ColPanic

<p>
<form name="sform" action="" style="display:inline;">
<label for="item_name">Filter on item name  : </label>
<%= text_field_tag("query", params['query'], :size => 10 ) %>
</form>

<%= image_tag("spinner.gif",
              :align => "absmiddle",
              :border => 0,
              :id => "spinner",

ColPanic

   @esi_dev = Kernel.const_get("Esi#{self.model_name}").new(@device.attributes.delete_if{|k,v|!Kernel.const_get("Esi#{self.model_name}").respond_to?(k)})

ColPanic

  # This will associate ANY device type with an ESI and create the
  # associated EsiDeviceType record properly populated.
  def add_device

        #Look up device to add
        @device = Kernel.const_get(self.model_name).find(params[:id])

        #Ok, this line is some serious black magic and needs explained...
	# 1.  Extract the name of the model	(device	type)

ColPanic

The object:

EsiElectricMeter(esi_electric_meter_id: integer, electric_meter_id: integer, esi_id: integer, device_mq_id: integer, name: string, status: string, comments: text, active_flag: string, delete_flag: string, initial_meter_reading: integer, final_meter_reading: integer, meter_reading_delta: integer, submeter_flag: string, ct_factor: integer, esi_electric_meter_history_id: integer, date_created: timestamp, date_updated: timestamp)

irb(main):126:0* EsiElectricMeter.respond_to?("esi_electric_meter_id")
=> false
irb(main):127:0> 
irb(main):128:0* EsiElectricMeter.respond_to?("electric_meter_id")
=> false