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Versions: 27
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Contents
#~~~~~~~~~~~~~~~~
# EXPERIMENTAL
# the following methods are for visualing card events
# not ready for prime time!
def events action
@action = action
root = _validate_callbacks + _save_callbacks
events = [ events_tree(:validation), events_tree(:save)]
@action = nil
puts_events events
end
private
def puts_events events, prefix='', depth=0
r = ''
depth += 1
events.each do |e|
space = ' ' * (depth * 2)
#FIXME - this is not right. before and around callbacks are processed in declaration order regardless of kind.
# not all befores then all arounds
if e[:before]
r += puts_events( e[:before], space+'v ', depth)
end
if e[:around]
r += puts_events( e[:around], space+'vv ', depth )
end
output = "#{prefix}#{e[:name]}"
#warn output
r+= "#{output}\n"
if e[:after]
r += puts_events( e[:after ].reverse, space+'^ ', depth )
end
end
r
end
def events_tree filt
hash = {:name => filt }
if respond_to? "_#{filt}_callbacks"
send( "_#{filt}_callbacks" ).each do |callback|
next unless callback.applies? self
hash[callback.kind] ||= []
hash[callback.kind] << events_tree( callback.filter )
end
end
hash
end
#FIXME - this doesn't belong here!!
class ::ActiveSupport::Callbacks::Callback
def applies? object
object.send :eval, "value=nil;halted=false;!!(#{@compiled_options})"
end
end
Version data entries
27 entries across 27 versions & 2 rubygems