/**
* addShownPropertyHelper
*
* adds a triple <classVar> $predicate ?newPropertyVar
* and adds ?newPropertyVar as projectionvar
* and keep track of that
*
* @param Erfurt_Sparql_Query2 $query
* @param Erfurt_Sparql_Query2_Var $resVar
* @param Erfurt_Sparql_Query2_IriRef|string $predicate
* @param string|null $name
* @param bool $inverse
* @return array array('optional' => $optionalpart, 'var' => $var);
*/
public static function addShownPropertyHelper(Erfurt_Sparql_Query2 $query, Erfurt_Sparql_Query2_Var $resVar, $predicate, $name = null, $inverse = false)
{
if (is_string($predicate)) {
$predicate = new Erfurt_Sparql_Query2_IriRef($predicate);
}
if (!$predicate instanceof Erfurt_Sparql_Query2_IriRef) {
throw new RuntimeException('Argument 3 passed to Erfurt_Sparql_Query2_Abstraction_ClassNode::addShownPropertyHelper must be an instance of Erfurt_Sparql_Query2_IriRef, instance of ' . typeHelper($predicate) . ' given');
}
if (!is_string($name)) {
throw new RuntimeException('Argument 4 passed to Erfurt_Sparql_Query2_Abstraction_ClassNode::addShownPropertyHelper must be an instance of string, instance of ' . typeHelper($name) . ' given');
}
if (!is_bool($inverse)) {
throw new RuntimeException('Argument 5 passed to Erfurt_Sparql_Query2_Abstraction_ClassNode::addShownPropertyHelper must be an instance of bool, instance of ' . typeHelper($inverse) . ' given (' . $inverse . ')');
}
$optionalpart = new Erfurt_Sparql_Query2_OptionalGraphPattern();
if ($name == null) {
$var = new Erfurt_Sparql_Query2_Var($predicate);
} else {
$var = new Erfurt_Sparql_Query2_Var($name);
}
if (!$inverse) {
$triple = new Erfurt_Sparql_Query2_Triple($resVar, $predicate, $var);
} else {
$triple = new Erfurt_Sparql_Query2_Triple($var, $predicate, $resVar);
}
$optionalpart->addElement($triple);
$query->getWhere()->addElement($optionalpart);
/* filtered now in php
$filter = new Erfurt_Sparql_Query2_Filter(
new Erfurt_Sparql_Query2_UnaryExpressionNot(
new Erfurt_Sparql_Query2_isBlank($var)
)
);*/
//$optionalpart->addElement($filter);
$query->addProjectionVar($var);
return array('optional' => $optionalpart, 'var' => $var, 'filter' => null);
}
/**
* Opens a resource context in data markup.
*
* Options (all are optional):
* - resource - resource URI (by default, the current resource in template)
* - type - resource type (by default, rdf:type value for the specified resource)
* - rel - relation to the resource, string or array of strings
* - rev - reverse relation (from the resource), string or array of strings
* - itemref - microdata's itemref as an array of IDs
* - tag - HTML tag to create context with
* - id - HTML id attribute
* - class - HTML class attribute
* - markup - markup format ("RDFa", "microdata", false)
*
* The following options may be specified in template options:
* rel, rev, itemref, tag, id, class
*/
public function openContext($options = array())
{
$model = OntoWiki::getInstance()->selectedModel;
$tmplOpt = $this->view->templateOptions();
$markup = $tmplOpt->getValue('http://ns.ontowiki.net/SysOnt/Site/dataMarkupFormat', 'RDFa');
$markup = isset($options['markup']) ? $options['markup'] : $markup;
$resource = isset($options['resource']) ? $options['resource'] : $this->view->resourceUri;
$html = array();
$attr = '';
$iprefix = '';
$type = null;
$rel = array();
$rev = array();
$itemref = null;
// can generate new namespaces which weren't included in html element
//$resource = $this->view->curie($resource);
if (isset($options['type'])) {
$type = $options['type'];
} else {
$query = new Erfurt_Sparql_Query2();
$query->addProjectionVar($type = new Erfurt_Sparql_Query2_Var('type'));
