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<?php
/**
*
* @package phpBB3
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Provides a template locator with paths
*
* Finds installed template paths and makes them available to the locator.
*
* @package phpBB3
*/
class phpbb_template_path_provider extends phpbb_extension_provider
{
protected $main_template_name = '';
protected $templates = array();
protected $ext_dir_prefix = '';
/**
* Constructor stores extension manager
*
* @param phpbb_extension_manager $extension_manager phpBB extension manager
*/
public function __construct(phpbb_extension_manager $extension_manager = null)
{
// no super call to avoid find() call
$this->extension_manager = $extension_manager;
}
/**
* Defines a prefix to use for template paths in extensions
*
* @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 template paths using the extension manager
*
* Finds paths with the same name (e.g. styles/prosilver/template/) in all
* active extensions. Then appends the actual template paths based in the
* current working directory.
*
* @return array List of template paths
*/
public function find()
{
$directories = array();
if ($this->extension_manager)
{
$finder = $this->extension_manager->get_finder();
foreach ($this->templates as $name => $path)
{
if ($path && !phpbb_is_absolute($path))
{
$directories = array_merge($directories, $finder
->directory('/' . $this->ext_dir_prefix . $path)
->get_directories()
);
}
}
}
foreach ($this->templates as $name => $path)
{
$directories[] = $path;
}
return $directories;
}
/**
* Overwrites the current template names and paths
*
* @param array $templates An associative map from template names to paths.
* The first element is the main template.
* If the path is false, it will be generated from
* the supplied name.
* @return null
*/
public function set_templates(array $templates)
{
$this->templates = array();
foreach ($templates as $name => $path)
{
if (!$path)
{
$path = $this->template_root_for_style($name);
}
$this->templates[$name] = $path;
}
reset($this->templates);
$this->main_template_path = current($this->templates);
$this->items = $this->find();
}
/**
* Retrieves the path to the main template passed into set_templates()
*
* @return string Main template path
*/
public function get_main_template_path()
{
return $this->main_template_path;
}
/**
* Converts a style name to relative (to board root or extension) path to
* the style's template files.
*
* @param $style_name string Style name
* @return string Path to style template files
*/
private function template_root_for_style($style_name)
{
return 'styles/' . $style_name . '/template';
}
}
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