ApplicationHelper with render a partial method

ApplicationHelper with render a partial method .rb

# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper
  
  # Helper to render a partial with or without a block.
  def render_a_partial(partial_name, options = {}, &block)
    if block_given?
      options.merge!(:body => capture(&block))
      concat(render(:partial => partial_name, :locals => options), block.binding)
    else
      render(:partial => partial_name, :locals => options)
    end
  end
  
  def render_content_panel(title, options = {}, &block)
    render_a_partial('layouts/content_panel', options.merge(:title => title), &block)
  end
  
  def render_sidebar_menu(title, options = {})
    render_a_partial('layouts/sidebar_menu', options.merge(:title => title))
  end
end