def render(options = nil, extra_options = {}, &block)
raise DoubleRenderError, "Can only render or redirect once per action" if performed?
if options.nil?
return render_for_file(default_template_name, nil, true)
elsif !extra_options.is_a?(Hash)
raise RenderError, "You called render with invalid options : #{options.inspect}, #{extra_options.inspect}"
else
if options == :update
options = extra_options.merge({ :update => true })
elsif !options.is_a?(Hash)
raise RenderError, "You called render with invalid options : #{options.inspect}"
end
end
if content_type = options[:content_type]
response.content_type = content_type.to_s
end
if location = options[:location]
response.headers["Location"] = url_for(location)
end
if options.has_key?(:text)
render_for_text(options[:text], options[:status])
else
if file = options[:file]
render_for_file(file, options[:status], options[:use_full_path], options[:locals] || {})
elsif template = options[:template]
render_for_file(template, options[:status], true, options[:locals] || {})
elsif inline = options[:inline]
add_variables_to_assigns
tmpl = ActionView::InlineTemplate.new(@template, options[:inline], options[:locals], options[:type])
render_for_text(@template.render_template(tmpl), options[:status])
elsif action_name = options[:action]
template = default_template_name(action_name.to_s)
if options[:layout] && !template_exempt_from_layout?(template)
render_with_a_layout(:file => template, :status => options[:status], :use_full_path => true, :layout => true)
else
render_with_no_layout(:file => template, :status => options[:status], :use_full_path => true)
end
elsif xml = options[:xml]
response.content_type ||= Mime::XML
render_for_text(xml.respond_to?(:to_xml) ? xml.to_xml : xml, options[:status])
elsif json = options[:json]
json = json.to_json unless json.is_a?(String)
json = "#{options[:callback]}(#{json})" unless options[:callback].blank?
response.content_type ||= Mime::JSON
render_for_text(json, options[:status])
elsif partial = options[:partial]
partial = default_template_name if partial == true
add_variables_to_assigns
if collection = options[:collection]
render_for_text(
@template.send!(:render_partial_collection, partial, collection,
options[:spacer_template], options[:locals]), options[:status]
)
else
render_for_text(
@template.send!(:render_partial, partial,
ActionView::Base::ObjectWrapper.new(options[:object]), options[:locals]), options[:status]
)
end
elsif options[:update]
add_variables_to_assigns
@template.send! :evaluate_assigns
generator = ActionView::Helpers::PrototypeHelper::JavaScriptGenerator.new(@template, &block)
response.content_type = Mime::JS
render_for_text(generator.to_s, options[:status])
elsif options[:nothing]
render_for_text(" ", options[:status])
else
render_for_file(default_template_name, options[:status], true)
end
end
end