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Contents
require 'caracal/core/models/page_number_model'
require 'caracal/errors'
module Caracal
module Core
# This module encapsulates all the functionality related to setting the
# document's page number behavior.
#
module PageNumbers
def self.included(base)
base.class_eval do
#-------------------------------------------------------------
# Configuration
#-------------------------------------------------------------
# constants
const_set(:DEFAULT_PAGE_NUMBER_ALIGN, :center)
# accessors
attr_reader :page_number_show
attr_reader :page_number_align
#-------------------------------------------------------------
# Public Methods
#-------------------------------------------------------------
# This method controls whether and how page numbers are displayed
# on the document.
#
def page_numbers(*args, &block)
options = Caracal::Utilities.extract_options!(args)
options.merge!({ show: !!args.first }) unless args.first.nil? # careful: falsey value
model = Caracal::Core::Models::PageNumberModel.new(options, &block)
if model.valid?
@page_number_show = model.page_number_show
@page_number_align = model.page_number_align
else
raise Caracal::Errors::InvalidModelError, 'page_numbers :align parameter must be :left, :center, or :right'
end
end
end
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems