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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/>. 16 17 /** 18 * Definition of the grader report class 19 * 20 * @package gradereport_grader 21 * @copyright 2007 Nicolas Connault 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 require_once($CFG->dirroot . '/grade/report/lib.php'); 26 require_once($CFG->libdir.'/tablelib.php'); 27 28 /** 29 * Class providing an API for the grader report building and displaying. 30 * @uses grade_report 31 * @copyright 2007 Nicolas Connault 32 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 33 */ 34 class grade_report_grader extends grade_report { 35 /** 36 * The final grades. 37 * @var array $grades 38 */ 39 public $grades; 40 41 /** 42 * Contains all the grades for the course - even the ones not displayed in the grade tree. 43 * 44 * @var array $allgrades 45 */ 46 private $allgrades; 47 48 /** 49 * Array of errors for bulk grades updating. 50 * @var array $gradeserror 51 */ 52 public $gradeserror = array(); 53 54 // SQL-RELATED 55 56 /** 57 * The id of the grade_item by which this report will be sorted. 58 * @var int $sortitemid 59 */ 60 public $sortitemid; 61 62 /** 63 * Sortorder used in the SQL selections. 64 * @var int $sortorder 65 */ 66 public $sortorder; 67 68 /** 69 * An SQL fragment affecting the search for users. 70 * @var string $userselect 71 */ 72 public $userselect; 73 74 /** 75 * The bound params for $userselect 76 * @var array $userselectparams 77 */ 78 public $userselectparams = array(); 79 80 /** 81 * List of collapsed categories from user preference 82 * @var array $collapsed 83 */ 84 public $collapsed; 85 86 /** 87 * A count of the rows, used for css classes. 88 * @var int $rowcount 89 */ 90 public $rowcount = 0; 91 92 /** 93 * Capability check caching 94 * @var boolean $canviewhidden 95 */ 96 public $canviewhidden; 97 98 /** 99 * Length at which feedback will be truncated (to the nearest word) and an ellipsis be added. 100 * TODO replace this by a report preference 101 * @var int $feedback_trunc_length 102 */ 103 protected $feedback_trunc_length = 50; 104 105 /** 106 * Allow category grade overriding 107 * @var bool $overridecat 108 */ 109 protected $overridecat; 110 111 /** 112 * Constructor. Sets local copies of user preferences and initialises grade_tree. 113 * @param int $courseid 114 * @param object $gpr grade plugin return tracking object 115 * @param string $context 116 * @param int $page The current page being viewed (when report is paged) 117 * @param int $sortitemid The id of the grade_item by which to sort the table 118 */ 119 public function __construct($courseid, $gpr, $context, $page=null, $sortitemid=null) { 120 global $CFG; 121 parent::__construct($courseid, $gpr, $context, $page); 122 123 $this->canviewhidden = has_capability('moodle/grade:viewhidden', context_course::instance($this->course->id)); 124 125 // load collapsed settings for this report 126 $this->collapsed = static::get_collapsed_preferences($this->course->id); 127 128 if (empty($CFG->enableoutcomes)) { 129 $nooutcomes = false; 130 } else { 131 $nooutcomes = get_user_preferences('grade_report_shownooutcomes'); 132 } 133 134 // if user report preference set or site report setting set use it, otherwise use course or site setting 135 $switch = $this->get_pref('aggregationposition'); 136 if ($switch == '') { 137 $switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition); 138 } 139 140 // Grab the grade_tree for this course 141 $this->gtree = new grade_tree($this->courseid, true, $switch, $this->collapsed, $nooutcomes); 142 143 $this->sortitemid = $sortitemid; 144 145 // base url for sorting by first/last name 146 147 $this->baseurl = new moodle_url('index.php', array('id' => $this->courseid)); 148 149 $studentsperpage = $this->get_students_per_page(); 150 if (!empty($this->page) && !empty($studentsperpage)) { 151 $this->baseurl->params(array('perpage' => $studentsperpage, 'page' => $this->page)); 152 } 153 154 $this->pbarurl = new moodle_url('/grade/report/grader/index.php', array('id' => $this->courseid)); 155 156 $this->setup_groups(); 157 $this->setup_users(); 158 $this->setup_sortitemid(); 159 160 $this->overridecat = (bool)get_config('moodle', 'grade_overridecat'); 161 } 162 163 /** 164 * Processes the data sent by the form (grades and feedbacks). 165 * Caller is responsible for all access control checks 166 * @param array $data form submission (with magic quotes) 167 * @return array empty array if success, array of warnings if something fails. 168 */ 169 public function process_data($data) { 170 global $DB; 171 $warnings = array(); 172 173 $separategroups = false; 174 $mygroups = array(); 175 if ($this->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $this->context)) { 176 $separategroups = true; 177 $mygroups = groups_get_user_groups($this->course->id); 178 $mygroups = $mygroups[0]; // ignore groupings 179 // reorder the groups fro better perf below 180 $current = array_search($this->currentgroup, $mygroups); 181 if ($current !== false) { 182 unset($mygroups[$current]); 183 array_unshift($mygroups, $this->currentgroup); 184 } 185 } 186 187 // always initialize all arrays 188 $queue = array(); 189 190 $this->load_users(); 191 $this->load_final_grades(); 192 193 // Were any changes made? 194 $changedgrades = false; 195 $timepageload = clean_param($data->timepageload, PARAM_INT); 196 197 foreach ($data as $varname => $students) { 198 199 $needsupdate = false; 200 201 // skip, not a grade nor feedback 202 if (strpos($varname, 'grade') === 0) { 203 $datatype = 'grade'; 204 } else if (strpos($varname, 'feedback') === 0) { 205 $datatype = 'feedback'; 206 } else { 207 continue; 208 } 209 210 foreach ($students as $userid => $items) { 211 $userid = clean_param($userid, PARAM_INT); 212 foreach ($items as $itemid => $postedvalue) { 213 $itemid = clean_param($itemid, PARAM_INT); 214 215 // Was change requested? 216 $oldvalue = $this->grades[$userid][$itemid]; 217 if ($datatype === 'grade') { 218 // If there was no grade and there still isn't 219 if (is_null($oldvalue->finalgrade) && $postedvalue == -1) { 220 // -1 means no grade 221 continue; 222 } 223 224 // If the grade item uses a custom scale 225 if (!empty($oldvalue->grade_item->scaleid)) { 226 227 if ((int)$oldvalue->finalgrade === (int)$postedvalue) { 228 continue; 229 } 230 } else { 231 // The grade item uses a numeric scale 232 233 // Format the finalgrade from the DB so that it matches the grade from the client 234 if ($postedvalue === format_float($oldvalue->finalgrade, $oldvalue->grade_item->get_decimals())) { 235 continue; 236 } 237 } 238 239 $changedgrades = true; 240 241 } else if ($datatype === 'feedback') { 242 // If quick grading is on, feedback needs to be compared without line breaks. 243 if ($this->get_pref('quickgrading')) { 244 $oldvalue->feedback = preg_replace("/\r\n|\r|\n/", "", $oldvalue->feedback); 245 } 246 if (($oldvalue->feedback === $postedvalue) or ($oldvalue->feedback === null and empty($postedvalue))) { 247 continue; 248 } 249 } 250 251 if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { 252 print_error('invalidgradeitemid'); 253 } 254 255 // Pre-process grade 256 if ($datatype == 'grade') { 257 $feedback = false; 258 $feedbackformat = false; 259 if ($gradeitem->gradetype == GRADE_TYPE_SCALE) { 260 if ($postedvalue == -1) { // -1 means no grade 261 $finalgrade = null; 262 } else { 263 $finalgrade = $postedvalue; 264 } 265 } else { 266 $finalgrade = unformat_float($postedvalue); 267 } 268 269 $errorstr = ''; 270 $skip = false; 271 272 $dategraded = $oldvalue->get_dategraded(); 273 if (!empty($dategraded) && $timepageload < $dategraded) { 274 // Warn if the grade was updated while we were editing this form. 275 $errorstr = 'gradewasmodifiedduringediting'; 276 $skip = true; 277 } else if (!is_null($finalgrade)) { 278 // Warn if the grade is out of bounds. 279 $bounded = $gradeitem->bounded_grade($finalgrade); 280 if ($bounded > $finalgrade) { 281 $errorstr = 'lessthanmin'; 282 } else if ($bounded < $finalgrade) { 283 $errorstr = 'morethanmax'; 284 } 285 } 286 287 if ($errorstr) { 288 $userfields = 'id, ' . get_all_user_name_fields(true); 289 $user = $DB->get_record('user', array('id' => $userid), $userfields); 290 $gradestr = new stdClass(); 291 $gradestr->username = fullname($user); 292 $gradestr->itemname = $gradeitem->get_name(); 293 $warnings[] = get_string($errorstr, 'grades', $gradestr); 294 if ($skip) { 295 // Skipping the update of this grade it failed the tests above. 