diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers')
-rw-r--r-- | actionpack/lib/action_view/helpers/asset_tag_helper.rb | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb index 55036a3ff4..f888e7a3e2 100644 --- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb +++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb @@ -23,6 +23,13 @@ module ActionView ) end + # Returns path to a javascript asset. Example: + # + # javascript_path "xmlhr" # => /javascripts/xmlhr.js + def javascript_path(source) + compute_public_path(source, 'javascripts', 'js') + end + # Returns a script include tag per source given as argument. Examples: # # javascript_include_tag "xmlhr" # => @@ -33,11 +40,18 @@ module ActionView # <script type="text/javascript" src="/elsewhere/cools.js"></script> def javascript_include_tag(*sources) sources.collect { |source| - source = compute_public_path(source, 'javascripts', 'js') + source = javascript_path(source) content_tag("script", "", "type" => "text/javascript", "src" => source) }.join("\n") end + # Returns path to a stylesheet asset. Example: + # + # stylesheet_path "style" # => /stylesheets/style.css + def stylesheet_path(source) + compute_public_path(source, 'stylesheets', 'css') + end + # Returns a css link tag per source given as argument. Examples: # # stylesheet_link_tag "style" # => @@ -48,11 +62,21 @@ module ActionView # <link href="/css/stylish.css" media="screen" rel="Stylesheet" type="text/css" /> def stylesheet_link_tag(*sources) sources.collect { |source| - source = compute_public_path(source, 'stylesheets', 'css') + source = stylesheet_path(source) tag("link", "rel" => "Stylesheet", "type" => "text/css", "media" => "screen", "href" => source) }.join("\n") end + # Returns path to an image asset. Example: + # + # 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_path(source) + compute_public_path(source, 'images', 'png') + 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) @@ -65,7 +89,7 @@ module ActionView def image_tag(source, options = {}) options.symbolize_keys - options[:src] = compute_public_path(source, 'images', 'png') + options[:src] = image_path(source) options[:alt] ||= source.split("/").last.split(".").first.capitalize if options[:size] @@ -77,14 +101,12 @@ module ActionView end private - def compute_public_path(source, dir, ext) source = "/#{dir}/#{source}" unless source.include?("/") source = "#{source}.#{ext}" unless source.include?(".") source = "#{@request.relative_url_root}#{source}" source end - end end end |