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action_items.rb
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action_items.rb
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require 'active_admin/helpers/optional_display'
module ActiveAdmin
class Resource
module ActionItems
# Adds the default action items to a resource when it's initialized
def initialize(*args)
super
add_default_action_items
end
# @return [Array] The set of action items for this resource
def action_items
@action_items ||= []
end
# Add a new action item to a resource
#
# @param [Symbol] name
# @param [Hash] options valid keys include:
# :only: A single or array of controller actions to display
# this action item on.
# :except: A single or array of controller actions not to
# display this action item on.
def add_action_item(name, options = {}, &block)
self.action_items << ActiveAdmin::ActionItem.new(name, options, &block)
end
def remove_action_item(name)
self.action_items.delete_if { |item| item.name == name }
end
# Returns a set of action items to display for a specific controller action
#
# @param [String, Symbol] action the action to retrieve action items for
#
# @return [Array] Array of ActionItems for the controller actions
def action_items_for(action, render_context = nil)
action_items.select { |item| item.display_on? action, render_context }.sort_by(&:priority)
end
# Clears all the existing action items for this resource
def clear_action_items!
@action_items = []
end
# Used by active_admin Base view
def action_items?
!!@action_items && @action_items.any?
end
private
# Adds the default action items to each resource
def add_default_action_items
add_default_new_action_item
add_default_edit_action_item
add_default_show_action_item
end
# Adds the default New link on index
def add_default_new_action_item
add_action_item :new, only: :index do
if controller.action_methods.include?('new') && authorized?(ActiveAdmin::Auth::CREATE, active_admin_config.resource_class)
localizer = ActiveAdmin::Localizers.resource(active_admin_config)
link_to localizer.t(:new_model), new_resource_path
end
end
end
# Adds the default Edit link on show
def add_default_edit_action_item
add_action_item :edit, only: :show do
if controller.action_methods.include?('edit') && authorized?(ActiveAdmin::Auth::UPDATE, resource)
localizer = ActiveAdmin::Localizers.resource(active_admin_config)
link_to localizer.t(:edit_model), edit_resource_path(resource)
end
end
end
# Adds the default Destroy link on show
def add_default_show_action_item
add_action_item :destroy, only: :show do
if controller.action_methods.include?('destroy') && authorized?(ActiveAdmin::Auth::DESTROY, resource)
localizer = ActiveAdmin::Localizers.resource(active_admin_config)
link_to localizer.t(:delete_model), resource_path(resource), method: :delete,
data: {confirm: localizer.t(:delete_confirmation)}
end
end
end
end
end
# Model class to store the data for ActionItems
class ActionItem
include ActiveAdmin::OptionalDisplay
attr_accessor :block, :name
def initialize(name, options = {}, &block)
@name = name
@options = options
@block = block
normalize_display_options!
end
def html_class
"action_item #{@options[:class]}".rstrip
end
def priority
@options[:priority] || 10
end
end
end