MDL-58697: Only get group submission if enabled
[moodle.git] / mod / assign / gradingtable.php
1 <?php
2 // This file is part of Moodle - http://moodle.org/
3 //
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.
8 //
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.
13 //
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/>.
17 /**
18  * This file contains the definition for the grading table which subclassses easy_table
19  *
20  * @package   mod_assign
21  * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23  */
25 defined('MOODLE_INTERNAL') || die();
27 require_once($CFG->libdir.'/tablelib.php');
28 require_once($CFG->libdir.'/gradelib.php');
29 require_once($CFG->dirroot.'/mod/assign/locallib.php');
31 /**
32  * Extends table_sql to provide a table of assignment submissions
33  *
34  * @package   mod_assign
35  * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
36  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
37  */
38 class assign_grading_table extends table_sql implements renderable {
39     /** @var assign $assignment */
40     private $assignment = null;
41     /** @var int $perpage */
42     private $perpage = 10;
43     /** @var int $rownum (global index of current row in table) */
44     private $rownum = -1;
45     /** @var renderer_base for getting output */
46     private $output = null;
47     /** @var stdClass gradinginfo */
48     private $gradinginfo = null;
49     /** @var int $tablemaxrows */
50     private $tablemaxrows = 10000;
51     /** @var boolean $quickgrading */
52     private $quickgrading = false;
53     /** @var boolean $hasgrantextension - Only do the capability check once for the entire table */
54     private $hasgrantextension = false;
55     /** @var boolean $hasgrade - Only do the capability check once for the entire table */
56     private $hasgrade = false;
57     /** @var array $groupsubmissions - A static cache of group submissions */
58     private $groupsubmissions = array();
59     /** @var array $submissiongroups - A static cache of submission groups */
60     private $submissiongroups = array();
61     /** @var string $plugingradingbatchoperations - List of plugin supported batch operations */
62     public $plugingradingbatchoperations = array();
63     /** @var array $plugincache - A cache of plugin lookups to match a column name to a plugin efficiently */
64     private $plugincache = array();
65     /** @var array $scale - A list of the keys and descriptions for the custom scale */
66     private $scale = null;
68     /**
69      * overridden constructor keeps a reference to the assignment class that is displaying this table
70      *
71      * @param assign $assignment The assignment class
72      * @param int $perpage how many per page
73      * @param string $filter The current filter
74      * @param int $rowoffset For showing a subsequent page of results
75      * @param bool $quickgrading Is this table wrapped in a quickgrading form?
76      * @param string $downloadfilename
77      */
78     public function __construct(assign $assignment,
79                                 $perpage,
80                                 $filter,
81                                 $rowoffset,
82                                 $quickgrading,
83                                 $downloadfilename = null) {
84         global $CFG, $PAGE, $DB, $USER;
85         parent::__construct('mod_assign_grading');
86         $this->is_persistent(true);
87         $this->assignment = $assignment;
89         // Check permissions up front.
90         $this->hasgrantextension = has_capability('mod/assign:grantextension',
91                                                   $this->assignment->get_context());
92         $this->hasgrade = $this->assignment->can_grade();
94         // Check if we have the elevated view capablities to see the blind details.
95         $this->hasviewblind = has_capability('mod/assign:viewblinddetails',
96                 $this->assignment->get_context());
98         foreach ($assignment->get_feedback_plugins() as $plugin) {
99             if ($plugin->is_visible() && $plugin->is_enabled()) {
100                 foreach ($plugin->get_grading_batch_operations() as $action => $description) {
101                     if (empty($this->plugingradingbatchoperations)) {
102                         $this->plugingradingbatchoperations[$plugin->get_type()] = array();
103                     }
104                     $this->plugingradingbatchoperations[$plugin->get_type()][$action] = $description;
105                 }
106             }
107         }
108         $this->perpage = $perpage;
109         $this->quickgrading = $quickgrading && $this->hasgrade;
110         $this->output = $PAGE->get_renderer('mod_assign');
112         $urlparams = array('action'=>'grading', 'id'=>$assignment->get_course_module()->id);
113         $url = new moodle_url($CFG->wwwroot . '/mod/assign/view.php', $urlparams);
114         $this->define_baseurl($url);
116         // Do some business - then set the sql.
117         $currentgroup = groups_get_activity_group($assignment->get_course_module(), true);
119         if ($rowoffset) {
120             $this->rownum = $rowoffset - 1;
121         }
123         $users = array_keys( $assignment->list_participants($currentgroup, true));
124         if (count($users) == 0) {
125             // Insert a record that will never match to the sql is still valid.
126             $users[] = -1;
127         }
129         $params = array();
130         $params['assignmentid1'] = (int)$this->assignment->get_instance()->id;
131         $params['assignmentid2'] = (int)$this->assignment->get_instance()->id;
132         $params['assignmentid3'] = (int)$this->assignment->get_instance()->id;
133         $params['newstatus'] = ASSIGN_SUBMISSION_STATUS_NEW;
135         $extrauserfields = get_extra_user_fields($this->assignment->get_context());
137         $fields = user_picture::fields('u', $extrauserfields) . ', ';
138         $fields .= 'u.id as userid, ';
139         $fields .= 's.status as status, ';
140         $fields .= 's.id as submissionid, ';
141         $fields .= 's.timecreated as firstsubmission, ';
142         $fields .= "CASE WHEN status <> :newstatus THEN s.timemodified ELSE NULL END as timesubmitted, ";
143         $fields .= 's.attemptnumber as attemptnumber, ';
144         $fields .= 'g.id as gradeid, ';
145         $fields .= 'g.grade as grade, ';
146         $fields .= 'g.timemodified as timemarked, ';
147         $fields .= 'g.timecreated as firstmarked, ';
148         $fields .= 'uf.mailed as mailed, ';
149         $fields .= 'uf.locked as locked, ';
150         $fields .= 'uf.extensionduedate as extensionduedate, ';
151         $fields .= 'uf.workflowstate as workflowstate, ';
152         $fields .= 'uf.allocatedmarker as allocatedmarker';
154         $from = '{user} u
155                          LEFT JOIN {assign_submission} s
156                                 ON u.id = s.userid
157                                AND s.assignment = :assignmentid1
158                                AND s.latest = 1
159                          LEFT JOIN {assign_grades} g
160                                 ON u.id = g.userid
161                                AND g.assignment = :assignmentid2 ';
163         // For group submissions we don't immediately create an entry in the assign_submission table for each user,
164         // instead the userid is set to 0. In this case we use a different query to retrieve the grade for the user.
