mirrored from git://git.moodle.org/moodle.git
-
Notifications
You must be signed in to change notification settings - Fork 6.6k
/
lib.php
4043 lines (3455 loc) · 161 KB
/
lib.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?PHP
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* assignment_base is the base class for assignment types
*
* This class provides all the functionality for an assignment
*
* @package mod-assignment
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/** Include eventslib.php */
require_once($CFG->libdir.'/eventslib.php');
/** Include formslib.php */
require_once($CFG->libdir.'/formslib.php');
/** Include calendar/lib.php */
require_once($CFG->dirroot.'/calendar/lib.php');
/** ASSIGNMENT_COUNT_WORDS = 1 */
define('ASSIGNMENT_COUNT_WORDS', 1);
/** ASSIGNMENT_COUNT_LETTERS = 2 */
define('ASSIGNMENT_COUNT_LETTERS', 2);
/**
* Standard base class for all assignment submodules (assignment types).
*
* @package mod-assignment
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assignment_base {
const FILTER_ALL = 0;
const FILTER_SUBMITTED = 1;
const FILTER_REQUIRE_GRADING = 2;
/** @var object */
var $cm;
/** @var object */
var $course;
/** @var stdClass */
var $coursecontext;
/** @var object */
var $assignment;
/** @var string */
var $strassignment;
/** @var string */
var $strassignments;
/** @var string */
var $strsubmissions;
/** @var string */
var $strlastmodified;
/** @var string */
var $pagetitle;
/** @var bool */
var $usehtmleditor;
/**
* @todo document this var
*/
var $defaultformat;
/**
* @todo document this var
*/
var $context;
/** @var string */
var $type;
/**
* Constructor for the base assignment class
*
* Constructor for the base assignment class.
* If cmid is set create the cm, course, assignment objects.
* If the assignment is hidden and the user is not a teacher then
* this prints a page header and notice.
*
* @global object
* @global object
* @param int $cmid the current course module id - not set for new assignments
* @param object $assignment usually null, but if we have it we pass it to save db access
* @param object $cm usually null, but if we have it we pass it to save db access
* @param object $course usually null, but if we have it we pass it to save db access
*/
function assignment_base($cmid='staticonly', $assignment=NULL, $cm=NULL, $course=NULL) {
global $COURSE, $DB;
if ($cmid == 'staticonly') {
//use static functions only!
return;
}
global $CFG;
if ($cm) {
$this->cm = $cm;
} else if (! $this->cm = get_coursemodule_from_id('assignment', $cmid)) {
print_error('invalidcoursemodule');
}
$this->context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
if ($course) {
$this->course = $course;
} else if ($this->cm->course == $COURSE->id) {
$this->course = $COURSE;
} else if (! $this->course = $DB->get_record('course', array('id'=>$this->cm->course))) {
print_error('invalidid', 'assignment');
}
$this->coursecontext = get_context_instance(CONTEXT_COURSE, $this->course->id);
$courseshortname = format_text($this->course->shortname, true, array('context' => $this->coursecontext));
if ($assignment) {
$this->assignment = $assignment;
} else if (! $this->assignment = $DB->get_record('assignment', array('id'=>$this->cm->instance))) {
print_error('invalidid', 'assignment');
}
$this->assignment->cmidnumber = $this->cm->idnumber; // compatibility with modedit assignment obj
$this->assignment->courseid = $this->course->id; // compatibility with modedit assignment obj
$this->strassignment = get_string('modulename', 'assignment');
