module ActiveScaffold::RespondsToParent
Module containing the methods useful for child IFRAME to parent window communication
Public Instance Methods
Source
# File lib/active_scaffold/responds_to_parent.rb, line 7 def responds_to_parent(&) yield return unless performed? # Either pull out a redirect or the request body script = if response.has_header? 'location' "document.location.href = '#{self.class.helpers.escape_javascript response.delete_header('location').to_s}'" else response.body || '' end response.status = 200 if (300...400).cover? response.status # Eval in parent scope and replace document location of this frame # so back button doesn't replay action on targeted forms # loc = document.location to be set after parent is updated for IE # with(window.parent) - pull in variables from parent window # setTimeout - scope the execution in the windows parent for safari # window.eval - legal eval for Opera script = "<html><body><script type='text/javascript' charset='utf-8'> var loc = document.location; with(window.parent) { setTimeout(function() { window.eval('#{self.class.helpers.escape_javascript script}'); window.loc && loc.replace('about:blank'); }, 1) } </script></body></html>" # Clear out the previous render to prevent double render and then render if respond_to?(:erase_results, true) erase_results else instance_variable_set(:@_response_body, nil) end # We're returning HTML instead of JS now, content_type needed if not inside respond_to block render html: script.html_safe, content_type: 'text/html' # rubocop:disable Rails/OutputSafety end
Executes the response body as JavaScript in the context of the parent window. Use this method of you are posting a form to a hidden IFRAME or if you would like to use IFRAME base RPC.
Also aliased as: respond_to_parent