middleman/lib/middleman/helpers.rb
2009-11-03 12:49:54 -08:00

72 lines
2.2 KiB
Ruby

module Middleman
class Base
def self.asset_url(path, prefix="", request=nil)
base_url = File.join(self.http_prefix, prefix)
path.include?("://") ? path : File.join(base_url, path)
end
end
module Helpers
def haml_partial(name, options = {})
haml name.to_sym, options.merge(:layout => false)
end
def auto_stylesheet_link_tag
path = request.path_info.dup
path << self.class.index_file if path.match(%r{/$})
path = path.gsub(%r{^/}, '')
path = path.gsub(File.extname(path), '')
css_file = File.join(self.class.public, self.class.css_dir, "#{path}.css")
sass_file = File.join(self.class.views, self.class.css_dir, "#{path}.css.sass")
if File.exists?(css_file) || File.exists?(sass_file)
stylesheet_link_tag "#{path}.css"
end
end
def page_classes
path = request.path_info.dup
path << options.index_file if path.match(%r{/$})
path = path.gsub(%r{^/}, '')
classes = []
parts = path.split('.')[0].split('/')
parts.each_with_index { |path, i| classes << parts.first(i+1).join('_') }
classes.join(' ')
end
def asset_url(path, prefix="")
self.class.asset_url(path, prefix, request)
end
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 image_tag(path, params={})
params[:alt] ||= ""
prefix = options.http_images_path rescue options.images_dir
params = params.merge(:src => asset_url(path, prefix))
params = params.map { |k,v| %Q{#{k}="#{v}"}}.join(' ')
"<img #{params} />"
end
def javascript_include_tag(path, params={})
params = params.merge(:src => asset_url(path, options.js_dir), :type => "text/javascript")
params = params.map { |k,v| %Q{#{k}="#{v}"}}.join(' ')
"<script #{params}></script>"
end
def stylesheet_link_tag(path, params={})
params[:rel] ||= "stylesheet"
params = params.merge(:href => asset_url(path, options.css_dir), :type => "text/css")
params = params.map { |k,v| %Q{#{k}="#{v}"}}.join(' ')
"<link #{params} />"
end
end
end