165         if ($this->assignment->get_instance()->teamsubmission) {
166             $params['assignmentid4'] = (int) $this->assignment->get_instance()->id;
167             $grademaxattempt = 'SELECT mxg.userid, MAX(mxg.attemptnumber) AS maxattempt
168                                   FROM {assign_grades} mxg
169                                  WHERE mxg.assignment = :assignmentid4
170                               GROUP BY mxg.userid';
171             $from .= 'LEFT JOIN (' . $grademaxattempt . ') gmx
172                              ON u.id = gmx.userid
173                             AND g.attemptnumber = gmx.maxattempt ';
174         } else {
175             $from .= 'AND g.attemptnumber = s.attemptnumber ';
176         }
178         $from .= 'LEFT JOIN {assign_user_flags} uf
179                          ON u.id = uf.userid
180                         AND uf.assignment = :assignmentid3 ';
182         $hasoverrides = $this->assignment->has_overrides();
184         if ($hasoverrides) {
185             $params['assignmentid5'] = (int)$this->assignment->get_instance()->id;
186             $params['assignmentid6'] = (int)$this->assignment->get_instance()->id;
187             $params['assignmentid7'] = (int)$this->assignment->get_instance()->id;
188             $params['assignmentid8'] = (int)$this->assignment->get_instance()->id;
189             $params['assignmentid9'] = (int)$this->assignment->get_instance()->id;
191             $fields .= ', priority.priority, ';
192             $fields .= 'effective.allowsubmissionsfromdate, ';
193             $fields .= 'effective.duedate, ';
194             $fields .= 'effective.cutoffdate ';
196             $from .= ' LEFT JOIN (
197                SELECT merged.userid, min(merged.priority) priority FROM (
198                   ( SELECT u.id as userid, 9999999 AS priority
199                       FROM {user} u
200                   )
201                   UNION
202                   ( SELECT uo.userid, 0 AS priority
203                       FROM {assign_overrides} uo
204                      WHERE uo.assignid = :assignmentid5
205                   )
206                   UNION
207                   ( SELECT gm.userid, go.sortorder AS priority
208                       FROM {assign_overrides} go
209                       JOIN {groups} g ON g.id = go.groupid
210                       JOIN {groups_members} gm ON gm.groupid = g.id
211                      WHERE go.assignid = :assignmentid6
212                   )
213                 ) merged
214                 GROUP BY merged.userid
215               ) priority ON priority.userid = u.id
217             JOIN (
218               (SELECT 9999999 AS priority,
219                       u.id AS userid,
220                       a.allowsubmissionsfromdate,
221                       a.duedate,
222                       a.cutoffdate
223                  FROM {user} u
224                  JOIN {assign} a ON a.id = :assignmentid7
225               )
226               UNION
227               (SELECT 0 AS priority,
228                       uo.userid,
229                       uo.allowsubmissionsfromdate,
230                       uo.duedate,
231                       uo.cutoffdate
232                  FROM {assign_overrides} uo
233                 WHERE uo.assignid = :assignmentid8
234               )
235               UNION
236               (SELECT go.sortorder AS priority,
237                       gm.userid,
238                       go.allowsubmissionsfromdate,
239                       go.duedate,
240                       go.cutoffdate
241                  FROM {assign_overrides} go
242                  JOIN {groups} g ON g.id = go.groupid
243                  JOIN {groups_members} gm ON gm.groupid = g.id
244                 WHERE go.assignid = :assignmentid9
245               )
247             ) effective ON effective.priority = priority.priority AND effective.userid = priority.userid ';
248         }
250         if (!empty($this->assignment->get_instance()->blindmarking)) {
251             $from .= 'LEFT JOIN {assign_user_mapping} um
252                              ON u.id = um.userid
253                             AND um.assignment = :assignmentidblind ';
254             $params['assignmentidblind'] = (int)$this->assignment->get_instance()->id;
255             $fields .= ', um.id as recordid ';
256         }
258         $userparams = array();
259         $userindex = 0;
261         list($userwhere, $userparams) = $DB->get_in_or_equal($users, SQL_PARAMS_NAMED, 'user');
262         $where = 'u.id ' . $userwhere;
263         $params = array_merge($params, $userparams);
265         // The filters do not make sense when there are no submissions, so do not apply them.
266         if ($this->assignment->is_any_submission_plugin_enabled()) {
267             if ($filter == ASSIGN_FILTER_SUBMITTED) {
268                 $where .= ' AND (s.timemodified IS NOT NULL AND
269                                  s.status = :submitted) ';
270                 $params['submitted'] = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
272             } else if ($filter == ASSIGN_FILTER_NOT_SUBMITTED) {
273                 $where .= ' AND (s.timemodified IS NULL OR s.status <> :submitted) ';
274                 $params['submitted'] = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
275             } else if ($filter == ASSIGN_FILTER_REQUIRE_GRADING) {
276                 $where .= ' AND (s.timemodified IS NOT NULL AND
277                                  s.status = :submitted AND
278                                  (s.timemodified >= g.timemodified OR g.timemodified IS NULL OR g.grade IS NULL';
280                 if ($this->assignment->get_grade_item()->gradetype == GRADE_TYPE_SCALE) {
281                     // Scale grades are set to -1 when not graded.
282                     $where .= ' OR g.grade = -1';
283                 }
285                 $where .= '))';
286                 $params['submitted'] = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
288             } else if ($filter == ASSIGN_FILTER_GRANTED_EXTENSION) {
289                 $where .= ' AND uf.extensionduedate > 0 ';
291             } else if (strpos($filter, ASSIGN_FILTER_SINGLE_USER) === 0) {
292                 $userfilter = (int) array_pop(explode('=', $filter));
293                 $where .= ' AND (u.id = :userid)';
294                 $params['userid'] = $userfilter;
295             }
296         }
298         if ($this->assignment->get_instance()->markingworkflow &&
299             $this->assignment->get_instance()->markingallocation) {
300             if (has_capability('mod/assign:manageallocations', $this->assignment->get_context())) {
301                 // Check to see if marker filter is set.
302                 $markerfilter = (int)get_user_preferences('assign_markerfilter', '');
303                 if (!empty($markerfilter)) {
304                     if ($markerfilter == ASSIGN_MARKER_FILTER_NO_MARKER) {
305                         $where .= ' AND (uf.allocatedmarker IS NULL OR uf.allocatedmarker = 0)';
306                     } else {
307                         $where .= ' AND uf.allocatedmarker = :markerid';
308                         $params['markerid'] = $markerfilter;
309                     }
310                 }
311             }
312         }
314         if ($this->assignment->get_instance()->markingworkflow) {
315             $workflowstates = $this->assignment->get_marking_workflow_states_for_current_user();
316             if (!empty($workflowstates)) {
317                 $workflowfilter = get_user_preferences('assign_workflowfilter', '');
318                 if ($workflowfilter == ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED) {
319                     $where .= ' AND (uf.workflowstate = :workflowstate OR uf.workflowstate IS NULL OR '.
320                         $DB->sql_isempty('assign_user_flags', 'workflowstate', true, true).')';
321                     $params['workflowstate'] = $workflowfilter;
322                 } else if (array_key_exists($workflowfilter, $workflowstates)) {
323                     $where .= ' AND uf.workflowstate = :workflowstate';
324                     $params['workflowstate'] = $workflowfilter;
325                 }
326             }
327         }
329         $this->set_sql($fields, $from, $where, $params);
331         if ($downloadfilename) {
332             $this->is_downloading('csv', $downloadfilename);
333         }
335         $columns = array();
336         $headers = array();
338         // Select.
339         if (!$this->is_downloading() && $this->hasgrade) {
340             $columns[] = 'select';
341             $headers[] = get_string('select') .
342                     '<div class="selectall"><label class="accesshide" for="selectall">' . get_string('selectall') . '</label>
343                     <input type="checkbox" id="selectall" name="selectall" title="' . get_string('selectall') . '"/></div>';
344         }
346         // User picture.
347         if ($this->hasviewblind || !$this->assignment->is_blind_marking()) {
348             if (!$this->is_downloading()) {
349                 $columns[] = 'picture';
350                 $headers[] = get_string('pictureofuser');
351             } else {
352                 $columns[] = 'recordid';
353                 $headers[] = get_string('recordid', 'assign');
354             }
356             // Fullname.
