public function getHTML($materialFieldId)
    {
        // Get all material images
        $items_html = '';
        /** @var array $images List of gallery images */
        $images = null;
        // there are gallery images
        if ($this->query->entity(CMS::MATERIAL_IMAGES_RELATION_ENTITY)->where('materialFieldId', $materialFieldId)->orderBy('priority')->exec($images)) {
            /** @var \samson\cms\CMSGallery $image */
            foreach ($images as $image) {
                // Get image size string
                $size = ', ';
                // Get image path
                $path = $this->formImagePath($image->Path, $image->Src);

                // if file doesn't exist
                if (!$this->imageExists($path)) {
                      $path = ResourceMap::find('www/img/no-img.png', $this);
                }

                // set image size string representation, if it is not 0
                $size = ($image->size == 0) ? '' : $size . $this->humanFileSize($image->size);

                // Render gallery image tumb
                $items_html .= $this->view('tumbs/item')
                    ->set($image, 'image')
                    ->set(utf8_limit_string($image->Description, 25, '...'), 'description')
                    ->set(utf8_limit_string($image->Name, 18, '...'), 'name')
                    ->set($path, 'imgpath')
                    ->set($size, 'size')
                    ->set($materialFieldId, 'material_id')
                    ->output();
            }
        }

        // Render content into inner content html
        return $this->view('tumbs/index')
            ->set($items_html, 'images')
            ->set($materialFieldId, 'material_id')
            ->output();
    }