Laravel AJAX trait addition for HTML5 History navigation

AjaxTrait.php

<?php

trait AjaxTrait {

	/**
	 * Setup the layout used by the controller.
	 *
	 * @return void
	 */
	protected function setupLayout() {

		if ( ! is_null($this->layout)) {
			View::share("section", $this->section);
			View::share("header", Config::get("osu.header"));
			View::share("page", Request::segment(2) ?: "index");

			if (Request::ajax() or Input::has("ajax"))
				$this->layout = View::make($this->ajax);
			else
				$this->layout = View::make($this->layout);
		}

	}

	/**
	 * Execute an action on the controller.
	 *
	 * @param string  $method
	 * @param array   $parameters
	 * @return \Symfony\Component\HttpFoundation\Response
	 */
	public function callAction($method, $parameters) {

		$this->setupLayout();

		$response = call_user_func_array([$this, $method], $parameters);

		// if there is already a response return it (POST), else it's a GET
		if (is_null($response) and ! is_null($this->layout)) {
			if (Request::ajax() or Input::has("ajax")) {
				// raw response for AJAX to insert into the #content elem
				$data = $this->layout->getEnvironment()->getShared();
				$html = str_replace(["\t", "\n", "\r\n"], "", $this->layout->render());
				return Response::json([
					"html" => $html,
					"vars" => $data,
					"translations" => [
						"section" => Lang::get("layout.menu.{$data["section"]}.{$data["section"]}"),
						"page" => Lang::get("layout.menu.{$data["section"]}.{$data["page"]}")
					]
				]);

			} else {
				// ordinary response
				return $this->layout;
			}
			
		}

		return $response;
	}	
}