Polymorphic type

sources/PropertyType/ValueType/Branch/ValueTypePolymorphic.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * @copyright   Copyright (C) 2010-2026 Combodo SAS
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+namespace Combodo\iTop\PropertyType\ValueType\Branch;
+
+use Combodo\iTop\DesignElement;
+use Combodo\iTop\Forms\Block\Base\PolymorphicFormBlock;
+use Combodo\iTop\PropertyType\PropertyTypeService;
+use Combodo\iTop\PropertyType\ValueType\ValueTypeFactory;
+
+class ValueTypePolymorphic extends AbstractBranchValueType
+{
+	public function GetFormBlockClass(): string
+	{
+		return PolymorphicFormBlock::class;
+	}
+
+	public function InitFromDomNode(DesignElement $oDomNode, ?AbstractBranchValueType $oParent = null): void
+	{
+		parent::InitFromDomNode($oDomNode, $oParent);
+	}
+
+	public function ToPHPFormBlock(array &$aPHPFragments = []): string
+	{
+		return "// ValueTypePolymorphic Block\n";
+	}
+
+	public function EncodeToDOMNode(mixed $normalizedValue, DesignElement $oDOMNode): void
+	{
+		$sType = $normalizedValue['type'];
+		$oDOMNode->setAttribute('xsi:type', $sType);
+
+		$oPropertyType = PropertyTypeService::GetInstance()->GetPropertyType($sType);
+
+		$aProperties =  $normalizedValue['properties'];
+		$oPropertyType->EncodeToDOMNode($aProperties, $oDOMNode);
+	}
+
+	public function DecodeFromDomNode(DesignElement $oDOMNode): mixed
+	{
+		$sType = $oDOMNode->getAttribute('xsi:type');
+		$oPropertyType = PropertyTypeService::GetInstance()->GetPropertyType($sType);
+
+		return [
+			'type' => $sType,
+			'properties' => $oPropertyType->DecodeFromDOMNode($oDOMNode),
+		];
+	}
+}