PHP groups_get_group_name函数代码示例

 public function report_data($visualreport)
 {
     $data = array();
     $data['header'] = array();
     $data['header']['student'] = 'student';
     $data['header']['grade'] = 'grade';
     $data['header']['item'] = 'item';
     $data['header']['group'] = 'group';
     foreach ($visualreport->grades as $itemkey => $itemgrades) {
         foreach ($itemgrades as $studentkey => $studentdata) {
             if ($studentdata != null && $studentdata->finalgrade != null) {
                 foreach (groups_get_user_groups($visualreport->courseid, $studentkey) as $grouping) {
                     if (count($grouping) > 0) {
                         foreach ($grouping as $group) {
                             $data[$studentkey . '-' . $itemkey . '-' . $group]['student'] = $visualreport->users[$studentkey]->firstname . ' ' . $visualreport->users[$studentkey]->lastname;
                             $data[$studentkey . '-' . $itemkey . '-' . $group]['grade'] = $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                             $data[$studentkey . '-' . $itemkey . '-' . $group]['item'] = $visualreport->gtree->items[$itemkey]->get_name();
                             $data[$studentkey . '-' . $itemkey . '-' . $group]['group'] = groups_get_group_name($group);
                         }
                     } else {
                         $data[$studentkey . '-' . $itemkey . '-ng']['student'] = $visualreport->users[$studentkey]->firstname . ' ' . $visualreport->users[$studentkey]->lastname;
                         $data[$studentkey . '-' . $itemkey . '-ng']['grade'] = $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                         $data[$studentkey . '-' . $itemkey . '-ng']['item'] = $visualreport->gtree->items[$itemkey]->get_name();
                         $data[$studentkey . '-' . $itemkey . '-ng']['group'] = get_string('nogroup', 'gradereport_visual');
                     }
                 }
             }
         }
     }
     return $data;
 }

/**
 * Returns the display name of a group - the group name followed by 
 * the number of members in brackets.
 * @param int $groupid The group ID.
 * @return string The display name of the group
 */
function groups_get_group_displayname($groupid)
{
    if ($groupname = groups_get_group_name($groupid)) {
        $count = groups_count_group_members($groupid);
        return "{$groupname} ({$count})";
    }
    return false;
}

 public function report_data($visualreport)
 {
     $data = array();
     $data['header'] = array();
     $data['header']['grade'] = 'grade';
     $data['header']['item'] = 'item';
     $data['header']['group'] = 'group';
     $count = array();
     foreach ($visualreport->grades as $itemkey => $itemgrades) {
         foreach ($itemgrades as $studentkey => $studentdata) {
             if ($studentdata != null && $studentdata->finalgrade != null) {
                 foreach (groups_get_user_groups($visualreport->courseid, $studentkey) as $grouping) {
                     if (count($grouping) > 0) {
                         foreach ($grouping as $group) {
                             if (!isset($data[$itemkey . '-' . $group])) {
                                 $data[$itemkey . '-' . $group] = array();
                                 $data[$itemkey . '-' . $group]['grade'] = $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                                 $data[$itemkey . '-' . $group]['item'] = $visualreport->gtree->items[$itemkey]->get_name();
                                 $data[$itemkey . '-' . $group]['group'] = groups_get_group_name($group);
                                 $count[$itemkey . '-' . $group] = 1;
                             } else {
                                 $data[$itemkey . '-' . $group]['grade'] += $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                                 $count[$itemkey . '-' . $group]++;
                             }
                         }
                     } else {
                         if (!isset($data[$itemkey . '-ng'])) {
                             $data[$itemkey . '-ng'] = array();
                             $data[$itemkey . '-ng']['grade'] = $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                             $data[$itemkey . '-ng']['item'] = $visualreport->gtree->items[$itemkey]->get_name();
                             $data[$itemkey . '-ng']['group'] = get_string('nogroup', 'gradereport_visual');
                             $count[$itemkey . '-ng'] = 1;
                         } else {
                             $data[$itemkey . '-ng']['grade'] += $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                             $count[$itemkey . '-ng']++;
                         }
                     }
                     if (!isset($data[$itemkey . '-ag'])) {
                         $data[$itemkey . '-ag'] = array();
                         $data[$itemkey . '-ag']['grade'] = $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                         $data[$itemkey . '-ag']['item'] = $visualreport->gtree->items[$itemkey]->get_name();
                         $data[$itemkey . '-ag']['group'] = get_string('allgroups', 'gradereport_visual');
                         $count[$itemkey . '-ag'] = 1;
                     } else {
                         $data[$itemkey . '-ag']['grade'] += $studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100);
                         $count[$itemkey . '-ag']++;
                     }
                 }
             }
         }
     }
     foreach ($data as $key => $row) {
         if ($key != 'header') {
             $data[$key]['grade'] /= $count[$key];
         }
     }
     return $data;
 }

