Moved image_tag to AssetTagHelper

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@899 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/asset_tag_helper.rb

@@ -54,6 +54,31 @@ module ActionView
           tag("link", "rel" => "Stylesheet", "type" => "text/css", "media" => "screen", "href" => source)
         }.join("\n")
       end
+
+      # Returns an image tag converting the +options+ instead html options on the tag, but with these special cases:
+      #
+      # * <tt>:alt</tt>  - If no alt text is given, the file name part of the +src+ is used (capitalized and without the extension)
+      # * <tt>:size</tt> - Supplied as "XxY", so "30x45" becomes width="30" and height="45"
+      #
+      # The +src+ can be supplied as a...
+      # * full path, like "/my_images/image.gif"
+      # * file name, like "rss.gif", that gets expanded to "/images/rss.gif"
+      # * file name without extension, like "logo", that gets expanded to "/images/logo.png"
+      def image_tag(src, options = {})
+        options.symbolize_keys
+
+        options.update({ :src => src.include?("/") ? src : "/images/#{src}" })
+        options[:src] += ".png" unless options[:src].include?(".")
+
+        options[:alt] ||= src.split("/").last.split(".").first.capitalize
+        
+        if options[:size]
+          options[:width], options[:height] = options[:size].split("x")
+          options.delete :size
+        end
+
+        tag("img", options)
+      end
     end
   end
 end

actionpack/lib/action_view/helpers/tag_helper.rb

@@ -22,32 +22,6 @@ module ActionView
         "<#{name}#{tag_options(options)}>#{content}</#{name}>"
       end
 
-
-      # Returns an image tag converting the +options+ instead html options on the tag, but with these special cases:
-      #
-      # * <tt>:alt</tt>  - If no alt text is given, the file name part of the +src+ is used (capitalized and without the extension)
-      # * <tt>:size</tt> - Supplied as "XxY", so "30x45" becomes width="30" and height="45"
-      #
-      # The +src+ can be supplied as a...
-      # * full path, like "/my_images/image.gif"
-      # * file name, like "rss.gif", that gets expanded to "/images/rss.gif"
-      # * file name without extension, like "logo", that gets expanded to "/images/logo.png"
-      def image_tag(src, options = {})
-        options.symbolize_keys
-  
-        options.update({ :src => src.include?("/") ? src : "/images/#{src}" })
-        options[:src] += ".png" unless options[:src].include?(".")
-
-        options[:alt] ||= src.split("/").last.split(".").first.capitalize
-        
-        if options[:size]
-          options[:width], options[:height] = options[:size].split("x")
-          options.delete :size
-        end
-
-        tag("img", options)
-      end
-
       private
         def tag_options(options)
           unless options.empty?

actionpack/test/template/asset_tag_helper_test.rb

@@ -42,4 +42,8 @@ class AssetTagHelperTest < Test::Unit::TestCase
   def test_style_link
     StyleLinkToTag.each { |method, tag| assert_equal(tag, eval(method)) }
   end
+
+  def test_image_tag
+    assert_equal %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />), image_tag("gold", :size => "45x70")
+  end
 end

actionpack/test/template/tag_helper_test.rb

@@ -17,8 +17,4 @@ class TagHelperTest < Test::Unit::TestCase
     assert_equal content_tag("a", "Create", "href" => "create"),
                  content_tag("a", "Create", :href => "create")
   end
-
-  def test_image_tag
-    assert_equal %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />), image_tag("gold", :size => "45x70")
-  end
 end

actionpack/test/template/url_helper_test.rb

@@ -1,11 +1,13 @@
 require File.dirname(__FILE__) + '/../abstract_unit'
 
 require File.dirname(__FILE__) + '/../../lib/action_view/helpers/url_helper'
+require File.dirname(__FILE__) + '/../../lib/action_view/helpers/asset_tag_helper'
 require File.dirname(__FILE__) + '/../../lib/action_view/helpers/tag_helper'
 
 RequestMock = Struct.new("Request", :request_uri)
 
 class UrlHelperTest < Test::Unit::TestCase
+  include ActionView::Helpers::AssetTagHelper
   include ActionView::Helpers::UrlHelper
   include ActionView::Helpers::TagHelper