$this->strassignments = get_string('modulenameplural', 'assignment');
$this->strsubmissions = get_string('submissions', 'assignment');
$this->strlastmodified = get_string('lastmodified');
$this->pagetitle = strip_tags($courseshortname.': '.$this->strassignment.': '.format_string($this->assignment->name, true, array('context' => $this->context)));
// visibility handled by require_login() with $cm parameter
// get current group only when really needed
/// Set up things for a HTML editor if it's needed
$this->defaultformat = editors_get_preferred_format();
}
/**
* Display the assignment, used by view.php
*
* This in turn calls the methods producing individual parts of the page
*/
function view() {
$context = get_context_instance(CONTEXT_MODULE,$this->cm->id);
require_capability('mod/assignment:view', $context);
add_to_log($this->course->id, "assignment", "view", "view.php?id={$this->cm->id}",
$this->assignment->id, $this->cm->id);
$this->view_header();
$this->view_intro();
$this->view_dates();
$this->view_feedback();
$this->view_footer();
}
/**
* Display the header and top of a page
*
* (this doesn't change much for assignment types)
* This is used by the view() method to print the header of view.php but
* it can be used on other pages in which case the string to denote the
* page in the navigation trail should be passed as an argument
*
* @global object
* @param string $subpage Description of subpage to be used in navigation trail
*/
function view_header($subpage='') {
global $CFG, $PAGE, $OUTPUT;
if ($subpage) {
$PAGE->navbar->add($subpage);
}
$PAGE->set_title($this->pagetitle);
$PAGE->set_heading($this->course->fullname);
echo $OUTPUT->header();
groups_print_activity_menu($this->cm, $CFG->wwwroot . '/mod/assignment/view.php?id=' . $this->cm->id);
echo '<div class="reportlink">'.$this->submittedlink().'</div>';
echo '<div class="clearer"></div>';
}
/**
* Display the assignment intro
*
* This will most likely be extended by assignment type plug-ins
* The default implementation prints the assignment description in a box
*/
function view_intro() {
global $OUTPUT;
echo $OUTPUT->box_start('generalbox boxaligncenter', 'intro');
echo format_module_intro('assignment', $this->assignment, $this->cm->id);
echo $OUTPUT->box_end();
echo plagiarism_print_disclosure($this->cm->id);
}
/**
* Display the assignment dates
*
* Prints the assignment start and end dates in a box.
* This will be suitable for most assignment types
*/
function view_dates() {
global $OUTPUT;
if (!$this->assignment->timeavailable && !$this->assignment->timedue) {
return;
}
echo $OUTPUT->box_start('generalbox boxaligncenter', 'dates');
echo '<table>';
if ($this->assignment->timeavailable) {
echo '<tr><td class="c0">'.get_string('availabledate','assignment').':</td>';
echo ' <td class="c1">'.userdate($this->assignment->timeavailable).'</td></tr>';
}
if ($this->assignment->timedue) {
echo '<tr><td class="c0">'.get_string('duedate','assignment').':</td>';
echo ' <td class="c1">'.userdate($this->assignment->timedue).'</td></tr>';
}
echo '</table>';
echo $OUTPUT->box_end();
}
/**
* Display the bottom and footer of a page
*
* This default method just prints the footer.
* This will be suitable for most assignment types
*/
function view_footer() {
global $OUTPUT;
echo $OUTPUT->footer();
}
/**
* Display the feedback to the student
*
* This default method prints the teacher picture and name, date when marked,
* grade and teacher submissioncomment.
* If advanced grading is used the method render_grade from the
* advanced grading controller is called to display the grade.