 function test_create_group()
 {
     $this->assertTrue($this->groupid = groups_create_group($this->courseid));
     $this->assertTrue(groups_group_exists($this->groupid));
     $this->assertTrue(groups_group_belongs_to_course($this->groupid, $this->courseid));
     $this->assertTrue($groupids = groups_get_groups($this->courseid));
     //array...
     $this->assertTrue($groupinfo = groups_set_default_group_settings());
     $groupinfo->name = 'Group ' . $this->getLabel();
     //'Temporary Group Name'
     $this->assertTrue(groups_set_group_settings($this->groupid, $groupinfo));
     $this->assertTrue($groupinfo->name == groups_get_group_name($this->groupid));
     $this->assertTrue($this->courseid == groups_get_course($this->groupid));
 }

 function definition()
 {
     global $COURSE;
     $mform =& $this->_form;
     //-------------------------------------------------------------------------------
     $mform->addElement('header', 'preferencespage', get_string('preferencespage', 'quiz_overview'));
     if (!$this->_customdata['currentgroup']) {
         $studentsstring = get_string('participants');
     } else {
         $a = new stdClass();
         $a->coursestudent = get_string('participants');
         $a->groupname = groups_get_group_name($this->_customdata['currentgroup']);
         if (20 < strlen($a->groupname)) {
             $studentsstring = get_string('studentingrouplong', 'quiz_overview', $a);
         } else {
             $studentsstring = get_string('studentingroup', 'quiz_overview', $a);
         }
     }
     $options = array();
     if (!$this->_customdata['currentgroup']) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL] = get_string('optallattempts', 'quiz_overview');
     }
     if ($this->_customdata['currentgroup'] || $COURSE->id != SITEID) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL_STUDENTS] = get_string('optallstudents', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH] = get_string('optattemptsonly', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO] = get_string('optnoattemptsonly', 'quiz_overview', $studentsstring);
     }
     $mform->addElement('select', 'attemptsmode', get_string('show', 'quiz_overview'), $options);
     $showattemptsgrp = array();
     if ($this->_customdata['qmsubselect']) {
         $gm = '<span class="highlight">' . quiz_get_grading_option_name($this->_customdata['quiz']->grademethod) . '</span>';
         $showattemptsgrp[] =& $mform->createElement('advcheckbox', 'qmfilter', get_string('showattempts', 'quiz_overview'), get_string('optonlygradedattempts', 'quiz_overview', $gm), null, array(0, 1));
     }
     if (has_capability('mod/quiz:regrade', $this->_customdata['context'])) {
         $showattemptsgrp[] =& $mform->createElement('advcheckbox', 'regradefilter', get_string('showattempts', 'quiz_overview'), get_string('optonlyregradedattempts', 'quiz_overview'), null, array(0, 1));
     }
     if ($showattemptsgrp) {
         $mform->addGroup($showattemptsgrp, null, get_string('showattempts', 'quiz_overview'), '<br />', false);
     }
     //-------------------------------------------------------------------------------
     $mform->addElement('header', 'preferencesuser', get_string('preferencesuser', 'quiz_overview'));
     $mform->addElement('text', 'pagesize', get_string('pagesize', 'quiz_overview'));
     $mform->setType('pagesize', PARAM_INT);
     $mform->addElement('selectyesno', 'detailedmarks', get_string('showdetailedmarks', 'quiz_overview'));
     $mform->addElement('submit', 'submitbutton', get_string('preferencessave', 'quiz_overview'));
 }

    protected function definition() {
        $mform = $this->_form;

