2013-04-20 23:36:38 +02:00
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class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
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2013-04-14 03:32:52 +02:00
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2013-04-20 23:36:38 +02:00
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def initialize(app, options_hash={}, &block)
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super
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2011-06-22 21:13:35 +02:00
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2013-04-20 23:36:38 +02:00
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require 'active_support/core_ext/object/to_query'
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require 'padrino-helpers'
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2012-04-13 14:55:21 +02:00
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2013-04-20 23:36:38 +02:00
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app.helpers ::Padrino::Helpers::OutputHelpers
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app.helpers ::Padrino::Helpers::TagHelpers
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app.helpers ::Padrino::Helpers::AssetTagHelpers
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app.helpers ::Padrino::Helpers::FormHelpers
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app.helpers ::Padrino::Helpers::FormatHelpers
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app.helpers ::Padrino::Helpers::RenderHelpers
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app.helpers ::Padrino::Helpers::NumberHelpers
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2013-04-23 07:07:35 +02:00
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# app.helpers ::Padrino::Helpers::TranslationHelpers
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2013-05-03 20:24:05 +02:00
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# app.helpers ::Padrino::Helpers::Breadcrumbs
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2012-04-13 14:55:21 +02:00
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2013-04-20 23:36:38 +02:00
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app.config.define_setting :relative_links, false, 'Whether to generate relative links instead of absolute ones'
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end
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2011-06-22 21:13:35 +02:00
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2013-04-20 23:36:38 +02:00
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# The helpers
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helpers do
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# Disable Padrino cache buster
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def asset_stamp
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false
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end
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2012-04-13 14:55:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Output a stylesheet link tag based on the current path
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#
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# @return [String]
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def auto_stylesheet_link_tag
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auto_tag(:css) do |path|
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stylesheet_link_tag path
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end
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end
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2012-04-13 14:55:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Output a javascript tag based on the current path
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#
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# @return [String]
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def auto_javascript_include_tag
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auto_tag(:js) do |path|
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javascript_include_tag path
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end
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end
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2012-04-13 14:55:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Output a stylesheet link tag based on the current path
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#
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# @param [Symbol] asset_ext The type of asset
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# @param [String] asset_dir Where to look for assets
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# @return [void]
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def auto_tag(asset_ext, asset_dir=nil)
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if asset_dir.nil?
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asset_dir = case asset_ext
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when :js then js_dir
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when :css then css_dir
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2012-05-07 23:41:39 +02:00
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end
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2013-04-20 23:36:38 +02:00
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end
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2012-05-07 23:41:39 +02:00
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2013-04-20 23:36:38 +02:00
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# If the basename of the request as no extension, assume we are serving a
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# directory and join index_file to the path.
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path = File.join(asset_dir, current_path)
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path = path.sub(/#{File.extname(path)}$/, ".#{asset_ext}")
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2012-04-28 07:05:52 +02:00
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2013-04-20 23:36:38 +02:00
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yield path if sitemap.find_resource_by_path(path)
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end
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2013-04-10 05:21:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Generate body css classes based on the current path
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#
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# @return [String]
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def page_classes
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path = current_path.dup
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path << index_file if path.end_with?('/')
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path = ::Middleman::Util.strip_leading_slash(path)
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2013-02-09 07:22:33 +01:00
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2013-04-20 23:36:38 +02:00
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classes = []
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parts = path.split('.').first.split('/')
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parts.each_with_index { |path, i| classes << parts.first(i+1).join('_') }
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2013-02-09 07:22:33 +01:00
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2013-04-20 23:36:38 +02:00
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classes.join(' ')
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end
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2013-04-10 05:21:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Get the path of a file of a given type
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#
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# @param [Symbol] kind The type of file
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# @param [String] source The path to the file
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# @return [String]
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def asset_path(kind, source)
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return source if source.to_s.include?('//')
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asset_folder = case kind
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when :css then css_dir
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when :js then js_dir
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when :images then images_dir
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when :fonts then fonts_dir
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else kind.to_s
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end
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source = source.to_s.tr(' ', '')
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ignore_extension = (kind == :images || kind == :fonts) # don't append extension
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source << ".#{kind}" unless ignore_extension || source.end_with?(".#{kind}")
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asset_folder = "" if source.start_with?('/') # absolute path
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2013-02-09 07:22:33 +01:00
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2013-04-20 23:36:38 +02:00
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asset_url(source, asset_folder)
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end
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2013-04-10 05:21:21 +02:00
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2013-04-20 23:36:38 +02:00
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# Get the URL of an asset given a type/prefix
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#
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# @param [String] path The path (such as "photo.jpg")
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# @param [String] prefix The type prefix (such as "images")
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# @return [String] The fully qualified asset url
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def asset_url(path, prefix="")
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# Don't touch assets which already have a full path
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if path.include?("//")
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path
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else # rewrite paths to use their destination path
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path = File.join(prefix, path)
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if resource = sitemap.find_resource_by_path(path)
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resource.url
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else
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File.join(config[:http_prefix], path)
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2013-02-09 07:22:33 +01:00
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end
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2013-04-20 23:36:38 +02:00
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end
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end
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2013-02-09 07:22:33 +01:00
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2013-04-20 23:36:38 +02:00
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# Given a source path (referenced either absolutely or relatively)
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# or a Resource, this will produce the nice URL configured for that
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# path, respecting :relative_links, directory indexes, etc.
