Class: Juli::Visitor::Html::Helper::Contents

Inherits:
AbstractHelper show all
Defined in:
lib/juli/visitor/html/helper/contents.rb

Overview

Helper-class for ‘contents’ helper

Defined Under Namespace

Classes: ChapterChecker, ContentsDrawer

Instance Method Summary collapse

Methods inherited from AbstractHelper

conf_template, #initialize, #set_conf_default

Methods included from Util

#camelize, conf, find_template, in_filename, juli_repo, mkdir, out_filename, str_limit, str_trim, to_wikiname, underscore, usage, visitor, visitor_list

Constructor Details

This class inherits a constructor from Juli::Visitor::Html::Helper::AbstractHelper

Instance Method Details

#on_root(in_file, root, visitor = nil) ⇒ Object

called on each parsed document



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# File 'lib/juli/visitor/html/helper/contents.rb', line 51

def on_root(in_file, root, visitor = nil)
  @root = root
end

#run(*args) ⇒ Object

implementation of:

contents

which draws contents(a.k.a. outline) of this document.

This visits document tree by ContentsDrawer visitor and generate HTML contents list.



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# File 'lib/juli/visitor/html/helper/contents.rb', line 62

def run(*args)
  contents_drawer = ContentsDrawer.new
  chapter_checker = ChapterChecker.new
  @root.accept(chapter_checker)
  if chapter_checker.chapter_exists
    contents_drawer.content_tag(:b, I18n.t('contents')) +
    contents_drawer.content_tag(:ol) do
      @root.accept(contents_drawer)
    end
  else
    ''
  end
end