1  module Admin::RegionsHelper
   2    def render_region(region, options={}, &block)
   3      lazy_initialize_region_set
   4      default_partials = Radiant::AdminUI::RegionPartials.new(self)
   5      if block_given?
   6        block.call(default_partials)
   7        (options[:locals] ||= {}).merge!(:defaults => default_partials)
   8      end
   9      output = @region_set[region].compact.map do |partial|
  10        begin
  11          render options.merge(:partial => partial)
  12        rescue ::ActionView::MissingTemplate # couldn't find template
  13          default_partials[partial]
  14        rescue ::ActionView::TemplateError => e # error in template
  15          raise e
  16        end
  17      end.join
  18      block_given? ? concat(output) : output
  19    end
  20 
  21    def lazy_initialize_region_set
  22      unless @region_set
  23        @controller_name ||= @controller.controller_name
  24        @template_name ||= @controller.template_name
  25        @region_set = admin.send(@controller_name).send(@template_name)
  26      end
  27    end
  28  en