/**
* add a shown property, that is more complex.
* provide own triples, they will wrapped in an optional and a projection var will be added.
*
* @param array $triples
* @param Erfurt_Sparql_Query2_Var $var
* @param boolean $hidden
*
* @return OntoWiki_Model_Instances
*/
public function addShownPropertyCustom($triples, $var, $hidden = false)
{
//add
$optional = new Erfurt_Sparql_Query2_OptionalGraphPattern();
$optional->addElements($triples);
$this->_valueQuery->getWhere()->addElement($optional);
$this->_valueQuery->addProjectionVar($var);
//save
$this->_shownProperties['custom' . count($this->_shownProperties)] = array('uri' => null, 'name' => 'custom' . count($this->_shownProperties), 'inverse' => false, 'datatype' => null, 'varName' => $var->getName(), 'var' => $var, 'optionalpart' => $triples, 'filter' => array(), 'hidden' => $hidden);
$this->_valuesUptodate = false;
// getValues will not use the cache next time
$this->_resultsUptodate = false;
return $this;
}