        $mform->addElement('header', 'preferencespage',
                get_string('preferencespage', 'quiz_overview'));

        if (!$this->_customdata['currentgroup']) {
            $studentsstring = get_string('participants');
        } else {
            $a = new stdClass();
            $a->coursestudent = get_string('participants');
            $a->groupname = groups_get_group_name($this->_customdata['currentgroup']);
            if (20 < strlen($a->groupname)) {
                $studentsstring = get_string('studentingrouplong', 'quiz_overview', $a);
            } else {
                $studentsstring = get_string('studentingroup', 'quiz_overview', $a);
            }
        }
        $options = array();
        if (!$this->_customdata['currentgroup']) {
            $options[quiz_attempts_report::ALL_ATTEMPTS] = get_string('optallattempts', 'quiz_overview');
        }
        if ($this->_customdata['currentgroup'] ||
                !is_inside_frontpage($this->_customdata['context'])) {
            $options[quiz_attempts_report::ALL_STUDENTS] =
                    get_string('optallstudents', 'quiz_overview', $studentsstring);
            $options[quiz_attempts_report::STUDENTS_WITH] =
                     get_string('optattemptsonly', 'quiz_overview', $studentsstring);
            $options[quiz_attempts_report::STUDENTS_WITH_NO] =
                    get_string('optnoattemptsonly', 'quiz_overview', $studentsstring);
        }
        $mform->addElement('select', 'attemptsmode',
                get_string('show', 'quiz_overview'), $options);

        $this->definition_inner($mform);

        $mform->addElement('header', 'preferencesuser',
                get_string('preferencesuser', 'quiz_overview'));

        $mform->addElement('text', 'pagesize', get_string('pagesize', 'quiz_overview'));
        $mform->setType('pagesize', PARAM_INT);

        $mform->addElement('submit', 'submitbutton',
                get_string('preferencessave', 'quiz_overview'));
    }

 protected function definition()
 {
     $mform = $this->_form;
     $mform->addElement('header', 'preferencespage', get_string('preferencespage', 'quiz_overview'));
     if (!$this->_customdata['currentgroup']) {
         $studentsstring = get_string('participants');
     } else {
         $a = new stdClass();
         $a->coursestudent = get_string('participants');
         $a->groupname = groups_get_group_name($this->_customdata['currentgroup']);
         if (20 < strlen($a->groupname)) {
             $studentsstring = get_string('studentingrouplong', 'quiz_overview', $a);
         } else {
             $studentsstring = get_string('studentingroup', 'quiz_overview', $a);
         }
     }
     $options = array();
     if (!$this->_customdata['currentgroup']) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL] = get_string('optallattempts', 'quiz_overview');
     }
     if ($this->_customdata['currentgroup'] || !is_inside_frontpage($this->_customdata['context'])) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL_STUDENTS] = get_string('optallstudents', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH] = get_string('optattemptsonly', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO] = get_string('optnoattemptsonly', 'quiz_overview', $studentsstring);
     }
     $mform->addElement('select', 'attemptsmode', get_string('show', 'quiz_overview'), $options);
     if ($this->_customdata['qmsubselect']) {
         $gm = '<span class="gradedattempt">' . quiz_get_grading_option_name($this->_customdata['quiz']->grademethod) . '</span>';
         $mform->addElement('advcheckbox', 'qmfilter', get_string('showattempts', 'quiz_overview'), get_string('optonlygradedattempts', 'quiz_overview', $gm), null, array(0, 1));
     }
     $colsgroup = array();
     $colsgroup[] = $mform->createElement('advcheckbox', 'qtext', '', get_string('summaryofquestiontext', 'quiz_responses'));
     $colsgroup[] = $mform->createElement('advcheckbox', 'resp', '', get_string('summaryofresponse', 'quiz_responses'));
     $colsgroup[] = $mform->createElement('advcheckbox', 'right', '', get_string('summaryofrightanswer', 'quiz_responses'));
     $mform->addGroup($colsgroup, null, get_string('include', 'quiz_responses'), '<br />', false);
     $mform->addElement('header', 'preferencesuser', get_string('preferencesuser', 'quiz_overview'));
     $mform->addElement('text', 'pagesize', get_string('pagesize', 'quiz_overview'));
     $mform->setType('pagesize', PARAM_INT);
     $mform->addElement('submit', 'submitbutton', get_string('preferencessave', 'quiz_overview'));
 }

