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Contents
module Bowline
module Binders
class Singleton < Base
class << self
alias :item= :items=
# Associate the binder with a model to setup callbacks so
# changes to the model are automatically reflected in the view.
# Example:
# bind Post
#
# When the bound class is updated/deleted
# the binder's callbacks are executed and the view
# updated accordingly.
#
# Classes inheriting from ActiveRecord and SuperModel are
# automatically compatable, but if you're using your own custom model
# you need to make sure it responds to the following methods:
# * all - return all records
# * find(id) - find record by id
# * after_update(method) - after_update callback
# * after_destroy(method) - after_destroy callback
#
# The klass' instance needs to respond to:
# * id - returns record id
# * to_js - return record's attribute hash
#
# You can override the to_js method on the model instance
# in order to return specific attributes for the view.
def bind(klass)
@klass = klass
observer = Observer.new(self)
@klass.add_observer(observer)
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems