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<?php |
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/** |
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* Vocabulary dataobjects provide access to the vocabularies on the SPARQL endpoint. |
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*/ |
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class Vocabulary extends DataObject implements Modifiable |
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{ |
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/** cached value of URI space */ |
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private $urispace = null; |
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private $config; |
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public function __construct($model, $resource) |
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{ |
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parent::__construct($model, $resource); |
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$this->config = new VocabularyConfig($model, $resource, $model->getConfig()->getGlobalPlugins()); |
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} |
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/** |
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* Returns the VocabularyConfig object |
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* @return VocabularyConfig |
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*/ |
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public function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Get the SPARQL endpoint URL for this vocabulary |
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* |
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* @return string endpoint URL |
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*/ |
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public function getEndpoint() |
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{ |
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$endpoint = $this->config->getSparqlEndpoint(); |
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if ($endpoint === null) { |
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$endpoint = $this->model->getConfig()->getDefaultEndpoint(); |
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} |
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return $endpoint; |
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} |
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/** |
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* Get the SPARQL graph URI for this vocabulary |
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* |
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* @return string|null graph URI |
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*/ |
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public function getGraph() |
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{ |
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return $this->config->getSparqlGraph(); |
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} |
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/** |
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* Get the SPARQL implementation for this vocabulary |
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* |
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* @return GenericSparql SPARQL object |
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*/ |
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public function getSparql() |
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{ |
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$endpoint = $this->getEndpoint(); |
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$graph = $this->getGraph(); |
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$dialect = $this->config->getSparqlDialect() ?? $this->model->getConfig()->getDefaultSparqlDialect(); |
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return $this->model->getSparqlImplementation($dialect, $endpoint, $graph); |
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} |
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/** |
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* Get the URI space of concepts in this vocabulary. |
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* |
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* @return string full URI of concept |
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*/ |
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public function getUriSpace() |
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{ |
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if ($this->urispace === null) { // initialize cache |
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$urispace = $this->resource->getLiteral('void:uriSpace'); |
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if ($urispace) { |
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$this->urispace = $urispace->getValue(); |
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} |
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} |
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return $this->urispace; |