 function definition()
 {
     global $COURSE;
     $mform =& $this->_form;
     //-------------------------------------------------------------------------------
     $mform->addElement('header', 'preferencespage', get_string('preferencespage', 'quiz_overview'));
     if (!$this->_customdata['currentgroup']) {
         $studentsstring = get_string('participants');
     } else {
         $a = new object();
         $a->coursestudent = get_string('participants');
         $a->groupname = groups_get_group_name($this->_customdata['currentgroup']);
         if (20 < strlen($a->groupname)) {
             $studentsstring = get_string('studentingrouplong', 'quiz_overview', $a);
         } else {
             $studentsstring = get_string('studentingroup', 'quiz_overview', $a);
         }
     }
     $options = array();
     if (!$this->_customdata['currentgroup']) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL] = get_string('optallattempts', 'quiz_overview');
     }
     if ($this->_customdata['currentgroup'] || $COURSE->id != SITEID) {
         $options[QUIZ_REPORT_ATTEMPTS_ALL_STUDENTS] = get_string('optallstudents', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH] = get_string('optattemptsonly', 'quiz_overview', $studentsstring);
         $options[QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO] = get_string('optnoattemptsonly', 'quiz_overview', $studentsstring);
     }
     $mform->addElement('select', 'attemptsmode', get_string('show', 'quiz_overview'), $options);
     if ($this->_customdata['qmsubselect']) {
         $gm = '<span class="highlight">' . quiz_get_grading_option_name($this->_customdata['quiz']->grademethod) . '</span>';
         $mform->addElement('advcheckbox', 'qmfilter', get_string('show', 'quiz_overview'), get_string('optonlygradedattempts', 'quiz_overview', $gm), null, array(0, 1));
     }
     //-------------------------------------------------------------------------------
     $mform->addElement('header', 'preferencesuser', get_string('preferencesuser', 'quiz_overview'));
     $mform->addElement('text', 'pagesize', get_string('pagesize', 'quiz_overview'));
     $mform->setType('pagesize', PARAM_INT);
     $this->add_action_buttons(false, get_string('preferencessave', 'quiz_overview'));
 }

