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module ActionView
module Helpers
module PrototypeHelper
def update_element_function(element_id, options = {}, &block)
content = escape_javascript(options[:content] || '')
content = escape_javascript(capture(&block)) if block
javascript_function = case (options[:action] || :update)
when :update
if options[:position]
"new Insertion.#{options[:position].to_s.camelize}('#{element_id}','#{content}')"
else
"$('#{element_id}').innerHTML = '#{content}'"
end
when :empty
"$('#{element_id}').innerHTML = ''"
when :remove
"Element.remove('#{element_id}')"
else
raise ArgumentError, "Invalid action, choose one of :update, :remove, :empty"
end
javascript_function << ";\n"
options[:binding] ? concat(javascript_function, options[:binding]) : javascript_function
end
deprecate :update_element_function => "use RJS instead"
end
end
end
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