changes to allow JQuiz in mobile format
This commit is contained in:
gbateson
+176
-45
@@ -185,6 +185,8 @@ function hotpot_get_next_cm(&$cm) {
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function hotpot_set_attempt_details(&$attempt) {
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global $CFG, $HOTPOT_QUIZTYPE;
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// optional_param('showallquestions', 0, PARAM_INT);
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$attempt->details = '';
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$attempt->score = 0;
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$attempt->status = HOTPOT_STATUS_COMPLETED;
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@@ -211,12 +213,67 @@ function hotpot_set_attempt_details(&$attempt) {
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//
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}
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// special flag to detect jquiz multiselect
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$is_jquiz_multiselect = false;
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// set maximum question number
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$q_max = 0;;
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do {
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switch ($quiztype) {
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case HOTPOT_JCLOZE:
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case HOTPOT_JQUIZ:
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$field="q{$q_max}_a0_text";
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break;
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case HOTPOT_JCB:
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case HOTPOT_JCROSS:
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case HOTPOT_JMATCH:
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case HOTPOT_JMIX:
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default:
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$field = '';
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}
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} while ($field && isset($_POST[$field]) && ($q_max = $q_max+1));
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// check JQuiz navigation buttons
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switch (true) {
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case isset($_POST['ShowAllQuestionsButton']):
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$_POST['ShowAllQuestions'] = 1;
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break;
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case isset($_POST['ShowOneByOneButton']):
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$_POST['ShowAllQuestions'] = 0;
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break;
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case isset($_POST['PrevQButton']):
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$_POST['ThisQuestion']--;
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break;
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case isset($_POST['NextQButton']):
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$_POST['ThisQuestion']++;
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break;
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}
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$q = 0;
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while (($responsefield="q{$q}") && isset($_POST[$responsefield])) {
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$responsevalue = optional_param($responsefield, '');
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while ($q<$q_max) {
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$responsefield="q{$q}";
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$questiontype = optional_param("{$responsefield}_questiontype", 0, PARAM_INT);
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$is_jquiz_multiselect = ($quiztype==HOTPOT_JQUIZ && $questiontype==HOTPOT_JQUIZ_MULTISELECT);
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if (isset($_POST[$responsefield]) && is_array($_POST[$responsefield])) {
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$responsevalue = array();
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foreach ($_POST[$responsefield] as $key=>$value) {
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$responsevalue[$key] = clean_param($value, PARAM_CLEAN);
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}
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} else {
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$responsevalue = optional_param($responsefield, '');
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}
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if (is_array($responsevalue)) {
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// incomplete jquiz multi-select
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$responsevalues = $responsevalue;
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$responsevalue = implode('+', $responsevalue);
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} else {
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$responsevalues = explode('+', $responsevalue);
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}
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// initialize $response object
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$response = NULL;
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$response = new stdClass();
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$response->correct = array();
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$response->wrong = array();
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$response->ignored = array();
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@@ -224,10 +281,10 @@ function hotpot_set_attempt_details(&$attempt) {
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$response->hints = 0;
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$response->checks = 0;
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$response->score = 0;
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$response->weighting = 0;
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$response->weighting = 0;
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// create another empty object to hold all previous responses (from database)
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$oldresponse = NULL;
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$oldresponse = new stdClass();
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$vars = get_object_vars($response);
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foreach($vars as $name=>$value) {
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$oldresponse->$name = $value;
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@@ -244,12 +301,20 @@ function hotpot_set_attempt_details(&$attempt) {
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// loop through possible answers to this question
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$firstcorrectvalue = '';
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$percents = array();
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$a = 0;
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while (($valuefield="q{$q}_a{$a}_text") && isset($_POST[$valuefield])) {
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$value = optional_param($valuefield, '', PARAM_RAW);
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if (($percentfield="q{$q}_a{$a}_percent") && isset($_POST[$percentfield])) {
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$percent = optional_param($percentfield, 0, PARAM_INT);
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if ($percent) {
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$percents[$value] = $percent;
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}
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}
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if (($correctfield="q{$q}_a{$a}_correct") && isset($_POST[$correctfield])) {
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$correct = optional_param($correctfield, '', PARAM_INT);
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$correct = optional_param($correctfield, 0, PARAM_INT);
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} else {
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$correct = false;
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}
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@@ -258,53 +323,91 @@ function hotpot_set_attempt_details(&$attempt) {
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$firstcorrectvalue = $value;
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}
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if ($responsevalue==$value) {
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if ($is_jquiz_multiselect) {
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$selected = in_array($value, $responsevalues);
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if ($correct) {
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$response->correct[] = $value;
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if (empty($selected)) {
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$response->wrong[] = true;
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}
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} else {
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$response->wrong[] = $value;
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if ($selected) {
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$response->wrong[] = true;
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}
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}
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} else {
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$response->ignored[] = $value;
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// single answer only required
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if ($responsevalue==$value) {
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if ($correct) {
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$response->correct[] = $value;
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} else {
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$response->wrong[] = $value;
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}
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} else {
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$response->ignored[] = $value;
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}
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}
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$a++;
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}
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// if response did not match any answer, then this response is wrong
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if (empty($response->correct) && empty($response->wrong)) {
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$response->wrong[] = $responsevalue;
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// number of answers for this question
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$a_max = $a;
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if ($is_jquiz_multiselect) {
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if (empty($response->wrong) && count($responsevalues)==count($response->correct)) {
