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<?php
/**
* @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 = [];
$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->addErrorMsg( [ 'smw_wrong_namespace', $propertyNamespace ] );
}
}
$propertyName = smwfNormalTitleText( $propertyName );
try {
$diProperty = SMW\DIProperty::newFromUserLabel( $propertyName );
} catch ( SMWDataItemException $e ) {
$diProperty = new SMW\DIProperty( 'Error' );
$this->addErrorMsg( [ 'smw_noproperty', $propertyName ] );
}
$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 ) {
return false;
}
$this->m_dataitem = $dataItem;
$this->m_diProperties = [];
foreach ( explode( ';', $dataItem->getString() ) as $propertyKey ) {
$property = null;
try {
$property = new SMW\DIProperty( $propertyKey );
} catch ( SMWDataItemException $e ) {
$property = new SMW\DIProperty( 'Error' );
$this->addErrorMsg( [ 'smw-datavalue-propertylist-invalid-property-key', $dataItem->getString(), $propertyKey ] );
}
if ( $property instanceof SMWDIProperty ) {
// Find a possible redirect
$this->m_diProperties[] = $property->getRedirectTarget();
}
}
$this->m_caption = false;
return true;
}
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()->newDataValueByItem( $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();
}
}
}
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