296 continue; 297 } 298 } 299 300 } else if ($datatype == 'feedback') { 301 $finalgrade = false; 302 $trimmed = trim($postedvalue); 303 if (empty($trimmed)) { 304 $feedback = null; 305 } else { 306 $feedback = $postedvalue; 307 } 308 } 309 310 // group access control 311 if ($separategroups) { 312 // note: we can not use $this->currentgroup because it would fail badly 313 // when having two browser windows each with different group 314 $sharinggroup = false; 315 foreach ($mygroups as $groupid) { 316 if (groups_is_member($groupid, $userid)) { 317 $sharinggroup = true; 318 break; 319 } 320 } 321 if (!$sharinggroup) { 322 // either group membership changed or somebody is hacking grades of other group 323 $warnings[] = get_string('errorsavegrade', 'grades'); 324 continue; 325 } 326 } 327 328 $gradeitem->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE); 329 330 // We can update feedback without reloading the grade item as it doesn't affect grade calculations 331 if ($datatype === 'feedback') { 332 $this->grades[$userid][$itemid]->feedback = $feedback; 333 } 334 } 335 } 336 } 337 338 if ($changedgrades) { 339 // If a final grade was overriden reload grades so dependent grades like course total will be correct 340 $this->grades = null; 341 } 342 343 return $warnings; 344 } 345 346 347 /** 348 * Setting the sort order, this depends on last state 349 * all this should be in the new table class that we might need to use 350 * for displaying grades. 351 */ 352 private function setup_sortitemid() { 353 354 global $SESSION; 355 356 if (!isset($SESSION->gradeuserreport)) { 357 $SESSION->gradeuserreport = new stdClass(); 358 } 359 360 if ($this->sortitemid) { 361 if (!isset($SESSION->gradeuserreport->sort)) { 362 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') { 363 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC'; 364 } else { 365 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC'; 366 } 367 } else { 368 // this is the first sort, i.e. by last name 369 if (!isset($SESSION->gradeuserreport->sortitemid)) { 370 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') { 371 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC'; 372 } else { 373 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC'; 374 } 375 } else if ($SESSION->gradeuserreport->sortitemid == $this->sortitemid) { 376 // same as last sort 377 if ($SESSION->gradeuserreport->sort == 'ASC') { 378 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC'; 379 } else { 380 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC'; 381 } 382 } else { 383 if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') { 384 $this->sortorder = $SESSION->gradeuserreport->sort = 'ASC'; 385 } else { 386 $this->sortorder = $SESSION->gradeuserreport->sort = 'DESC'; 387 } 388 } 389 } 390 $SESSION->gradeuserreport->sortitemid = $this->sortitemid; 391 } else { 392 // not requesting sort, use last setting (for paging) 393 394 if (isset($SESSION->gradeuserreport->sortitemid)) { 395 $this->sortitemid = $SESSION->gradeuserreport->sortitemid; 396 } else { 397 $this->sortitemid = 'lastname'; 398 } 399 400 if (isset($SESSION->gradeuserreport->sort)) { 401 $this->sortorder = $SESSION->gradeuserreport->sort; 402 } else { 403 $this->sortorder = 'ASC'; 404 } 405 } 406 } 407 408 /** 409 * pulls out the userids of the users to be display, and sorts them 410 */ 411 public function load_users() { 412 global $CFG, $DB; 413 414 if (!empty($this->users)) { 415 return; 416 } 417 $this->setup_users(); 418 419 // Limit to users with a gradeable role. 420 list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0'); 421 422 // Check the status of showing only active enrolments. 423 $coursecontext = $this->context->get_course_context(true); 424 $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol); 425 $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol); 426 $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext); 427 428 // Limit to users with an active enrollment. 429 list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context, '', 0, $showonlyactiveenrol); 430 431 // Fields we need from the user table. 432 $userfields = user_picture::fields('u', get_extra_user_fields($this->context)); 433 434 // We want to query both the current context and parent contexts. 435 list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx'); 436 437 // If the user has clicked one of the sort asc/desc arrows. 438 if (is_numeric($this->sortitemid)) { 439 $params = array_merge(array('gitemid' => $this->sortitemid), $gradebookrolesparams, $this->userwheresql_params, 440 $this->groupwheresql_params, $enrolledparams, $relatedctxparams); 441 442 $sortjoin = "LEFT JOIN {grade_grades} g ON g.userid = u.id AND g.itemid = $this->sortitemid"; 443 $sort = "g.finalgrade $this->sortorder"; 444 } else { 445 $sortjoin = ''; 446 switch($this->sortitemid) { 447 case 'lastname': 448 $sort = "u.lastname $this->sortorder, u.firstname $this->sortorder"; 449 break; 450 case 'firstname': 451 $sort = "u.firstname $this->sortorder, u.lastname $this->sortorder"; 452 break; 453 case 'email': 454 $sort = "u.email $this->sortorder"; 455 break; 456 case 'idnumber': 457 default: 458 $sort = "u.idnumber $this->sortorder"; 459 break; 460 } 461 462 $params = array_merge($gradebookrolesparams, $this->userwheresql_params, $this->groupwheresql_params, $enrolledparams, $relatedctxparams); 463 } 464 465 $sql = "SELECT $userfields 466 FROM {user} u 467 JOIN ($enrolledsql) je ON je.id = u.id 468 $this->groupsql 469 $sortjoin 470 JOIN ( 471 SELECT DISTINCT ra.userid 472 FROM {role_assignments} ra 473 WHERE ra.roleid IN ($this->gradebookroles) 474 AND ra.contextid $relatedctxsql 475 ) rainner ON rainner.userid = u.id 476 AND u.deleted = 0 477 $this->userwheresql 478 $this->groupwheresql 479 ORDER BY $sort"; 480 $studentsperpage = $this->get_students_per_page(); 481 $this->users = $DB->get_records_sql($sql, $params, $studentsperpage * $this->page, $studentsperpage); 482 483 if (empty($this->users)) { 484 $this->userselect = ''; 485 $this->users = array(); 486 $this->userselect_params = array(); 487 } else { 488 list($usql, $uparams) = $DB->get_in_or_equal(array_keys($this->users), SQL_PARAMS_NAMED, 'usid0'); 489 $this->userselect = "AND g.userid $usql"; 490 $this->userselect_params = $uparams; 491 492 // First flag everyone as not suspended. 493 foreach ($this->users as $user) { 494 $this->users[$user->id]->suspendedenrolment = false; 495 } 496 497 // If we want to mix both suspended and not suspended users, let's find out who is suspended. 498 if (!$showonlyactiveenrol) { 499 $sql = "SELECT ue.userid 500 FROM {user_enrolments} ue 501 JOIN {enrol} e ON e.id = ue.enrolid 502 WHERE ue.userid $usql 503 AND ue.status = :uestatus 504 AND e.status = :estatus 505 AND e.courseid = :courseid 506 AND ue.timestart < :now1 AND (ue.timeend = 0 OR ue.timeend > :now2) 507 GROUP BY ue.userid"; 508 509 $time = time(); 510 $params = array_merge($uparams, array('estatus' => ENROL_INSTANCE_ENABLED, 'uestatus' => ENROL_USER_ACTIVE, 511 'courseid' => $coursecontext->instanceid, 'now1' => $time, 'now2' => $time)); 512 $useractiveenrolments = $DB->get_records_sql($sql, $params); 513 514 foreach ($this->users as $user) { 515 $this->users[$user->id]->suspendedenrolment = !array_key_exists($user->id, $useractiveenrolments); 516 } 517 } 518 } 519 return $this->users; 520 } 521 522 /** 523 * we supply the userids in this query, and get all the grades 524 * pulls out all the grades, this does not need to worry about paging 525 */ 526 public function load_final_grades() { 527 global $CFG, $DB; 528 529 if (!empty($this->grades)) { 530 return; 531 } 532 533 if (empty($this->users)) { 534 return; 535 } 536 537 // please note that we must fetch all grade_grades fields if we want to construct grade_grade object from it! 538 $params = array_merge(array('courseid'=>$this->courseid), $this->userselect_params); 539 $sql = "SELECT g.* 540 FROM {grade_items} gi, 541 {grade_grades} g 542 WHERE g.itemid = gi.id AND gi.courseid = :courseid {$this->userselect}"; 543 544 $userids = array_keys($this->users); 545 546 if ($grades = $DB->get_records_sql($sql, $params)) { 547 foreach ($grades as $graderec) { 548 $grade = new grade_grade($graderec, false); 549 $this->allgrades[$graderec->userid][$graderec->itemid] = $grade; 550 if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->get_items())) { // some items may not be present!! 