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$response->wrong = array();
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$response->correct = array($responsevalue);
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} else {
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$response->correct = array();
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$response->wrong = array($responsevalue);
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}
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} else {
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// if response did not match any answer, then this response is wrong
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if (empty($response->correct) && empty($response->wrong)) {
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$response->wrong[] = $responsevalue;
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}
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}
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// if this question has not been answered correctly, quiz is still in progress
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if (empty($response->correct)) {
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$attempt->status = HOTPOT_STATUS_INPROGRESS;
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// give a hint, if necessary
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if (isset($_POST['HintButton']) && $firstcorrectvalue) {
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// make sure we only come through here once
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unset($_POST['HintButton']);
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$correctlen = strlen($firstcorrectvalue);
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$responselen = strlen($responsevalue);
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// check how many letters are the same
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$i = 0;
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while ($i<$responselen && $i<$correctlen && $responsevalue{$i}==$firstcorrectvalue{$i}) {
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$i++;
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if (isset($_POST["q{$q}_ShowAnswers_button"])) {
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$_POST[$responsefield] = $firstcorrectvalue;
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} else {
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$attempt->status = HOTPOT_STATUS_INPROGRESS;
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if (isset($_POST["q{$q}_Hint_button"])) {
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// a particular hint button in JQuiz shortanswer
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$_POST['HintButton'] = true;
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}
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if ($i<$responselen) {
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// remove incorrect characters on the end of the response
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$responsevalue = substr($responsevalue, 0, $i);
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}
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if ($i<$correctlen) {
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// append next correct letter
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$responsevalue .= $firstcorrectvalue{$i};
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}
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$_POST[$responsefield] = $responsevalue;
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$response->hints++;
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} // end if hint
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// give a hint, if necessary
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if (isset($_POST['HintButton']) && $firstcorrectvalue) {
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// make sure we only come through here once
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unset($_POST['HintButton']);
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$correctlen = strlen($firstcorrectvalue);
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$responselen = strlen($responsevalue);
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// check how many letters are the same
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$i = 0;
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while ($i<$responselen && $i<$correctlen && $responsevalue{$i}==$firstcorrectvalue{$i}) {
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$i++;
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}
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if ($i<$responselen) {
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// remove incorrect characters on the end of the response
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$responsevalue = substr($responsevalue, 0, $i);
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}
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if ($i<$correctlen) {
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// append next correct letter
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$responsevalue .= $firstcorrectvalue{$i};
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}
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$_POST[$responsefield] = $responsevalue;
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$response->hints++;
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} // end if hint
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}
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} // end if not correct
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// get clue text, if any
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@@ -315,7 +418,8 @@ function hotpot_set_attempt_details(&$attempt) {
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// get question name
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$qq = sprintf('%02d', $q); // (a padded, two-digit version of $q)
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if (($field="q{$q}_name") && isset($_POST[$field])) {
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$questionname = optional_param($field, '', PARAM_RAW);
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$questionname = optional_param($field, '', PARAM_RAW);
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$questionname = strip_tags($questionname);
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} else {
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$questionname = $qq;
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}
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@@ -332,7 +436,7 @@ function hotpot_set_attempt_details(&$attempt) {
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a.clickreportid = $attempt->clickreportid AND
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a.id = r.attempt AND
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r.question = q.id AND
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q.name = $questionname AND
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q.name = '$questionname' AND
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q.hotpot = $attempt->hotpot
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ORDER BY
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a.timefinish
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@@ -399,10 +503,39 @@ function hotpot_set_attempt_details(&$attempt) {
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case HOTPOT_JMIX:
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break;
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case HOTPOT_JQUIZ:
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switch ($questiontype) {
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case HOTPOT_JQUIZ_MULTICHOICE:
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$wrong = explode(',', $response->wrong);
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foreach ($wrong as $value) {
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if (isset($percents[$value])) {
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$percent = $percents[$value];
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} else {
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$percent = 0;
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}
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}
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case HOTPOT_JQUIZ_SHORTANSWER:
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$strlen = strlen($response->correct);
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$response->score = 100*($strlen-($response->checks-1))/$strlen;
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break;
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case HOTPOT_JQUIZ_MULTISELECT:
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if (isset($percents[$response->correct])) {
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$percent = $percents[$response->correct];
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} else {
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$percent = 0;
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}
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if ($a_max>0 && $response->checks>0 && $a_max>$response->checks) {
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$response->score = $percent*($a_max-($response->checks-1))/$a_max;
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}
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break;
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}
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$attempt->score += $response->score;
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break;
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}
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}
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$fieldname = $HOTPOT_QUIZTYPE[$quiztype]."_q{$qq}_name";
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$attempt->details .= "<field><fieldname>$fieldname</fieldname><fielddata>$questionname</fielddata></field>";
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// encode $response fields as XML
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$vars = get_object_vars($response);
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foreach($vars as $name=>$value) {
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@@ -438,10 +571,8 @@ function hotpot_set_attempt_details(&$attempt) {
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$attempt->details = '<?xml version="1.0"?><hpjsresult><fields>'.$attempt->details.'</fields></hpjsresult>';
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}
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// check there are no unattempted questions
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if (($field="I_{$q}_correct_0") && isset($_POST[$field])) {
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$attempt->status = HOTPOT_STATUS_INPROGRESS;
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}
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// print "forcing status to in progress ..<br>\n";
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// $attempt->status = HOTPOT_STATUS_INPROGRESS;
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}
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?>
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