quiz = $quiz; $this->qmsubselect = $qmsubselect; $this->groupstudents = $groupstudents; $this->students = $students; $this->questions = $questions; $this->candelete = $candelete; $this->reporturl = $reporturl; $this->displayoptions = $displayoptions; } function build_table(){ if ($this->rawdata) { $this->strtimeformat = str_replace(',', ' ', get_string('strftimedatetime')); parent::build_table(); } } function wrap_html_start(){ if (!$this->is_downloading()) { if ($this->candelete) { // Start form $displayurl = new moodle_url($this->reporturl, $this->displayoptions); $strreallydel = addslashes_js(get_string('deleteattemptcheck','quiz')); echo '

'; echo '

'; echo ''; echo '

'; } } } function wrap_html_finish(){ if (!$this->is_downloading()) { // Print "Select all" etc. if ($this->candelete) { echo '

'; echo ''. get_string('selectall', 'quiz').' / '; echo ''. get_string('selectnone', 'quiz').' '; echo ' '; echo ''; echo '

'; // Close form echo '

'; echo '

'; } } } function col_checkbox($attempt){ if ($attempt->attempt){ return ''; } else { return ''; } } function col_picture($attempt){ global $COURSE, $OUTPUT; $user = new object(); $user->id = $attempt->userid; $user->lastname = $attempt->lastname; $user->firstname = $attempt->firstname; $user->imagealt = $attempt->imagealt; $user->picture = $attempt->picture; return $OUTPUT->user_picture($user); } function col_timestart($attempt){ if ($attempt->attempt) { $startdate = userdate($attempt->timestart, $this->strtimeformat); if (!$this->is_downloading()) { return ''.$startdate.''; } else { return $startdate; } } else { return '-'; } } function col_timefinish($attempt){ if ($attempt->attempt) { if ($attempt->timefinish) { $timefinish = userdate($attempt->timefinish, $this->strtimeformat); if (!$this->is_downloading()) { return ''.$timefinish.''; } else { return $timefinish; } } else { return '-'; } } else { return '-'; } } function col_duration($attempt){ if ($attempt->timefinish) { return format_time($attempt->duration); } elseif ($attempt->timestart) { return get_string('unfinished', 'quiz'); } else { return '-'; } } function col_sumgrades($attempt){ if ($attempt->timefinish) { $grade = quiz_rescale_grade($attempt->sumgrades, $this->quiz); if (!$this->is_downloading()) { $gradehtml = ''.$grade.''; if ($this->qmsubselect && $attempt->gradedattempt){ $gradehtml = '

'.$gradehtml.'

'; } return $gradehtml; } else { return $grade; } } else { return '-'; } } function other_cols($colname, $attempt){ global $QTYPES, $OUTPUT; static $states =array(); if (preg_match('/^qsanswer([0-9]+)$/', $colname, $matches)){ if ($attempt->uniqueid == 0) { return '-'; } $questionid = $matches[1]; if (isset($this->gradedstatesbyattempt[$attempt->uniqueid][$questionid])){ $stateforqinattempt = $this->gradedstatesbyattempt[$attempt->uniqueid][$questionid]; } else { return '-'; } $question = $this->questions[$questionid]; restore_question_state($question, $stateforqinattempt); if (!$this->is_downloading() || $this->is_downloading() == 'xhtml'){ $formathtml = true; } else { $formathtml = false; } $summary = $QTYPES[$question->qtype]->response_summary($question, $stateforqinattempt, QUIZ_REPORT_RESPONSES_MAX_LEN_TO_DISPLAY, $formathtml); if (!$this->is_downloading()) { if ($summary){ $link = new moodle_url("/mod/quiz/reviewquestion.php?attempt=$attempt->attempt&question=$question->id"); $action = new popup_action('click', $link, 'reviewquestion', array('height' => 450, 'width' => 650)); $summary = $OUTPUT->action_link($link, $summary, $action, array('title'=>$question->formattedname)); if (question_state_is_graded($stateforqinattempt) && ($question->maxgrade > 0)){ $grade = $stateforqinattempt->grade / $question->maxgrade; $qclass = question_get_feedback_class($grade); $feedbackimg = question_get_feedback_image($grade); $questionclass = "que"; return "".$summary."$feedbackimg"; } else { return $summary; } } else { return ''; } } else { return $summary; } } else { return NULL; } } function col_feedbacktext($attempt){ if ($attempt->timefinish) { if (!$this->is_downloading()) { return quiz_report_feedback_for_grade(quiz_rescale_grade($attempt->sumgrades, $this->quiz, false), $this->quiz->id); } else { return strip_tags(quiz_report_feedback_for_grade(quiz_rescale_grade($attempt->sumgrades, $this->quiz, false), $this->quiz->id)); } } else { return '-'; } } function query_db($pagesize, $useinitialsbar=true){ // Add table joins so we can sort by question answer // unfortunately can't join all tables necessary to fetch all answers // to get the state for one question per attempt row we must join two tables // and there is a limit to how many joins you can have in one query. In MySQL it // is 61. This means that when having more than 29 questions the query will fail. // So we join just the tables needed to sort the attempts. if($sort = $this->get_sql_sort()) { $this->sql->from .= ' '; $sortparts = explode(',', $sort); $matches = array(); foreach($sortparts as $sortpart) { $sortpart = trim($sortpart); if (preg_match('/^qsanswer([0-9]+)/', $sortpart, $matches)){ $qid = intval($matches[1]); $this->sql->fields .= ", qs$qid.grade AS qsgrade$qid, qs$qid.answer AS qsanswer$qid, qs$qid.event AS qsevent$qid, qs$qid.id AS qsid$qid"; $this->sql->from .= "LEFT JOIN {question_sessions} qns$qid ON qns$qid.attemptid = qa.uniqueid AND qns$qid.questionid = :qid$qid "; $this->sql->from .= "LEFT JOIN {question_states} qs$qid ON qs$qid.id = qns$qid.newgraded "; $this->sql->params['qid'.$qid] = $qid; } } } parent::query_db($pagesize, $useinitialsbar); $qsfields = 'qs.id, qs.grade, qs.event, qs.question, qs.answer, qs.attempt'; if (!$this->is_downloading()) { $attemptids = array(); foreach ($this->rawdata as $attempt){ if ($attempt->uniqueid > 0){ $attemptids[] = $attempt->uniqueid; } } $this->gradedstatesbyattempt = quiz_get_newgraded_states($attemptids, true, $qsfields); } else { $this->gradedstatesbyattempt = quiz_get_newgraded_states($this->sql, true, $qsfields); } } }