/**
* 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);
}
}
}
protected function _buildCountQuery($uri, $setup)
{
$query = new Erfurt_Sparql_Query2();
$query->addProjectionVar(new Erfurt_Sparql_Query2_Var('resourceUri'));
$query->setCountStar(true);
$query->setDistinct();
$query->addElements(NavigationHelper::getInstancesTriples($uri, $setup));
// error logging
$this->_owApp->logger->info('NavigationController: COUNTQUERY: ' . $query->__toString());
//*/
return $query;
}