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} |
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/** |
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* Return true if the URI is within the URI space of this vocabulary. |
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* |
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* @param string full URI of concept |
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* @return bool true if URI is within URI namespace, false otherwise |
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*/ |
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public function containsURI($uri) |
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{ |
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return (strpos($uri, $this->getUriSpace()) === 0); |
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} |
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/** |
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* Get the full URI of a concept in a vocabulary. If the passed local |
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* name is already a full URI, return it unchanged. |
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* |
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* @param $lname string local name of concept |
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* @return string full URI of concept |
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*/ |
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public function getConceptURI($lname) |
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{ |
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if (strpos($lname, 'http') === 0) { |
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return $lname; |
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} |
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// already a full URI |
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return $this->getUriSpace() . $lname; |
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} |
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/** |
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* Asks the sparql implementation to make a label query for a uri. |
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* @param string $uri |
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* @param string $lang |
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*/ |
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public function getConceptLabel($uri, $lang) |
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{ |
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return $this->getSparql()->queryLabel($uri, $lang); |
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} |
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/** |
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* Asks the sparql implementation to make a label query for a uri. |
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* @param string $uri |
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* @param string $lang |
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* @return array array of altLabels |
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*/ |
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public function getAllConceptLabels($uri, $lang) |
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{ |
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return $this->getSparql()->queryAllConceptLabels($uri, $lang); |
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} |
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/** |
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* Get the localname of a concept in the vocabulary. If the URI is not |
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* in the URI space of this vocabulary, return the full URI. |
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* |
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* @param $uri string full URI of concept |
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* @return string local name of concept, or original full URI if the local name cannot be determined |
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*/ |
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public function getLocalName($uri) |
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{ |
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return str_replace($this->getUriSpace(), "", $uri); |
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} |
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/** |
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* Retrieves all the information about the Vocabulary |
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* from the SPARQL-endpoint. |
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*/ |
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public function getInfo($lang = null) |
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{ |
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$ret = array(); |
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if (!$lang) { |
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$lang = $this->getLang(); |