//.........这里部分代码省略.........
            $status = $result->status;
            $grade = $result->grade;
            if ($type == REPORT_NCCCSCENSUS_ACTION_VIEW && $grade == get_string('nograde', $reportname)) {
                $specialstatus = new html_table_cell($status);
                $specialstatus->style = 'background-color: ' . get_config('report_ncccscensus', 'gradenogradecolour');
                $status = $specialstatus;
            } else {
                if ($type == REPORT_NCCCSCENSUS_ACTION_VIEW && $result->overridden) {
                    $specialstatus = new html_table_cell($status);
                    $specialstatus->style = 'background-color: ' . get_config('report_ncccscensus', 'gradeoverridecolour');
                    $status = $specialstatus;
                }
            }
            $datum[] = $status;
            $datum[] = $result->submitdate;
            if ($type == REPORT_NCCCSCENSUS_ACTION_VIEW && $grade == get_string('nograde', $reportname)) {
                $nograde = new html_table_cell($grade);
                $nograde->style = 'background-color: ' . get_config('report_ncccscensus', 'gradenogradecolour');
                $grade = $nograde;
            } else {
                if ($type == REPORT_NCCCSCENSUS_ACTION_VIEW && $result->overridden) {
                    $overriddengrade = new html_table_cell($grade);
                    $overriddengrade->style = 'background-color: ' . get_config('report_ncccscensus', 'gradeoverridecolour');
                    $grade = $overriddengrade;
                }
            }
            $datum[] = $grade;
            $datum[] = $result->date;
            $table->data[] = $datum;
        }
    }
    $course = $DB->get_record('course', array('id' => $cid));
    if ($group > 0) {
        $groupname = groups_get_group_name($group);
    }
    $datestring = 'n/j/y';
    $reportrange = date($datestring, $formdata->startdate) . ' - ' . date($datestring, $formdata->enddate);
    if ($type != REPORT_NCCCSCENSUS_ACTION_VIEW) {
        $date = usergetdate(time(), get_user_timezone());
        $filename = 'CensusRpt2_';
        $filename .= date('MdY_Hi', mktime($date['hours'], $date['minutes'], 0, $date['mon'], $date['mday'], $date['year']));
    }
    if ($type == REPORT_NCCCSCENSUS_ACTION_VIEW) {
        if (report_ncccscensus_check_field_status('showcoursename', 'html')) {
            echo '<b>' . get_string('coursetitle', $reportname) . ':</b> ' . $course->fullname . '<br>';
        }
        if (report_ncccscensus_check_field_status('showcoursecode', 'html')) {
            echo '<b>' . get_string('coursecode', $reportname) . ':</b> ' . $course->shortname . '<br>';
        }
        // Only show course ID if present.
        if (report_ncccscensus_check_field_status('showcourseid', 'html') && $course->idnumber !== '') {
            echo '<b>' . get_string('courseid', $reportname) . ':</b> ' . $course->idnumber . '<br>';
        }
        if (report_ncccscensus_check_field_status('showteachername', 'html')) {
            if (!empty($namesarrayview)) {
                $instructors = implode(', ', $namesarrayview);
                echo '<b>' . get_string('instructor', $reportname) . ':</b> ' . $instructors . '<br>';
            }
        }
        echo '<b>' . get_string('reportrange', $reportname) . ':</b> ' . $reportrange . '<br>';
        if (isset($groupname)) {
            echo '<b>' . get_string('section', $reportname) . ':</b> ' . $groupname . '<br>';
        } else {
            echo '<b>' . get_string('section', $reportname) . ':</b> ' . get_string('allgroupspdf', $reportname) . '<br>';
        }
        echo '<br>';

    /**
     * Download a zip file of all assignment submissions
     *
     * @return void
     */
    private function download_submissions() {
        global $CFG,$DB;

        // More efficient to load this here.
        require_once($CFG->libdir.'/filelib.php');

        // Load all users with submit.
        $students = get_enrolled_users($this->context, "mod/assign:submit");

        // Build a list of files to zip.
        $filesforzipping = array();
        $fs = get_file_storage();

        $groupmode = groups_get_activity_groupmode($this->get_course_module());
        // All users.
        $groupid = 0;
        $groupname = '';
        if ($groupmode) {
            $groupid = groups_get_activity_group($this->get_course_module(), true);
            $groupname = groups_get_group_name($groupid).'-';
        }

        // Construct the zip file name.
        $filename = clean_filename($this->get_course()->shortname.'-'.
                                   $this->get_instance()->name.'-'.
                                   $groupname.$this->get_course_module()->id.".zip");

        // Get all the files for each student.
        foreach ($students as $student) {
            $userid = $student->id;

            if ((groups_is_member($groupid, $userid) or !$groupmode or !$groupid)) {
                // Get the plugins to add their own files to the zip.

                $submissiongroup = false;
                $groupname = '';
                if ($this->get_instance()->teamsubmission) {
                    $submission = $this->get_group_submission($userid, 0, false);
                    $submissiongroup = $this->get_submission_group($userid);
                    $groupname = '-' . $submissiongroup->name;
                } else {
                    $submission = $this->get_user_submission($userid, false);
                }

                if ($this->is_blind_marking()) {
                    $prefix = clean_filename(str_replace('_', ' ', get_string('participant', 'assign') . $groupname) .
                                             "_" . $this->get_uniqueid_for_user($userid) . "_");
                } else {
                    $prefix = clean_filename(str_replace('_', ' ', fullname($student) . $groupname) .
                                             "_" . $this->get_uniqueid_for_user($userid) . "_");
                }