551 $this->grades[$graderec->userid][$graderec->itemid] = $grade; 552 $this->grades[$graderec->userid][$graderec->itemid]->grade_item = $this->gtree->get_item($graderec->itemid); // db caching 553 } 554 } 555 } 556 557 // prefil grades that do not exist yet 558 foreach ($userids as $userid) { 559 foreach ($this->gtree->get_items() as $itemid => $unused) { 560 if (!isset($this->grades[$userid][$itemid])) { 561 $this->grades[$userid][$itemid] = new grade_grade(); 562 $this->grades[$userid][$itemid]->itemid = $itemid; 563 $this->grades[$userid][$itemid]->userid = $userid; 564 $this->grades[$userid][$itemid]->grade_item = $this->gtree->get_item($itemid); // db caching 565 566 $this->allgrades[$userid][$itemid] = $this->grades[$userid][$itemid]; 567 } 568 } 569 } 570 } 571 572 /** 573 * Gets html toggle 574 * @deprecated since Moodle 2.4 as it appears not to be used any more. 575 */ 576 public function get_toggles_html() { 577 throw new coding_exception('get_toggles_html() can not be used any more'); 578 } 579 580 /** 581 * Prints html toggle 582 * @deprecated since 2.4 as it appears not to be used any more. 583 * @param unknown $type 584 */ 585 public function print_toggle($type) { 586 throw new coding_exception('print_toggle() can not be used any more'); 587 } 588 589 /** 590 * Builds and returns the rows that will make up the left part of the grader report 591 * This consists of student names and icons, links to user reports and id numbers, as well 592 * as header cells for these columns. It also includes the fillers required for the 593 * categories displayed on the right side of the report. 594 * @param boolean $displayaverages whether to display average rows in the table 595 * @return array Array of html_table_row objects 596 */ 597 public function get_left_rows($displayaverages) { 598 global $CFG, $USER, $OUTPUT; 599 600 $rows = array(); 601 602 $showuserimage = $this->get_pref('showuserimage'); 603 // FIXME: MDL-52678 This get_capability_info is hacky and we should have an API for inserting grade row links instead. 604 $canseeuserreport = false; 605 $canseesingleview = false; 606 if (get_capability_info('gradereport/'.$CFG->grade_profilereport.':view')) { 607 $canseeuserreport = has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context); 608 } 609 if (get_capability_info('gradereport/singleview:view')) { 610 $canseesingleview = has_all_capabilities(array('gradereport/singleview:view', 'moodle/grade:viewall', 611 'moodle/grade:edit'), $this->context); 612 } 613 $hasuserreportcell = $canseeuserreport || $canseesingleview; 614 615 $strfeedback = $this->get_lang_string("feedback"); 616 $strgrade = $this->get_lang_string('grade'); 617 618 $extrafields = get_extra_user_fields($this->context); 619 620 $arrows = $this->get_sort_arrows($extrafields); 621 622 $colspan = 1 + $hasuserreportcell + count($extrafields); 623 624 $levels = count($this->gtree->levels) - 1; 625 626 $fillercell = new html_table_cell(); 627 $fillercell->header = true; 628 $fillercell->attributes['scope'] = 'col'; 629 $fillercell->attributes['class'] = 'cell topleft'; 630 $fillercell->text = html_writer::span(get_string('participants'), 'accesshide'); 631 $fillercell->colspan = $colspan; 632 $fillercell->rowspan = $levels; 633 $row = new html_table_row(array($fillercell)); 634 $rows[] = $row; 635 636 for ($i = 1; $i < $levels; $i++) { 637 $row = new html_table_row(); 638 $rows[] = $row; 639 } 640 641 $headerrow = new html_table_row(); 642 $headerrow->attributes['class'] = 'heading'; 643 644 $studentheader = new html_table_cell(); 645 $studentheader->attributes['class'] = 'header'; 646 $studentheader->scope = 'col'; 647 $studentheader->header = true; 648 $studentheader->id = 'studentheader'; 649 if ($hasuserreportcell) { 650 $studentheader->colspan = 2; 651 } 652 $studentheader->text = $arrows['studentname']; 653 654 $headerrow->cells[] = $studentheader; 655 656 foreach ($extrafields as $field) { 657 $fieldheader = new html_table_cell(); 658 $fieldheader->attributes['class'] = 'header userfield user' . $field; 659 $fieldheader->scope = 'col'; 660 $fieldheader->header = true; 661 $fieldheader->text = $arrows[$field]; 662 663 $headerrow->cells[] = $fieldheader; 664 } 665 666 $rows[] = $headerrow; 667 668 $rows = $this->get_left_icons_row($rows, $colspan); 669 670 $suspendedstring = null; 671 foreach ($this->users as $userid => $user) { 672 $userrow = new html_table_row(); 673 $userrow->id = 'fixed_user_'.$userid; 674 675 $usercell = new html_table_cell(); 676 $usercell->attributes['class'] = 'header user'; 677 678 $usercell->header = true; 679 $usercell->scope = 'row'; 680 681 if ($showuserimage) { 682 $usercell->text = $OUTPUT->user_picture($user, array('visibletoscreenreaders' => false)); 683 } 684 685 $fullname = fullname($user); 686 $usercell->text .= html_writer::link(new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $this->course->id)), $fullname, array( 687 'class' => 'username', 688 )); 689 690 if (!empty($user->suspendedenrolment)) { 691 $usercell->attributes['class'] .= ' usersuspended'; 692 693 //may be lots of suspended users so only get the string once 694 if (empty($suspendedstring)) { 695 $suspendedstring = get_string('userenrolmentsuspended', 'grades'); 696 } 697 $usercell->text .= html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/enrolmentsuspended'), 'title'=>$suspendedstring, 698 'alt'=>$suspendedstring, 'class'=>'usersuspendedicon')); 699 } 700 701 $userrow->cells[] = $usercell; 702 703 $userreportcell = new html_table_cell(); 704 $userreportcell->attributes['class'] = 'userreport'; 705 $userreportcell->header = false; 706 if ($canseeuserreport) { 707 $a = new stdClass(); 708 $a->user = $fullname; 709 $strgradesforuser = get_string('gradesforuser', 'grades', $a); 710 $url = new moodle_url('/grade/report/'.$CFG->grade_profilereport.'/index.php', array('userid' => $user->id, 'id' => $this->course->id)); 711 $userreportcell->text .= $OUTPUT->action_icon($url, new pix_icon('t/grades', $strgradesforuser)); 712 } 713 714 if ($canseesingleview) { 715 $url = new moodle_url('/grade/report/singleview/index.php', array('id' => $this->course->id, 'itemid' => $user->id, 'item' => 'user')); 716 $singleview = $OUTPUT->action_icon($url, new pix_icon('t/editstring', get_string('singleview', 'grades', $fullname))); 717 $userreportcell->text .= $singleview; 718 } 719 720 if ($userreportcell->text) { 721 $userrow->cells[] = $userreportcell; 722 } 723 724 foreach ($extrafields as $field) { 725 $fieldcell = new html_table_cell(); 726 $fieldcell->attributes['class'] = 'userfield user' . $field; 727 $fieldcell->header = false; 728 $fieldcell->text = $user->{$field}; 729 $userrow->cells[] = $fieldcell; 730 } 731 732 $userrow->attributes['data-uid'] = $userid; 733 $rows[] = $userrow; 734 } 735 736 $rows = $this->get_left_range_row($rows, $colspan); 737 if ($displayaverages) { 738 $rows = $this->get_left_avg_row($rows, $colspan, true); 739 $rows = $this->get_left_avg_row($rows, $colspan); 740 } 741 742 return $rows; 743 } 744 745 /** 746 * Builds and returns the rows that will make up the right part of the grader report 747 * @param boolean $displayaverages whether to display average rows in the table 748 * @return array Array of html_table_row objects 749 */ 750 public function get_right_rows($displayaverages) { 751 global $CFG, $USER, $OUTPUT, $DB, $PAGE; 752 753 $rows = array(); 754 $this->rowcount = 0; 755 $numrows = count($this->gtree->get_levels()); 756 $numusers = count($this->users); 757 $gradetabindex = 1; 758 $columnstounset = array(); 759 $strgrade = $this->get_lang_string('grade'); 760 $strfeedback = $this->get_lang_string("feedback"); 761 $arrows = $this->get_sort_arrows(); 762 763 $jsarguments = array( 764 'cfg' => array('ajaxenabled'=>false), 765 'items' => array(), 766 'users' => array(), 767 'feedback' => array(), 768 'grades' => array() 769 ); 770 $jsscales = array(); 771 772 // Get preferences once. 773 $showactivityicons = $this->get_pref('showactivityicons'); 774 $quickgrading = $this->get_pref('quickgrading'); 775 $showquickfeedback = $this->get_pref('showquickfeedback'); 776 $enableajax = $this->get_pref('enableajax'); 777 $showanalysisicon = $this->get_pref('showanalysisicon'); 778 779 // Get strings which are re-used inside the loop. 780 $strftimedatetimeshort = get_string('strftimedatetimeshort'); 781 $strexcludedgrades = get_string('excluded', 'grades'); 782 $strerror = get_string('error'); 783 784 foreach ($this->gtree->get_levels() as $key => $row) { 785 $headingrow = new html_table_row(); 786 $headingrow->attributes['class'] = 'heading_name_row'; 787 788 foreach ($row as $columnkey => $element) { 789 $sortlink = clone($this->baseurl); 790 if (isset($element['object']->id)) { 791 $sortlink->param('sortitemid', $element['object']->id); 792 } 793 794 $eid = $element['eid']; 795 $object = $element['object']; 796 $type = $element['type']; 797 $categorystate = @$element['categorystate']; 798 799 if (!empty($element['colspan'])) { 800 $colspan = $element['colspan']; 801 } else { 802 $colspan = 1; 803 } 804 805 if (!empty($element['depth'])) { 806 $catlevel = 'catlevel'.