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} |
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// get metadata (literals only e.g. name) from vocabulary configuration file |
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foreach ($this->resource->properties() as $prop) { |
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foreach ($this->resource->allLiterals($prop, $lang) as $val) { |
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$ret[$prop][] = $val->getValue(); |
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} |
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} |
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try { |
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// also include ConceptScheme metadata from SPARQL endpoint |
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$defaultcs = $this->getDefaultConceptScheme(); |
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// query everything the endpoint knows about the ConceptScheme |
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$sparql = $this->getSparql(); |
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$result = $sparql->queryConceptScheme($defaultcs); |
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} catch (EasyRdf\Http\Exception | EasyRdf\Exception | Throwable $e) { |
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if ($this->model->getConfig()->getLogCaughtExceptions()) { |
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error_log('Caught exception: ' . $e->getMessage()); |
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} |
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return null; |
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} |
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$conceptscheme = $result->resource($defaultcs); |
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$this->order = array( |
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"dc:title", "dc11:title", "skos:prefLabel", "rdfs:label", |
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"dc:subject", "dc11:subject", |
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"dc:description", "dc11:description", |
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"foaf:homepage", |
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"dc:publisher", "dc11:publisher", |
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"dc:creator", "dc11:creator", |
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"dc:contributor", |
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"dc:license", |
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"dc:rights", "dc11:rights", |
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"dc:language", "dc11:language", |
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"owl:versionInfo", |
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"dc:source", "dc11:source", |
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"dc:relation", "dc11:relation", |
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"dc:created", |
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"dc:modified", |
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"dc:date", "dc11:date" |
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); |
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foreach ($conceptscheme->properties() as $prop) { |
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foreach ($conceptscheme->allLiterals($prop, $lang) as $val) { |
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$prop = (substr($prop, 0, 5) == 'dc11:') ? str_replace('dc11:', 'dc:', $prop) : $prop; |
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$ret[$prop][$val->getValue()] = $val; |
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} |
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if (!isset($ret[$prop]) || sizeof($ret[$prop]) == 0) { // not found with language tag |
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foreach ($conceptscheme->allLiterals($prop, null) as $val) { |
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$prop = (substr($prop, 0, 5) == 'dc11:') ? str_replace('dc11:', 'dc:', $prop) : $prop; |
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if ($val->getValue() instanceof DateTime) { |
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$val = Punic\Calendar::formatDate($val->getValue(), 'full', $lang) . ' ' . Punic\Calendar::format($val->getValue(), 'HH:mm:ss', $lang); |
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} |
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$ret[$prop][] = $val; |
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} |
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} |
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foreach ($conceptscheme->allResources($prop) as $val) { |
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$prop = (substr($prop, 0, 5) == 'dc11:') ? str_replace('dc11:', 'dc:', $prop) : $prop; |
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$exvocab = $this->model->guessVocabularyFromURI($val->getURI()); |
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$exlabel = $this->getExternalLabel($exvocab, $val->getURI(), $lang); |
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if (isset($exlabel)) { |
