iblockelement.php

См. документацию.

<?php
namespace Bitrix\Bizproc\UserType;
 
use Bitrix\Main,
    Bitrix\Bizproc\FieldType,
    Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class IblockElement extends UserFieldBase
{
    public static function renderControlOptions(FieldType $fieldType, $callbackFunctionName, $value)
    {
        if (is_array($value))
        {
            reset($value);
            $valueTmp = (int) current($value);
        }
        else
        {
            $valueTmp = (int) $value;
        }
 
        $iblockId = 0;
        if ($valueTmp > 0)
        {
            $idKey = ($fieldType->getType() === 'UF:iblock_section') ? 'SECTION_ID' : 'ID';
            $elementIterator = \CIBlockElement::getList([], [$idKey => $valueTmp], false, false, array('ID', 'IBLOCK_ID'));
            if ($element = $elementIterator->fetch())
            {
                $iblockId = $element['IBLOCK_ID'];
            }
        }
 
        if ($iblockId <= 0 && (int) $fieldType->getOptions() > 0)
        {
            $iblockId = (int) $fieldType->getOptions();
        }
 
        $defaultIBlockId = 0;
 
        $result = '<select id="WFSFormOptionsX" onchange="'
            .Main\Text\HtmlFilter::encode($callbackFunctionName).'(this.options[this.selectedIndex].value)">';
 
        $iblockTypeIterator = \CIBlockParameters::getIBlockTypes();
        foreach ($iblockTypeIterator as $iblockTypeId => $iblockTypeName)
        {
            $result .= '<optgroup label="'.Main\Text\HtmlFilter::encode($iblockTypeName).'">';
 
            $iblockIterator = \CIBlock::getList(['SORT' => 'ASC'], ['TYPE' => $iblockTypeId, 'ACTIVE' => 'Y']);
            while ($iblock = $iblockIterator->fetch())
            {
                $result .= '<option value="'.$iblock['ID'].'"'.(($iblock['ID'] == $iblockId) ? ' selected' : '').'>'
                    .Main\Text\HtmlFilter::encode($iblock['NAME']).'</option>';
                if (($defaultIBlockId <= 0) || ($iblock['ID'] == $iblockId))
                    $defaultIBlockId = $iblock['ID'];
            }
 
            $result .= '</optgroup>';
        }
        $result .= '</select><!--__defaultOptionsValue:'.$defaultIBlockId.'--><!--__modifyOptionsPromt:'
            .Loc::getMessage('BP_FIELDTYPE_UF_INFOBLOCK').'-->';
        $fieldType->setOptions($defaultIBlockId);
 
        return $result;
    }
}