Generate "Add to TomTom" button

tomtom_helper.rb

module TomTomHelper
  
  # Generate Add To TomTom button
  # You can pass following options hash:
  #  name - place name
  #  latitude - decimal latitude
  #  longitude - decimal longitude
  #  attribution - your attribution
  #  logo - link to your logo
  #
  # You can get API key here:
  #  https://www.tomtom.com/myTomTom/myProfile/apikey.php?generate=1
  # 
  # More information:
  #  http://www.tomtom.com/lib/doc/TomTomTips/index.html

  def add_to_tomtom_button(options)
    options = {
      :action       => 'add',
      :apikey       => 'YOUR TOM TOM APIKEY',
      :name         => nil,
      :latitude     => nil, 
      :longitude    => nil,
      :attribution  => t('generic.page_title'),
      :logo         => nil
    }.merge(options)
    
    url = "http://addto.tomtom.com/api/home/v2/georeference?"
    
    options.each { |k,v| url << [ k, CGI::escape(v.to_s) ].join('=') + '&' }
    
    img = image_tag('http://addto.tomtom.com/api/images/addtotomtom-button.gif', :alt => 'Add to TomTom')
    
    link_to img, url
  end
end