- return 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 and @user.administrator?;
- css << ".hide_unless_moderator { display: none !important }" unless @user and @user.moderator?;
-
- return 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 preferred_editor
- if params[:editor]
- params[:editor]
- elsif @user and @user.preferred_editor
- @user.preferred_editor
- else
- DEFAULT_EDITOR
- end
- end
-
- def scale_to_zoom(scale)
- Math.log(360.0 / (scale.to_f * 512.0)) / Math.log(2.0)