X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d13ef1db021391e677a2c3d75f3b0999064ffb3a..c65a3d76aeba12e6808d107e53cb1284ae3e9b99:/app/controllers/export_controller.rb

diff --git a/app/controllers/export_controller.rb b/app/controllers/export_controller.rb
index a5766e99c..ab25fcbc6 100644
--- a/app/controllers/export_controller.rb
+++ b/app/controllers/export_controller.rb
@@ -1,24 +1,25 @@
 class ExportController < ApplicationController
   def start
-    render :update do |page|
-      page.replace_html :sidebar_title, 'Export'
-      page.replace_html :sidebar_content, :partial => 'start'
-      page.call "openSidebar"
-    end
   end
 
+  #When the user clicks 'Export' we redirect to a URL which generates the export download
   def finish
     bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
     format = params[:format]
 
     if format == "osm"
+      #redirect to API map get
       redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
+
     elsif format == "mapnik"
+      #redirect to a special 'export' cgi script
       format = params[:mapnik_format]
       scale = params[:mapnik_scale]
 
       redirect_to "http://tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
+
     elsif format == "osmarender"
+      #redirect to the t@h 'MapOf' service
       format = params[:osmarender_format]
       zoom = params[:osmarender_zoom].to_i
       width = bbox.slippy_width(zoom).to_i