$dataHa['exercise'] .= translateFN('Prossimo esercizio') . '</a>';
}
}
}
break;
case 'view':
default:
$exercise = ExerciseDAO::getExercise($id_node);
if ($user_level < $exercise->getExerciseLevel()) {
$form = translateFN("Esercizio di livello superiore al tuo");
} else {
$viewer = ExerciseViewerFactory::create($exercise->getExerciseFamily());
$action = 'exercise.php';
$form = $viewer->getViewingForm($userObj, $exercise, $sess_id_course_instance, $action);
// vito 26 gennaio 2009
if (($id = ExerciseDAO::getNextExerciseId($exercise, $sess_id_user)) != NULL) {
$next_exercise_menu_link = CDOMElement::create('a');
$next_exercise_menu_link->setAttribute('href', "{$http_root_dir}/browsing/exercise.php?id_node={$id}");
$next_exercise_menu_link->addCHild(new CText(translateFN('Prossimo esercizio')));
$dataHa['go_back'] .= $next_exercise_menu_link->getHtml();
}
}
$dataHa['exercise'] = $form;
$node_title = $exercise->getTitle();
$icon = CourseViewer::getCSSClassNameForExerciseType($exercise->getExerciseFamily());
break;
}
/*
* Actions menu
*/
if ($id_profile == AMA_TYPE_AUTHOR) {
break;
case 'delete':
/*
* posso cancellare l'esercizio solo se:
* 1. nessuna istanza di corso attiva
* 2. istanza del corso attiva, ma nessuno studente ha già svolto l'esercizio.
*
* quindi deve:
* 1. ottieni istanze corso attive (esiste già il metodo AMA?)
* 2. se istanza corso attiva, verifica se esiste studente che ha svolto esercizio
* in questa istanza corso.
* se tutto ok, cancella l'esercizio,
* altrimenti mostra un messaggio che spiega perche' non e' possibile cancellare l'esercizio.
*
*/
if (!ExerciseDAO::canEditExercise($id_node)) {
$dataHa['exercise'] = translateFN("L'esercizio non può essere eliminato.");
break;
}
$result = ExerciseDAO::delete($id_node);
if (AMA_DataHandler::isError($result)) {
$errObj = new ADA_Error($result, translateFN("Errore durante la cancellazione dell'esercizio"));
}
$dataHa['exercise'] = translateFN("L'esercizio è stato cancellato correttamente");
break;
}
//$dataHa['go_back'].= "<BR><a href=\"$http_root_dir/browsing/exercise.php?id_node=$id_next_exercise\">".translateFN("Prossimo esercizio")."</a>";
$content_dataAr = array('banner' => isset($banner) ? $banner : '', 'status' => $status, 'course_title' => isset($course_title) ? $course_title : '', 'user_name' => $user_name, 'user_type' => $user_type, 'user_level' => $user_level, 'author' => isset($node_author) ? $node_author : '', 'node_level' => isset($node_level) ? $node_level : '', 'visited' => isset($visited) ? $visited : '', 'path' => $node_path, 'title' => $node_title, 'form' => $dataHa['exercise'], 'media' => isset($dataHa['media']) ? $dataHa['media'] : '', 'messages' => $user_messages->getHtml(), 'agenda' => $user_agenda->getHtml(), 'chat_users' => isset($online_users) ? $online_users : '', 'icon' => $icon);
// FIXME: non dovrebbe essere necessario aggiungere questa riga!
$layout_dataAr['node_type'] = '';
ARE::render($layout_dataAr, $content_dataAr);
if (!isset($op)) {
$op = 'default';
}
switch ($op) {
case 'exe':
$user_answer = $dh->get_ex_history_info($id_exe);
if (AMA_DataHandler::isError($user_answer)) {
//print("errore");
$errObj = new ADA_Error($user_answer, translateFN("Errore nell'ottenimento della risposta utente"));
}
$node = $user_answer['node_id'];
//$student_id = $user_answer['student_id'];
//$course_instance = $user_answer['course_id'];
$id_student = $user_answer['student_id'];
$id_course_instance = $user_answer['course_id'];
$exercise = ExerciseDAO::getExercise($node, $id_exe);
$_SESSION['exercise_object'] = serialize($exercise);
if (AMA_DataHandler::isError($exercise)) {
//print("errore");
$errObj = new ADA_Error($exercise, translateFN("Errore nella lettura dell'esercizio"));
}
$viewer = ExerciseViewerFactory::create($exercise->getExerciseFamily());
$history = $viewer->getExerciseHtml($exercise);
$status = translateFN('Esercizio dello studente');
break;
case 'list':
case 'default':
// lettura dei dati dal database
// Seleziona gli esercizi dello studente selezionato nel corso selezionato
$userObj->get_exercise_dataFN($id_course_instance, $userObj->getId());
// Esercizi svolti e relativi punteggi
function get_exercisesFN($user_level)
{
//global $dh,$error;
//global $sess_id_user, $sess_id_course_instance;
$dh = isset($GLOBALS['dh']) ? $GLOBALS['dh'] : null;
$error = isset($GLOBALS['error']) ? $GLOBALS['error'] : null;
$debug = isset($GLOBALS['debug']) ? $GLOBALS['debug'] : null;
$sess_id_course_instance = isset($_SESSION['sess_id_course_instance']) ? $_SESSION['sess_id_course_instance'] : null;
$sess_id_user = isset($_SESSION['sess_id_user']) ? $_SESSION['sess_id_user'] : null;
// filtering exercises:
// have the exercises been already executed?