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$val->add('skosmos:vocab', $exvocab->getId()); |
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$val->add('skosmos:label', $exlabel); |
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} |
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$label = $val->label($lang) ? $val->label($lang)->getValue() : $val->getUri(); |
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$ret[$prop][$exlabel ? $exlabel->getValue() : $label] = $val; |
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} |
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if (isset($ret[$prop])) { |
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ksort($ret[$prop]); |
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} |
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} |
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if (isset($ret['owl:versionInfo'])) { // if version info available for vocabulary convert it to a more readable format |
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$ret['owl:versionInfo'][0] = $this->parseVersionInfo($ret['owl:versionInfo'][0]); |
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} |
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// remove duplicate values |
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foreach (array_keys($ret) as $prop) { |
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$ret[$prop] = array_unique($ret[$prop]); |
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} |
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$ret = $this->arbitrarySort($ret); |
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// filtering multiple labels |
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if (isset($ret['dc:title'])) { |
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unset($ret['dc11:title'], $ret['skos:prefLabel'], $ret['rdfs:label']); |
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} elseif (isset($ret['dc11:title'])) { |
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unset($ret['skos:prefLabel'], $ret['rdfs:label']); |
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} elseif (isset($ret['skos:prefLabel'])) { |
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unset($ret['rdfs:label']); |
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} |
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return $ret; |
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} |
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/** |
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* Return all concept schemes in the vocabulary. |
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* @return array Array with concept scheme URIs (string) as keys and labels (string) as values |
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*/ |
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public function getConceptSchemes($lang = '') |
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{ |
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if ($lang === '') { |
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$lang = $this->getLang(); |
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} |
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$conceptSchemes = null; |
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try { |
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$conceptSchemes = $this->getSparql()->queryConceptSchemes($lang); |
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} catch (EasyRdf\Http\Exception | EasyRdf\Exception | Throwable $e) { |
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if ($this->model->getConfig()->getLogCaughtExceptions()) { |
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error_log('Caught exception: ' . $e->getMessage()); |
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} |
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} |
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return $conceptSchemes; |
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} |
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/** |
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* Return the URI of the default concept scheme of this vocabulary. If the skosmos:mainConceptScheme property is set in the |
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* vocabulary configuration, that will be returned. Otherwise an arbitrary concept scheme will be returned. |
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* @return string concept scheme URI |
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*/ |
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271
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public function getDefaultConceptScheme() |
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{ |
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$conceptScheme = $this->config->getMainConceptSchemeURI(); |
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if ($conceptScheme) { |
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return $conceptScheme; |
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} |
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// mainConceptScheme not explicitly set, guess it |
