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edit.php
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edit.php
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<?php // $Id$
require_once("../../config.php");
require_once("lib.php");
require_login();
optional_variable($courseid);
if (empty($destination)) {
$destination = "";
}
$modform = data_submitted($destination);
if ($modform and !empty($modform->course)) { // form submitted from mod.html
$modform->name = trim($modform->name);
if (empty($modform->name)) {
if (empty($modform->intro)) {
$modform->name = get_string('modulename', 'quiz');
} else {
$modform->name = strip_tags($modform->intro);
}
}
$SESSION->modform = $modform; // Save the form in the current session
} else if ($courseid) { // Page retrieve through "Edit Questions" link - no quiz selected
$modform->course = $courseid;
unset($modform->instance);
$SESSION->modform = $modform; // Save the form in the current session
} else {
if (!isset($SESSION->modform)) {
error("You have used this page incorrectly!");
}
$modform = $SESSION->modform;
}
if (! $course = get_record("course", "id", $modform->course)) {
error("This course doesn't exist");
}
require_login($course->id);
if (!isteacheredit($course->id)) {
error("You can't modify this course!");
}
if (isset($modform->instance)
&& empty($modform->grades)) // Construct an array to hold all the grades.
{
$modform->grades = quiz_get_all_question_grades($modform->questions, $modform->instance);
}
// Now, check for commands on this page and modify variables as necessary
if (!empty($up)) { /// Move the given question up a slot
$questions = explode(",", $modform->questions);
if ($questions[0] <> $up) {
foreach ($questions as $key => $question) {
if ($up == $question) {
$swap = $questions[$key-1];
$questions[$key-1] = $question;
$questions[$key] = $swap;
break;
}
}
$modform->questions = implode(",", $questions);
}
}
if (!empty($down)) { /// Move the given question down a slot
$questions = explode(",", $modform->questions);
if ($questions[count($questions)-1] <> $down) {
foreach ($questions as $key => $question) {
if ($down == $question) {
$swap = $questions[$key+1];
$questions[$key+1] = $question;
$questions[$key] = $swap;
break;
}
}
$modform->questions = implode(",", $questions);
}
}
if (!empty($add)) { /// Add a question to the current quiz
$rawquestions = $_POST;
if (!empty($modform->questions)) {
$questions = explode(",", $modform->questions);
}
foreach ($rawquestions as $key => $value) { // Parse input for question ids
if (substr($key, 0, 1) == "q") {
$key = substr($key,1);
if (!empty($questions)) {
foreach ($questions as $question) {
if ($question == $key) {
continue 2;
}
}
}
$questions[] = $key;
$questionrecord = get_record("quiz_questions", "id", $key);
if (!empty($questionrecord->defaultgrade)) {
$modform->grades[$key] = $questionrecord->defaultgrade;
} else if ($questionrecord->qtype == DESCRIPTION){
$modform->grades[$key] = 0;
} else {
$modform->grades[$key] = 1;
}
}
}
if (!empty($questions)) {
$modform->questions = implode(",", $questions);
} else {
$modform->questions = "";
}
}
if (!empty($delete)) { /// Delete a question from the list
$questions = explode(",", $modform->questions);
foreach ($questions as $key => $question) {
if ($question == $delete) {
unset($questions[$key]);
unset($modform->grades[$question]);
}
}
$modform->questions = implode(",", $questions);
}
if (!empty($setgrades)) { /// The grades have been updated, so update our internal list
$rawgrades = $_POST;
unset($modform->grades);
foreach ($rawgrades as $key => $value) { // Parse input for question -> grades
if (substr($key, 0, 1) == "q") {
$key = substr($key,1);
$modform->grades[$key] = $value;
}
}
}
if (!empty($cat)) { //-----------------------------------------------------------
$modform->category = $cat;
}
if (empty($modform->category)) {
$modform->category = "";
}
$modform->sumgrades = 0;
if (!empty($modform->grades)) {
foreach ($modform->grades as $grade) {
$modform->sumgrades += $grade;
}
}
$SESSION->modform = $modform;
$strname = get_string('name');
$strquizzes = get_string('modulenameplural', 'quiz');
$strediting = get_string(isset($modform->instance) ? "editingquiz" : "editquestions", "quiz");
$strheading = empty($modform->name) ? $strediting : $modform->name;
// Print basic page layout.
if (!isset($modform->instance)) {
print_header_simple($strediting, '',
"<a href=\"index.php?id=$course->id\">$strquizzes</a>".
" -> $strediting");
echo '<table align="center" border="0" cellpadding="2" cellspacing="0">';
echo '<tr><td valign="top">';
} else {
print_header_simple($strediting, '',
"<a href=\"index.php?id=$course->id\">$strquizzes</a>".
" -> <a href=\"view.php?q=$modform->instance\">$modform->name</a>".
" -> $strediting");
echo '<table border="0" width="100%" cellpadding="2" cellspacing="0">';
echo '<tr><td width="50%" valign="top">';
print_simple_box_start("center", "100%", $THEME->cellcontent2);
print_heading($modform->name);
quiz_print_question_list($modform->questions, $modform->grades);
?>
<center>
<p> </p>
<?php
if ($attemptcount = count_records_select("quiz_attempts", "quiz = '$modform->instance' AND timefinish > 0")) {
$strviewallanswers = get_string("viewallanswers","quiz",$attemptcount);
$strattemptsexist = get_string("attemptsexist","quiz");
$usercount = count_records("quiz_grades", "quiz", "$modform->instance");
$strusers = get_string("users");
if (! $cm = get_coursemodule_from_instance("quiz", $modform->instance, $course->id)) {
error("Course Module ID was incorrect");
}
notify("$strattemptsexist<br /><a href=\"report.php?id=$cm->id\">$strviewallanswers ($usercount $strusers)</a>");
}
?>
<form name="theform" method="post" action=<?php echo $modform->destination ?>>
<input type="hidden" name="course" value="<?php p($modform->course) ?>" />
<input type="submit" value="<?php print_string("savequiz", "quiz") ?>" />
<input type="submit" name="cancel" value="<?php print_string("cancel") ?>" />
</form>
</center>
<?php
print_simple_box_end();
echo '</td><td valign="top" width="50%">';
}
print_simple_box_start("center", "100%", $THEME->cellcontent2);
quiz_print_category_form($course, $modform->category);
print_simple_box_end();
print_spacer(5,1);
print_simple_box_start("center", "100%", $THEME->cellcontent2);
quiz_print_cat_question_list($modform->category,
isset($modform->instance));
print_simple_box_end();
echo '</td></tr>';
echo '</table>';
if (!isset($modform->instance)) {
print_continue("index.php?id=$modform->course");
}
print_footer($course);
?>