class PicbrowserController < ApplicationController
	def start_choices
		[]
	end
	def extras
		@picfile=get_pic( get_folder(get_folder_index),
								get_selected_item)
#		logger.info("viewing:"+@picfile)
		extn=File.extname(@picfile)
		@typed=File.basename(@picfile,extn)
		@title= get_folder(get_folder_index)
		session[:picfile]=
			get_pic( get_folder(get_folder_index),
				get_selected_item)
	end
	def select
		session[:folder_index]+=1
		session[:pictures]=nil
		session[:selected_item]=0
		if session[:folder_index] >= get_folder_list.size
			session[:folder_index]=0 #scroll folders from end to beginning
		end
		session[:spoken]=get_folder(get_folder_index)
		what_next
	end
	def previous_pic
		get_pic(get_folder(get_folder_index), get_selected_item-1)
	end
	def next_pic
		get_pic(get_folder(get_folder_index), get_selected_item+1)
	end
	def next_category
		get_pic(get_folder(get_folder_index+1),0)
	end
	def up_icon
		'<IMG height=75 src= "/images/'+
		previous_pic()+
		'" alt ="previous picture" width=75 /> '
	end
	def down_icon
		'<IMG height=75 src= "/images/'+ next_pic()+
		'" alt ="next picture" width=75 /> '
	end
	def select_icon
		'<IMG height=75 src= "/images/'+ next_category()+
		'" alt ="something else" width=75 /> '
	end
end