*
* @global object
* @global object
* @global object
* @param object $submission The submission object or NULL in which case it will be loaded
*/
function view_feedback($submission=NULL) {
global $USER, $CFG, $DB, $OUTPUT, $PAGE;
require_once($CFG->libdir.'/gradelib.php');
require_once("$CFG->dirroot/grade/grading/lib.php");
if (!$submission) { /// Get submission for this assignment
$userid = $USER->id;
$submission = $this->get_submission($userid);
} else {
$userid = $submission->userid;
}
// Check the user can submit
$canviewfeedback = ($userid == $USER->id && has_capability('mod/assignment:submit', $this->context, $USER->id, false));
// If not then check if the user still has the view cap and has a previous submission
$canviewfeedback = $canviewfeedback || (!empty($submission) && $submission->userid == $USER->id && has_capability('mod/assignment:view', $this->context));
// Or if user can grade (is a teacher or admin)
$canviewfeedback = $canviewfeedback || has_capability('mod/assignment:grade', $this->context);
if (!$canviewfeedback) {
// can not view or submit assignments -> no feedback
return;
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $userid);
$item = $grading_info->items[0];
$grade = $item->grades[$userid];
if ($grade->hidden or $grade->grade === false) { // hidden or error
return;
}
if ($grade->grade === null and empty($grade->str_feedback)) { /// Nothing to show yet
return;
}
$graded_date = $grade->dategraded;
$graded_by = $grade->usermodified;
/// We need the teacher info
if (!$teacher = $DB->get_record('user', array('id'=>$graded_by))) {
print_error('cannotfindteacher');
}
/// Print the feedback
echo $OUTPUT->heading(get_string('feedbackfromteacher', 'assignment', fullname($teacher)));
echo '<table cellspacing="0" class="feedback">';
echo '<tr>';
echo '<td class="left picture">';
if ($teacher) {
echo $OUTPUT->user_picture($teacher);
}
echo '</td>';
echo '<td class="topic">';
echo '<div class="from">';
if ($teacher) {
echo '<div class="fullname">'.fullname($teacher).'</div>';
}
echo '<div class="time">'.userdate($graded_date).'</div>';
echo '</div>';
echo '</td>';
echo '</tr>';
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
$gradestr = '<div class="grade">'. get_string("grade").': '.$grade->str_long_grade. '</div>';
if (!empty($submission) && $controller = get_grading_manager($this->context, 'mod_assignment', 'submission')->get_active_controller()) {
$controller->set_grade_range(make_grades_menu($this->assignment->grade));
echo $controller->render_grade($PAGE, $submission->id, $item, $gradestr, has_capability('mod/assignment:grade', $this->context));
} else {
echo $gradestr;
}
echo '<div class="clearer"></div>';
echo '<div class="comment">';
echo $grade->str_feedback;
echo '</div>';
echo '</tr>';
if ($this->type == 'uploadsingle') { //@TODO: move to overload view_feedback method in the class or is uploadsingle merging into upload?
$responsefiles = $this->print_responsefiles($submission->userid, true);
if (!empty($responsefiles)) {
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
echo $responsefiles;
echo '</tr>';
}
}
echo '</table>';
}
/**
* Returns a link with info about the state of the assignment submissions
*
* This is used by view_header to put this link at the top right of the page.
* For teachers it gives the number of submitted assignments with a link
* For students it gives the time of their submission.
* This will be suitable for most assignment types.
*
* @global object
* @global object
* @param bool $allgroup print all groups info if user can access all groups, suitable for index.php
* @return string
*/
function submittedlink($allgroups=false) {
global $USER;
global $CFG;
$submitted = '';
$urlbase = "{$CFG->wwwroot}/mod/assignment/";
$context = get_context_instance(CONTEXT_MODULE,$this->cm->id);
if (has_capability('mod/assignment:grade', $context)) {
if ($allgroups and has_capability('moodle/site:accessallgroups', $context)) {
$group = 0;
} else {
$group = groups_get_activity_group($this->cm);
}
if ($this->type == 'offline') {
$submitted = '<a href="'.$urlbase.'submissions.php?id='.$this->cm->id.'">'.
get_string('viewfeedback', 'assignment').'</a>';
} else if ($count = $this->count_real_submissions($group)) {
$submitted = '<a href="'.$urlbase.'submissions.php?id='.$this->cm->id.'">'.
get_string('viewsubmissions', 'assignment', $count).'</a>';
} else {
$submitted = '<a href="'.$urlbase.'submissions.php?id='.$this->cm->id.'">'.
get_string('noattempts', 'assignment').'</a>';
}
} else {
if (isloggedin()) {
if ($submission = $this->get_submission($USER->id)) {
// If the submission has been completed
if ($this->is_submitted_with_required_data($submission)) {
if ($submission->timemodified <= $this->assignment->timedue || empty($this->assignment->timedue)) {
$submitted = '<span class="early">'.userdate($submission->timemodified).'</span>';
} else {
$submitted = '<span class="late">'.userdate($submission->timemodified).'</span>';
}
}
}
}
}
return $submitted;
}
/**
* Returns whether the assigment supports lateness information
*
* @return bool This assignment type supports lateness (true, default) or no (false)
*/
function supports_lateness() {
return true;
}
/**
* @todo Document this function
*/
function setup_elements(&$mform) {
}
/**
* Any preprocessing needed for the settings form for
* this assignment type
*
* @param array $default_values - array to fill in with the default values
* in the form 'formelement' => 'value'
* @param object $form - the form that is to be displayed
* @return none
*/
function form_data_preprocessing(&$default_values, $form) {
}
/**
* Any extra validation checks needed for the settings
* form for this assignment type
*
* See lib/formslib.php, 'validation' function for details
*/
function form_validation($data, $files) {
return array();
}
/**
* Create a new assignment activity
*
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will create a new instance and return the id number
* of the new instance.
