3 // This file is part of Moodle - http://moodle.org/
5 // Moodle is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // Moodle is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
19 * File in which the grader_report class is defined.
23 require_once($CFG->dirroot . '/grade/report/lib.php');
24 require_once($CFG->libdir.'/tablelib.php');
27 * Class providing an API for the grader report building and displaying.
31 class grade_report_grader extends grade_report {
39 * Array of errors for bulk grades updating.
40 * @var array $gradeserror
42 public $gradeserror = array();
47 * The id of the grade_item by which this report will be sorted.
48 * @var int $sortitemid
53 * Sortorder used in the SQL selections.
59 * An SQL fragment affecting the search for users.
60 * @var string $userselect
65 * The bound params for $userselect
66 * @var array $userselectparams
68 public $userselectparams = array();
71 * List of collapsed categories from user preference
72 * @var array $collapsed
77 * A count of the rows, used for css classes.
83 * Capability check caching
85 public $canviewhidden;
87 var $preferencespage=false;
90 * Constructor. Sets local copies of user preferences and initialises grade_tree.
91 * @param int $courseid
92 * @param object $gpr grade plugin return tracking object
93 * @param string $context
94 * @param int $page The current page being viewed (when report is paged)
95 * @param int $sortitemid The id of the grade_item by which to sort the table
97 public function __construct($courseid, $gpr, $context, $page=null, $sortitemid=null) {
99 parent::__construct($courseid, $gpr, $context, $page);
101 $this->canviewhidden = has_capability('moodle/grade:viewhidden', get_context_instance(CONTEXT_COURSE, $this->course->id));
103 // load collapsed settings for this report
104 if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
105 $this->collapsed = unserialize($collapsed);
107 $this->collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
110 if (empty($CFG->enableoutcomes)) {
113 $nooutcomes = get_user_preferences('grade_report_shownooutcomes');
116 // if user report preference set or site report setting set use it, otherwise use course or site setting
117 $switch = $this->get_pref('aggregationposition');
119 $switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
122 // Grab the grade_tree for this course
123 $this->gtree = new grade_tree($this->courseid, true, $switch, $this->collapsed, $nooutcomes);
125 $this->sortitemid = $sortitemid;
127 // base url for sorting by first/last name
129 $this->baseurl = new moodle_url('index.php', array('id' => $this->courseid));
131 $studentsperpage = $this->get_pref('studentsperpage');
132 if (!empty($studentsperpage)) {
133 $this->baseurl->params(array('perpage' => $studentsperpage, 'page' => $this->page));
136 $this->pbarurl = new moodle_url('/grade/report/grader/index.php', array('id' => $this->courseid, 'perpage' => $studentsperpage));
138 $this->setup_groups();
140 $this->setup_sortitemid();
144 * Processes the data sent by the form (grades and feedbacks).
145 * Caller is reposible for all access control checks
146 * @param array $data form submission (with magic quotes)
147 * @return array empty array if success, array of warnings if something fails.
149 public function process_data($data) {
153 $separategroups = false;
155 if ($this->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $this->context)) {
156 $separategroups = true;
157 $mygroups = groups_get_user_groups($this->course->id);
158 $mygroups = $mygroups[0]; // ignore groupings
159 // reorder the groups fro better perf bellow
160 $current = array_search($this->currentgroup, $mygroups);
161 if ($current !== false) {
162 unset($mygroups[$current]);
163 array_unshift($mygroups, $this->currentgroup);
167 // always initialize all arrays
169 foreach ($data as $varname => $postedvalue) {
171 $needsupdate = false;
173 // skip, not a grade nor feedback
174 if (strpos($varname, 'grade') === 0) {
176 } else if (strpos($varname, 'feedback') === 0) {
177 $datatype = 'feedback';
182 $gradeinfo = explode("_", $varname);
183 $userid = clean_param($gradeinfo[1], PARAM_INT);
184 $itemid = clean_param($gradeinfo[2], PARAM_INT);
186 $oldvalue = $data->{'old'.$varname};
188 // was change requested?
189 if ($oldvalue == $postedvalue) { // string comparison
193 if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
194 print_error('invalidgradeitmeid');
198 if ($datatype == 'grade') {
200 $feedbackformat = false;
201 if ($gradeitem->gradetype == GRADE_TYPE_SCALE) {
202 if ($postedvalue == -1) { // -1 means no grade
205 $finalgrade = $postedvalue;
208 $finalgrade = unformat_float($postedvalue);
212 // Warn if the grade is out of bounds.
213 if (is_null($finalgrade)) {
216 $bounded = $gradeitem->bounded_grade($finalgrade);
217 if ($bounded > $finalgrade) {
218 $errorstr = 'lessthanmin';
219 } else if ($bounded < $finalgrade) {
220 $errorstr = 'morethanmax';
224 $user = $DB->get_record('user', array('id' => $userid), 'id, firstname, lastname');
225 $gradestr = new object();
226 $gradestr->username = fullname($user);
227 $gradestr->itemname = $gradeitem->get_name();
228 $warnings[] = get_string($errorstr, 'grades', $gradestr);
231 } else if ($datatype == 'feedback') {
233 $trimmed = trim($postedvalue);
234 if (empty($trimmed)) {
237 $feedback = stripslashes($postedvalue);
241 // group access control
242 if ($separategroups) {
243 // note: we can not use $this->currentgroup because it would fail badly
244 // when having two browser windows each with different group
245 $sharinggroup = false;
246 foreach($mygroups as $groupid) {
247 if (groups_is_member($groupid, $userid)) {
248 $sharinggroup = true;
252 if (!$sharinggroup) {
253 // either group membership changed or somebedy is hacking grades of other group
254 $warnings[] = get_string('errorsavegrade', 'grades');
259 $gradeitem->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE);
267 * Setting the sort order, this depends on last state
268 * all this should be in the new table class that we might need to use
269 * for displaying grades.
