lib/manifest/local/view/filer/caption.rb

   1     class Caption
   2       def initialize caption_conf
   3         @caption_conf = caption_conf || {}
   4         @link_conf = @caption_conf['link'] || {'type' => 'action', 'name' => 'show'}
   5         @type_conf = @caption_conf['type'] || 'column'
   6         @link_method_name = self.link_method_name
   7         @tag_method_name = self.tag_method_name
   8       end
   9
  10       def link_method_name
  11         case @link_conf['type']
  12         when 'action'
  13           case @link_conf['name']
  14           when 'show'
  15             :link_action_show
  16           else
  17             :link_action_else
  18           end
  19         when 'none'
  20           :link_none
  21         when 'url_column'
  22           :link_url_column
  23         else
  24           :link_else
  25         end
  26       end
  27
  28       def tag_method_name
  29         tag = case @type_conf
  30         when 'column'
  31           :tag_column
  32         when 'method'
  33           :tag_method
  34         when 'none'
  35           :tag_none
  36         else
  37           :tag_else
  38         end
  39       end
  40
  41       def link_action_show view, item, operators
  42         view.polymorphic_path(item)
  43       end
  44
  45       def link_action_else view, item, operators
  46         view.polymorphic_path(item, :action => @link_conf['name'])
  47       end
  48
  49       def link_none view, item, operators
  50         ''
  51       end
  52
  53       def link_url_column view, item, operators
  54         item.__send__(@link_conf['name']).to_s
  55       end
  56
  57       def link_else view, item, operators
  58         ''
  59       end
  60
  61       def tag_column view, item, operators
  62         item.attributes[@caption_conf['name']]
  63       end
  64
  65       def tag_method view, item, operators
  66         item.__send__(@caption_conf['name']).to_s
  67       end
  68
  69       def tag_else view, item, operators
  70         'no caption'
  71       end
  72
  73       def visible?
  74         @tag_method_name != :tag_none
  75       end
  76
  77       def render view, item, operators
  78         link = self.__send__(@link_method_name, view, item, operators)
  79         tag = self.__send__(@tag_method_name, view, item, operators)
  80         tag = 'no caption' if tag.blank?
  81         unless tag.blank?
  82           view.link_to_unless link.blank?, tag, link
  83         end
  84       end
  85
  86     end
  87