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Contents
module Tracksperanto::Parameters
def self.included(into)
into.extend(self)
super
end
class Parameter
include Tracksperanto::BlockInit
# The name of the paramenter and the related object attribute
attr_accessor :name
# Whether the attribute is required
attr_accessor :required
# Default value of the attribute
attr_accessor :default
# The cast for the attribute (like :int or :float)
attr_accessor :cast
# Attribute description for the UI
attr_accessor :desc
def apply_to(to_class)
to_class.send(:attr_accessor, name)
if cast
cast_call = "cast_to_#{cast}"
to_class.send(cast_call, name)
end
if required
to_class.safe_reader name
end
end
end
# Defines a parameter, options conform to the Parameter class.
# The parameter will of course add an attr_accessor to your class for the specified parameter,
# but it will also
def parameter(name, options = {})
options = {:name => name}.merge(options)
param = Parameter.new(options)
parameters.push(param)
param.apply_to(self)
end
# Returns the array of the parameters defined for this class
def parameters
@ui_parameters ||= []
@ui_parameters
end
end
Version data entries
41 entries across 41 versions & 1 rubygems