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<?php namespace Backend\Classes;
use File;
use Config;
use Winter\Storm\Router\Helper as RouterHelper;
/**
* Skin Base class
* Used for defining skins.
*
* @package winter\wn-backend-module
* @author Alexey Bobkov, Samuel Georges
*/
abstract class Skin
{
/**
* Returns information about this skin, including name and description.
*/
abstract public function skinDetails();
/**
* @var string The absolute path to this skin.
*/
public $skinPath;
/**
* @var string The public path to this skin.
*/
public $publicSkinPath;
/**
* @var string The default skin path, usually the root level of modules/backend.
*/
public $defaultSkinPath;
/**
* @var string The default public skin path.
*/
public $defaultPublicSkinPath;
/**
* @var Self Cache of the active skin.
*/
private static $skinCache;
/**
* Constructor.
*/
public function __construct()
{
$this->defaultSkinPath = base_path() . '/modules/backend';
/*
* Guess the skin path
*/
$class = get_called_class();
$classFolder = strtolower(class_basename($class));
$classFile = realpath(dirname(File::fromClass($class)));
$this->skinPath = $classFile
? $classFile . '/' . $classFolder
: $this->defaultSkinPath;
$this->publicSkinPath = File::localToPublic($this->skinPath);
$this->defaultPublicSkinPath = File::localToPublic($this->defaultSkinPath);
}
/**
* Looks up a path to a skin-based file, if it doesn't exist, the default path is used.
* @param string $path
* @param boolean $isPublic
* @return string
*/
public function getPath($path = null, $isPublic = false)
{
$path = RouterHelper::normalizeUrl($path);
$assetFile = $this->skinPath . $path;
if (File::isFile($assetFile)) {
return $isPublic
? $this->publicSkinPath . $path
: $this->skinPath . $path;
}
return $isPublic
? $this->defaultPublicSkinPath . $path
: $this->defaultSkinPath . $path;
}
/**
* Returns an array of paths where skin layouts can be found.
* @return array
*/
public function getLayoutPaths()
{
return [$this->skinPath.'/layouts', $this->defaultSkinPath.'/layouts'];
}
/**
* Returns the active skin.
*/
public static function getActive()
{
if (self::$skinCache !== null) {
return self::$skinCache;
}
$skinClass = Config::get('cms.backendSkin');
$skinObject = new $skinClass();
return self::$skinCache = $skinObject;
}
}