Method: MaRuKu::Out::HTML#to_html_equation

Defined in:
lib/maruku/ext/math/to_html.rb

#to_html_equation ⇒ Object 



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# File 'lib/maruku/ext/math/to_html.rb', line 116

def to_html_equation
  mathml = get_setting(:html_math_output_mathml) && render_mathml(:equation, self.math)
  png    = get_setting(:html_math_output_png)    && render_png(:equation, self.math)

  div = xelem('div')
  div['class'] = 'maruku-equation'
  if mathml
    if self.label  # then numerate
      span = xelem('span')
      span['class'] = 'maruku-eq-number'
      span << xtext("(#{self.num})")
      div << span
      div['id'] = "eq:#{self.label}"
    end
    mathml.add_class('maruku-mathml')
    div << mathml.to_html
  end

  if png
    img = adjust_png(png, false)
    div << img
    if self.label  # then numerate
      span = xelem('span')
      span['class'] = 'maruku-eq-number'
      span << xtext("(#{self.num})")
      div << span
      div['id'] = "eq:#{self.label}"
    end
  end

  source_span = xelem('span')
  add_class_to(source_span, 'maruku-eq-tex')
  code = convert_to_mathml_none(:equation, self.math.strip)
  code['style'] = 'display: none'
  source_span << code
  div << source_span

  div
end