Major update of Selectricity to work with Rails 2.2.2 from 1.2!

[selectricity] / app / controllers / sparklines_controller.rb

# Handles requests for sparkline graphs.
#
# You shouldn't need to edit or extend this, but you can read
# the documentation for SparklinesHelper to see how to call it from
# another view.
#
# AUTHOR
# 
# Geoffrey Grosenbach[mailto:boss@topfunky.com]
#
# http://topfunky.com
#
class SparklinesController < ApplicationController
        layout nil

        def index
                # Make array from comma-delimited list of data values
                ary = []
                params['results'].split(',').each do |s|
                        ary << s.to_i
                end
                
                send_data( Sparklines.plot( ary, params ), 
                                        :disposition => 'inline',
                                        :type => 'image/png',
                                        :filename => "spark_#{params[:type]}.png" )
        end

end