281 lines
9.2 KiB
Ruby
281 lines
9.2 KiB
Ruby
require 'padrino-helpers'
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# Don't fail on invalid locale, that's not what our current
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# users expect.
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::I18n.enforce_available_locales = false
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class Padrino::Helpers::OutputHelpers::ErbHandler
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# Force Erb capture not to use safebuffer
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def capture_from_template(*args, &block)
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self.output_buffer = ''
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buf_was = output_buffer
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raw = block.call(*args)
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captured = template.instance_variable_get(:@_out_buf)
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self.output_buffer = buf_was
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engine_matches?(block) && !captured.empty? ? captured : raw
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end
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end
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class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
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def initialize(app, options_hash={}, &block)
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super
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require 'active_support/core_ext/object/to_query'
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::OutputHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::TagHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::AssetTagHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::FormHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::FormatHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::RenderHelpers
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::Middleman::TemplateContext.send :include, ::Padrino::Helpers::NumberHelpers
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# ::Middleman::TemplateContext.send :include, ::Padrino::Helpers::TranslationHelpers
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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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# The helpers
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helpers do
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# Make all block content html_safe
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def content_tag(name, content=nil, options=nil, &block)
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# safe_content_tag(name, content, options, &block)
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if block_given?
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options = content if content.is_a?(Hash)
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content = capture_html(&block)
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end
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options = parse_data_options(name, options)
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attributes = tag_attributes(options)
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output = ActiveSupport::SafeBuffer.new
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output.safe_concat "<#{name}#{attributes}>"
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if content.respond_to?(:each) && !content.is_a?(String)
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content.each do |c|
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output.safe_concat c
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output.safe_concat ::Padrino::Helpers::TagHelpers::NEWLINE
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end
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else
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output.safe_concat "#{content}"
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end
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output.safe_concat "</#{name}>"
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block_is_template?(block) ? concat_content(output) : output
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end
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def capture_html(*args, &block)
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result = if handler = auto_find_proper_handler(&block)
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handler.capture_from_template(*args, &block)
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else
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block.call(*args)
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end
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::ActiveSupport::SafeBuffer.new.safe_concat(result)
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end
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def auto_find_proper_handler(&block)
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if block_given?
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engine = File.extname(block.source_location[0])[1..-1].to_sym
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::Padrino::Helpers::OutputHelpers.handlers.select { |e, _| e == engine }.values.map { |h| h.new(self) }.find { |h| h.engine_matches?(block) }
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else
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find_proper_handler
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end
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end
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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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# 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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# 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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# Override helper to add `relative` opt-out.
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def stylesheet_link_tag(*sources)
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options = {
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rel: 'stylesheet'
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}.update(sources.extract_options!.symbolize_keys)
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path_options = {}
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path_options[:relative] = options.delete(:relative) if options.key?(:relative)
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sources.flatten.inject(::ActiveSupport::SafeBuffer.new) do |all, source|
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all << tag(:link, {
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href: asset_path(:css, source, path_options)
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}.update(options))
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end
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end
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# Override helper to add `relative` opt-out.
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def javascript_include_tag(*sources)
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options = sources.extract_options!.symbolize_keys
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path_options = {}
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path_options[:relative] = options.delete(:relative) if options.key?(:relative)
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sources.flatten.inject(::ActiveSupport::SafeBuffer.new) do |all, source|
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all << content_tag(:script, nil, {
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src: asset_path(:js, source, path_options)
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}.update(options))
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end
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end
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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
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config[:js_dir]
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when :css
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config[:css_dir]
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end
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end
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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_resource.path)
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path = path.sub(/#{Regexp.escape(File.extname(path))}$/, ".#{asset_ext}")
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yield path if sitemap.find_resource_by_path(path)
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end
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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(path=current_path.dup, options={})
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if path.is_a? Hash
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options = path
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path = current_path.dup
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end
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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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classes = Set.new
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parts = path.split('.').first.split('/')
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parts.each_with_index { |_, i| classes << parts.first(i + 1).join('_') }
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prefix = options[:numeric_prefix] || 'x'
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classes.map do |c|
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# Replace weird class name characters
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c = c.gsub(/[^a-zA-Z0-9\-_]/, '-')
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# Class names can't start with a digit
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c = "#{prefix}#{c}" if c =~ /\A\d/
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c
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end.join(' ')
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end
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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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# @param [Hash] options Data to pass through.
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# @return [String]
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def asset_path(kind, source, options={})
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options_with_resource = options.merge(current_resource: current_resource)
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::Middleman::Util.asset_path(app, kind, source, options_with_resource)
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end
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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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# @param [Hash] options Additional options.
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# @return [String] The fully qualified asset url
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def asset_url(_path, prefix='', options={})
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options_with_resource = options.merge(current_resource: current_resource)
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::Middleman::Util.asset_url(app, prefix, options_with_resource)
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end
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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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options_with_resource = options.merge(current_resource: current_resource)
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::Middleman::Util.url_for(app, path_or_resource, options_with_resource)
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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, 'Too many arguments to link_to(url, options={}, &block)'
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end
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if url = args[url_arg_index]
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options = args[options_index] || {}
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raise ArgumentError, '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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# Cleanup before passing to Padrino
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options.except!(:relative, :current_resource, :find_resource, :query, :anchor, :fragment)
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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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end
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# Modified Padrino image_tag so that it finds the paths for srcset
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# using asset_path for the images listed in the srcset param
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def image_tag(path, params={})
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params.symbolize_keys!
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if params.key?(:srcset)
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images_sources = params[:srcset].split(',').map do |src_def|
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if src_def.include?('//')
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src_def
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else
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image_def, size_def = src_def.strip.split(/\s+/)
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asset_path(:images, image_def) + ' ' + size_def
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end
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end
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params[:srcset] = images_sources.join(', ')
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end
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super(path, params)
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end
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end
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end
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