1 files changed, 72 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/PropertyDescriptionValueResourceBuilder.php b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/PropertyDescriptionValueResourceBuilder.php
new file mode 100644
index 00000000..a99c77b6
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/PropertyDescriptionValueResourceBuilder.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace SMW\Exporter\ResourceBuilders;
+
+use SMW\DataValueFactory;
+use SMW\DIProperty;
+use SMWDataItem as DataItem;
+use SMWExpData as ExpData;
+use SMWExpLiteral as ExpLiteral;
+
+/**
+ * @private
+ *
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author mwjames
+ */
+class PropertyDescriptionValueResourceBuilder extends PropertyValueResourceBuilder {
+
+	/**
+	 * @since 2.5
+	 *
+	 * {@inheritDoc}
+	 */
+	public function isResourceBuilderFor( DIProperty $property ) {
+		return $property->getKey() === '_PDESC';
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * {@inheritDoc}
+	 */
+	public function addResourceValue( ExpData $expData, DIProperty $property, DataItem $dataItem ) {
+
+		parent::addResourceValue( $expData, $property, $dataItem );
+
+		$dataValue = DataValueFactory::getInstance()->newDataValueByItem(
+			$dataItem,
+			$property
+		);
+
+		$list = $dataValue->toArray();
+
+		if ( !isset( $list['_TEXT'] ) || !isset( $list['_LCODE'] ) ) {
+			return;
+		}
+
+		// Ussing `skos:scopeNote` instead of `skos:definition` since we can not
+		// ensure that the description given by a user is complete.
+		//
+		// "skos:scopeNote supplies some, possibly partial, information about the
+		// intended meaning of a concept ..."
+		//
+		// "skos:definition supplies a complete explanation of the intended
+		// meaning of a concept."
+		//
+		// According to https://www.w3.org/TR/2009/NOTE-skos-primer-20090818/#secdocumentation
+
+		$expData->addPropertyObjectValue(
+			$this->exporter->getSpecialNsResource( 'skos', 'scopeNote' ),
+			new ExpLiteral(
+				(string)$list['_TEXT'],
+				'http://www.w3.org/2001/XMLSchema#string',
+				(string)$list['_LCODE'],
+				$dataItem
+			)
+		);
+	}
+
+}