Class: Webgen::SourceHandler::Page

Inherits:
Object
  • Object
show all
Includes:
Base, WebsiteAccess
Defined in:
lib/webgen/sourcehandler/page.rb

Overview

Source handler for handling content files in Webgen Page Format.

Instance Method Summary collapse

Methods included from Base

#node_exists?, #output_path, #page_from_path

Methods included from Base::OutputPathHelpers

#standard_output_path

Methods included from Loggable

#log, #puts

Methods included from WebsiteAccess

included, website

Constructor Details

#initialize ⇒ Page

:nodoc:



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# File 'lib/webgen/sourcehandler/page.rb', line 12

def initialize #:nodoc:
  website.blackboard.add_listener(:node_meta_info_changed?, method(:meta_info_changed?))
end

Instance Method Details

#create_node(parent, path) ⇒ Object

Create a page file from parent and path.



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# File 'lib/webgen/sourcehandler/page.rb', line 17

def create_node(parent, path)
  page = page_from_path(path)
  path.meta_info['lang'] ||= website.config['website.lang']
  path.ext = 'html' if path.ext == 'page'

  super(parent, path) do |node|
    website.cache[[:sh_page_node_mi, node.absolute_lcn]] = node.meta_info.dup

    node.node_info[:page] = page
    tmp_logger = website.logger
    website.logger = nil    # disabling logging whiling creating fragment nodes

    website.cache.permanent[:page_sections] ||= {}
    sections = if path.changed? || !website.cache.permanent[:page_sections][node.absolute_lcn]
                 website.blackboard.invoke(:parse_html_headers, render_node(node, 'content', []))
               else
                 website.cache.permanent[:page_sections][node.absolute_lcn]
               end
    website.cache.permanent[:page_sections][node.absolute_lcn] = sections
    website.blackboard.invoke(:create_fragment_nodes,
                              sections,
                              node, website.blackboard.invoke(:source_paths)[path.path],
                              node.meta_info['fragments_in_menu'])
    website.logger = tmp_logger
  end
end

#render_node(node, block_name = 'content', templates = website.blackboard.invoke(:templates_for_node, node)) ⇒ Object Also known as: content

Render the block called block_name of the given node. The parameter templates is set to the default template chain for the given node but you can assign a custom template chain (an array of template nodes) if need arises. Return nil if an error occurred.



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# File 'lib/webgen/sourcehandler/page.rb', line 47

def render_node(node, block_name = 'content', templates = website.blackboard.invoke(:templates_for_node, node))
  chain = [templates, node].flatten

  if chain.first.node_info[:page].blocks.has_key?(block_name)
    node.node_info[:used_nodes] << chain.first.absolute_lcn
    context = chain.first.node_info[:page].blocks[block_name].render(Webgen::ContentProcessor::Context.new(:chain => chain))
    context.content
  else
    raise "Error rendering <#{node.absolute_lcn}>: no block named '#{block_name}' in <#{chain.first.absolute_lcn}>"
  end
end