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Description: A Rails plugin to make it easy to use YUI on Rails instead of (or along with, I suppose) Prototype and scriptaculous
Clone URL: git://github.com/rubaidh/yui_on_rails.git 
Implement yui_stylesheet_path.

Returns the path to the stylesheet for a YUI CSS component, including the
minified version if requested and available.
mathie (author)
Tue Apr 15 06:48:06 -0700 2008
commit  f3e16ba8e84db0139b49e840875461b02a50e799
tree    4138b709c699e468cdb9cc935329a89fae65e8ce
parent  d333ca7a407b5548f30fedc903ed2139e5659d37
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lib/action_view/helpers/yui/asset_tag_helper.rb 
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@@ -66,6 +66,7 @@ module ActionView # :nodoc:
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         }
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         CSS_COMPONENTS = [ "base", "fonts", "grids", "reset", "reset-fonts", "reset-fonts-grids"]
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+        CSS_COMPONENTS_WITHOUT_MINIFIED_VERSION = [ "reset-fonts", "reset-fonts-grids"]
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         def yui_javascript_path(source, version = nil)
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           suffix = ""
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@@ -102,6 +103,11 @@ module ActionView # :nodoc:
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         def yui_js_dependencies_for_component(component)
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           JS_COMPONENT_DEPENDENCIES[component] || []
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         end
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+
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+        def yui_stylesheet_path(source, version = nil)
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+          suffix = "-min" if "#{version}" == "min" && !CSS_COMPONENTS_WITHOUT_MINIFIED_VERSION.include?(source)
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+          compute_public_path("#{source}#{suffix}", "yui/build/#{source}", 'css')
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+        end
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       end
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     end
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   end
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test/helpers/asset_tag_helper_test.rb 
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@@ -136,6 +136,28 @@ class AssetTagHelperTest < Test::Unit::TestCase
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     assert_equal ["yahoo", "dom", "event", "animation", "container", "menu", "element", "button", "editor"], yui_js_components_with_dependencies(["dom", "animation", "editor"])
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   end
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+  def test_yui_stylesheet_path_generates_correct_paths
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+    CSS_COMPONENTS.each do |component|
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+      path = yui_stylesheet_path(component)
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+      assert_equal "/yui/build/#{component}/#{component}.css", path
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+      assert_file_exists "#{File.dirname(__FILE__)}/../../resources#{path}"
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+    end
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+  end
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+
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+  def test_yui_stylesheet_path_generates_correct_paths_for_minified_versions
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+    (CSS_COMPONENTS - CSS_COMPONENTS_WITHOUT_MINIFIED_VERSION).each do |component|
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+      path = yui_stylesheet_path(component, :min)
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+      assert_equal "/yui/build/#{component}/#{component}-min.css", path
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+      assert_file_exists "#{File.dirname(__FILE__)}/../../resources#{path}"
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+    end
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+
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+    CSS_COMPONENTS_WITHOUT_MINIFIED_VERSION.each do |component|
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+      path = yui_stylesheet_path(component, :min)
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+      assert_equal "/yui/build/#{component}/#{component}.css", path
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+      assert_file_exists "#{File.dirname(__FILE__)}/../../resources#{path}"
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+    end
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+  end
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+
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   private
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   def assert_file_exists(file)
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     assert File.exists?(file), "File #{file} does not exist."

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