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$conceptSchemes = $this->getConceptSchemes(); |
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$conceptSchemeURIs = array_keys($conceptSchemes); |
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// return the URI of the last concept scheme |
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return array_pop($conceptSchemeURIs); |
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283
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} |
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284
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285
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/** |
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286
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* Returns the main Concept Scheme of that Vocabulary, or null if not set. |
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* @param string $defaultConceptSchemeURI default concept scheme URI |
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* @return \EasyRdf\Graph|mixed |
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289
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*/ |
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290
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public function getConceptScheme(string $defaultConceptSchemeURI) |
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291
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{ |
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return $this->getSparql()->queryConceptScheme($defaultConceptSchemeURI); |
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} |
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294
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295
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/** |
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296
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* Return the top concepts of a concept scheme in the vocabulary. |
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297
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* @param string $conceptScheme URI of concept scheme whose top concepts to return. If not set, |
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298
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* the default concept scheme of the vocabulary will be used. |
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* @param string $lang preferred language for the concept labels, |
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300
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* @return array Array with concept URIs (string) as keys and labels (string) as values |
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301
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*/ |
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302
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303
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public function getTopConcepts($conceptScheme = null, $lang = '') |
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304
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{ |
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305
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if ($lang === '') { |
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306
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$lang = $this->getLang(); |
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307
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} |
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308
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$fallback = $this->config->getDefaultLanguage(); |
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309
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310
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if ($conceptScheme === null || $conceptScheme == '') { |
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311
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$conceptScheme = $this->getDefaultConceptScheme(); |
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} |
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314
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return $this->getSparql()->queryTopConcepts($conceptScheme, $lang, $fallback); |
|
315
|
|
|
} |
|
316
|
|
|
|
|
317
|
|
|
/** |
|
318
|
|
|
* Tries to parse version, date and time from sparql version information into a readable format. |
|
319
|
|
|
* @param string $version |
|
320
|
|
|
* @return string |
|
321
|
|
|
*/ |
|
322
|
|
|
private function parseVersionInfo($version) |
|
323
|
|
|
{ |
|
324
|
|
|
$parts = explode(' ', $version); |
|
325
|
|
|
if ($parts[0] != '$Id:') { |
|
326
|
|
|
return $version; |
|
327
|
|
|
} |
|
328
|
|
|
// don't know how to parse |
|
329
|
|
|
$rev = $parts[2]; |
|
330
|
|
|
$datestr = $parts[3] . ' ' . $parts[4]; |
|
331
|
|
|
|
|
332
|
|
|
return "$datestr (r$rev)"; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
/** |
|
336
|
|
|
* Counts the statistics of the vocabulary. |
|
337
|
|
|
* @return Array containing the label counts |
|
338
|
|
|
* @param string $array the uri of the concept array class, eg. isothes:ThesaurusArray |