271 private function setup_sortitemid() {
275 if ($this->sortitemid) {
276 if (!isset($SESSION->gradeuserreport->sort)) {
277 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
278 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
280 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
283 // this is the first sort, i.e. by last name
284 if (!isset($SESSION->gradeuserreport->sortitemid)) {
285 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
286 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
288 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
290 } else if ($SESSION->gradeuserreport->sortitemid == $this->sortitemid) {
292 if ($SESSION->gradeuserreport->sort == 'ASC') {
293 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
295 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
298 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
299 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
301 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
305 $SESSION->gradeuserreport->sortitemid = $this->sortitemid;
307 // not requesting sort, use last setting (for paging)
309 if (isset($SESSION->gradeuserreport->sortitemid)) {
310 $this->sortitemid = $SESSION->gradeuserreport->sortitemid;
312 $this->sortitemid = 'lastname';
315 if (isset($SESSION->gradeuserreport->sort)) {
316 $this->sortorder = $SESSION->gradeuserreport->sort;
318 $this->sortorder = 'ASC';
324 * pulls out the userids of the users to be display, and sorts them
326 public function load_users() {
329 list($usql, $gbrparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
331 if (is_numeric($this->sortitemid)) {
332 $params = array_merge(array('gitemid'=>$this->sortitemid), $gbrparams, $this->groupwheresql_params);
333 // the MAX() magic is required in order to please PG
334 $sort = "MAX(g.finalgrade) $this->sortorder";
336 $sql = "SELECT u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
338 JOIN {role_assignments} ra ON ra.userid = u.id
340 LEFT JOIN {grade_grades} g ON (g.userid = u.id AND g.itemid = :gitemid)
341 WHERE ra.roleid $usql AND u.deleted = 0
343 AND ra.contextid ".get_related_contexts_string($this->context)."
344 GROUP BY u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
348 switch($this->sortitemid) {
350 $sort = "u.lastname $this->sortorder, u.firstname $this->sortorder"; break;
352 $sort = "u.firstname $this->sortorder, u.lastname $this->sortorder"; break;
355 $sort = "u.idnumber $this->sortorder"; break;
358 $params = array_merge($gbrparams, $this->groupwheresql_params);
359 $sql = "SELECT DISTINCT u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
361 JOIN {role_assignments} ra ON u.id = ra.userid
363 WHERE ra.roleid $usql AND u.deleted = 0
365 AND ra.contextid ".get_related_contexts_string($this->context)."
370 $this->users = $DB->get_records_sql($sql, $params, $this->get_pref('studentsperpage') * $this->page, $this->get_pref('studentsperpage'));
372 if (empty($this->users)) {
373 $this->userselect = '';
374 $this->users = array();
375 $this->userselect_params = array();
377 list($usql, $params) = $DB->get_in_or_equal(array_keys($this->users), SQL_PARAMS_NAMED, 'usid0');
378 $this->userselect = "AND g.userid $usql";
379 $this->userselect_params = $params;
386 * we supply the userids in this query, and get all the grades
387 * pulls out all the grades, this does not need to worry about paging
389 public function load_final_grades() {
392 // please note that we must fetch all grade_grades fields if we want to contruct grade_grade object from it!
393 $params = array_merge(array('courseid'=>$this->courseid), $this->userselect_params);
395 FROM {grade_items} gi,
397 WHERE g.itemid = gi.id AND gi.courseid = :courseid {$this->userselect}";
399 $userids = array_keys($this->users);
402 if ($grades = $DB->get_records_sql($sql, $params)) {
403 foreach ($grades as $graderec) {
404 if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->get_items())) { // some items may not be present!!
405 $this->grades[$graderec->userid][$graderec->itemid] = new grade_grade($graderec, false);
406 $this->grades[$graderec->userid][$graderec->itemid]->grade_item =& $this->gtree->get_item($graderec->itemid); // db caching
411 // prefil grades that do not exist yet
412 foreach ($userids as $userid) {
413 foreach ($this->gtree->get_items() as $itemid=>$unused) {
414 if (!isset($this->grades[$userid][$itemid])) {
415 $this->grades[$userid][$itemid] = new grade_grade();
416 $this->grades[$userid][$itemid]->itemid = $itemid;
417 $this->grades[$userid][$itemid]->userid = $userid;
418 $this->grades[$userid][$itemid]->grade_item =& $this->gtree->get_item($itemid); // db caching
425 * Builds and returns a div with on/off toggles.
426 * @return string HTML code
428 public function get_toggles_html() {
429 global $CFG, $USER, $COURSE, $OUTPUT;
432 if ($USER->gradeediting[$this->courseid]) {
433 if (has_capability('moodle/grade:manage', $this->context) or has_capability('moodle/grade:hide', $this->context)) {
434 $html .= $this->print_toggle('eyecons');
436 if (has_capability('moodle/grade:manage', $this->context)
437 or has_capability('moodle/grade:lock', $this->context)
438 or has_capability('moodle/grade:unlock', $this->context)) {
439 $html .= $this->print_toggle('locks');
441 if (has_capability('moodle/grade:manage', $this->context)) {
442 $html .= $this->print_toggle('quickfeedback');
445 if (has_capability('moodle/grade:manage', $this->context)) {
446 $html .= $this->print_toggle('calculations');
450 if ($this->canviewhidden) {
451 $html .= $this->print_toggle('averages');
454 $html .= $this->print_toggle('ranges');
455 if (!empty($CFG->enableoutcomes)) {
456 $html .= $this->print_toggle('nooutcomes');
459 return $OUTPUT->container($html, 'grade-report-toggles');
463 * Shortcut function for printing the grader report toggles.
464 * @param string $type The type of toggle
465 * @param bool $return Whether to return the HTML string rather than printing it
468 public function print_toggle($type) {
469 global $CFG, $OUTPUT;
471 $icons = array('eyecons' => 't/hide',
472 'calculations' => 't/calc',
474 'averages' => 't/mean',
475 'quickfeedback' => 't/feedback',
476 'nooutcomes' => 't/outcomes');
478 $prefname = 'grade_report_show' . $type;
480 if (array_key_exists($prefname, $CFG)) {
481 $showpref = get_user_preferences($prefname, $CFG->$prefname);
483 $showpref = get_user_preferences($prefname);
486 $strshow = $this->get_lang_string('show' . $type, 'grades');
487 $strhide = $this->get_lang_string('hide' . $type, 'grades');
497 if (array_key_exists($type, $icons)) {
498 $imagename = $icons[$type];
500 $imagename = "t/$type.gif";
503 $string = ${'str' . $showhide};
505 $aurl = clone($this->baseurl);
506 $url->params(array('toggle' => $toggleaction, 'toggle_type' => $type));
508 $retval = $OUTPUT->container($OUTPUT->action_icon($url, new pix_icon($imagename, $string))); // TODO: this container looks wrong here
514 * Builds and returns the rows that will make up the left part of the grader report
515 * This consists of student names and icons, links to user reports and id numbers, as well
516 * as header cells for these columns. It also includes the fillers required for the
517 * categories displayed on the right side of the report.
