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Diffstat (limited to 'actionview/lib/action_view/routing_url_for.rb')
| -rw-r--r-- | actionview/lib/action_view/routing_url_for.rb | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/actionview/lib/action_view/routing_url_for.rb b/actionview/lib/action_view/routing_url_for.rb new file mode 100644 index 0000000000..33be06cbf7 --- /dev/null +++ b/actionview/lib/action_view/routing_url_for.rb @@ -0,0 +1,109 @@ +module ActionView + module RoutingUrlFor + + # Returns the URL for the set of +options+ provided. This takes the + # same options as +url_for+ in Action Controller (see the + # documentation for <tt>ActionController::Base#url_for</tt>). Note that by default + # <tt>:only_path</tt> is <tt>true</tt> so you'll get the relative "/controller/action" + # instead of the fully qualified URL like "http://example.com/controller/action". + # + # ==== Options + # * <tt>:anchor</tt> - Specifies the anchor name to be appended to the path. + # * <tt>:only_path</tt> - If true, returns the relative URL (omitting the protocol, host name, and port) (<tt>true</tt> by default unless <tt>:host</tt> is specified). + # * <tt>:trailing_slash</tt> - If true, adds a trailing slash, as in "/archive/2005/". Note that this + # is currently not recommended since it breaks caching. + # * <tt>:host</tt> - Overrides the default (current) host if provided. + # * <tt>:protocol</tt> - Overrides the default (current) protocol if provided. + # * <tt>:user</tt> - Inline HTTP authentication (only plucked out if <tt>:password</tt> is also present). + # * <tt>:password</tt> - Inline HTTP authentication (only plucked out if <tt>:user</tt> is also present). + # + # ==== Relying on named routes + # + # Passing a record (like an Active Record) instead of a hash as the options parameter will + # trigger the named route for that record. The lookup will happen on the name of the class. So passing a + # Workshop object will attempt to use the +workshop_path+ route. If you have a nested route, such as + # +admin_workshop_path+ you'll have to call that explicitly (it's impossible for +url_for+ to guess that route). + # + # ==== Implicit Controller Namespacing + # + # Controllers passed in using the +:controller+ option will retain their namespace unless it is an absolute one. + # + # ==== Examples + # <%= url_for(action: 'index') %> + # # => /blog/ + # + # <%= url_for(action: 'find', controller: 'books') %> + # # => /books/find + # + # <%= url_for(action: 'login', controller: 'members', only_path: false, protocol: 'https') %> + # # => https://www.example.com/members/login/ + # + # <%= url_for(action: 'play', anchor: 'player') %> + # # => /messages/play/#player + # + # <%= url_for(action: 'jump', anchor: 'tax&ship') %> + # # => /testing/jump/#tax&ship + # + # <%= url_for(Workshop.new) %> + # # relies on Workshop answering a persisted? call (and in this case returning false) + # # => /workshops + # + # <%= url_for(@workshop) %> + # # calls @workshop.to_param which by default returns the id + # # => /workshops/5 + # + # # to_param can be re-defined in a model to provide different URL names: + # # => /workshops/1-workshop-name + # + # <%= url_for("http://www.example.com") %> + # # => http://www.example.com + # + # <%= url_for(:back) %> + # # if request.env["HTTP_REFERER"] is set to "http://www.example.com" + # # => http://www.example.com + # + # <%= url_for(:back) %> + # # if request.env["HTTP_REFERER"] is not set or is blank + # # => javascript:history.back() + # + # <%= url_for(action: 'index', controller: 'users') %> + # # Assuming an "admin" namespace + # # => /admin/users + # + # <%= url_for(action: 'index', controller: '/users') %> + # # Specify absolute path with beginning slash + # # => /users + def url_for(options = nil) + case options + when String + options + when nil, Hash + options ||= {} + options = { :only_path => options[:host].nil? }.merge!(options.symbolize_keys) + super + when :back + _back_url + when Array + polymorphic_path(options, options.extract_options!) + else + polymorphic_path(options) + end + end + + def url_options #:nodoc: + return super unless controller.respond_to?(:url_options) + controller.url_options + end + + def _routes_context #:nodoc: + controller + end + protected :_routes_context + + def optimize_routes_generation? #:nodoc: + controller.respond_to?(:optimize_routes_generation?, true) ? + controller.optimize_routes_generation? : super + end + protected :optimize_routes_generation? + end +end |