2 // This file is part of Moodle - http://moodle.org/
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
18 * Definition of the grader report class
20 * @package gradereport_grader
21 * @copyright 2007 Nicolas Connault
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 require_once($CFG->dirroot . '/grade/report/lib.php');
26 require_once($CFG->libdir.'/tablelib.php');
29 * Class providing an API for the grader report building and displaying.
31 * @package gradereport_grader
33 class grade_report_grader extends grade_report {
41 * Array of errors for bulk grades updating.
42 * @var array $gradeserror
44 public $gradeserror = array();
49 * The id of the grade_item by which this report will be sorted.
50 * @var int $sortitemid
55 * Sortorder used in the SQL selections.
61 * An SQL fragment affecting the search for users.
62 * @var string $userselect
67 * The bound params for $userselect
68 * @var array $userselectparams
70 public $userselectparams = array();
73 * List of collapsed categories from user preference
74 * @var array $collapsed
79 * A count of the rows, used for css classes.
85 * Capability check caching
87 public $canviewhidden;
89 var $preferencespage=false;
92 * Length at which feedback will be truncated (to the nearest word) and an ellipsis be added.
93 * TODO replace this by a report preference
94 * @var int $feedback_trunc_length
96 protected $feedback_trunc_length = 50;
99 * Constructor. Sets local copies of user preferences and initialises grade_tree.
100 * @param int $courseid
101 * @param object $gpr grade plugin return tracking object
102 * @param string $context
103 * @param int $page The current page being viewed (when report is paged)
104 * @param int $sortitemid The id of the grade_item by which to sort the table
106 public function __construct($courseid, $gpr, $context, $page=null, $sortitemid=null) {
108 parent::__construct($courseid, $gpr, $context, $page);
110 $this->canviewhidden = has_capability('moodle/grade:viewhidden', context_course::instance($this->course->id));
112 // load collapsed settings for this report
113 if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
114 $this->collapsed = unserialize($collapsed);
116 $this->collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
119 if (empty($CFG->enableoutcomes)) {
122 $nooutcomes = get_user_preferences('grade_report_shownooutcomes');
125 // if user report preference set or site report setting set use it, otherwise use course or site setting
126 $switch = $this->get_pref('aggregationposition');
128 $switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
131 // Grab the grade_tree for this course
132 $this->gtree = new grade_tree($this->courseid, true, $switch, $this->collapsed, $nooutcomes);
134 $this->sortitemid = $sortitemid;
136 // base url for sorting by first/last name
138 $this->baseurl = new moodle_url('index.php', array('id' => $this->courseid));
140 $studentsperpage = $this->get_students_per_page();
141 if (!empty($this->page) && !empty($studentsperpage)) {
142 $this->baseurl->params(array('perpage' => $studentsperpage, 'page' => $this->page));
145 $this->pbarurl = new moodle_url('/grade/report/grader/index.php', array('id' => $this->courseid));
147 $this->setup_groups();
149 $this->setup_sortitemid();
153 * Processes the data sent by the form (grades and feedbacks).
154 * Caller is responsible for all access control checks
155 * @param array $data form submission (with magic quotes)
156 * @return array empty array if success, array of warnings if something fails.
158 public function process_data($data) {
162 $separategroups = false;
164 if ($this->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $this->context)) {
165 $separategroups = true;
166 $mygroups = groups_get_user_groups($this->course->id);
167 $mygroups = $mygroups[0]; // ignore groupings
168 // reorder the groups fro better perf below
169 $current = array_search($this->currentgroup, $mygroups);
170 if ($current !== false) {
171 unset($mygroups[$current]);
172 array_unshift($mygroups, $this->currentgroup);
176 // always initialize all arrays
179 $this->load_final_grades();
181 // Were any changes made?
182 $changedgrades = false;
184 foreach ($data as $varname => $students) {
186 $needsupdate = false;
188 // skip, not a grade nor feedback
189 if (strpos($varname, 'grade') === 0) {
191 } else if (strpos($varname, 'feedback') === 0) {
192 $datatype = 'feedback';
197 foreach ($students as $userid => $items) {
198 $userid = clean_param($userid, PARAM_INT);
199 foreach ($items as $itemid => $postedvalue) {
200 $itemid = clean_param($itemid, PARAM_INT);
202 // Was change requested?
203 $oldvalue = $this->grades[$userid][$itemid];
204 if ($datatype === 'grade') {
205 // If there was no grade and there still isn't
206 if (is_null($oldvalue->finalgrade) && $postedvalue == -1) {
211 // If the grade item uses a custom scale
212 if (!empty($oldvalue->grade_item->scaleid)) {
214 if ((int)$oldvalue->finalgrade === (int)$postedvalue) {
218 // The grade item uses a numeric scale
220 // Format the finalgrade from the DB so that it matches the grade from the client
221 if ($postedvalue === format_float($oldvalue->finalgrade, $oldvalue->grade_item->get_decimals())) {
226 $changedgrades = true;
228 } else if ($datatype === 'feedback') {
229 // If quick grading is on, feedback needs to be compared without line breaks.
230 if ($this->get_pref('quickgrading')) {
231 $oldvalue->feedback = preg_replace("/\r\n|\r|\n/", "", $oldvalue->feedback);
233 if (($oldvalue->feedback === $postedvalue) or ($oldvalue->feedback === NULL and empty($postedvalue))) {
238 if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) {
239 print_error('invalidgradeitemid');
243 if ($datatype == 'grade') {
245 $feedbackformat = false;
246 if ($gradeitem->gradetype == GRADE_TYPE_SCALE) {
247 if ($postedvalue == -1) { // -1 means no grade
250 $finalgrade = $postedvalue;
253 $finalgrade = unformat_float($postedvalue);
257 // Warn if the grade is out of bounds.
258 if (is_null($finalgrade)) {
261 $bounded = $gradeitem->bounded_grade($finalgrade);
262 if ($bounded > $finalgrade) {
263 $errorstr = 'lessthanmin';
264 } else if ($bounded < $finalgrade) {
265 $errorstr = 'morethanmax';
269 $userfields = 'id, ' . get_all_user_name_fields(true);
270 $user = $DB->get_record('user', array('id' => $userid), $userfields);
271 $gradestr = new stdClass();
272 $gradestr->username = fullname($user);
273 $gradestr->itemname = $gradeitem->get_name();
274 $warnings[] = get_string($errorstr, 'grades', $gradestr);
277 } else if ($datatype == 'feedback') {
279 $trimmed = trim($postedvalue);
280 if (empty($trimmed)) {
283 $feedback = $postedvalue;
287 // group access control
288 if ($separategroups) {
289 // note: we can not use $this->currentgroup because it would fail badly
290 // when having two browser windows each with different group
291 $sharinggroup = false;
292 foreach($mygroups as $groupid) {
293 if (groups_is_member($groupid, $userid)) {
294 $sharinggroup = true;
298 if (!$sharinggroup) {
299 // either group membership changed or somebody is hacking grades of other group
300 $warnings[] = get_string('errorsavegrade', 'grades');
305 $url = '/report/grader/index.php?id=' . $this->course->id;
306 $fullname = fullname($this->users[$userid]);
308 $info = "{$gradeitem->itemname}: $fullname";
309 add_to_log($this->course->id, 'grade', 'update', $url, $info);
311 $gradeitem->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE);
313 // We can update feedback without reloading the grade item as it doesn't affect grade calculations
314 if ($datatype === 'feedback') {
315 $this->grades[$userid][$itemid]->feedback = $feedback;
321 if ($changedgrades) {
322 // If a final grade was overriden reload grades so dependent grades like course total will be correct
323 $this->grades = null;
331 * Setting the sort order, this depends on last state
332 * all this should be in the new table class that we might need to use
333 * for displaying grades.