357             $columns[] = 'fullname';
358             $headers[] = get_string('fullname');
360             // Participant # details if can view real identities.
361             if ($this->assignment->is_blind_marking()) {
362                 if (!$this->is_downloading()) {
363                     $columns[] = 'recordid';
364                     $headers[] = get_string('recordid', 'assign');
365                 }
366             }
368             foreach ($extrauserfields as $extrafield) {
369                 $columns[] = $extrafield;
370                 $headers[] = get_user_field_name($extrafield);
371             }
372         } else {
373             // Record ID.
374             $columns[] = 'recordid';
375             $headers[] = get_string('recordid', 'assign');
376         }
378         // Submission status.
379         $columns[] = 'status';
380         $headers[] = get_string('status', 'assign');
382         if ($hasoverrides) {
383             // Allowsubmissionsfromdate.
384             $columns[] = 'allowsubmissionsfromdate';
385             $headers[] = get_string('allowsubmissionsfromdate', 'assign');
387             // Duedate.
388             $columns[] = 'duedate';
389             $headers[] = get_string('duedate', 'assign');
391             // Cutoffdate.
392             $columns[] = 'cutoffdate';
393             $headers[] = get_string('cutoffdate', 'assign');
394         }
396         // Team submission columns.
397         if ($assignment->get_instance()->teamsubmission) {
398             $columns[] = 'team';
399             $headers[] = get_string('submissionteam', 'assign');
400         }
401         // Allocated marker.
402         if ($this->assignment->get_instance()->markingworkflow &&
403             $this->assignment->get_instance()->markingallocation &&
404             has_capability('mod/assign:manageallocations', $this->assignment->get_context())) {
405             // Add a column for the allocated marker.
406             $columns[] = 'allocatedmarker';
407             $headers[] = get_string('marker', 'assign');
408         }
409         // Grade.
410         $columns[] = 'grade';
411         $headers[] = get_string('grade');
412         if ($this->is_downloading()) {
413             if ($this->assignment->get_instance()->grade >= 0) {
414                 $columns[] = 'grademax';
415                 $headers[] = get_string('maxgrade', 'assign');
416             } else {
417                 // This is a custom scale.
418                 $columns[] = 'scale';
419                 $headers[] = get_string('scale', 'assign');
420             }
422             if ($this->assignment->get_instance()->markingworkflow) {
423                 // Add a column for the marking workflow state.
424                 $columns[] = 'workflowstate';
425                 $headers[] = get_string('markingworkflowstate', 'assign');
426             }
427             // Add a column for the list of valid marking workflow states.
428             $columns[] = 'gradecanbechanged';
429             $headers[] = get_string('gradecanbechanged', 'assign');
430         }
431         if (!$this->is_downloading() && $this->hasgrade) {
432             // We have to call this column userid so we can use userid as a default sortable column.
433             $columns[] = 'userid';
434             $headers[] = get_string('edit');
435         }
437         // Submission plugins.
438         if ($assignment->is_any_submission_plugin_enabled()) {
439             $columns[] = 'timesubmitted';
440             $headers[] = get_string('lastmodifiedsubmission', 'assign');
442             foreach ($this->assignment->get_submission_plugins() as $plugin) {
443                 if ($this->is_downloading()) {
444                     if ($plugin->is_visible() && $plugin->is_enabled()) {
445                         foreach ($plugin->get_editor_fields() as $field => $description) {
446                             $index = 'plugin' . count($this->plugincache);
447                             $this->plugincache[$index] = array($plugin, $field);
448                             $columns[] = $index;
449                             $headers[] = $plugin->get_name();
450                         }
451                     }
452                 } else {
453                     if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->has_user_summary()) {
454                         $index = 'plugin' . count($this->plugincache);
455                         $this->plugincache[$index] = array($plugin);
456                         $columns[] = $index;
457                         $headers[] = $plugin->get_name();
458                     }
459                 }
460             }
461         }
463         // Time marked.
464         $columns[] = 'timemarked';
465         $headers[] = get_string('lastmodifiedgrade', 'assign');
467         // Feedback plugins.
468         foreach ($this->assignment->get_feedback_plugins() as $plugin) {
469             if ($this->is_downloading()) {
470                 if ($plugin->is_visible() && $plugin->is_enabled()) {
471                     foreach ($plugin->get_editor_fields() as $field => $description) {
472                         $index = 'plugin' . count($this->plugincache);
473                         $this->plugincache[$index] = array($plugin, $field);
474                         $columns[] = $index;
475                         $headers[] = $description;
476                     }
477                 }
478             } else if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->has_user_summary()) {
479                 $index = 'plugin' . count($this->plugincache);
480                 $this->plugincache[$index] = array($plugin);
481                 $columns[] = $index;
482                 $headers[] = $plugin->get_name();
483             }
484         }
486         // Exclude 'Final grade' column in downloaded grading worksheets.
487         if (!$this->is_downloading()) {
488             // Final grade.
489             $columns[] = 'finalgrade';
490             $headers[] = get_string('finalgrade', 'grades');
491         }
493         // Load the grading info for all users.
494         $this->gradinginfo = grade_get_grades($this->assignment->get_course()->id,
495                                               'mod',
496                                               'assign',
497                                               $this->assignment->get_instance()->id,
498                                               $users);
500         if (!empty($CFG->enableoutcomes) && !empty($this->gradinginfo->outcomes)) {
501             $columns[] = 'outcomes';
502             $headers[] = get_string('outcomes', 'grades');
503         }
505         // Set the columns.
506         $this->define_columns($columns);
507         $this->define_headers($headers);
508         foreach ($extrauserfields as $extrafield) {
509              $this->column_class($extrafield, $extrafield);
510         }
511         $this->no_sorting('recordid');
512         $this->no_sorting('finalgrade');
513         $this->no_sorting('userid');
514         $this->no_sorting('select');
515         $this->no_sorting('outcomes');
517         if ($assignment->get_instance()->teamsubmission) {
518             $this->no_sorting('team');
519         }
521         $plugincolumnindex = 0;
522         foreach ($this->assignment->get_submission_plugins() as $plugin) {
523             if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->has_user_summary()) {
524                 $submissionpluginindex = 'plugin' . $plugincolumnindex++;
525                 $this->no_sorting($submissionpluginindex);
526             }
527         }
528         foreach ($this->assignment->get_feedback_plugins() as $plugin) {
529             if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->has_user_summary()) {
530                 $feedbackpluginindex = 'plugin' . $plugincolumnindex++;
531                 $this->no_sorting($feedbackpluginindex);
532             }
533         }
535         // When there is no data we still want the column headers printed in the csv file.
536         if ($this->is_downloading()) {
537             $this->start_output();
538         }
539     }
541     /**
542      * Before adding each row to the table make sure rownum is incremented.
543      *
544      * @param array $row row of data from db used to make one row of the table.
545      * @return array one row for the table
546      */
547     public function format_row($row) {
548         if ($this->rownum < 0) {
549             $this->rownum = $this->currpage * $this->pagesize;
550         } else {
551             $this->rownum += 1;
552         }
554         return parent::format_row($row);
555     }
557     /**
558      * Add a column with an ID that uniquely identifies this user in this assignment.
