/// <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)
{
SingleCollectionViewModel ctx = new SingleCollectionViewModel();
// TODO: Create an appropriate data model for your problem domain to replace the sample data
//var group = SampleDataSource.GetGroup((String)navigationParameter);
var collection = ctx.GetSingleCollection((int)navigationParameter);
this.DefaultViewModel["Group"] = collection;
this.DefaultViewModel["Items"] = collection.Albums;
var relevantMusic = new List<StorageFile>();
foreach (var album in collection.Albums)
{
var result = ctx.RelevantMusicCollection(album.album);
relevantMusic.AddRange(result);
}
SetLocalMedia(relevantMusic.FirstOrDefault());
if (pageState == null)
{
this.itemListView.SelectedItem = null;
// When this is a new page, select the first item automatically unless logical page
// navigation is being used (see the logical page navigation #region below.)
if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null)
{
this.itemsViewSource.View.MoveCurrentToFirst();
}
}
else
{
// Restore the previously saved state associated with this page
if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null)
{
var selectedItem = ctx.LastGetAlbum((String)pageState["SelectedItem"]);
this.itemsViewSource.View.MoveCurrentTo(selectedItem);
}
}
}
/// <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)
{
// new instance of the singlecollectionvm to return a single collection from last.fm api
SingleCollectionViewModel ctx = new SingleCollectionViewModel();
var collection = ctx.GetSingleCollection((int)navigationParameter);
this.DefaultViewModel["Group"] = collection;
this.DefaultViewModel["Items"] = collection.Albums;
var relevantMusic = new List<StorageFile>();
// checks the music collection on the user computer for relevant music files
foreach (var album in collection.Albums)
{
var result = ctx.RelevantMusicCollection(album.album);
relevantMusic.AddRange(result);
}
// plays the first in the list of relevant music
SetLocalMedia(relevantMusic.FirstOrDefault());
if (pageState == null)
{
this.itemListView.SelectedItem = null;
// When this is a new page, select the first item automatically unless logical page
// navigation is being used (see the logical page navigation #region below.)
if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null)
{
this.itemsViewSource.View.MoveCurrentToFirst();
}
}
else
{
// Restore the previously saved state associated with this page
if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null)
{
// retrieve the last album that was selected
var selectedItem = ctx.LastGetAlbum((String)pageState["SelectedItem"]);
this.itemsViewSource.View.MoveCurrentTo(selectedItem);
}
}
}