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Contents
module Paperclip
module CallbackCompatability
module Rails21
def self.included(base)
base.extend(Defining)
base.send(:include, Running)
end
module Defining
def define_paperclip_callbacks(*args)
args.each do |callback|
define_callbacks("before_#{callback}")
define_callbacks("after_#{callback}")
end
end
end
module Running
def run_paperclip_callbacks(callback, opts = nil, &blk)
# The overall structure of this isn't ideal since after callbacks run even if
# befores return false. But this is how rails 3's callbacks work, unfortunately.
if run_callbacks(:"before_#{callback}"){ |result, object| result == false } != false
blk.call
end
run_callbacks(:"after_#{callback}"){ |result, object| result == false }
end
end
end
module Rails3
def self.included(base)
base.extend(Defining)
base.send(:include, Running)
end
module Defining
def define_paperclip_callbacks(*callbacks)
define_callbacks *[callbacks, {:terminator => "result == false"}].flatten
callbacks.each do |callback|
eval <<-end_callbacks
def before_#{callback}(*args, &blk)
set_callback(:#{callback}, :before, *args, &blk)
end
def after_#{callback}(*args, &blk)
set_callback(:#{callback}, :after, *args, &blk)
end
end_callbacks
end
end
end
module Running
def run_paperclip_callbacks(callback, opts = nil, &block)
run_callbacks(callback, opts, &block)
end
end
end
end
end
Version data entries
71 entries across 71 versions & 23 rubygems