/**
* Enable you to map an rdf property to a form element using the Widget
*
* @access public
* @author Bertrand Chevrier, <*****@*****.**>
* @param Property property
* @return tao_helpers_form_FormElement
*/
public static function elementMap(core_kernel_classes_Property $property)
{
$returnValue = null;
//create the element from the right widget
$property->feed();
$widgetResource = $property->getWidget();
if (is_null($widgetResource)) {
return null;
}
//authoring widget is not used in standalone mode
if ($widgetResource->getUri() == 'http://www.tao.lu/datatypes/WidgetDefinitions.rdf#Authoring' && tao_helpers_Context::check('STANDALONE_MODE')) {
return null;
}
// horrible hack to fix file widget
if ($widgetResource->getUri() == 'http://www.tao.lu/datatypes/WidgetDefinitions.rdf#AsyncFile') {
$widgetResource = new core_kernel_classes_Resource('http://www.tao.lu/datatypes/WidgetDefinitions.rdf#GenerisAsyncFile');
}
$element = tao_helpers_form_FormFactory::getElementByWidget(tao_helpers_Uri::encode($property->getUri()), $widgetResource);
if (!is_null($element)) {
if ($element->getWidget() != $widgetResource->getUri()) {
common_Logger::w('Widget definition differs from implementation: ' . $element->getWidget() . ' != ' . $widgetResource->getUri());
return null;
}
//use the property label as element description
$propDesc = strlen(trim($property->getLabel())) > 0 ? $property->getLabel() : str_replace(LOCAL_NAMESPACE, '', $property->getUri());
$element->setDescription($propDesc);
//multi elements use the property range as options
if (method_exists($element, 'setOptions')) {
$range = $property->getRange();
if ($range != null) {
$options = array();
if ($element instanceof tao_helpers_form_elements_Treeview) {
if ($property->getUri() == RDFS_RANGE) {
$options = self::rangeToTree(new core_kernel_classes_Class(RDFS_RESOURCE));
} else {
$options = self::rangeToTree($range);
}
} else {
foreach ($range->getInstances(true) as $rangeInstance) {
$options[tao_helpers_Uri::encode($rangeInstance->getUri())] = $rangeInstance->getLabel();
}
//set the default value to an empty space
if (method_exists($element, 'setEmptyOption')) {
$element->setEmptyOption(' ');
}
}
//complete the options listing
$element->setOptions($options);
}
}
$returnValue = $element;
}
return $returnValue;
}
/**
* @see taoItems_models_classes_itemModel::getPreviewUrl()
*/
public function getAuthoringUrl(core_kernel_classes_Resource $item)
{
return _url('index', 'QtiCreator', 'taoQtiItem', array('instance' => $item->getUri(), 'STANDALONE_MODE' => intval(\tao_helpers_Context::check('STANDALONE_MODE'))));
}
/**
* Enable you to map an rdf property to a form element using the Widget
*
* @access public
* @author Bertrand Chevrier, <*****@*****.**>
* @param core_kernel_classes_Property $property
* @return tao_helpers_form_FormElement
*/
public static function elementMap(core_kernel_classes_Property $property)
{
$returnValue = null;
//create the element from the right widget
$property->feed();
$widgetResource = $property->getWidget();
if (is_null($widgetResource)) {
return null;
}
//authoring widget is not used in standalone mode
if ($widgetResource->getUri() === 'http://www.tao.lu/datatypes/WidgetDefinitions.rdf#Authoring' && tao_helpers_Context::check('STANDALONE_MODE')) {
return null;
}
// horrible hack to fix file widget
if ($widgetResource->getUri() === 'http://www.tao.lu/datatypes/WidgetDefinitions.rdf#AsyncFile') {
$widgetResource = new core_kernel_classes_Resource('http://www.tao.lu/datatypes/WidgetDefinitions.rdf#GenerisAsyncFile');
}
$element = tao_helpers_form_FormFactory::getElementByWidget(tao_helpers_Uri::encode($property->getUri()), $widgetResource);
if (!is_null($element)) {
if ($element->getWidget() !== $widgetResource->getUri()) {
common_Logger::w('Widget definition differs from implementation: ' . $element->getWidget() . ' != ' . $widgetResource->getUri());
return null;
}
//use the property label as element description
$propDesc = strlen(trim($property->getLabel())) > 0 ? $property->getLabel() : str_replace(LOCAL_NAMESPACE, '', $property->getUri());
$element->setDescription($propDesc);
//multi elements use the property range as options
if (method_exists($element, 'setOptions')) {
$range = $property->getRange();
if ($range !== null) {
