libdir . '/filelib.php');
require_once($CFG->libdir . '/formslib.php');
$returnurl = optional_param('returnurl', 0, PARAM_URL);
if (!$returnurl && isset($SESSION->fromurl)) {
$returnurl = $SESSION->fromurl;
}
// Read URL parameters telling us which question to edit.
$id = optional_param('id', 0, PARAM_INT); // question id
$qtype = optional_param('qtype', '', PARAM_FILE);
$categoryid = optional_param('category', 0, PARAM_INT);
$wizard = optional_param('wizard', '', PARAM_ALPHA);
// Validate the URL parameters.
if ($id = optional_param('id', 0, PARAM_INT)) {
if (!$question = get_record("question", "id", $id)) {
print_error('questiondoesnotexist', 'question', $returnurl);
}
get_question_options($question);
$submiturl = "question2.php?id=$id&returnurl=" . urlencode($returnurl).'&wizard='.$wizard;
} else if ($categoryid && $qtype) { // only for creating new questions
$question = new stdClass;
$question->category = $categoryid;
$question->qtype = $qtype;
$submiturl = "question2.php?category=$categoryid&qtype=$qtype&returnurl=" . urlencode($returnurl).'&wizard='.$wizard;
} else {
print_error('notenoughdatatoeditaquestion', 'question', $returnurl);
}
// Validate the question category.
if (!$category = get_record('question_categories', 'id', $question->category)) {
print_error('categorydoesnotexist', 'question', $returnurl);
}
if (!$returnurl) {
$returnurl = "{$CFG->wwwroot}/question/edit.php?courseid={$category->course}";
$SESSION->fromurl = $returnurl;
}
// Validate the question type.
if (!isset($QTYPES[$question->qtype])) {
print_error('unknownquestiontype', 'question', $returnurl, $question->qtype);
}
$CFG->pagepath = 'question/type/' . $question->qtype;
// Check the user is logged in and has enough premissions.
require_login($category->course, false);
$coursecontext = get_context_instance(CONTEXT_COURSE, $category->course);
require_capability('moodle/question:manage', $coursecontext);
// Create the question editing form.
if ($wizard!==''){
if (!method_exists($QTYPES[$question->qtype], 'next_wizard_form')){
print_error('missingimportantcode', 'question', $returnurl, 'wizard form definition');
} else {
$mform = $QTYPES[$question->qtype]->next_wizard_form($submiturl, $question, $wizard);
}
} else {
$mform = $QTYPES[$question->qtype]->create_editing_form($submiturl, $question, $category->course);
}
if ($mform === null) {
print_error('missingimportantcode', 'question', $returnurl, 'question editing form definition');
}
$mform->set_defaults($question);
if ($mform->is_cancelled()){
redirect($returnurl);
} else if ($data = $mform->data_submitted()){
if (!empty($data->makecopy)) {
$question->id = 0; // causes a new question to be created.
$question->hidden = 0; // Copies should not be hidden
}
$question = $QTYPES[$qtype]->save_question($question, $data, $COURSE);
if ($QTYPES[$qtype]->finished_edit_wizard($question)){
if (optional_param('inpopup', 0, PARAM_BOOL)) {
notify(get_string('changessaved'), '');
close_window(3);
} else {
redirect($SESSION->returnurl);
}
die;
} else {
redirect($submiturl.'&wizard='.$data->wizardpage);
}
} else {
// Display the question editing form
$streditingquestion = get_string('editingquestion', 'question');
if (isset($SESSION->modform->instance)) {
// TODO: remove restriction to quiz
$strediting = '' . get_string('editingquiz', 'quiz') . ' -> '.
$streditingquestion;
} else {
$strediting = ''.
get_string("editquestions", "quiz").' -> '.$streditingquestion;
}
print_header_simple($streditingquestion, '', $strediting);
if (isset($mform->heading)){
print $mform->heading;
} else {
print_heading_with_help(get_string("editing".$question->qtype, "quiz"), $question->qtype, "quiz");
}
$mform->display();
print_footer($COURSE);
}
?>