+ require "rexml/document"
+
+ def linkify(text)
+ if text.html_safe?
+ Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
+ else
+ Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow"))
+ end
+ end
+
+ def rss_link_to(*args)
+ link_to(image_tag("RSS.png", :size => "16x16", :border => 0), Hash[*args], :class => "rsssmall")
+ end
+
+ def atom_link_to(*args)
+ link_to(image_tag("RSS.png", :size => "16x16", :border => 0), Hash[*args], :class => "rsssmall")
+ end
+
+ def style_rules
+ css = ""
+
+ css << ".hidden { display: none !important }"
+ css << ".hide_unless_logged_in { display: none !important }" unless @user
+ css << ".hide_if_logged_in { display: none !important }" if @user
+ css << ".hide_if_user_#{@user.id} { display: none !important }" if @user
+ css << ".show_if_user_#{@user.id} { display: inline !important }" if @user
+ css << ".hide_unless_administrator { display: none !important }" unless @user && @user.administrator?
+ css << ".hide_unless_moderator { display: none !important }" unless @user && @user.moderator?
+
+ content_tag(:style, css, :type => "text/css")
+ end
+
+ def if_logged_in(tag = :div, &block)
+ content_tag(tag, capture(&block), :class => "hide_unless_logged_in")
+ end
+
+ def if_not_logged_in(tag = :div, &block)
+ content_tag(tag, capture(&block), :class => "hide_if_logged_in")
+ end
+
+ def if_user(user, tag = :div, &block)
+ if user
+ content_tag(tag, capture(&block), :class => "hidden show_if_user_#{user.id}")
+ end
+ end
+
+ def unless_user(user, tag = :div, &block)
+ if user
+ content_tag(tag, capture(&block), :class => "hide_if_user_#{user.id}")
+ else
+ content_tag(tag, capture(&block))
+ end
+ end
+
+ def if_administrator(tag = :div, &block)
+ content_tag(tag, capture(&block), :class => "hide_unless_administrator")
+ end
+
+ def richtext_area(object_name, method, options = {})
+ id = "#{object_name}_#{method}"
+ format = options.delete(:format) || "markdown"
+
+ content_tag(:div, :id => "#{id}_container", :class => "richtext_container") do
+ output_buffer << content_tag(:div, :id => "#{id}_content", :class => "richtext_content") do
+ output_buffer << text_area(object_name, method, options.merge("data-preview-url" => preview_url(:format => format)))
+ output_buffer << content_tag(:div, "", :id => "#{id}_preview", :class => "richtext_preview richtext")
+ end
+
+ output_buffer << content_tag(:div, :id => "#{id}_help", :class => "richtext_help") do
+ output_buffer << render("site/#{format}_help")
+ output_buffer << content_tag(:div, :class => "buttons") do
+ output_buffer << submit_tag(I18n.t("site.richtext_area.edit"), :id => "#{id}_doedit", :class => "richtext_doedit deemphasize", :disabled => true)
+ output_buffer << submit_tag(I18n.t("site.richtext_area.preview"), :id => "#{id}_dopreview", :class => "richtext_dopreview deemphasize")
+ end
+ end
+ end
+ end
+
+ def dir
+ if dir = params[:dir]
+ dir == "rtl" ? "rtl" : "ltr"
+ else
+ I18n.t("html.dir")
+ end
+ end
+
+ def friendly_date(date)
+ content_tag(:span, time_ago_in_words(date), :title => l(date, :format => :friendly))
+ end
+
+ def body_class
+ if content_for? :body_class
+ content_for :body_class
+ else
+ "#{params[:controller]} #{params[:controller]}-#{params[:action]}"
+ end
+ end
+
+ def current_page_class(path)
+ :current if current_page?(path)
+ end