* The due data is added to the calendar
* This is common to all assignment types.
*
* @global object
* @global object
* @param object $assignment The data from the form on mod_form.php
* @return int The id of the assignment
*/
function add_instance($assignment) {
global $COURSE, $DB;
$assignment->timemodified = time();
$assignment->courseid = $assignment->course;
$returnid = $DB->insert_record("assignment", $assignment);
$assignment->id = $returnid;
if ($assignment->timedue) {
$event = new stdClass();
$event->name = $assignment->name;
$event->description = format_module_intro('assignment', $assignment, $assignment->coursemodule);
$event->courseid = $assignment->course;
$event->groupid = 0;
$event->userid = 0;
$event->modulename = 'assignment';
$event->instance = $returnid;
$event->eventtype = 'due';
$event->timestart = $assignment->timedue;
$event->timeduration = 0;
calendar_event::create($event);
}
assignment_grade_item_update($assignment);
return $returnid;
}
/**
* Deletes an assignment activity
*
* Deletes all database records, files and calendar events for this assignment.
*
* @global object
* @global object
* @param object $assignment The assignment to be deleted
* @return boolean False indicates error
*/
function delete_instance($assignment) {
global $CFG, $DB;
$assignment->courseid = $assignment->course;
$result = true;
// now get rid of all files
$fs = get_file_storage();
if ($cm = get_coursemodule_from_instance('assignment', $assignment->id)) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$fs->delete_area_files($context->id);
}
if (! $DB->delete_records('assignment_submissions', array('assignment'=>$assignment->id))) {
$result = false;
}
if (! $DB->delete_records('event', array('modulename'=>'assignment', 'instance'=>$assignment->id))) {
$result = false;
}
if (! $DB->delete_records('assignment', array('id'=>$assignment->id))) {
$result = false;
}
$mod = $DB->get_field('modules','id',array('name'=>'assignment'));
assignment_grade_item_delete($assignment);
return $result;
}
/**
* Updates a new assignment activity
*
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update the assignment instance and return the id number
* The due date is updated in the calendar
* This is common to all assignment types.
*
* @global object
* @global object
* @param object $assignment The data from the form on mod_form.php
* @return bool success
*/
function update_instance($assignment) {
global $COURSE, $DB;
$assignment->timemodified = time();
$assignment->id = $assignment->instance;
$assignment->courseid = $assignment->course;
$DB->update_record('assignment', $assignment);
if ($assignment->timedue) {
$event = new stdClass();
if ($event->id = $DB->get_field('event', 'id', array('modulename'=>'assignment', 'instance'=>$assignment->id))) {
$event->name = $assignment->name;
$event->description = format_module_intro('assignment', $assignment, $assignment->coursemodule);
$event->timestart = $assignment->timedue;
$calendarevent = calendar_event::load($event->id);
$calendarevent->update($event);
} else {
$event = new stdClass();
$event->name = $assignment->name;
$event->description = format_module_intro('assignment', $assignment, $assignment->coursemodule);
$event->courseid = $assignment->course;
$event->groupid = 0;
$event->userid = 0;
$event->modulename = 'assignment';
$event->instance = $assignment->id;
$event->eventtype = 'due';
$event->timestart = $assignment->timedue;
$event->timeduration = 0;
calendar_event::create($event);
}
} else {
$DB->delete_records('event', array('modulename'=>'assignment', 'instance'=>$assignment->id));
}
// get existing grade item
assignment_grade_item_update($assignment);
return true;
}
/**
* Update grade item for this submission.
