PHP quiz_report_highlighting_grading_method函数代码示例

//.........这里部分代码省略.........
     if ($groupmode = groups_get_activity_groupmode($cm)) {
         // Groups are being used
         if (!$table->is_downloading()) {
             groups_print_activity_menu($cm, $reporturl->out(false, $displayoptions));
         }
     }
     // Print information on the number of existing attempts
     if (!$table->is_downloading()) {
         //do not print notices when downloading
         if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
             echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
         }
     }
     $nostudents = false;
     if (!$students) {
         echo $OUTPUT->notification(get_string('nostudentsyet'));
         $nostudents = true;
     } else {
         if ($currentgroup && !$groupstudents) {
             echo $OUTPUT->notification(get_string('nostudentsingroup'));
             $nostudents = true;
         }
     }
     if (!$table->is_downloading()) {
         // Print display options
         $mform->set_data($displayoptions + compact('pagesize'));
         $mform->display();
     }
     if (!$nostudents || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
         // Print information on the grading method and whether we are displaying
         //
         if (!$table->is_downloading()) {
             //do not print notices when downloading
             if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
                 echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
             }
         }
         $showgrades = quiz_has_grades($quiz) && $reviewoptions->scores;
         $hasfeedback = quiz_has_feedback($quiz);
         // Construct the SQL
         $fields = $DB->sql_concat('u.id', '\'#\'', 'COALESCE(qa.attempt, \'0\')') . ' AS concattedid, ';
         if ($qmsubselect) {
             $fields .= "(CASE " . "   WHEN {$qmsubselect} THEN 1" . "   ELSE 0 " . "END) AS gradedattempt, ";
         }
         $fields .= 'qa.uniqueid, qa.id AS attempt, u.id AS userid, u.idnumber, u.firstname,' . ' u.lastname, u.institution, u.department, u.email, u.picture, u.imagealt, ' . 'qa.sumgrades, qa.timefinish, qa.timestart, qa.timefinish - qa.timestart AS duration, ' . 'qa.layout ';
         // This part is the same for all cases - join users and quiz_attempts tables
         $from = '{user} u ';
         $from .= 'LEFT JOIN {quiz_attempts} qa ON qa.userid = u.id AND qa.quiz = :quizid';
         $params = array('quizid' => $quiz->id);
         if ($qmsubselect && $qmfilter) {
             $from .= ' AND ' . $qmsubselect;
         }
         switch ($attemptsmode) {
             case QUIZ_REPORT_ATTEMPTS_ALL:
                 // Show all attempts, including students who are no longer in the course
                 $where = 'qa.id IS NOT NULL AND qa.preview = 0';
                 break;
             case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH:
                 // Show only students with attempts
                 list($allowed_usql, $allowed_params) = $DB->get_in_or_equal($allowed, SQL_PARAMS_NAMED, 'u0000');
                 $params += $allowed_params;
                 $where = "u.id {$allowed_usql} AND qa.preview = 0 AND qa.id IS NOT NULL";
                 break;
             case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
                 // Show only students without attempts
                 list($allowed_usql, $allowed_params) = $DB->get_in_or_equal($allowed, SQL_PARAMS_NAMED, 'u0000');