518 * @return array Array of html_table_row objects
520 public function get_left_rows() {
521 global $CFG, $USER, $OUTPUT;
525 $showuserimage = $this->get_pref('showuserimage');
526 $showuseridnumber = $this->get_pref('showuseridnumber');
527 $fixedstudents = $this->is_fixed_students();
529 $strfeedback = $this->get_lang_string("feedback");
530 $strgrade = $this->get_lang_string('grade');
532 $arrows = $this->get_sort_arrows();
536 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
540 if ($showuseridnumber) {
544 $levels = count($this->gtree->levels) - 1;
546 for ($i = 0; $i < $levels; $i++) {
547 $fillercell = new html_table_cell();
548 $fillercell->add_classes(array('fixedcolumn', 'cell', 'topleft'));
549 $fillercell->text = ' ';
550 $fillercell->colspan = $colspan;
551 $row = new html_table_row(array($fillercell));
555 $headerrow = new html_table_row();
556 $headerrow->add_class('heading');
558 $studentheader = new html_table_cell();
559 $studentheader->add_classes(array('header'));
560 $studentheader->scope = 'col';
561 $studentheader->header = true;
562 $studentheader->id = 'studentheader';
563 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
564 $studentheader->colspan = 2;
566 $studentheader->text = $arrows['studentname'];
568 $headerrow->cells[] = $studentheader;
570 if ($showuseridnumber) {
571 // TODO: weird, this is not used anywhere
572 $sortidnumberlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'idnumber')), get_string('idnumber'));
574 $idnumberheader = new html_table_cell();
575 $idnumberheader->add_classes(array('header', 'useridnumber'));
576 $idnumberheader->scope = 'col';
577 $idnumberheader->header = true;
578 $idnumberheader->text = $arrows['idnumber'];
580 $headerrow->cells[] = $idnumberheader;
583 $rows[] = $headerrow;
585 $rows = $this->get_left_icons_row($rows, $colspan);
587 $rowclasses = array('even', 'odd');
589 foreach ($this->users as $userid => $user) {
590 $userrow = new html_table_row();
591 $userrow->id = 'fixed_user_'.$userid;
592 $userrow->add_classes(array('r'.$this->rowcount++, $rowclasses[$this->rowcount % 2]));
594 $usercell = new html_table_cell();
595 $usercell->add_classes(array('user'));
596 $usercell->header = true;
597 $usercell->scope = 'row';
599 if ($showuserimage) {
600 $usercell->text = $OUTPUT->container($OUTPUT->user_picture($user), 'userpic');
603 $usercell->text .= html_writer::link(new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $this->course->id)), fullname($user));
605 $userrow->cells[] = $usercell;
607 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
608 $userreportcell = new html_table_cell();
609 $userreportcell->add_class('userreport');
610 $userreportcell->header = true;
611 $a->user = fullname($user);
612 $strgradesforuser = get_string('gradesforuser', 'grades', $a);
613 $url = new moodle_url('/grade/report/'.$CFG->grade_profilereport.'/index.php', array('userid' => $user->id, 'id' => $this->course->id));
614 $userreportcell->text = $OUTPUT->action_icon($url, new pix_icon('t/grades', $strgradesforuser));
615 $userrow->cells[] = $userreportcell;
618 if ($showuseridnumber) {
619 $idnumbercell = new html_table_cell();
620 $idnumbercell->add_classes(array('header', 'useridnumber'));
621 $idnumbercell->header = true;
622 $idnumbercell->scope = 'row';
623 $userrow->cells[] = $idnumbercell;
629 $rows = $this->get_left_range_row($rows, $colspan);
630 $rows = $this->get_left_avg_row($rows, $colspan, true);
631 $rows = $this->get_left_avg_row($rows, $colspan);
637 * Builds and returns the rows that will make up the right part of the grader report
638 * @return array Array of html_table_row objects
640 public function get_right_rows() {
641 global $CFG, $USER, $OUTPUT, $DB, $PAGE;
645 $numrows = count($this->gtree->get_levels());
646 $numusers = count($this->users);
648 $columnstounset = array();
649 $strgrade = $this->get_lang_string('grade');
650 $strfeedback = $this->get_lang_string("feedback");
651 $arrows = $this->get_sort_arrows();
653 $jsarguments = array(
654 'id' => '#fixed_column',
655 'cfg' => array('ajaxenabled'=>false),
658 'feedback' => array()
662 foreach ($this->gtree->get_levels() as $key=>$row) {
664 // do not display course grade category
668 $headingrow = new html_table_row();
669 $headingrow->add_class('heading_name_row');
671 foreach ($row as $columnkey => $element) {
672 $sortlink = clone($this->baseurl);
673 if (isset($element['object']->id)) {
674 $sortlink->param('sortitemid', $element['object']->id);
677 $eid = $element['eid'];
678 $object = $element['object'];
679 $type = $element['type'];
680 $categorystate = @$element['categorystate'];
682 $iteminstance = null;
684 if (!empty($element['colspan'])) {
685 $colspan = $element['colspan'];
690 if (!empty($element['depth'])) {
691 $catlevel = 'catlevel'.$element['depth'];
696 // Element is a filler
697 if ($type == 'filler' or $type == 'fillerfirst' or $type == 'fillerlast') {
698 $fillercell = new html_table_cell();
699 $fillercell->add_classes(array($type, $catlevel));
700 $fillercell->colspan = $colspan;
701 $fillercell->text = ' ';
702 $fillercell->header = true;
703 $fillercell->scope = 'col';
704 $headingrow->cells[] = $fillercell;
706 // Element is a category
707 else if ($type == 'category') {
708 $categorycell = new html_table_cell();
709 $categorycell->add_classes(array('category', $catlevel));
710 $categorycell->colspan = $colspan;
711 $categorycell->text = shorten_text($element['object']->get_name());
712 $categorycell->text .= $this->get_collapsing_icon($element);
713 $categorycell->header = true;
714 $categorycell->scope = 'col';
717 if ($USER->gradeediting[$this->courseid]) {
718 $categorycell->text .= $this->get_icons($element);
721 $headingrow->cells[] = $categorycell;
723 // Element is a grade_item
725 $itemmodule = $element['object']->itemmodule;
726 $iteminstance = $element['object']->iteminstance;
728 if ($element['object']->id == $this->sortitemid) {
729 if ($this->sortorder == 'ASC') {
730 $arrow = $this->get_sort_arrow('up', $sortlink);
732 $arrow = $this->get_sort_arrow('down', $sortlink);
735 $arrow = $this->get_sort_arrow('move', $sortlink);
738 $headerlink = $this->gtree->get_element_header($element, true, $this->get_pref('showactivityicons'), false);
740 $itemcell = new html_table_cell();
741 $itemcell->add_classes(array($type, $catlevel, 'highlightable'));
743 if ($element['object']->is_hidden()) {
744 $itemcell->add_class('hidden');
747 $itemcell->colspan = $colspan;
748 $itemcell->text = shorten_text($headerlink) . $arrow;
749 $itemcell->header = true;
750 $itemcell->scope = 'col';
752 $headingrow->cells[] = $itemcell;
756 $rows[] = $headingrow;
759 $rows = $this->get_right_icons_row($rows);
761 // Preload scale objects for items with a scaleid
762 $scaleslist = array();
763 $tabindices = array();
765 foreach ($this->gtree->get_items() as $itemid=>$item) {
767 if (!empty($item->scaleid)) {
768 $scaleslist[] = $item->scaleid;
769 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'scale', 'scale'=>$item->scaleid, 'decimals'=>$item->get_decimals());
771 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'value', 'scale'=>false, 'decimals'=>$item->get_decimals());
773 $tabindices[$item->id]['grade'] = $gradetabindex;
774 $tabindices[$item->id]['feedback'] = $gradetabindex + $numusers;
775 $gradetabindex += $numusers * 2;
777 $scalesarray = array();
779 if (!empty($scaleslist)) {
780 $scalesarray = $DB->get_records_list('scale', 'id', $scaleslist);
782 $jsscales = $scalesarray;
784 $rowclasses = array('even', 'odd');
786 foreach ($this->users as $userid => $user) {
788 if ($this->canviewhidden) {
792 $hidingaffected = grade_grade::get_hiding_affected($this->grades[$userid], $this->gtree->get_items());
793 $altered = $hidingaffected['altered'];
794 $unknown = $hidingaffected['unknown'];
795 unset($hidingaffected);
799 $itemrow = new html_table_row();
800 $itemrow->id = 'user_'.$userid;
801 $itemrow->add_class($rowclasses[$this->rowcount % 2]);
803 $jsarguments['users'][$userid] = fullname($user);
805 foreach ($this->gtree->items as $itemid=>$unused) {
806 $item =& $this->gtree->items[$itemid];
807 $grade = $this->grades[$userid][$item->id];
809 $itemcell = new html_table_cell();
811 $itemcell->id = 'u'.$userid.'i'.$itemid;
813 // Get the decimal points preference for this item
814 $decimalpoints = $item->get_decimals();
816 if (in_array($itemid, $unknown)) {
818 } else if (array_key_exists($itemid, $altered)) {
819 $gradeval = $altered[$itemid];
821 $gradeval = $grade->finalgrade;
825 // Hide grades in the grader report if the current grader doesn't have 'moodle/grade:viewhidden'
826 if (!$this->canviewhidden and $grade->is_hidden()) {
827 if (!empty($CFG->grade_hiddenasdate) and $grade->get_datesubmitted() and !$item->is_category_item() and !$item->is_course_item()) {
828 // the problem here is that we do not have the time when grade value was modified, 'timemodified' is general modification date for grade_grades records
829 $itemcell->text = html_writer::tag('span', userdate($grade->get_datesubmitted(),get_string('strftimedatetimeshort')), array('class'=>'datesubmitted'));
831 $itemcell->text = '-';
833 $itemrow->cells[] = $itemcell;
837 // emulate grade element
838 $eid = $this->gtree->get_grade_eid($grade);
839 $element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade');
841 $itemcell->add_class('grade');
842 if ($item->is_category_item()) {
843 $itemcell->add_class('cat');
845 if ($item->is_course_item()) {
846 $itemcell->add_class('course');
848 if ($grade->is_overridden()) {
849 $itemcell->add_class('overridden');
852 if ($grade->is_excluded()) {
853 // $itemcell->add_class('excluded');
856 if (!empty($grade->feedback)) {
857 $jsarguments['feedback'][] = array('user'=>$userid, 'item'=>$itemid, 'content'=>wordwrap(trim(format_string($grade->feedback, $grade->feedbackformat)), 34, '<br/ >'));
860 if ($grade->is_excluded()) {
861 $itemcell->text .= html_writer::tag('span', get_string('excluded', 'grades'), array('class'=>'excludedfloater'));
864 // Do not show any icons if no grade (no record in DB to match)
865 if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) {
866 $itemcell->text .= $this->get_icons($element);
870 if ($grade->is_hidden()) {
871 $hidden = ' hidden ';
874 $gradepass = ' gradefail ';
875 if ($grade->is_passed($item)) {
876 $gradepass = ' gradepass ';
877 } elseif (is_null($grade->is_passed($item))) {
881 // if in editting mode, we need to print either a text box
882 // or a drop down (for scales)
883 // grades in item of type grade category or course are not directly editable
884 if ($item->needsupdate) {
885 $itemcell->text .= html_writer::tag('span', get_string('error'), array('class'=>"gradingerror$hidden"));
887 } else if ($USER->gradeediting[$this->courseid]) {
889 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
890 $scale = $scalesarray[$item->scaleid];
891 $gradeval = (int)$gradeval; // scales use only integers
892 $scales = explode(",", $scale->scale);
893 // reindex because scale is off 1
895 // MDL-12104 some previous scales might have taken up part of the array
896 // so this needs to be reset
899 foreach ($scales as $scaleoption) {
901 $scaleopt[$i] = $scaleoption;
904 if ($this->get_pref('quickgrading') and $grade->is_editable()) {
905 $oldval = empty($gradeval) ? -1 : $gradeval;
906 if (empty($item->outcomeid)) {
907 $nogradestr = $this->get_lang_string('nograde');
909 $nogradestr = $this->get_lang_string('nooutcome', 'grades');
911 $itemcell->text .= '<input type="hidden" id="oldgrade_'.$userid.'_'.$item->id.'" name="oldgrade_'.$userid.'_'.$item->id.'" value="'.$oldval.'"/>';
912 $attributes = array('tabindex' => $tabindices[$item->id]['grade'], 'id'=>'grade_'.$userid.'_'.$item->id);
913 $itemcell->text .= html_writer::select($scaleopt, 'grade_'.$userid.'_'.$item->id, $gradeval, array(-1=>$nogradestr), $attributes);;
914 } elseif(!empty($scale)) {
915 $scales = explode(",", $scale->scale);
917 // invalid grade if gradeval < 1
919 $itemcell->text .= html_writer::tag('span', '-', array('class'=>"gradevalue$hidden$gradepass"));
921 $gradeval = $grade->grade_item->bounded_grade($gradeval); //just in case somebody changes scale
922 $itemcell->text .= html_writer::tag('span', $scales[$gradeval-1], array('class'=>"gradevalue$hidden$gradepass"));
925 // no such scale, throw error?
928 } else if ($item->gradetype != GRADE_TYPE_TEXT) { // Value type
929 if ($this->get_pref('quickgrading') and $grade->is_editable()) {
930 $value = format_float($gradeval, $decimalpoints);
931 $itemcell->text .= '<input type="hidden" id="oldgrade_'.$userid.'_'.$item->id.'" name="oldgrade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
932 $itemcell->text .= '<input size="6" tabindex="' . $tabindices[$item->id]['grade']
933 . '" type="text" class="text" title="'. $strgrade .'" name="grade_'
934 .$userid.'_' .$item->id.'" id="grade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
936 $itemcell->text .= html_writer::tag('span', format_float($gradeval, $decimalpoints), array('class'=>"gradevalue$hidden$gradepass"));
941 // If quickfeedback is on, print an input element
942 if ($this->get_pref('showquickfeedback') and $grade->is_editable()) {
944 $itemcell->text .= '<input type="hidden" id="oldfeedback_'.$userid.'_'.$item->id.'" name="oldfeedback_'.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
945 $itemcell->text .= '<input class="quickfeedback" tabindex="' . $tabindices[$item->id]['feedback'].'" id="feedback_'.$userid.'_'.$item->id
946 . '" size="6" title="' . $strfeedback . '" type="text" name="feedback_'.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
949 } else { // Not editing
950 $gradedisplaytype = $item->get_displaytype();
952 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
953 $itemcell->add_class('grade_type_scale');
954 } else if ($item->gradetype != GRADE_TYPE_TEXT) {
955 $itemcell->add_class('grade_type_text');
958 if ($item->needsupdate) {
959 $itemcell->text .= html_writer::tag('span', get_string('error'), array('class'=>"gradingerror$hidden$gradepass"));
961 $itemcell->text .= html_writer::tag('span', grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null), array('class'=>"gradevalue$hidden$gradepass"));
965 if (!empty($this->gradeserror[$item->id][$userid])) {
966 $itemcell->text .= $this->gradeserror[$item->id][$userid];
969 $itemrow->cells[] = $itemcell;
974 if ($this->get_pref('enableajax')) {
975 $jsarguments['cfg']['ajaxenabled'] = true;
976 $jsarguments['cfg']['scales'] = array();
977 foreach ($jsscales as $scale) {
978 $jsarguments['cfg']['scales'][$scale->id] = explode(',',$scale->scale);
980 $jsarguments['cfg']['feedbacktrunclength'] = $this->feedback_trunc_length;
981 $jsarguments['cfg']['feedback'] = $this->feedbacks;
983 $jsarguments['cfg']['isediting'] = (bool)$USER->gradeediting[$this->courseid];
984 $jsarguments['cfg']['courseid'] = $this->courseid;
985 $jsarguments['cfg']['studentsperpage'] = $this->get_pref('studentsperpage');
986 $jsarguments['cfg']['showquickfeedback'] = (bool)$this->get_pref('showquickfeedback');
989 'name' => 'gradereport_grader',
990 'fullpath' => '/grade/report/grader/module.js',
991 'requires' => array('base', 'dom', 'event', 'event-mouseenter', 'event-key', 'io', 'json-parse', 'overlay')
993 $PAGE->requires->js_init_call('M.gradereport_grader.init_report', $jsarguments, false, $module);
994 $PAGE->requires->strings_for_js(array('addfeedback','feedback', 'grade'), 'grades');
995 $PAGE->requires->strings_for_js(array('ajaxchoosescale','ajaxclicktoclose','ajaxerror','ajaxfailedupdate', 'ajaxfieldchanged'), 'gradereport_grader');
997 $rows = $this->get_right_range_row($rows);
998 $rows = $this->get_right_avg_row($rows, true);
999 $rows = $this->get_right_avg_row($rows);
1005 * Depending on the style of report (fixedstudents vs traditional one-table),
1006 * arranges the rows of data in one or two tables, and returns the output of
1007 * these tables in HTML
1008 * @return string HTML
1010 public function get_grade_table() {
1012 $fixedstudents = $this->is_fixed_students();
1014 $leftrows = $this->get_left_rows();
1015 $rightrows = $this->get_right_rows();
1020 if ($fixedstudents) {
1021 $fixedcolumntable = new html_table();
1022 $fixedcolumntable->id = 'fixed_column';
1023 $fixedcolumntable->add_class('fixed_grades_column');
1024 $fixedcolumntable->bodyclasses = 'leftbody';
1025 $fixedcolumntable->data = $leftrows;
1026 $html .= $OUTPUT->container($OUTPUT->table($fixedcolumntable), 'left_scroller');
1028 $righttable = new html_table();
1029 $righttable->id = 'user-grades';
1030 $righttable->bodyclasses = array('righttest');
1031 $righttable->data = $rightrows;
1033 $html .= $OUTPUT->container($OUTPUT->table($righttable), 'right_scroller');
1035 $fulltable = new html_table();
1036 $fulltable->add_classes(array('gradestable', 'flexible', 'boxaligncenter', 'generaltable'));
1037 $fulltable->id = 'user-grades';
1039 // Extract rows from each side (left and right) and collate them into one row each
1040 foreach ($leftrows as $key => $row) {
1041 $row->cells = array_merge($row->cells, $rightrows[$key]->cells);
1042 $fulltable->data[] = $row;
1044 $html .= $OUTPUT->table($fulltable);
1046 return $OUTPUT->container($html, 'gradeparent');
1050 * Builds and return the row of icons for the left side of the report.
