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Diffstat (limited to 'actionpack/lib/action_view/helpers/asset_tag_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/asset_tag_helper.rb | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb deleted file mode 100644 index cf2a117966..0000000000 --- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb +++ /dev/null @@ -1,295 +0,0 @@ -require 'active_support/core_ext/array/extract_options' -require 'active_support/core_ext/hash/keys' -require 'action_view/helpers/asset_url_helper' -require 'action_view/helpers/tag_helper' - -module ActionView - # = Action View Asset Tag Helpers - module Helpers #:nodoc: - # This module provides methods for generating HTML that links views to assets such - # as images, javascripts, stylesheets, and feeds. These methods do not verify - # the assets exist before linking to them: - # - # image_tag("rails.png") - # # => <img alt="Rails" src="/assets/rails.png" /> - # stylesheet_link_tag("application") - # # => <link href="/assets/application.css?body=1" media="screen" rel="stylesheet" /> - # - module AssetTagHelper - extend ActiveSupport::Concern - - include AssetUrlHelper - include TagHelper - - # Returns an HTML script tag for each of the +sources+ provided. - # - # Sources may be paths to JavaScript files. Relative paths are assumed to be relative - # to <tt>assets/javascripts</tt>, full paths are assumed to be relative to the document - # root. Relative paths are idiomatic, use absolute paths only when needed. - # - # When passing paths, the ".js" extension is optional. - # - # You can modify the HTML attributes of the script tag by passing a hash as the - # last argument. - # - # When the Asset Pipeline is enabled, you can pass the name of your manifest as - # source, and include other JavaScript or CoffeeScript files inside the manifest. - # - # javascript_include_tag "xmlhr" - # # => <script src="/assets/xmlhr.js?1284139606"></script> - # - # javascript_include_tag "xmlhr.js" - # # => <script src="/assets/xmlhr.js?1284139606"></script> - # - # javascript_include_tag "common.javascript", "/elsewhere/cools" - # # => <script src="/assets/common.javascript?1284139606"></script> - # # <script src="/elsewhere/cools.js?1423139606"></script> - # - # javascript_include_tag "http://www.example.com/xmlhr" - # # => <script src="http://www.example.com/xmlhr"></script> - # - # javascript_include_tag "http://www.example.com/xmlhr.js" - # # => <script src="http://www.example.com/xmlhr.js"></script> - # - def javascript_include_tag(*sources) - options = sources.extract_options!.stringify_keys - sources.uniq.map { |source| - tag_options = { - "src" => path_to_javascript(source) - }.merge(options) - content_tag(:script, "", tag_options) - }.join("\n").html_safe - end - - # Returns a stylesheet link tag for the sources specified as arguments. If - # you don't specify an extension, <tt>.css</tt> will be appended automatically. - # You can modify the link attributes by passing a hash as the last argument. - # For historical reasons, the 'media' attribute will always be present and defaults - # to "screen", so you must explicitely set it to "all" for the stylesheet(s) to - # apply to all media types. - # - # stylesheet_link_tag "style" - # # => <link href="/assets/style.css" media="screen" rel="stylesheet" /> - # - # stylesheet_link_tag "style.css" - # # => <link href="/assets/style.css" media="screen" rel="stylesheet" /> - # - # stylesheet_link_tag "http://www.example.com/style.css" - # # => <link href="http://www.example.com/style.css" media="screen" rel="stylesheet" /> - # - # stylesheet_link_tag "style", media: "all" - # # => <link href="/assets/style.css" media="all" rel="stylesheet" /> - # - # stylesheet_link_tag "style", media: "print" - # # => <link href="/assets/style.css" media="print" rel="stylesheet" /> - # - # stylesheet_link_tag "random.styles", "/css/stylish" - # # => <link href="/assets/random.styles" media="screen" rel="stylesheet" /> - # # <link href="/css/stylish.css" media="screen" rel="stylesheet" /> - # - def stylesheet_link_tag(*sources) - options = sources.extract_options!.stringify_keys - sources.uniq.map { |source| - tag_options = { - "rel" => "stylesheet", - "media" => "screen", - "href" => path_to_stylesheet(source) - }.merge(options) - tag(:link, tag_options) - }.join("\n").html_safe - end - - # Returns a link tag that browsers and news 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+. - # - # ==== Options - # * <tt>:rel</tt> - Specify the relation of this link, defaults to "alternate" - # * <tt>:type</tt> - Override the auto-generated mime type - # * <tt>:title</tt> - Specify the title of the link, defaults to the +type+ - # - # auto_discovery_link_tag - # # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/action" /> - # auto_discovery_link_tag(:atom) - # # => <link rel="alternate" type="application/atom+xml" title="ATOM" href="http://www.currenthost.com/controller/action" /> - # auto_discovery_link_tag(:rss, {action: "feed"}) - # # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/feed" /> - # auto_discovery_link_tag(:rss, {action: "feed"}, {title: "My RSS"}) - # # => <link rel="alternate" type="application/rss+xml" title="My RSS" href="http://www.currenthost.com/controller/feed" /> - # auto_discovery_link_tag(:rss, {controller: "news", action: "feed"}) - # # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/news/feed" /> - # auto_discovery_link_tag(:rss, "http://www.example.com/feed.rss", {title: "Example RSS"}) - # # => <link rel="alternate" type="application/rss+xml" title="Example RSS" href="http://www.example.com/feed" /> - def auto_discovery_link_tag(type = :rss, url_options = {}, tag_options = {}) - if !