                if ($submission) {
                    foreach ($this->submissionplugins as $plugin) {
                        if ($plugin->is_enabled() && $plugin->is_visible()) {
                            $pluginfiles = $plugin->get_files($submission);
                            foreach ($pluginfiles as $zipfilename => $file) {
                                $subtype = $plugin->get_subtype();
                                $type = $plugin->get_type();
                                $prefixedfilename = $prefix . $subtype . '_' . $type . '_' . $zipfilename;
                                $filesforzipping[$prefixedfilename] = $file;
                            }
                        }
                    }
                }
            }
        }
        if ($zipfile = $this->pack_files($filesforzipping)) {
            $this->add_to_log('download all submissions', get_string('downloadall', 'assign'));
            // Send file and delete after sending.
            send_temp_file($zipfile, $filename);
        }
    }

                 if ($id == $groupid) {
                     $grouplist = get_string('subscribedthisgroup', 'forumng');
                     break;
                 }
             }
         } else {
             $numberofdiscussions = count($user->discussionids);
             if ($numberofdiscussions > 0) {
                 $numberofdiscussions = ($numberofdiscussions == 1 ? get_string("numberofdiscussion", "forumng", $numberofdiscussions) : get_string("numberofdiscussions", "forumng", $numberofdiscussions)) . '<br />';
             } else {
                 $numberofdiscussions = '';
             }
             $grouplist = '';
             if (count($user->groupids)) {
                 foreach ($user->groupids as $id) {
                     $grouplist .= groups_get_group_name($id) . '<br />';
                 }
             }
         }
         $row[] = $numberofdiscussions . $grouplist;
     }
     if ($user->link) {
         $table->data[] = $row;
     }
 }
 print html_writer::table($table);
 if ($canmanage) {
     if ($gotsome) {
         print '<div id="forumng-buttons"><input type="submit" ' . 'name="unsubscribe" value="' . get_string('unsubscribeselected', 'forumng') . '" /></div>';
     }
     print '</div></form>';

 /**
  *
  * @uses $CFG
  * @uses $USER
  */
 function display_filemanager_link()
 {
     global $CFG, $USER;
     if (!($course = get_record('course', 'id', $this->instance->pageid))) {
         error("Course ID is incorrect");
     }
     $coursecontext = get_context_instance(CONTEXT_COURSE, $this->instance->pageid);
     $canmanagegroups = has_capability('block/file_manager:canmanagegroups', $coursecontext);
     $this->content->items[] = "<a title=\"" . get_string('msgfilemanager', 'block_file_manager') . "\" href=\"{$CFG->wwwroot}/blocks/file_manager/view.php?id={$this->instance->pageid}&groupid=0\">" . get_string('myfiles', 'block_file_manager') . "</a>";
     $this->content->icons[] = "<img src=\"{$CFG->pixpath}/i/files.gif\" alt=\"\" />";
     // If the user is member of any group of this course, links for each group in which he belongs must be displayed
     $groupmode = groups_get_course_groupmode($course);
     $groupsarray = array();
     switch ($groupmode) {
         case NOGROUPS:
             // Nothing to display
             break;
         case SEPARATEGROUPS:
             if ($canmanagegroups) {
                 // Displays all groups because of super rights
                 $groupsarray = groups_get_all_groups($this->instance->pageid);
             } else {
                 // Display only links for groups in which the user is member
                 $groupsarray = groups_get_all_groups($this->instance->pageid, $USER->id);
             }
             break;
         case VISIBLEGROUPS:
             // Display a link for all groups
             $groupsarray = groups_get_all_groups($this->instance->pageid);
             break;
     }
     // Displays group links if user in a group.
     if (is_array($groupsarray)) {
         foreach ($groupsarray as $groupid => $value) {
             $this->content->items[] = "<a title=\"" . get_string('msgfilemanagergroup', 'block_file_manager') . "\" href=\"{$CFG->wwwroot}/blocks/file_manager/view.php?id={$this->instance->pageid}&groupid={$groupid}\">" . groups_get_group_name($groupid) . "</a>";
             $this->content->icons[] = "<img src=\"{$CFG->pixpath}/i/files.gif\" alt=\"\" />";
         }
     }
 }