1051 * It only has one cell that says "Controls"
1052 * @param array $rows The Array of rows for the left part of the report
1053 * @param int $colspan The number of columns this cell has to span
1054 * @return array Array of rows for the left part of the report
1056 public function get_left_icons_row($rows=array(), $colspan=1) {
1059 if ($USER->gradeediting[$this->courseid]) {
1060 $controlsrow = new html_table_row();
1061 $controlsrow->add_class('controls');
1062 $controlscell = new html_table_cell();
1063 $controlscell->add_classes(array('header', 'controls'));
1064 $controlscell->colspan = $colspan;
1065 $controlscell->text = $this->get_lang_string('controls','grades');
1067 $controlsrow->cells[] = $controlscell;
1068 $rows[] = $controlsrow;
1074 * Builds and return the header for the row of ranges, for the left part of the grader report.
1075 * @param array $rows The Array of rows for the left part of the report
1076 * @param int $colspan The number of columns this cell has to span
1077 * @return array Array of rows for the left part of the report
1079 public function get_left_range_row($rows=array(), $colspan=1) {
1082 if ($this->get_pref('showranges')) {
1083 $rangerow = new html_table_row();
1084 $rangerow->add_classes(array('range', 'r'.$this->rowcount++));
1085 $rangecell = new html_table_cell();
1086 $rangecell->add_classes(array('header', 'range'));
1087 $rangecell->colspan = $colspan;
1088 $rangecell->header = true;
1089 $rangecell->scope = 'row';
1090 $rangecell->text = $this->get_lang_string('range','grades');
1091 $rangerow->cells[] = $rangecell;
1092 $rows[] = $rangerow;
1099 * Builds and return the headers for the rows of averages, for the left part of the grader report.
1100 * @param array $rows The Array of rows for the left part of the report
1101 * @param int $colspan The number of columns this cell has to span
1102 * @param bool $groupavg If true, returns the row for group averages, otherwise for overall averages
1103 * @return array Array of rows for the left part of the report
1105 public function get_left_avg_row($rows=array(), $colspan=1, $groupavg=false) {
1106 if (!$this->canviewhidden) {
1107 // totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered
1108 // better not show them at all if user can not see all hideen grades
1112 $showaverages = $this->get_pref('showaverages');
1113 $showaveragesgroup = $this->currentgroup && $showaverages;
1114 $straveragegroup = get_string('groupavg', 'grades');
1117 if ($showaveragesgroup) {
1118 $groupavgrow = new html_table_row();
1119 $groupavgrow->add_classes(array('groupavg', 'r'.$this->rowcount++));
1120 $groupavgcell = new html_table_cell();
1121 $groupavgcell->add_classes(array('header', 'range'));
1122 $groupavgcell->colspan = $colspan;
1123 $groupavgcell->header = true;
1124 $groupavgcell->scope = 'row';
1125 $groupavgcell->text = $straveragegroup;
1126 $groupavgrow->cells[] = $groupavgcell;
1127 $rows[] = $groupavgrow;
1130 $straverage = get_string('overallaverage', 'grades');
1132 if ($showaverages) {
1133 $avgrow = new html_table_row();
1134 $avgrow->add_classes(array('avg', 'r'.$this->rowcount++));
1135 $avgcell = new html_table_cell();
1136 $avgcell->add_classes(array('header', 'range'));
1137 $avgcell->colspan = $colspan;
1138 $avgcell->header = true;
1139 $avgcell->scope = 'row';
1140 $avgcell->text = $straverage;
1141 $avgrow->cells[] = $avgcell;
1150 * Builds and return the row of icons when editing is on, for the right part of the grader report.
1151 * @param array $rows The Array of rows for the right part of the report
1152 * @return array Array of rows for the right part of the report
1154 public function get_right_icons_row($rows=array()) {
1156 if ($USER->gradeediting[$this->courseid]) {
1157 $iconsrow = new html_table_row();
1158 $iconsrow->add_class('controls');
1160 $showuseridnumber = $this->get_pref('showuseridnumber');
1162 foreach ($this->gtree->items as $itemid=>$unused) {
1163 // emulate grade element
1164 $item =& $this->gtree->get_item($itemid);
1166 $eid = $this->gtree->get_item_eid($item);
1167 $element = $this->gtree->locate_element($eid);
1168 $itemcell = new html_table_cell();
1169 $itemcell->add_classes(array('controls', 'icons'));
1170 $itemcell->text = $this->get_icons($element);
1171 $iconsrow->cells[] = $itemcell;
1173 $rows[] = $iconsrow;
1179 * Builds and return the row of ranges for the right part of the grader report.
1180 * @param array $rows The Array of rows for the right part of the report
1181 * @return array Array of rows for the right part of the report
1183 public function get_right_range_row($rows=array()) {
1186 if ($this->get_pref('showranges')) {
1187 $rangesdisplaytype = $this->get_pref('rangesdisplaytype');
1188 $rangesdecimalpoints = $this->get_pref('rangesdecimalpoints');
1189 $rangerow = new html_table_row();
1190 $rangerow->add_classes(array('heading', 'range'));
1192 foreach ($this->gtree->items as $itemid=>$unused) {
1193 $item =& $this->gtree->items[$itemid];
1194 $itemcell = new html_table_cell();
1195 $itemcell->header = true;
1196 $itemcell->add_classes(array('header', 'range'));
1199 if ($item->is_hidden()) {
1200 $hidden = ' hidden ';
1203 $formattedrange = $item->get_formatted_range($rangesdisplaytype, $rangesdecimalpoints);
1205 $itemcell->text = $OUTPUT->container($formattedrange, 'rangevalues'.$hidden);
1206 $rangerow->cells[] = $itemcell;
1208 $rows[] = $rangerow;
1214 * Builds and return the row of averages for the right part of the grader report.
