/// <summary>
/// Return a string giving all Ids of selected books,
/// e.g "MAT, MRK, REV"
/// </summary>
/// <returns>list of books</returns>
public string AllIds()
{
var result = new StringBuilder();
for (int j = 0; j < selected.Length; ++j)
{
if (selected[j])
{
string name = Canon.BookNumberToId(j + 1);
result.Append(name).Append(", ");
}
}
if (result.Length != 0)
{
result.Remove(result.Length - 2, 2);
}
return(result.ToString());
}
/// <summary>
/// Remove a single book from BookSet.
/// </summary>
/// <param name="bookId">BookId (e.g. "GEN") to remove</param>
public void Remove(string bookId)
{
selected[Canon.BookIdToNumber(bookId) - 1] = false;
}