559      *
560      * @param stdClass $row
561      * @return string
562      */
563     public function col_recordid(stdClass $row) {
564         if (empty($row->recordid)) {
565             $row->recordid = $this->assignment->get_uniqueid_for_user($row->userid);
566         }
567         return get_string('hiddenuser', 'assign') . $row->recordid;
568     }
571     /**
572      * Add the userid to the row class so it can be updated via ajax.
573      *
574      * @param stdClass $row The row of data
575      * @return string The row class
576      */
577     public function get_row_class($row) {
578         return 'user' . $row->userid;
579     }
581     /**
582      * Return the number of rows to display on a single page.
583      *
584      * @return int The number of rows per page
585      */
586     public function get_rows_per_page() {
587         return $this->perpage;
588     }
590     /**
591      * list current marking workflow state
592      *
593      * @param stdClass $row
594      * @return string
595      */
596     public function col_workflowstatus(stdClass $row) {
597         $o = '';
599         $gradingdisabled = $this->assignment->grading_disabled($row->id);
600         // The function in the assignment keeps a static cache of this list of states.
601         $workflowstates = $this->assignment->get_marking_workflow_states_for_current_user();
602         $workflowstate = $row->workflowstate;
603         if (empty($workflowstate)) {
604             $workflowstate = ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED;
605         }
606         if ($this->quickgrading && !$gradingdisabled) {
607             $notmarked = get_string('markingworkflowstatenotmarked', 'assign');
608             $name = 'quickgrade_' . $row->id . '_workflowstate';
609             $o .= html_writer::select($workflowstates, $name, $workflowstate, array('' => $notmarked));
610             // Check if this user is a marker that can't manage allocations and doesn't have the marker column added.
611             if ($this->assignment->get_instance()->markingworkflow &&
612                 $this->assignment->get_instance()->markingallocation &&
613                 !has_capability('mod/assign:manageallocations', $this->assignment->get_context())) {
615                 $name = 'quickgrade_' . $row->id . '_allocatedmarker';
616                 $o .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $name,
617                         'value' => $row->allocatedmarker));
618             }
619         } else {
620             $o .= $this->output->container(get_string('markingworkflowstate' . $workflowstate, 'assign'), $workflowstate);
621         }
622         return $o;
623     }
625     /**
626      * For download only - list current marking workflow state
627      *
628      * @param stdClass $row - The row of data
629      * @return string The current marking workflow state
630      */
631     public function col_workflowstate($row) {
632         $state = $row->workflowstate;
633         if (empty($state)) {
634             $state = ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED;
635         }
637         return get_string('markingworkflowstate' . $state, 'assign');
638     }
640     /**
641      * list current marker
642      *
643      * @param stdClass $row - The row of data
644      * @return id the user->id of the marker.
645      */
646     public function col_allocatedmarker(stdClass $row) {
647         static $markers = null;
648         static $markerlist = array();
649         if ($markers === null) {
650             list($sort, $params) = users_order_by_sql('u');
651             // Only enrolled users could be assigned as potential markers.
652             $markers = get_enrolled_users($this->assignment->get_context(), 'mod/assign:grade', 0, 'u.*', $sort);
653             $markerlist[0] = get_string('choosemarker', 'assign');
654             $viewfullnames = has_capability('moodle/site:viewfullnames', $this->assignment->get_context());
655             foreach ($markers as $marker) {
656                 $markerlist[$marker->id] = fullname($marker, $viewfullnames);
657             }
658         }
659         if (empty($markerlist)) {
660             // TODO: add some form of notification here that no markers are available.
661             return '';
662         }
663         if ($this->is_downloading()) {
664             if (isset($markers[$row->allocatedmarker])) {
665                 return fullname($markers[$row->allocatedmarker],
666                         has_capability('moodle/site:viewfullnames', $this->assignment->get_context()));
667             } else {
668                 return '';
669             }
670         }
672         if ($this->quickgrading && has_capability('mod/assign:manageallocations', $this->assignment->get_context()) &&
673             (empty($row->workflowstate) ||
674              $row->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_INMARKING ||
675              $row->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED)) {
677             $name = 'quickgrade_' . $row->id . '_allocatedmarker';
678             return  html_writer::select($markerlist, $name, $row->allocatedmarker, false);
679         } else if (!empty($row->allocatedmarker)) {
680             $output = '';
681             if ($this->quickgrading) { // Add hidden field for quickgrading page.
682                 $name = 'quickgrade_' . $row->id . '_allocatedmarker';
683                 $output .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>$name, 'value'=>$row->allocatedmarker));
684             }
685             $output .= $markerlist[$row->allocatedmarker];
686             return $output;
687         }
688     }
689     /**
690      * For download only - list all the valid options for this custom scale.
691      *
692      * @param stdClass $row - The row of data
693      * @return string A list of valid options for the current scale
694      */
695     public function col_scale($row) {
696         global $DB;
698         if (empty($this->scale)) {
699             $dbparams = array('id'=>-($this->assignment->get_instance()->grade));
700             $this->scale = $DB->get_record('scale', $dbparams);
701         }
703         if (!empty($this->scale->scale)) {
704             return implode("\n", explode(',', $this->scale->scale));
705         }
706         return '';
707     }
709     /**
710      * Display a grade with scales etc.
711      *
712      * @param string $grade
713      * @param boolean $editable
714      * @param int $userid The user id of the user this grade belongs to
715      * @param int $modified Timestamp showing when the grade was last modified
716      * @return string The formatted grade
717      */
718     public function display_grade($grade, $editable, $userid, $modified) {
719         if ($this->is_downloading()) {
720             if ($this->assignment->get_instance()->grade >= 0) {
721                 if ($grade == -1 || $grade === null) {
722                     return '';
723                 }
724                 $gradeitem = $this->assignment->get_grade_item();
725                 return format_float($grade, $gradeitem->get_decimals());
726             } else {
727                 // This is a custom scale.
728                 $scale = $this->assignment->display_grade($grade, false);
729                 if ($scale == '-') {
730                     $scale = '';
731                 }
732                 return $scale;
733             }
734         }
735         return $this->assignment->display_grade($grade, $editable, $userid, $modified);
736     }
738     /**
739      * Get the team info for this user.
740      *
741      * @param stdClass $row
742      * @return string The team name
743      */
744     public function col_team(stdClass $row) {
745         $submission = false;
746         $group = false;
747         $this->get_group_and_submission($row->id, $group, $submission, -1);
748         if ($group) {
749             return $group->name;
750         } else if ($this->assignment->get_instance()->preventsubmissionnotingroup) {
751             $usergroups = $this->assignment->get_all_groups($row->id);
752             if (count($usergroups) > 1) {
753                 return get_string('multipleteamsgrader', 'assign');
754             } else {
755                 return get_string('noteamgrader', 'assign');
756             }
757         }
758         return get_string('defaultteam', 'assign');
759     }
761     /**
762      * Use a static cache to try and reduce DB calls.
763      *
764      * @param int $userid The user id for this submission
765      * @param int $group The groupid (returned)
766      * @param stdClass|false $submission The stdClass submission or false (returned)
767      * @param int $attemptnumber Return a specific attempt number (-1 for latest)
768      */
769     protected function get_group_and_submission($userid, &$group, &$submission, $attemptnumber) {
770         $group = false;
771         if (isset($this->submissiongroups[$userid])) {
772             $group = $this->submissiongroups[$userid];
773         } else {
774             $group = $this->assignment->get_submission_group($userid, false);
775             $this->submissiongroups[$userid] = $group;
776         }
778         $groupid = 0;
779         if ($group) {
780             $groupid = $group->id;
781         }
783         // Static cache is keyed by groupid and attemptnumber.