|
339
|
|
|
* @param string $group the uri of the concept group class, eg. isothes:ConceptGroup |
|
340
|
|
|
*/ |
|
341
|
|
|
public function getStatistics($lang = '', $array = null, $group = null) |
|
342
|
|
|
{ |
|
343
|
|
|
$sparql = $this->getSparql(); |
|
344
|
|
|
// find the number of concepts |
|
345
|
|
|
return $sparql->countConcepts($lang, $array, $group); |
|
346
|
|
|
} |
|
347
|
|
|
|
|
348
|
|
|
/** |
|
349
|
|
|
* Counts the statistics of the vocabulary. |
|
350
|
|
|
* @return array of the concept counts in different languages |
|
351
|
|
|
*/ |
|
352
|
|
|
public function getLabelStatistics() |
|
353
|
|
|
{ |
|
354
|
|
|
$sparql = $this->getSparql(); |
|
355
|
|
|
$ret = array(); |
|
356
|
|
|
// count the number of different types of concepts in all languages |
|
357
|
|
|
$ret['terms'] = $sparql->countLangConcepts($this->config->getLanguages(), $this->config->getIndexClasses()); |
|
358
|
|
|
|
|
359
|
|
|
return $ret; |
|
360
|
|
|
} |
|
361
|
|
|
|
|
362
|
|
|
/** |
|
363
|
|
|
* Gets the parent concepts of a concept and child concepts for all of those. |
|
364
|
|
|
* @param string $uri |
|
365
|
|
|
* @param string $lang language identifier. |
|
366
|
|
|
*/ |
|
367
|
|
|
public function getConceptHierarchy($uri, $lang) |
|
368
|
|
|
{ |
|
369
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
370
|
|
|
$fallback = count($this->config->getLanguageOrder($lang)) > 1 ? $this->config->getLanguageOrder($lang)[1] : $this->config->getDefaultLanguage(); |
|
371
|
|
|
$props = $this->config->getHierarchyProperty(); |
|
372
|
|
|
return $this->getSparql()->queryParentList($uri, $lang, $fallback, $props); |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
/** |
|
376
|
|
|
* Gets the child relations of a concept and whether these children have more children. |
|
377
|
|
|
* @param string $uri |
|
378
|
|
|
*/ |
|
379
|
|
|
public function getConceptChildren($uri, $lang) |
|
380
|
|
|
{ |
|
381
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
382
|
|
|
$fallback = count($this->config->getLanguageOrder($lang)) > 1 ? $this->config->getLanguageOrder($lang)[1] : $this->config->getDefaultLanguage(); |
|
383
|
|
|
$props = $this->config->getHierarchyProperty(); |
|
384
|
|
|
return $this->getSparql()->queryChildren($uri, $lang, $fallback, $props); |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
/** |
|
388
|
|
|
* Gets the skos:narrower relations of a concept. |
|
389
|
|
|
* @param string $uri |
|
390
|
|
|
* @param string $lang language identifier. |
|
391
|
|
|
*/ |
|
392
|
|
|
public function getConceptNarrowers($uri, $lang) |
|
393
|
|
|
{ |
|
394
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
395
|
|
|
return $this->getSparql()->queryProperty($uri, 'skos:narrower', $lang); |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/** |
|
399
|
|
|
* Gets the skos:narrowerTransitive relations of a concept. |
|
400
|
|
|
* @param string $uri |
|
401
|
|
|
* @param integer $limit |
|
402
|
|
|
* @param string $lang language identifier. |
|
403
|
|
|
*/ |
|
404
|
|
|
public function getConceptTransitiveNarrowers($uri, $limit, $lang) |
|
405
|
|
|
{ |
|
406
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
407
|
|
|
return $this->getSparql()->queryTransitiveProperty($uri, array('skos:narrower'), $lang, $limit); |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
/** |
|
411
|
|
|
* Gets the skos:broader relations of a concept. |
|
412
|
|
|
* @param string $uri |
|
413
|
|
|
* @param string $lang language identifier. |
|
414
|
|
|
*/ |
|
415
|
|
|
public function getConceptBroaders($uri, $lang) |
|
416
|
|
|
{ |
|
417
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
418
|
|
|
return $this->getSparql()->queryProperty($uri, 'skos:broader', $lang); |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
/** |
|
422
|
|
|
* Gets the skos:broaderTransitive relations of a concept. |
|
423
|
|
|
* @param string $uri |
|
424
|
|
|
* @param integer $limit |
|
425
|
|
|
* @param boolean $any set to true if you want to have a label even in case of a correct language one missing. |
|
426
|
|
|
* @param string $lang language identifier. |
|
427
|
|
|
*/ |
|
428
|
|
|
public function getConceptTransitiveBroaders($uri, $limit, $any, $lang) |
|
429
|
|
|
{ |
|
430
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
431
|
|
|
$fallback = $this->config->getDefaultLanguage(); |
|
432
|
|
|
return $this->getSparql()->queryTransitiveProperty($uri, array('skos:broader'), $lang, $limit, $any, $fallback); |
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
/** |
|
436
|
|
|
* Gets all the skos:related concepts of a concept. |
|
437
|
|
|
* @param string $uri |
|
438
|
|
|
* @param string $lang language identifier. |
|
439
|
|
|
*/ |
|
440
|
|
|
public function getConceptRelateds($uri, $lang) |
|
441
|
|
|
{ |
|
442
|
|
|
$lang = $lang ? $lang : $this->getLang(); |
|
443
|
|
|
return $this->getSparql()->queryProperty($uri, 'skos:related', $lang); |
|
444
|
|
|
} |
|
445
|
|
|
|
|
446
|
|
|
/** |
|
447
|
|
|
* Get all information about a single concept. |
|
448
|
|
|
* @param string $uri full URI of the concept |
|
449
|
|
|
* @param string $clang content language |
|
450
|
|
|
* @return Concept |
|
451
|
|
|
*/ |
|
452