1215 * @param array $rows Whether to return only group averages or all averages.
1216 * @param bool $grouponly Whether to return only group averages or all averages.
1217 * @return array Array of rows for the right part of the report
1219 public function get_right_avg_row($rows=array(), $grouponly=false) {
1220 global $CFG, $USER, $DB, $OUTPUT;
1222 if (!$this->canviewhidden) {
1223 // totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered
1224 // better not show them at all if user can not see all hideen grades
1228 $showaverages = $this->get_pref('showaverages');
1229 $showaveragesgroup = $this->currentgroup && $showaverages;
1231 $averagesdisplaytype = $this->get_pref('averagesdisplaytype');
1232 $averagesdecimalpoints = $this->get_pref('averagesdecimalpoints');
1233 $meanselection = $this->get_pref('meanselection');
1234 $shownumberofgrades = $this->get_pref('shownumberofgrades');
1237 $avgcssclass = 'avg';
1240 $straverage = get_string('groupavg', 'grades');
1241 $showaverages = $this->currentgroup && $this->get_pref('showaverages');
1242 $groupsql = $this->groupsql;
1243 $groupwheresql = $this->groupwheresql;
1244 $groupwheresqlparams = $this->groupwheresql_params;
1245 $avgcssclass = 'groupavg';
1247 $straverage = get_string('overallaverage', 'grades');
1248 $showaverages = $this->get_pref('showaverages');
1250 $groupwheresql = "";
1251 $groupwheresqlparams = array();
1254 if ($shownumberofgrades) {
1255 $straverage .= ' (' . get_string('submissions', 'grades') . ') ';
1258 $totalcount = $this->get_numusers($grouponly);
1260 list($usql, $rolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
1262 if ($showaverages) {
1263 $params = array_merge(array('courseid'=>$this->courseid), $rolesparams, $groupwheresqlparams);
1265 // find sums of all grade items in course
1266 $SQL = "SELECT g.itemid, SUM(g.finalgrade) AS sum
1267 FROM {grade_items} gi
1268 JOIN {grade_grades} g ON g.itemid = gi.id
1269 JOIN {user} u ON u.id = g.userid
1270 JOIN {role_assignments} ra ON ra.userid = u.id
1272 WHERE gi.courseid = :courseid
1274 AND ra.contextid ".get_related_contexts_string($this->context)."
1275 AND g.finalgrade IS NOT NULL
1278 $sumarray = array();
1279 if ($sums = $DB->get_records_sql($SQL, $params)) {
1280 foreach ($sums as $itemid => $csum) {
1281 $sumarray[$itemid] = $csum->sum;
1285 // MDL-10875 Empty grades must be evaluated as grademin, NOT always 0
1286 // This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table)
1287 $params = array_merge(array('courseid'=>$this->courseid), $rolesparams, $groupwheresqlparams);
1288 $SQL = "SELECT gi.id, COUNT(u.id) AS count
1289 FROM {grade_items} gi
1291 JOIN {role_assignments} ra ON ra.userid = u.id
1292 LEFT OUTER JOIN {grade_grades} g ON (g.itemid = gi.id AND g.userid = u.id AND g.finalgrade IS NOT NULL)
1294 WHERE gi.courseid = :courseid
1296 AND ra.contextid ".get_related_contexts_string($this->context)."
1301 $ungradedcounts = $DB->get_records_sql($SQL, $params);
1303 $avgrow = new html_table_row();
1304 $avgrow->add_class('avg');
1306 foreach ($this->gtree->items as $itemid=>$unused) {
1307 $item =& $this->gtree->items[$itemid];
1309 if ($item->needsupdate) {
1310 $avgcell = new html_table_cell();
1311 $avgcell->text = $OUTPUT->container(get_string('error'), 'gradingerror');
1312 $avgrow->cells[] = $avgcell;
1316 if (!isset($sumarray[$item->id])) {
1317 $sumarray[$item->id] = 0;
1320 if (empty($ungradedcounts[$itemid])) {
1323 $ungradedcount = $ungradedcounts[$itemid]->count;
1326 if ($meanselection == GRADE_REPORT_MEAN_GRADED) {
1327 $meancount = $totalcount - $ungradedcount;
1328 } else { // Bump up the sum by the number of ungraded items * grademin
1329 $sumarray[$item->id] += $ungradedcount * $item->grademin;
1330 $meancount = $totalcount;
1333 $decimalpoints = $item->get_decimals();
1335 // Determine which display type to use for this average
1336 if ($USER->gradeediting[$this->courseid]) {
1337 $displaytype = GRADE_DISPLAY_TYPE_REAL;
1339 } else if ($averagesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave the report and user preferences
1340 $displaytype = $item->get_displaytype();
1343 $displaytype = $averagesdisplaytype;
1346 // Override grade_item setting if a display preference (not inherit) was set for the averages
1347 if ($averagesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) {
1348 $decimalpoints = $item->get_decimals();
1351 $decimalpoints = $averagesdecimalpoints;
1354 if (!isset($sumarray[$item->id]) || $meancount == 0) {
1355 $avgcell = new html_table_cell();
1356 $avgcell->text = '-';
1357 $avgrow->cells[] = $avgcell;
1360 $sum = $sumarray[$item->id];
1361 $avgradeval = $sum/$meancount;
1362 $gradehtml = grade_format_gradevalue($avgradeval, $item, true, $displaytype, $decimalpoints);
1364 $numberofgrades = '';
1365 if ($shownumberofgrades) {
1366 $numberofgrades = " ($meancount)";
1369 $avgcell = new html_table_cell();
1370 $avgcell->text = $gradehtml.$numberofgrades;
1371 $avgrow->cells[] = $avgcell;
1380 * Given a grade_category, grade_item or grade_grade, this function
1381 * figures out the state of the object and builds then returns a div
1382 * with the icons needed for the grader report.
