public function isTreeOpened() {
        $baseClass=ClassInfo::baseDataClass($this->owner->class);
        $id=$this->owner->ID;
        return isset(self::$treeOpened[$baseClass][$id]) ? self::$treeOpened[$baseClass][$id] : false;
    }
public function isTreeOpened() {
        $baseClass=ClassInfo::baseDataClass($this->owner->class);
        $id=$this->owner->ID;
        return isset(self::$treeOpened[$baseClass][$id]) ? self::$treeOpened[$baseClass][$id] : false;
    }
public function isTreeOpened ( ) { $ baseClass = ClassInfo :: baseDataClass ( $ this -> owner -> class ) ; $ id = $ this -> owner -> ID ; return isset ( self :: $ treeOpened [ $ baseClass ] [ $ id ] ) ? self :: $ treeOpened [ $ baseClass ] [ $ id ] : false ; }
Check if this DataObject's tree is opened.
Check if this DataObject s tree is opened .