require_dependency 'application'

class DefaultPagePartsExtension < Radiant::Extension
  version "0.2.1"
  description "With this extension you can create a page of DefaultPageParts type and specify the default parts of all its children."
  url "http://gravityblast.com/projects/radiant-page-utilities/"
  
  def activate
    DefaultPagePartsPage
    Admin::PageController.class_eval do       
      def new
        @page = request.get? ? Page.new_with_defaults(config) : Page.new
        @page.slug = params[:slug]
        @page.breadcrumb = params[:breadcrumb]
        @page.parent = Page.find_by_id(params[:parent_id])
        
        if settings_page = @page.ancestors.find{|p| p.class_name == 'DefaultPagePartsPage'}
          config = settings_page.config
          default_filter = config["filter"].to_s.camelize
          filter = ["SmartyPants", "Markdown", "Textile"].include?(default_filter) ? "#{default_filter}" : nil
          if config["parts"].is_a?(Array) && config["parts"].size > 0
            @page.parts = []
            config["parts"].each do |name|
              @page.parts << PagePart.new(:name => name, :filter_id => filter)
            end
          end                              
        end
        
        render :action => :edit if handle_new_or_edit_post
      end
            
    end
  end
  
  def deactivate   
  end
  
end