Add initial set of additional extensions

1 files changed, 134 insertions, 0 deletions

diff --git a/SemanticMediaWiki/includes/datavalues/SMW_DV_PropertyList.php b/SemanticMediaWiki/includes/datavalues/SMW_DV_PropertyList.php
new file mode 100644
index 00000000..afc03ab6
--- /dev/null
+++ b/SemanticMediaWiki/includes/datavalues/SMW_DV_PropertyList.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * @file
+ * @ingroup SMWDataValues
+ */
+
+/**
+ * This datavalue implements special processing suitable for defining the list
+ * of properties that is required for SMWRecordValue objects. The input is a
+ * plain semicolon-separated list of property names, optionally with the
+ * namespace prefix.
+ *
+ * @author Markus Krötzsch
+ * @ingroup SMWDataValues
+ */
+class SMWPropertyListValue extends SMWDataValue {
+	/**
+	 * List of properte data items that are stored.
+	 * @var array of SMWDIProperty
+	 */
+	protected $m_diProperties;
+
+	protected function parseUserValue( $value ) {
+		global $wgContLang;
+
+		$this->m_diProperties = array();
+		$stringValue = '';
+		$valueList = preg_split( '/[\s]*;[\s]*/u', trim( $value ) );
+		foreach ( $valueList as $propertyName ) {
+			$propertyNameParts = explode( ':', $propertyName, 2 );
+			if ( count( $propertyNameParts ) > 1 ) {
+				$namespace = smwfNormalTitleText( $propertyNameParts[0] );
+				$propertyName = $propertyNameParts[1];
+				$propertyNamespace = $wgContLang->getNsText( SMW_NS_PROPERTY );
+				if ( $namespace != $propertyNamespace ) {
+					$this->addError( wfMessage( 'smw_wrong_namespace', $propertyNamespace )->inContentLanguage()->text() );
+				}
+			}
+
+			$propertyName = smwfNormalTitleText( $propertyName );
+
+			try {
+				$diProperty = SMWDIProperty::newFromUserLabel( $propertyName );
+			} catch ( SMWDataItemException $e ) {
+				$diProperty = new SMWDIProperty( 'Error' );
+				$this->addError( wfMessage( 'smw_noproperty', $propertyName )->inContentLanguage()->text() );
+			}
+
+			$this->m_diProperties[] = $diProperty;
+			$stringValue .= ( $stringValue ? ';' : '' ) . $diProperty->getKey();
+		}
+
+		$this->m_dataitem = new SMWDIBlob( $stringValue );
+	}
+
+	/**
+	 * @see SMWDataValue::loadDataItem()
+	 *
+	 * @param $dataitem SMWDataItem
+	 *
+	 * @return boolean
+	 */
+	protected function loadDataItem( SMWDataItem $dataItem ) {
+		if ( $dataItem instanceof SMWDIBlob ) {
+			$this->m_dataitem = $dataItem;
+			$this->m_diProperties = array();
+
+			foreach ( explode( ';', $dataItem->getString() ) as $propertyKey ) {
+				try {
+					$this->m_diProperties[] = new SMWDIProperty( $propertyKey );
+				} catch ( SMWDataItemException $e ) {
+					$this->m_diProperties[] = new SMWDIProperty( 'Error' );
+					$this->addError( wfMessage( 'smw_parseerror' )->inContentLanguage()->text() );
+				}
+			}
+
+			$this->m_caption = false;
+
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	public function getShortWikiText( $linked = null ) {
+		return  ( $this->m_caption !== false ) ?  $this->m_caption : $this->makeOutputText( 2, $linked );
+	}
+
+	public function getShortHTMLText( $linker = null ) {
+		return ( $this->m_caption !== false ) ? $this->m_caption : $this->makeOutputText( 3, $linker );
+	}
+
+	public function getLongWikiText( $linked = null ) {
+		return $this->makeOutputText( 2, $linked );
+	}
+
+	public function getLongHTMLText( $linker = null ) {
+		return $this->makeOutputText( 3, $linker );
+	}
+
+	public function getWikiValue() {
+		return $this->makeOutputText( 4 );
+	}
+
+	public function getPropertyDataItems() {
+		return $this->m_diProperties;
+	}
+
+////// Internal helper functions
+
+	protected function makeOutputText( $type, $linker = null ) {
+		if ( !$this->isValid() ) {
+			return ( ( $type == 0 ) || ( $type == 1 ) ) ? '' : $this->getErrorText();
+		}
+		$result = '';
+		$sep = ( $type == 4 ) ? '; ' : ', ';
+		foreach ( $this->m_diProperties as $diProperty ) {
+			if ( $result !== '' ) $result .= $sep;
+			$propertyValue = \SMW\DataValueFactory::getInstance()->newDataItemValue( $diProperty, null );
+			$result .= $this->makeValueOutputText( $type, $propertyValue, $linker );
+		}
+		return $result;
+	}
+
+	protected function makeValueOutputText( $type, $propertyValue, $linker ) {
+		switch ( $type ) {
+			case 0: return $propertyValue->getShortWikiText( $linker );
+			case 1: return $propertyValue->getShortHTMLText( $linker );
+			case 2: return $propertyValue->getLongWikiText( $linker );
+			case 3: return $propertyValue->getLongHTMLText( $linker );
+			case 4: return $propertyValue->getWikiValue();
+		}
+	}
+}