335 private function setup_sortitemid() {
339 if (!isset($SESSION->gradeuserreport)) {
340 $SESSION->gradeuserreport = new stdClass();
343 if ($this->sortitemid) {
344 if (!isset($SESSION->gradeuserreport->sort)) {
345 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
346 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
348 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
351 // this is the first sort, i.e. by last name
352 if (!isset($SESSION->gradeuserreport->sortitemid)) {
353 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
354 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
356 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
358 } else if ($SESSION->gradeuserreport->sortitemid == $this->sortitemid) {
360 if ($SESSION->gradeuserreport->sort == 'ASC') {
361 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
363 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
366 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
367 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
369 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
373 $SESSION->gradeuserreport->sortitemid = $this->sortitemid;
375 // not requesting sort, use last setting (for paging)
377 if (isset($SESSION->gradeuserreport->sortitemid)) {
378 $this->sortitemid = $SESSION->gradeuserreport->sortitemid;
380 $this->sortitemid = 'lastname';
383 if (isset($SESSION->gradeuserreport->sort)) {
384 $this->sortorder = $SESSION->gradeuserreport->sort;
386 $this->sortorder = 'ASC';
392 * pulls out the userids of the users to be display, and sorts them
394 public function load_users() {
397 if (!empty($this->users)) {
401 // Limit to users with a gradeable role.
402 list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
404 // Limit to users with an active enrollment.
405 list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context);
407 // Fields we need from the user table.
408 $userfields = user_picture::fields('u', get_extra_user_fields($this->context));
410 // We want to query both the current context and parent contexts.
411 list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx');
413 // If the user has clicked one of the sort asc/desc arrows.
414 if (is_numeric($this->sortitemid)) {
415 $params = array_merge(array('gitemid' => $this->sortitemid), $gradebookrolesparams, $this->groupwheresql_params, $enrolledparams,
418 $sortjoin = "LEFT JOIN {grade_grades} g ON g.userid = u.id AND g.itemid = $this->sortitemid";
419 $sort = "g.finalgrade $this->sortorder";
422 switch($this->sortitemid) {
424 $sort = "u.lastname $this->sortorder, u.firstname $this->sortorder";
427 $sort = "u.firstname $this->sortorder, u.lastname $this->sortorder";
430 $sort = "u.email $this->sortorder";
434 $sort = "u.idnumber $this->sortorder";
438 $params = array_merge($gradebookrolesparams, $this->groupwheresql_params, $enrolledparams, $relatedctxparams);
441 $sql = "SELECT $userfields
443 JOIN ($enrolledsql) je ON je.id = u.id
447 SELECT DISTINCT ra.userid
448 FROM {role_assignments} ra
449 WHERE ra.roleid IN ($this->gradebookroles)
450 AND ra.contextid $relatedctxsql
451 ) rainner ON rainner.userid = u.id
455 $studentsperpage = $this->get_students_per_page();
456 $this->users = $DB->get_records_sql($sql, $params, $studentsperpage * $this->page, $studentsperpage);
458 if (empty($this->users)) {
459 $this->userselect = '';
460 $this->users = array();
461 $this->userselect_params = array();
463 list($usql, $uparams) = $DB->get_in_or_equal(array_keys($this->users), SQL_PARAMS_NAMED, 'usid0');
464 $this->userselect = "AND g.userid $usql";
465 $this->userselect_params = $uparams;
467 // Add a flag to each user indicating whether their enrolment is active.
468 $sql = "SELECT ue.userid
469 FROM {user_enrolments} ue
470 JOIN {enrol} e ON e.id = ue.enrolid
471 WHERE ue.userid $usql
472 AND ue.status = :uestatus
473 AND e.status = :estatus
474 AND e.courseid = :courseid
476 $coursecontext = $this->context->get_course_context(true);
477 $params = array_merge($uparams, array('estatus'=>ENROL_INSTANCE_ENABLED, 'uestatus'=>ENROL_USER_ACTIVE, 'courseid'=>$coursecontext->instanceid));
478 $useractiveenrolments = $DB->get_records_sql($sql, $params);
480 $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol);
481 $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol);
482 $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext);
483 foreach ($this->users as $user) {
484 // If we are showing only active enrolments, then remove suspended users from list.
485 if ($showonlyactiveenrol && !array_key_exists($user->id, $useractiveenrolments)) {
486 unset($this->users[$user->id]);
488 $this->users[$user->id]->suspendedenrolment = !array_key_exists($user->id, $useractiveenrolments);
497 * we supply the userids in this query, and get all the grades
498 * pulls out all the grades, this does not need to worry about paging
500 public function load_final_grades() {
503 if (!empty($this->grades)) {
507 // please note that we must fetch all grade_grades fields if we want to construct grade_grade object from it!
508 $params = array_merge(array('courseid'=>$this->courseid), $this->userselect_params);
510 FROM {grade_items} gi,
512 WHERE g.itemid = gi.id AND gi.courseid = :courseid {$this->userselect}";
514 $userids = array_keys($this->users);
517 if ($grades = $DB->get_records_sql($sql, $params)) {
518 foreach ($grades as $graderec) {
519 if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->get_items())) { // some items may not be present!!
520 $this->grades[$graderec->userid][$graderec->itemid] = new grade_grade($graderec, false);
521 $this->grades[$graderec->userid][$graderec->itemid]->grade_item = $this->gtree->get_item($graderec->itemid); // db caching
526 // prefil grades that do not exist yet
527 foreach ($userids as $userid) {
528 foreach ($this->gtree->get_items() as $itemid=>$unused) {
529 if (!isset($this->grades[$userid][$itemid])) {
530 $this->grades[$userid][$itemid] = new grade_grade();
531 $this->grades[$userid][$itemid]->itemid = $itemid;
532 $this->grades[$userid][$itemid]->userid = $userid;
533 $this->grades[$userid][$itemid]->grade_item = $this->gtree->get_item($itemid); // db caching
540 * @deprecated since Moodle 2.4 as it appears not to be used any more.
