1 files changed, 75 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/ImportFromPropertyValueResourceBuilder.php b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/ImportFromPropertyValueResourceBuilder.php
new file mode 100644
index 00000000..bacc7c81
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/ImportFromPropertyValueResourceBuilder.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace SMW\Exporter\ResourceBuilders;
+
+use SMW\DataValueFactory;
+use SMW\DIProperty;
+use SMWDataItem as DataItem;
+use SMWDIBlob as DIBlob;
+use SMWExpData as ExpData;
+use SMWImportValue as ImportValue;
+
+/**
+ * @private
+ *
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author mwjames
+ */
+class ImportFromPropertyValueResourceBuilder extends PredefinedPropertyValueResourceBuilder {
+
+	/**
+	 * @since 2.5
+	 *
+	 * {@inheritDoc}
+	 */
+	public function isResourceBuilderFor( DIProperty $property ) {
+		return $property->getKey() === '_IMPO';
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * {@inheritDoc}
+	 */
+	public function addResourceValue( ExpData $expData, DIProperty $property, DataItem $dataItem ) {
+
+		$diSubject = $expData->getSubject()->getDataItem();
+
+		if ( $diSubject === null ) {
+			return;
+		}
+
+		$expNsResource = $this->exporter->getSpecialPropertyResource(
+			$property->getKey(),
+			$diSubject->getNamespace()
+		);
+
+
+		if ( $expNsResource === null ) {
+			return;
+		}
+
+		$dataValue = DataValueFactory::getInstance()->newDataValueByItem(
+			$dataItem,
+			$property
+		);
+
+		if ( !$dataValue instanceof ImportValue ) {
+			return;
+		}
+
+		$expData->addPropertyObjectValue(
+			$expNsResource,
+			$this->exporter->getDataItemExpElement( new DIBlob( $dataValue->getImportReference() ) )
+		);
+
+		$this->addResourceHelperValue(
+			$expData,
+			$property,
+			$dataItem
+		);
+	}
+
+}