(type == :rss || type == :atom) && tag_options[:type].blank? - message = "You have passed type other than :rss or :atom to auto_discovery_link_tag and haven't supplied " + - "the :type option key. This behavior is deprecated and will be remove in Rails 4.1. You should pass " + - ":type option explicitly if you want to use other types, for example: " + - "auto_discovery_link_tag(:xml, '/feed.xml', :type => 'application/xml')" - ActiveSupport::Deprecation.warn message - end - - tag( - "link", - "rel" => tag_options[:rel] || "alternate", - "type" => tag_options[:type] || Mime::Type.lookup_by_extension(type.to_s).to_s, - "title" => tag_options[:title] || type.to_s.upcase, - "href" => url_options.is_a?(Hash) ? url_for(url_options.merge(:only_path => false)) : url_options - ) - end - - # Returns a link loading a favicon file. You may specify a different file - # in the first argument. The helper accepts an additional options hash where - # you can override "rel" and "type". - # - # ==== Options - # * <tt>:rel</tt> - Specify the relation of this link, defaults to 'shortcut icon' - # * <tt>:type</tt> - Override the auto-generated mime type, defaults to 'image/vnd.microsoft.icon' - # - # favicon_link_tag '/myicon.ico' - # # => <link href="/assets/favicon.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' - # # => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" /> - # - def favicon_link_tag(source='favicon.ico', options={}) - tag('link', { - :rel => 'shortcut icon', - :type => 'image/vnd.microsoft.icon', - :href => path_to_image(source) - }.merge(options.symbolize_keys)) - end - - # Returns an HTML image tag for the +source+. The +source+ can be a full - # path or a file. - # - # ==== Options - # You can add HTML attributes using the +options+. The +options+ supports - # three 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) - # * <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. - # - # image_tag("icon") - # # => <img alt="Icon" src="/assets/icon" /> - # image_tag("icon.png") - # # => <img alt="Icon" src="/assets/icon.png" /> - # image_tag("icon.png", size: "16x10", alt: "Edit Entry") - # # => <img src="/assets/icon.png" width="16" height="10" alt="Edit Entry" /> - # image_tag("/icons/icon.gif", size: "16") - # # => <img src="/icons/icon.gif" width="16" height="16" alt="Icon" /> - # image_tag("/icons/icon.gif", height: '32', width: '32') - # # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" /> - # image_tag("/icons/icon.gif", class: "menu_icon") - # # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" /> - def image_tag(source, options={}) - options = options.symbolize_keys - - src = options[:src] = path_to_image(source) - - unless src =~ /^(?:cid|data):/ || src.blank? - 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 - - tag("img", options) - end - - # Returns a string suitable for an html image tag alt attribute. - # +src+ is meant to be an image file path. - # It removes the basename of the file path and the digest, if any. - def image_alt(src) - File.basename(src, '.*').sub(/-[[:xdigit:]]{32}\z/, '').capitalize - end - - # Returns an html video tag for the +sources+. If +sources+ is a string, - # a single video tag will be returned. If +sources+ is an array, a video - # tag with nested source tags for each source will be returned. The - # +sources+ can be full paths or files that exists in your public videos - # directory. - # - # ==== Options - # You can add HTML attributes using the +options+. The +options+ supports - # two additional keys for convenience and conformance: - # - # * <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. - # - # video_tag("trailer") - # # => <video src="/videos/trailer" /> - # video_tag("trailer.ogg") - # # => <video src="/videos/trailer.ogg" /> - # video_tag("trailer.ogg", controls: true, autobuffer: true) - # # => <video autobuffer="autobuffer" controls="controls" src="/videos/trailer.ogg" /> - # video_tag("trailer.m4v", size: "16x10", poster: "screenshot.png") - # # => <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", height: '32', width: '32') - # # => <video height="32" src="/trailers/hd.avi" width="32" /> - # video_tag("trailer.ogg", "trailer.flv") - # # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video> - # video_tag(["trailer.ogg", "trailer.flv"]) - # # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video> - # video_tag(["trailer.ogg", "trailer.flv"], size: "160x120") - # # => <video height="120" width="160"><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video> - 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 - end - end - - # Returns an HTML audio tag for the +source+. - # The +source+ can be full path or file that exists in - # your public audios directory. - # - # audio_tag("sound") - # # => <audio src="/audios/sound" /> - # audio_tag("sound.wav") - # # => <audio src="/audios/sound.wav" /> - # audio_tag("sound.wav", autoplay: true, controls: true) - # # => <audio autoplay="autoplay" controls="controls" src="/audios/sound.wav" /> - # audio_tag("sound.wav", "sound.mid") - # # => <audio><source src="/audios/sound.wav" /><source src="/audios/sound.mid" /></audio> - def audio_tag(*sources) - multiple_sources_tag('audio', sources) - end - - private - def multiple_sources_tag(type, sources) - options = sources.extract_options!.symbolize_keys - sources.flatten! - - yield options if block_given? - - if sources.size > 1 - content_tag(type, options) do - safe_join sources.map { |source| tag("source", :src => send("path_to_#{type}", source)) } - end - else - options[:src] = send("path_to_#{type}", sources.first) - content_tag(type, nil, options) - end - end - end - end -end |