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Now shows correct answers, plus some small bug fixes

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moodler
2002-10-20 05:35:25 +00:00
parent c1d5710174
commit 8db3eaddb2
3 changed files with 79 additions and 11 deletions
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mod/quiz/attempt.php
+3 -1
View File
@@ -115,7 +115,9 @@
}
if (! $attempt = quiz_save_attempt($quiz, $questions, $result, $numattempts)) {
error("Sorry! Could not save your attempt!");
notice(get_string("alreadysubmitted", "quiz"), "view.php?id=$cm->id");
print_footer($course);
exit;
}
if (! quiz_save_best_grade($quiz, $USER)) {
mod/quiz/lib.php
+69 -10
View File
@@ -16,9 +16,11 @@ $QUIZ_GRADE_METHOD = array ( GRADEHIGHEST => get_string("gradehighest", "quiz"),
define("SHORTANSWER", "1");
define("TRUEFALSE", "2");
define("MULTICHOICE", "3");
define("RANDOM", "4");
$QUIZ_QUESTION_TYPE = array ( MULTICHOICE => get_string("multichoice", "quiz"),
TRUEFALSE => get_string("truefalse", "quiz"),
SHORTANSWER => get_string("shortanswer", "quiz") );
SHORTANSWER => get_string("shortanswer", "quiz"),
RANDOM => get_string("random", "quiz") );
@@ -213,12 +215,19 @@ function quiz_print_comment($text) {
echo "<FONT COLOR=\"$THEME->cellheading2\">".text_to_html($text, true, false)."</FONT>";
}
function quiz_print_correctanswer($text) {
global $THEME;
echo "<P ALIGN=RIGHT><SPAN CLASS=highlight>$text</SPAN></P>";
}
function quiz_print_question($number, $questionid, $grade, $courseid,
$feedback=NULL, $response=NULL, $actualgrade=NULL) {
$feedback=NULL, $response=NULL, $actualgrade=NULL, $correct=NULL) {
/// Prints a quiz question, any format
global $THEME;
$comment = $THEME->cellheading2;
$green = "#AAFFAA";
if (!$question = get_record("quiz_questions", "id", $questionid)) {
notify("Error: Question not found!");
@@ -253,6 +262,10 @@ function quiz_print_question($number, $questionid, $grade, $courseid,
if ($feedback) {
quiz_print_comment("<P ALIGN=right>$feedback[0]</P>");
}
if ($correct) {
$correctanswers = implode(",", $correct);
quiz_print_correctanswer($correctanswers);
}
break;
case TRUEFALSE:
@@ -283,10 +296,20 @@ function quiz_print_question($number, $questionid, $grade, $courseid,
$falsechecked = "CHECKED";
$feedbackid = $false->id;
}
echo "<P ALIGN=RIGHT>$stranswer:&nbsp;&nbsp;";
if ($correct) {
if ($correct[$true->id]) {
$truecorrect = "CLASS=highlight";
}
if ($correct[$false->id]) {
$falsecorrect = "CLASS=highlight";
}
}
echo "<TABLE ALIGN=right cellpadding=5><TR><TD align=right>$stranswer:&nbsp;&nbsp;";
echo "<TD $truecorrect>";
echo "<INPUT $truechecked TYPE=RADIO NAME=\"q$question->id\" VALUE=\"$true->id\">$true->answer";
echo "&nbsp;&nbsp;&nbsp;";
echo "</TD><TD $falsecorrect>";
echo "<INPUT $falsechecked TYPE=RADIO NAME=\"q$question->id\" VALUE=\"$false->id\">$false->answer</P>";
echo "</TD></TR></TABLE><BR CLEAR=ALL>";
if ($feedback) {
quiz_print_comment("<P ALIGN=right>$feedback[$feedbackid]</P>");
}
@@ -325,7 +348,11 @@ function quiz_print_question($number, $questionid, $grade, $courseid,
echo "<INPUT $checked TYPE=CHECKBOX NAME=q$question->id"."a$answer->id VALUE=\"$answer->id\">";
}
echo "</TD>";
echo "<TD valign=top>$qnum. $answer->answer</TD>";
if ($feedback and $correct[$answer->id]) {
echo "<TD valign=top CLASS=highlight>$qnum. $answer->answer</TD>";
} else {
echo "<TD valign=top>$qnum. $answer->answer</TD>";
}
if ($feedback) {
echo "<TD valign=top>&nbsp;";
if ($response[$answerid]) {
@@ -339,6 +366,11 @@ function quiz_print_question($number, $questionid, $grade, $courseid,
echo "</TABLE>";
break;
case RANDOM:
echo "<P>Random questions not supported yet</P>";
break;
default:
notify("Error: Unknown question type!");
}
@@ -365,14 +397,22 @@ function quiz_print_quiz_questions($quiz, $results=NULL) {
echo "<INPUT TYPE=hidden NAME=q VALUE=\"$quiz->id\">";
