function getRenderedLayout($layout, $tag, $topic)
 {
     //Get layout Markup and its tokens
     $layoutMarkup = $this->getLayoutSource($layout);
     // Get layout HTML content (default:layout_default.ctp)
     $matches = $this->getMatchElements($layoutMarkup);
     // Get matching elements
     $layoutTokens = $this->getLayoutModuleTokens($matches);
     // return arrays of token values
     App::import("Controller", "Modules");
     $Modules = new ModulesController();
     $Modules->constructClasses();
     $dataModuleResult = $Modules->getModules($layoutTokens);
     //Get Modules content
     App::import("Controller", "Datarows");
     $Datarows = new DatarowsController();
     $Datarows->constructClasses();
     $Content = $Datarows->getDatarows($layoutTokens, $tag, $topic);
     //Get final layout Markup
     $layoutMarkup = $this->getlayoutMarkup($layoutMarkup, $layoutTokens, $dataModuleResult, $Content, $matches, $topic);
     return $layoutMarkup;
 }