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module ActiveScaffold
# 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
return unless performed?
# Either pull out a redirect or the request body
script = if response.headers['Location']
"document.location.href = '#{self.class.helpers.escape_javascript location.to_s}'"
else
response.body || ''
end
# 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>"
# We're returning HTML instead of JS or XML now
response.headers['Content-Type'] = 'text/html; charset=UTF-8'
# 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
render :text => script
end
alias_method :respond_to_parent, :responds_to_parent
end
end
Version data entries
14 entries across 14 versions & 1 rubygems