*/
function update_grade($submission) {
assignment_update_grades($this->assignment, $submission->userid);
}
/**
* Top-level function for handling of submissions called by submissions.php
*
* This is for handling the teacher interaction with the grading interface
* This should be suitable for most assignment types.
*
* @global object
* @param string $mode Specifies the kind of teacher interaction taking place
*/
function submissions($mode) {
///The main switch is changed to facilitate
///1) Batch fast grading
///2) Skip to the next one on the popup
///3) Save and Skip to the next one on the popup
//make user global so we can use the id
global $USER, $OUTPUT, $DB, $PAGE;
$mailinfo = optional_param('mailinfo', null, PARAM_BOOL);
if (optional_param('next', null, PARAM_BOOL)) {
$mode='next';
}
if (optional_param('saveandnext', null, PARAM_BOOL)) {
$mode='saveandnext';
}
if (is_null($mailinfo)) {
if (optional_param('sesskey', null, PARAM_BOOL)) {
set_user_preference('assignment_mailinfo', 0);
} else {
$mailinfo = get_user_preferences('assignment_mailinfo', 0);
}
} else {
set_user_preference('assignment_mailinfo', $mailinfo);
}
if (!($this->validate_and_preprocess_feedback())) {
// form was submitted ('Save' or 'Save and next' was pressed, but validation failed)
$this->display_submission();
return;
}
switch ($mode) {
case 'grade': // We are in a main window grading
if ($submission = $this->process_feedback()) {
$this->display_submissions(get_string('changessaved'));
} else {
$this->display_submissions();
}
break;
case 'single': // We are in a main window displaying one submission
if ($submission = $this->process_feedback()) {
$this->display_submissions(get_string('changessaved'));
} else {
$this->display_submission();
}
break;
case 'all': // Main window, display everything
$this->display_submissions();
break;
case 'fastgrade':
///do the fast grading stuff - this process should work for all 3 subclasses
$grading = false;
$commenting = false;
$col = false;
if (isset($_POST['submissioncomment'])) {
$col = 'submissioncomment';
$commenting = true;
}
if (isset($_POST['menu'])) {
$col = 'menu';
$grading = true;
}
if (!$col) {
//both submissioncomment and grade columns collapsed..
$this->display_submissions();
break;
}
foreach ($_POST[$col] as $id => $unusedvalue){
$id = (int)$id; //clean parameter name
$this->process_outcomes($id);
if (!$submission = $this->get_submission($id)) {
$submission = $this->prepare_new_submission($id);
$newsubmission = true;
} else {
$newsubmission = false;
}
unset($submission->data1); // Don't need to update this.
unset($submission->data2); // Don't need to update this.
//for fast grade, we need to check if any changes take place
$updatedb = false;
if ($grading) {
$grade = $_POST['menu'][$id];
$updatedb = $updatedb || ($submission->grade != $grade);
$submission->grade = $grade;
} else {
if (!$newsubmission) {
unset($submission->grade); // Don't need to update this.
}
}
if ($commenting) {
$commentvalue = trim($_POST['submissioncomment'][$id]);
$updatedb = $updatedb || ($submission->submissioncomment != $commentvalue);
$submission->submissioncomment = $commentvalue;
} else {
unset($submission->submissioncomment); // Don't need to update this.
}
$submission->teacher = $USER->id;
if ($updatedb) {
$submission->mailed = (int)(!$mailinfo);
}
$submission->timemarked = time();
//if it is not an update, we don't change the last modified time etc.
//this will also not write into database if no submissioncomment and grade is entered.
if ($updatedb){
if ($newsubmission) {
if (!isset($submission->submissioncomment)) {
$submission->submissioncomment = '';
}
$sid = $DB->insert_record('assignment_submissions', $submission);
$submission->id = $sid;
} else {
$DB->update_record('assignment_submissions', $submission);
}
// trigger grade event
$this->update_grade($submission);
//add to log only if updating
add_to_log($this->course->id, 'assignment', 'update grades',
'submissions.php?id='.$this->cm->id.'&user='.$submission->userid,
$submission->userid, $this->cm->id);
}
}
$message = $OUTPUT->notification(get_string('changessaved'), 'notifysuccess');
$this->display_submissions($message);
break;
case 'saveandnext':
///We are in pop up. save the current one and go to the next one.