542 public function get_toggles_html() {
543 throw new coding_exception('get_toggles_html() can not be used any more');
547 * @deprecated since 2.4 as it appears not to be used any more.
549 public function print_toggle($type) {
550 throw new coding_exception('print_toggle() can not be used any more');
554 * Builds and returns the rows that will make up the left part of the grader report
555 * This consists of student names and icons, links to user reports and id numbers, as well
556 * as header cells for these columns. It also includes the fillers required for the
557 * categories displayed on the right side of the report.
558 * @return array Array of html_table_row objects
560 public function get_left_rows() {
561 global $CFG, $USER, $OUTPUT;
565 $showuserimage = $this->get_pref('showuserimage');
567 $strfeedback = $this->get_lang_string("feedback");
568 $strgrade = $this->get_lang_string('grade');
570 $extrafields = get_extra_user_fields($this->context);
572 $arrows = $this->get_sort_arrows($extrafields);
575 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
578 $colspan += count($extrafields);
580 $levels = count($this->gtree->levels) - 1;
582 for ($i = 0; $i < $levels; $i++) {
583 $fillercell = new html_table_cell();
584 $fillercell->attributes['class'] = 'fixedcolumn cell topleft';
585 $fillercell->text = ' ';
586 $fillercell->colspan = $colspan;
587 $row = new html_table_row(array($fillercell));
591 $headerrow = new html_table_row();
592 $headerrow->attributes['class'] = 'heading';
594 $studentheader = new html_table_cell();
595 $studentheader->attributes['class'] = 'header';
596 $studentheader->scope = 'col';
597 $studentheader->header = true;
598 $studentheader->id = 'studentheader';
599 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
600 $studentheader->colspan = 2;
602 $studentheader->text = $arrows['studentname'];
604 $headerrow->cells[] = $studentheader;
606 foreach ($extrafields as $field) {
607 $fieldheader = new html_table_cell();
608 $fieldheader->attributes['class'] = 'header userfield user' . $field;
609 $fieldheader->scope = 'col';
610 $fieldheader->header = true;
611 $fieldheader->text = $arrows[$field];
613 $headerrow->cells[] = $fieldheader;
616 $rows[] = $headerrow;
618 $rows = $this->get_left_icons_row($rows, $colspan);
620 $rowclasses = array('even', 'odd');
622 $suspendedstring = null;
623 foreach ($this->users as $userid => $user) {
624 $userrow = new html_table_row();
625 $userrow->id = 'fixed_user_'.$userid;
626 $userrow->attributes['class'] = 'r'.$this->rowcount++.' '.$rowclasses[$this->rowcount % 2];
628 $usercell = new html_table_cell();
629 $usercell->attributes['class'] = 'user';
631 $usercell->header = true;
632 $usercell->scope = 'row';
634 if ($showuserimage) {
635 $usercell->text = $OUTPUT->user_picture($user);
638 $usercell->text .= html_writer::link(new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $this->course->id)), fullname($user));
640 if (!empty($user->suspendedenrolment)) {
641 $usercell->attributes['class'] .= ' usersuspended';
643 //may be lots of suspended users so only get the string once
644 if (empty($suspendedstring)) {
645 $suspendedstring = get_string('userenrolmentsuspended', 'grades');
647 $usercell->text .= html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/enrolmentsuspended'), 'title'=>$suspendedstring, 'alt'=>$suspendedstring, 'class'=>'usersuspendedicon'));
650 $userrow->cells[] = $usercell;
652 if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
653 $userreportcell = new html_table_cell();
654 $userreportcell->attributes['class'] = 'userreport';
655 $userreportcell->header = true;
657 $a->user = fullname($user);
658 $strgradesforuser = get_string('gradesforuser', 'grades', $a);
659 $url = new moodle_url('/grade/report/'.$CFG->grade_profilereport.'/index.php', array('userid' => $user->id, 'id' => $this->course->id));
660 $userreportcell->text = $OUTPUT->action_icon($url, new pix_icon('t/grades', $strgradesforuser));
661 $userrow->cells[] = $userreportcell;
664 foreach ($extrafields as $field) {
665 $fieldcell = new html_table_cell();
666 $fieldcell->attributes['class'] = 'header userfield user' . $field;
667 $fieldcell->header = true;
668 $fieldcell->scope = 'row';
669 $fieldcell->text = $user->{$field};
670 $userrow->cells[] = $fieldcell;
676 $rows = $this->get_left_range_row($rows, $colspan);
677 $rows = $this->get_left_avg_row($rows, $colspan, true);
678 $rows = $this->get_left_avg_row($rows, $colspan);
684 * Builds and returns the rows that will make up the right part of the grader report
685 * @return array Array of html_table_row objects
687 public function get_right_rows() {
688 global $CFG, $USER, $OUTPUT, $DB, $PAGE;
692 $numrows = count($this->gtree->get_levels());
693 $numusers = count($this->users);
695 $columnstounset = array();
696 $strgrade = $this->get_lang_string('grade');
697 $strfeedback = $this->get_lang_string("feedback");
698 $arrows = $this->get_sort_arrows();
700 $jsarguments = array(
701 'id' => '#fixed_column',
702 'cfg' => array('ajaxenabled'=>false),
705 'feedback' => array()
709 foreach ($this->gtree->get_levels() as $key=>$row) {
711 // do not display course grade category
715 $headingrow = new html_table_row();
716 $headingrow->attributes['class'] = 'heading_name_row';
718 foreach ($row as $columnkey => $element) {
719 $sortlink = clone($this->baseurl);
720 if (isset($element['object']->id)) {
721 $sortlink->param('sortitemid', $element['object']->id);
724 $eid = $element['eid'];
725 $object = $element['object'];
726 $type = $element['type'];
727 $categorystate = @$element['categorystate'];
729 if (!empty($element['colspan'])) {
730 $colspan = $element['colspan'];
735 if (!empty($element['depth'])) {
736 $catlevel = 'catlevel'.$element['depth'];
741 // Element is a filler
742 if ($type == 'filler' or $type == 'fillerfirst' or $type == 'fillerlast') {
743 $fillercell = new html_table_cell();
744 $fillercell->attributes['class'] = $type . ' ' . $catlevel;
745 $fillercell->colspan = $colspan;
746 $fillercell->text = ' ';
747 $fillercell->header = true;
748 $fillercell->scope = 'col';
749 $headingrow->cells[] = $fillercell;
751 // Element is a category
752 else if ($type == 'category') {
753 $categorycell = new html_table_cell();
754 $categorycell->attributes['class'] = 'category ' . $catlevel;
755 $categorycell->colspan = $colspan;
756 $categorycell->text = shorten_text($element['object']->get_name());
757 $categorycell->text .= $this->get_collapsing_icon($element);
758 $categorycell->header = true;
759 $categorycell->scope = 'col';
762 if ($USER->gradeediting[$this->courseid]) {
763 $categorycell->text .= $this->get_icons($element);
766 $headingrow->cells[] = $categorycell;
768 // Element is a grade_item
770 //$itemmodule = $element['object']->itemmodule;
771 //$iteminstance = $element['object']->iteminstance;
773 if ($element['object']->id == $this->sortitemid) {