foreach ($questions as $key => $questionid) {
$feedback = NULL;
$response = NULL;
$actualgrades = NULL;
$correct = NULL;
if ($results) {
$feedback = $results->feedback[$questionid];
} else {
$feedback = NULL;
$feedback = $results->feedback[$questionid];
$response = $results->response[$questionid];
$actualgrades = $results->grades[$questionid];
if ($quiz->correctanswers) {
$correct = $results->correct[$questionid];
}
}
print_simple_box_start("CENTER", "90%");
quiz_print_question($key+1, $questionid, $grades[$questionid]->grade, $quiz->course,
$results->feedback[$questionid], $results->response[$questionid], $results->grades[$questionid]);
$feedback, $response, $actualgrades, $correct);
print_simple_box_end();
echo "<BR>";
}
@@ -738,6 +778,10 @@ function quiz_get_answers($question) {
AND mc.question = g.question");
break;
case RANDOM:
return false; // Not done yet
break;
default:
return false;
}
@@ -843,6 +887,7 @@ function quiz_grade_attempt_results($quiz, $questions) {
/// $result->grades[] (array of grades, indexed by question id)
/// $result->response[] (array of response arrays, indexed by question id)
/// $result->feedback[] (array of feedback arrays, indexed by question id)
/// $result->correct[] (array of feedback arrays, indexed by question id)
if (!$questions) {
error("No questions!");
@@ -856,6 +901,7 @@ function quiz_grade_attempt_results($quiz, $questions) {
}
$grade = 0; // default
$correct = array();
$feedback = array();
$response = array();
@@ -868,6 +914,9 @@ function quiz_grade_attempt_results($quiz, $questions) {
}
$response[0] = $question->answer;
foreach($answers as $answer) { // There might be multiple right answers
if ($answer->fraction > $bestshortanswer) {
$correct[$answer->id] = $answer->answer;
}
if (!$answer->usecase) { // Don't compare case
$answer->answer = strtolower($answer->answer);
$question->answer = strtolower($question->answer);
@@ -875,7 +924,6 @@ function quiz_grade_attempt_results($quiz, $questions) {
if ($question->answer == $answer->answer) {
$feedback[0] = $answer->feedback;
$grade = (float)$answer->fraction * $answer->grade;
continue;
}
}
break;
@@ -889,6 +937,9 @@ function quiz_grade_attempt_results($quiz, $questions) {
}
foreach($answers as $answer) { // There should be two answers (true and false)
$feedback[$answer->id] = $answer->feedback;
if ($answer->fraction > 0) {
$correct[$answer->id] = true;
}
if ($question->answer == $answer->id) {
$grade = (float)$answer->fraction * $answer->grade;
$response[$answer->id] = true;
@@ -900,6 +951,10 @@ function quiz_grade_attempt_results($quiz, $questions) {
case MULTICHOICE:
foreach($answers as $answer) { // There will be multiple answers, perhaps more than one is right
$feedback[$answer->id] = $answer->feedback;
if ($answer->fraction > 0) {
$correct[$answer->id] = true;
}
$correct[$answer->id] = $answer->fraction; // 0 or 1
if ($question->answer) {
foreach ($question->answer as $questionanswer) {
if ($questionanswer == $answer->id) {
@@ -916,6 +971,9 @@ function quiz_grade_attempt_results($quiz, $questions) {
}
}
break;
case RANDOM:
// Not done yet
break;
}
@@ -927,6 +985,7 @@ function quiz_grade_attempt_results($quiz, $questions) {
$result->sumgrades += $grade;
$result->feedback[$question->id] = $feedback;
$result->response[$question->id] = $response;
$result->correct[$question->id] = $correct;
}
$fraction = (float)($result->sumgrades / $quiz->sumgrades);
mod/quiz/question.php
+7
View File
@@ -162,6 +162,9 @@
error("Could not insert quiz multichoice options!");
}
break;
case RANDOM:
echo "<P>Not supported yet</P>";
break;
default:
error("Non-existent question type!");
break;
@@ -237,6 +240,10 @@
print_heading(get_string("editingmultichoice", "quiz"));
require("multichoice.html");
break;
case RANDOM:
print_heading("Not supported yet");
print_continue("edit.php");
break;
default:
error("Invalid question type");