/// <summary>Filters the list of recipients by showing only those with a user ID or key fingerprint that contains at
/// least one of the given keyword strings. If the keywords array is null or contains no keywords,
/// all keys are shown.
/// </summary>
public void FilterItems(string[] keywords)
{
if(keys == null) throw new InvalidOperationException("ShowKeyring has not been called.");
if(keywords == null || keywords.Length == 0 || keywords.Length == 1 && string.IsNullOrEmpty(keywords[0]))
{
AddKeyItems(keys);
return;
}
List<PrimaryKey> keysToShow = new List<PrimaryKey>();
foreach(PrimaryKey key in keys)
{
foreach(string keyword in keywords)
{
if(PGPUI.KeyMatchesKeyword(key, keyword))
{
keysToShow.Add(key);
break;
}
}
}
AddKeyItems(keysToShow.ToArray());
}