$query->addTriple(new Erfurt_Sparql_Query2_IriRef($resource), new Erfurt_Sparql_Query2_IriRef(EF_RDF_TYPE), $type);
if ($types = $model->sparqlQuery($query)) {
$type = $types[0]['type'];
}
}
if (isset($options['rel'])) {
$rel = $options['rel'];
} elseif (isset($this->view->rel)) {
$rel = $this->view->rel;
}
if (!is_array($rel)) {
$rel = array($rel);
}
if (isset($options['rev'])) {
$rev = $options['rev'];
} elseif (isset($this->view->rev)) {
$rev = $this->view->rev;
}
if (!is_array($rev)) {
$rev = array($rev);
}
if (isset($options['itemref'])) {
$itemref = $options['itemref'];
} elseif (isset($this->view->itemref)) {
$itemref = $this->view->itemref;
}
foreach (array('id', 'class') as $name) {
if (isset($options[$name])) {
$html[$name] = $options[$name];
} elseif (isset($this->view->{$name})) {
$html[$name] = $this->view->{$name};
}
}
switch ($markup) {
case 'RDFa':
$attr .= ' resource="' . $resource . '"';
if ($type !== null) {
$attr .= ' typeof="' . $type . '"';
}
if ($rel) {
$attr .= ' rel="' . implode(' ', $rel) . '"';
}
if ($rev) {
$attr .= ' rev="' . implode(' ', $rev) . '"';
}
break;
case 'microdata':
/* some parsers (Google) don't merge properties
from multiple elements for the same resource */
if (isset(static::$_itemref[$resource])) {
$flag = true;
if (!isset($html['id'])) {
//throw new OntoWiki_Exception('Attempting to create additional element for the same resource without itemref link (no itemref).');
$flag = false;
} elseif (!in_array($html['id'], static::$_itemref[$resource])) {
//throw new OntoWiki_Exception('Attempting to create additional element for the same resource without itemref link (ID not listed in itemref).');
$flag = false;
}
if ($flag) {
break;
}
}
$attr .= ' itemscope="itemscope"';
/* "The itemid attribute must not be specified on elements
that do not have both an itemscope attribute
and an itemtype attribute specified" */
if ($type !== null) {
$attr .= sprintf(' itemid="%s" itemtype="%s"', $resource, $type);
}
if ($rel) {
$attr .= sprintf(' itemprop="%s"', implode(' ', $rel));
}
//if ($rev) $iprefix = sprintf('<link itemprop="%s" href="#TODO"/>%s', implode(' ', $rev), $iprefix);
if ($itemref) {
$attr .= sprintf(' itemref="%s"', implode(' ', $itemref));
/* remember which elements are linked using itemref
so context markup can be disabled for them later */
static::$_itemref[$resource] = $itemref;
} else {
static::$_itemref[$resource] = array();
}
break;
}
foreach ($html as $name => $value) {
$attr .= ' ' . $name . '="' . $value . '"';
}
if (!isset($options['tag'])) {
if (!isset($this->view->tag)) {
$this->view->tag = 'span';
}
$tag = $this->view->tag;
} else {
$tag = $options['tag'];
}
// stack information for closecontext
if (!isset($this->view->dataMarkupContextStack)) {
$this->view->dataMarkupContextStack = array();
}
array_push($this->view->dataMarkupContextStack, array('tag' => $tag));
return "<{$tag}{$attr}>{$iprefix}";
}
protected function _buildSubCheckQuery($uri, $setup)
{
$subVar = new Erfurt_Sparql_Query2_Var('subResourceUri');
$searchVar = new Erfurt_Sparql_Query2_Var('resourceUri');
//$classVar = new Erfurt_Sparql_Query2_Var('classUri');
$query = new Erfurt_Sparql_Query2();
$query->addProjectionVar($subVar);
$query->setDistinct();
$this->_owApp->logger->info("data: " . print_r($query, true));
$elements = array();
$in = array();
$out = array();
if (isset($setup->config->hierarchyRelations->in)) {
if (count($setup->config->hierarchyRelations->in) > 1) {
// init union var
$unionSub = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
// parse config gile
foreach ($setup->config->hierarchyRelations->in as $rel) {
// sub stuff
$groupPattern = new Erfurt_Sparql_Query2_GroupGraphPattern();
// add triplen
