module ActiveAdmin::ViewHelpers::DisplayHelper
Constants
- DISPLAY_NAME_FALLBACK
Public Instance Methods
association_methods_for(resource)
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# File lib/active_admin/view_helpers/display_helper.rb, line 38 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)
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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.
# File lib/active_admin/view_helpers/display_helper.rb, line 17 def display_name(resource) render_in_context resource, display_name_method_for(resource) if resource end
display_name_method_for(resource)
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Looks up and caches the first available display name method. To prevent conflicts, we exclude any methods that happen to be associations. If no methods are available and we’re about to use the Kernel’s ‘to_s`, provide our own.
# File lib/active_admin/view_helpers/display_helper.rb, line 24 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) method = methods.detect{ |method| resource.respond_to? method } if method != :to_s || resource.method(method).source_location method else DISPLAY_NAME_FALLBACK end end end
pretty_format(object)
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Return a pretty string for any object Date Time are formatted via localize with format: :long ActiveRecord and Mongoid objects are formatted via auto_link We attempt to display_name
of any other objects
# File lib/active_admin/view_helpers/display_helper.rb, line 47 def pretty_format(object) case object when String, Numeric, Arbre::Element object.to_s when Date, Time localize(object, format: :long) when ->(obj){defined?(::ActiveRecord) && obj.is_a?(ActiveRecord::Base)} auto_link(object) when ->(obj){defined?(::Mongoid) && obj.class.included_modules.include?(Mongoid::Document)} auto_link(object) else display_name(object) end end