//.........这里部分代码省略.........
         $fields = $DB->sql_concat('u.id', "'#'", 'COALESCE(quiza.attempt, 0)') . ' AS uniqueid, ';
         if ($qmsubselect) {
             $fields .= "(CASE " . "   WHEN {$qmsubselect} THEN 1" . "   ELSE 0 " . "END) AS gradedattempt, ";
         }
         list($fields, $from, $where, $params) = $this->base_sql($quiz, $qmsubselect, $qmfilter, $attemptsmode, $allowed);
         $table->set_count_sql("SELECT COUNT(1) FROM {$from} WHERE {$where}", $params);
         // Test to see if there are any regraded attempts to be listed.
         $fields .= ", COALESCE((\n                                SELECT MAX(qqr.regraded)\n                                  FROM {quiz_overview_regrades} qqr\n                                 WHERE qqr.questionusageid = quiza.uniqueid\n                          ), -1) AS regraded";
         if ($regradefilter) {
             $where .= " AND COALESCE((\n                                    SELECT MAX(qqr.regraded)\n                                      FROM {quiz_overview_regrades} qqr\n                                     WHERE qqr.questionusageid = quiza.uniqueid\n                                ), -1) <> -1";
         }
         $table->set_sql($fields, $from, $where, $params);
         if (!$table->is_downloading()) {
             // Regrade buttons
             if (has_capability('mod/quiz:regrade', $this->context)) {
                 $regradesneeded = $this->count_question_attempts_needing_regrade($quiz, $groupstudents);
                 if ($currentgroup) {
                     $a = new stdClass();
                     $a->groupname = groups_get_group_name($currentgroup);
                     $a->coursestudents = get_string('participants');
                     $a->countregradeneeded = $regradesneeded;
                     $regradealldrydolabel = get_string('regradealldrydogroup', 'quiz_overview', $a);
                     $regradealldrylabel = get_string('regradealldrygroup', 'quiz_overview', $a);
                     $regradealllabel = get_string('regradeallgroup', 'quiz_overview', $a);
                 } else {
                     $regradealldrydolabel = get_string('regradealldrydo', 'quiz_overview', $regradesneeded);
                     $regradealldrylabel = get_string('regradealldry', 'quiz_overview');
                     $regradealllabel = get_string('regradeall', 'quiz_overview');
                 }
                 $displayurl = new moodle_url($reporturl, $displayoptions + array('sesskey' => sesskey()));
                 echo '<div class="mdl-align">';
                 echo '<form action="' . $displayurl->out_omit_querystring() . '">';
                 echo '<div>';
                 echo html_writer::input_hidden_params($displayurl);
                 echo '<input type="submit" name="regradeall" value="' . $regradealllabel . '"/>';
                 echo '<input type="submit" name="regradealldry" value="' . $regradealldrylabel . '"/>';
                 if ($regradesneeded) {
                     echo '<input type="submit" name="regradealldrydo" value="' . $regradealldrydolabel . '"/>';
                 }
                 echo '</div>';
                 echo '</form>';
                 echo '</div>';
             }
             // Print information on the grading method
             if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
                 echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
             }
         }
         // Define table columns
         $columns = array();
         $headers = array();
         if (!$table->is_downloading() && $candelete) {
             $columns[] = 'checkbox';
             $headers[] = null;
         }
         $this->add_user_columns($table, $columns, $headers);
         $this->add_time_columns($columns, $headers);
         if ($detailedmarks) {
             foreach ($questions as $slot => $question) {
                 // Ignore questions of zero length
                 $columns[] = 'qsgrade' . $slot;
                 $header = get_string('qbrief', 'quiz', $question->number);
                 if (!$table->is_downloading()) {
                     $header .= '<br />';
                 } else {
                     $header .= ' ';
                 }
                 $header .= '/' . quiz_rescale_grade($question->maxmark, $quiz, 'question');
                 $headers[] = $header;
             }
         }
         if (!$table->is_downloading() && has_capability('mod/quiz:regrade', $this->context) && $this->has_regraded_questions($from, $where, $params)) {
             $columns[] = 'regraded';
             $headers[] = get_string('regrade', 'quiz_overview');
         }
         $this->add_grade_columns($quiz, $columns, $headers);
         $this->set_up_table_columns($table, $columns, $headers, $reporturl, $displayoptions, false);
         $table->set_attribute('class', 'generaltable generalbox grades');
         $table->out($pagesize, true);
     }
     if (!$table->is_downloading() && $this->should_show_grades($quiz)) {
         if ($currentgroup && $groupstudents) {
             list($usql, $params) = $DB->get_in_or_equal($groupstudents);
             $params[] = $quiz->id;
             if ($DB->record_exists_select('quiz_grades', "userid {$usql} AND quiz = ?", $params)) {
                 $imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id, 'groupid' => $currentgroup));
                 $graphname = get_string('overviewreportgraphgroup', 'quiz_overview', groups_get_group_name($currentgroup));
                 echo $OUTPUT->heading($graphname);
                 echo html_writer::tag('div', html_writer::empty_tag('img', array('src' => $imageurl, 'alt' => $graphname)), array('class' => 'graph'));
             }
         }
         if ($DB->record_exists('quiz_grades', array('quiz' => $quiz->id))) {
             $graphname = get_string('overviewreportgraph', 'quiz_overview');
             $imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id));
             echo $OUTPUT->heading($graphname);
             echo html_writer::tag('div', html_writer::empty_tag('img', array('src' => $imageurl, 'alt' => $graphname)), array('class' => 'graph'));
         }
     }
     return true;
 }

    public function display($quiz, $cm, $course) {
        global $CFG, $DB, $OUTPUT;

        list($currentgroup, $students, $groupstudents, $allowed) =
                $this->init('responses', 'quiz_responses_settings_form', $quiz, $cm, $course);
        $options = new quiz_responses_options('responses', $quiz, $cm, $course);

        if ($fromform = $this->form->get_data()) {
            $options->process_settings_from_form($fromform);

