/**
* Check if property is range restricted and, if so, whether the current value is allowed.
* Creates an error if the value is illegal.
*/
protected function checkAllowedValues()
{
if (!is_null($this->m_property)) {
$propertyDiWikiPage = $this->m_property->getDiWikiPage();
}
if (is_null($this->m_property) || is_null($propertyDiWikiPage) || !isset($this->m_dataitem)) {
return;
// no property known, or no data to check
}
$allowedvalues = \SMW\StoreFactory::getStore()->getPropertyValues($propertyDiWikiPage, new SMWDIProperty('_PVAL'));
if (count($allowedvalues) == 0) {
return;
}
$hash = $this->m_dataitem->getHash();
$testdv = DataValueFactory::getInstance()->newTypeIDValue($this->getTypeID());
$accept = false;
$valuestring = '';
foreach ($allowedvalues as $di) {
if ($di instanceof SMWDIBlob) {
$testdv->setUserValue($di->getString());
if ($hash === $testdv->getDataItem()->getHash()) {
$accept = true;
break;
} else {
if ($valuestring !== '') {
$valuestring .= ', ';
}
$valuestring .= $di->getString();
}
}
}
if (!$accept) {
$this->addError(wfMessage('smw_notinenum', $this->getWikiValue(), $valuestring)->inContentLanguage()->text());
}
}
/**
* Create an SMWExpElement for some internal resource, given by an
* SMWDIProperty object.
* This code is only applied to user-defined properties, since the
* code for special properties in
* SMWExporter::getSpecialPropertyResource() may require information
* about the namespace in which some special property is used.
*
* @param $diProperty SMWDIProperty
* @param $helperProperty boolean determines if an auxiliary property resource to store a helper value (see SMWExporter::getDataItemHelperExpElement()) should be generated
* @return SMWExpResource
*/
public static function getResourceElementForProperty(SMWDIProperty $diProperty, $helperProperty = false)
{
$diWikiPage = $diProperty->getDiWikiPage();
if (is_null($diWikiPage)) {
throw new Exception('SMWExporter::getResourceElementForProperty() can only be used for non-inverse, user-defined properties.');
} elseif ($helperProperty) {
return self::getResourceElementForWikiPage($diWikiPage, 'aux');
} else {
return self::getResourceElementForWikiPage($diWikiPage);
}
}
/**
* Return a wiki page value that can be used for displaying this
* property, or null if no such wiki page exists (for predefined
* properties without any label).
* @return SMWWikiPageValue or null
*/
public function getWikiPageValue()
{
if (!isset($this->m_wikipage)) {
$diWikiPage = $this->m_dataitem->getDiWikiPage();
// A page representation for an inverse property is not possible
// therefore construct its non-inverse representation (label/caption
// remains and will show with an inverse indicator)
if ($diWikiPage === null && $this->m_dataitem->isInverse()) {
$property = new SMWDIProperty($this->m_dataitem->getKey());
$diWikiPage = $property->getDiWikiPage();
}
if ($diWikiPage !== null) {
$this->m_wikipage = \SMW\DataValueFactory::getInstance()->newDataItemValue($diWikiPage, null, $this->m_caption);
$this->m_wikipage->setOutputFormat($this->m_outformat);
$this->addError($this->m_wikipage->getErrors());
} else {
// should rarely happen ($value is only changed if the input $value really was a label for a predefined prop)
$this->m_wikipage = null;
}
}
return $this->m_wikipage;
}
/**
* @see SMWDataItemHandler::dataItemFromDBKeys()
* @since 1.8
* @param array|string $dbkeys expecting array here
* @throws SMWDataItemException
* @return SMWDataItem
*/
public function dataItemFromDBKeys($dbkeys)
{
if (is_array($dbkeys) && count($dbkeys) == 5) {
$namespace = intval($dbkeys[1]);
if ($namespace == SMW_NS_PROPERTY && $dbkeys[0] != '' && $dbkeys[0][0] == '_' && $dbkeys[2] == '') {
// Correctly interpret internal property keys
$property = new SMWDIProperty($dbkeys[0]);
$wikipage = $property->getDiWikiPage($dbkeys[4]);
if (!is_null($wikipage)) {
return $wikipage;
}
} else {
return $this->newDiWikiPage($dbkeys);
}
}
throw new SMWDataItemException('Failed to create data item from DB keys.');
}
/**
* Produce a formatted string representation for showing a property in
* the list of unused properties.
