Module: ActionView::Helpers::Tags::Placeholderable
Overview
:nodoc:
Instance Method Summary collapse
Instance Method Details
#initialize ⇒ Object
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# File 'lib/action_view/helpers/tags/placeholderable.rb', line 5 def initialize(*) super if tag_value = @options[:placeholder] placeholder = tag_value if tag_value.is_a?(String) object_name = @object_name.gsub(/\[(.*)_attributes\]\[\d+\]/, '.\1') method_and_value = tag_value.is_a?(TrueClass) ? @method_name : "#{@method_name}.#{tag_value}" if object.respond_to?(:to_model) key = object.class.model_name.i18n_key i18n_default = ["#{key}.#{method_and_value}".to_sym, ""] end i18n_default ||= "" placeholder ||= I18n.t("#{object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.placeholder").presence placeholder ||= if object && object.class.respond_to?(:human_attribute_name) object.class.human_attribute_name(method_and_value) end placeholder ||= @method_name.humanize @options[:placeholder] = placeholder end end |