foreach (var picture in library.Pictures)
{
pictures.Add(picture);
}
PicturesModel = new PicturesCategoryModel("Pictures", pictures);
}