 $PAGE->set_heading(format_string($course->fullname));
 echo $questionnaire->renderer->header();
 // Print the tabs.
 if ($byresponse) {
     $SESSION->questionnaire->current_tab = 'vrespsummary';
 }
 if ($individualresponse) {
     $SESSION->questionnaire->current_tab = 'individualresp';
 }
 include 'tabs.php';
 // Print the main part of the page.
 // TODO provide option to select how many columns and/or responses per page.
 if ($noresponses) {
     $questionnaire->page->add_to_page('respondentinfo', get_string('group') . ' <strong>' . groups_get_group_name($currentgroupid) . '</strong>: ' . get_string('noresponses', 'questionnaire'));
 } else {
     $groupname = get_string('group') . ': <strong>' . groups_get_group_name($currentgroupid) . '</strong>';
     if ($currentgroupid == 0) {
         $groupname = get_string('allparticipants');
     }
     if ($byresponse) {
         $respinfo = '';
         $respinfo .= $questionnaire->renderer->box_start();
         $respinfo .= $questionnaire->renderer->help_icon('viewindividualresponse', 'questionnaire') . '&nbsp;';
         $respinfo .= get_string('viewindividualresponse', 'questionnaire') . ' <strong> : ' . $groupname . '</strong>';
         $respinfo .= $questionnaire->renderer->box_end();
         $questionnaire->page->add_to_page('respondentinfo', $respinfo);
     }
     $questionnaire->survey_results_navbar_alpha($rid, $currentgroupid, $cm, $byresponse);
     if (!$byresponse) {
         // Show respondents individual responses.
         $questionnaire->view_response($rid, $referer = '', $blankquestionnaire = false, $resps, $compare = true, $isgroupmember = true, $allresponses = false, $currentgroupid);

 /**
  * This function returns sensible filename for a feedback file.
  * @param int|\assign $assignment
  * @param int $userid
  * @param int $attemptnumber (-1 means latest attempt)
  * @return string
  */
 protected static function get_downloadable_feedback_filename($assignment, $userid, $attemptnumber)
 {
     global $DB;
     $assignment = self::get_assignment_from_param($assignment);
     $groupmode = groups_get_activity_groupmode($assignment->get_course_module());
     $groupname = '';
     if ($groupmode) {
         $groupid = groups_get_activity_group($assignment->get_course_module(), true);
         $groupname = groups_get_group_name($groupid) . '-';
     }
     if ($groupname == '-') {
         $groupname = '';
     }
     $grade = $assignment->get_user_grade($userid, true, $attemptnumber);
     $user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
     if ($assignment->is_blind_marking()) {
         $prefix = $groupname . get_string('participant', 'assign');
         $prefix = str_replace('_', ' ', $prefix);
         $prefix = clean_filename($prefix . '_' . $assignment->get_uniqueid_for_user($userid) . '_');
     } else {
         $prefix = $groupname . fullname($user);
         $prefix = str_replace('_', ' ', $prefix);
         $prefix = clean_filename($prefix . '_' . $assignment->get_uniqueid_for_user($userid) . '_');
     }
     $prefix .= $grade->attemptnumber;
     return $prefix . '.pdf';
 }

