ext_im_catalog.php

...
private function renderFrontendItemList($args = null)
{
	$rows = '';
	$tag_selector = '';
	$tag_url = '';
	if(!empty($_GET['tag'])) {
		$tag_selector = '&&tags=%'.$this->imanager->sanitizer->text($_GET['tag']).'%';
		$tag_url = '?tag='.$this->imanager->sanitizer->text($_GET['tag']);
	}

	$params = array(
		'section' => 'frontend',
		'selector' => 'active=1'.$tag_selector,
		'pageurl' => $this->processor->config->pageNumberParam,
		'tagurl' => $tag_url
	);

	$categories = $this->processor->getCategories();

	foreach($categories['categories'] as $category) {

		$result = $this->processor->getItems($category->id, $params);

		if(isset($result['total']) && $result['total'] > 0 && !empty($result['items']))
		{
			foreach($result['items'] as $item)
			{
				if($this->processor->config->itemListImageResize)
				{
					$path = U::getResizedUrl($item,
						$this->processor->config->itemListImageIndex,
						$this->processor->config->itemListImageMaxWidth,
						$this->processor->config->itemListImageMaxHeight,
						'resize'
					);
				} else { $path = $item->image[$this->processor->config->itemListImageIndex]; }

				$replace = array();
				foreach($item as $name => $value) {
					if($name == 'image') {
						$replace[$name] = $path;
						continue;
					}
					$replace[$name] = ($name == 'image_title') ? $value[0] : $value;
				}
				$replace['href'] = './'.$item->slug.$this->processor->config->trailingSlash;

				$replace['figure'] = '';
				if(isset($replace['image']))
				{
					$replace['figure'] = $this->parser->render($this->itemFigure, array(
							'href' => $replace['href'],
							'image' => $replace['image'],
							'image_title' => $replace['image_title'],
						)
					);
					// delete unwanted stuff
					unset($replace['image']);
					unset($replace['image_title']);
				}

				$tags_wrapper_tpl = '';
				if($this->processor->config->displayItemListTags && !empty($item->tags))
				{
					$tags_tpl = '';
					$tags = array_map('trim', explode(',', $item->tags));
					if(is_array($tags)) {
						foreach($tags as $tag)
						{
							$tags_tpl .= $this->parser->render($this->tag, array(
									'href' => '?tag='.urlencode(strtolower($tag)),
									'tag_label' => $tag
								)
							);
						}
						$tags_wrapper_tpl = $this->parser->render($this->tagsWrapper, array('tags' =>  $tags_tpl));
					}
				}

				$replace['tags'] = $tags_wrapper_tpl;

				$replace['item_info'] = $this->parser->render($this->itemInfo, array(
						'href' => $replace['href'],
						'info_link' => U::i18n_r('itemlist_infolink_label')
					)
				);

				$rows .= $this->parser->render($this->itemRow, $replace);
			}
			$this->content = $rows;
			$this->pagination = $result['pagination'];
			$this->total = $result['total'];
		}
	}
}