774 if ($this->sortorder == 'ASC') {
775 $arrow = $this->get_sort_arrow('up', $sortlink);
777 $arrow = $this->get_sort_arrow('down', $sortlink);
780 $arrow = $this->get_sort_arrow('move', $sortlink);
783 $headerlink = $this->gtree->get_element_header($element, true, $this->get_pref('showactivityicons'), false);
785 $itemcell = new html_table_cell();
786 $itemcell->attributes['class'] = $type . ' ' . $catlevel . ' highlightable'. ' i'. $element['object']->id;
788 if ($element['object']->is_hidden()) {
789 $itemcell->attributes['class'] .= ' dimmed_text';
792 $itemcell->colspan = $colspan;
793 $itemcell->text = shorten_text($headerlink) . $arrow;
794 $itemcell->header = true;
795 $itemcell->scope = 'col';
797 $headingrow->cells[] = $itemcell;
800 $rows[] = $headingrow;
803 $rows = $this->get_right_icons_row($rows);
805 // Preload scale objects for items with a scaleid and initialize tab indices
806 $scaleslist = array();
807 $tabindices = array();
809 foreach ($this->gtree->get_items() as $itemid=>$item) {
811 if (!empty($item->scaleid)) {
812 $scaleslist[] = $item->scaleid;
813 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'scale', 'scale'=>$item->scaleid, 'decimals'=>$item->get_decimals());
815 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'value', 'scale'=>false, 'decimals'=>$item->get_decimals());
817 $tabindices[$item->id]['grade'] = $gradetabindex;
818 $tabindices[$item->id]['feedback'] = $gradetabindex + $numusers;
819 $gradetabindex += $numusers * 2;
821 $scalesarray = array();
823 if (!empty($scaleslist)) {
824 $scalesarray = $DB->get_records_list('scale', 'id', $scaleslist);
826 $jsscales = $scalesarray;
828 $rowclasses = array('even', 'odd');
830 foreach ($this->users as $userid => $user) {
832 if ($this->canviewhidden) {
836 $hidingaffected = grade_grade::get_hiding_affected($this->grades[$userid], $this->gtree->get_items());
837 $altered = $hidingaffected['altered'];
838 $unknown = $hidingaffected['unknown'];
839 unset($hidingaffected);
843 $itemrow = new html_table_row();
844 $itemrow->id = 'user_'.$userid;
845 $itemrow->attributes['class'] = $rowclasses[$this->rowcount % 2];
847 $jsarguments['users'][$userid] = fullname($user);
849 foreach ($this->gtree->items as $itemid=>$unused) {
850 $item =& $this->gtree->items[$itemid];
851 $grade = $this->grades[$userid][$item->id];
853 $itemcell = new html_table_cell();
855 $itemcell->id = 'u'.$userid.'i'.$itemid;
857 // Get the decimal points preference for this item
858 $decimalpoints = $item->get_decimals();
860 if (in_array($itemid, $unknown)) {
862 } else if (array_key_exists($itemid, $altered)) {
863 $gradeval = $altered[$itemid];
865 $gradeval = $grade->finalgrade;
867 if (!empty($grade->finalgrade)) {
868 $gradevalforJS = null;
869 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
870 $gradevalforJS = (int)$gradeval;
872 $gradevalforJS = format_float($gradeval, $decimalpoints);
874 $jsarguments['grades'][] = array('user'=>$userid, 'item'=>$itemid, 'grade'=>$gradevalforJS);
878 // Hide grades in the grader report if the current grader doesn't have 'moodle/grade:viewhidden'
879 if (!$this->canviewhidden and $grade->is_hidden()) {
880 if (!empty($CFG->grade_hiddenasdate) and $grade->get_datesubmitted() and !$item->is_category_item() and !$item->is_course_item()) {
881 // 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
882 $itemcell->text = html_writer::tag('span', userdate($grade->get_datesubmitted(),get_string('strftimedatetimeshort')), array('class'=>'datesubmitted'));
884 $itemcell->text = '-';
886 $itemrow->cells[] = $itemcell;
890 // emulate grade element
891 $eid = $this->gtree->get_grade_eid($grade);
892 $element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade');
894 $itemcell->attributes['class'] .= ' grade i'.$itemid;
895 if ($item->is_category_item()) {
896 $itemcell->attributes['class'] .= ' cat';
898 if ($item->is_course_item()) {
899 $itemcell->attributes['class'] .= ' course';
901 if ($grade->is_overridden()) {
902 $itemcell->attributes['class'] .= ' overridden';
905 if ($grade->is_excluded()) {
906 // $itemcell->attributes['class'] .= ' excluded';
909 if (!empty($grade->feedback)) {
910 //should we be truncating feedback? ie $short_feedback = shorten_text($feedback, $this->feedback_trunc_length);
911 $jsarguments['feedback'][] = array('user'=>$userid, 'item'=>$itemid, 'content'=>wordwrap(trim(format_string($grade->feedback, $grade->feedbackformat)), 34, '<br/ >'));
914 if ($grade->is_excluded()) {
915 $itemcell->text .= html_writer::tag('span', get_string('excluded', 'grades'), array('class'=>'excludedfloater'));
918 // Do not show any icons if no grade (no record in DB to match)
919 if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) {
920 $itemcell->text .= $this->get_icons($element);
924 if ($grade->is_hidden()) {
925 $hidden = ' hidden ';
928 $gradepass = ' gradefail ';
929 if ($grade->is_passed($item)) {
930 $gradepass = ' gradepass ';
931 } elseif (is_null($grade->is_passed($item))) {
935 // if in editing mode, we need to print either a text box
936 // or a drop down (for scales)
937 // grades in item of type grade category or course are not directly editable
938 if ($item->needsupdate) {
939 $itemcell->text .= html_writer::tag('span', get_string('error'), array('class'=>"gradingerror$hidden"));
941 } else if ($USER->gradeediting[$this->courseid]) {
943 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
944 $scale = $scalesarray[$item->scaleid];
945 $gradeval = (int)$gradeval; // scales use only integers
946 $scales = explode(",", $scale->scale);
947 // reindex because scale is off 1
949 // MDL-12104 some previous scales might have taken up part of the array
950 // so this needs to be reset
953 foreach ($scales as $scaleoption) {
955 $scaleopt[$i] = $scaleoption;
958 if ($this->get_pref('quickgrading') and $grade->is_editable()) {
959 $oldval = empty($gradeval) ? -1 : $gradeval;
960 if (empty($item->outcomeid)) {
961 $nogradestr = $this->get_lang_string('nograde');
963 $nogradestr = $this->get_lang_string('nooutcome', 'grades');
965 $attributes = array('tabindex' => $tabindices[$item->id]['grade'], 'id'=>'grade_'.$userid.'_'.$item->id);
966 $itemcell->text .= html_writer::label(get_string('typescale', 'grades'), $attributes['id'], false, array('class' => 'accesshide'));
967 $itemcell->text .= html_writer::select($scaleopt, 'grade['.$userid.']['.$item->id.']', $gradeval, array(-1=>$nogradestr), $attributes);
968 } elseif(!empty($scale)) {
969 $scales = explode(",", $scale->scale);
971 // invalid grade if gradeval < 1
973 $itemcell->text .= html_writer::tag('span', '-', array('class'=>"gradevalue$hidden$gradepass"));
975 $gradeval = $grade->grade_item->bounded_grade($gradeval); //just in case somebody changes scale
976 $itemcell->text .= html_writer::tag('span', $scales[$gradeval-1], array('class'=>"gradevalue$hidden$gradepass"));
979 // no such scale, throw error?
