MDL-14203 "split report into two seperate reports - Quiz Statistics report and Individual Item Analysis report" checking this file in although it is not used yet. It is included in report.php.
This commit is contained in:
jamiesensei
@@ -0,0 +1,210 @@
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<?php // $Id$
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class quiz_report_statistics_table extends table_sql {
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var $useridfield = 'userid';
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var $candelete;
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var $reporturl;
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var $displayoptions;
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function quiz_report_statistics_table($quiz , $questions, $reporturl){
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parent::table_sql('mod-quiz-report-statistics-report');
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$this->quiz = $quiz;
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$this->questions = $questions;
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$this->reporturl = $reporturl;
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}
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function build_table(){
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global $CFG;
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if ($this->rawdata) {
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// Define some things we need later to process raw data from db.
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$this->strtimeformat = get_string('strftimedatetime');
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parent::build_table();
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//end of adding data from attempts data to table / download
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//now add averages at bottom of table :
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$averagesql = "SELECT AVG(qg.grade) AS grade " .
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"FROM {$CFG->prefix}quiz_grades qg " .
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"WHERE quiz=".$this->quiz->id;
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$this->add_separator();
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if ($this->is_downloading()){
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$namekey = 'lastname';
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} else {
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$namekey = 'fullname';
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}
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if ($this->groupstudents){
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$groupaveragesql = $averagesql." AND qg.userid IN ($this->groupstudents)";
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$groupaverage = get_record_sql($groupaveragesql);
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$groupaveragerow = array($namekey => get_string('groupavg', 'grades'),
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'sumgrades' => round($groupaverage->grade, $this->quiz->decimalpoints),
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'feedbacktext'=> strip_tags(quiz_report_feedback_for_grade($groupaverage->grade, $this->quiz->id)));
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if($this->detailedmarks && $this->qmsubselect) {
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$avggradebyq = quiz_get_average_grade_for_questions($this->quiz, $this->groupstudents);
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$groupaveragerow += quiz_format_average_grade_for_questions($avggradebyq, $this->questions, $this->quiz, $this->is_downloading());
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}
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$this->add_data_keyed($groupaveragerow);
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}
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$overallaverage = get_record_sql($averagesql." AND qg.userid IN ($this->students)");
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$overallaveragerow = array($namekey => get_string('overallaverage', 'grades'),
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'sumgrades' => round($overallaverage->grade, $this->quiz->decimalpoints),
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'feedbacktext'=> strip_tags(quiz_report_feedback_for_grade($overallaverage->grade, $this->quiz->id)));
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if($this->detailedmarks && $this->qmsubselect) {
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$avggradebyq = quiz_get_average_grade_for_questions($this->quiz, $this->students);
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$overallaveragerow += quiz_format_average_grade_for_questions($avggradebyq, $this->questions, $this->quiz, $this->is_downloading());
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}
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$this->add_data_keyed($overallaveragerow);
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}
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}
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function wrap_html_start(){
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if (!$this->is_downloading()) {
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if ($this->candelete) {
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// Start form
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$strreallydel = addslashes_js(get_string('deleteattemptcheck','quiz'));
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echo '<div id="tablecontainer">';
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echo '<form id="attemptsform" method="post" action="' . $this->reporturl->out(true) .
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'" onsubmit="confirm(\''.$strreallydel.'\');">';
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echo $this->reporturl->hidden_params_out(array(), 0, $this->displayoptions);
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echo '<div>';
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}
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}
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}
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function wrap_html_finish(){
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if (!$this->is_downloading()) {
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// Print "Select all" etc.
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if ($this->candelete) {
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echo '<table id="commands">';
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echo '<tr><td>';
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echo '<a href="javascript:select_all_in(\'DIV\',null,\'tablecontainer\');">'.
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get_string('selectall', 'quiz').'</a> / ';
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echo '<a href="javascript:deselect_all_in(\'DIV\',null,\'tablecontainer\');">'.