784         // We may need both the latest and previous attempt in the same page.
785         if (isset($this->groupsubmissions[$groupid . ':' . $attemptnumber])) {
786             $submission = $this->groupsubmissions[$groupid . ':' . $attemptnumber];
787         } else {
788             $submission = $this->assignment->get_group_submission($userid, $groupid, false, $attemptnumber);
789             $this->groupsubmissions[$groupid . ':' . $attemptnumber] = $submission;
790         }
791     }
793     /**
794      * Format a list of outcomes.
795      *
796      * @param stdClass $row
797      * @return string
798      */
799     public function col_outcomes(stdClass $row) {
800         $outcomes = '';
801         foreach ($this->gradinginfo->outcomes as $index => $outcome) {
802             $options = make_grades_menu(-$outcome->scaleid);
804             $options[0] = get_string('nooutcome', 'grades');
805             if ($this->quickgrading && !($outcome->grades[$row->userid]->locked)) {
806                 $select = '<select name="outcome_' . $index . '_' . $row->userid . '" class="quickgrade">';
807                 foreach ($options as $optionindex => $optionvalue) {
808                     $selected = '';
809                     if ($outcome->grades[$row->userid]->grade == $optionindex) {
810                         $selected = 'selected="selected"';
811                     }
812                     $select .= '<option value="' . $optionindex . '"' . $selected . '>' . $optionvalue . '</option>';
813                 }
814                 $select .= '</select>';
815                 $outcomes .= $this->output->container($outcome->name . ': ' . $select, 'outcome');
816             } else {
817                 $name = $outcome->name . ': ' . $options[$outcome->grades[$row->userid]->grade];
818                 if ($this->is_downloading()) {
819                     $outcomes .= $name;
820                 } else {
821                     $outcomes .= $this->output->container($name, 'outcome');
822                 }
823             }
824         }
826         return $outcomes;
827     }
830     /**
831      * Format a user picture for display.
832      *
833      * @param stdClass $row
834      * @return string
835      */
836     public function col_picture(stdClass $row) {
837         return $this->output->user_picture($row);
838     }
840     /**
841      * Format a user record for display (link to profile).
842      *
843      * @param stdClass $row
844      * @return string
845      */
846     public function col_fullname($row) {
847         if (!$this->is_downloading()) {
848             $courseid = $this->assignment->get_course()->id;
849             $link= new moodle_url('/user/view.php', array('id' =>$row->id, 'course'=>$courseid));
850             $fullname = $this->output->action_link($link, $this->assignment->fullname($row));
851         } else {
852             $fullname = $this->assignment->fullname($row);
853         }
855         if (!$this->assignment->is_active_user($row->id)) {
856             $suspendedstring = get_string('userenrolmentsuspended', 'grades');
857             $fullname .= ' ' . $this->output->pix_icon('i/enrolmentsuspended', $suspendedstring);
858             $fullname = html_writer::tag('span', $fullname, array('class' => 'usersuspended'));
859         }
860         return $fullname;
861     }
863     /**
864      * Insert a checkbox for selecting the current row for batch operations.
865      *
866      * @param stdClass $row
867      * @return string
868      */
869     public function col_select(stdClass $row) {
870         $selectcol = '<label class="accesshide" for="selectuser_' . $row->userid . '">';
871         $selectcol .= get_string('selectuser', 'assign', $this->assignment->fullname($row));
872         $selectcol .= '</label>';
873         $selectcol .= '<input type="checkbox"
874                               id="selectuser_' . $row->userid . '"
875                               name="selectedusers"
876                               value="' . $row->userid . '"/>';
877         $selectcol .= '<input type="hidden"
878                               name="grademodified_' . $row->userid . '"
879                               value="' . $row->timemarked . '"/>';
880         $selectcol .= '<input type="hidden"
881                               name="gradeattempt_' . $row->userid . '"
882                               value="' . $row->attemptnumber . '"/>';
883         return $selectcol;
884     }
886     /**
887      * Return a users grades from the listing of all grade data for this assignment.
888      *
889      * @param int $userid
890      * @return mixed stdClass or false
891      */
892     private function get_gradebook_data_for_user($userid) {
893         if (isset($this->gradinginfo->items[0]) && $this->gradinginfo->items[0]->grades[$userid]) {
894             return $this->gradinginfo->items[0]->grades[$userid];
895         }
896         return false;
897     }
899     /**
900      * Format a column of data for display.
901      *
902      * @param stdClass $row
903      * @return string
904      */
905     public function col_gradecanbechanged(stdClass $row) {
906         $gradingdisabled = $this->assignment->grading_disabled($row->id);
907         if ($gradingdisabled) {
908             return get_string('no');
909         } else {
910             return get_string('yes');
911         }
912     }
914     /**
915      * Format a column of data for display
916      *
917      * @param stdClass $row
918      * @return string
919      */
920     public function col_grademax(stdClass $row) {
921         $gradeitem = $this->assignment->get_grade_item();
922         return format_float($this->assignment->get_instance()->grade, $gradeitem->get_decimals());
923     }
925     /**
926      * Format a column of data for display.
927      *
928      * @param stdClass $row
929      * @return string
930      */
931     public function col_grade(stdClass $row) {
932         $o = '';
934         $link = '';
935         $separator = $this->output->spacer(array(), true);
936         $grade = '';
937         $gradingdisabled = $this->assignment->grading_disabled($row->id);
939         if (!$this->is_downloading() && $this->hasgrade) {
940             $urlparams = array('id' => $this->assignment->get_course_module()->id,
941                                'rownum' => 0,
942                                'action' => 'grader');
944             if ($this->assignment->is_blind_marking()) {
945                 if (empty($row->recordid)) {
946                     $row->recordid = $this->assignment->get_uniqueid_for_user($row->userid);
947                 }
948                 $urlparams['blindid'] = $row->recordid;
949             } else {
950                 $urlparams['userid'] = $row->userid;
951             }
953             $url = new moodle_url('/mod/assign/view.php', $urlparams);
954             $link = '<a href="' . $url . '" class="btn btn-primary">' . get_string('grade') . '</a>';
955             $grade .= $link . $separator;
956         }
958         $grade .= $this->display_grade($row->grade,
959                                        $this->quickgrading && !$gradingdisabled,
960                                        $row->userid,
961                                        $row->timemarked);
963         return $grade;
964     }
966     /**
967      * Format a column of data for display.
968      *
969      * @param stdClass $row
970      * @return string
971      */
972     public function col_finalgrade(stdClass $row) {
973         $o = '';
975         $grade = $this->get_gradebook_data_for_user($row->userid);
976         if ($grade) {
977             $o = $this->display_grade($grade->grade, false, $row->userid, $row->timemarked);
978         }
980         return $o;
981     }
983     /**
984      * Format a column of data for display.
985      *
986      * @param stdClass $row
987      * @return string
988      */
989     public function col_timemarked(stdClass $row) {
990         $o = '-';
992         if ($row->timemarked && $row->grade !== null && $row->grade >= 0) {
993             $o = userdate($row->timemarked);
994         }
995         if ($row->timemarked && $this->is_downloading()) {
996             // Force it for downloads as it affects import.