$element['depth']; 807 } else { 808 $catlevel = ''; 809 } 810 811 // Element is a filler 812 if ($type == 'filler' or $type == 'fillerfirst' or $type == 'fillerlast') { 813 $fillercell = new html_table_cell(); 814 $fillercell->attributes['class'] = $type . ' ' . $catlevel; 815 $fillercell->colspan = $colspan; 816 $fillercell->text = ' '; 817 818 // This is a filler cell; don't use a <th>, it'll confuse screen readers. 819 $fillercell->header = false; 820 $headingrow->cells[] = $fillercell; 821 } else if ($type == 'category') { 822 // Make sure the grade category has a grade total or at least has child grade items. 823 if (grade_tree::can_output_item($element)) { 824 // Element is a category. 825 $categorycell = new html_table_cell(); 826 $categorycell->attributes['class'] = 'category ' . $catlevel; 827 $categorycell->colspan = $colspan; 828 $categorycell->text = $this->get_course_header($element); 829 $categorycell->header = true; 830 $categorycell->scope = 'col'; 831 832 // Print icons. 833 if ($USER->gradeediting[$this->courseid]) { 834 $categorycell->text .= $this->get_icons($element); 835 } 836 837 $headingrow->cells[] = $categorycell; 838 } 839 } else { 840 // Element is a grade_item 841 if ($element['object']->id == $this->sortitemid) { 842 if ($this->sortorder == 'ASC') { 843 $arrow = $this->get_sort_arrow('up', $sortlink); 844 } else { 845 $arrow = $this->get_sort_arrow('down', $sortlink); 846 } 847 } else { 848 $arrow = $this->get_sort_arrow('move', $sortlink); 849 } 850 851 $headerlink = $this->gtree->get_element_header($element, true, $showactivityicons, false, false, true); 852 853 $itemcell = new html_table_cell(); 854 $itemcell->attributes['class'] = $type . ' ' . $catlevel . ' highlightable'. ' i'. $element['object']->id; 855 $itemcell->attributes['data-itemid'] = $element['object']->id; 856 857 if ($element['object']->is_hidden()) { 858 $itemcell->attributes['class'] .= ' dimmed_text'; 859 } 860 861 $singleview = ''; 862 863 // FIXME: MDL-52678 This is extremely hacky we should have an API for inserting grade column links. 864 if (get_capability_info('gradereport/singleview:view')) { 865 if (has_all_capabilities(array('gradereport/singleview:view', 'moodle/grade:viewall', 866 'moodle/grade:edit'), $this->context)) { 867 868 $url = new moodle_url('/grade/report/singleview/index.php', array( 869 'id' => $this->course->id, 870 'item' => 'grade', 871 'itemid' => $element['object']->id)); 872 $singleview = $OUTPUT->action_icon( 873 $url, 874 new pix_icon('t/editstring', get_string('singleview', 'grades', $element['object']->get_name())) 875 ); 876 } 877 } 878 879 $itemcell->colspan = $colspan; 880 $itemcell->text = shorten_text($headerlink) . $arrow . $singleview; 881 $itemcell->header = true; 882 $itemcell->scope = 'col'; 883 884 $headingrow->cells[] = $itemcell; 885 } 886 } 887 $rows[] = $headingrow; 888 } 889 890 $rows = $this->get_right_icons_row($rows); 891 892 // Preload scale objects for items with a scaleid and initialize tab indices 893 $scaleslist = array(); 894 $tabindices = array(); 895 896 foreach ($this->gtree->get_items() as $itemid => $item) { 897 $scale = null; 898 if (!empty($item->scaleid)) { 899 $scaleslist[] = $item->scaleid; 900 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'scale', 'scale'=>$item->scaleid, 'decimals'=>$item->get_decimals()); 901 } else { 902 $jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'value', 'scale'=>false, 'decimals'=>$item->get_decimals()); 903 } 904 $tabindices[$item->id]['grade'] = $gradetabindex; 905 $tabindices[$item->id]['feedback'] = $gradetabindex + $numusers; 906 $gradetabindex += $numusers * 2; 907 } 908 $scalesarray = array(); 909 910 if (!empty($scaleslist)) { 911 $scalesarray = $DB->get_records_list('scale', 'id', $scaleslist); 912 } 913 $jsscales = $scalesarray; 914 915 // Get all the grade items if the user can not view hidden grade items. 916 // It is possible that the user is simply viewing the 'Course total' by switching to the 'Aggregates only' view 917 // and that this user does not have the ability to view hidden items. In this case we still need to pass all the 918 // grade items (in case one has been hidden) as the course total shown needs to be adjusted for this particular 919 // user. 920 if (!$this->canviewhidden) { 921 $allgradeitems = grade_item::fetch_all(array('courseid' => $this->courseid)); 922 } 923 924 foreach ($this->users as $userid => $user) { 925 926 if ($this->canviewhidden) { 927 $altered = array(); 928 $unknown = array(); 929 } else { 930 $usergrades = $this->allgrades[$userid]; 931 $hidingaffected = grade_grade::get_hiding_affected($usergrades, $allgradeitems); 932 $altered = $hidingaffected['altered']; 933 $unknown = $hidingaffected['unknown']; 934 unset($hidingaffected); 935 } 936 937 $itemrow = new html_table_row(); 938 $itemrow->id = 'user_'.$userid; 939 940 $fullname = fullname($user); 941 $jsarguments['users'][$userid] = $fullname; 942 943 foreach ($this->gtree->items as $itemid => $unused) { 944 $item =& $this->gtree->items[$itemid]; 945 $grade = $this->grades[$userid][$item->id]; 946 947 $itemcell = new html_table_cell(); 948 949 $itemcell->id = 'u'.$userid.'i'.$itemid; 950 $itemcell->attributes['data-itemid'] = $itemid; 951 952 // Get the decimal points preference for this item 953 $decimalpoints = $item->get_decimals(); 954 955 if (in_array($itemid, $unknown)) { 956 $gradeval = null; 957 } else if (array_key_exists($itemid, $altered)) { 958 $gradeval = $altered[$itemid]; 959 } else { 960 $gradeval = $grade->finalgrade; 961 } 962 if (!empty($grade->finalgrade)) { 963 $gradevalforjs = null; 964 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) { 965 $gradevalforjs = (int)$gradeval; 966 } else { 967 $gradevalforjs = format_float($gradeval, $decimalpoints); 968 } 969 $jsarguments['grades'][] = array('user'=>$userid, 'item'=>$itemid, 'grade'=>$gradevalforjs); 970 } 971 972 // MDL-11274 973 // Hide grades in the grader report if the current grader doesn't have 'moodle/grade:viewhidden' 974 if (!$this->canviewhidden and $grade->is_hidden()) { 975 if (!empty($CFG->grade_hiddenasdate) and $grade->get_datesubmitted() and !$item->is_category_item() and !$item->is_course_item()) { 976 // the problem here is that we do not have the time when grade value was modified, 'timemodified' is general modification date for grade_grades records 977 $itemcell->text = "<span class='datesubmitted'>" . 978 userdate($grade->get_datesubmitted(), $strftimedatetimeshort) . "</span>"; 979 } else { 980 $itemcell->text = '-'; 981 } 982 $itemrow->cells[] = $itemcell; 983 continue; 984 } 985 986 // emulate grade element 987 $eid = $this->gtree->get_grade_eid($grade); 988 $element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade'); 989 990 $itemcell->attributes['class'] .= ' grade i'.$itemid; 991 if ($item->is_category_item()) { 992 $itemcell->attributes['class'] .= ' cat'; 993 } 994 if ($item->is_course_item()) { 995 $itemcell->attributes['class'] .= ' course'; 996 } 997 if ($grade->is_overridden()) { 998 $itemcell->attributes['class'] .= ' overridden'; 999 $itemcell->attributes['aria-label'] = get_string('overriddengrade', 'gradereport_grader'); 1000 } 1001 1002 if (!empty($grade->feedback)) { 1003 $feedback = wordwrap(trim(format_string($grade->feedback, $grade->feedbackformat)), 34, '<br>'); 1004 $itemcell->attributes['data-feedback'] = $feedback; 1005 $jsarguments['feedback'][] = array('user'=>$userid, 'item'=>$itemid, 'content' => $feedback); 1006 } 1007 1008 if ($grade->is_excluded()) { 1009 // Adding white spaces before and after to prevent a screenreader from 1010 // thinking that the words are attached to the next/previous <span> or text. 1011 $itemcell->text .