Module: ActiveAdmin::ViewHelpers::DisplayHelper

Included in:
ActiveAdmin::ViewHelpers
Defined in:
lib/active_admin/view_helpers/display_helper.rb

Instance Method Summary collapse

Instance Method Details

#association_methods_for(resource) ⇒ Object

To prevent conflicts, we exclude any methods that happen to be associations.



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# File 'lib/active_admin/view_helpers/display_helper.rb', line 21

def association_methods_for(resource)
  return [] unless resource.class.respond_to? :reflect_on_all_associations
  resource.class.reflect_on_all_associations.map(&:name)
end

#display_name(resource) ⇒ Object

Attempts to call any known display name methods on the resource. See the setting in ‘application.rb` for the list of methods and their priority.



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# File 'lib/active_admin/view_helpers/display_helper.rb', line 7

def display_name(resource)
  resource.send display_name_method_for resource if resource
end

#display_name_method_for(resource) ⇒ Object

Looks up and caches the first available display name method.



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# File 'lib/active_admin/view_helpers/display_helper.rb', line 12

def display_name_method_for(resource)
  @@display_name_methods_cache ||= {}
  @@display_name_methods_cache[resource.class] ||= begin
    methods = active_admin_application.display_name_methods - association_methods_for(resource)
    methods.detect{ |method| resource.respond_to? method }
  end
end

#pretty_format(object) ⇒ Object

Return a pretty string for any object Date Time are formatted via #localize with :format => :long ActiveRecord objects are formatted via #auto_link We attempt to #display_name of any other objects



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# File 'lib/active_admin/view_helpers/display_helper.rb', line 30

def pretty_format(object)
  case object
  when String
    object
  when Arbre::Element
    object
  when Date, Time
    localize(object, :format => :long)
  when ActiveRecord::Base
    auto_link(object)
  else
    display_name(object)
  end
end