        } else {
            $options->process_settings_from_params();
        }

        $this->form->set_data($options->get_initial_form_data());

        if ($options->attempts == self::ALL_WITH) {
            // This option is only available to users who can access all groups in
            // groups mode, so setting allowed to empty (which means all quiz attempts
            // are accessible, is not a security porblem.
            $allowed = array();
        }

        // Load the required questions.
        $questions = quiz_report_get_significant_questions($quiz);

        // Prepare for downloading, if applicable.
        $courseshortname = format_string($course->shortname, true,
                array('context' => context_course::instance($course->id)));
        $table = new quiz_responses_table($quiz, $this->context, $this->qmsubselect,
                $options, $groupstudents, $students, $questions, $this->get_base_url());
        $filename = quiz_report_download_filename(get_string('responsesfilename', 'quiz_responses'),
                $courseshortname, $quiz->name);
        $table->is_downloading($options->download, $filename,
                $courseshortname . ' ' . format_string($quiz->name, true));
        if ($table->is_downloading()) {
            raise_memory_limit(MEMORY_EXTRA);
        }

        $this->process_actions($quiz, $cm, $currentgroup, $groupstudents, $allowed, $options->get_url());

        // Start output.
        if (!$table->is_downloading()) {
            // Only print headers if not asked to download data.
            $this->print_header_and_tabs($cm, $course, $quiz, $this->mode);
        }

        if ($groupmode = groups_get_activity_groupmode($cm)) {
            // Groups are being used, so output the group selector if we are not downloading.
            if (!$table->is_downloading()) {
                groups_print_activity_menu($cm, $options->get_url());
            }
        }

        // Print information on the number of existing attempts.
        if (!$table->is_downloading()) {
            // Do not print notices when downloading.
            if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
                echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
            }
        }

        $hasquestions = quiz_questions_in_quiz($quiz->questions);
        if (!$table->is_downloading()) {
            if (!$hasquestions) {
                echo quiz_no_questions_message($quiz, $cm, $this->context);
            } else if (!$students) {
                echo $OUTPUT->notification(get_string('nostudentsyet'));
            } else if ($currentgroup && !$groupstudents) {
                echo $OUTPUT->notification(get_string('nostudentsingroup'));
            }

            // Print the display options.
            $this->form->display();
        }

        $hasstudents = $students && (!$currentgroup || $groupstudents);
        if ($hasquestions && ($hasstudents || $options->attempts == self::ALL_WITH)) {

            list($fields, $from, $where, $params) = $table->base_sql($allowed);

            $table->set_count_sql("SELECT COUNT(1) FROM $from WHERE $where", $params);

            $table->set_sql($fields, $from, $where, $params);

            if (!$table->is_downloading()) {
                // Print information on the grading method.
                if ($strattempthighlight = quiz_report_highlighting_grading_method(
                        $quiz, $this->qmsubselect, $options->onlygraded)) {
                    echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
                }
            }

            // Define table columns.
            $columns = array();
            $headers = array();

