/**
* Returns if a certain change is present in the set of changes.
*
* @since 0.1
*
* @param SMWDIProperty $property
* @param SWLPropertyChange $change
*
* @return boolean
*/
public function hasChange(SMWDIProperty $property, SWLPropertyChange $change)
{
$has = false;
foreach ($this->changes->getPropertyChanges($property) as $propChange) {
if ($propChange->getSerialization() == $change->getSerialization()) {
$has = true;
break;
}
}
return $has;
}
/**
* Store a value for a given property identified by its text label
* (without namespace prefix).
*
* @param string $propertyName
* @param SWLPropertyChange $change
*/
public function addPropertyChange($propertyName, SWLPropertyChange $change)
{
$propertyKey = smwfNormalTitleDBKey($propertyName);
if (array_key_exists($propertyKey, $this->properties)) {
$property = $this->properties[$propertyKey];
} else {
if (self::$propertyPrefix == '') {
global $wgContLang;
self::$propertyPrefix = $wgContLang->getNsText(SMW_NS_PROPERTY) . ':';
}
// explicitly use prefix to cope with things like [[Property:User:Stupid::somevalue]]
$propertyDV = SMWPropertyValue::makeUserProperty(self::$propertyPrefix . $propertyName);
if (!$propertyDV->isValid()) {
// error, maybe illegal title text
return;
}
$property = $propertyDV->getDataItem();
}
$this->addPropertyObjectChange($property, $change);
}