= " <span class='excludedfloater'>" . $strexcludedgrades . "</span> "; 1012 } 1013 1014 // Do not show any icons if no grade (no record in DB to match) 1015 if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) { 1016 $itemcell->text .= $this->get_icons($element); 1017 } 1018 1019 $hidden = ''; 1020 if ($grade->is_hidden()) { 1021 $hidden = ' dimmed_text '; 1022 } 1023 1024 $gradepass = ' gradefail '; 1025 if ($grade->is_passed($item)) { 1026 $gradepass = ' gradepass '; 1027 } else if (is_null($grade->is_passed($item))) { 1028 $gradepass = ''; 1029 } 1030 1031 // if in editing mode, we need to print either a text box 1032 // or a drop down (for scales) 1033 // grades in item of type grade category or course are not directly editable 1034 if ($item->needsupdate) { 1035 $itemcell->text .= "<span class='gradingerror{$hidden}'>" . $strerror . "</span>"; 1036 1037 } else if ($USER->gradeediting[$this->courseid]) { 1038 1039 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) { 1040 $itemcell->attributes['class'] .= ' grade_type_scale'; 1041 } else if ($item->gradetype == GRADE_TYPE_VALUE) { 1042 $itemcell->attributes['class'] .= ' grade_type_value'; 1043 } else if ($item->gradetype == GRADE_TYPE_TEXT) { 1044 $itemcell->attributes['class'] .= ' grade_type_text'; 1045 } 1046 1047 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) { 1048 $scale = $scalesarray[$item->scaleid]; 1049 $gradeval = (int)$gradeval; // scales use only integers 1050 $scales = explode(",", $scale->scale); 1051 // reindex because scale is off 1 1052 1053 // MDL-12104 some previous scales might have taken up part of the array 1054 // so this needs to be reset 1055 $scaleopt = array(); 1056 $i = 0; 1057 foreach ($scales as $scaleoption) { 1058 $i++; 1059 $scaleopt[$i] = $scaleoption; 1060 } 1061 1062 if ($quickgrading and $grade->is_editable()) { 1063 $oldval = empty($gradeval) ? -1 : $gradeval; 1064 if (empty($item->outcomeid)) { 1065 $nogradestr = $this->get_lang_string('nograde'); 1066 } else { 1067 $nogradestr = $this->get_lang_string('nooutcome', 'grades'); 1068 } 1069 $attributes = array('tabindex' => $tabindices[$item->id]['grade'], 'id'=>'grade_'.$userid.'_'.$item->id); 1070 $gradelabel = $fullname . ' ' . $item->get_name(true); 1071 $itemcell->text .= html_writer::label( 1072 get_string('useractivitygrade', 'gradereport_grader', $gradelabel), $attributes['id'], false, 1073 array('class' => 'accesshide')); 1074 $itemcell->text .= html_writer::select($scaleopt, 'grade['.$userid.']['.$item->id.']', $gradeval, array(-1=>$nogradestr), $attributes); 1075 } else if (!empty($scale)) { 1076 $scales = explode(",", $scale->scale); 1077 1078 // invalid grade if gradeval < 1 1079 if ($gradeval < 1) { 1080 $itemcell->text .= "<span class='gradevalue{$hidden}{$gradepass}'>-</span>"; 1081 } else { 1082 $gradeval = $grade->grade_item->bounded_grade($gradeval); //just in case somebody changes scale 1083 $itemcell->text .= "<span class='gradevalue{$hidden}{$gradepass}'>{$scales[$gradeval - 1]}</span>"; 1084 } 1085 } 1086 1087 } else if ($item->gradetype != GRADE_TYPE_TEXT) { // Value type 1088 if ($quickgrading and $grade->is_editable()) { 1089 $value = format_float($gradeval, $decimalpoints); 1090 $gradelabel = $fullname . ' ' . $item->get_name(true); 1091 $itemcell->text .= '<label class="accesshide" for="grade_'.$userid.'_'.$item->id.'">' 1092 .get_string('useractivitygrade', 'gradereport_grader', $gradelabel).'</label>'; 1093 $itemcell->text .= '<input size="6" tabindex="' . $tabindices[$item->id]['grade'] 1094 . '" type="text" class="text" title="'. $strgrade .'" name="grade[' 1095 .$userid.'][' .$item->id.']" id="grade_'.$userid.'_'.$item->id.'" value="'.$value.'" />'; 1096 } else { 1097 $itemcell->text .= "<span class='gradevalue{$hidden}{$gradepass}'>" . 1098 format_float($gradeval, $decimalpoints) . "</span>"; 1099 } 1100 } 1101 1102 // If quickfeedback is on, print an input element 1103 if ($showquickfeedback and $grade->is_editable()) { 1104 $feedbacklabel = $fullname . ' ' . $item->get_name(true); 1105 $itemcell->text .= '<label class="accesshide" for="feedback_'.$userid.'_'.$item->id.'">' 1106 .get_string('useractivityfeedback', 'gradereport_grader', $feedbacklabel).'</label>'; 1107 $itemcell->text .= '<input class="quickfeedback" tabindex="' . $tabindices[$item->id]['feedback'].'" id="feedback_'.$userid.'_'.$item->id 1108 . '" size="6" title="' . $strfeedback . '" type="text" name="feedback['.$userid.']['.$item->id.']" value="' . s($grade->feedback) . '" />'; 1109 } 1110 1111 } else { // Not editing 1112 $gradedisplaytype = $item->get_displaytype(); 1113 1114 if ($item->scaleid && !empty($scalesarray[$item->scaleid])) { 1115 $itemcell->attributes['class'] .= ' grade_type_scale'; 1116 } else if ($item->gradetype == GRADE_TYPE_VALUE) { 1117 $itemcell->attributes['class'] .= ' grade_type_value'; 1118 } else if ($item->gradetype == GRADE_TYPE_TEXT) { 1119 $itemcell->attributes['class'] .= ' grade_type_text'; 1120 } 1121 1122 // Only allow edting if the grade is editable (not locked, not in a unoverridable category, etc). 1123 if ($enableajax && $grade->is_editable()) { 1124 // If a grade item is type text, and we don't have show quick feedback on, it can't be edited. 1125 if ($item->gradetype != GRADE_TYPE_TEXT || $showquickfeedback) { 1126 $itemcell->attributes['class'] .= ' clickable'; 1127 } 1128 } 1129 1130 if ($item->needsupdate) { 1131 $itemcell->text .= "<span class='gradingerror{$hidden}{$gradepass}'>" . $error . "</span>"; 1132 } else { 1133 // The max and min for an aggregation may be different to the grade_item. 1134 if (!is_null($gradeval)) { 1135 $item->grademax = $grade->get_grade_max(); 1136 $item->grademin = $grade->get_grade_min(); 1137 } 1138 1139 $itemcell->text .= "<span class='gradevalue{$hidden}{$gradepass}'>" . 1140 grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null) . "</span>"; 1141 if ($showanalysisicon) { 1142 $itemcell->text .= $this->gtree->get_grade_analysis_icon($grade); 1143 } 1144 } 1145 } 1146 1147 // Enable keyboard navigation if the grade is editable (not locked, not in a unoverridable category, etc). 1148 if ($enableajax && $grade->is_editable()) { 1149 // If a grade item is type text, and we don't have show quick feedback on, it can't be edited. 1150 if ($item->gradetype != GRADE_TYPE_TEXT || $showquickfeedback) { 1151 $itemcell->attributes['class'] .= ' gbnavigable'; 1152 } 1153 } 1154 1155 if (!empty($this->gradeserror[$item->id][$userid])) { 1156 $itemcell->text .= $this->gradeserror[$item->id][$userid]; 1157 } 1158 1159 $itemrow->cells[] = $itemcell; 1160 } 1161 $rows[] = $itemrow; 1162 } 1163 1164 if ($enableajax) { 1165 $jsarguments['cfg']['ajaxenabled'] = true; 1166 $jsarguments['cfg']['scales'] = array(); 1167 foreach ($jsscales as $scale) { 1168 // Trim the scale values, as they may have a space that is ommitted from values later. 1169 $jsarguments['cfg']['scales'][$scale->id] = array_map('trim', explode(',', $scale->scale)); 1170 } 1171 $jsarguments['cfg']['feedbacktrunclength'] = $this->feedback_trunc_length; 1172 1173 // Student grades and feedback are already at $jsarguments['feedback'] and $jsarguments['grades'] 1174 } 1175 $jsarguments['cfg']['isediting'] = (bool)$USER->gradeediting[$this->courseid]; 1176 $jsarguments['cfg']['courseid'] = $this->courseid; 1177 $jsarguments['cfg']['studentsperpage'] = $this->get_students_per_page(); 1178 $jsarguments['cfg']['showquickfeedback'] = (bool) $showquickfeedback; 1179 1180 $module = array( 1181 'name' => 'gradereport_grader', 1182 'fullpath' => '/grade/report/grader/module.js', 1183 'requires' => array('base', 'dom', 'event', 'event-mouseenter', 'event-key', 'io-queue', 'json-parse', 'overlay') 1184 ); 1185 $PAGE->requires->js_init_call('M.gradereport_grader.init_report', $jsarguments, false, $module); 1186 $PAGE->requires->strings_for_js(array('addfeedback', 'feedback', 'grade'), 'grades'); 1187 $PAGE->requires->strings_for_js(array('ajaxchoosescale', 'ajaxclicktoclose', 'ajaxerror', 'ajaxfailedupdate', 'ajaxfieldchanged'), 'gradereport_grader'); 1188 if (!