sequence.php

См. документацию.

<?php
 
namespace Bitrix\Iblock\BizprocType;
 
use Bitrix\Bizproc\FieldType;
use Bitrix\Main\Loader;
 
if (Loader::requireModule("bizproc"))
{
    class Sequence extends UserTypeProperty
    {
        public static function getType()
        {
            return FieldType::INT;
        }

        public static function renderControlSingle(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
        {
            return self::renderControl($fieldType, $field, $value, $allowSelection, $renderMode);
        }

        public static function renderControlMultiple(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
        {
            $typeValue = [];
            if (!is_array($value) || is_array($value) && \CBPHelper::isAssociativeArray($value))
            {
                $value = [$value];
            }
 
            foreach ($value as $v)
            {
                if (!\CBPActivity::isExpression($v))
                {
                    $typeValue[] = $v;
                }
            }
 
            $controls = [];
            foreach ($typeValue as $k => $v)
            {
                $singleField = $field;
                $singleField["Index"] = $k;
                $controls[] = self::renderControlSingle($fieldType, $singleField, $v, $allowSelection, $renderMode);
            }
 
            return static::wrapCloneableControls($controls, static::generateControlName($field));
        }

        protected static function renderControl(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
        {
            $name = static::generateControlName($field);
            $controlId = static::generateControlId($field);
            $className = static::generateControlClassName($fieldType, $field);
 
            $options = $fieldType->getOptions();
 
            $iblockId = self::getIblockId($fieldType);
            $propertyId = 0;
            $queryObject = \CIBlockProperty::getByID(mb_substr($field["Field"], mb_strlen("PROPERTY_")), $iblockId);
            if ($property = $queryObject->fetch())
            {
                $propertyId = $property["ID"];
            }
 
            if ($value)
            {
                $value = (int) $value;
            }
            else
            {
                $sequence = new \CIBlockSequence($iblockId, $propertyId);
                $value = $sequence->getCurrent();
            }
 
            $readonly = ((isset($options["write"]) && $options["write"] == "Y") ? "" : "readonly");
 
            return '<input '.htmlspecialcharsbx($readonly).' type="text" class="'.
                htmlspecialcharsbx($className).'" size="40" id="'.htmlspecialcharsbx($controlId).'" name="'
                .htmlspecialcharsbx($name).'" value="'.htmlspecialcharsbx((string) $value).'"/>';
        }
 
        private static function getIblockId(FieldType $fieldType)
        {
            $documentType = $fieldType->getDocumentType();
            $type = explode('_', $documentType[2]);
            return intval($type[1]);
        }
    }
}