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After doing a quiz that has been shuffled, present the feedback in the

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same order.  Note that shuffled ANSWERS may still appear reshuffled.

When viewing reports, all shuffling is switched off so that quizzes
always appear in the default order (for easier comparison).

Also a few tweaks, robustness etc
This commit is contained in:
moodler 2003-04-16 13:10:48 +00:00
parent 77cff58927
commit 96192c4459
3 changed files with 33 additions and 10 deletions
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8
mod/quiz/attempt.php
View File

@ -78,6 +78,8 @@
$rawanswers = (array)$rawanswers;
$shuffleorder = NULL;
unset($rawanswers["q"]); // quiz id
if (! count($rawanswers)) {
print_heading(get_string("noanswers", "quiz"));
@ -116,6 +118,8 @@
} else {
error("Answer received for non-existent question ($key)!");
}
} else if ($key == "shuffleorder") {
$shuffleorder = explode(",", $value); // Actual order questions were given in
}
}
@ -142,7 +146,9 @@
print_continue("view.php?id=$cm->id");
if ($quiz->feedback) {
quiz_print_quiz_questions($quiz, $result, $questions);
$quiz->shufflequestions = false;
$quiz->shuffleanswers = false;
quiz_print_quiz_questions($quiz, $result, $questions, $shuffleorder);
print_continue("view.php?id=$cm->id");
}

33
mod/quiz/lib.php
View File

@ -565,14 +565,16 @@ function quiz_print_question($number, $question, $grade, $courseid,
if (!$subquestions = get_records_list("quiz_match_sub", "id", $options->subquestions)) {
notify("Error: Missing subquestions for this question!");
}
if ($shuffleanswers) {
$subquestions = draw_rand_array($subquestions, count($subquestions));
if (!empty($question->questiontext)) {
echo text_to_html($question->questiontext);
}
echo text_to_html($question->questiontext);
if ($question->image) {
if (!empty($question->image)) {
print_file_picture($question->image, $courseid, QUIZ_PICTURE_DEFAULT_HEIGHT);
}
if ($shuffleanswers) {
$subquestions = draw_rand_array($subquestions, count($subquestions));
}
foreach ($subquestions as $subquestion) {
$answers[$subquestion->id] = $subquestion->answertext;
}
@ -711,7 +713,7 @@ function quiz_print_question($number, $question, $grade, $courseid,
function quiz_print_quiz_questions($quiz, $results=NULL, $questions=NULL) {
function quiz_print_quiz_questions($quiz, $results=NULL, $questions=NULL, $shuffleorder=NULL) {
// Prints a whole quiz on one page.
/// Get the questions
@ -727,7 +729,13 @@ function quiz_print_quiz_questions($quiz, $results=NULL, $questions=NULL) {
return false;
}
if (!empty($quiz->shufflequestions)) {
if ($shuffleorder) { // Order has been defined, so reorder questions
$oldquestions = $questions;
$questions = array();
foreach ($shuffleorder as $key) {
$questions[] = $oldquestions[$key]; // This loses the index key, but doesn't matter
}
} else if (!empty($quiz->shufflequestions)) { // Mix everything up
$questions = swapshuffle_assoc($questions);
}
}
@ -772,8 +780,11 @@ function quiz_print_quiz_questions($quiz, $results=NULL, $questions=NULL) {
echo "<INPUT TYPE=hidden NAME=q VALUE=\"$quiz->id\">";
$count = 0;
$questionorder = array();
foreach ($questions as $question) {
$count++;
$questionorder[] = $question->id;
$feedback = NULL;
$response = NULL;
@ -814,13 +825,17 @@ function quiz_print_quiz_questions($quiz, $results=NULL, $questions=NULL) {
$feedback, $response, $actualgrades, $correct,
$randomquestion, $quiz->shuffleanswers);
print_simple_box_end();
echo "<BR>";
echo "<br \>";
}
if (empty($results)) {
echo "<CENTER><INPUT TYPE=submit VALUE=\"".get_string("savemyanswers", "quiz")."\"></CENTER>";
if (!empty($quiz->shufflequestions)) { // Things have been mixed up, so pass the question order
$shuffleorder = implode(',', $questionorder);
echo "<input type=hidden name=shuffleorder value=\"$shuffleorder\">\n";
}
echo "<center><input type=submit value=\"".get_string("savemyanswers", "quiz")."\"></center>";
}
echo "</FORM>";
echo "</form>";
return true;
}

2
mod/quiz/report.php
View File

@ -126,6 +126,8 @@
$quiz->feedback = true;
$quiz->correctanswers = true;
$quiz->shuffleanswers = false;
$quiz->shufflequestions = false;
quiz_print_quiz_questions($quiz, $result, $questions);
if (empty($review)) {