diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/url_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/url_helper.rb | 78 |
1 files changed, 49 insertions, 29 deletions
diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb index 5488c752cc..0c2e1aa3a9 100644 --- a/actionpack/lib/action_view/helpers/url_helper.rb +++ b/actionpack/lib/action_view/helpers/url_helper.rb @@ -55,9 +55,9 @@ module ActionView # # ==== Relying on named routes # - # If you instead of a hash pass a record (like an Active Record or Active Resource) as the options parameter, - # you'll 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 + # Passing a record (like an Active Record or Active Resource) 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). # # ==== Examples @@ -112,13 +112,13 @@ module ActionView end end - # Creates a link tag of the given +name+ using a URL created by the set - # of +options+. See the valid options in the documentation for - # +url_for+. It's also possible to pass a string instead - # of an options hash to get a link tag that uses the value of the string as the - # href for the link, or use <tt>:back</tt> to link to the referrer - a JavaScript back - # link will be used in place of a referrer if none exists. If +nil+ is passed as - # a name, the link itself will become the name. + # Creates a link tag of the given +name+ using a URL created by the set of +options+. + # See the valid options in the documentation for +url_for+. It's also possible to + # pass a String instead of an options hash, which generates a link tag that uses the + # value of the String as the href for the link. Using a <tt>:back</tt> Symbol instead + # of an options hash will generate a link to the referrer (a JavaScript back link + # will be used in place of a referrer if none exists). If +nil+ is passed as the name + # the value of the link itself will become the name. # # ==== Signatures # @@ -160,7 +160,7 @@ module ActionView # # ==== Examples # Because it relies on +url_for+, +link_to+ supports both older-style controller/action/id arguments - # and newer RESTful routes. Current Rails style favors RESTful routes whenever possible, so base + # and newer RESTful routes. Current Rails style favors RESTful routes whenever possible, so base # your application on resources and use # # link_to "Profile", profile_path(@profile) @@ -268,7 +268,7 @@ module ActionView # to change the HTTP verb used to submit the form. # # ==== Options - # The +options+ hash accepts the same options as url_for. + # The +options+ hash accepts the same options as +url_for+. # # There are a few special +html_options+: # * <tt>:method</tt> - Symbol of HTTP verb. Supported verbs are <tt>:post</tt>, <tt>:get</tt>, @@ -278,7 +278,8 @@ module ActionView # prompt with the question specified. If the user accepts, the link is # processed normally, otherwise no action is taken. # * <tt>:remote</tt> - If set to true, will allow the Unobtrusive JavaScript drivers to control the - # submit behaviour. By default this behaviour is an ajax submit. + # submit behavior. By default this behavior is an ajax submit. + # * <tt>:form</tt> - This hash will be form attributes # * <tt>:form_class</tt> - This controls the class of the form within which the submit button will # be placed # @@ -295,6 +296,12 @@ module ActionView # # </form>" # # + # <%= button_to "Create", :action => "create", :remote => true, :form => { "data-type" => "json" } %> + # # => "<form method="post" action="/images/create" class="button_to" data-remote="true" data-type="json"> + # # <div><input value="Create" type="submit" /></div> + # # </form>" + # + # # <%= button_to "Delete Image", { :action => "delete", :id => @image.id }, # :confirm => "Are you sure?", :method => :delete %> # # => "<form method="post" action="/images/delete/1" class="button_to"> @@ -324,10 +331,11 @@ module ActionView end form_method = method.to_s == 'get' ? 'get' : 'post' - form_class = html_options.delete('form_class') || 'button_to' - + form_options = html_options.delete('form') || {} + form_options[:class] ||= html_options.delete('form_class') || 'button_to' + remote = html_options.delete('remote') - + request_token_tag = '' if form_method == 'post' && protect_against_forgery? request_token_tag = tag(:input, :type => "hidden", :name => request_forgery_protection_token.to_s, :value => form_authenticity_token) @@ -340,15 +348,17 @@ module ActionView html_options.merge!