982 } else if ($item->gradetype != GRADE_TYPE_TEXT) { // Value type
983 if ($this->get_pref('quickgrading') and $grade->is_editable()) {
984 $value = format_float($gradeval, $decimalpoints);
985 $gradelabel = fullname($user) . ' ' . $item->itemname;
986 $itemcell->text .= '<label class="accesshide" for="grade_'.$userid.'_'.$item->id.'">'
987 .get_string('useractivitygrade', 'gradereport_grader', $gradelabel).'</label>';
988 $itemcell->text .= '<input size="6" tabindex="' . $tabindices[$item->id]['grade']
989 . '" type="text" class="text" title="'. $strgrade .'" name="grade['
990 .$userid.'][' .$item->id.']" id="grade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
992 $itemcell->text .= html_writer::tag('span', format_float($gradeval, $decimalpoints), array('class'=>"gradevalue$hidden$gradepass"));
997 // If quickfeedback is on, print an input element
998 if ($this->get_pref('showquickfeedback') and $grade->is_editable()) {
999 $feedbacklabel = fullname($user) . ' ' . $item->itemname;
1000 $itemcell->text .= '<label class="accesshide" for="feedback_'.$userid.'_'.$item->id.'">'
1001 .get_string('useractivityfeedback', 'gradereport_grader', $feedbacklabel).'</label>';
1002 $itemcell->text .= '<input class="quickfeedback" tabindex="' . $tabindices[$item->id]['feedback'].'" id="feedback_'.$userid.'_'.$item->id
1003 . '" size="6" title="' . $strfeedback . '" type="text" name="feedback['.$userid.']['.$item->id.']" value="' . s($grade->feedback) . '" />';
1006 } else { // Not editing
1007 $gradedisplaytype = $item->get_displaytype();
1009 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
1010 $itemcell->attributes['class'] .= ' grade_type_scale';
1011 } else if ($item->gradetype != GRADE_TYPE_TEXT) {
1012 $itemcell->attributes['class'] .= ' grade_type_text';
1015 if ($this->get_pref('enableajax')) {
1016 $itemcell->attributes['class'] .= ' clickable';
1019 if ($item->needsupdate) {
1020 $itemcell->text .= html_writer::tag('span', get_string('error'), array('class'=>"gradingerror$hidden$gradepass"));
1022 $itemcell->text .= html_writer::tag('span', grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null), array('class'=>"gradevalue$hidden$gradepass"));
1023 if ($this->get_pref('showanalysisicon')) {
1024 $itemcell->text .= $this->gtree->get_grade_analysis_icon($grade);
1029 if (!empty($this->gradeserror[$item->id][$userid])) {
1030 $itemcell->text .= $this->gradeserror[$item->id][$userid];
1033 $itemrow->cells[] = $itemcell;
1038 if ($this->get_pref('enableajax')) {
1039 $jsarguments['cfg']['ajaxenabled'] = true;
1040 $jsarguments['cfg']['scales'] = array();
1041 foreach ($jsscales as $scale) {
1042 $jsarguments['cfg']['scales'][$scale->id] = explode(',',$scale->scale);
1044 $jsarguments['cfg']['feedbacktrunclength'] = $this->feedback_trunc_length;
1046 // Student grades and feedback are already at $jsarguments['feedback'] and $jsarguments['grades']
1048 $jsarguments['cfg']['isediting'] = (bool)$USER->gradeediting[$this->courseid];
1049 $jsarguments['cfg']['courseid'] = $this->courseid;
1050 $jsarguments['cfg']['studentsperpage'] = $this->get_students_per_page();
1051 $jsarguments['cfg']['showquickfeedback'] = (bool)$this->get_pref('showquickfeedback');
1054 'name' => 'gradereport_grader',
1055 'fullpath' => '/grade/report/grader/module.js',
1056 'requires' => array('base', 'dom', 'event', 'event-mouseenter', 'event-key', 'io-queue', 'json-parse', 'overlay')
1058 $PAGE->requires->js_init_call('M.gradereport_grader.init_report', $jsarguments, false, $module);
1059 $PAGE->requires->strings_for_js(array('addfeedback','feedback', 'grade'), 'grades');
1060 $PAGE->requires->strings_for_js(array('ajaxchoosescale','ajaxclicktoclose','ajaxerror','ajaxfailedupdate', 'ajaxfieldchanged'), 'gradereport_grader');
1062 $rows = $this->get_right_range_row($rows);
1063 $rows = $this->get_right_avg_row($rows, true);
1064 $rows = $this->get_right_avg_row($rows);
1070 * Depending on the style of report (fixedstudents vs traditional one-table),
1071 * arranges the rows of data in one or two tables, and returns the output of
1072 * these tables in HTML
1073 * @return string HTML
1075 public function get_grade_table() {
1077 $fixedstudents = $this->is_fixed_students();
1079 $leftrows = $this->get_left_rows();
1080 $rightrows = $this->get_right_rows();
1085 if ($fixedstudents) {
1086 $fixedcolumntable = new html_table();
1087 $fixedcolumntable->id = 'fixed_column';
1088 $fixedcolumntable->data = $leftrows;
1089 $html .= $OUTPUT->container(html_writer::table($fixedcolumntable), 'left_scroller');
1091 $righttable = new html_table();
1092 $righttable->id = 'user-grades';
1093 $righttable->data = $rightrows;
1095 $html .= $OUTPUT->container(html_writer::table($righttable), 'right_scroller');
1097 $fulltable = new html_table();
1098 $fulltable->attributes['class'] = 'gradestable flexible boxaligncenter generaltable';
1099 $fulltable->id = 'user-grades';
1101 // Extract rows from each side (left and right) and collate them into one row each
1102 foreach ($leftrows as $key => $row) {
1103 $row->cells = array_merge($row->cells, $rightrows[$key]->cells);
1104 $fulltable->data[] = $row;
1106 $html .= html_writer::table($fulltable);
1108 return $OUTPUT->container($html, 'gradeparent');
1112 * Builds and return the row of icons for the left side of the report.
