middleman--middleman/lib/middleman/helpers.rb

def link_to(title, url="#", params={})
  params.merge!(:href => url)
  params = params.map { |k,v| %Q{#{k}="#{v}"}}.join(' ')
  %Q{<a #{params}>#{title}</a>}
end

def page_classes(*additional)
  classes = []
  parts = @full_request_path.split('.')[0].split('/')
  parts.each_with_index { |path, i| classes << parts.first(i+1).join('_') }

  classes << "index" if classes.empty?
  classes += additional unless additional.empty?
  classes.join(' ')
end

def haml_partial(name, options = {})
  item_name = name.to_sym
  counter_name = "#{name}_counter".to_sym
  if collection = options.delete(:collection)
    collection.enum_for(:each_with_index).collect do |item,index|
      haml_partial name, options.merge(:locals => {item_name => item, counter_name => index+1})
    end.join
  elsif object = options.delete(:object)
    haml_partial name, options.merge(:locals => {item_name => object, counter_name => nil})
  else
    haml "_#{name}".to_sym, options.merge(:layout => false)
  end
end

def asset_url(path)
  path.include?("://") ? path : "/#{path}"
end

def image_tag(path, options={})
  options[:alt] ||= ""
  capture_haml do
    haml_tag :img, options.merge(:src => asset_url(path))
  end
end

def javascript_include_tag(path, options={})
  capture_haml do
    haml_tag :script, options.merge(:src => asset_url(path), :type => "text/javascript")
  end
end

def stylesheet_link_tag(path, options={})
  options[:rel] ||= "stylesheet"
  capture_haml do
    haml_tag :link, options.merge(:href => asset_url(path), :type => "text/css")
  end
end