Module: BoxHelper

Defined in:
app/helpers/box_helper.rb

Instance Method Summary collapse

Instance Method Details

#content_box(options = {}) ⇒ Object 



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# File 'app/helpers/box_helper.rb', line 5

def content_box( options = {} )
  heading = options[ :heading ]
  content = options[ :content ]
  content = yield unless content
  box_class = options[ :box_class ]

  render partial: 'layouts/box', locals: { heading: heading, content: content, box_class: box_class }
end

#convert_to_content_box(html_code = nil) ⇒ Object 



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# File 'app/helpers/box_helper.rb', line 14

def convert_to_content_box( html_code = nil )
  html_code = yield unless html_code
  html_convert_h1_to_boxes( html_code )
end

#html_convert_h1_to_boxes(html_code, options = {}) ⇒ Object 



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# File 'app/helpers/box_helper.rb', line 19

def html_convert_h1_to_boxes( html_code, options = {} )
  
  # Further Nokogiri Reference
  # * http://stackoverflow.com/questions/3449767/
  # * http://www.engineyard.com/blog/2010/getting-started-with-nokogiri/
  # * http://nokogiri.org/Nokogiri/XML/Node.html#method-i-next_element
  # * http://stackoverflow.com/questions/4723344/how-to-prevent-nokogiri-from-adding-doctype-tags
  # * http://stackoverflow.com/questions/3817843/using-xpath-with-html-or-xml-fragment
  #
  doc = Nokogiri::HTML::DocumentFragment.parse( html_code )

  box_counter = 0
  doc.xpath( 'descendant::h1' ).each do |h1_node|
    box_counter += 1
    heading = h1_node.inner_html.html_safe
    heading_class = h1_node.attr( :class )
    heading_class ||= ""
    heading_class += " first" if box_counter == 1

    content_element = h1_node.next_element
    if content_element
      content = content_element.to_html.html_safe
      content_element.remove()      
    end
    content ||= "" # because content_box expects a String

    h1_node.replace( content_box( heading: heading, content: content, box_class: heading_class ) )
  end
  
  return doc.to_s.html_safe
end

#show_box_edit_button?(box_class, navable) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/helpers/box_helper.rb', line 51

def show_box_edit_button?(box_class, navable)
  return can? :create_attachment_for, navable if box_class == 'attachments'
  return can? :update, navable
end