$enableajax && $USER->gradeediting[$this->courseid]) { 1189 $PAGE->requires->yui_module('moodle-core-formchangechecker', 1190 'M.core_formchangechecker.init', 1191 array(array( 1192 'formid' => 'gradereport_grader' 1193 )) 1194 ); 1195 $PAGE->requires->string_for_js('changesmadereallygoaway', 'moodle'); 1196 } 1197 1198 $rows = $this->get_right_range_row($rows); 1199 if ($displayaverages) { 1200 $rows = $this->get_right_avg_row($rows, true); 1201 $rows = $this->get_right_avg_row($rows); 1202 } 1203 1204 return $rows; 1205 } 1206 1207 /** 1208 * Depending on the style of report (fixedstudents vs traditional one-table), 1209 * arranges the rows of data in one or two tables, and returns the output of 1210 * these tables in HTML 1211 * @param boolean $displayaverages whether to display average rows in the table 1212 * @return string HTML 1213 */ 1214 public function get_grade_table($displayaverages = false) { 1215 global $OUTPUT; 1216 $leftrows = $this->get_left_rows($displayaverages); 1217 $rightrows = $this->get_right_rows($displayaverages); 1218 1219 $html = ''; 1220 1221 $fulltable = new html_table(); 1222 $fulltable->attributes['class'] = 'gradereport-grader-table'; 1223 $fulltable->id = 'user-grades'; 1224 $fulltable->summary = get_string('summarygrader', 'gradereport_grader'); 1225 1226 // Extract rows from each side (left and right) and collate them into one row each 1227 foreach ($leftrows as $key => $row) { 1228 $row->cells = array_merge($row->cells, $rightrows[$key]->cells); 1229 $fulltable->data[] = $row; 1230 } 1231 $html .= html_writer::table($fulltable); 1232 return $OUTPUT->container($html, 'gradeparent'); 1233 } 1234 1235 /** 1236 * Builds and return the row of icons for the left side of the report. 1237 * It only has one cell that says "Controls" 1238 * @param array $rows The Array of rows for the left part of the report 1239 * @param int $colspan The number of columns this cell has to span 1240 * @return array Array of rows for the left part of the report 1241 */ 1242 public function get_left_icons_row($rows=array(), $colspan=1) { 1243 global $USER; 1244 1245 if ($USER->gradeediting[$this->courseid]) { 1246 $controlsrow = new html_table_row(); 1247 $controlsrow->attributes['class'] = 'controls'; 1248 $controlscell = new html_table_cell(); 1249 $controlscell->attributes['class'] = 'header controls'; 1250 $controlscell->colspan = $colspan; 1251 $controlscell->text = $this->get_lang_string('controls', 'grades'); 1252 1253 $controlsrow->cells[] = $controlscell; 1254 $rows[] = $controlsrow; 1255 } 1256 return $rows; 1257 } 1258 1259 /** 1260 * Builds and return the header for the row of ranges, for the left part of the grader report. 1261 * @param array $rows The Array of rows for the left part of the report 1262 * @param int $colspan The number of columns this cell has to span 1263 * @return array Array of rows for the left part of the report 1264 */ 1265 public function get_left_range_row($rows=array(), $colspan=1) { 1266 global $CFG, $USER; 1267 1268 if ($this->get_pref('showranges')) { 1269 $rangerow = new html_table_row(); 1270 $rangerow->attributes['class'] = 'range r'.$this->rowcount++; 1271 $rangecell = new html_table_cell(); 1272 $rangecell->attributes['class'] = 'header range'; 1273 $rangecell->colspan = $colspan; 1274 $rangecell->header = true; 1275 $rangecell->scope = 'row'; 1276 $rangecell->text = $this->get_lang_string('range', 'grades'); 1277 $rangerow->cells[] = $rangecell; 1278 $rows[] = $rangerow; 1279 } 1280 1281 return $rows; 1282 } 1283 1284 /** 1285 * Builds and return the headers for the rows of averages, for the left part of the grader report. 1286 * @param array $rows The Array of rows for the left part of the report 1287 * @param int $colspan The number of columns this cell has to span 1288 * @param bool $groupavg If true, returns the row for group averages, otherwise for overall averages 1289 * @return array Array of rows for the left part of the report 1290 */ 1291 public function get_left_avg_row($rows=array(), $colspan=1, $groupavg=false) { 1292 if (!$this->canviewhidden) { 1293 // totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered 1294 // better not show them at all if user can not see all hideen grades 1295 return $rows; 1296 } 1297 1298 $showaverages = $this->get_pref('showaverages'); 1299 $showaveragesgroup = $this->currentgroup && $showaverages; 1300 $straveragegroup = get_string('groupavg', 'grades'); 1301 1302 if ($groupavg) { 1303 if ($showaveragesgroup) { 1304 $groupavgrow = new html_table_row(); 1305 $groupavgrow->attributes['class'] = 'groupavg r'.$this->rowcount++; 1306 $groupavgcell = new html_table_cell(); 1307 $groupavgcell->attributes['class'] = 'header range'; 1308 $groupavgcell->colspan = $colspan; 1309 $groupavgcell->header = true; 1310 $groupavgcell->scope = 'row'; 1311 $groupavgcell->text = $straveragegroup; 1312 $groupavgrow->cells[] = $groupavgcell; 1313 $rows[] = $groupavgrow; 1314 } 1315 } else { 1316 $straverage = get_string('overallaverage', 'grades'); 1317 1318 if ($showaverages) { 1319 $avgrow = new html_table_row(); 1320 $avgrow->attributes['class'] = 'avg r'.$this->rowcount++; 1321 $avgcell = new html_table_cell(); 1322 $avgcell->attributes['class'] = 'header range'; 1323 $avgcell->colspan = $colspan; 1324 $avgcell->header = true; 1325 $avgcell->scope = 'row'; 1326 $avgcell->text = $straverage; 1327 $avgrow->cells[] = $avgcell; 1328 $rows[] = $avgrow; 1329 } 1330 } 1331 1332 return $rows; 1333 } 1334 1335 /** 1336 * Builds and return the row of icons when editing is on, for the right part of the grader report. 1337 * @param array $rows The Array of rows for the right part of the report 1338 * @return array Array of rows for the right part of the report 1339 */ 1340 public function get_right_icons_row($rows=array()) { 1341 global $USER; 1342 if ($USER->gradeediting[$this->courseid]) { 1343 $iconsrow = new html_table_row(); 1344 $iconsrow->attributes['class'] = 'controls'; 1345 1346 foreach ($this->gtree->items as $itemid => $unused) { 1347 // emulate grade element 1348 $item = $this->gtree->get_item($itemid); 1349 1350 $eid = $this->gtree->get_item_eid($item); 1351 $element = $this->gtree->locate_element($eid); 1352 $itemcell = new html_table_cell(); 1353 $itemcell->attributes['class'] = 'controls icons i'.$itemid; 1354 $itemcell->text = $this->get_icons($element); 1355 $iconsrow->cells[] = $itemcell; 1356 } 1357 $rows[] = $iconsrow; 1358 } 1359 return $rows; 1360 } 1361 1362 /** 1363 * Builds and return the row of ranges for the right part of the grader report. 1364 * @param array $rows The Array of rows for the right part of the report 1365 * @return array Array of rows for the right part of the report 1366 */ 1367 public function get_right_range_row($rows=array()) { 1368 global $OUTPUT; 1369 1370 if ($this->get_pref('showranges')) { 1371 $rangesdisplaytype = $this->get_pref('rangesdisplaytype'); 1372 $rangesdecimalpoints = $this->get_pref('rangesdecimalpoints'); 1373 $rangerow = new html_table_row(); 1374 $rangerow->attributes['class'] = 'heading range'; 1375 1376 foreach ($this->gtree->items as $itemid => $unused) { 1377 $item =& $this->gtree->items[$itemid]; 1378 $itemcell = new html_table_cell(); 1379 $itemcell->attributes['class'] .= ' range i'. $itemid; 1380 1381 $hidden = ''; 1382 if ($item->is_hidden()) { 1383 $hidden = ' dimmed_text '; 1384 } 1385 1386 $formattedrange = $item->get_formatted_range($rangesdisplaytype, $rangesdecimalpoints); 1387 1388 $itemcell->text = $OUTPUT->container($formattedrange, 'rangevalues'.$hidden); 1389 $rangerow->cells[] = $itemcell; 1390 } 1391 $rows[] = $rangerow; 1392 } 1393 return $rows; 1394 } 1395 1396 /** 1397 * Builds and return the row of averages for the right part of the grader report. 1398 * @param array $rows Whether to return only group averages or all averages. 1399 * @param bool $grouponly Whether to return only group averages or all averages. 1400 * @return array Array of rows for the right part of the report 1401 */ 1402 public function get_right_avg_row($rows=array(), $grouponly=false) { 1403 global $USER, $DB, $OUTPUT, $CFG; 1404 1405 if (!$this->canviewhidden) { 1406 // Totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered 1407 // better not show them at all if user can not see all hidden grades. 1408 return $rows; 1409 } 1410 1411 $averagesdisplaytype = $this->get_pref('averagesdisplaytype'); 1412 $averagesdecimalpoints = $this->get_pref('averagesdecimalpoints'); 1413 $meanselection = $this->get_pref('meanselection'); 1414 $shownumberofgrades = $this->get_pref('shownumberofgrades'); 1415 1416 if ($grouponly) { 1417 $showaverages = $this->currentgroup && $this->get_pref('showaverages'); 1418 $groupsql = $this->groupsql; 1419 $groupwheresql = $this->groupwheresql; 1420 $groupwheresqlparams = $this->groupwheresql_params; 1421 } else { 1422 $showaverages = $this->get_pref('showaverages'); 1423 $groupsql = ""; 1424 $groupwheresql = ""; 1425 $groupwheresqlparams = array(); 1426 } 1427 1428 if ($showaverages) { 1429 $totalcount = $this->get_numusers($grouponly); 1430 1431 // Limit to users with a gradeable role. 1432 list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0'); 1433 1434 // Limit to users with an active enrollment. 