997             $o = userdate($row->timemarked);
998         }
1000         return $o;
1001     }
1003     /**
1004      * Format a column of data for display.
1005      *
1006      * @param stdClass $row
1007      * @return string
1008      */
1009     public function col_timesubmitted(stdClass $row) {
1010         $o = '-';
1012         $group = false;
1013         $submission = false;
1014         $this->get_group_and_submission($row->id, $group, $submission, -1);
1015         if ($submission && $submission->timemodified && $submission->status != ASSIGN_SUBMISSION_STATUS_NEW) {
1016             $o = userdate($submission->timemodified);
1017         } else if ($row->timesubmitted && $row->status != ASSIGN_SUBMISSION_STATUS_NEW) {
1018             $o = userdate($row->timesubmitted);
1019         }
1021         return $o;
1022     }
1024     /**
1025      * Format a column of data for display
1026      *
1027      * @param stdClass $row
1028      * @return string
1029      */
1030     public function col_status(stdClass $row) {
1031         $o = '';
1033         $instance = $this->assignment->get_instance();
1035         $due = $instance->duedate;
1036         if ($row->extensionduedate) {
1037             $due = $row->extensionduedate;
1038         } else if (!empty($row->duedate)) {
1039             // The override due date.
1040             $due = $row->duedate;
1041         }
1043         $group = false;
1044         $submission = false;
1046         if ($instance->teamsubmission) {
1047             $this->get_group_and_submission($row->id, $group, $submission, -1);
1048         }
1050         if ($instance->teamsubmission && !$group && !$instance->preventsubmissionnotingroup) {
1051             $group = true;
1052         }
1054         if ($group && $submission) {
1055             $timesubmitted = $submission->timemodified;
1056             $status = $submission->status;
1057         } else {
1058             $timesubmitted = $row->timesubmitted;
1059             $status = $row->status;
1060         }
1062         $displaystatus = $status;
1063         if ($displaystatus == 'new') {
1064             $displaystatus = '';
1065         }
1067         if ($this->assignment->is_any_submission_plugin_enabled()) {
1069             $o .= $this->output->container(get_string('submissionstatus_' . $displaystatus, 'assign'),
1070                                            array('class'=>'submissionstatus' .$displaystatus));
1071             if ($due && $timesubmitted > $due && $status != ASSIGN_SUBMISSION_STATUS_NEW) {
1072                 $usertime = format_time($timesubmitted - $due);
1073                 $latemessage = get_string('submittedlateshort',
1074                                           'assign',
1075                                           $usertime);
1076                 $o .= $this->output->container($latemessage, 'latesubmission');
1077             }
1078             if ($row->locked) {
1079                 $lockedstr = get_string('submissionslockedshort', 'assign');
1080                 $o .= $this->output->container($lockedstr, 'lockedsubmission');
1081             }
1083             // Add status of "grading" if markflow is not enabled.
1084             if (!$instance->markingworkflow) {
1085                 if ($row->grade !== null && $row->grade >= 0) {
1086                     $o .= $this->output->container(get_string('graded', 'assign'), 'submissiongraded');
1087                 } else if (!$timesubmitted || $status == ASSIGN_SUBMISSION_STATUS_NEW) {
1088                     $now = time();
1089                     if ($due && ($now > $due)) {
1090                         $overduestr = get_string('overdue', 'assign', format_time($now - $due));
1091                         $o .= $this->output->container($overduestr, 'overduesubmission');
1092                     }
1093                 }
1094             }
1095         }
1097         if ($instance->markingworkflow) {
1098             $o .= $this->col_workflowstatus($row);
1099         }
1100         if ($row->extensionduedate) {
1101             $userdate = userdate($row->extensionduedate);
1102             $extensionstr = get_string('userextensiondate', 'assign', $userdate);
1103             $o .= $this->output->container($extensionstr, 'extensiondate');
1104         }
1106         if ($this->is_downloading()) {
1107             $o = strip_tags(rtrim(str_replace('</div>', ' - ', $o), '- '));
1108         }
1110         return $o;
1111     }
1113     /**
1114      * Format a column of data for display.
1115      *
1116      * @param stdClass $row
1117      * @return string
1118      */
1119     public function col_allowsubmissionsfromdate(stdClass $row) {
1120         $o = '';
1122         if ($row->allowsubmissionsfromdate) {
1123             $userdate = userdate($row->allowsubmissionsfromdate);
1124             $o = $this->output->container($userdate, 'allowsubmissionsfromdate');
1125         }
1127         return $o;
1129     }
1131     /**
1132      * Format a column of data for display.
1133      *
1134      * @param stdClass $row
1135      * @return string
1136      */
1137     public function col_duedate(stdClass $row) {
1138         $o = '';
1140         if ($row->duedate) {
1141             $userdate = userdate($row->duedate);
1142             $o = $this->output->container($userdate, 'duedate');
1143         }
1145         return $o;
1147     }
1149     /**
1150      * Format a column of data for display.
1151      *
1152      * @param stdClass $row
1153      * @return string
1154      */
1155     public function col_cutoffdate(stdClass $row) {
1156         $o = '';
1158         if ($row->cutoffdate) {
1159             $userdate = userdate($row->cutoffdate);
1160             $o = $this->output->container($userdate, 'cutoffdate');
1161         }
1163         return $o;
1165     }
1167     /**
1168      * Format a column of data for display.
1169      *
1170      * @param stdClass $row
1171      * @return string
1172      */
1173     public function col_userid(stdClass $row) {
1174         global $USER;
1176         $edit = '';
1178         $actions = array();
1180         $urlparams = array('id' => $this->assignment->get_course_module()->id,
1181                                'rownum' => 0,
1182                                'action' => 'grader');
1184         if ($this->assignment->is_blind_marking()) {
1185             if (empty($row->recordid)) {
1186                 $row->recordid = $this->assignment->get_uniqueid_for_user($row->userid);
1187             }
1188             $urlparams['blindid'] = $row->recordid;
1189         } else {
1190             $urlparams['userid'] = $row->userid;
1191         }
1192         $url = new moodle_url('/mod/assign/view.php', $urlparams);
1193         $noimage = null;
1195         if (!$row->grade) {
1196             $description = get_string('grade');
1197         } else {
1198             $description = get_string('updategrade', 'assign');
1199         }
1200         $actions['grade'] = new action_menu_link_secondary(
1201             $url,
1202             $noimage,
1203             $description
1204         );
1206         // Everything we need is in the row.
1207         $submission = $row;
1208         $flags = $row;
1209         if ($this->assignment->get_instance()->teamsubmission) {
1210             // Use the cache for this.
1211             $submission = false;
1212             $group = false;
1213             $this->get_group_and_submission($row->id, $group, $submission, -1);
1214         }
1216         $submissionsopen = $this->assignment->submissions_open($row->id,
1217                                                                true,
1218                                                                $submission,
1219                                                                $flags,
1220                                                                $this->gradinginfo);
1221         $caneditsubmission = $this->assignment->can_edit_submission($row->id, $USER->id);
1223         // Hide for offline assignments.
