GitHub - rezalina/respond_to_parent: Enable access to an iframe's parent element, for Rails 3 (Extraction from http://github.com/vhochstein/active

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lib		lib
test		test
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README		README
Rakefile		Rakefile
init.rb		init.rb
install.rb		install.rb
uninstall.rb		uninstall.rb

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RespondsToParent
================

Adds responds_to_parent to your controller to respond to the parent document of your page.
Make Ajaxy file uploads by posting the form to a hidden iframe, and respond with
RJS to the parent window.

http://sean.treadway.info/responds-to-parent/


Example
=======

Controller:

  class Test < ActionController::Base
    def main
    end

    def form_action
      # Do stuff with params[:uploaded_file]

      responds_to_parent do
        render :update do |page|
          page << "alert($('stuff').innerHTML)"
        end
      end
    end
  end

main.rhtml:

  <html>
    <body>
      <div id="stuff">Here is some stuff</div>

      <form target="frame" action="form_action">
        <input type="file" name="uploaded_file"/>
        <input type="submit"/>
      </form>

      <iframe id='frame' name="frame"></iframe>
    </body>
  </html>


Copyright (c) 2006 Sean Treadway, released under the MIT license