Module: Caracal::Core::Fonts

Included in:
Document
Defined in:
lib/caracal/core/fonts.rb

Overview

This module encapsulates all the functionality related to registering fonts.

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/caracal/core/fonts.rb', line 12

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(options={}, &block)
      model = Caracal::Core::Models::FontModel.new(options, &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