diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/asset_tag_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/asset_tag_helper.rb | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/actionview/lib/action_view/helpers/asset_tag_helper.rb b/actionview/lib/action_view/helpers/asset_tag_helper.rb index a13d0021ea..aa49f1edc1 100644 --- a/actionview/lib/action_view/helpers/asset_tag_helper.rb +++ b/actionview/lib/action_view/helpers/asset_tag_helper.rb @@ -103,7 +103,7 @@ module ActionView }.join("\n").html_safe end - # Returns a link tag that browsers and news readers can use to auto-detect + # Returns a link tag that browsers and feed readers can use to auto-detect # an RSS or Atom feed. The +type+ can either be <tt>:rss</tt> (default) or # <tt>:atom</tt>. Control the link options in url_for format using the # +url_options+. You can modify the LINK tag itself in +tag_options+. @@ -153,14 +153,14 @@ module ActionView # # ==== Examples # - # favicon_link_tag '/myicon.ico' + # favicon_link_tag 'myicon.ico' # # => <link href="/assets/myicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" /> # # Mobile Safari looks for a different <link> tag, pointing to an image that # will be used if you add the page to the home screen of an iPod Touch, iPhone, or iPad. # The following call would generate such a tag: # - # favicon_link_tag '/mb-icon.png', rel: 'apple-touch-icon', type: 'image/png' + # favicon_link_tag 'mb-icon.png', rel: 'apple-touch-icon', type: 'image/png' # # => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" /> def favicon_link_tag(source='favicon.ico', options={}) tag('link', { @@ -176,7 +176,7 @@ module ActionView # ==== Options # # You can add HTML attributes using the +options+. The +options+ supports - # three additional keys for convenience and conformance: + # two additional keys for convenience and conformance: # # * <tt>:alt</tt> - If no alt text is given, the file name part of the # +source+ is used (capitalized and without the extension) @@ -207,11 +207,7 @@ module ActionView options[:alt] = options.fetch(:alt){ image_alt(src) } end - if size = options.delete(:size) - options[:width], options[:height] = size.split("x") if size =~ %r{\A\d+x\d+\z} - options[:width] = options[:height] = size if size =~ %r{\A\d+\z} - end - + options[:width], options[:height] = extract_dimensions(options.delete(:size)) if options[:size] tag("img", options) end @@ -224,14 +220,14 @@ module ActionView # # ==== Examples # - # image_tag('rails.png') - # # => <img alt="Rails" src="/assets/rails.png" /> + # image_alt('rails.png') + # # => Rails # - # image_tag('hyphenated-file-name.png') - # # => <img alt="Hyphenated file name" src="/assets/hyphenated-file-name.png" /> + # image_alt('hyphenated-file-name.png') + # # => Hyphenated file name # - # image_tag('underscored_file_name.png') - # # => <img alt="Underscored file name" src="/assets/underscored_file_name.png" /> + # image_alt('underscored_file_name.png') + # # => Underscored file name def image_alt(src) File.basename(src, '.*').sub(/-[[:xdigit:]]{32}\z/, '').tr('-_', ' ').capitalize end @@ -248,9 +244,9 @@ module ActionView # # * <tt>:poster</tt> - Set an image (like a screenshot) to be shown # before the video loads. The path is calculated like the +src+ of +image_tag+. - # * <tt>:size</tt> - Supplied as "{Width}x{Height}", so "30x45" becomes - # width="30" and height="45". <tt>:size</tt> will be ignored if the - # value is not in the correct format. + # * <tt>:size</tt> - Supplied as "{Width}x{Height}" or "{Number}", so "30x45" becomes + # width="30" and height="45", and "50" becomes width="50" and height="50". + # <tt>:size</tt> will be ignored if the value is not in the correct format. # # ==== Examples # @@ -264,6 +260,8 @@ module ActionView # # => <video src="/videos/trailer.m4v" width="16" height="10" poster="/assets/screenshot.png" /> # video_tag("/trailers/hd.avi", size: "16x16") # # => <video src="/trailers/hd.avi" width="16" height="16" /> + # video_tag("/trailers/hd.avi", size: "16") + # # => <video height="16" src="/trailers/hd.avi" width="16" /> # video_tag("/trailers/hd.avi", height: '32', width: '32') # # => <video height="32" src="/trailers/hd.avi" width="32" /> # video_tag("trailer.ogg", "trailer.flv") @@ -275,10 +273,7 @@ module ActionView def video_tag(*sources) multiple_sources_tag('video', sources) do |options| options[:poster] = path_to_image(options[:poster]) if options[:poster] - - if size = options.delete(:size) - options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$} - end + options[:width], options[:height] = extract_dimensions(options.delete(:size)) if options[:size] end end @@ -314,6 +309,14 @@ module ActionView content_tag(type, nil, options) end end + + def extract_dimensions(size) + if size =~ %r{\A\d+x\d+\z} + size.split('x') + elsif size =~ %r{\A\d+\z} + [size, size] + end + end end end end |