            if (!$table->is_downloading() && $options->checkboxcolumn) {
                $columns[] = 'checkbox';
                $headers[] = null;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
         $fields = $DB->sql_concat('u.id', "'#'", 'COALESCE(quiza.attempt, 0)') . ' AS uniqueid, ';
         if ($this->qmsubselect) {
             $fields .= "(CASE " . "   WHEN {$this->qmsubselect} THEN 1" . "   ELSE 0 " . "END) AS gradedattempt, ";
         }
         list($fields, $from, $where, $params) = $table->base_sql($allowed);
         $table->set_count_sql("SELECT COUNT(1) FROM {$from} WHERE {$where}", $params);
         // Test to see if there are any regraded attempts to be listed.
         $fields .= ", COALESCE((\n                                SELECT MAX(qqr.regraded)\n                                  FROM {quiz_overview_regrades} qqr\n                                 WHERE qqr.questionusageid = quiza.uniqueid\n                          ), -1) AS regraded";
         if ($options->onlyregraded) {
             $where .= " AND COALESCE((\n                                    SELECT MAX(qqr.regraded)\n                                      FROM {quiz_overview_regrades} qqr\n                                     WHERE qqr.questionusageid = quiza.uniqueid\n                                ), -1) <> -1";
         }
         $table->set_sql($fields, $from, $where, $params);
         if (!$table->is_downloading()) {
             // Output the regrade buttons.
             if (has_capability('mod/quiz:regrade', $this->context)) {
                 $regradesneeded = $this->count_question_attempts_needing_regrade($quiz, $groupstudents);
                 if ($currentgroup) {
                     $a = new stdClass();
                     $a->groupname = groups_get_group_name($currentgroup);
                     $a->coursestudents = get_string('participants');
                     $a->countregradeneeded = $regradesneeded;
                     $regradealldrydolabel = get_string('regradealldrydogroup', 'quiz_overview', $a);
                     $regradealldrylabel = get_string('regradealldrygroup', 'quiz_overview', $a);
                     $regradealllabel = get_string('regradeallgroup', 'quiz_overview', $a);
                 } else {
                     $regradealldrydolabel = get_string('regradealldrydo', 'quiz_overview', $regradesneeded);
                     $regradealldrylabel = get_string('regradealldry', 'quiz_overview');
                     $regradealllabel = get_string('regradeall', 'quiz_overview');
                 }
                 $displayurl = new moodle_url($options->get_url(), array('sesskey' => sesskey()));
                 echo '<div class="mdl-align">';
                 echo '<form action="' . $displayurl->out_omit_querystring() . '">';
                 echo '<div>';
                 echo html_writer::input_hidden_params($displayurl);
                 echo '<input type="submit" name="regradeall" value="' . $regradealllabel . '"/>';
                 echo '<input type="submit" name="regradealldry" value="' . $regradealldrylabel . '"/>';
                 if ($regradesneeded) {
                     echo '<input type="submit" name="regradealldrydo" value="' . $regradealldrydolabel . '"/>';
                 }
                 echo '</div>';
                 echo '</form>';
                 echo '</div>';
             }
             // Print information on the grading method.
             if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $this->qmsubselect, $options->onlygraded)) {
                 echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
             }
         }
         // Define table columns.
         $columns = array();
         $headers = array();
         if (!$table->is_downloading() && $options->checkboxcolumn) {
             $columns[] = 'checkbox';
             $headers[] = null;
         }
         $this->add_user_columns($table, $columns, $headers);
         $this->add_state_column($columns, $headers);
         $this->add_time_columns($columns, $headers);
         $this->add_grade_columns($quiz, $options->usercanseegrades, $columns, $headers, false);
         if (!$table->is_downloading() && has_capability('mod/quiz:regrade', $this->context) && $this->has_regraded_questions($from, $where, $params)) {
             $columns[] = 'regraded';
             $headers[] = get_string('regrade', 'quiz_overview');
         }
         if ($options->slotmarks) {
             foreach ($questions as $slot => $question) {
                 // Ignore questions of zero length.
                 $columns[] = 'qsgrade' . $slot;
                 $header = get_string('qbrief', 'quiz', $question->number);
                 if (!$table->is_downloading()) {
                     $header .= '<br />';
                 } else {
                     $header .= ' ';
                 }
                 $header .= '/' . quiz_rescale_grade($question->maxmark, $quiz, 'question');
                 $headers[] = $header;
             }
         }
         $this->set_up_table_columns($table, $columns, $headers, $this->get_base_url(), $options, false);
         $table->set_attribute('class', 'generaltable generalbox grades');
         $table->out($options->pagesize, true);
     }
     if (!$table->is_downloading() && $options->usercanseegrades) {
         $output = $PAGE->get_renderer('mod_quiz');
         if ($currentgroup && $groupstudents) {
             list($usql, $params) = $DB->get_in_or_equal($groupstudents);
             $params[] = $quiz->id;
             if ($DB->record_exists_select('quiz_grades', "userid {$usql} AND quiz = ?", $params)) {
                 $imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id, 'groupid' => $currentgroup));
                 $graphname = get_string('overviewreportgraphgroup', 'quiz_overview', groups_get_group_name($currentgroup));
                 echo $output->graph($imageurl, $graphname);
             }
         }
         if ($DB->record_exists('quiz_grades', array('quiz' => $quiz->id))) {
             $imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id));
             $graphname = get_string('overviewreportgraph', 'quiz_overview');
             echo $output->graph($imageurl, $graphname);
         }
     }
     return true;
 }

