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Matching question would fill in the right answer after an incorrect attempt.

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This commit is contained in:
tjhunt 2006-08-04 12:28:39 +00:00
parent cbfad05c86
commit 0b4ce29d8d
1 changed files with 13 additions and 9 deletions
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22
question/type/match/questiontype.php
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@ -235,6 +235,7 @@ class question_match_qtype extends default_questiontype {
$correctanswers = $this->get_correct_responses($question, $state);
$nameprefix = $question->name_prefix;
$answers = array();
$allanswers = array();
$answerids = array();
$responses = &$state->responses;
@ -242,23 +243,26 @@ class question_match_qtype extends default_questiontype {
$formatoptions->noclean = true;
$formatoptions->para = false;
// Prepare a list of answers, removing duplicates, and fix up the ids
// of any responses that point the the eliminated duplicates.
// Prepare a list of answers, removing duplicates.
foreach ($subquestions as $subquestion) {
foreach ($subquestion->options->answers as $ans) {
$allanswers[$ans->id] = $ans->answer;
if (!in_array($ans->answer, $answers)) {
$answers[$ans->id] = $ans->answer;
$answerids[$ans->answer] = $ans->id;
} else {
if (array_key_exists($subquestion->id, $responses) && $responses[$subquestion->id]) {
$responses[$subquestion->id] = $answerids[$ans->answer];
}
if (array_key_exists($subquestion->id, $correctanswers)) {
$correctanswers[$subquestion->id] = $answerids[$ans->answer];
}
}
}
}
// Fix up the ids of any responses that point the the eliminated duplicates.
foreach ($responses as $subquestionid => $ignored) {
if ($responses[$subquestionid]) {
$responses[$subquestionid] = $answerids[$allanswers[$responses[$subquestionid]]];
}
}
foreach ($correctanswers as $subquestionid => $ignored) {
$correctanswers[$subquestionid] = $answerids[$allanswers[$correctanswers[$subquestionid]]];
}
// Shuffle the answers
$answers = draw_rand_array($answers, count($answers));