Method: View.txt_per_prefix

Defined in:
lib/xiki/view.rb

.txt_per_prefix(prefix = nil, options = {}) ⇒ Object

Returns text from view according to prefix…

  • 3 means 3 lines, etc.

  • no prefix means the notes block

  • etc



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# File 'lib/xiki/view.rb', line 622

def self.txt_per_prefix prefix=nil, options={}
  prefix ||= Keys.prefix(:clear=>1)

  prefix = prefix.abs if prefix.is_a?(Fixnum)
  left, right = [nil, nil]

  case prefix
  when 0   # Do paragraph
    left, right = View.paragraph(:bounds=>true)
  when 1..6   # Should probably catch all numeric prefix?
    left = Line.left
    right = $el.point_at_bol(prefix+1)
  when :-
    left, right = View.range if options[:selection]
  end

  # If no prefixes
  if left == nil
    if options[:default_is_line]
      left, right = [Line.left, Line.right]
    else
      ignore, left, right = View.block_positions("^>")
    end
  end

  Effects.blink(:left=>left, :right=>right) if options[:blink]
  txt = options[:just_positions] ? nil : View.txt(left, right)

  if options[:remove_heading] && txt =~ /^>/
    txt.sub! /.+\n/, ''
    # left won't be fixed, but who cares, for now
  end

  return txt if options[:just_txt]

  return [txt, left, right]
end