[feature/twig] Attempt to automatically set style dir for ext controllers

Extension authors can change it themselves if necessary

PHPBB3-11598

phpBB/config/services.yml

@@ -79,7 +79,7 @@ services:
         arguments:
             - @user
             - @service_container
-            - @ext.finder
+            - @style
 
     cron.task_collection:
         class: phpbb_di_service_collection

phpBB/includes/controller/resolver.php

@@ -37,16 +37,24 @@ class phpbb_controller_resolver implements ControllerResolverInterface
 	*/
 	protected $container;
 
+	/**
+	* phpbb_style object
+	* @var phpbb_style
+	*/
+	protected $style;
+
 	/**
 	* Construct method
 	*
 	* @param phpbb_user $user User Object
 	* @param ContainerInterface $container ContainerInterface object
+	* @param phpbb_style $style
 	*/
-	public function __construct(phpbb_user $user, ContainerInterface $container)
+	public function __construct(phpbb_user $user, ContainerInterface $container, phpbb_style $style)
 	{
 		$this->user = $user;
 		$this->container = $container;
+		$this->style = $style;
 	}
 
 	/**
@@ -80,6 +88,24 @@ class phpbb_controller_resolver implements ControllerResolverInterface
 
 		$controller_object = $this->container->get($service);
 
+		/*
+		* If this is an extension controller, we'll try to automatically set
+		* the style paths for the extension (the ext author can change them
+		* if necessary).
+		*/
+		$controller_dir = explode('_', get_class($controller_object));
+
+		// 0 phpbb, 1 ext, 2 vendor, 3 extension name, ...
+		if ($controller_dir[1] === 'ext')
+		{
+			$controller_style_dir = 'ext/' . $controller_dir[2] . '/' . $controller_dir[3] . '/styles';
+
+			if (is_dir($controller_style_dir))
+			{
+				$this->style->set_style(array($controller_style_dir, 'styles'));
+			}
+		}
+
 		return array($controller_object, $method);
 	}