public function actionMovePosition()
{
$positions = array_flip($_GET['gellery-item']);
$pks = array_keys($positions);
$m = ImageGallery::model();
$cond = $m->idAttr.'='.implode(' OR '.$m->idAttr.'=', $pks);
$models = ImageGallery::model()->findAll(array('condition'=>$cond));
foreach ($models as $model) {
$model->sort = $positions[$model->pk];
$model->save();
}
}
