From e6b7defd3818771d27ab2b3aa0e7d9a8448fc4e7 Mon Sep 17 00:00:00 2001
From: kasimi <mail@kasimi.net>
Date: Fri, 28 Apr 2017 16:32:11 +0200
Subject: [PATCH] [ticket/15187] Add paths of newly enabled extensions to
 template

When enabling an extension its paths aren't added immediately to
the template which results in ACP events not being registered in
the compiled template files.

PHPBB3-15187
---
 phpBB/phpbb/extension/manager.php | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/phpBB/phpbb/extension/manager.php b/phpBB/phpbb/extension/manager.php
index e7e5f83c23..7045624f28 100644
--- a/phpBB/phpbb/extension/manager.php
+++ b/phpBB/phpbb/extension/manager.php
@@ -227,6 +227,8 @@ class manager
 		if ($active)
 		{
 			$this->config->increment('assets_version', 1);
+
+			$this->update_template_paths($name, $this->container->get('template'));
 		}
 
 		return !$active;
@@ -589,4 +591,38 @@ class manager
 		}
 		return $finder;
 	}
+
+	/**
+	* Make the template aware of ACP template events of a newly enabled extension
+	*
+	* @param string						$name		The extension's name
+	* @param \phpbb\template\base|null	$template	The template service
+	* @return null
+	*/
+	protected function update_template_paths($name, \phpbb\template\base $template = null)
+	{
+		if ($template instanceof \phpbb\template\base)
+		{
+			$possible_paths = array(
+				$this->phpbb_root_path . 'ext/' . $name . '/adm/style',
+				$this->phpbb_root_path . 'ext/' . $name . '/styles',
+			);
+
+			$paths = array_filter($possible_paths, 'is_dir');
+
+			if ($paths)
+			{
+				$names = array(
+					array(
+						'name' 		=> 'adm',
+						'ext_path' 	=> 'adm/style/',
+					),
+				);
+
+				$paths[] = $this->phpbb_root_path . 'adm/style';
+
+				$template->set_custom_style($names, $paths);
+			}
+		}
+	}
 }