{assign var = 'values' value = $params|@current}
{if !empty($values)}
    <ul>
    {foreach from = $values item = 'category' name = 'categoriesList'}
        <li>{$category}</li>
        {if $smarty.foreach.categoriesList.iteration == $column.categoriesCount && false == $smarty.foreach.categoriesList.last}
        </ul><ul id="categories-cell-{$row.id}" style="display: none;">
        {/if}
    {/foreach}
    </ul>
    {if count($values) > $column.categoriesCount}
        <div><a class="expand-link" href="#" onclick="$('ul#categories-cell-{$row.id}').toggle('fast', {literal}_.bind(function(){$(this).toggleClass('expanded');}, this){/literal}); return false;">Show / Hide</a></div>
    {/if}
{/if}