1384 * @param object $object
1385 * @return string HTML
1387 protected function get_icons($element) {
1388 global $CFG, $USER, $OUTPUT;
1390 if (!$USER->gradeediting[$this->courseid]) {
1391 return '<div class="grade_icons" />';
1397 if ($element['type'] != 'categoryitem' && $element['type'] != 'courseitem') {
1398 $editicon = $this->gtree->get_edit_icon($element, $this->gpr);
1401 $editcalculationicon = '';
1403 $lockunlockicon = '';
1405 if (has_capability('moodle/grade:manage', $this->context)) {
1407 if ($this->get_pref('showcalculations')) {
1408 $editcalculationicon = $this->gtree->get_calculation_icon($element, $this->gpr);
1411 if ($this->get_pref('showeyecons')) {
1412 $showhideicon = $this->gtree->get_hiding_icon($element, $this->gpr);
1415 if ($this->get_pref('showlocks')) {
1416 $lockunlockicon = $this->gtree->get_locking_icon($element, $this->gpr);
1420 return $OUTPUT->container($editicon.$editcalculationicon.$showhideicon.$lockunlockicon, 'grade_icons');
1424 * Given a category element returns collapsing +/- icon if available
1425 * @param object $object
1426 * @return string HTML
1428 protected function get_collapsing_icon($element) {
1432 // If object is a category, display expand/contract icon
1433 if ($element['type'] == 'category') {
1434 // Load language strings
1435 $strswitchminus = $this->get_lang_string('aggregatesonly', 'grades');
1436 $strswitchplus = $this->get_lang_string('gradesonly', 'grades');
1437 $strswitchwhole = $this->get_lang_string('fullmode', 'grades');
1439 $url = new moodle_url($this->gpr->get_return_url(null, array('target'=>$element['eid'], 'sesskey'=>sesskey())));
1441 if (in_array($element['object']->id, $this->collapsed['aggregatesonly'])) {
1442 $url->param('action', 'switch_plus');
1443 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_plus', $strswitchplus));
1445 } else if (in_array($element['object']->id, $this->collapsed['gradesonly'])) {
1446 $url->param('action', 'switch_whole');
1447 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_whole', $strswitchwhole));
1448 $contractexpandicon->image->src = $OUTPUT->pix_url('t/switch_whole');
1451 $url->param('action', 'switch_minus');
1452 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_minus', $strswitchminus));
1459 * Processes a single action against a category, grade_item or grade.
1460 * @param string $target eid ({type}{id}, e.g. c4 for category4)
1461 * @param string $action Which action to take (edit, delete etc...)
1464 public function process_action($target, $action) {
1465 // TODO: this code should be in some grade_tree static method
1466 $targettype = substr($target, 0, 1);
1467 $targetid = substr($target, 1);
1470 if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
1471 $collapsed = unserialize($collapsed);
1473 $collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
1477 case 'switch_minus': // Add category to array of aggregatesonly
1478 if (!in_array($targetid, $collapsed['aggregatesonly'])) {
1479 $collapsed['aggregatesonly'][] = $targetid;
1480 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1484 case 'switch_plus': // Remove category from array of aggregatesonly, and add it to array of gradesonly
1485 $key = array_search($targetid, $collapsed['aggregatesonly']);
1486 if ($key !== false) {
1487 unset($collapsed['aggregatesonly'][$key]);
1489 if (!in_array($targetid, $collapsed['gradesonly'])) {
1490 $collapsed['gradesonly'][] = $targetid;
1492 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1494 case 'switch_whole': // Remove the category from the array of collapsed cats
1495 $key = array_search($targetid, $collapsed['gradesonly']);
1496 if ($key !== false) {
1497 unset($collapsed['gradesonly'][$key]);
1498 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1510 * Returns whether or not to display fixed students column.
1511 * Includes a browser check, because IE6 doesn't support the scrollbar.
1515 public function is_fixed_students() {
1517 return empty($USER->screenreader) && $CFG->grade_report_fixedstudents &&
1518 (check_browser_version('MSIE', '7.0') ||
1519 check_browser_version('Firefox', '2.0') ||
1520 check_browser_version('Gecko', '2006010100') ||
1521 check_browser_version('Camino', '1.0') ||
1522 check_browser_version('Opera', '6.0') ||
1523 check_browser_version('Safari', '2.0'));
1527 * Refactored function for generating HTML of sorting links with matching arrows.
1528 * Returns an array with 'studentname' and 'idnumber' as keys, with HTML ready
1529 * to inject into a table header cell.
1530 * @return array An associative array of HTML sorting links+arrows
1532 public function get_sort_arrows() {
1536 $strsortasc = $this->get_lang_string('sortasc', 'grades');
1537 $strsortdesc = $this->get_lang_string('sortdesc', 'grades');
1538 $strfirstname = $this->get_lang_string('firstname');
1539 $strlastname = $this->get_lang_string('lastname');
1541 $firstlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'firstname')), $strfirstname);
1542 $lastlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'lastname')), $strlastname);
1543 $idnumberlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'idnumber')), get_string('idnumber'));
1545 $arrows['studentname'] = $lastlink;
1547 if ($this->sortitemid === 'lastname') {
1548 if ($this->sortorder == 'ASC') {
1549 $arrows['studentname'] .= print_arrow('up', $strsortasc, true);
1551 $arrows['studentname'] .= print_arrow('down', $strsortdesc, true);
1555 $arrows['studentname'] .= ' ' . $firstlink;
1557 if ($this->sortitemid === 'firstname') {
1558 if ($this->sortorder == 'ASC') {
1559 $arrows['studentname'] .= print_arrow('up', $strsortasc, true);
1561 $arrows['studentname'] .= print_arrow('down', $strsortdesc, true);
1565 $arrows['idnumber'] = $idnumberlink;
1567 if ('idnumber' == $this->sortitemid) {
1568 if ($this->sortorder == 'ASC') {
1569 $arrows['idnumber'] .= print_arrow('up', $strsortasc, true);
1571 $arrows['idnumber'] .= print_arrow('down', $strsortdesc, true);