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def url_for(path_or_resource, options={})
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# Handle Resources and other things which define their own url method
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url = path_or_resource.respond_to?(:url) ? path_or_resource.url : path_or_resource
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begin
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uri = URI(url)
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rescue URI::InvalidURIError
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# Nothing we can do with it, it's not really a URI
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return url
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end
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2013-02-06 09:16:30 +01:00
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2013-04-20 23:36:38 +02:00
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relative = options.delete(:relative)
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raise "Can't use the relative option with an external URL" if relative && uri.host
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# Allow people to turn on relative paths for all links with
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# set :relative_links, true
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# but still override on a case by case basis with the :relative parameter.
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effective_relative = relative || false
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effective_relative = true if relative.nil? && config[:relative_links]
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# Try to find a sitemap resource corresponding to the desired path
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this_resource = current_resource # store in a local var to save work
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if path_or_resource.is_a?(::Middleman::Sitemap::Resource)
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resource = path_or_resource
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resource_url = url
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elsif this_resource && uri.path
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# Handle relative urls
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url_path = Pathname(uri.path)
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current_source_dir = Pathname('/' + this_resource.path).dirname
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url_path = current_source_dir.join(url_path) if url_path.relative?
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resource = sitemap.find_resource_by_path(url_path.to_s)
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resource_url = resource.url if resource
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end
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2013-04-10 05:21:21 +02:00
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2013-04-20 23:36:38 +02:00
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if resource
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# Switch to the relative path between this_resource and the given resource
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# if we've been asked to.
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if effective_relative
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# Output urls relative to the destination path, not the source path
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current_dir = Pathname('/' + this_resource.destination_path).dirname
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relative_path = Pathname(resource_url).relative_path_from(current_dir).to_s
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# Put back the trailing slash to avoid unnecessary Apache redirects
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if resource_url.end_with?('/') && !relative_path.end_with?('/')
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relative_path << '/'
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2012-12-31 01:27:33 +01:00
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end
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2013-04-10 05:21:21 +02:00
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2013-04-20 23:36:38 +02:00
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uri.path = relative_path
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else
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uri.path = resource_url
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2012-04-28 07:05:52 +02:00
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end
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2013-04-20 23:36:38 +02:00
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else
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# If they explicitly asked for relative links but we can't find a resource...
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raise "No resource exists at #{url}" if relative
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end
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2013-02-09 08:00:29 +01:00
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2013-04-20 23:36:38 +02:00
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# Support a :query option that can be a string or hash
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if query = options.delete(:query)
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uri.query = query.respond_to?(:to_param) ? query.to_param : query.to_s
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end
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# Support a :fragment or :anchor option just like Padrino
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fragment = options.delete(:anchor) || options.delete(:fragment)
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uri.fragment = fragment.to_s if fragment
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# Finally make the URL back into a string
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uri.to_s
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end
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# Overload the regular link_to to be sitemap-aware - if you
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# reference a source path, either absolutely or relatively,
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# you'll get that resource's nice URL. Also, there is a
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# :relative option which, if set to true, will produce
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# relative URLs instead of absolute URLs. You can also add
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#
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# config[:relative_links] = true
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#
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# to config.rb to have all links default to relative.
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#
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# There is also a :query option that can be used to append a
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# query string, which can be expressed as either a String,
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# or a Hash which will be turned into URL parameters.
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def link_to(*args, &block)
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url_arg_index = block_given? ? 0 : 1
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options_index = block_given? ? 1 : 2
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if block_given? && args.size > 2
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raise ArgumentError.new("Too many arguments to link_to(url, options={}, &block)")
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2012-04-28 07:05:52 +02:00
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end
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2013-04-20 23:36:38 +02:00
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if url = args[url_arg_index]
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options = args[options_index] || {}
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raise ArgumentError.new("Options must be a hash") unless options.is_a?(Hash)
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# Transform the url through our magic url_for method
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args[url_arg_index] = url_for(url, options)
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end
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super(*args, &block)
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end
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# Modified Padrino form_for that uses Middleman's url_for
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# to transform the URL.
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def form_tag(url, options={}, &block)
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url = url_for(url, options)
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super
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2012-04-28 07:05:52 +02:00
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end
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2009-10-23 02:25:15 +02:00
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end
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2012-05-19 22:28:59 +02:00
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end
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