("type" => "submit", "value" => name) - ("<form method=\"#{form_method}\" action=\"#{ERB::Util.html_escape(url)}\" #{"data-remote=\"true\"" if remote} class=\"#{ERB::Util.html_escape(form_class)}\"><div>" + - method_tag + tag("input", html_options) + request_token_tag + "</div></form>").html_safe + form_options.merge!(:method => form_method, :action => url) + form_options.merge!("data-remote" => "true") if remote + + "#{tag(:form, form_options, true)}<div>#{method_tag}#{tag("input", html_options)}#{request_token_tag}</div></form>".html_safe end # Creates a link tag of the given +name+ using a URL created by the set of # +options+ unless the current request URI is the same as the links, in # which case only the name is returned (or the given block is yielded, if - # one exists). You can give +link_to_unless_current+ a block which will + # one exists). You can give +link_to_unless_current+ a block which will # specialize the default behavior (e.g., show a "Start Here" link rather # than the link's text). # @@ -375,7 +385,7 @@ module ActionView # </ul> # # The implicit block given to +link_to_unless_current+ is evaluated if the current - # action is the action given. So, if we had a comments page and wanted to render a + # action is the action given. So, if we had a comments page and wanted to render a # "Go Back" link instead of a link to the comments page, we could do something like this... # # <%= @@ -497,14 +507,14 @@ module ActionView }.compact extras = extras.empty? ? '' : '?' + ERB::Util.html_escape(extras.join('&')) - email_address_obfuscated = email_address.dup + email_address_obfuscated = email_address.to_str email_address_obfuscated.gsub!(/@/, html_options.delete("replace_at")) if html_options.key?("replace_at") email_address_obfuscated.gsub!(/\./, html_options.delete("replace_dot")) if html_options.key?("replace_dot") case encode when "javascript" string = '' html = content_tag("a", name || email_address_obfuscated.html_safe, html_options.merge("href" => "mailto:#{email_address}#{extras}".html_safe)) - html = escape_javascript(html) + html = escape_javascript(html.to_str) "document.write('#{html}');".each_byte do |c| string << sprintf("%%%x", c) end @@ -569,6 +579,12 @@ module ActionView # # current_page?(:controller => 'library', :action => 'checkout') # # => false + # + # Let's say we're in the <tt>/products</tt> action with method POST in case of invalid product. + # + # current_page?(:controller => 'product', :action => 'index') + # # => false + # def current_page?(options) unless request raise "You cannot use helpers that need to determine the current " \ @@ -576,10 +592,12 @@ module ActionView "in a #request method" end + return false unless request.get? + url_string = url_for(options) # We ignore any extra parameters in the request_uri if the - # submitted url doesn't have any either. This lets the function + # submitted url doesn't have any either. This lets the function # work with things like ?order=asc if url_string.index("?") request_uri = request.fullpath @@ -596,9 +614,7 @@ module ActionView private def convert_options_to_data_attributes(options, html_options) - if html_options.nil? - link_to_remote_options?(options) ? {'data-remote' => 'true'} : {} - else + if html_options html_options = html_options.stringify_keys html_options['data-remote'] = 'true' if link_to_remote_options?(options) || link_to_remote_options?(html_options) @@ -611,6 +627,8 @@ module ActionView add_method_to_attributes!(html_options, method) if method html_options + else + link_to_remote_options?(options) ? {'data-remote' => 'true'} : {} end end @@ -619,7 +637,9 @@ module ActionView end def add_method_to_attributes!(html_options, method) - html_options["rel"] = "nofollow" if method.to_s.downcase != "get" + if method && method.to_s.downcase != "get" && html_options["rel"] !~ /nofollow/ + html_options["rel"] = "#{html_options["rel"]} nofollow".strip + end html_options["data-method"] = method end @@ -641,7 +661,7 @@ module ActionView # Processes the +html_options+ hash, converting the boolean # attributes from true/false form into the form required by - # HTML/XHTML. (An attribute is considered to be boolean if + # HTML/XHTML. (An attribute is considered to be boolean if # its name is listed in the given +bool_attrs+ array.) # # More specifically, for each boolean attribute in +html_options+ @@ -651,7 +671,7 @@ module ActionView # # if the associated +bool_value+ evaluates to true, it is # replaced with the attribute's name; otherwise the attribute is - # removed from the +html_options+ hash. (See the XHTML 1.0 spec, + # removed from the +html_options+ hash. (See the XHTML 1.0 spec, # section 4.5 "Attribute Minimization" for more: # http://www.w3.org/TR/xhtml1/#h-4.5) # |