1224         if ($this->assignment->is_any_submission_plugin_enabled()) {
1225             if (!$row->status ||
1226                     $row->status == ASSIGN_SUBMISSION_STATUS_DRAFT ||
1227                     !$this->assignment->get_instance()->submissiondrafts) {
1229                 if (!$row->locked) {
1230                     $urlparams = array('id' => $this->assignment->get_course_module()->id,
1231                                        'userid'=>$row->id,
1232                                        'action'=>'lock',
1233                                        'sesskey'=>sesskey(),
1234                                        'page'=>$this->currpage);
1235                     $url = new moodle_url('/mod/assign/view.php', $urlparams);
1237                     $description = get_string('preventsubmissionsshort', 'assign');
1238                     $actions['lock'] = new action_menu_link_secondary(
1239                         $url,
1240                         $noimage,
1241                         $description
1242                     );
1243                 } else {
1244                     $urlparams = array('id' => $this->assignment->get_course_module()->id,
1245                                        'userid'=>$row->id,
1246                                        'action'=>'unlock',
1247                                        'sesskey'=>sesskey(),
1248                                        'page'=>$this->currpage);
1249                     $url = new moodle_url('/mod/assign/view.php', $urlparams);
1250                     $description = get_string('allowsubmissionsshort', 'assign');
1251                     $actions['unlock'] = new action_menu_link_secondary(
1252                         $url,
1253                         $noimage,
1254                         $description
1255                     );
1256                 }
1257             }
1259             if ($submissionsopen &&
1260                     $USER->id != $row->id &&
1261                     $caneditsubmission) {
1262                 $urlparams = array('id' => $this->assignment->get_course_module()->id,
1263                                    'userid'=>$row->id,
1264                                    'action'=>'editsubmission',
1265                                    'sesskey'=>sesskey(),
1266                                    'page'=>$this->currpage);
1267                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
1268                 $description = get_string('editsubmission', 'assign');
1269                 $actions['editsubmission'] = new action_menu_link_secondary(
1270                     $url,
1271                     $noimage,
1272                     $description
1273                 );
1274             }
1275         }
1276         if (($this->assignment->get_instance()->duedate ||
1277                 $this->assignment->get_instance()->cutoffdate) &&
1278                 $this->hasgrantextension) {
1279              $urlparams = array('id' => $this->assignment->get_course_module()->id,
1280                                 'userid' => $row->id,
1281                                 'action' => 'grantextension',
1282                                 'sesskey' => sesskey(),
1283                                 'page' => $this->currpage);
1284              $url = new moodle_url('/mod/assign/view.php', $urlparams);
1285              $description = get_string('grantextension', 'assign');
1286              $actions['grantextension'] = new action_menu_link_secondary(
1287                  $url,
1288                  $noimage,
1289                  $description
1290              );
1291         }
1292         if ($row->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED &&
1293                 $this->assignment->get_instance()->submissiondrafts) {
1294             $urlparams = array('id' => $this->assignment->get_course_module()->id,
1295                                'userid'=>$row->id,
1296                                'action'=>'reverttodraft',
1297                                'sesskey'=>sesskey(),
1298                                'page'=>$this->currpage);
1299             $url = new moodle_url('/mod/assign/view.php', $urlparams);
1300             $description = get_string('reverttodraftshort', 'assign');
1301             $actions['reverttodraft'] = new action_menu_link_secondary(
1302                 $url,
1303                 $noimage,
1304                 $description
1305             );
1306         }
1307         if ($row->status == ASSIGN_SUBMISSION_STATUS_DRAFT &&
1308                 $this->assignment->get_instance()->submissiondrafts &&
1309                 $caneditsubmission &&
1310                 $submissionsopen &&
1311                 $row->id != $USER->id) {
1312             $urlparams = array('id' => $this->assignment->get_course_module()->id,
1313                                'userid'=>$row->id,
1314                                'action'=>'submitotherforgrading',
1315                                'sesskey'=>sesskey(),
1316                                'page'=>$this->currpage);
1317             $url = new moodle_url('/mod/assign/view.php', $urlparams);
1318             $description = get_string('submitforgrading', 'assign');
1319             $actions['submitforgrading'] = new action_menu_link_secondary(
1320                 $url,
1321                 $noimage,
1322                 $description
1323             );
1324         }
1326         $ismanual = $this->assignment->get_instance()->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL;
1327         $hassubmission = !empty($row->status);
1328         $notreopened = $hassubmission && $row->status != ASSIGN_SUBMISSION_STATUS_REOPENED;
1329         $isunlimited = $this->assignment->get_instance()->maxattempts == ASSIGN_UNLIMITED_ATTEMPTS;
1330         $hasattempts = $isunlimited || $row->attemptnumber < $this->assignment->get_instance()->maxattempts - 1;
1332         if ($ismanual && $hassubmission && $notreopened && $hasattempts) {
1333             $urlparams = array('id' => $this->assignment->get_course_module()->id,
1334                                'userid'=>$row->id,
1335                                'action'=>'addattempt',
1336                                'sesskey'=>sesskey(),
1337                                'page'=>$this->currpage);
1338             $url = new moodle_url('/mod/assign/view.php', $urlparams);
1339             $description = get_string('addattempt', 'assign');
1340             $actions['addattempt'] = new action_menu_link_secondary(
1341                 $url,
1342                 $noimage,
1343                 $description
1344             );
1345         }
1347         $menu = new action_menu();
1348         $menu->set_owner_selector('.gradingtable-actionmenu');
1349         $menu->set_alignment(action_menu::TL, action_menu::BL);
1350         $menu->set_constraint('.gradingtable > .no-overflow');
1351         $menu->set_menu_trigger(get_string('edit'));
1352         foreach ($actions as $action) {
1353             $menu->add($action);
1354         }
1356         // Prioritise the menu ahead of all other actions.
1357         $menu->prioritise = true;
1359         $edit .= $this->output->render($menu);
1361         return $edit;
1362     }
1364     /**
1365      * Write the plugin summary with an optional link to view the full feedback/submission.
1366      *
1367      * @param assign_plugin $plugin Submission plugin or feedback plugin
1368      * @param stdClass $item Submission or grade
1369      * @param string $returnaction The return action to pass to the
1370      *                             view_submission page (the current page)
1371      * @param string $returnparams The return params to pass to the view_submission
1372      *                             page (the current page)
1373      * @return string The summary with an optional link
1374      */
1375     private function format_plugin_summary_with_link(assign_plugin $plugin,
1376                                                      stdClass $item,
1377                                                      $returnaction,
1378                                                      $returnparams) {
1379         $link = '';
1380         $showviewlink = false;
1382         $summary = $plugin->view_summary($item, $showviewlink);
1383         $separator = '';
1384         if ($showviewlink) {
1385             $viewstr = get_string('view' . substr($plugin->get_subtype(), strlen('assign')), 'assign');
1386             $icon = $this->output->pix_icon('t/preview', $viewstr);
1387             $urlparams = array('id' => $this->assignment->get_course_module()->id,
1388                                                      'sid'=>$item->id,
1389                                                      'gid'=>$item->id,
1390                                                      'plugin'=>$plugin->get_type(),
1391                                                      'action'=>'viewplugin' . $plugin->get_subtype(),
1392                                                      'returnaction'=>$returnaction,
1393                                                      'returnparams'=>http_build_query($returnparams));
1394             $url = new moodle_url('/mod/assign/view.php', $urlparams);
1395             $link = $this->output->action_link($url, $icon);
1396             $separator = $this->output->spacer(array(), true);
1397         }
1399         return $link . $separator . $summary;
1400     }
1403     /**
1404      * Format the submission and feedback columns.