$groupPattern->addTriple($subVar, new Erfurt_Sparql_Query2_IriRef($rel), $searchVar);
// add triplet to union var
$unionSub->addElement($groupPattern);
}
$in[] = $unionSub;
} else {
$rel = $setup->config->hierarchyRelations->in;
// add optional sub relation
// create optional graph to load sublacsses of selected class
$queryOptional = new Erfurt_Sparql_Query2_GroupGraphPattern();
$queryOptional->addTriple($subVar, new Erfurt_Sparql_Query2_IriRef($rel[0]), $searchVar);
$in[] = $queryOptional;
}
}
if (isset($setup->config->hierarchyRelations->out)) {
if (count($setup->config->hierarchyRelations->out) > 1) {
// init union var
$unionSub = new Erfurt_Sparql_Query2_GroupGraphPattern();
// parse config gile
foreach ($setup->config->hierarchyRelations->out as $rel) {
// sub stuff
$optPattern = new Erfurt_Sparql_Query2_OptionalGraphPattern();
// add triple
$optPattern->addTriple($searchVar, new Erfurt_Sparql_Query2_IriRef($rel), $subVar);
// add triplet to union var
$unionSub->addElement($optPattern);
}
$out[] = $unionSub;
} else {
$rel = $setup->config->hierarchyRelations->out;
// add optional sub relation
// create optional graph to load sublacsses of selected class
$queryOptional = new Erfurt_Sparql_Query2_GroupGraphPattern();
$queryOptional->addTriple($searchVar, new Erfurt_Sparql_Query2_IriRef($rel[0]), $subVar);
$out[] = $queryOptional;
}
}
$inout = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
$inout->addElements($in);
$inout->addElements($out);
$elements[] = $inout;
/*$elements[] = new Erfurt_Sparql_Query2_Triple(
$searchVar,
new Erfurt_Sparql_Query2_IriRef(EF_RDF_TYPE),
$classVar
);*/
// add filter
$elements[] = new Erfurt_Sparql_Query2_Filter(new Erfurt_Sparql_Query2_sameTerm($searchVar, new Erfurt_Sparql_Query2_IriRef($uri)));
$query->addElements($elements);
$query->setLimit(1);
// log results
$this->_owApp->logger->info('NavigationController CHECK SUB: ' . PHP_EOL . $query->__toString());
return $query;
}
/**
* 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;
}
/**
* Searches the local database for URIs. If mode is set to properties only,
* only defined properties and URIs that are used at least once as a
* property are returned.
*
* the classes array is used for class restrictions
*
* @param array $termsArray
* @param string $modelUri
* @param int $mode
* @param int $limit
* @param array $classes
*
* @return array
*/
private function _searchLocal(array $termsArray, $modelUri, $mode, $limit, $classes = array())
{
if ($mode === self::SEARCH_MODE_PROPERTIES) {
return $this->_searchLocalPropertiesOnly($termsArray, $modelUri, $limit);
}
$store = Erfurt_App::getInstance()->getStore();
// get a store specific text-search query2 object
$searchPattern = $store->getSearchPattern(implode(" ", $termsArray), $modelUri);
$query = new Erfurt_Sparql_Query2();
$query->addElements($searchPattern);
$projVar = new Erfurt_Sparql_Query2_Var('resourceUri');
$query->addProjectionVar($projVar);
// add class restriction patterns for each class
foreach ($classes as $class) {
$classPattern = new Erfurt_Sparql_Query2_GroupGraphPattern();
$classPattern->addTriple($projVar, new Erfurt_Sparql_Query2_IriRef(EF_RDF_TYPE), new Erfurt_Sparql_Query2_IriRef($class));
$query->addElement($classPattern);
}
$query->setLimit(20);
$query->setDistinct(true);
$queryResult = $store->sparqlQuery($query, array('result_format' => 'extended'));
$tempResult = array();
foreach ($queryResult['results']['bindings'] as $row) {
$object = isset($row['o']) ? $row['o']['value'] : null;
$weight = $this->_getWeight($termsArray, $row['resourceUri']['value'], $object);
if (isset($tempResult[$row['resourceUri']['value']])) {
if ($weight > $tempResult[$row['resourceUri']['value']]) {