|
|
|
public function getConceptInfo(string $uri, string $clang): Concept |
|
453
|
|
|
{ |
|
454
|
|
|
$sparql = $this->getSparql(); |
|
455
|
|
|
$conceptInfo = null; |
|
|
|
|
|
|
456
|
|
|
try { |
|
457
|
|
|
$conceptInfo = $sparql->queryConceptInfo([$uri], $this->config->getArrayClassURI(), array($this), $clang); |
|
458
|
|
|
} catch (EasyRdf\Http\Exception | EasyRdf\Exception | Throwable $e) { |
|
459
|
|
|
if ($this->model->getConfig()->getLogCaughtExceptions()) { |
|
460
|
|
|
error_log('Caught exception: ' . $e->getMessage()); |
|
461
|
|
|
} |
|
462
|
|
|
} |
|
463
|
|
|
return $conceptInfo[0]; |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
/** |
|
467
|
|
|
* Lists the different concept groups available in the vocabulary. |
|
468
|
|
|
* @param string $clang content language parameter |
|
469
|
|
|
* @return array |
|
470
|
|
|
*/ |
|
471
|
|
|
public function listConceptGroups($clang = null) |
|
472
|
|
|
{ |
|
473
|
|
|
if ($clang === null || $clang == '') { |
|
474
|
|
|
$clang = $this->getLang(); |
|
475
|
|
|
} |
|
476
|
|
|
|
|
477
|
|
|
$ret = array(); |
|
478
|
|
|
$gclass = $this->config->getGroupClassURI(); |
|
479
|
|
|
if ($gclass === null) { |
|
|
|
|
|
|
480
|
|
|
return $ret; |
|
481
|
|
|
} |
|
482
|
|
|
// no group class defined, so empty result |
|
483
|
|
|
$groups = $this->getSparql()->listConceptGroups($gclass, $clang); |
|
484
|
|
|
foreach ($groups as $uri => $label) { |
|
485
|
|
|
$ret[$uri] = $label; |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
|
|
return $ret; |
|
489
|
|
|
} |
|
490
|
|
|
|
|
491
|
|
|
/** |
|
492
|
|
|
* Lists the concepts available in the concept group. |
|
493
|
|
|
* @param $clname |
|
494
|
|
|
* @return array |
|
495
|
|
|
*/ |
|
496
|
|
|
public function listConceptGroupContents($glname, $clang) |
|
497
|
|
|
{ |
|
498
|
|
|
if (!$clang) { |
|
499
|
|
|
$clang = $this->getLang(); |
|
500
|
|
|
} |
|
501
|
|
|
|
|
502
|
|
|
$ret = array(); |
|
503
|
|
|
$gclass = $this->config->getGroupClassURI(); |
|
504
|
|
|
if ($gclass === null) { |
|
|
|
|
|
|
505
|
|
|
return $ret; |
|
506
|
|
|
} |
|
507
|
|
|
// no group class defined, so empty result |
|
508
|
|
|
$group = $this->getConceptURI($glname); |
|
509
|
|
|
$contents = $this->getSparql()->listConceptGroupContents($gclass, $group, $clang, $this->config->getShowDeprecated()); |
|
510
|
|
|
foreach ($contents as $uri => $label) { |
|
511
|
|
|
$ret[$uri] = $label; |
|
512
|
|
|
} |
|
513
|
|
|
|
|
514
|
|
|
return $ret; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
|
|
/** |
|
518
|
|
|
* Returns the letters of the alphabet which have been used in this vocabulary. |
|
519
|
|
|
* The returned letters may also include specials such as '0-9' (digits) and '!*' (special characters). |
|
520
|
|
|
* @param $clang content language |
|
|
|
|
|
|
521
|
|
|
* @return array array of letters |
|
522
|
|
|
*/ |
|
523
|
|
|
public function getAlphabet($clang) |
|
524
|
|
|
{ |
|
525
|
|
|
$chars = $this->getSparql()->queryFirstCharacters($clang, $this->config->getIndexClasses()); |
|
526
|
|
|
$letters = array(); |
|
527
|
|
|
$digits = false; |
|
528
|
|
|
$specials = false; |
|
529
|
|
|
foreach ($chars as $char) { |
|
530
|
|
|
if (preg_match('/\p{L}/u', $char)) { |
|
531
|
|
|
$letters[] = $char; |
|
532
|
|
|
} elseif (preg_match('/\d/u', $char)) { |
|
533
|
|
|
$digits = true; |
|
534
|
|
|
} else { |
|
535
|
|
|
$specials = true; |
|
536
|
|
|
} |
|
537
|
|
|
} |
|
538
|
|
|
usort($letters, 'strcoll'); |
|
539
|
|
|
if ($specials) { |
|
540
|
|
|
$letters[] = '!*'; |
|
541
|
|
|
} |
|
542
|
|
|
|
|
543
|
|
|
if ($digits) { |
|
544
|
|
|
$letters[] = '0-9'; |
|
545
|
|
|
} |
|
546
|
|
|
|
|
547
|
|
|
return $letters; |
|
548
|
|
|
} |
|
549
|
|
|
|
|
550
|
|
|
/** |
|
551
|
|
|
* Searches for concepts with a label starting with the specified letter. |
|
552
|
|
|
* Also the special tokens '0-9' (digits), '!*' (special characters) and '*' |
|
553
|
|
|
* (everything) are supported. |
|
554
|
|
|
* @param $letter letter (or special token) to search for |
|
|
|
|
|
|
555
|
|
|
*/ |
|
556
|
|
|
public function searchConceptsAlphabetical($letter, $limit = null, $offset = null, $clang = null) |
|
557
|
|
|
{ |
|
558
|
|
|
return $this->getSparql()->queryConceptsAlphabetical($letter, $clang, $limit, $offset, $this->config->getIndexClasses(), $this->config->getShowDeprecated(), $this->config->getAlphabeticalListQualifier()); |
|
559
|
|
|
} |
|
560
|
|
|
|
|
561
|
|
|
/** |
|
562
|
|
|
* Makes a query for the transitive broaders of a concept and returns the concepts hierarchy processed for the view. |
|
563
|
|
|
* @param string $lang |
|
564
|
|
|
* @param string $uri |
|
565
|
|
|
*/ |
|
566
|
|
|
public function getBreadCrumbs($lang, $uri) |
|
567
|
|
|
{ |
|
568
|
|
|
$broaders = $this->getConceptTransitiveBroaders($uri, 1000, true, $lang); |
|
569
|
|
|
$origCrumbs = $this->getCrumbs($broaders, $uri); |
|
570
|
|
|
return $this->combineCrumbs($origCrumbs); |
|
571
|
|
|
} |
|
572
|
|
|
|
|
573
|
|
|
/** |
|
574
|
|
|
* Takes the crumbs as a parameter and combines the crumbs if the path they form is too long. |
|
575
|
|
|
* @return array |
|
576
|
|
|
*/ |
|
577
|
|
|
private function combineCrumbs($origCrumbs) |
|
578
|
|
|
{ |
|
579
|
|
|
