- if !(defined? parent).nil? && !(defined? child_class).nil?
  - if can? :create, parent.send(child_class.name.underscore.pluralize).build
    %p
      - if t("#{child_class.name.underscore.pluralize}.index.actions.create_for").include?('translation missing') || (!(defined? short_link).nil? && short_link == true)
        %a.btn.btn-small.btn-default{:href => method( :"new_#{parent.class.name.underscore}_#{child_class.name.underscore}_path" ).(parent) }
          %i.icon-plus
          =t("#{child_class.name.underscore.pluralize}.index.actions.create")
      - else
        %a.btn.btn-small.btn-default{:href => method( :"new_#{parent.class.name.underscore}_#{child_class.name.underscore}_path" ).(parent) }
          %i.icon-plus
          =t("#{child_class.name.underscore.pluralize}.index.actions.create")

- elsif !(defined? child_class).nil?
  - if can? :create, child_class
    %p
      %a.btn.btn-small.btn-default{:href => method( :"new_#{child_class.name.underscore}_path" ).() }
        %i.icon-plus
        =t("#{child_class.name.underscore.pluralize}.index.actions.create")