Class: TeachingPrintables::TPDocument

Inherits:
Object
  • Object
show all
Includes:
Prawn::View
Defined in:
lib/teaching_printables/tp_document.rb

Overview

Creates quadrille rulings on paper. Delegates Prawn methods to Prawn::Document.

Constant Summary collapse

DOC_OPTIONS_DEFAULT = 
{
  :page_layout => :portrait,
  :margin => 0
}

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ TPDocument

Returns a new instance of TPDocument.



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# File 'lib/teaching_printables/tp_document.rb', line 13

def initialize(args={})
  args = DOC_OPTIONS_DEFAULT.merge(args).merge({skip_page_creation: true})
  @document = Prawn::Document.new(args)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



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# File 'lib/teaching_printables/tp_document.rb', line 34

def method_missing(m, *args)
  method = m.to_s
  if document.class.public_method_defined?(method)
    document.send(method,*args)
  elsif method.start_with?("page_")
    page_method = method[5..-1]
    if state.page.class.public_method_defined?(page_method)
      state.page.send(page_method,*args)
    else 
      raise NoMethodError.new("Can't find method",page_method)
    end
  else
    super
  end
end

Instance Method Details

#page_height ⇒ Object 



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# File 'lib/teaching_printables/tp_document.rb', line 26

def page_height
  if page_layout == :portrait
    height = PDF::Core::PageGeometry::SIZES[page_size][1]
  else
    height = PDF::Core::PageGeometry::SIZES[page_size][0]
  end
end

#page_width ⇒ Object 



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# File 'lib/teaching_printables/tp_document.rb', line 18

def page_width
  if page_layout == :portrait
    width = PDF::Core::PageGeometry::SIZES[page_size][0]
  else
    width = PDF::Core::PageGeometry::SIZES[page_size][1]
  end
end