$tempResult[$row['resourceUri']['value']] = $weight;
}
} else {
$tempResult[$row['resourceUri']['value']] = $weight;
}
}
arsort($tempResult);
require_once 'OntoWiki/Model/TitleHelper.php';
require_once 'OntoWiki/Utils.php';
if (null !== $modelUri) {
$model = $store->getModel($modelUri, false);
$titleHelper = new OntoWiki_Model_TitleHelper($model);
} else {
$titleHelper = new OntoWiki_Model_TitleHelper();
}
$titleHelper->addResources(array_keys($tempResult));
$translate = $this->_owApp->translate;
// create different source description strings
if (count($classes) > 0) {
$sourceString = $translate->_('Local Search') . ' (' . $translate->_('recommended') . ')';
} else {
$sourceString = $translate->_('Local Search');
}
$result = array();
foreach ($tempResult as $uri => $w) {
$title = $titleHelper->getTitle($uri);
if (null !== $title) {
$result[$uri] = str_replace('|', 'Ι', $title) . '|' . $uri . '|' . $sourceString;
} else {
$result[$uri] = OntoWiki_Utils::compactUri($uri) . $uri . '|' . $sourceString;
}
}
return $result;
}
/**
* Method that counts already existing distinct datasets for given uri
*
* @param $uri uri string
*
* @return int distinct existing datasets
*/
private function countUriPattern($uri)
{
$query = new Erfurt_Sparql_Query2();
$query->setDistinct(true);
$unions = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
$subjectVar = new Erfurt_Sparql_Query2_Var('s');
$query->addProjectionVar($subjectVar);
// create six temporary vars (not selected in query)
$tempVars = array();
for ($i = 0; $i < 6; $i++) {
$tempVars[] = new Erfurt_Sparql_Query2_Var('var' . $i);
}
$singlePattern = new Erfurt_Sparql_Query2_GroupGraphPattern();
$singlePattern->addTriple($subjectVar, $tempVars[0], $tempVars[1]);
$unions->addElement($singlePattern);
$singlePattern = new Erfurt_Sparql_Query2_GroupGraphPattern();
$singlePattern->addTriple($tempVars[2], $subjectVar, $tempVars[3]);
$unions->addElement($singlePattern);
$singlePattern = new Erfurt_Sparql_Query2_GroupGraphPattern();
$singlePattern->addTriple($tempVars[4], $tempVars[5], $subjectVar);
$unions->addElement($singlePattern);
$query->getWhere()->addElement($unions);
$filter = new Erfurt_Sparql_Query2_ConditionalOrExpression();
$filter->addElement(new Erfurt_Sparql_Query2_Regex($subjectVar, new Erfurt_Sparql_Query2_RDFLiteral('^' . $uri), new Erfurt_Sparql_Query2_RDFLiteral('i')));
$query->addFilter($filter);
$result = $this->_owApp->erfurt->getStore()->countWhereMatches($this->_model->getModelIri(), $query->getWhere(), 's', true);
return $result;
}
private function checkConfig($config)
{
$resVar = new Erfurt_Sparql_Query2_Var('resourceUri');
$typeVar = new Erfurt_Sparql_Query2_IriRef(EF_RDF_TYPE);
$query = new Erfurt_Sparql_Query2();
$query->addProjectionVar($resVar)->setDistinct(true);
$union = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
if (is_string($config->hierarchyTypes)) {
$config->hierarchyTypes = array($config->hierarchyTypes);
}
foreach ($config->hierarchyTypes->toArray() as $type) {
$ggp = new Erfurt_Sparql_Query2_GroupGraphPattern();
$ggp->addTriple($resVar, $typeVar, new Erfurt_Sparql_Query2_IriRef($type));
$union->addElement($ggp);
}
$query->addElement($union);
$query->setLimit(1);
$allResults = $this->_owApp->selectedModel->sparqlQuery($query);
/*$this->_owApp->logger->info(
'Navigation Query: ' .PHP_EOL . $query->__toString()
);
$this->_owApp->logger->info(
'Navigation Query Results: ' .PHP_EOL . print_r($all_results)
);*/
return count($allResults);
}
/**
* Moves resource to new URI
* renaming all occurences of the resource.
*
* @param string $oldUri The URI that identifies the resource.
* @param string $newUri The URI to move resource to.
