public static async Task <Song> LoadAsync(Uri uri, SongUriResolver resolver, ISongReader reader, CancellationToken cancellation = default(CancellationToken))
{
var song = new Song();
song.Uri = uri;
song.uriResolver = resolver;
if (reader.NeedsTemplate)
{
song.LoadClearTemplate();
}
using (Stream stream = await song.uriResolver.GetAsync(uri, cancellation))
{
cancellation.ThrowIfCancellationRequested();
reader.Read(song, stream);
}
if (!(reader is PowerpraiseSongReader))
{
song.IsImported = true;
}
return(song);
}
public void Save(Uri uri)
{
Write(uri, new PowerpraiseSongWriter());
this.Uri = uri;
this.uriResolver = SongUriResolver.Default;
OnPropertyChanged("Uri");
IsModified = false;
IsImported = false;
}
private Song()
{
// this constructor must always be called
this.uriResolver = SongUriResolver.Default;
AddSource(String.Empty);
Sources = new ReadOnlyObservableCollection <SongSource>(sources);
Parts = new ReadOnlyObservableCollection <SongPart>(parts);
Order = new ReadOnlyObservableCollection <SongPartReference>(order);
Backgrounds = new ReadOnlyObservableCollection <SongBackground>(backgrounds);
}
public Song(Uri uri, SongUriResolver resolver, ISongReader reader) : this()
{
this.Uri = uri;
this.uriResolver = resolver;
if (reader.NeedsTemplate)
{
LoadClearTemplate();
}
using (Stream stream = uriResolver.Get(uri))
{
reader.Read(this, stream);
}
if (!(reader is PowerpraiseSongReader))
{
IsImported = true;
}
}
public static Task <Song> LoadAsync(Uri uri, SongUriResolver resolver, CancellationToken cancellation = default(CancellationToken))
{
return(LoadAsync(uri, resolver, new PowerpraiseSongReader(), cancellation));
}
public Song(Uri uri, SongUriResolver resolver) : this(uri, resolver, new PowerpraiseSongReader())
{
}
