kensho_on_green_shoes.rb

require '../lib/green_shoes'

class Kensho < Shoes
  url '/', :index
  url '/validate', :validate

  def index
    stack do
      flow do
        para "kensho"
      end

      flow do
        @type = list_box items: ['HTML', 'CSS', 'XML'], choose: 'HTML'
      end

      flow do
        @markup = edit_box
      end
      
      flow do
        button('Validate') do
          $data = [@type.text, @markup.text]
          visit '/validate'
        end 
      end
    end
  end

  def validate
    para *$data
  end
end

Shoes.app width: 400, height: 400, title: 'kensho'