1435 $coursecontext = $this->context->get_course_context(true); 1436 $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol); 1437 $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol); 1438 $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext); 1439 list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context, '', 0, $showonlyactiveenrol); 1440 1441 // We want to query both the current context and parent contexts. 1442 list($relatedctxsql, $relatedctxparams) = $DB->get_in_or_equal($this->context->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'relatedctx'); 1443 1444 $params = array_merge(array('courseid' => $this->courseid), $gradebookrolesparams, $enrolledparams, $groupwheresqlparams, $relatedctxparams); 1445 1446 // Find sums of all grade items in course. 1447 $sql = "SELECT g.itemid, SUM(g.finalgrade) AS sum 1448 FROM {grade_items} gi 1449 JOIN {grade_grades} g ON g.itemid = gi.id 1450 JOIN {user} u ON u.id = g.userid 1451 JOIN ($enrolledsql) je ON je.id = u.id 1452 JOIN ( 1453 SELECT DISTINCT ra.userid 1454 FROM {role_assignments} ra 1455 WHERE ra.roleid $gradebookrolessql 1456 AND ra.contextid $relatedctxsql 1457 ) rainner ON rainner.userid = u.id 1458 $groupsql 1459 WHERE gi.courseid = :courseid 1460 AND u.deleted = 0 1461 AND g.finalgrade IS NOT NULL 1462 $groupwheresql 1463 GROUP BY g.itemid"; 1464 $sumarray = array(); 1465 if ($sums = $DB->get_records_sql($sql, $params)) { 1466 foreach ($sums as $itemid => $csum) { 1467 $sumarray[$itemid] = $csum->sum; 1468 } 1469 } 1470 1471 // MDL-10875 Empty grades must be evaluated as grademin, NOT always 0 1472 // This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table) 1473 $sql = "SELECT gi.id, COUNT(DISTINCT u.id) AS count 1474 FROM {grade_items} gi 1475 CROSS JOIN {user} u 1476 JOIN ($enrolledsql) je 1477 ON je.id = u.id 1478 JOIN {role_assignments} ra 1479 ON ra.userid = u.id 1480 LEFT OUTER JOIN {grade_grades} g 1481 ON (g.itemid = gi.id AND g.userid = u.id AND g.finalgrade IS NOT NULL) 1482 $groupsql 1483 WHERE gi.courseid = :courseid 1484 AND ra.roleid $gradebookrolessql 1485 AND ra.contextid $relatedctxsql 1486 AND u.deleted = 0 1487 AND g.id IS NULL 1488 $groupwheresql 1489 GROUP BY gi.id"; 1490 1491 $ungradedcounts = $DB->get_records_sql($sql, $params); 1492 1493 $avgrow = new html_table_row(); 1494 $avgrow->attributes['class'] = 'avg'; 1495 1496 foreach ($this->gtree->items as $itemid => $unused) { 1497 $item =& $this->gtree->items[$itemid]; 1498 1499 if ($item->needsupdate) { 1500 $avgcell = new html_table_cell(); 1501 $avgcell->attributes['class'] = 'i'. $itemid; 1502 $avgcell->text = $OUTPUT->container(get_string('error'), 'gradingerror'); 1503 $avgrow->cells[] = $avgcell; 1504 continue; 1505 } 1506 1507 if (!isset($sumarray[$item->id])) { 1508 $sumarray[$item->id] = 0; 1509 } 1510 1511 if (empty($ungradedcounts[$itemid])) { 1512 $ungradedcount = 0; 1513 } else { 1514 $ungradedcount = $ungradedcounts[$itemid]->count; 1515 } 1516 1517 if ($meanselection == GRADE_REPORT_MEAN_GRADED) { 1518 $meancount = $totalcount - $ungradedcount; 1519 } else { // Bump up the sum by the number of ungraded items * grademin 1520 $sumarray[$item->id] += $ungradedcount * $item->grademin; 1521 $meancount = $totalcount; 1522 } 1523 1524 // Determine which display type to use for this average 1525 if ($USER->gradeediting[$this->courseid]) { 1526 $displaytype = GRADE_DISPLAY_TYPE_REAL; 1527 1528 } else if ($averagesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave the report and user preferences 1529 $displaytype = $item->get_displaytype(); 1530 1531 } else { 1532 $displaytype = $averagesdisplaytype; 1533 } 1534 1535 // Override grade_item setting if a display preference (not inherit) was set for the averages 1536 if ($averagesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) { 1537 $decimalpoints = $item->get_decimals(); 1538 1539 } else { 1540 $decimalpoints = $averagesdecimalpoints; 1541 } 1542 1543 if (!isset($sumarray[$item->id]) || $meancount == 0) { 1544 $avgcell = new html_table_cell(); 1545 $avgcell->attributes['class'] = 'i'. $itemid; 1546 $avgcell->text = '-'; 1547 $avgrow->cells[] = $avgcell; 1548 1549 } else { 1550 $sum = $sumarray[$item->id]; 1551 $avgradeval = $sum/$meancount; 1552 $gradehtml = grade_format_gradevalue($avgradeval, $item, true, $displaytype, $decimalpoints); 1553 1554 $numberofgrades = ''; 1555 if ($shownumberofgrades) { 1556 $numberofgrades = " ($meancount)"; 1557 } 1558 1559 $avgcell = new html_table_cell(); 1560 $avgcell->attributes['class'] = 'i'. $itemid; 1561 $avgcell->text = $gradehtml.$numberofgrades; 1562 $avgrow->cells[] = $avgcell; 1563 } 1564 } 1565 $rows[] = $avgrow; 1566 } 1567 return $rows; 1568 } 1569 1570 /** 1571 * Given element category, create a collapsible icon and 1572 * course header. 1573 * 1574 * @param array $element 1575 * @return string HTML 1576 */ 1577 protected function get_course_header($element) { 1578 global $OUTPUT; 1579 1580 $icon = ''; 1581 // If object is a category, display expand/contract icon. 1582 if ($element['type'] == 'category') { 1583 // Load language strings. 1584 $strswitchminus = $this->get_lang_string('aggregatesonly', 'grades'); 1585 $strswitchplus = $this->get_lang_string('gradesonly', 'grades'); 1586 $strswitchwhole = $this->get_lang_string('fullmode', 'grades'); 1587 1588 $url = new moodle_url($this->gpr->get_return_url(null, array('target' => $element['eid'], 'sesskey' => sesskey()))); 1589 1590 if (in_array($element['object']->id, $this->collapsed['aggregatesonly'])) { 1591 $url->param('action', 'switch_plus'); 1592 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_plus', $strswitchplus), null, null); 1593 $showing = get_string('showingaggregatesonly', 'grades'); 1594 } else if (in_array($element['object']->id, $this->collapsed['gradesonly'])) { 1595 $url->param('action', 'switch_whole'); 1596 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_whole', $strswitchwhole), null, null); 1597 $showing = get_string('showinggradesonly', 'grades'); 1598 } else { 1599 $url->param('action', 'switch_minus'); 1600 $icon = $OUTPUT->action_icon($url, new pix_icon('t/switch_minus', $strswitchminus), null, null); 1601 $showing = get_string('showingfullmode', 'grades'); 1602 } 1603 } 1604 1605 $name = shorten_text($element['object']->get_name()); 1606 $courseheaderid = 'courseheader_' . clean_param($name, PARAM_ALPHANUMEXT); 1607 $courseheader = html_writer::tag('span', $name, array('id' => $courseheaderid)); 1608 $courseheader .= html_writer::label($showing, $courseheaderid, false, array('class' => 'accesshide')); 1609 $courseheader .= $icon; 1610 1611 return $courseheader; 1612 } 1613 1614 /** 1615 * Given a grade_category, grade_item or grade_grade, this function 1616 * figures out the state of the object and builds then returns a div 1617 * with the icons needed for the grader report. 1618 * 1619 * @param array $element 1620 * @return string HTML 1621 */ 1622 protected function get_icons($element) { 1623 global $CFG, $USER, $OUTPUT; 1624 1625 if (!$USER->gradeediting[$this->courseid]) { 1626 return '<div class="grade_icons" />'; 1627 } 1628 1629 // Init all icons 1630 $editicon = ''; 1631 1632 $editable = true; 1633 1634 if ($element['type'] == 'grade') { 1635 $item = $element['object']->grade_item; 1636 if ($item->is_course_item() or $item->is_category_item()) { 1637 $editable = $this->overridecat; 1638 } 1639 } 1640 1641 if ($element['type'] != 'categoryitem' && $element['type'] != 'courseitem' && $editable) { 1642 $editicon = $this->gtree->get_edit_icon($element, $this->gpr); 1643 } 1644 1645 $editcalculationicon = ''; 1646 $showhideicon = ''; 1647 $lockunlockicon = ''; 1648 1649 if (has_capability('moodle/grade:manage', $this->context)) { 1650 if ($this->get_pref('showcalculations')) { 1651 $editcalculationicon = $this->gtree->get_calculation_icon($element, $this->gpr); 1652 } 1653 1654 if ($this->get_pref('showeyecons')) { 1655 $showhideicon = $this->gtree->get_hiding_icon($element, $this->gpr); 1656 } 1657 1658 if ($this->get_pref('showlocks')) { 1659 $lockunlockicon = $this->gtree->get_locking_icon($element, $this->gpr); 1660 } 1661 1662 } 1663 1664 $gradeanalysisicon = ''; 1665 if ($this->get_pref('showanalysisicon') && $element['type'] == 'grade') { 1666 $gradeanalysisicon .