将页面添加到活动管理员

问题描述

我们想向我们的管理员添加帮助页面，并且正在使用活动的admin gem。该页面未与任何模型关联，因此我努力尝试弄清楚如何使链接显示在每个页面的菜单栏中。

We are wanting to add a help page to our admin and we are using the active admin gem. This page is not associated to any model so I am struggling trying to figure out how to get the link to show up in the menu bar on every page.

推荐答案

警告：这绝望地过时了，并且在2020年不再适用。这是针对activeadmin< 0.7版本的。

使用此内容制作文件/app/models/help.rb，对于更高级的无表模型，您可以想要查看或一起搜索您自己的见解。

Make a file /app/models/help.rb with this contents, for more advanced tableless models you might want to check out http://keithmcdonnell.net/activerecord_tableless_model_gem.html or google your own insight together.

class Help < ActiveRecord::Base

  def self.columns
    @columns ||= []
  end

  # ...

end

将条目添加到/config/initializers/inflections.rb

add an entry to /config/initializers/inflections.rb

ActiveSupport::Inflector.inflections do |inflect|
  inflect.uncountable %w( help )
end

设置路线对于您的Viewlogger，在config / routes.rb中：

set up a route for your viewlogger, in config/routes.rb:

match '/admin/help' => 'admin/help#index', :as => :admin_help

现在您可以按如下方式制定activeadmin注册块（确保您创建了部分视图

now you can formulate the activeadmin register block as follows (make you sure you create a view partial in the right place)

ActiveAdmin.register Help do
  config.comments = false
  before_filter do @skip_sidebar = true end
  # menu false
  config.clear_action_items!   # this will prevent the 'new button' showing up
  controller do
    def index
      # some hopefully useful code
      render 'admin/help/index', :layout => 'active_admin'
    end
  end

end

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