listfieldassembler.php

<?php
 
namespace Bitrix\Iblock\Grid\Row\Assembler\Property;
 
use Bitrix\Main;
use Bitrix\Iblock\Grid\Column\ElementPropertyProvider;
use Bitrix\Iblock\PropertyEnumerationTable;
use Bitrix\Iblock\PropertyTable;
 
final class ListFieldAssembler extends BaseFieldAssembler
{
    public function __construct(int $iblockId)
    {
        parent::__construct($iblockId, []);
    }
 
    protected function getPropertyFilter(): array
    {
        return [
            '=PROPERTY_TYPE' => PropertyTable::TYPE_LIST,
            '=USER_TYPE' => null,
        ];
    }
 
    protected function validateProperty(array $property): ?array
    {
        return $property;
    }
 
    protected function prepareRow(array $row): array
    {
        if (!self::isElementRow($row))
        {
            return $row;
        }
 
        $columnIds = $this->getColumnIds();
        if (empty($columnIds))
        {
            return $row;
        }
 
        $row['columns'] ??= [];
 
        $columnToPropertyIds = ElementPropertyProvider::getPropertyIdsFromColumnsIds($columnIds);
        foreach ($columnToPropertyIds as $columnId => $propertyId)
        {
            // edit
            $value = $this->getColumnValues($row['data'][$columnId] ?? null, 'VALUE_ENUM_ID');
            Main\Type\Collection::normalizeArrayValuesByInt($value, false);
            if ($this->isMultipleColumn($columnId))
            {
                $row['data']['~' . $columnId] = $value;
            }
            else
            {
                $row['data']['~' . $columnId] = empty($value) ? '' : reset($value);
            }
 
            // view
            $value = $this->getColumnValues($row['data'][$columnId] ?? null, 'VALUE');
            $viewValue = '';
            if (!empty($value))
            {
                $viewValue = join(' / ', $value);
            }
            $viewValue = Main\Text\HtmlFilter::encode($viewValue);
            $row['columns'][$columnId] ??= $viewValue;
        }
 
        /*
        $columnToPropertyIds = ElementPropertyProvider::getPropertyIdsFromColumnsIds($columnIds);
        foreach ($columnToPropertyIds as $columnId => $propertyId)
        {
            if (isset($row['columns'][$columnId]))
            {
                continue;
            }
 
            $value = $row['data'][$columnId] ?? null;
            if (is_array($value))
            {
                $tmp = [];
                foreach ($value as $valueItem)
                {
                    if (is_numeric($valueItem))
                    {
                        $tmp[] = $this->getEnumValue($propertyId, $valueItem);
                    }
                    else
                    {
                        $tmp[] = $valueItem;
                    }
 
                }
 
                $value = join(' / ', $tmp);
            }
            elseif (is_numeric($value))
            {
                $value = $this->getEnumValue($propertyId, $value);
            }
 
            $row['columns'][$columnId] = $value;
        }
 
        */
 
        return $row;
    }
}