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Contents
# Module containing the methods useful for child IFRAME to parent window communication
module RespondsToParent
# 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.
def responds_to_parent(&block)
yield
if performed?
# We're returning HTML instead of JS or XML now
response.headers['Content-Type'] = 'text/html; charset=UTF-8'
# Either pull out a redirect or the request body
script = if location = erase_redirect_results
"document.location.href = #{location.to_s.inspect}"
else
response.body
end
# Escape quotes, linebreaks and slashes, maintaining previously escaped slashes
# Suggestions for improvement?
script = (script || '').
gsub('\\', '\\\\\\').
gsub(/\r\n|\r|\n/, '\\n').
gsub(/['"]/, '\\\\\&').
gsub('</script>','</scr"+"ipt>')
# Clear out the previous render to prevent double render
erase_results
# 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
render :text => "<html><body><script type='text/javascript' charset='utf-8'>
var loc = document.location;
with(window.parent) { setTimeout(function() { window.eval('#{script}'); loc.replace('about:blank'); }, 1) }
</script></body></html>"
end
end
alias respond_to_parent responds_to_parent
end
ActionController::Base.send :include, RespondsToParent
Version data entries
7 entries across 7 versions & 2 rubygems