//first we save the current changes
if ($submission = $this->process_feedback()) {
//print_heading(get_string('changessaved'));
//$extra_javascript = $this->update_main_listing($submission);
}
case 'next':
/// We are currently in pop up, but we want to skip to next one without saving.
/// This turns out to be similar to a single case
/// The URL used is for the next submission.
$offset = required_param('offset', PARAM_INT);
$nextid = required_param('nextid', PARAM_INT);
$id = required_param('id', PARAM_INT);
$filter = optional_param('filter', self::FILTER_ALL, PARAM_INT);
if ($mode == 'next' || $filter !== self::FILTER_REQUIRE_GRADING) {
$offset = (int)$offset+1;
}
$redirect = new moodle_url('submissions.php',
array('id' => $id, 'offset' => $offset, 'userid' => $nextid,
'mode' => 'single', 'filter' => $filter));
redirect($redirect);
break;
case 'singlenosave':
$this->display_submission();
break;
default:
echo "something seriously is wrong!!";
break;
}
}
/**
* Checks if grading method allows quickgrade mode. At the moment it is hardcoded
* that advanced grading methods do not allow quickgrade.
*
* Assignment type plugins are not allowed to override this method
*
* @return boolean
*/
public final function quickgrade_mode_allowed() {
global $CFG;
require_once("$CFG->dirroot/grade/grading/lib.php");
if ($controller = get_grading_manager($this->context, 'mod_assignment', 'submission')->get_active_controller()) {
return false;
}
return true;
}
/**
* Helper method updating the listing on the main script from popup using javascript
*
* @global object
* @global object
* @param $submission object The submission whose data is to be updated on the main page
*/
function update_main_listing($submission) {
global $SESSION, $CFG, $OUTPUT;
$output = '';
$perpage = get_user_preferences('assignment_perpage', 10);
$quickgrade = get_user_preferences('assignment_quickgrade', 0) && $this->quickgrade_mode_allowed();
/// Run some Javascript to try and update the parent page
$output .= '<script type="text/javascript">'."\n<!--\n";
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['submissioncomment'])) {
if ($quickgrade){
$output.= 'opener.document.getElementById("submissioncomment'.$submission->userid.'").value="'
.trim($submission->submissioncomment).'";'."\n";
} else {
$output.= 'opener.document.getElementById("com'.$submission->userid.
'").innerHTML="'.shorten_text(trim(strip_tags($submission->submissioncomment)), 15)."\";\n";
}
}
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['grade'])) {
//echo optional_param('menuindex');
if ($quickgrade){
$output.= 'opener.document.getElementById("menumenu'.$submission->userid.
'").selectedIndex="'.optional_param('menuindex', 0, PARAM_INT).'";'."\n";
} else {
$output.= 'opener.document.getElementById("g'.$submission->userid.'").innerHTML="'.
$this->display_grade($submission->grade)."\";\n";
}
}
//need to add student's assignments in there too.
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['timemodified']) &&
$submission->timemodified) {
$output.= 'opener.document.getElementById("ts'.$submission->userid.
'").innerHTML="'.addslashes_js($this->print_student_answer($submission->userid)).userdate($submission->timemodified)."\";\n";
}
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['timemarked']) &&
$submission->timemarked) {
$output.= 'opener.document.getElementById("tt'.$submission->userid.
'").innerHTML="'.userdate($submission->timemarked)."\";\n";
}
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['status'])) {
$output.= 'opener.document.getElementById("up'.$submission->userid.'").className="s1";';
$buttontext = get_string('update');
$url = new moodle_url('/mod/assignment/submissions.php', array(
'id' => $this->cm->id,
'userid' => $submission->userid,
'mode' => 'single',
'offset' => (optional_param('offset', '', PARAM_INT)-1)));
$button = $OUTPUT->action_link($url, $buttontext, new popup_action('click', $url, 'grade'.$submission->userid, array('height' => 450, 'width' => 700)), array('ttile'=>$buttontext));
$output .= 'opener.document.getElementById("up'.$submission->userid.'").innerHTML="'.addslashes_js($button).'";';
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $submission->userid);
if (empty($SESSION->flextable['mod-assignment-submissions']->collapse['finalgrade'])) {
$output.= 'opener.document.getElementById("finalgrade_'.$submission->userid.
