Module: Caracal::Core::Text

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

Overview

This module encapsulates all the functionality related to adding text to the document.

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/caracal/core/text.rb', line 13

def self.included(base)
  base.class_eval do
    
    #-------------------------------------------------------------
    # Public Methods
    #-------------------------------------------------------------
    
    #============== PARAGRAPHS ==========================
    
    def p(*args, &block)
      options = Caracal::Utilities.extract_options!(args)
      options.merge!({ content: args.first }) if args.first
      
      model = Caracal::Core::Models::ParagraphModel.new(options, &block)
      if model.valid?
        contents << model
      else
        raise Caracal::Errors::InvalidModelError, 'Paragraphs and headings, which delegate to the :p command, require at least one text string.'
      end
      model
    end
    
    
    #============== HEADINGS ============================
    
    # All heading methods simply delegate to the paragraph
    # model with an explicitly set style class.
    #
    [:h1, :h2, :h3, :h4, :h5, :h6].each do |cmd|
      define_method "#{ cmd }" do |*args, &block|
        options = Caracal::Utilities.extract_options!(args)
        options.merge!({ style: style_id_for_header(cmd) })
        p(args.first, options, &block)
      end
    end
    
    
    #-------------------------------------------------------------
    # Private Methods
    #-------------------------------------------------------------
    private
    
    # This method translates the html-like command to the 
    # corresponding style id.
    #
    def style_id_for_header(command)
      case command.to_s
        when 'h1' then 'Heading1'
        when 'h2' then 'Heading2'
        when 'h3' then 'Heading3'
        when 'h4' then 'Heading4'
        when 'h5' then 'Heading5'
        when 'h6' then 'Heading6'
        else 'Normal'
      end
    end
    
  end
end