1113 * It only has one cell that says "Controls"
1114 * @param array $rows The Array of rows for the left part of the report
1115 * @param int $colspan The number of columns this cell has to span
1116 * @return array Array of rows for the left part of the report
1118 public function get_left_icons_row($rows=array(), $colspan=1) {
1121 if ($USER->gradeediting[$this->courseid]) {
1122 $controlsrow = new html_table_row();
1123 $controlsrow->attributes['class'] = 'controls';
1124 $controlscell = new html_table_cell();
1125 $controlscell->attributes['class'] = 'header controls';
1126 $controlscell->colspan = $colspan;
1127 $controlscell->text = $this->get_lang_string('controls','grades');
1129 $controlsrow->cells[] = $controlscell;
1130 $rows[] = $controlsrow;
1136 * Builds and return the header for the row of ranges, for the left part of the grader report.
1137 * @param array $rows The Array of rows for the left part of the report
1138 * @param int $colspan The number of columns this cell has to span
1139 * @return array Array of rows for the left part of the report
1141 public function get_left_range_row($rows=array(), $colspan=1) {
1144 if ($this->get_pref('showranges')) {
1145 $rangerow = new html_table_row();
1146 $rangerow->attributes['class'] = 'range r'.$this->rowcount++;
1147 $rangecell = new html_table_cell();
1148 $rangecell->attributes['class'] = 'header range';
1149 $rangecell->colspan = $colspan;
1150 $rangecell->header = true;
1151 $rangecell->scope = 'row';
1152 $rangecell->text = $this->get_lang_string('range','grades');
1153 $rangerow->cells[] = $rangecell;
1154 $rows[] = $rangerow;
1161 * Builds and return the headers for the rows of averages, for the left part of the grader report.
1162 * @param array $rows The Array of rows for the left part of the report
1163 * @param int $colspan The number of columns this cell has to span
1164 * @param bool $groupavg If true, returns the row for group averages, otherwise for overall averages
1165 * @return array Array of rows for the left part of the report
1167 public function get_left_avg_row($rows=array(), $colspan=1, $groupavg=false) {
1168 if (!$this->canviewhidden) {
1169 // totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered
1170 // better not show them at all if user can not see all hideen grades
1174 $showaverages = $this->get_pref('showaverages');
1175 $showaveragesgroup = $this->currentgroup && $showaverages;
1176 $straveragegroup = get_string('groupavg', 'grades');
1179 if ($showaveragesgroup) {
1180 $groupavgrow = new html_table_row();
1181 $groupavgrow->attributes['class'] = 'groupavg r'.$this->rowcount++;
1182 $groupavgcell = new html_table_cell();
1183 $groupavgcell->attributes['class'] = 'header range';
1184 $groupavgcell->colspan = $colspan;
1185 $groupavgcell->header = true;
1186 $groupavgcell->scope = 'row';
1187 $groupavgcell->text = $straveragegroup;
1188 $groupavgrow->cells[] = $groupavgcell;
1189 $rows[] = $groupavgrow;
1192 $straverage = get_string('overallaverage', 'grades');
1194 if ($showaverages) {
1195 $avgrow = new html_table_row();
1196 $avgrow->attributes['class'] = 'avg r'.$this->rowcount++;
1197 $avgcell = new html_table_cell();
1198 $avgcell->attributes['class'] = 'header range';
1199 $avgcell->colspan = $colspan;
1200 $avgcell->header = true;
1201 $avgcell->scope = 'row';
1202 $avgcell->text = $straverage;
1203 $avgrow->cells[] = $avgcell;
1212 * Builds and return the row of icons when editing is on, for the right part of the grader report.
1213 * @param array $rows The Array of rows for the right part of the report
1214 * @return array Array of rows for the right part of the report
1216 public function get_right_icons_row($rows=array()) {
1218 if ($USER->gradeediting[$this->courseid]) {
1219 $iconsrow = new html_table_row();
1220 $iconsrow->attributes['class'] = 'controls';
1222 foreach ($this->gtree->items as $itemid=>$unused) {
1223 // emulate grade element
1224 $item = $this->gtree->get_item($itemid);
1226 $eid = $this->gtree->get_item_eid($item);
1227 $element = $this->gtree->locate_element($eid);
1228 $itemcell = new html_table_cell();
1229 $itemcell->attributes['class'] = 'controls icons i'.$itemid;
1230 $itemcell->text = $this->get_icons($element);
1231 $iconsrow->cells[] = $itemcell;
1233 $rows[] = $iconsrow;
1239 * Builds and return the row of ranges for the right part of the grader report.
1240 * @param array $rows The Array of rows for the right part of the report
1241 * @return array Array of rows for the right part of the report
1243 public function get_right_range_row($rows=array()) {
1246 if ($this->get_pref('showranges')) {
1247 $rangesdisplaytype = $this->get_pref('rangesdisplaytype');
1248 $rangesdecimalpoints = $this->get_pref('rangesdecimalpoints');
1249 $rangerow = new html_table_row();
1250 $rangerow->attributes['class'] = 'heading range';
1252 foreach ($this->gtree->items as $itemid=>$unused) {
1253 $item =& $this->gtree->items[$itemid];
1254 $itemcell = new html_table_cell();
1255 $itemcell->attributes['class'] .= ' range i'. $itemid;
1258 if ($item->is_hidden()) {
1259 $hidden = ' hidden ';
1262 $formattedrange = $item->get_formatted_range($rangesdisplaytype, $rangesdecimalpoints);
1264 $itemcell->text = $OUTPUT->container($formattedrange, 'rangevalues'.$hidden);
1265 $rangerow->cells[] = $itemcell;
1267 $rows[] = $rangerow;
1273 * Builds and return the row of averages for the right part of the grader report.
1274 * @param array $rows Whether to return only group averages or all averages.
1275 * @param bool $grouponly Whether to return only group averages or all averages.
1276 * @return array Array of rows for the right part of the report
1278 public function get_right_avg_row($rows=array(), $grouponly=false) {
1279 global $USER, $DB, $OUTPUT;
1281 if (!$this->canviewhidden) {
1282 // Totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered
1283 // better not show them at all if user can not see all hidden grades.
