Contents

# encoding: utf-8

module CarrierWave
  module Uploader
    module Callbacks
      extend ActiveSupport::Concern

      included do
        class_inheritable_accessor :_before_callbacks, :_after_callbacks
      end

      def with_callbacks(kind, *args)
        self.class._before_callbacks_for(kind).each { |callback| self.send(callback, *args) }
        yield
        self.class._after_callbacks_for(kind).each { |callback| self.send(callback, *args) }
      end

      module ClassMethods
        
        def _before_callbacks_for(kind) #:nodoc:
          (self._before_callbacks || { kind => [] })[kind] || []
        end

        def _after_callbacks_for(kind) #:nodoc:
          (self._after_callbacks || { kind => [] })[kind] || []
        end

        def before(kind, callback)          
          self._before_callbacks ||= {}
          self._before_callbacks[kind] = _before_callbacks_for(kind) + [callback]
        end

        def after(kind, callback)
          self._after_callbacks ||= {}
          self._after_callbacks[kind] = _after_callbacks_for(kind) + [callback]
        end
      end # ClassMethods

    end # Callbacks
  end # Uploader
end # CarrierWave

Version data entries

9 entries across 9 versions & 4 rubygems

Version	Path
locomotive_carrierwave-0.5.0.1.beta3	lib/carrierwave/uploader/callbacks.rb
carrierwave-0.5.1	lib/carrierwave/uploader/callbacks.rb
locomotive_carrierwave-0.5.0.1.beta2	lib/carrierwave/uploader/callbacks.rb
locomotive_carrierwave-0.5.0.1.beta1	lib/carrierwave/uploader/callbacks.rb
locomotive_carrierwave-0.5.0.1	lib/carrierwave/uploader/callbacks.rb
carrierwave-0.5.0	lib/carrierwave/uploader/callbacks.rb
jswanner-carrierwave-0.5.0.beta3	lib/carrierwave/uploader/callbacks.rb
carrierwave-0.5.0.beta2	lib/carrierwave/uploader/callbacks.rb
carrierwave-rails3-0.4.5	lib/carrierwave/uploader/callbacks.rb