private void UpdateGenreOrderText(GenreOrder genreOrder)
{
switch (genreOrder)
{
case GenreOrder.Alphabetical:
this.genreOrderText = ResourceUtils.GetString("Language_A_Z");
break;
case GenreOrder.ReverseAlphabetical:
this.genreOrderText = ResourceUtils.GetString("Language_Z_A");
break;
default:
// Cannot happen, but just in case.
this.genreOrderText = ResourceUtils.GetString("Language_A_Z");
break;
}
RaisePropertyChanged(nameof(this.GenreOrderText));
}
protected void UpdateGenreOrderText(GenreOrder genreOrder)
{
switch (genreOrder)
{
case GenreOrder.Alphabetical:
this.genreOrderText = ResourceUtils.GetStringResource("Language_A_Z");
break;
case GenreOrder.ReverseAlphabetical:
this.genreOrderText = ResourceUtils.GetStringResource("Language_Z_A");
break;
default:
// Cannot happen, but just in case.
this.genreOrderText = ResourceUtils.GetStringResource("Language_A_Z");
break;
}
OnPropertyChanged(() => this.GenreOrderText);
}
private async Task GetGenresCommonAsync(IList <Genre> genres, GenreOrder genreOrder)
{
try
{
// Order the incoming Genres
List <Genre> orderedGenres = await Common.Database.Utils.OrderGenresAsync(genres, genreOrder);
// Create new ObservableCollection
ObservableCollection <GenreViewModel> genreViewModels = new ObservableCollection <GenreViewModel>();
await Task.Run(() =>
{
var tempGenreViewModels = new List <GenreViewModel>();
// Workaround to make sure the "#" GroupHeader is shown at the top of the list
if (genreOrder == GenreOrder.Alphabetical)
{
tempGenreViewModels.AddRange(orderedGenres.Select((gen) => new GenreViewModel {
Genre = gen, IsHeader = false
}).Where((gvm) => gvm.Header.Equals("#")));
}
tempGenreViewModels.AddRange(orderedGenres.Select((gen) => new GenreViewModel {
Genre = gen, IsHeader = false
}).Where((gvm) => !gvm.Header.Equals("#")));
if (genreOrder == GenreOrder.ReverseAlphabetical)
{
tempGenreViewModels.AddRange(orderedGenres.Select((gen) => new GenreViewModel {
Genre = gen, IsHeader = false
}).Where((gvm) => gvm.Header.Equals("#")));
}
foreach (GenreViewModel gvm in tempGenreViewModels)
{
genreViewModels.Add(gvm);
}
});
// Unbind to improve UI performance
if (this.GenresCvs != null)
{
this.GenresCvs.Filter -= new FilterEventHandler(GenresCvs_Filter);
}
this.Genres = null;
this.GenresCvs = null;
// Populate ObservableCollection
this.Genres = new ObservableCollection <ISemanticZoomable>(genreViewModels);
}
catch (Exception ex)
{
LogClient.Error("An error occurred while getting Genres. Exception: {0}", ex.Message);
// Failed getting Genres. Create empty ObservableCollection.
this.Genres = new ObservableCollection <ISemanticZoomable>();
}
// Populate CollectionViewSource
this.GenresCvs = new CollectionViewSource {
Source = this.Genres
};
this.GenresCvs.Filter += new FilterEventHandler(GenresCvs_Filter);
// Update count
this.GenresCount = this.GenresCvs.View.Cast <ISemanticZoomable>().Count();
// Update Semantic Zoom Headers
this.UpdateSemanticZoomHeaders();
}
private async Task GetGenresAsync(GenreOrder genreOrder)
{
await this.GetGenresCommonAsync(await this.genreRepository.GetGenresAsync(), genreOrder);
}
public static async Task <List <Genre> > OrderGenresAsync(IList <Genre> genres, GenreOrder genreOrder)
{
var orderedGenres = new List <Genre>();
await Task.Run(() =>
{
switch (genreOrder)
{
case GenreOrder.Alphabetical:
orderedGenres = genres.OrderBy((g) => GetSortableString(g.GenreName, true)).ToList();
break;
case GenreOrder.ReverseAlphabetical:
orderedGenres = genres.OrderByDescending((g) => GetSortableString(g.GenreName, true)).ToList();
break;
default:
// Alphabetical
orderedGenres = genres.OrderBy((g) => GetSortableString(g.GenreName, true)).ToList();
break;
}
});
return(orderedGenres);
}