// HTML EMBEDDED VERSION
if (!empty($this->children)) {
$exerc_Ar = $this->children;
// mydebug(__LINE__,__FILE__,$exerc_Ar);
$dataAr = array();
foreach ($exerc_Ar as $id_exerc) {
$temp = $dh->get_node_info($id_exerc);
$type = $temp['type'];
$exercise_type_family = $type[0];
// first char = family (3 multiple, 4 open manual 5 open automatic 6 cloze etc)
/*
switch (strlen($exercise_type)){
case 1:
default:
$exercise_type_mode = 0;// single
$exercise_type_interaction = 0; // r+feedback
break;
case 2:
$exercise_type_mode = $exercise_type[1];// second char = mode (0 single, 1 sequence, 2 random)
$exercise_type_interaction = 0; // r+feedback
break;
case 3:
$exercise_type_mode = $exercise_type[1];// second char = mode (0 single, 1 sequence, 2 random)
$exercise_type_interaction = $exercise_type[2]; // third char = interaction (0 r+feedback 1 feedback 2 blind)
break;
}
*/
if ($this->isNodeExercise($exercise_type_family)) {
// if ($exercise_type_family >= ADA_STANDARD_EXERCISE_TYPE) {
// versione che legge nel DB la storia dell'esercizio
/*
$exercise = $dh->get_node_info($id_exerc);
// mydebug(__LINE__,__FILE__,$exercObj);
$exerc_title = $exercise['name'];
$out_fields_ar = array('data_visita','ripetibile');
$history_exerc = $dh->find_ex_history_list($out_fields_ar,$sess_id_user, $sess_id_course_instance, $id_exerc);
if (is_array($history_exerc)){
$h_exerc = array_shift($history_exerc);
// global $debug; $debug = 1; mydebug(__LINE__,__FILE__,$h_exerc); $debug=0;
if (is_array($h_exerc))
$already_executed = !$h_exerc[2];
else
$already_executed = "";
} else {
$already_executed = "";
}
*/
// versione che utilizza la classe apposita
$exercise = ExerciseDAO::getExercise($id_exerc);
$exerc_title = $exercise->getTitle();
$already_executed = !$exercise->getRepeatable();
if (!$already_executed) {
// not yet viewed or repeatable
$alt = translateFN("Esercizio");
$icon = "_exer.png";
$ok = true;
} else {
$alt = translateFN("Esercizio già eseguito");
$icon = "_exerdis.png";
// _gruppodis.png
$ok = false;
}
if ($ok) {
$exerc_ok = array("<img name=gruppo alt=\"{$alt}\" src=\"img/{$icon}\"> <a href=exercise.php?id_node={$id_exerc}>{$exerc_title}</a>");
} else {
$exerc_ok = array("<img name=gruppo alt=\"{$alt}\" src=\"img/{$icon}\">{$exerc_title}");
}
array_push($dataAr, $exerc_ok);
}
}
$dataAr = $this->_removeEmptyElements($dataAr);
$rules = '';
$style = 'table_link';
$t = new Table();
$t->initTable('0', 'center', '0', '0', '100%', '', '', '', '', '0', '0', $rules, $style);
$t->setTable($dataAr, $caption = "", $summary = translateFN("Indice degli esercizi collegati"));
return $t->getTable();
} else {
return $this->_wrapTextInSpan(translateFN('Nessuno'), 'noitem')->getHtml() . "<p>";
}
}
function getExerciseReport($exerciseObj, $id_course_instance)
{
/*
* ottiene i dati relativi alla risposte fornite dagli utenti nella classe
* e alle risposte possibile ammesse dall'esercizio
*/
$exercise_data = ExerciseDAO::getExerciseInfo($exerciseObj, $id_course_instance);
$possible_answers = $exerciseObj->getExerciseData();
$div = CDOMElement::create('div');
$div->addChild(new CText($exerciseObj->getText()));
$data = array();
$exercise_data_count = count($exercise_data);
$thead_data = array(translateFN('Testo della risposta'), translateFN('Punteggio'), translateFN('Numero di risposte'));
/*
* scorre le risposte fornite dalla classe
*/
for ($i = 0; $i < $exercise_data_count; $i++) {
$href = 'view.php?id_node=' . $exercise_data[$i]['risposta_libera'];
$answer = CDOMElement::create('a', "href:{$href}");
$answer_id = $exercise_data[$i]['risposta_libera'];
$answer->addChild(new CText($exerciseObj->getExerciseDataAnswerForItem($answer_id)));
$tbody_data[$i] = array($answer->getHtml(), $exercise_data[$i]['punteggio'], $exercise_data[$i]['risposte']);
if (isset($possible_answers[$answer_id])) {
unset($possible_answers[$answer_id]);
}
}
/*
* considera eventuali risposte all'esercizio che non sono state date
* da nessuno studente
*/
foreach ($possible_answers as $answer_id => $answer_data) {
$href = 'view.php?id_node=' . $answer_id;
$answer = CDOMElement::create('a', "href:{$href}");
$answer->addChild(new CText($exerciseObj->getExerciseDataAnswerForItem($answer_id)));
$tbody_data[$i] = array($answer->getHtml(), $exerciseObj->getExerciseDataCorrectnessForItem($answer_id), 0);
$i++;
}
$div->addChild(BaseHtmlLib::tableElement('', $thead_data, $tbody_data));
return $div->getHtml();
}
