Method: SugarCube::Repl.draw_tree

Defined in:
lib/cocoa/sugarcube-repl/repl.rb

.draw_tree(item, selector, tab = nil, is_last = true, items_index = 0) ⇒ Object

Draws the tree items



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# File 'lib/cocoa/sugarcube-repl/repl.rb', line 301

def draw_tree(item, selector, tab=nil, is_last=true, items_index=0)
  space = ' '
  if items_index < 10
    print '  '
  elsif items_index < 100
    print ' '
  elsif items_index > 999  # good god, man!
    space = ''
  end
  print items_index.to_s + ":" + space

  if tab
    print tab
    if @sugarcube_collapsed_items && @sugarcube_collapsed_items.include?(item)
      print '<<< '
    else
      if is_last
        print '`-- '
        tab += '    '
      else
        print '+-- '
        tab += '|   '
      end
    end
  else
    print '. '
    tab = ''
  end

  if self == item || @sugarcube_view == item
    print "\033[1m"
  end
  print draw_tree_item(item)
  if self == item || @sugarcube_view == item
    print "\033[0m"
  end
  puts

  if selector.is_a? Proc
    items = selector.call(item)
  else
    items = item.send(selector)
  end
  items ||= []

  unless @sugarcube_collapsed_items && @sugarcube_collapsed_items.include?(item)
    items.each_with_index do |subview, index|
      items_index += 1
      if self.respond_to? :draw_tree
        items_index = draw_tree(subview, selector, tab, index == items.length - 1, items_index)
      else
        items_index = SugarCube::Repl::draw_tree(subview, selector, tab, index == items.length - 1, items_index)
      end
    end
  end

  return items_index
end