public function __construct(Erfurt_Sparql_Query2_IriRef $iri, $withChilds = false)
{
$this->iri = $iri;
if ($withChilds) {
// TODO what the heck???
$owApp = OntoWiki::getInstance();
$store = $owApp->erfurt->getStore();
$graph = $owApp->selectedModel;
$types = array_keys($store->getTransitiveClosure($graph->getModelIri(), EF_RDFS_SUBCLASSOF, array($iri->getIri()), true));
foreach ($types as $type) {
$this->subclasses[] = new Erfurt_Sparql_Query2_IriRef($type);
}
}
}
/**
*
* @param string $type the uri of the class
* @param string $id
* @param array $options
*
* @return int id
*/
public function addTypeFilter($type, $id = null, $option = array())
{
if ($id == null) {
$id = 'type' . count($this->_filter);
} else {
if (isset($this->_filter[$id])) {
$this->removeFilter($id);
}
}
//shortcut navigation - only a rdfs class given
$options['mode'] = 'instances';
$options['type'] = $type;
$options['memberPredicate'] = EF_RDF_TYPE;
$options['withChilds'] = isset($option['withChilds']) ? $option['withChilds'] : true;
$options['hierarchyUp'] = EF_RDFS_SUBCLASSOF;
$options['hierarchyIsInverse'] = true;
//$options['hierarchyDown'] = null;
$options['direction'] = 1;
// down the tree
$memberPredicate = $options['memberPredicate'];
if (is_string($memberPredicate)) {
$memberPredicate = new Erfurt_Sparql_Query2_IriRef($memberPredicate);
}
if (!$memberPredicate instanceof Erfurt_Sparql_Query2_Verb) {
throw new RuntimeException('Option "member_predicate" passed to Ontowiki_Model_Instances ' . 'must be an instance of Erfurt_Sparql_Query2_IriRef ' . 'or string instance of ' . typeHelper($memberPredicate) . ' given');
}
$type = new Erfurt_Sparql_Query2_IriRef($options['type']);
$subClasses = array();
if ($options['withChilds']) {
$subClasses = array_keys($this->_store->getTransitiveClosure($this->_graph, $options['hierarchyUp'], array($type->getIri()), $options['hierarchyIsInverse']));
} else {
if (isset($options['subtypes'])) {
//dont query, take the given. maybe the new navigation can use this
$subClasses = $options['subtypes'];
} else {
$subClasses = array();
}
}
if (count($subClasses) > 1) {
// there are subclasses. "1" because the class itself is somehow included in the subclasses...
$typeVar = new Erfurt_Sparql_Query2_Var($type);
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $memberPredicate, $typeVar);
$or = new Erfurt_Sparql_Query2_ConditionalOrExpression();
foreach ($subClasses as $subclass) {
$or->addElement(new Erfurt_Sparql_Query2_Equals($typeVar, new Erfurt_Sparql_Query2_IriRef($subclass)));
}
$filterObj = $this->_resourceQuery->addFilter($or);
} else {
// no subclasses
$triple = $this->_resourceQuery->addTriple($this->_resourceVar, $memberPredicate, new Erfurt_Sparql_Query2_IriRef($type->getIri()));
}
//save
$this->_filter[$id] = array('id' => $id, 'mode' => 'rdfsclass', 'rdfsclass' => $options['type'], 'withChilds' => $options['withChilds'], 'objects' => array($triple, isset($filterObj) ? $filterObj : null));
//these filters bring there own triple
$this->removeAllTriple();
$this->invalidate();
return $id;
}
/**
* setBase
* @param Erfurt_Sparql_Query2_IriRef $base
* @return Erfurt_Sparql_Query2 $this
*/
public function setBase(Erfurt_Sparql_Query2_IriRef $base)
{
if ($base->isPrefixed()) {
throw new RuntimeException('Trying to add base with a prefix');
}
$this->base = $base;
return $this;
//for chaining
}
