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Explain how to use the :href option for link_to_remote to degrade gra…

…cefully in the absence of JavaScript. Closes #8911 [vlad]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8100 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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commit 563d9efdf35d2bf8ea3640e720519b4bb1a30778 1 parent 0230fc9
Marcel Molina authored
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2  actionpack/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Explain how to use the :href option for link_to_remote to degrade gracefully in the absence of JavaScript. Closes #8911 [vlad]
+
* Disambiguate :size option for text area tag. Closes #8955 [redbeard]
* Fix broken tag in assert_tag documentation. Closes #9037 [mfazekas]
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11 actionpack/lib/action_view/helpers/prototype_helper.rb
@@ -136,6 +136,17 @@ module PrototypeHelper
# default this is the current form, but
# it could just as well be the ID of a
# table row or any other DOM element.
+ #
+ # You can generate a link that uses AJAX in the general case, while
+ # degrading gracefully to plain link behavior in the absence of
+ # JavaScript by setting <tt>html_options[:href]</tt> to an alternate URL.
+ # Note the extra curly braces around the <tt>options</tt> hash separate
+ # it as the second parameter from <tt>html_options</tt>, the third.
+ #
+ # Example:
+ # link_to_remote "Delete this post",
+ # { :update => "posts", :url => { :action => "destroy", :id => post.id } },
+ # :href => url_for(:action => "destroy", :id => post.id)
def link_to_remote(name, options = {}, html_options = nil)
link_to_function(name, remote_function(options), html_options || options.delete(:html))
end

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