X-Git-Url: https://projects.mako.cc/source/selectricity-live/blobdiff_plain/1620856a8a47219f3a2cbb5288137b11467886fc..a16962155a3c3c6616bfe32c7216f3631836d38c:/vendor/plugins/sparklines/generators/sparklines/templates/controller.rb

diff --git a/vendor/plugins/sparklines/generators/sparklines/templates/controller.rb b/vendor/plugins/sparklines/generators/sparklines/templates/controller.rb
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+++ b/vendor/plugins/sparklines/generators/sparklines/templates/controller.rb
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+class SparklinesController < ApplicationController
+
+  # Handles requests for sparkline graphs from views.
+  #
+  # Params are generated by the sparkline_tag helper method.
+  #
+	def index
+		# Make array from comma-delimited list of data values
+		ary = []
+		if params.has_key?('results') && !params['results'].nil?
+		  params['results'].split(',').each do |s|
+			  ary << s.to_i
+		  end
+		end
+		
+		send_data( Sparklines.plot( ary, params ), 
+					:disposition => 'inline',
+					:type => 'image/png',
+					:filename => "spark_#{params[:type]}.png" )
+	end
+
+
+  # Use this type of method for sparklines that can be cached. (Doesn't work with the helper.)
+  #
+  # To make caching easier, add a line like this to config/routes.rb:
+  # map.sparklines "sparklines/:action/:id/image.png", :controller => "sparklines"
+  #
+  # Then reference it with the named route:
+  #   image_tag sparklines_url(:action => 'show', :id => 42)
+  def show
+    send_data(Sparklines.plot(
+                [42, 37, 89, 74, 70, 50, 40, 30, 40, 50],
+                :type => 'bar', :above_color => 'orange'
+              ), 
+              :disposition => 'inline', 
+              :type => 'image/png', 
+              :filename => "sparkline.png")
+  end
+
+end