//.........这里部分代码省略.........
     if (!$download) {
         //do not print notices when downloading
         if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
             echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
         }
     }
     $nostudents = false;
     if (!($students = get_users_by_capability($context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'), '', '', '', '', '', '', false))) {
         notify(get_string('nostudentsyet'));
         $nostudents = true;
         $studentslist = '';
     } else {
         $studentslist = join(',', array_keys($students));
     }
     if (empty($currentgroup)) {
         // all users who can attempt quizzes
         $groupstudentslist = '';
         $allowedlist = $studentslist;
     } else {
         // all users who can attempt quizzes and who are in the currently selected group
         if (!($groupstudents = get_users_by_capability($context, 'mod/quiz:attempt', '', '', '', '', $currentgroup, '', false))) {
             notify(get_string('nostudentsingroup'));
             $nostudents = true;
             $groupstudents = array();
         }
         $groupstudentslist = join(',', array_keys($groupstudents));
         $allowedlist = $groupstudentslist;
     }
     if (!$nostudents || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
         // Print information on the grading method and whether we are displaying
         //
         if (!$download) {
             //do not print notices when downloading
             if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
                 echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
             }
         }
         // Now check if asked download of data
         if ($download) {
             $filename = clean_filename("{$course->shortname} " . format_string($quiz->name, true));
         }
         // Define table columns
         $columns = array();
         $headers = array();
         if (!$download && $candelete) {
             $columns[] = 'checkbox';
             $headers[] = NULL;
         }
         if (!$download && $CFG->grade_report_showuserimage) {
             $columns[] = 'picture';
             $headers[] = '';
         }
         $columns[] = 'fullname';
         $headers[] = get_string('name');
         if ($CFG->grade_report_showuseridnumber) {
             $columns[] = 'idnumber';
             $headers[] = get_string('idnumber');
         }
         $columns[] = 'timestart';
         $headers[] = get_string('startedon', 'quiz');
         $columns[] = 'timefinish';
         $headers[] = get_string('timecompleted', 'quiz');
         $columns[] = 'duration';
         $headers[] = get_string('attemptduration', 'quiz');
         if ($showgrades) {
             $columns[] = 'sumgrades';

//.........这里部分代码省略.........
         $this->delete_selected_attempts($quiz, $cm, $attemptids, $allowed);
         redirect($reporturl->out(false, $displayoptions));
     }
     // Load the required questions.
     $questions = quiz_report_get_significant_questions($quiz);
     $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
     $courseshortname = format_string($course->shortname, true, array('context' => $coursecontext));
     $displaycoursecontext = get_context_instance(CONTEXT_COURSE, $COURSE->id);
     $displaycourseshortname = format_string($COURSE->shortname, true, array('context' => $displaycoursecontext));
     $table = new quiz_report_responses_table($quiz, $this->context, $qmsubselect, $groupstudents, $students, $questions, $candelete, $reporturl, $displayoptions);
     $filename = quiz_report_download_filename(get_string('responsesfilename', 'quiz_responses'), $courseshortname, $quiz->name);
     $table->is_downloading($download, $filename, $displaycourseshortname . ' ' . format_string($quiz->name, true));
     if ($table->is_downloading()) {
         raise_memory_limit(MEMORY_EXTRA);
     }
     if (!$table->is_downloading()) {
         // Only print headers if not asked to download data
         $this->print_header_and_tabs($cm, $course, $quiz, 'responses');
     }
     if ($groupmode = groups_get_activity_groupmode($cm)) {
         // Groups are being used
         if (!$table->is_downloading()) {
             groups_print_activity_menu($cm, $reporturl->out(true, $displayoptions));
         }
     }
     // Print information on the number of existing attempts
     if (!$table->is_downloading()) {
         //do not print notices when downloading
         if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
             echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
         }
     }
     $hasquestions = quiz_questions_in_quiz($quiz->questions);
     if (!$table->is_downloading()) {
         if (!$hasquestions) {
             echo quiz_no_questions_message($quiz, $cm, $this->context);
         } else {
             if (!$students) {
                 echo $OUTPUT->notification(get_string('nostudentsyet'));
             } else {
                 if ($currentgroup && !$groupstudents) {
                     echo $OUTPUT->notification(get_string('nostudentsingroup'));
                 }
             }
         }
         // Print display options
         $mform->display();
     }
     $hasstudents = $students && (!$currentgroup || $groupstudents);
     if ($hasquestions && ($hasstudents || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL)) {
         // Print information on the grading method and whether we are displaying
         if (!$table->is_downloading()) {
             //do not print notices when downloading
             if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
                 echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
             }
         }
         list($fields, $from, $where, $params) = $this->base_sql($quiz, $qmsubselect, $qmfilter, $attemptsmode, $allowed);
         $table->set_count_sql("SELECT COUNT(1) FROM {$from} WHERE {$where}", $params);
         $table->set_sql($fields, $from, $where, $params);
         // Define table columns
         $columns = array();
         $headers = array();
         if (!$table->is_downloading() && $candelete) {
             $columns[] = 'checkbox';
             $headers[] = null;
         }
         $this->add_user_columns($table, $columns, $headers);
         if ($table->is_downloading()) {
             $this->add_time_columns($columns, $headers);
         }
         $this->add_grade_columns($quiz, $columns, $headers);
         foreach ($questions as $id => $question) {
             if ($displayoptions['qtext']) {
                 $columns[] = 'question' . $id;
                 $headers[] = get_string('questionx', 'question', $question->number);
             }
             if ($displayoptions['resp']) {
                 $columns[] = 'response' . $id;
                 $headers[] = get_string('responsex', 'quiz_responses', $question->number);
             }
             if ($displayoptions['right']) {
                 $columns[] = 'right' . $id;
                 $headers[] = get_string('rightanswerx', 'quiz_responses', $question->number);
             }
         }
         $table->define_columns($columns);
         $table->define_headers($headers);
         $table->sortable(true, 'uniqueid');
         // Set up the table
         $table->define_baseurl($reporturl->out(true, $displayoptions));
         $this->configure_user_columns($table);
         $table->no_sorting('feedbacktext');
         $table->column_class('sumgrades', 'bold');
         $table->set_attribute('id', 'attempts');
         $table->collapsible(true);
         $table->out($pagesize, true);
     }
     return true;
 }