/**
 * Update workshopplus grades in the gradebook
 *
 * Needed by grade_update_mod_grades() in lib/gradelib.php
 *
 * @category grade
 * @param stdClass $workshopplus instance object with extra cmidnumber and modname property
 * @param int $userid        update grade of specific user only, 0 means all participants
 * @return void
 */
function workshopplus_update_grades(stdclass $workshopplus, $userid = 0)
{
    global $CFG, $DB;
    require_once $CFG->libdir . '/gradelib.php';
    $whereuser = $userid ? ' AND authorid = :userid' : '';
    $params = array('workshopplusid' => $workshopplus->id, 'userid' => $userid);
    $sql = 'SELECT authorid, grade, gradeover, gradeoverby, feedbackauthor, feedbackauthorformat, timemodified, timegraded
              FROM {workshopplus_submissions}
             WHERE workshopplusid = :workshopplusid AND example=0' . $whereuser;
    $records = $DB->get_records_sql($sql, $params);
    $submissiongrades = array();
    foreach ($records as $record) {
        $grade = new stdclass();
        $grade->userid = $record->authorid;
        if (!is_null($record->gradeover)) {
            $grade->rawgrade = grade_floatval($workshopplus->grade * $record->gradeover / 100);
            $grade->usermodified = $record->gradeoverby;
        } else {
            $grade->rawgrade = grade_floatval($workshopplus->grade * $record->grade / 100);
        }
        $grade->feedback = $record->feedbackauthor;
        $grade->feedbackformat = $record->feedbackauthorformat;
        $grade->datesubmitted = $record->timemodified;
        $grade->dategraded = $record->timegraded;
        $submissiongrades[$record->authorid] = $grade;
        ////// Find the groupmates and also update their records
        ////////////By Morteza
        /// find the group id of the current user
        $usergroups = groups_get_user_groups($workshopplus->course, $grade->userid);
        $currentgroupid = $usergroups[0][0];
        // Get the current group name from the group id.
        $currentgroupname = groups_get_group_name($currentgroupid);
        // loop over members of that group
        $groupmembers = groups_get_members($currentgroupid, $fields = 'u.*');
        /* Commenting out section for blind copy of grades
            * -- Sayantan - 28.04.2015
           foreach ($groupmembers as $memberid=>$member){                    
               if ($memberid != $grade->userid) {
                   $newgrade = clone $grade;
                   $newgrade->userid = $memberid;
                   $submissiongrades[$memberid] = $newgrade;
               }
           }
           */
        //////////end by Morteza
        /*
         * Begin: Change by Sayantan
         * Date: 28.04.2015
         */
        // Also think of scenario where author belonged to another group - Not possible unless students are
        // allowed to resubmit their solutions - have to think about this one
        // Check if this assignment has been graded previously (entry exists in grade_grades)
        //      no -> this is a new grading, simply copy grade of author to the group members
        //      yes -> this is a regrading
        $params = array('workshopplusid' => $workshopplus->id, 'userid' => $grade->userid);
        $sql = 'SELECT COUNT(1) AS cnt FROM moodle_grade_grades grades ' . 'INNER JOIN moodle_grade_items items ' . 'WHERE items.id = grades.itemid AND items.iteminstance = :workshopplusid AND grades.userid=:userid';
        $records = $DB->get_records_sql($sql, $params);
        $flag_re_grading = 0;
        foreach ($records as $record) {
            if ($record->cnt > 0) {
                // Check if records exist in grade_grades
                $flag_re_grading = 1;
                // If records exist in grade_grades then this is a regrading
            }
        }
        if ($flag_re_grading == 0) {
            // This is a new grading, hence copy grades
            foreach ($groupmembers as $memberid => $member) {
                if ($memberid != $grade->userid) {
                    $newgrade = clone $grade;
                    $newgrade->userid = $memberid;
                    $submissiongrades[$memberid] = $newgrade;
                }
            }
        } else {
            // This is a re grading, hence existing grades should not be overwritten
            //          + Check the time in which each member joined the group
            //          + If the time of joining group is later than time of previous grading then member was in a
            //          separate group when the initial grading was done and should get the grades he/she received
            //          in that group
            //          + If the member has no previous records - assign zero grade since this assignment was not
            //          done by that member (as he was not part of any group when the assignment was first graded)
            //
            foreach ($groupmembers as $memberid => $member) {
                if ($memberid != $grade->userid) {
                    // Check time at which $memberid joined the group
                    $joining_time = 0;
                    $params = array('userid' => $memberid);
                    $sql = 'SELECT timeadded FROM moodle_groups_members WHERE userid=:userid';
                    $records = $DB->get_records_sql($sql, $params);
//.........这里部分代码省略.........