ilya_cell.rb

def on_load
  find(self).apply_style :ilya_cell
  find(self.contentView).apply_style :ilya_cell_content
end

ilya_cell_stylesheet.rb

module IlyaCellStylesheet
  def ilya_cell_height
    80
  end
  
  def ilya_cell(st)
    st.frame = {w: screen_width, h: ilya_cell_height}
  end
  
  def ilya_cell_content(st)
    st.frame = {w: screen_width, h: ilya_cell_height}
  end
end

ilya_screen.rb

def table_data
  
  [
    {cells: [
      {cell_class: IlyaCell, height: stylesheet.ilya_cell_height}
    ]}
  ]
  
end

ilya_screen_stylesheet.rb

class IlyaScreenStylesheet
  include IlyaCellStylesheet
end