/// <summary>
/// Create a gallery item to represent a file.
/// This method may return null if it decides to not include this file.
/// </summary>
private ThumbnailCommand CreateFileGalleryItem(IModelItemOwner owner, FileInfo info)
{
// Only list WMA and MP3 file types
string extension = FilterExtension(info.Extension);
if ((extension != "wma") && (extension != "mp3"))
{
return(null);
}
// Create the command
ThumbnailCommand item = new ThumbnailCommand(owner);
item.Description = info.Name;
item.Metadata = extension;
item.Image = fileImage;
item.Data["Path"] = info.FullName;
// Hook up the invoked handler
item.Invoked += delegate(object sender, EventArgs args)
{
ThumbnailCommand invokedFile = (ThumbnailCommand)sender;
string path = (string)invokedFile.Data["Path"];
//
// When invoked play the audio file
//
if (Application.Current.MediaCenterEnvironment != null)
{
// Play
Application.Current.MediaCenterEnvironment.PlayMedia(MediaType.Audio, path, true);
// Display a notification that will time out.
Application.Current.MessageBox(Z.Resources.Music_PlayDialog_Text, invokedFile.Description, 4, false);
}
else
{
Debug.WriteLine("Play " + path);
}
};
return(item);
}
/// <summary>
/// Create a gallery item to represent a directory.
/// </summary>
private ThumbnailCommand CreateDirectoryGalleryItem(IModelItemOwner owner, DirectoryInfo info)
{
// Create the command
ThumbnailCommand item = new ThumbnailCommand(owner);
item.Description = info.Name;
item.Image = directoryImage;
item.Data["Path"] = info.FullName;
// Hook up the invoked handler
item.Invoked += delegate(object sender, EventArgs args)
{
ThumbnailCommand invokedDirectory = (ThumbnailCommand)sender;
string path = (string)invokedDirectory.Data["Path"];
// When invoked navigate to a new gallery page for this directory
GalleryPage newPage = CreateGalleryPage(path);
Application.Current.GoToGallery(newPage);
};
return(item);
}
/// <summary>
/// Create gallery items for all the subdirectories and music files found in the given directory.
/// </summary>
private void PopulateGallery(IModelItemOwner owner, IList list, DirectoryInfo directory)
{
//
// Subdirectories
//
DirectoryInfo[] subdirectories = directory.GetDirectories();
if (subdirectories != null)
{
foreach (DirectoryInfo subdirectory in subdirectories)
{
ThumbnailCommand item = CreateDirectoryGalleryItem(owner, subdirectory);
if (item != null)
{
list.Add(item);
}
}
}
//
// Files
//
FileInfo[] files = directory.GetFiles();
if (files != null)
{
foreach (FileInfo file in files)
{
ThumbnailCommand item = CreateFileGalleryItem(owner, file);
if (item != null)
{
list.Add(item);
}
}
}
}
/// <summary>
/// Finishes any slow data for a gallery item.
/// </summary>
private void CompleteGalleryItem(VirtualList list, int index)
{
ThumbnailCommand item = (ThumbnailCommand)list[index];
// This is where we would load a thumbnail for this item.
}