class WordsController < ApplicationController
	def filechoices?
		false
	end
	#depending on the toggle, either all words containing the
	#chars with or without other chars intervening are offered
	#as choices
	def start_choices
		@text=get_text.strip
		lw=last_word(@text)
		if lw.empty?
			[]
		else
			if session[:toggle]
				rx_str=lw
			else
				rx_str=lw.split("").join(".*")
			end
			rx=Regexp.new(rx_str,Regexp::IGNORECASE)
#			logger.info("words rx:"+rx_str)
			ac=get_matching_words(get_words_dir,rx) -[lw]
			if ac.size > MaxWords
				ac=ac[0..MaxWords]
			end
			ac
		end
	end
  def get_title
		"replace '#{last_word(get_text)}' with word:"
	end
	def extras
#		@displayed=rx_str
		@text=get_text
	end
	#the selected word replaces the last word
	def selected(st)
		@text=get_text.strip
		if last_word(@text)
			@text.gsub!(/\w+$/,st)
			#replace the "regex" with the selected word
		else
			@text << " " << st
		end
		session[:text]=@text + " "
		session[:start_choices]= nil
	end
	#toggles session[:toggle]
	def backspace
		session[:toggle]=	session[:toggle]? nil:1
		session[:choices]= nil
		redirect_to :action => "index"
	end
end