add Stylesheet- and CssAgent and add it to HTML-layout

agents/intermediate/CssAgent.inc

@@ -0,0 +1,35 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\agents\intermediate;
+	
+	
+	/**
+	 * Agent to show CSS-stylesheets.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class CssAgent extends \nre\agents\IntermediateAgent
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

agents/toplevel/StylesheetAgent.inc

@@ -0,0 +1,35 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\agents\toplevel;
+	
+	
+	/**
+	 * Agent to display stylesheets.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class StylesheetAgent extends \nre\agents\ToplevelAgent
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

configs/AppConfig.inc

@@ -56,7 +56,7 @@
 		 * @var array
 		 */
 		public static $routes = array(
-			//array('<pattern>', '<replace>', '<is_last>')
+			array('css/?(.*)',	'css/$1?layout=stylesheet',	false)
 		);
 
 

controllers/CssController.inc

@@ -0,0 +1,103 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the CssAgent to show CSS-stylesheets.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class CssController extends \hhu\z\Controller
+	{
+		
+		
+		
+		/**
+		 * Prefilter that is executed before running the Controller.
+		 * 
+		 * @param	Request		$request	Current request
+		 * @param	Response	$response	Current response
+		 */
+		public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
+		{
+			parent::preFilter($request, $response);
+			
+			// Set content-type for CSS-stylesheets
+			$response->addHeader('Content-type: text/css');
+			
+			// Set expires-header for caching
+			$response->addHeader("Pragma: public");
+			$response->addHeader("Expires: ".gmdate('r', time()+(60*60*24)));
+			$response->addHeader("Date: ".gmdate(\DateTime::RFC822));
+		}
+		
+		
+		/**
+		 * Action: desktop.
+		 * 
+		 * Show CSS for desktops.
+		 */
+		public function desktop()
+		{
+			// Set HTTP-header
+			$this->setHeader();
+		}
+		
+		
+		/**
+		 * Action: adds.
+		 * 
+		 * Show additional CSS for desktops.
+		 */
+		public function desktop_adds()
+		{
+			// Set HTTP-header
+			$this->setHeader();
+		}
+		
+		
+		
+		
+		/**
+		 * Set HTTP-header for caching.
+		 */
+		private function setHeader()
+		{
+			// Determine filename of template
+			$templateFilename = $this->getView()->getTemplateFilename();
+			
+			// Determine date of last change
+			$templateLastModified = gmdate('r', filemtime($templateFilename));
+			
+			// Create E-tag
+			$templateEtag = hash('sha256', $templateLastModified.$templateFilename);
+			
+			
+			// Set header
+			$this->response->addHeader("Last-Modified: ".$templateLastModified);
+			$this->response->addHeader("Etag: ".$templateEtag);
+			// HTTP-status
+			$headerModifiedSince = $this->request->getServerParam('HTTP_IF_MODIFIED_SINCE');
+			$headerNoneMatch = $this->request->getServerParam('HTTP_IF_NONE_MATCH');
+			if(
+				!is_null($headerModifiedSince) && $templateLastModified < strtotime($headerModifiedSince) &&
+				!is_null($headerNoneMatch) && $headerNoneMatch == $templateEtag
+			) {
+				$this->response->setExit(true);
+				$this->response->addHeader(\nre\core\WebUtils::getHttpHeader(304));
+			}
+		}
+		
+	}
+
+?>

controllers/StylesheetController.inc

@@ -0,0 +1,37 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\controllers;
+	
+	
+	/**
+	 * Controller of the StylesheetAgent to display stylesheets.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class StylesheetController extends \nre\core\Controller
+	{
+		
+		
+		
+		
+		/**
+		 * Action: index.
+		 * 
+		 * Show the stylesheet-structure
+		 */
+		public function index()
+		{
+		}
+		
+	}
+
+?>

views/html/html.tpl

@@ -4,6 +4,8 @@
 <head>
 	<meta charset="utf-8" />
 	<title>The Legend of Z</title>
+	
+	<link rel="stylesheet" type="text/css" href="/css/desktop" media="all" />
 </head>
 
 <body>

views/stylesheet/error/index.tpl

@@ -0,0 +1 @@
+Fehler: <?=$code?> <?=$string?>

views/stylesheet/stylesheet.tpl

@@ -0,0 +1,4 @@
+@charset "UTF-8";
+
+
+<?=$intermediate?>