Contents

require 'caracal/core/models/base_model'


module Caracal
  module Core
    module Models
      
      # This class handles block options passed to the page size
      # method.
      #
      class PageSizeModel < BaseModel
        
        #-------------------------------------------------------------
        # Configuration
        #-------------------------------------------------------------
        
        # constants
        const_set(:DEFAULT_PAGE_WIDTH,  12240)  # 8.5in  in twips
        const_set(:DEFAULT_PAGE_HEIGHT, 15840)  # 11.0in in twips
        
        # accessors
        attr_reader :page_width
        attr_reader :page_height
        
        # initialization
        def initialize(**options, &block)
          @page_width  = DEFAULT_PAGE_WIDTH
          @page_height = DEFAULT_PAGE_HEIGHT
          
          super options, &block
        end
        
        
        #-------------------------------------------------------------
        # Public Methods
        #-------------------------------------------------------------
    
        #=============== SETTERS ==============================
        
        def height(value)
          @page_height = value.to_i
        end
        
        def width(value)
          @page_width = value.to_i
        end
        
        
        #=============== VALIDATION ==============================
        
        def valid?
          dims = [page_width, page_height]
          dims.all? { |d| d > 0 }
        end
        
        
        #-------------------------------------------------------------
        # Private Instance Methods
        #-------------------------------------------------------------
        private
        
        def option_keys
          [:width, :height]
        end
        
      end
      
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
caracal-0.1.0	lib/caracal/core/models/page_size_model.rb