1287 $averagesdisplaytype = $this->get_pref('averagesdisplaytype');
1288 $averagesdecimalpoints = $this->get_pref('averagesdecimalpoints');
1289 $meanselection = $this->get_pref('meanselection');
1290 $shownumberofgrades = $this->get_pref('shownumberofgrades');
1293 $showaverages = $this->currentgroup && $this->get_pref('showaverages');
1294 $groupsql = $this->groupsql;
1295 $groupwheresql = $this->groupwheresql;
1296 $groupwheresqlparams = $this->groupwheresql_params;
1298 $showaverages = $this->get_pref('showaverages');
1300 $groupwheresql = "";
1301 $groupwheresqlparams = array();
1304 if ($showaverages) {
1305 $totalcount = $this->get_numusers($grouponly);
1307 // Limit to users with a gradeable role.
1308 list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
1310 // Limit to users with an active enrollment.
1311 list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context);
1313 // We want to query both the current context and parent contexts.
1314 list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx');
1316 $params = array_merge(array('courseid' => $this->courseid), $gradebookrolesparams, $enrolledparams, $groupwheresqlparams, $relatedctxparams);
1318 // Find sums of all grade items in course.
1319 $sql = "SELECT g.itemid, SUM(g.finalgrade) AS sum
1320 FROM {grade_items} gi
1321 JOIN {grade_grades} g ON g.itemid = gi.id
1322 JOIN {user} u ON u.id = g.userid
1323 JOIN ($enrolledsql) je ON je.id = u.id
1325 SELECT DISTINCT ra.userid
1326 FROM {role_assignments} ra
1327 WHERE ra.roleid $gradebookrolessql
1328 AND ra.contextid $relatedctxsql
1329 ) rainner ON rainner.userid = u.id
1331 WHERE gi.courseid = :courseid
1333 AND g.finalgrade IS NOT NULL
1336 $sumarray = array();
1337 if ($sums = $DB->get_records_sql($sql, $params)) {
1338 foreach ($sums as $itemid => $csum) {
1339 $sumarray[$itemid] = $csum->sum;
1343 // MDL-10875 Empty grades must be evaluated as grademin, NOT always 0
1344 // This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table)
1345 $sql = "SELECT gi.id, COUNT(DISTINCT u.id) AS count
1346 FROM {grade_items} gi
1348 JOIN ($enrolledsql) je
1350 JOIN {role_assignments} ra
1352 LEFT OUTER JOIN {grade_grades} g
1353 ON (g.itemid = gi.id AND g.userid = u.id AND g.finalgrade IS NOT NULL)
1355 WHERE gi.courseid = :courseid
1356 AND ra.roleid $gradebookrolessql
1357 AND ra.contextid $relatedctxsql
1363 $ungradedcounts = $DB->get_records_sql($sql, $params);
1365 $avgrow = new html_table_row();
1366 $avgrow->attributes['class'] = 'avg';
1368 foreach ($this->gtree->items as $itemid=>$unused) {
1369 $item =& $this->gtree->items[$itemid];
1371 if ($item->needsupdate) {
1372 $avgcell = new html_table_cell();
1373 $avgcell->attributes['class'] = 'i'. $itemid;
1374 $avgcell->text = $OUTPUT->container(get_string('error'), 'gradingerror');
1375 $avgrow->cells[] = $avgcell;
1379 if (!isset($sumarray[$item->id])) {
1380 $sumarray[$item->id] = 0;
1383 if (empty($ungradedcounts[$itemid])) {
1386 $ungradedcount = $ungradedcounts[$itemid]->count;
1389 if ($meanselection == GRADE_REPORT_MEAN_GRADED) {
1390 $meancount = $totalcount - $ungradedcount;
1391 } else { // Bump up the sum by the number of ungraded items * grademin
1392 $sumarray[$item->id] += $ungradedcount * $item->grademin;
1393 $meancount = $totalcount;
1396 // Determine which display type to use for this average
1397 if ($USER->gradeediting[$this->courseid]) {
1398 $displaytype = GRADE_DISPLAY_TYPE_REAL;
1400 } else if ($averagesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave the report and user preferences
1401 $displaytype = $item->get_displaytype();
1404 $displaytype = $averagesdisplaytype;
1407 // Override grade_item setting if a display preference (not inherit) was set for the averages
1408 if ($averagesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) {
1409 $decimalpoints = $item->get_decimals();
1412 $decimalpoints = $averagesdecimalpoints;
1415 if (!isset($sumarray[$item->id]) || $meancount == 0) {
1416 $avgcell = new html_table_cell();
1417 $avgcell->attributes['class'] = 'i'. $itemid;
1418 $avgcell->text = '-';
1419 $avgrow->cells[] = $avgcell;
1422 $sum = $sumarray[$item->id];
1423 $avgradeval = $sum/$meancount;
1424 $gradehtml = grade_format_gradevalue($avgradeval, $item, true, $displaytype, $decimalpoints);
1426 $numberofgrades = '';
1427 if ($shownumberofgrades) {
1428 $numberofgrades = " ($meancount)";
1431 $avgcell = new html_table_cell();
1432 $avgcell->attributes['class'] = 'i'. $itemid;
1433 $avgcell->text = $gradehtml.$numberofgrades;
1434 $avgrow->cells[] = $avgcell;
1443 * Given a grade_category, grade_item or grade_grade, this function
1444 * figures out the state of the object and builds then returns a div
1445 * with the icons needed for the grader report.
1447 * @param array $object
1448 * @return string HTML
1450 protected function get_icons($element) {
1451 global $CFG, $USER, $OUTPUT;
1453 if (!$USER->gradeediting[$this->courseid]) {
1454 return '<div class="grade_icons" />';
1460 if ($element['type'] != 'categoryitem' && $element['type'] != 'courseitem') {
1461 $editicon = $this->gtree->get_edit_icon($element, $this->gpr);
1464 $editcalculationicon = '';
1466 $lockunlockicon = '';
1468 if (has_capability('moodle/grade:manage', $this->context)) {
1469 if ($this->get_pref('showcalculations')) {
1470 $editcalculationicon = $this->gtree->get_calculation_icon($element, $this->gpr);
1473 if ($this->get_pref('showeyecons')) {
1474 $showhideicon = $this->gtree->get_hiding_icon($element, $this->gpr);
1477 if ($this->get_pref('showlocks')) {
1478 $lockunlockicon = $this->gtree->get_locking_icon($element, $this->gpr);
1483 $gradeanalysisicon = '';
1484 if ($this->get_pref('showanalysisicon') && $element['type'] == 'grade') {
1485 $gradeanalysisicon .= $this->gtree->get_grade_analysis_icon($element['object']);
1488 return $OUTPUT->container($editicon.$editcalculationicon.$showhideicon.$lockunlockicon.$gradeanalysisicon, 'grade_icons');
1492 * Given a category element returns collapsing +/- icon if available
1493 * @param object $object
1494 * @return string HTML
1496 protected function get_collapsing_icon($element) {
1500 // If object is a category, display expand/contract icon
1501 if ($element['type'] == 'category') {
1502 // Load language strings
1503 $strswitchminus = $this->get_lang_string('aggregatesonly', 'grades');
1504 $strswitchplus = $this->get_lang_string('gradesonly', 'grades');
1505 $strswitchwhole = $this->get_lang_string('fullmode', 'grades');
1507 $url = new moodle_url($this->gpr->get_return_url(null, array('target'=>$element['eid'], 'sesskey'=>sesskey())));
1509 if (in_array($element['object']->id, $this->collapsed['aggregatesonly'])) {
1510 $url->param('action', 'switch_plus');
1511 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_plus', $strswitchplus));
1513 } else if (in_array($element['object']->id, $this->collapsed['gradesonly'])) {
1514 $url->param('action', 'switch_whole');
1515 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_whole', $strswitchwhole));
1518 $url->param('action', 'switch_minus');
1519 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_minus', $strswitchminus));
1525 public function process_action($target, $action) {
1526 return self::do_process_action($target, $action);
1530 * Processes a single action against a category, grade_item or grade.