//.........这里部分代码省略.........
            if (!$table->is_downloading()) { //do not print notices when downloading
                //regrade buttons
                if (has_capability('mod/quiz:regrade', $this->context)) {
                    $countregradeneeded = $this->count_regrade_all_needed($quiz, $groupstudents);
                    if ($currentgroup) {
                        $a= new stdClass();
                        $a->groupname = groups_get_group_name($currentgroup);
                        $a->coursestudents = get_string('participants');
                        $a->countregradeneeded = $countregradeneeded;
                        $regradealldrydolabel = get_string('regradealldrydogroup', 'quiz_overview', $a);
                        $regradealldrylabel = get_string('regradealldrygroup', 'quiz_overview', $a);
                        $regradealllabel = get_string('regradeallgroup', 'quiz_overview', $a);
                    } else {
                        $regradealldrydolabel = get_string('regradealldrydo', 'quiz_overview', $countregradeneeded);
                        $regradealldrylabel = get_string('regradealldry', 'quiz_overview');
                        $regradealllabel = get_string('regradeall', 'quiz_overview');
                    }
                    $displayurl = new moodle_url($reporturl, $displayoptions);
                    echo '<div class="mdl-align">';
                    echo '<form action="'.$displayurl->out_omit_querystring().'">';
                    echo '<div>';
                    echo html_writer::input_hidden_params($displayurl);
                    echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey())) . "\n";
                    echo '<input type="submit" name="regradeall" value="'.$regradealllabel.'"/>';
                    echo '<input type="submit" name="regradealldry" value="'.$regradealldrylabel.'"/>';
                    if ($countregradeneeded) {
                        echo '<input type="submit" name="regradealldrydo" value="'.$regradealldrydolabel.'"/>';
                    }
                    echo '</div>';
                    echo '</form>';
                    echo '</div>';
                }
                // Print information on the grading method
                if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
                    echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
                }
            }

            if (!$table->is_downloading() && $candelete) {
                $columns[]= 'checkbox';
                $headers[]= NULL;
            }

            if (!$table->is_downloading() && $CFG->grade_report_showuserimage) {
                $columns[]= 'picture';
                $headers[]= '';
            }
            if (!$table->is_downloading()) {
                $columns[]= 'fullname';
                $headers[]= get_string('name');
             } else {
                $columns[]= 'lastname';
                $headers[]= get_string('lastname');
                $columns[]= 'firstname';
                $headers[]= get_string('firstname');
             }

            if ($CFG->grade_report_showuseridnumber) {
                $columns[]= 'idnumber';
                $headers[]= get_string('idnumber');
            }

            $columns[]= 'timestart';
            $headers[]= get_string('startedon', 'quiz');

            $columns[]= 'timefinish';