1 files changed, 113 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/DataValues/AllowsPatternValue.php b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/AllowsPatternValue.php
new file mode 100644
index 00000000..e1fb0054
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/AllowsPatternValue.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace SMW\DataValues;
+
+use SMW\Localizer;
+use SMW\Message;
+
+/**
+ * To support regular expressions in connection with the `Allows pattern`
+ * property.
+ *
+ * @license GNU GPL v2+
+ * @since 2.4
+ *
+ * @author mwjames
+ */
+class AllowsPatternValue extends StringValue {
+
+	/**
+	 * DV identifier
+	 */
+	const TYPE_ID = '__pvap';
+
+	/**
+	 * Fixed Mediawiki page
+	 */
+	const REFERENCE_PAGE_ID = 'Smw_allows_pattern';
+
+	/**
+	 * @param string $typeid
+	 */
+	public function __construct( $typeid = '' ) {
+		parent::__construct( self::TYPE_ID );
+	}
+
+	/**
+	 * @see DataValue::parseUserValue
+	 *
+	 * @param string $value
+	 */
+	protected function parseUserValue( $value ) {
+
+		if ( $value === '' ) {
+			$this->addErrorMsg( 'smw_emptystring' );
+		}
+
+		if ( ( $this->getOption( 'smwgDVFeatures' ) & SMW_DV_PVAP ) == 0 && $value !== '' ) {
+			$this->addErrorMsg( [ 'smw-datavalue-feature-not-supported', 'Allows pattern (SMW_DV_PVAP)' ] );
+		}
+
+		$allowsPatternValueParser = $this->dataValueServiceFactory->getValueParser( $this );
+
+		$content = $allowsPatternValueParser->parse(
+			$value
+		);
+
+		if ( !$content ) {
+			$this->addErrorMsg( [ 'smw-datavalue-allows-pattern-reference-unknown', $value ], Message::ESCAPED );
+		}
+
+		parent::parseUserValue( $value );
+	}
+
+	/**
+	 * @see DataValue::getShortWikiText
+	 *
+	 * @param string $value
+	 */
+	public function getShortWikiText( $linker = null ) {
+
+		if ( !$this->isValid() ) {
+			return '';
+		}
+
+		$id = $this->getDataItem()->getString();
+
+		return '[['. Localizer::getInstance()->getNamespaceTextById( NS_MEDIAWIKI ) . ':' . self::REFERENCE_PAGE_ID . '|' . $id .']]';
+	}
+
+	/**
+	 * @see DataValue::getLongHtmlText
+	 *
+	 * @param string $value
+	 */
+	public function getLongHtmlText( $linker = null ) {
+		return $this->getShortHtmlText( $linker );
+	}
+
+	/**
+	 * @see DataValue::getShortHtmlText
+	 *
+	 * @param string $value
+	 */
+	public function getShortHtmlText( $linker = null ) {
+
+		if ( !$this->isValid() ) {
+			return '';
+		}
+
+		$id = $this->getDataItem()->getString();
+		$title = \Title::newFromText( self::REFERENCE_PAGE_ID, NS_MEDIAWIKI );
+
+		return \Html::rawElement(
+			'a',
+			[
+				'href'   => $title->getLocalUrl(),
+				'target' => '_blank'
+			],
+			$id
+		);
+	}
+
+}