class modResourceMyGetListProcessor extends modResourceGetListProcessor

<?php
class DbrIdeatankReourceGetListProcessor extends modObjectGetListProcessor {
    public $languageTopics = array('debureaucratization:dbrideatank');
    public $classKey = 'ModReource';
    public $defaultSortField = 'id';
    public $defaultSortDirection = 'ASC';
    public $checkListPermission = true;
    public function prepareQueryBeforeCount(xPDOQuery $c) {
        $parent = $this->getProperty('parent');
        if (!empty($parent)) {
            $c->where(array('parent:IS' => $parent));
        }
        return $c;
    }
}
return 'DbrIdeatankResourceGetListProcessor';

,baseParams: {
            action: 'resource/getlist'
            ,parent: '21948'
        }

action: 'mgr/resource/getcategories'

{$total.cart_cost - $total.cart_weight}

{$total.cart_cost - $total.cart_weight}

{set $total = $_modx->runSnippet('pdoResources', ['parents'=>'2', 'setTotal' => '1', 'tpl' => 'tpl.pdo-more'])}

return count($modx->getCollection('modResource', array('parent' => $parent)));

{set $total = $_modx->runSnippet('getCountRes', ['parent'=>'2'])}
{if $_modx->resource.menuindex < $total - 3}
{set $offset = $_modx->resource.menuindex}
{else}
{set $offset = 0}
{/if}
{'!pdoResources' | snippet:[
'parents'=>2,
'limit'=>3,
'depth'=>10,
'tpl'=>'tpl.pdo-more',
'includeTVs'=>'global-video,img',
'resources'=>'-'~$_modx->resource.id,
'sortby'=>'publishedon',
'sortdir'=>'DESC',
'offset'=>$offset
]}