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<?php // $Id: preview.php,v 1.1.2.2 2004/11/23 02:46:15 moodler Exp $
require_once("../../config.php");
require_once("lib.php");
require_once("$CFG->dirroot/files/mimetypes.php");
optional_variable($id); // question id
optional_variable($qtype);
optional_variable($category);
if ($id) {
if (! $question = get_record("quiz_questions", "id", $id)) {
error("This question doesn't exist");
}
if (!empty($category)) {
$question->category = $category;
}
if (! $category = get_record("quiz_categories", "id", $question->category)) {
error("This question doesn't belong to a valid category!");
}
if (! $course = get_record("course", "id", $category->course)) {
error("This question category doesn't belong to a valid course!");
}
$qtype = $question->qtype;
} else if ($category) {
if (! $category = get_record("quiz_categories", "id", $category)) {
error("This wasn't a valid category!");
}
if (! $course = get_record("course", "id", $category->course)) {
error("This category doesn't belong to a valid course!");
}
$question->category = $category->id;
$question->qtype = $qtype;
} else {
error("Must specify question id or category");
}
if (empty($qtype)) {
error("No question type was specified!");
} else if (!isset($QUIZ_QTYPES[$qtype])) {
error("Could not find specified question type");
}
require_login($course->id);
if (!isteacheredit($course->id)) {
error("You can't modify these questions!");
}
$strquizzes = get_string('modulenameplural', 'quiz');
$streditingquiz = get_string(isset($SESSION->modform->instance) ? "editingquiz" : "editquestions", "quiz");
$streditingquestion = get_string("editingquestion", "quiz");
print_header();
print_heading(get_string("previewquestion","quiz"));
if (empty($question->id)) {
$question->id = "";
}
if (empty($question->name)) {
$question->name = "";
}
if (empty($question->questiontext)) {
$question->questiontext = "";
}
if (empty($question->image)) {
$question->image = "";
}
if ($results && isset($results->details[$question->id])) {
$details = $results->details[$question->id];
} else {
$details = false;
}
if ($rawanswers = data_submitted()) {
$rawanswers = (array)$rawanswers;
$answers = array();
$feedbacks = array();
$qids = array();
$fraction = 0;
foreach ($rawanswers as $key => $value) { // Parse input for question->response
$postedId = quiz_extract_posted_id($key);
if ($id == $postedId) $question->response[$key] = trim($value);
}
print_simple_box_start("center", "90%");
//simulate quiz only for quiestion previews
class FakeQuiz {
var $correctanswers;
var $feedback;
var $grade;
function FakeQuiz() {
$this->correctanswers = 1;
$this->feedback = 1;
$this->grade = 1;
}
}
$question->maxgrade = 1; //this shouldn't be like that
$resultdetails = $QUIZ_QTYPES[$question->qtype]->grade_response($question, quiz_qtype_nameprefix($question));
$quiz = new FakeQuiz();
$QUIZ_QTYPES[$question->qtype]->print_question(1, $quiz, $question, true, $resultdetails);
print_simple_box_end();
echo "<p align=\"center\"><input name=\"backbtn\" type=\"button\"
onclick=\"history.back()\" value=\"".get_string("back", "quiz")."\" />\n";
echo "<input type=\"button\" onClick=\"window.close()\" value=\"" . get_string("close", "quiz") . "\" /></p>\n";
} else { //show question list
echo "<form method=\"post\" action=\"preview.php\" $onsubmit>\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />\n";
print_simple_box_start("center", "90%");
$nextquestionnumber = $QUIZ_QTYPES[$question->qtype]->print_question($nextquestionnumber, $quiz,
$question, $readonly, $resultdetails);
print_simple_box_end();
echo "<br />";
echo "<center>";
echo "<input name=\"submit\" type=\"submit\" value=\"".get_string("checkanswer", "quiz")."\" />\n";
echo "<input type=\"button\" onClick=\"window.close()\" value=\"" . get_string("close", "quiz") . "\" />";
echo "</center>";
echo "</form>";
}
?>
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