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module FilteredColumn
module Mixin
def self.included(base)
base.extend(ActMethod)
end
module ActMethod
# filtered_column :name, :title, :only => [ :textile_filter, :smartypants_filter ]
def filtered_column(*names)
unless included_modules.include?(InstanceMethods)
send :include, InstanceMethods
class_attribute :filtered_attributes, :filtered_options
before_save :process_filters
end
options = names.last.is_a?(Hash) ? names.pop : {}
options[:only] = [options[:only]].flatten.compact
options[:except] = [options[:except]].flatten.compact
names.each do |name|
(self.filtered_options ||= {})[name] = options
(self.filtered_attributes ||= []) << name
define_method("#{name}_doc") do
class << self; attr_accessor "#{name}_doc"; end
instance_variable_set("@#{name}_doc", HTML::Document.new(send("#{name}_html")))
end
end
end
module InstanceMethods
protected
def process_filters
filtered_attributes.each do |attr_name|
send "#{attr_name}_html=", FilteredColumn::Processor.process_filter(filter_for_attribute(attr_name), send(attr_name).to_s.dup)
end
end
def filter_for_attribute(attr_name)
return nil if filter.blank? ||
(!filtered_options[attr_name][:only].blank? && !filtered_options[attr_name][:only].include?(filter.to_sym)) ||
(!filtered_options[attr_name][:except].blank? && filtered_options[attr_name][:except].include?(filter.to_sym))
filter
end
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems