1 files changed, 76 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/SortPropertyValueResourceBuilder.php b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/SortPropertyValueResourceBuilder.php
new file mode 100644
index 00000000..3a91d0fb
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Exporter/ResourceBuilders/SortPropertyValueResourceBuilder.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace SMW\Exporter\ResourceBuilders;
+
+use SMW\DIProperty;
+use SMW\MediaWiki\Collator;
+use SMWDataItem as DataItem;
+use SMWDIBlob as DIBlob;
+use SMWExpData as ExpData;
+use SMWExpLiteral as ExpLiteral;
+
+/**
+ * @private
+ *
+ * @license GNU GPL v2+
+ * @since 3.0
+ *
+ * @author mwjames
+ */
+class SortPropertyValueResourceBuilder extends PredefinedPropertyValueResourceBuilder {
+
+	/**
+	 * @var boolean
+	 */
+	private $enabledCollationField = false;
+
+	/**
+	 * @since 3.0
+	 *
+	 * {@inheritDoc}
+	 */
+	public function isResourceBuilderFor( DIProperty $property ) {
+		return $property->getKey() === '_SKEY';
+	}
+
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param boolean $enabledCollationField
+	 */
+	public function enabledCollationField( $enabledCollationField ) {
+		$this->enabledCollationField = (bool)$enabledCollationField;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * {@inheritDoc}
+	 */
+	public function addResourceValue( ExpData $expData, DIProperty $property, DataItem $dataItem ) {
+
+		if ( !$dataItem instanceof DIBlob ) {
+			$dataItem = new DIBlob( $dataItem->getSortKey() );
+		}
+
+		parent::addResourceValue( $expData, $property, $dataItem );
+
+		if ( $this->enabledCollationField === false ) {
+			return;
+		}
+
+		$sort = Collator::singleton()->armor(
+			Collator::singleton()->getSortKey( $dataItem->getSortKey() )
+		);
+
+		$expData->addPropertyObjectValue(
+			$this->exporter->getSpecialNsResource( 'swivt', 'sort' ),
+			new ExpLiteral(
+				$sort,
+				'http://www.w3.org/2001/XMLSchema#string'
+			)
+		);
+	}
+
+}