*
* @return void
*/
public function renameResource($oldUri, $newUri)
{
$query = new Erfurt_Sparql_Query2();
$query->setDistinct(true);
$vars = array();
foreach (array('s', 'p', 'o') as $varName) {
$vars[$varName] = new Erfurt_Sparql_Query2_Var($varName);
$query->addProjectionVar($vars[$varName]);
}
$oldUriRef = new Erfurt_Sparql_Query2_IriRef($oldUri);
$union = new Erfurt_Sparql_Query2_GroupOrUnionGraphPattern();
foreach ($vars as $var) {
$group = new Erfurt_Sparql_Query2_GroupGraphPattern();
$group->addTriple($vars['s'], $vars['p'], $vars['o']);
$group->addFilter(new Erfurt_Sparql_Query2_sameTerm($var, $oldUriRef));
$union->addElement($group);
}
$query->addElement($union);
$result = $this->sparqlQuery($query, array('result_format' => 'extended'));
$removed = array();
$added = array();
foreach ($result['results']['bindings'] as $s) {
// result format from sparqlQuery
// isn't the same as format for delete/addMultipleStatements
if (array_key_exists('xml:lang', $s['o'])) {
$s['o']['lang'] = $s['o']['xml:lang'];
unset($s['o']['xml:lang']);
}
$removed[$s['s']['value']][$s['p']['value']][] = $s['o'];
foreach (array('s', 'p', 'o') as $varName) {
if ($s[$varName]['type'] === 'uri' && $s[$varName]['value'] === $oldUri) {
$s[$varName]['value'] = $newUri;
}
}
$added[$s['s']['value']][$s['p']['value']][] = $s['o'];
}
$this->deleteMultipleStatements($removed);
$this->addMultipleStatements($added);
}
public function querylist($query, $template, $templateOptions = array(), $options = array())
{
$owapp = OntoWiki::getInstance();
$store = $owapp->erfurt->getStore();
$model = $owapp->selectedModel;
$prefix = isset($options['prefix']) ? $options['prefix'] : '';
$suffix = isset($options['suffix']) ? $options['suffix'] : '';
$delimiter = isset($options['delimiter']) ? $options['delimiter'] : '';
$property = isset($options['property']) ? $options['property'] : '';
if ($this->_titleHelper == null) {
$this->_titleHelper = new OntoWiki_Model_TitleHelper($model);
}
if ($property !== '') {
// construct query to retrieve specified property of the current resource
$query = new Erfurt_Sparql_Query2();
$resourceUriVar = new Erfurt_Sparql_Query2_Var('resourceUri');
$query->addProjectionVar($resourceUriVar);
$query->addTriple(new Erfurt_Sparql_Query2_IriRef($this->view->resourceUri), new Erfurt_Sparql_Query2_IriRef($property), $resourceUriVar);
}
try {
$result = $model->sparqlQuery($query);
} catch (Exception $e) {
// executions failed (return nothing)
return $e->getMessage();
}
// pre-fill the title helper
foreach ($result as $row) {
foreach ($row as $value) {
if (Erfurt_Uri::check($value)) {
$this->_titleHelper->addResource($value);
}
}
}
/*
* If the ordering doesn't work using the 'ORDER BY' clause you should add ASC() around the
* variable which should by sorted. E.g. "… } ORDER BY ASC(?start) ASC(?end)"
*/
if (!stristr($query, 'ORDER BY')) {
// sort results by resource title
usort($result, array('Site_View_Helper_Querylist', '_cmpTitles'));
}
$return = '';
$count = count($result);
$current = 0;
$odd = true;
foreach ($result as $row) {
// shift status vars
$current++;
$odd = !$odd;
// prepare a first / last hint for the template
$listhint = $current == 1 ? 'first' : null;
$listhint = $current == $count ? 'last' : $listhint;
$row['listhint'] = $listhint;
// prepare other template vars
$row['oddclass'] = $odd ? 'odd' : 'even';
$row['rowcount'] = $count;
$row['current'] = $current;
if (!Erfurt_Uri::check($row['resourceUri'])) {
$row['title'] = $row['resourceUri'];
} else {
$row['title'] = $this->_titleHelper->getTitle($row['resourceUri']);
}
$row = array_merge($row, $templateOptions);
// render the template
$return .= $prefix . $this->view->partial($template, $row) . $suffix;
if ($current < $count) {
$return .= $delimiter;
}
}
return $return;
}
