code: def crud_links(model, instance_name, actions, args={})
        _html = ""
        _options = args.keys.empty? ? '' : ", #{args.map{|k,v| ":#{k} => #{v}"}}"
    
        if use_crud_icons
          if actions.include?(:show)
            _html << eval("link_to image_tag('/images/icons/view.png', :class => 'crud_icon'), model, :title => 'View'#{_options}")
          end
          if actions.include?(:edit)
            _html << eval("link_to image_tag('/images/icons/edit.png', :class => 'crud_icon'), edit_#{instance_name}_path(model), :title => 'Edit'#{_options}")
          end
          if actions.include?(:delete)
            _html << eval("link_to image_tag('/images/icons/delete.png', :class => 'crud_icon'), model, :confirm => 'Are you sure? This action cannot be undone.', :method => :delete, :title => 'Delete'#{_options}")
          end
        else
          if actions.include?(:show)
            _html << eval("link_to 'View', model, :title => 'View', :class => 'crud_link'#{_options}")
          end
          if actions.include?(:edit)
            _html << eval("link_to 'Edit', edit_#{instance_name}_path(model), :title => 'Edit', :class => 'crud_link'#{_options}")
          end
          if actions.include?(:delete)
            _html << eval("link_to 'Delete', model, :confirm => 'Are you sure? This action cannot be undone.', :method => :delete, :title => 'Delete', :class => 'crud_link'#{_options}")
          end
        end
        _html
      end
docs: Display CRUD icons or links, according to setting in use_crud_icons method.
  
   In application_helper.rb:
  
     def use_crud_icons
       true
     end
  
   Then use in index views like this:
  
   <td class="crud_links"><%= crud_links(my_model, 'my_model', [:show, :edit, :delete]) -%></td>