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ActiveAdmincheatsheet

贡献者：BAI

ActiveAdmin

根据 Scope 过滤数据

RUBY
scope :draft
scope :for_approval
RUBY
scope :public, if: ->{ current_admin_user.can?(...) }
scope "Unapproved", :pending
scope("Published") { |books| books.where(:published: true) }

侧边栏过滤器

RUBY
filter :email
filter :username

自定义操作

RUBY
before_filter only: [:show, :edit, :publish] do
  @post = Post.find(params[:id])
end

设置路由

RUBY
member_action :publish, method: :put do
  @post.publish!
  redirect_to admin_posts_path, notice: "The post '#{@post}' has been published!"
end

在目录页添加链接

RUBY
index do
  column do |post|
    link_to 'Publish', publish_admin_post_path(post), method: :put
  end
end

在详情/编辑页显示链接

RUBY
action_item only: [:edit, :show] do
  @post = Post.find(params[:id])
  link_to 'Publish', publish_admin_post_path(post), method: :put
end

列（Column）

RUBY
column :foo
RUBY
column :title, sortable: :name do |post|
  strong post.title
end

其他的帮助方法

RUBY
status_tag "Done"           # Gray
status_tag "Finished", :ok  # Green
status_tag "You", :warn     # Orange
status_tag "Failed", :error # Red

指定特定行为

RUBY
ActiveAdmin.register Post do
  actions :index, :edit
  # or: config.clear_action_items!
end