Module: Caracal::Core::Styles

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

Overview

This module encapsulates all the functionality related to defining paragraph styles.

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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

def self.included(base)
  base.class_eval do
    
    #-------------------------------------------------------------
    # Class Methods
    #-------------------------------------------------------------
    
    def self.default_styles
      [
        { id: 'Normal',   name: 'normal',    font: 'Arial',    size: 20, line: 320, color: '333333' },
        { id: 'Heading1', name: 'heading 1', font: 'Palatino', size: 36, bottom: 120 },
        { id: 'Heading2', name: 'heading 2', font: 'Arial',    size: 26, top: 120, bottom: 160, bold: true },
        { id: 'Heading3', name: 'heading 3', font: 'Arial',    size: 24, top: 120, bottom: 160, bold: true, italic: true, color: '666666' },
        { id: 'Heading4', name: 'heading 4', font: 'Palatino', size: 24, top: 120, bottom: 120, bold: true },
        { id: 'Heading5', name: 'heading 5', font: 'Arial',    size: 22, top: 120, bottom: 120, bold: true },
        { id: 'Heading6', name: 'heading 6', font: 'Arial',    size: 22, top: 120, bottom: 120, underline: true, italic: true, color: '666666' },
        { id: 'Title',    name: 'title',     font: 'Palatino', size: 60 },
        { id: 'Subtitle', name: 'subtitle',  font: 'Arial',    size: 28, top: 60 }
      ]           
    end
    
    
    #-------------------------------------------------------------
    # Public Methods
    #-------------------------------------------------------------
    
    #============== ATTRIBUTES ==========================
    
    def style(options={}, &block)
      model = Caracal::Core::Models::StyleModel.new(options, &block)
      
      if model.valid?
        register_style(model)
      else
        raise Caracal::Errors::InvalidModelError, 'style must define an :id and :name.'
      end
      model
    end
    
    
    #============== GETTERS =============================
    
    def styles
      @styles ||= []
    end
    
    def default_style
      styles.find { |s| s.style_default }
    end
    
    def find_style(id)
      styles.find { |s| s.matches?(id) }
    end
    
    
    #============== REGISTRATION ========================
    
    def register_style(model)
      unregister_style(model.style_id)
      styles << model
      model
    end
    
    def unregister_style(id)
      if s = find_style(id)
        styles.delete(s)
      end
    end
    
  end
end