1 files changed, 137 insertions, 0 deletions
diff --git a/phpBB/phpbb/style/extension_path_provider.php b/phpBB/phpbb/style/extension_path_provider.php
new file mode 100644
index 0000000000..ec1d85f821
--- /dev/null
+++ b/phpBB/phpbb/style/extension_path_provider.php
@@ -0,0 +1,137 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Provides a style resource locator with core style paths and extension style paths
+*
+* Finds installed style paths and makes them available to the resource locator.
+*
+* @package phpBB3
+*/
+class phpbb_style_extension_path_provider extends phpbb_extension_provider implements phpbb_style_path_provider_interface
+{
+	/**
+	* Optional prefix for style paths searched within extensions.
+	*
+	* Empty by default. Relative to the extension directory. As an example, it
+	* could be adm/ for admin style.
+	*
+	* @var string
+	*/
+	protected $ext_dir_prefix = '';
+
+	/**
+	* A provider of paths to be searched for styles
+	* @var phpbb_style_path_provider
+	*/
+	protected $base_path_provider;
+
+	/** @var string */
+	protected $phpbb_root_path;
+
+	/**
+	* Constructor stores extension manager
+	*
+	* @param phpbb_extension_manager $extension_manager phpBB extension manager
+	* @param phpbb_style_path_provider $base_path_provider A simple path provider
+	*            to provide paths to be located in extensions
+	* @param string		$phpbb_root_path	phpBB root path
+	*/
+	public function __construct(phpbb_extension_manager $extension_manager, phpbb_style_path_provider $base_path_provider, $phpbb_root_path)
+	{
+		parent::__construct($extension_manager);
+		$this->base_path_provider = $base_path_provider;
+		$this->phpbb_root_path = $phpbb_root_path;
+	}
+
+	/**
+	* Sets a prefix for style paths searched within extensions.
+	*
+	* The prefix is inserted between the extension's path e.g. ext/foo/ and
+	* the looked up style path, e.g. styles/bar/. So it should not have a
+	* leading slash, but should have a trailing slash.
+	*
+	* @param string $ext_dir_prefix The prefix including trailing slash
+	* @return null
+	*/
+	public function set_ext_dir_prefix($ext_dir_prefix)
+	{
+		$this->ext_dir_prefix = $ext_dir_prefix;
+	}
+
+	/**
+	* Finds style paths using the extension manager
+	*
+	* Locates a path (e.g. styles/prosilver/) in all active extensions.
+	* Then appends the core style paths based in the current working
+	* directory.
+	*
+	* @return array     List of style paths
+	*/
+	public function find()
+	{
+		$directories = array();
+
+		$finder = $this->extension_manager->get_finder();
+		foreach ($this->base_path_provider as $key => $paths)
+		{
+			if ($key == 'style')
+			{
+				foreach ($paths as $path)
+				{
+					$directories['style'][] = $path;
+					if ($path && !phpbb_is_absolute($path))
+					{
+						// Remove phpBB root path from the style path,
+						// so the finder is able to find extension styles,
+						// when the root path is not ./
+						if (strpos($path, $this->phpbb_root_path) === 0)
+						{
+							$path = substr($path, strlen($this->phpbb_root_path));
+						}
+
+						$result = $finder->directory('/' . $this->ext_dir_prefix . $path)
+							->get_directories(true, false, true);
+						foreach ($result as $ext => $ext_path)
+						{
+							// Make sure $ext_path has no ending slash
+							if (substr($ext_path, -1) === '/')
+							{
+								$ext_path = substr($ext_path, 0, -1);
+							}
+							$directories[$ext][] = $ext_path;
+						}
+					}
+				}
+			}
+		}
+
+		return $directories;
+	}
+
+	/**
+	* Overwrites the current style paths
+	*
+	* @param array $styles An array of style paths. The first element is the main style.
+	* @return null
+	*/
+	public function set_styles(array $styles)
+	{
+		$this->base_path_provider->set_styles($styles);
+		$this->items = null;
+	}
+}