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module TableSortable
module Concerns
module Proc
extend ActiveSupport::Concern
included do
attr_reader :proc, :column, :type
end
def initialize(option_name, *options)
options = options.extract_options!
unless options[option_name] == false
@type = option_name
@column = options[:column]
the_proc = options[option_name] || @column.name
@method = options["#{option_name.to_s}_method".to_sym] || :autodetect
if the_proc.respond_to? :call
@proc = proc_wrapper(the_proc)
@method = detect_method(@proc)
elsif !the_proc.nil?
case @method
when :array
@proc = array_proc
when :active_record
@proc = active_record_proc
end
end
end
end
def detect_method(proc, scope = nil)
begin
[].instance_exec('', &proc)
method = :array
rescue NoMethodError
method = :active_record
end
method
end
def method(record = nil)
return @method if record.nil?
if @method == :autodetect
if record.class.columns.map{|col| col.name.to_sym}.include? @column.name
method = :active_record
@proc = active_record_proc
else
method = :array
@proc = array_proc
end
else
method = @method
end
method
end
def disabled?
method.nil?
end
def array_proc
raise NotImplementedError
end
def active_record_proc
raise NotImplementedError
end
def proc_wrapper(proc)
raise NotImplementedError
end
def run(records)
raise NotImplementedError
end
def used?
raise NotImplementedError
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems