class ActiveAdmin::Views::IndexAsTable::IndexTableFor


methods for quickly displaying items on the index page
Extend the default ActiveAdmin::Views::TableFor with some

def actions(options = {}, &block)

```

end
item 'Grant Admin', grant_admin_admin_user_path(admin_user)
actions defaults: false do |admin_user|
# Custom actions without the defaults.

end
a 'Grant Admin', href: grant_admin_admin_user_path(admin_user)
actions do |admin_user|
# Append some actions onto the end of the default actions using arbre dsl.

end
item 'Grant User', grant_user_admin_user_path(admin_user)
item 'Grant Admin', grant_admin_admin_user_path(admin_user)
actions do |admin_user|
# Append some actions onto the end of the default actions.

actions name: 'A title!'
# Add default links with a custom column title (empty by default).

actions
# Add default links.
```ruby

Add links to perform actions. 
def actions(options = {}, &block)
  name = options.delete(:name) { "" }
  defaults = options.delete(:defaults) { true }
  column name, options do |resource|
    insert_tag(TableActions, class: "data-table-resource-actions") do
      render "index_table_actions_default", defaults_data(resource) if defaults
      if block
        block_result = instance_exec(resource, &block)
        text_node block_result unless block_result.is_a? Arbre::Element
      end
    end
  end
end

def defaults_data(resource) 

def defaults_data(resource)
  localizer = ActiveAdmin::Localizers.resource(active_admin_config)
  {
    resource: resource,
    view_label: localizer.t(:view),
    edit_label: localizer.t(:edit),
    delete_label: localizer.t(:delete),
    delete_confirmation_text: localizer.t(:delete_confirmation)
  }
end

def id_column

Display a column for the id 
def id_column
  raise "#{resource_class.name} has no primary_key!" unless resource_class.primary_key
  column(resource_class.human_attribute_name(resource_class.primary_key), sortable: resource_class.primary_key) do |resource|
    if controller.action_methods.include?("show")
      link_to resource.id, resource_path(resource)
    elsif controller.action_methods.include?("edit")
      link_to resource.id, edit_resource_path(resource)
    else
      resource.id
    end
  end
end

def selectable_column(**options)

Display a column for checkbox 
def selectable_column(**options)
  return unless active_admin_config.batch_actions.any?
  column resource_selection_toggle_cell, class: options[:class], sortable: false do |resource|
    resource_selection_cell resource
  end
end