class WikinextController < ApplicationController
require 'hpricot'
	#starting with the entire typed text, then
	#progressively deleting the first word, all
	#pages corresponding to keywords are seached for
	#the text, and if found, the word following is
	#added to the choices offered
	def start_choices
		chs=[]
		#pick all text following last punctuation
		text=get_text.strip.scan(/[\w ]+$/).join
		while !text.empty?
			rx=Regexp.new(text+' +(\w+)',
					Regexp::IGNORECASE)
			get_keywords.split.each do |w|
				page=Hpricot(Wikipedia.new.page(w)).inner_text
				chs+=page.scan(rx)
			end
			if !text.gsub!(/\s*\w+\s+/,'') #first word del?
				break
			end
		end
		chs.flatten.uniq
	end
	def first_time
	  	redirect_to :action => "index"
	end
  def filechoices?
		false
	end
  def get_title
		'next word suggestions'
	end
	def extras
		@text=get_text
	end
	def selected(str)
		session[:text]=get_text.strip+" #{str} "
	end
end