Method: Toolbox::Renderer#value

Defined in:
lib/toolbox/rendering.rb

#value(rec) ⇒ Object

Get the field value out of a model object If the attribute method is defined and it’s a symbol, this method is called on the model object If the attribute method is defined and it’s a block (Proc), the block is called with the model object as parameter In all other cases, the field name is interpreted as method and called on the model object



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# File 'lib/toolbox/rendering.rb', line 33

def value(rec)
  val = rec.send(@widget_config.model_method) if @widget_config.model_method && @widget_config.model_method.is_a?(Symbol)
  val = @widget_config.model_method.call(rec) if @widget_config.model_method && @widget_config.model_method.is_a?(Proc)
  unless val # fallback
    a = @widget_config.name.to_s.split('.')
    a.each do |t|
      rec = rec.send(t)
      break unless rec # stop if nil is returned
    end
    val = rec
  end
  val = nil if val == ''
  val
end