module TreeHelper def tree_icon(content) if content.is_a?(Grit::Blob) if content.text? image_tag "file_txt.png" elsif content.image? image_tag "file_img.png" else image_tag "file_bin.png" end else image_tag "file_dir.png" end end def tree_hex_class(content) "file_#{hexdigest(content.name)}" end def tree_full_path(content) if params[:path] File.join(params[:path], content.name) else content.name end end # Public: Determines if a given filename is compatible with GitHub::Markup. # # filename - Filename string to check # # Returns boolean def markup?(filename) filename.end_with?(*%w(.mdown .md .markdown .textile .rdoc .org .creole .mediawiki .rst .asciidoc .pod)) end end