class NextwordController < ApplicationController
#  start_choices must return an array of strings
  def start_choices
		@text=get_text.strip
		lw=last_word(@text)
		if lw.empty?
		# suggestions for first word
		  nw=get_starting_words(get_sentences_dir)
		else
			rx=Regexp.new(lw,Regexp::IGNORECASE)
			ac=get_matching_sentences(get_sentences_dir,rx)
			logger.info "ac #{ac.inspect}"
			nw=ac.grep(%r{\b#{lw} (\w+)}) do
				$1
			end
		end
		logger.info "suggested #{nw}"
		nw.uniq
  end
  #file_choices? true if choices are static
def filechoices?
	false
end
	#selected processes the string str that the user
	#has selected
	def selected(str)
		logger.info "selected string #{str.inspect}"
		session[:text]=get_text.strip+" #{str} ";
		nil
	end
	def get_title
		translate("suggested next word")
	end
	#extras allows instance variables to be displayed
	#to be initialized
	def extras
		@display=get_text
	end
end