tags_in_haml.haml

- ot_sensor_data_proxy = capture_haml do
  - probe_type = data_collector.probe_type
  %OTSensorDataProxy{ :local_id => ot_local_id_for(data_collector, :data_proxy) }
    %request
      %OTExperimentRequest{ :period => probe_type.period.to_s }
        %sensorRequests
          %OTSensorRequest{ :stepSize         => probe_type.step_size.to_s, 
                            :type             => probe_type.ptype.to_s,
                            :unit             => probe_type.unit,
                            :port             => probe_type.port.to_s, 
                            :requiredMax      => probe_type.max.to_s,
                            :requiredMin      => probe_type.min.to_s,
                            :displayPrecision => "#{data_collector.probe_type.display_precision}" }
    - if data_collector.show_tare
      %zeroSensor
        %OTZeroSensor{:sensorIndex => '0', :local_id=> ot_local_id_for(data_collector, :zero_action) }

tags_in_helper.rb

  def ot_sensor_data_proxy(data_collector)
    probe_type = data_collector.probe_type
    capture_haml do
      haml_tag :OTSensorDataProxy, :local_id => ot_local_id_for(data_collector, :data_proxy) do
        haml_tag :request do
           haml_tag :OTExperimentRequest, :period => probe_type.period.to_s do
             haml_tag :sensorRequests do
               haml_tag :OTSensorRequest, :stepSize => probe_type.step_size.to_s, 
                :type => probe_type.ptype.to_s, :unit => probe_type.unit, :port => probe_type.port.to_s, 
                :requiredMax => probe_type.max.to_s, :requiredMin => probe_type.min.to_s,
                :displayPrecision => "#{data_collector.probe_type.display_precision}"
            end
          end
        end
        if data_collector.show_tare
          haml_tag :zeroSensor do
            haml_tag :OTZeroSensor, :sensorIndex => '0', :local_id=> ot_local_id_for(data_collector, :zero_action)
          end
        end
      end
    end
  end