$options = array();
if ($element instanceof TreeAware) {
$sortedOptions = $element->rangeToTree($property->getUri() === RDFS_RANGE ? new core_kernel_classes_Class(RDFS_RESOURCE) : $range);
} else {
/** @var core_kernel_classes_Resource $rangeInstance */
foreach ($range->getInstances(true) as $rangeInstance) {
$level = $rangeInstance->getOnePropertyValue(new core_kernel_classes_Property(TAO_LIST_LEVEL_PROP));
if (is_null($level)) {
$options[tao_helpers_Uri::encode($rangeInstance->getUri())] = array(tao_helpers_Uri::encode($rangeInstance->getUri()), $rangeInstance->getLabel());
} else {
$level = $level instanceof core_kernel_classes_Resource ? $level->getUri() : (string) $level;
$options[$level] = array(tao_helpers_Uri::encode($rangeInstance->getUri()), $rangeInstance->getLabel());
}
}
ksort($options);
$sortedOptions = array();
foreach ($options as $id => $values) {
$sortedOptions[$values[0]] = $values[1];
}
//set the default value to an empty space
if (method_exists($element, 'setEmptyOption')) {
$element->setEmptyOption(' ');
}
}
//complete the options listing
$element->setOptions($sortedOptions);
}
}
foreach (ValidationRuleRegistry::getRegistry()->getValidators($property) as $validator) {
$element->addValidator($validator);
}
$returnValue = $element;
}
return $returnValue;
}
/**
* search the instances of an ontology
* @return
*/
public function search()
{
$found = false;
try {
$clazz = $this->getCurrentClass();
} catch (Exception $e) {
common_Logger::i('Search : could not find current class switch to root class');
$clazz = $this->getRootClass();
}
$formContainer = $this->getSearchForm($clazz);
$myForm = $formContainer->getForm();
if (tao_helpers_Context::check('STANDALONE_MODE')) {
$standAloneElt = tao_helpers_form_FormFactory::getElement('standalone', 'Hidden');
$standAloneElt->setValue(true);
$myForm->addElement($standAloneElt);
}
if ($myForm->isSubmited()) {
if ($myForm->isValid()) {
$filters = $myForm->getValues('filters');
$model = array();
foreach ($filters as $propUri => $filter) {
if (preg_match("/^http/", $propUri) && !empty($filter)) {
$property = new core_kernel_classes_Property($propUri);
$model[$property->getUri()] = array('id' => $property->getUri(), 'label' => $property->getLabel(), 'sortable' => true);
} else {
unset($filters[$propUri]);
}
}
$clazz = new core_kernel_classes_Class($myForm->getValue('clazzUri'));
if (!array_key_exists(RDFS_LABEL, $model)) {
$labelProp = new core_kernel_classes_Property(RDFS_LABEL);
$model = array_merge(array($labelProp->getUri() => array('id' => $labelProp->getUri(), 'label' => $labelProp->getLabel(), 'sortable' => true)), $model);
}
$params = $myForm->getValues('params');
if (!isset($params['recursive'])) {
// 0 => Current class + sub-classes, 10 => Current class only
$params['recursive'] = true;
} else {
$params['recursive'] = false;
}
$params['like'] = false;
return $this->returnJson(array('url' => _url('searchResults', null, null, array('classUri' => $clazz->getUri())), 'params' => $params, 'model' => $model, 'filters' => $filters, 'result' => true));
}
}
$this->setData('myForm', $myForm->render());
$this->setData('formTitle', __('Search'));
$this->setView('form/search.tpl', 'tao');
}
/**
* Start the session
*/
protected function session()
{
if (tao_helpers_Context::check('APP_MODE')) {
// Set a specific ID to the session.
$request = new Request();
if ($request->hasParameter('session_id')) {
session_id($request->getParameter('session_id'));
}
}
// set the session cookie to HTTP only.
$this->configureSessionHandler();
$sessionParams = session_get_cookie_params();
$cookieDomain = true == tao_helpers_Uri::isValidAsCookieDomain(ROOT_URL) ? tao_helpers_Uri::getDomain(ROOT_URL) : $sessionParams['domain'];
session_set_cookie_params($sessionParams['lifetime'], tao_helpers_Uri::getPath(ROOT_URL), $cookieDomain, $sessionParams['secure'], TRUE);
session_name(GENERIS_SESSION_NAME);
if (isset($_COOKIE[GENERIS_SESSION_NAME])) {
// Resume the session
session_start();
//cookie keep alive, if lifetime is not 0
if ($sessionParams['lifetime'] !== 0) {
$expiryTime = $sessionParams['lifetime'] + time();
setcookie(session_name(), session_id(), $expiryTime, tao_helpers_Uri::getPath(ROOT_URL), $cookieDomain, $sessionParams['secure'], true);
}
}
}
