public function submitSort()
    {
        $order = 1;
        $galleryData = $this->_defaultData($this->_block->getContent());
        foreach (Request::input('arr') as $image) {
            if (!isset($galleryData[$image])) {
                return 0;
            }
            $galleryData[$image]->order = $order++;
        }
        $this->_block->updateContent(serialize($galleryData));
        if ($this->_block->getPageId() && !config('coaster::admin.publishing')) { // update live page if no publishing
            PageVersion::latest_version($this->_block->getPageId(), true)->publish();
        }
        return 1;
    }