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get_string('selectnone', 'quiz').'</a> ';
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echo ' ';
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echo '<input type="submit" value="'.get_string('deleteselected', 'quiz_overview').'"/>';
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echo '</td></tr></table>';
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// Close form
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echo '</div>';
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echo '</form></div>';
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}
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}
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}
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function col_checkbox($attempt){
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if ($attempt->attempt){
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return '<input type="checkbox" name="attemptid[]" value="'.$attempt->attempt.'" />';
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} else {
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return '';
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}
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}
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function col_picture($attempt){
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global $COURSE;
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return print_user_picture($attempt->userid, $COURSE->id, $attempt->picture, false, true);
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}
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function col_timestart($attempt){
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if ($attempt->attempt) {
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$startdate = userdate($attempt->timestart, $this->strtimeformat);
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if (!$this->is_downloading()) {
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return '<a href="review.php?q='.$this->quiz->id.'&attempt='.$attempt->attempt.'">'.$startdate.'</a>';
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} else {
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return $startdate;
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}
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} else {
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return '-';
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}
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}
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function col_timefinish($attempt){
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if ($attempt->attempt) {
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if ($attempt->timefinish) {
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$timefinish = userdate($attempt->timefinish, $this->strtimeformat);
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if (!$this->is_downloading()) {
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return '<a href="review.php?q='.$this->quiz->id.'&attempt='.$attempt->attempt.'">'.$timefinish.'</a>';
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} else {
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return $timefinish;
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}
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} else {
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return '-';
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}
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} else {
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return '-';
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}
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}
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function col_duration($attempt){
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if ($attempt->timefinish) {
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return format_time($attempt->duration);
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} elseif ($attempt->timestart) {
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return get_string('unfinished', 'quiz');
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} else {
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return '-';
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}
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}
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function col_sumgrades($attempt){
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if ($attempt->timefinish) {
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$grade = quiz_rescale_grade($attempt->sumgrades, $this->quiz);
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if (!$this->is_downloading()) {
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$gradehtml = '<a href="review.php?q='.$this->quiz->id.'&attempt='.$attempt->attempt.'">'.$grade.'</a>';
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if ($this->qmsubselect && $attempt->gradedattempt){
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$gradehtml = '<div class="highlight">'.$gradehtml.'</div>';
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}
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return $gradehtml;
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} else {
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return $grade;
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}
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} else {
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return '-';
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}
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}
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function other_cols($colname, $attempt){
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static $gradedstatesbyattempt = null;
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if ($gradedstatesbyattempt === null){
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//get all the attempt ids we want to display on this page
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//or to export for download.
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$attemptids = array();
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foreach ($this->rawdata as $attempt){
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if ($attempt->attemptuniqueid > 0){
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$attemptids[] = $attempt->attemptuniqueid;
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}
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}
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$gradedstatesbyattempt = quiz_get_newgraded_states($attemptids, true, 'qs.id, qs.grade, qs.event, qs.question, qs.attempt');
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}
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if (preg_match('/^qsgrade([0-9]+)$/', $colname, $matches)){
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$questionid = $matches[1];
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$question = $this->questions[$questionid];
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$stateforqinattempt = $gradedstatesbyattempt[$attempt->attemptuniqueid][$questionid];
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if (question_state_is_graded($stateforqinattempt)) {
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$grade = quiz_rescale_grade($stateforqinattempt->grade, $this->quiz);
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} else {
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$grade = '--';
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}
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if (!$this->is_downloading()) {
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$grade = $grade.'/'.quiz_rescale_grade($question->grade, $this->quiz);
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return link_to_popup_window('/mod/quiz/reviewquestion.php?state='.
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$stateforqinattempt->id.'&number='.$question->number,
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'reviewquestion', $grade, 450, 650, get_string('reviewresponse', 'quiz'),
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'none', true);
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} else {
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return $grade;
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}
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} else {
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return NULL;
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}
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}
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function col_feedbacktext($attempt){
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if ($attempt->timefinish) {
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if (!$this->is_downloading()) {
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return quiz_report_feedback_for_grade(quiz_rescale_grade($attempt->sumgrades, $this->quiz), $this->quiz->id);
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} else {
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return strip_tags(quiz_report_feedback_for_grade(quiz_rescale_grade($attempt->sumgrades, $this->quiz), $this->quiz->id));
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}
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} else {
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return '-';
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}
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}
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}
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?>
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