/**
* This function handles the actions on a question and its answers
*
* @todo consider using $form_content instead of $_POST
*
* @author Patrick Cool <*****@*****.**>, Ghent University
* @version January 2007
*/
function handle_action($form_content)
{
$course_id = api_get_course_int_id();
global $config;
// Moving an answer up
if ($_POST['move_up']) {
foreach ($_POST['move_up'] as $key => &$value) {
$id1 = $key;
$content1 = $form_content['answers'][$id1];
$id2 = $key - 1;
$content2 = $form_content['answers'][$id2];
$form_content['answers'][$id1] = $content2;
$form_content['answers'][$id2] = $content1;
}
}
// Moving an answer down
if ($_POST['move_down']) {
foreach ($_POST['move_down'] as $key => &$value) {
$id1 = $key;
$content1 = $form_content['answers'][$id1];
$id2 = $key + 1;
$content2 = $form_content['answers'][$id2];
$form_content['answers'][$id1] = $content2;
$form_content['answers'][$id2] = $content1;
}
}
// Adding an answer
if (isset($_POST['add_answer'])) {
$form_content['answers'][] = '';
}
// Removing an answer
if (isset($_POST['remove_answer'])) {
$max_answer = count($form_content['answers']);
unset($form_content['answers'][$max_answer - 1]);
}
// Saving a question
if (isset($_POST['save_question'])) {
$message = survey_manager::save_question($form_content);
if ($message == 'QuestionAdded' || $message == 'QuestionUpdated') {
$sql = 'SELECT COUNT(*) FROM ' . Database::get_course_table(TABLE_SURVEY_QUESTION) . ' WHERE c_id = ' . $course_id . ' AND survey_id = ' . intval($_GET['survey_id']);
$res = Database::fetch_array(Database::query($sql));
header('Location:survey.php?survey_id=' . intval($_GET['survey_id']) . '&message=' . $message);
exit;
} else {
if ($message == 'PleaseEnterAQuestion' || $message == 'PleasFillAllAnswer' || $message == 'PleaseChooseACondition' || $message == 'ChooseDifferentCategories') {
$_SESSION['temp_user_message'] = $form_content['question'];
$_SESSION['temp_horizontalvertical'] = $form_content['horizontalvertical'];
$_SESSION['temp_sys_message'] = $message;
$_SESSION['temp_answers'] = $form_content['answers'];
$_SESSION['temp_values'] = $form_content['values'];
header('location:question.php?' . api_get_cidreq() . '&question_id=' . intval($_GET['question_id']) . '&survey_id=' . intval($_GET['survey_id']) . '&action=' . Security::remove_XSS($_GET['action']) . '&type=' . Security::remove_XSS($_GET['type']) . '');
exit;
}
}
}
/**
* This solution is a little bit strange but I could not find a different solution.
*/
if ($_POST['delete_answer']) {
foreach ($_POST['delete_answer'] as $key => &$value) {
unset($form_content['answers'][$key]);
$deleted = $key;
}
foreach ($form_content['answers'] as $key => &$value) {
if ($key > $deleted) {
$form_content['answers'][$key - 1] = $form_content['answers'][$key];
unset($form_content['answers'][$key]);
}
}
}
return $form_content;
}
