IsTooComplex.scala

  case class NameAndScreenName(val name: String, val screenName: String) extends Ordered[NameAndScreenName] {
    override def toString = name + " (" + screenName + ")"
    def compare(other: NameAndScreenName) = screenName compareToIgnoreCase other.screenName
    def matches(search: String) = {
      val slc = search.toLowerCase
      search.length == 0 || name.toLowerCase.contains(slc) || screenName.toLowerCase.contains(slc)
    }
  }

  title = "Send Message"
  def users = {
    val utm = session.windows.streams.usersTableModel
    val matches = ((utm.friends ::: utm.followers).map(u => NameAndScreenName(u.name, u.screenName)).
        filter(_.matches(searchText.text))).sort(_ < _).removeDuplicates
    (matches.length match {
      case 0 => "No matches were found"
      case 1 => "Select the following item to insert a @screenname"
      case _ => "Select one of these " + matches.length + " items to insert a @screenname" 
    }) :: matches
  }