1531 * @param string $target eid ({type}{id}, e.g. c4 for category4)
1532 * @param string $action Which action to take (edit, delete etc...)
1535 public static function do_process_action($target, $action) {
1536 // TODO: this code should be in some grade_tree static method
1537 $targettype = substr($target, 0, 1);
1538 $targetid = substr($target, 1);
1541 if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
1542 $collapsed = unserialize($collapsed);
1544 $collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
1548 case 'switch_minus': // Add category to array of aggregatesonly
1549 if (!in_array($targetid, $collapsed['aggregatesonly'])) {
1550 $collapsed['aggregatesonly'][] = $targetid;
1551 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1555 case 'switch_plus': // Remove category from array of aggregatesonly, and add it to array of gradesonly
1556 $key = array_search($targetid, $collapsed['aggregatesonly']);
1557 if ($key !== false) {
1558 unset($collapsed['aggregatesonly'][$key]);
1560 if (!in_array($targetid, $collapsed['gradesonly'])) {
1561 $collapsed['gradesonly'][] = $targetid;
1563 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1565 case 'switch_whole': // Remove the category from the array of collapsed cats
1566 $key = array_search($targetid, $collapsed['gradesonly']);
1567 if ($key !== false) {
1568 unset($collapsed['gradesonly'][$key]);
1569 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
1581 * Returns whether or not to display fixed students column.
1582 * Includes a browser check, because IE6 doesn't support the scrollbar.
1586 public function is_fixed_students() {
1589 return $CFG->grade_report_fixedstudents;
1593 * Refactored function for generating HTML of sorting links with matching arrows.
1594 * Returns an array with 'studentname' and 'idnumber' as keys, with HTML ready
1595 * to inject into a table header cell.
1596 * @param array $extrafields Array of extra fields being displayed, such as
1598 * @return array An associative array of HTML sorting links+arrows
1600 public function get_sort_arrows(array $extrafields = array()) {
1604 $strsortasc = $this->get_lang_string('sortasc', 'grades');
1605 $strsortdesc = $this->get_lang_string('sortdesc', 'grades');
1606 $strfirstname = $this->get_lang_string('firstname');
1607 $strlastname = $this->get_lang_string('lastname');
1608 $iconasc = $OUTPUT->pix_icon('t/sort_asc', $strsortasc, '', array('class' => 'iconsmall sorticon'));
1609 $icondesc = $OUTPUT->pix_icon('t/sort_desc', $strsortdesc, '', array('class' => 'iconsmall sorticon'));
1611 $firstlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'firstname')), $strfirstname);
1612 $lastlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'lastname')), $strlastname);
1614 $arrows['studentname'] = $lastlink;
1616 if ($this->sortitemid === 'lastname') {
1617 if ($this->sortorder == 'ASC') {
1618 $arrows['studentname'] .= $iconasc;
1620 $arrows['studentname'] .= $icondesc;
1624 $arrows['studentname'] .= ' ' . $firstlink;
1626 if ($this->sortitemid === 'firstname') {
1627 if ($this->sortorder == 'ASC') {
1628 $arrows['studentname'] .= $iconasc;
1630 $arrows['studentname'] .= $icondesc;
1634 foreach ($extrafields as $field) {
1635 $fieldlink = html_writer::link(new moodle_url($this->baseurl,
1636 array('sortitemid'=>$field)), get_user_field_name($field));
1637 $arrows[$field] = $fieldlink;
1639 if ($field == $this->sortitemid) {
1640 if ($this->sortorder == 'ASC') {
1641 $arrows[$field] .= $iconasc;
1643 $arrows[$field] .= $icondesc;
1652 * Returns the maximum number of students to be displayed on each page
1654 * Takes into account the 'studentsperpage' user preference and the 'max_input_vars'
1655 * PHP setting. Too many fields is only a problem when submitting grades but
1656 * we respect 'max_input_vars' even when viewing grades to prevent students disappearing
1657 * when toggling editing on and off.
1659 * @return int The maximum number of students to display per page
1661 public function get_students_per_page() {
1663 static $studentsperpage = null;
1665 if ($studentsperpage === null) {
1666 $originalstudentsperpage = $studentsperpage = $this->get_pref('studentsperpage');
1668 // Will this number of students result in more fields that we are allowed?
1669 $maxinputvars = ini_get('max_input_vars');
1670 if ($maxinputvars !== false) {
1671 // We can't do anything about there being more grade items than max_input_vars,
1672 // but we can decrease number of students per page if there are >= max_input_vars
1673 $fieldsperstudent = 0; // The number of fields output per student
1675 if ($this->get_pref('quickgrading') || $this->get_pref('showquickfeedback')) {
1676 // Each array (grade, feedback) will gain one element
1677 $fieldsperstudent ++;
1680 $fieldsrequired = $studentsperpage * $fieldsperstudent;
1681 if ($fieldsrequired >= $maxinputvars) {
1682 $studentsperpage = $maxinputvars - 1; // Subtract one to be on the safe side
1683 if ($studentsperpage<1) {
1684 // Make sure students per page doesn't fall below 1, though if your
1685 // max_input_vars is only 1 you've got bigger problems!
1686 $studentsperpage = 1;
1689 $a = new stdClass();
1690 $a->originalstudentsperpage = $originalstudentsperpage;
1691 $a->studentsperpage = $studentsperpage;
1692 $a->maxinputvars = $maxinputvars;
1693 debugging(get_string('studentsperpagereduced', 'grades', $a));
1698 return $studentsperpage;