skeeks\cms\controllers\AdminTreeController::indexData PHP Method

    public function indexData()
    {
        if (self::$indexData) {
            return self::$indexData;
        }
        $models = Tree::findRoots()->joinWith('cmsSiteRelation')->orderBy([CmsSite::tableName() . ".priority" => SORT_ASC])->all();
        self::$indexData = ['models' => $models];
        return self::$indexData;
    }