From 801dcb0a391a2145a38a7eb8a3879f59a654a825 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Mon, 16 Jan 2012 17:49:39 -0300
Subject: Extract duplicated code to a class

---
 .../lib/action_view/helpers/tags/label_tag.rb      | 94 ++--------------------
 1 file changed, 6 insertions(+), 88 deletions(-)

(limited to 'actionpack/lib/action_view/helpers/tags/label_tag.rb')

diff --git a/actionpack/lib/action_view/helpers/tags/label_tag.rb b/actionpack/lib/action_view/helpers/tags/label_tag.rb
index 0141f0ab10..8a7b15de59 100644
--- a/actionpack/lib/action_view/helpers/tags/label_tag.rb
+++ b/actionpack/lib/action_view/helpers/tags/label_tag.rb
@@ -1,29 +1,19 @@
 module ActionView
   module Helpers
     module Tags
-      class LabelTag
-        include Helpers::TagHelper, Helpers::FormTagHelper
-
-        attr_reader :object
-
-        def initialize(object_name, method_name, template_object, content, options)
-          content_is_options = content.is_a?(Hash)
+      class LabelTag < BaseTag
+        def initialize(object_name, method_name, template_object, content_or_options = nil, options = nil)
+          content_is_options = content_or_options.is_a?(Hash)
           if content_is_options
-            options = content
+            options = content_or_options
             @content = nil
           else
-            @content = content
+            @content = content_or_options
           end
 
           options ||= {}
 
-          @object_name, @method_name = object_name.to_s.dup, method_name.to_s.dup
-          @template_object = template_object
-
-          @object_name.sub!(/\[\]$/,"") || @object_name.sub!(/\[\]\]$/,"]")
-          @object = retrieve_object(options.delete(:object))
-          @options = options
-          @auto_index = retrieve_autoindex(Regexp.last_match.pre_match) if Regexp.last_match
+          super(object_name, method_name, template_object, options)
         end
 
         def render(&block)
@@ -69,78 +59,6 @@ module ActionView
             label_tag(name_and_id["id"], content, options)
           end
         end
-
-        private
-
-        def retrieve_object(object)
-          if object
-            object
-          elsif @template_object.instance_variable_defined?("@#{@object_name}")
-            @template_object.instance_variable_get("@#{@object_name}")
-          end
-        rescue NameError
-          # As @object_name may contain the nested syntax (item[subobject]) we need to fallback to nil.
-          nil
-        end
-
-        def retrieve_autoindex(pre_match)
-          object = self.object || @template_object.instance_variable_get("@#{pre_match}")
-          if object && object.respond_to?(:to_param)
-            object.to_param
-          else
-            raise ArgumentError, "object[] naming but object param and @object var don't exist or don't respond to to_param: #{object.inspect}"
-          end
-        end
-
-        def add_default_name_and_id_for_value(tag_value, options)
-          unless tag_value.nil?
-            pretty_tag_value = tag_value.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase
-            specified_id = options["id"]
-            add_default_name_and_id(options)
-            options["id"] += "_#{pretty_tag_value}" if specified_id.blank? && options["id"].present?
-          else
-            add_default_name_and_id(options)
-          end
-        end
-
-        def add_default_name_and_id(options)
-          if options.has_key?("index")
-            options["name"] ||= tag_name_with_index(options["index"])
-            options["id"] = options.fetch("id"){ tag_id_with_index(options["index"]) }
-            options.delete("index")
-          elsif defined?(@auto_index)
-            options["name"] ||= tag_name_with_index(@auto_index)
-            options["id"] = options.fetch("id"){ tag_id_with_index(@auto_index) }
-          else
-            options["name"] ||= tag_name + (options['multiple'] ? '[]' : '')
-            options["id"] = options.fetch("id"){ tag_id }
-          end
-          options["id"] = [options.delete('namespace'), options["id"]].compact.join("_").presence
-        end
-
-        def tag_name
-          "#{@object_name}[#{sanitized_method_name}]"
-        end
-
-        def tag_name_with_index(index)
-          "#{@object_name}[#{index}][#{sanitized_method_name}]"
-        end
-
-        def tag_id
-          "#{sanitized_object_name}_#{sanitized_method_name}"
-        end
-
-        def tag_id_with_index(index)
-          "#{sanitized_object_name}_#{index}_#{sanitized_method_name}"
-        end
-
-        def sanitized_object_name
-          @sanitized_object_name ||= @object_name.gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")
-        end
-
-        def sanitized_method_name
-          @sanitized_method_name ||= @method_name.sub(/\?$/,"")
-        end
       end
     end
   end
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