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<?php |
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/** |
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* Class for handling concept property values. |
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*/ |
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class ConceptPropertyValueLiteral extends VocabularyDataObject |
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{ |
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/** the literal object for the property value */ |
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private $literal; |
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/** property type */ |
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private $type; |
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/** content language */ |
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private $clang; |
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public function __construct($model, $vocab, $resource, $literal, $prop, $clang = '') |
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{ |
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parent::__construct($model, $vocab, $resource); |
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$this->literal = $literal; |
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$this->type = $prop; |
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$this->clang = $clang; |
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} |
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public function __toString() |
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{ |
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if ($this->getLabel() === null) { |
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return ""; |
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} |
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return $this->getLabel(); |
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} |
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public function getLang() |
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{ |
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return $this->literal->getLang(); |
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} |
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/** |
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* A method for fetching a datatype. |
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*/ |
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public function getDatatype(): ?string |
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{ |
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$datatype = $this->literal->getDatatype(); |
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if ($datatype === null) { |
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return null; |
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} |
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$graph = $this->resource->getGraph(); |
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$dtLabel = $graph->resource($datatype)->label($this->clang); |
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return $dtLabel->getValue(); |
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} |
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public function getType() |
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{ |
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return $this->type; |
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} |
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public function getContainsHtml() { |
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return preg_match("/\/[a-z]*>/i", $this->literal->getValue()) != 0; |
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} |
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public function getLabel() |
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{ |
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// if the property is a date object converting it to a human readable representation. |
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if ($this->literal instanceof EasyRdf\Literal\Date) { |
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try { |
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$val = $this->literal->getValue(); |
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return Punic\Calendar::formatDate($val, 'short'); |
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} catch (Exception $e) { |
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trigger_error($e->getMessage(), E_USER_WARNING); |
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return (string) $this->literal; |
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} |
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} |
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return $this->literal->getValue(); |
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} |
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public function getUri() |
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{ |
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return null; |
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} |
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public function getNotation() |
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{ |
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return null; |
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} |
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public function hasXlProperties() |
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{ |
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$graph = $this->resource->getGraph(); |
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$resources = $graph->resourcesMatching('skosxl:literalForm', $this->literal); |
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return !empty($resources); |
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} |
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public function getXlProperties() |
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{ |
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$ret = array(); |
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$graph = $this->resource->getGraph(); |
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$resources = $graph->resourcesMatching('skosxl:literalForm', $this->literal); |
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foreach ($resources as $xlres) { |
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foreach ($xlres->properties() as $prop) { |
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foreach($graph->allLiterals($xlres, $prop) as $val) { |
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if ($prop !== 'rdf:type') { |
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$ret[$prop] = $val; |
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} |
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} |
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} |
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} |
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return $ret; |
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} |
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109
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} |
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NatLibFi /
Skosmos
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