$combined = array(); |
|
580
|
|
|
foreach ($origCrumbs as $pathKey => $path) { |
|
581
|
|
|
$firstToCombine = true; |
|
582
|
|
|
$combinedPath = array(); |
|
583
|
|
|
foreach ($path as $crumbKey => $crumb) { |
|
584
|
|
|
if ($crumb->getPrefLabel() === '...') { |
|
585
|
|
|
array_push($combinedPath, $crumb); |
|
586
|
|
|
if ($firstToCombine) { |
|
587
|
|
|
$firstToCombine = false; |
|
588
|
|
|
} else { |
|
589
|
|
|
unset($origCrumbs[$pathKey][$crumbKey]); |
|
590
|
|
|
} |
|
591
|
|
|
} |
|
592
|
|
|
} |
|
593
|
|
|
$combined[] = $combinedPath; |
|
594
|
|
|
} |
|
595
|
|
|
|
|
596
|
|
|
return array('combined' => $combined, 'breadcrumbs' => $origCrumbs); |
|
597
|
|
|
} |
|
598
|
|
|
|
|
599
|
|
|
/** |
|
600
|
|
|
* Recursive function for building the breadcrumb paths for the view. |
|
601
|
|
|
* @param array $bTresult contains the results of the broaderTransitive query. |
|
602
|
|
|
* @param string $uri |
|
603
|
|
|
* @param array $path |
|
604
|
|
|
*/ |
|
605
|
|
|
private function getCrumbs($bTresult, $uri, $path = null) |
|
606
|
|
|
{ |
|
607
|
|
|
$crumbs = array(); |
|
608
|
|
|
if (!isset($path)) { |
|
609
|
|
|
$path = array(); |
|
610
|
|
|
} |
|
611
|
|
|
|
|
612
|
|
|
// check that there is no cycle (issue #220) |
|
613
|
|
|
foreach ($path as $childcrumb) { |
|
614
|
|
|
if ($childcrumb->getUri() == $uri) { |
|
615
|
|
|
// found a cycle - short-circuit and stop |
|
616
|
|
|
return $crumbs; |
|
617
|
|
|
} |
|
618
|
|
|
} |
|
619
|
|
|
if (isset($bTresult[$uri]['direct'])) { |
|
620
|
|
|
foreach ($bTresult[$uri]['direct'] as $broaderUri) { |
|
621
|
|
|
$newpath = array_merge($path, array(new Breadcrumb($uri, $bTresult[$uri]['label']))); |
|
622
|
|
|
if ($uri !== $broaderUri) { |
|
623
|
|
|
$crumbs = array_merge($crumbs, $this->getCrumbs($bTresult, $broaderUri, $newpath)); |
|
624
|
|
|
} |
|
625
|
|
|
} |
|
626
|
|
|
} else { // we have reached the end of a path and we need to start a new row in the 'stack' |
|
627
|
|
|
if (isset($bTresult[$uri])) { |
|
628
|
|
|
$path = array_merge($path, array(new Breadcrumb($uri, $bTresult[$uri]['label']))); |
|
629
|
|
|
} |
|
630
|
|
|
|
|
631
|
|
|
$index = 1; |
|
632
|
|
|
$length = sizeof($path); |
|
633
|
|
|
$limit = $length - 5; |
|
634
|
|
|
foreach ($path as $crumb) { |
|
635
|
|
|
if ($length > 5 && $index > $length - $limit) { // displays 5 concepts closest to the concept. |
|
636
|
|
|
$crumb->hideLabel(); |
|
637
|
|
|
} |
|
638
|
|
|
$index++; |
|
639
|
|
|
} |
|
640
|
|
|
$crumbs[] = array_reverse($path); |
|
641
|
|
|
} |
|
642
|
|
|
return $crumbs; |
|
643
|
|
|
} |
|
644
|
|
|
|
|
645
|
|
|
/** |
|
646
|
|
|
* Verify that the requested language is supported by the vocabulary. If not, returns |
|
647
|
|
|
* the default language of the vocabulary. |
|
648
|
|
|
* @param string $lang language to check |
|
649
|
|
|
* @return string language tag that is supported by the vocabulary |
|
650
|
|
|
*/ |
|
651
|
|
|
|
|
652
|
|
|
public function verifyVocabularyLanguage($lang) |
|
653
|
|
|
{ |
|
654
|
|
|
return (in_array($lang, $this->config->getLanguages())) ? $lang : $this->config->getDefaultLanguage(); |
|
655
|
|
|
} |
|
656
|
|
|
|
|
657
|
|
|
/** |
|
658
|
|
|
* Returns a list of recently changed or entirely new concepts. |
|
659
|
|
|
* @param string $prop the property uri pointing to timestamps, eg. 'dc:modified' |
|
660
|
|
|
* @param string $clang content language for the labels |
|
661
|
|
|
* @param int $offset starting index offset |
|
662
|
|
|
* @param int $limit maximum number of concepts to return |
|
663
|
|
|
* @return Array |
|
664
|
|
|
*/ |
|
665
|
|
|
public function getChangeList($prop, $clang, $offset, $limit) |
|
666
|
|
|
{ |
|
667
|
|
|
$showDeprecated = $this->getConfig()->getShowDeprecatedChanges(); |
|
668
|
|
|
return $this->getSparql()->queryChangeList($prop, $clang, $offset, $limit, $showDeprecated); |
|
669
|
|
|
} |
|
670
|
|
|
|
|
671
|
|
|
public function getTitle($lang = null) |
|
672
|
|
|
{ |
|
673
|
|
|
return $this->config->getTitle($lang); |
|
674
|
|
|
} |
|
675
|
|
|
|
|
676
|
|
|
public function getShortName() |
|
677
|
|
|
{ |
|
678
|
|
|
return $this->config->getShortName(); |
|
679
|
|
|
} |
|
680
|
|
|
|
|
681
|
|
|
public function getId() |
|
682
|
|
|
{ |
|
683
|
|
|
return $this->config->getId(); |
|
684
|
|
|
} |
|
685
|
|
|
|
|
686
|
|
|
public function getModifiedDate() |
|
687
|
|
|
{ |
|
688
|
|
|
$modifiedDate = null; |
|
689
|
|
|
|
|
690
|
|
|
$conceptSchemeURI = $this->getDefaultConceptScheme(); |
|
691
|
|
|
if ($conceptSchemeURI) { |
|
692
|
|
|
$conceptSchemeGraph = $this->getConceptScheme($conceptSchemeURI); |
|
693
|
|
|
if (!$conceptSchemeGraph->isEmpty()) { |
|
694
|
|
|
$literal = $conceptSchemeGraph->getLiteral($conceptSchemeURI, "dc:modified"); |
|
695
|
|
|
if ($literal) { |
|
|
|
|
|
|
696
|
|
|
$modifiedDate = $literal->getValue(); |
|
697
|
|
|
} |
|
698
|
|
|
} |
|
699
|
|
|
} |
|
700
|
|
|
|
|
701
|
|
|
return $modifiedDate; |
|
|
|
|
|
|
702
|
|
|
} |
|
703
|
|
|
|
|
704
|
|
|
public function isUseModifiedDate() |
|
705
|
|
|
{ |
|
706
|
|
|
return $this->getConfig()->isUseModifiedDate(); |
|
707
|
|
|
} |
|
708
|
|
|
} |
|
709
|
|
|
|
NatLibFi /
Skosmos
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