sectionselectcontrol.php

<?php
 
namespace Bitrix\Iblock\Grid\Panel\UI\Actions\Item\ElementGroup\Helpers;
 
use Bitrix\Main\Grid\Panel\Types;
use Bitrix\Main\Localization\Loc;
use CIBlockSection;
 
trait SectionSelectControl
{
    private array $sectionTree;
 
    abstract protected function getIblockId(): int;
 
    protected function getSectionSelectControl(bool $withTopLevel): array
    {
        $dropdownSectionItems = [];
 
        if ($withTopLevel)
        {
            $dropdownSectionItems[] = [
                'NAME' => Loc::getMessage('IBLOCK_GRID_PANEL_UI_ACTIONS_ITEM_ELEMENT_GROUP_SECTION_TREE_TOP_LEVEL_NAME'),
                'VALUE' => 0,
            ];
        }
 
        if (!isset($this->sectionTree))
        {
            $this->sectionTree = [];
 
            $rows = CIBlockSection::getTreeList(
                ['IBLOCK_ID' => $this->getIblockId()],
                ['ID', 'NAME', 'DEPTH_LEVEL']
            );
            while ($row = $rows->Fetch())
            {
                $this->sectionTree[] = [
                    'NAME' => str_repeat(' . ', $row['DEPTH_LEVEL']) . $row['NAME'],
                    'VALUE' => (int)$row['ID'],
                ];
            }
        }
 
        array_push($dropdownSectionItems, ...$this->sectionTree);
 
        return [
            'TYPE' => Types::DROPDOWN,
            'ID' => 'section_id',
            'NAME' => 'section_id',
            'ITEMS' => $dropdownSectionItems,
        ];
    }
}