1405      *
1406      * @param string $colname The column name
1407      * @param stdClass $row The submission row
1408      * @return mixed string or NULL
1409      */
1410     public function other_cols($colname, $row) {
1411         // For extra user fields the result is already in $row.
1412         if (empty($this->plugincache[$colname])) {
1413             return $row->$colname;
1414         }
1416         // This must be a plugin field.
1417         $plugincache = $this->plugincache[$colname];
1419         $plugin = $plugincache[0];
1421         $field = null;
1422         if (isset($plugincache[1])) {
1423             $field = $plugincache[1];
1424         }
1426         if ($plugin->is_visible() && $plugin->is_enabled()) {
1427             if ($plugin->get_subtype() == 'assignsubmission') {
1428                 if ($this->assignment->get_instance()->teamsubmission) {
1429                     $group = false;
1430                     $submission = false;
1432                     $this->get_group_and_submission($row->id, $group, $submission, -1);
1433                     if ($submission) {
1434                         if ($submission->status == ASSIGN_SUBMISSION_STATUS_REOPENED) {
1435                             // For a newly reopened submission - we want to show the previous submission in the table.
1436                             $this->get_group_and_submission($row->id, $group, $submission, $submission->attemptnumber-1);
1437                         }
1438                         if (isset($field)) {
1439                             return $plugin->get_editor_text($field, $submission->id);
1440                         }
1441                         return $this->format_plugin_summary_with_link($plugin,
1442                                                                       $submission,
1443                                                                       'grading',
1444                                                                       array());
1445                     }
1446                 } else if ($row->submissionid) {
1447                     if ($row->status == ASSIGN_SUBMISSION_STATUS_REOPENED) {
1448                         // For a newly reopened submission - we want to show the previous submission in the table.
1449                         $submission = $this->assignment->get_user_submission($row->userid, false, $row->attemptnumber - 1);
1450                     } else {
1451                         $submission = new stdClass();
1452                         $submission->id = $row->submissionid;
1453                         $submission->timecreated = $row->firstsubmission;
1454                         $submission->timemodified = $row->timesubmitted;
1455                         $submission->assignment = $this->assignment->get_instance()->id;
1456                         $submission->userid = $row->userid;
1457                         $submission->attemptnumber = $row->attemptnumber;
1458                     }
1459                     // Field is used for only for import/export and refers the the fieldname for the text editor.
1460                     if (isset($field)) {
1461                         return $plugin->get_editor_text($field, $submission->id);
1462                     }
1463                     return $this->format_plugin_summary_with_link($plugin,
1464                                                                   $submission,
1465                                                                   'grading',
1466                                                                   array());
1467                 }
1468             } else {
1469                 $grade = null;
1470                 if (isset($field)) {
1471                     return $plugin->get_editor_text($field, $row->gradeid);
1472                 }
1474                 if ($row->gradeid) {
1475                     $grade = new stdClass();
1476                     $grade->id = $row->gradeid;
1477                     $grade->timecreated = $row->firstmarked;
1478                     $grade->timemodified = $row->timemarked;
1479                     $grade->assignment = $this->assignment->get_instance()->id;
1480                     $grade->userid = $row->userid;
1481                     $grade->grade = $row->grade;
1482                     $grade->mailed = $row->mailed;
1483                     $grade->attemptnumber = $row->attemptnumber;
1484                 }
1485                 if ($this->quickgrading && $plugin->supports_quickgrading()) {
1486                     return $plugin->get_quickgrading_html($row->userid, $grade);
1487                 } else if ($grade) {
1488                     return $this->format_plugin_summary_with_link($plugin,
1489                                                                   $grade,
1490                                                                   'grading',
1491                                                                   array());
1492                 }
1493             }
1494         }
1495         return '';
1496     }
1498     /**
1499      * Using the current filtering and sorting - load all rows and return a single column from them.
1500      *
1501      * @param string $columnname The name of the raw column data
1502      * @return array of data
1503      */
1504     public function get_column_data($columnname) {
1505         $this->setup();
1506         $this->currpage = 0;
1507         $this->query_db($this->tablemaxrows);
1508         $result = array();
1509         foreach ($this->rawdata as $row) {
1510             $result[] = $row->$columnname;
1511         }
1512         return $result;
1513     }
1515     /**
1516      * Return things to the renderer.
1517      *
1518      * @return string the assignment name
1519      */
1520     public function get_assignment_name() {
1521         return $this->assignment->get_instance()->name;
1522     }
1524     /**
1525      * Return things to the renderer.
1526      *
1527      * @return int the course module id
1528      */
1529     public function get_course_module_id() {
1530         return $this->assignment->get_course_module()->id;
1531     }
1533     /**
1534      * Return things to the renderer.
1535      *
1536      * @return int the course id
1537      */
1538     public function get_course_id() {
1539         return $this->assignment->get_course()->id;
1540     }
1542     /**
1543      * Return things to the renderer.
1544      *
1545      * @return stdClass The course context
1546      */
1547     public function get_course_context() {
1548         return $this->assignment->get_course_context();
1549     }
1551     /**
1552      * Return things to the renderer.
1553      *
1554      * @return bool Does this assignment accept submissions
1555      */
1556     public function submissions_enabled() {
1557         return $this->assignment->is_any_submission_plugin_enabled();
1558     }
1560     /**
1561      * Return things to the renderer.
1562      *
1563      * @return bool Can this user view all grades (the gradebook)
1564      */
1565     public function can_view_all_grades() {
1566         $context = $this->assignment->get_course_context();
1567         return has_capability('gradereport/grader:view', $context) &&
1568                has_capability('moodle/grade:viewall', $context);
1569     }
1571     /**
1572      * Always return a valid sort - even if the userid column is missing.
1573      * @return array column name => SORT_... constant.
1574      */
1575     public function get_sort_columns() {
1576         $result = parent::get_sort_columns();
1578         $assignment = $this->assignment->get_instance();
1579         if (empty($assignment->blindmarking)) {
1580             $result = array_merge($result, array('userid' => SORT_ASC));
1581         } else {
1582             $result = array_merge($result, [
1583                     'COALESCE(s.timecreated, '  . time()        . ')'   => SORT_ASC,
1584                     'COALESCE(s.id, '           . PHP_INT_MAX   . ')'   => SORT_ASC,
1585                     'um.id'                                             => SORT_ASC,
1586                 ]);
1587         }
1588         return $result;
1589     }
1591     /**
1592      * Override the table show_hide_link to not show for select column.
1593      *
1594      * @param string $column the column name, index into various names.
1595      * @param int $index numerical index of the column.
1596      * @return string HTML fragment.
1597      */
1598     protected function show_hide_link($column, $index) {
1599         if ($index > 0 || !$this->hasgrade) {
1600             return parent::show_hide_link($column, $index);
1601         }
1602         return '';
1603     }
1605     /**
1606      * Overides setup to ensure it will only run a single time.
1607      */
1608     public function setup() {
1609         // Check if the setup function has been called before, we should not run it twice.
1610         // If we do the sortorder of the table will be broken.
1611         if (!empty($this->setup)) {
1612             return;
1613         }
1614         parent::setup();
1615     }