public function submitDelete($file)
    {
        AdminLog::new_log('Removed ' . $file . ' from Gallery (ID ' . $this->_block->id . ')');
        $galleryData = $this->_defaultData($this->_block->getContent());
        $path = '/' . $this->_block->getPageId() . '/';
        if (isset($galleryData[$file])) {
            $path = $galleryData[$file]->path;
            unset($galleryData[$file]);
            $this->_block->updateContent(serialize($galleryData));
        }
        $fullDir = public_path() . '/uploads/system/gallery/' . $this->_block->name . $path;
        if (file_exists($fullDir . 'thumbnail/' . $file)) {
            unlink($fullDir . 'thumbnail/' . $file);
        }
        if (file_exists($fullDir . $file)) {
            unlink($fullDir . $file);
        }
        return 1;
    }