/**
* Returns the base navigation path for the tabs.
* May return NULL if tab display is disabled.
*/
public static function getTabNavigationPath()
{
if (self::$tab_navigation_path === false && self::getTabNavigation()) {
foreach (self::getTabNavigation() as $subpath => $navigation) {
if ($navigation->isActive()) {
self::$tab_navigation_path = $subpath;
}
}
}
return self::$tab_navigation_path;
}