*
* @since 1.8
*
* @param SMWDIProperty $property
* @return string
*/
protected function formatPropertyItem(SMWDIProperty $property)
{
$linker = smwfGetLinker();
$errors = array();
if ($property->isUserDefined()) {
$proplink = $linker->link($property->getDiWikiPage()->getTitle(), $property->getLabel());
$types = smwfGetStore()->getPropertyValues($property->getDiWikiPage(), new SMWDIProperty('_TYPE'));
if (count($types) >= 1) {
$typeDataValue = SMWDataValueFactory::newDataItemValue(current($types), new SMWDIProperty('_TYPE'));
} else {
$typeDataValue = SMWTypesValue::newFromTypeId('_wpg');
$errors[] = wfMessage('smw_propertylackstype', $typeDataValue->getLongHTMLText())->text();
}
$typeString = $typeDataValue->getLongHTMLText($linker);
} else {
$typeid = $property->findPropertyTypeID();
$typeDataValue = SMWTypesValue::newFromTypeId($typeid);
$typeString = $typeDataValue->getLongHTMLText($linker);
$propertyDataValue = SMWDataValueFactory::newDataItemValue($property, null);
$proplink = $propertyDataValue->getShortHtmlText($linker);
}
return wfMessage('smw_unusedproperty_template', $proplink, $typeString)->text() . ' ' . smwfEncodeMessages($errors);
}
/**
* Produce a formatted string representation for showing a property and
* its usage count in the list of used properties.
*
* @since 1.8
*
* @param SMWDIProperty $property
* @param integer $useCount
* @return string
*/
protected function formatPropertyItem(SMWDIProperty $property, $useCount)
{
global $wgLang;
$linker = smwfGetLinker();
$errors = array();
$diWikiPage = $property->getDiWikiPage();
$title = !is_null($diWikiPage) ? $diWikiPage->getTitle() : null;
if ($property->isUserDefined() && is_null($title)) {
// Show even messed up property names.
$typestring = '';
$proplink = $property->getLabel();
$errors[] = wfMessage('smw_notitle', $property->getLabel())->escaped();
} elseif ($property->isUserDefined()) {
if ($useCount <= 5) {
$errors[] = wfMessage('smw_propertyhardlyused')->escaped();
}
// User defined types default to Page
global $smwgPDefaultType;
$typeDataValue = SMWTypesValue::newFromTypeId($smwgPDefaultType);
$typestring = $typeDataValue->getLongHTMLText($linker);
$label = htmlspecialchars($property->getLabel());
if ($title->exists()) {
$typeProperty = new SMWDIProperty('_TYPE');
$types = smwfGetStore()->getPropertyValues($diWikiPage, $typeProperty);
if (count($types) >= 1) {
$typeDataValue = SMWDataValueFactory::newDataItemValue(current($types), $typeProperty);
$typestring = $typeDataValue->getLongHTMLText($linker);
} else {
$errors[] = wfMessage('smw_propertylackstype')->rawParams($typestring)->escaped();
}
$proplink = $linker->link($title, $label);
} else {
$errors[] = wfMessage('smw_propertylackspage')->escaped();
$proplink = $linker->link($title, $label, array(), array('action' => 'view'));
}
} else {
// predefined property
$typeid = $property->findPropertyTypeID();
$typeDataValue = SMWTypesValue::newFromTypeId($typeid);
$typestring = $typeDataValue->getLongHTMLText($linker);
$propertyDataValue = SMWDataValueFactory::newDataItemValue($property, null);
$proplink = $propertyDataValue->getShortHtmlText($linker);
}
$warnings = smwfEncodeMessages($errors, 'warning', '', false);
$useCount = $wgLang->formatNum($useCount);
if ($typestring === '') {
// Builtins have no type
// @todo Should use numParams for $useCount?
return wfMessage('smw_property_template_notype')->rawParams($proplink)->params($useCount)->text() . ' ' . $warnings;
} else {
// @todo Should use numParams for $useCount?
return wfMessage('smw_property_template')->rawParams($proplink, $typestring)->params($useCount)->escaped() . ' ' . $warnings;
}
}
