/** * RouteShutdown is the earliest event in the dispatch cycle, where a * fully routed request object is available */ public function routeShutdown(Zend_Controller_Request_Abstract $request) { if (isset($request->noListRedirect)) { return; } $ontoWiki = OntoWiki::getInstance(); // TODO: Refactor! The list helper is from an extension! Do not access extensions // from core code! if (!Zend_Controller_Action_HelperBroker::hasHelper('List')) { return; } $listHelper = Zend_Controller_Action_HelperBroker::getStaticHelper('List'); // only once and only when possible if (!$this->_isSetup && $ontoWiki->selectedModel != null && (isset($request->init) || isset($request->instancesconfig) || isset($request->s) || isset($request->class) || isset($request->p) || isset($request->limit))) { $frontController = Zend_Controller_Front::getInstance(); $store = $ontoWiki->erfurt->getStore(); $resource = $ontoWiki->selectedResource; $session = $ontoWiki->session; // when switching to another class: // reset session vars (regarding the list) if (isset($request->init)) { //echo 'kill list session'; // reset the instances object unset($session->instances); //reset config from tag explorer unset($session->cloudproperties); } //react on m parameter to set the selected model if (isset($request->m)) { try { $model = $store->getModel($request->getParam('m', null, false)); $ontoWiki->selectedModel = $model; } catch (Erfurt_Store_Exception $e) { $model = null; $ontoWiki->selectedModel = null; } } $list = $listHelper->getLastList(); if (!isset($request->list) && $list == null || isset($request->init)) { // instantiate model, that selects all resources $list = new OntoWiki_Model_Instances($store, $ontoWiki->selectedModel, array()); } else { // use the object from the session if (isset($request->list) && $request->list != $listHelper->getLastListName()) { if ($listHelper->listExists($request->list)) { $list = $listHelper->getList($request->list); $ontoWiki->appendMessage(new OntoWiki_Message('reuse list')); } else { throw new OntoWiki_Exception('your trying to configure a list, but there is no list name specified'); } } $list->setStore($store); // store is not serialized in session! reset it } //local function :) function _json_decode($string) { /* PHP 5.3 DEPRECATED ; REMOVE IN PHP 6.0 */ if (get_magic_quotes_gpc()) { // add slashes for unicode chars in json $string = str_replace('\\u', '\\\\u', $string); //$string = str_replace('\\u000a','', $string); $string = stripslashes($string); } /* ---- */ return json_decode($string, true); } //a shortcut for search param if (isset($request->s)) { if (isset($request->instancesconfig)) { $config = _json_decode($request->instancesconfig); if (null === $config) { throw new OntoWiki_Exception('Invalid parameter instancesconfig (json_decode failed): ' . $this->_request->setup); } } else { $config = array(); } if (!isset($config['filter'])) { $config['filter'] = array(); } $config['filter'][] = array('action' => 'add', 'mode' => 'search', 'searchText' => $request->s); $request->setParam('instancesconfig', json_encode($config)); } //a shortcut for class param if (isset($request->class)) { if (isset($request->instancesconfig)) { $config = _json_decode($request->instancesconfig); if (null === $config) { throw new OntoWiki_Exception('Invalid parameter instancesconfig (json_decode failed): ' . $this->_request->setup); } } else { $config = array(); } if (!isset($config['filter'])) { $config['filter'] = array(); } $config['filter'][] = array('action' => 'add', 'mode' => 'rdfsclass', 'rdfsclass' => $request->class); $request->setParam('instancesconfig', json_encode($config)); } //check for change-requests if (isset($request->instancesconfig)) { $config = _json_decode($request->instancesconfig); if (null === $config) { throw new OntoWiki_Exception('Invalid parameter instancesconfig (json_decode failed)'); } // TODO is this a bug? why access sort->asc when it is null? if (isset($config['sort'])) { if ($config['sort'] == null) { $list->orderByUri($config['sort']['asc']); } else { $list->setOrderProperty($config['sort']['uri'], $config['sort']['asc']); } } if (isset($config['shownProperties'])) { foreach ($config['shownProperties'] as $prop) { if ($prop['action'] == 'add') { $list->addShownProperty($prop['uri'], $prop['label'], $prop['inverse']); } else { $list->removeShownProperty($prop['uri'], $prop['inverse']); } } } if (isset($config['filter'])) { foreach ($config['filter'] as $filter) { // set default value for action and mode if they're not assigned if (!isset($filter['action'])) { $filter['action'] = 'add'; } if (!isset($filter['mode'])) { $filter['mode'] = 'box'; } if ($filter['action'] == 'add') { if ($filter['mode'] == 'box') { $list->addFilter($filter['property'], isset($filter['isInverse']) ? $filter['isInverse'] : false, isset($filter['propertyLabel']) ? $filter['propertyLabel'] : 'defaultLabel', $filter['filter'], isset($filter['value1']) ? $filter['value1'] : null, isset($filter['value2']) ? $filter['value2'] : null, isset($filter['valuetype']) ? $filter['valuetype'] : 'literal', isset($filter['literaltype']) ? $filter['literaltype'] : null, isset($filter['hidden']) ? $filter['hidden'] : false, isset($filter['id']) ? $filter['id'] : null, isset($filter['negate']) ? $filter['negate'] : false); } else { if ($filter['mode'] == 'search') { $list->addSearchFilter($filter['searchText'], isset($filter['id']) ? $filter['id'] : null); } else { if ($filter['mode'] == 'rdfsclass') { $list->addTypeFilter($filter['rdfsclass'], isset($filter['id']) ? $filter['id'] : null); } else { if ($filter['mode'] == 'cnav') { $list->addTripleFilter(NavigationHelper::getInstancesTriples($filter['uri'], $filter['cnav']), isset($filter['id']) ? $filter['id'] : null); } else { if ($filter['mode'] == 'query') { try { //echo $filter->query." "; $query = Erfurt_Sparql_Query2::initFromString($filter['query']); // TODO what the hell is this?! if (!$query instanceof Exception) { $list->addTripleFilter($query->getWhere()->getElements(), isset($filter['id']) ? $filter['id'] : null); } //echo $query->getSparql(); } catch (Erfurt_Sparql_ParserException $e) { $ontoWiki->appendMessage('the query could not be parsed'); } } } } } } } else { $list->removeFilter($filter['id']); } } } if (isset($config['order'])) { foreach ($config['order'] as $prop) { if ($prop['action'] == 'set') { if ($prop['mode'] == 'var') { $list->setOrderVar($prop['var']); } else { $list->setOrderUri($prop['uri']); } } } } } if (isset($request->limit)) { // how many results per page $list->setLimit($request->limit); } else { $list->setLimit(10); } if (isset($request->p)) { // p is the page number $list->setOffset($request->p * $list->getLimit() - $list->getLimit()); } else { $list->setOffset(0); } //save to session $name = isset($request->list) ? $request->list : 'instances'; $listHelper->updateList($name, $list, true); // avoid setting up twice $this->_isSetup = true; // redirect normal requests if config-params are given to a param-free uri // (so a browser reload by user does nothing unwanted) if (!$request->isXmlHttpRequest()) { //strip of url parameters that modify the list $url = new OntoWiki_Url(array(), null, array('init', 'instancesconfig', 's', 'p', 'limit', 'class', 'list')); //redirect $redirector = Zend_Controller_Action_HelperBroker::getStaticHelper('redirector'); $redirector->gotoUrl($url); } } }