/// <summary>
/// Gets the specified sorting strategy instance.
/// </summary>
/// <param name="sortItem">The sort item.</param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
public ISortingStrategy Get(SortingItems sortItem)
{
switch (sortItem)
{
case SortingItems.Classification:
return(new ClassificationSortingStrategy());
case SortingItems.Genre:
return(new GenreSortingStrategy());
case SortingItems.Rating:
return(new RatingSortingStrategy());
case SortingItems.ReleaseDate:
return(new ReleaseDateSortingStrategy());
case SortingItems.Title:
return(new TitleSortingStrategy());
case SortingItems.MovieId:
return(new MovieIdSortingStrategy());
default:
throw new ArgumentException($"A sorting strategy is not implemented for {sortItem.ToString()}.");
}
}
private void SwapCallback(int i, int j)
{
if (SwapTimeout <= 0)
{
return;
}
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
if (SortingItems.Count > i && SortingItems.Count > j)
{
SortingItems.Swap(i, j);
}
}));
System.Threading.Thread.Sleep(SwapTimeout);
}
private void FilterWords()
{
if (selectedBook == null)
{
return;
}
WordEntries = efContext.WordEntries.Local;
var we = from w in WordEntries select w;
if (SelectedBook != null)
{
we = from w in we where w.Book_ID == SelectedBook.Book_ID select w;
}
if (SelectedLanguage != null)
{
we = from w in we where w.Word.Language_ID == SelectedLanguage.Language_ID select w;
}
int orderBy = SortingItems.IndexOf(SortingItems.FirstOrDefault(z => z == SelectedSortingItem));
switch (orderBy)
{
case 0:
BookWordEntries = we.OrderBy(z => z.Page).ToList();
break;
case 1:
BookWordEntries = we.OrderBy(z => z.Word.Value).ToList();
break;
case 2:
BookWordEntries = we.OrderByDescending(z => z.Word.Value).ToList();
break;
default:
BookWordEntries = we.OrderBy(z => z.Word_ID).ToList();
break;
}
}
