/**
* Returns an instance of class (singleton pattern implementation).
*
* @return OW_Navigation
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Returns global navigation object.
*
* @return OW_Navigation
*/
public static function getNavigation()
{
return OW_Navigation::getInstance();
}
/**
* Deletes menu item.
*
* @param string $prefix
* @param string $key
*/
public function deleteMenuItem($prefix, $key)
{
$this->navigation->deleteMenuItem($prefix, $key);
}
