gistfile1.rb

about.html.haml:

= throw_content :main_pl do
  %br
  - if @admin
    = "Tutaj proszę wprowadzić tekst formatowany:"
    %script{ :type => "text/javascript" }
      $(document).ready(pocalujmniewdupe);
      pocalujmniewdupe();
    = form_for :text, :class => :text, :action => url( :action => :about, :method => :post ) do
      %textarea{ :name => :content, :style => "width:100%; height:20em;" }
        = @content.about_content
      %div{ :style => "margin-top: 25px;" }
        = "Podgląd wygenerowanej treści na stronie:"
      = submit "Aktualizuj treść strony"
    %fieldset
      .generated_content= @generated_content
  - else
    .generated_content= @generated_content
  %br

gistfile2.rb

 def about
    if request.get?
      if Content.count == 0
        @content = Content.new( :about_content => "h1. O mnie." ) 
      else
        @content = Content.find(:first)
      end
      Merb.logger.debug request.inspect
      Merb.logger.debug request.get?
      Merb.logger.debug request.post?
      render
    else #request.post?
      Merb.logger.debug request.inspect
      Merb.logger.debug request.get?
      Merb.logger.debug request.post?
      @content = Content.find(:first)
      @content.about_content = params[:content]
      Merb.logger.info "\n\nABOUT POST: " + @content.about_content.inspect if $debug
      @content.save!
    end
    @generated_content = @content.about_content
    Merb.logger.info "\n\nABOUT UPDATE GENERATED:\n\n" + @generated_content if $debug
  end