'").innerHTML="'.$grading_info->items[0]->grades[$submission->userid]->str_grade.'";'."\n";
}
if (!empty($CFG->enableoutcomes) and empty($SESSION->flextable['mod-assignment-submissions']->collapse['outcome'])) {
if (!empty($grading_info->outcomes)) {
foreach($grading_info->outcomes as $n=>$outcome) {
if ($outcome->grades[$submission->userid]->locked) {
continue;
}
if ($quickgrade){
$output.= 'opener.document.getElementById("outcome_'.$n.'_'.$submission->userid.
'").selectedIndex="'.$outcome->grades[$submission->userid]->grade.'";'."\n";
} else {
$options = make_grades_menu(-$outcome->scaleid);
$options[0] = get_string('nooutcome', 'grades');
$output.= 'opener.document.getElementById("outcome_'.$n.'_'.$submission->userid.'").innerHTML="'.$options[$outcome->grades[$submission->userid]->grade]."\";\n";
}
}
}
}
$output .= "\n-->\n</script>";
return $output;
}
/**
* Return a grade in user-friendly form, whether it's a scale or not
*
* @global object
* @param mixed $grade
* @return string User-friendly representation of grade
*/
function display_grade($grade) {
global $DB;
static $scalegrades = array(); // Cache scales for each assignment - they might have different scales!!
if ($this->assignment->grade >= 0) { // Normal number
if ($grade == -1) {
return '-';
} else {
return $grade.' / '.$this->assignment->grade;
}
} else { // Scale
if (empty($scalegrades[$this->assignment->id])) {
if ($scale = $DB->get_record('scale', array('id'=>-($this->assignment->grade)))) {
$scalegrades[$this->assignment->id] = make_menu_from_list($scale->scale);
} else {
return '-';
}
}
if (isset($scalegrades[$this->assignment->id][$grade])) {
return $scalegrades[$this->assignment->id][$grade];
}
return '-';
}
}
/**
* Display a single submission, ready for grading on a popup window
*
* This default method prints the teacher info and submissioncomment box at the top and
* the student info and submission at the bottom.
* This method also fetches the necessary data in order to be able to
* provide a "Next submission" button.
* Calls preprocess_submission() to give assignment type plug-ins a chance
* to process submissions before they are graded
* This method gets its arguments from the page parameters userid and offset
*
* @global object
* @global object
* @param string $extra_javascript
*/
function display_submission($offset=-1,$userid =-1, $display=true) {
global $CFG, $DB, $PAGE, $OUTPUT, $USER;
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->libdir.'/tablelib.php');
require_once("$CFG->dirroot/repository/lib.php");
require_once("$CFG->dirroot/grade/grading/lib.php");
if ($userid==-1) {
$userid = required_param('userid', PARAM_INT);
}
if ($offset==-1) {
$offset = required_param('offset', PARAM_INT);//offset for where to start looking for student.
}
$filter = optional_param('filter', 0, PARAM_INT);
if (!$user = $DB->get_record('user', array('id'=>$userid))) {
print_error('nousers');
}
if (!$submission = $this->get_submission($user->id)) {
$submission = $this->prepare_new_submission($userid);
}
if ($submission->timemodified > $submission->timemarked) {
$subtype = 'assignmentnew';
} else {
$subtype = 'assignmentold';
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, array($user->id));
$gradingdisabled = $grading_info->items[0]->grades[$userid]->locked || $grading_info->items[0]->grades[$userid]->overridden;
/// construct SQL, using current offset to find the data of the next student
$course = $this->course;
$assignment = $this->assignment;
$cm = $this->cm;
$context = get_context_instance(CONTEXT_MODULE, $cm->id);