Contents

require 'caracal/core/models/font_model'
require 'caracal/errors'


module Caracal
  module Core
    
    # This module encapsulates all the functionality related to registering
    # fonts.
    #
    module Fonts
      def self.included(base)
        base.class_eval do
          
          #-------------------------------------------------------------
          # Class Methods
          #-------------------------------------------------------------
          
          def self.default_fonts
            [
              { name: 'Arial' },
              { name: 'Trebuchet MS' }
            ]           
          end
          
          
          #-------------------------------------------------------------
          # Public Methods
          #-------------------------------------------------------------
          
          #============== ATTRIBUTES ==========================
          
          def font(opts, &block)
            model = Caracal::Core::Models::FontModel.new(opts, &block)
            
            if model.valid?
              register_font(model)
            else
              raise Caracal::Errors::InvalidModelError, 'font must specify the :name attribute.'
            end
            model
          end
          
          
          #============== GETTERS =============================
          
          def fonts
            @fonts ||= []
          end
          
          def find_font(name)
            fonts.find { |f| f.matches?(name) }
          end
          
          
          #============== REGISTRATION ========================
          
          def register_font(model)
            unregister_font(model.font_name)
            fonts << model
            model
          end
          
          def unregister_font(name)
            if f = find_font(name)
              fonts.delete(f)
            end
          end
          
        end
      end
    end
    
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
caracal-0.1.1	lib/caracal/core/fonts.rb
caracal-0.1.0	lib/caracal/core/fonts.rb