= $this->gtree->get_grade_analysis_icon($element['object']); 1667 } 1668 1669 return $OUTPUT->container($editicon.$editcalculationicon.$showhideicon.$lockunlockicon.$gradeanalysisicon, 'grade_icons'); 1670 } 1671 1672 /** 1673 * Given a category element returns collapsing +/- icon if available 1674 * 1675 * @deprecated since Moodle 2.9 MDL-46662 - please do not use this function any more. 1676 */ 1677 protected function get_collapsing_icon($element) { 1678 throw new coding_exception('get_collapsing_icon() can not be used any more, please use get_course_header() instead.'); 1679 } 1680 1681 /** 1682 * Processes a single action against a category, grade_item or grade. 1683 * @param string $target eid ({type}{id}, e.g. c4 for category4) 1684 * @param string $action Which action to take (edit, delete etc...) 1685 * @return 1686 */ 1687 public function process_action($target, $action) { 1688 return self::do_process_action($target, $action, $this->course->id); 1689 } 1690 1691 /** 1692 * From the list of categories that this user prefers to collapse choose ones that belong to the current course. 1693 * 1694 * This function serves two purposes. 1695 * Mainly it helps migrating from user preference style when all courses were stored in one preference. 1696 * Also it helps to remove the settings for categories that were removed if the array for one course grows too big. 1697 * 1698 * @param int $courseid 1699 * @param array $collapsed 1700 * @return array 1701 */ 1702 protected static function filter_collapsed_categories($courseid, $collapsed) { 1703 global $DB; 1704 if (empty($collapsed)) { 1705 $collapsed = array('aggregatesonly' => array(), 'gradesonly' => array()); 1706 } 1707 if (empty($collapsed['aggregatesonly']) && empty($collapsed['gradesonly'])) { 1708 return $collapsed; 1709 } 1710 $cats = $DB->get_fieldset_select('grade_categories', 'id', 'courseid = ?', array($courseid)); 1711 $collapsed['aggregatesonly'] = array_values(array_intersect($collapsed['aggregatesonly'], $cats)); 1712 $collapsed['gradesonly'] = array_values(array_intersect($collapsed['gradesonly'], $cats)); 1713 return $collapsed; 1714 } 1715 1716 /** 1717 * Returns the list of categories that this user wants to collapse or display aggregatesonly 1718 * 1719 * This method also migrates on request from the old format of storing user preferences when they were stored 1720 * in one preference for all courses causing DB error when trying to insert very big value. 1721 * 1722 * @param int $courseid 1723 * @return array 1724 */ 1725 protected static function get_collapsed_preferences($courseid) { 1726 if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories'.$courseid)) { 1727 return json_decode($collapsed, true); 1728 } 1729 1730 // Try looking for old location of user setting that used to store all courses in one serialized user preference. 1731 if (($oldcollapsedpref = get_user_preferences('grade_report_grader_collapsed_categories')) !== null) { 1732 if ($collapsedall = @unserialize($oldcollapsedpref)) { 1733 // We found the old-style preference, filter out only categories that belong to this course and update the prefs. 1734 $collapsed = static::filter_collapsed_categories($courseid, $collapsedall); 1735 if (!empty($collapsed['aggregatesonly']) || !empty($collapsed['gradesonly'])) { 1736 static::set_collapsed_preferences($courseid, $collapsed); 1737 $collapsedall['aggregatesonly'] = array_diff($collapsedall['aggregatesonly'], $collapsed['aggregatesonly']); 1738 $collapsedall['gradesonly'] = array_diff($collapsedall['gradesonly'], $collapsed['gradesonly']); 1739 if (!empty($collapsedall['aggregatesonly']) || !empty($collapsedall['gradesonly'])) { 1740 set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsedall)); 1741 } else { 1742 unset_user_preference('grade_report_grader_collapsed_categories'); 1743 } 1744 } 1745 } else { 1746 // We found the old-style preference, but it is unreadable, discard it. 1747 unset_user_preference('grade_report_grader_collapsed_categories'); 1748 } 1749 } else { 1750 $collapsed = array('aggregatesonly' => array(), 'gradesonly' => array()); 1751 } 1752 return $collapsed; 1753 } 1754 1755 /** 1756 * Sets the list of categories that user wants to see collapsed in user preferences 1757 * 1758 * This method may filter or even trim the list if it does not fit in DB field. 1759 * 1760 * @param int $courseid 1761 * @param array $collapsed 1762 */ 1763 protected static function set_collapsed_preferences($courseid, $collapsed) { 1764 global $DB; 1765 // In an unlikely case that the list of collapsed categories for one course is too big for the user preference size, 1766 // try to filter the list of categories since array may contain categories that were deleted. 1767 if (strlen(json_encode($collapsed)) >= 1333) { 1768 $collapsed = static::filter_collapsed_categories($courseid, $collapsed); 1769 } 1770 1771 // If this did not help, "forget" about some of the collapsed categories. Still better than to loose all information. 1772 while (strlen(json_encode($collapsed)) >= 1333) { 1773 if (count($collapsed['aggregatesonly'])) { 1774 array_pop($collapsed['aggregatesonly']); 1775 } 1776 if (count($collapsed['gradesonly'])) { 1777 array_pop($collapsed['gradesonly']); 1778 } 1779 } 1780 1781 if (!empty($collapsed['aggregatesonly']) || !empty($collapsed['gradesonly'])) { 1782 set_user_preference('grade_report_grader_collapsed_categories'.$courseid, json_encode($collapsed)); 1783 } else { 1784 unset_user_preference('grade_report_grader_collapsed_categories'.$courseid); 1785 } 1786 } 1787 1788 /** 1789 * Processes a single action against a category, grade_item or grade. 1790 * @param string $target eid ({type}{id}, e.g. c4 for category4) 1791 * @param string $action Which action to take (edit, delete etc...) 1792 * @param int $courseid affected course. 1793 * @return 1794 */ 1795 public static function do_process_action($target, $action, $courseid = null) { 1796 global $DB; 1797 // TODO: this code should be in some grade_tree static method 1798 $targettype = substr($target, 0, 2); 1799 $targetid = substr($target, 2); 1800 // TODO: end 1801 1802 if ($targettype !== 'cg') { 1803 // The following code only works with categories. 1804 return true; 1805 } 1806 1807 if (!$courseid) { 1808 debugging('Function grade_report_grader::do_process_action() now requires additional argument courseid', 1809 DEBUG_DEVELOPER); 1810 if (!$courseid = $DB->get_field('grade_categories', 'courseid', array('id' => $targetid), IGNORE_MISSING)) { 1811 return true; 1812 } 1813 } 1814 1815 $collapsed = static::get_collapsed_preferences($courseid); 1816 1817 switch ($action) { 1818 case 'switch_minus': // Add category to array of aggregatesonly 1819 if (!in_array($targetid, $collapsed['aggregatesonly'])) { 1820 $collapsed['aggregatesonly'][] = $targetid; 1821 static::set_collapsed_preferences($courseid, $collapsed); 1822 } 1823 break; 1824 1825 case 'switch_plus': // Remove category from array of aggregatesonly, and add it to array of gradesonly 1826 $key = array_search($targetid, $collapsed['aggregatesonly']); 1827 if ($key !== false) { 1828 unset($collapsed['aggregatesonly'][$key]); 1829 } 1830 if (!in_array($targetid, $collapsed['gradesonly'])) { 1831 $collapsed['gradesonly'][] = $targetid; 1832 } 1833 static::set_collapsed_preferences($courseid, $collapsed); 1834 break; 1835 case 'switch_whole': // Remove the category from the array of collapsed cats 1836 $key = array_search($targetid, $collapsed['gradesonly']); 1837 if ($key !== false) { 1838 unset($collapsed['gradesonly'][$key]); 1839 static::set_collapsed_preferences($courseid, $collapsed); 1840 } 1841 1842 break; 1843 default: 1844 break; 1845 } 1846 1847 return true; 1848 } 1849 1850 /** 1851 * Refactored function for generating HTML of sorting links with matching arrows. 1852 * Returns an array with 'studentname' and 'idnumber' as keys, with HTML ready 1853 * to inject into a table header cell. 1854 * @param array $extrafields Array of extra fields being displayed, such as 1855 * user idnumber 1856 * @return array An associative array of HTML sorting links+arrows 1857 */ 1858 public function get_sort_arrows(array $extrafields = array()) { 1859 global $OUTPUT; 1860 $arrows = array(); 1861 1862 $strsortasc = $this->get_lang_string('sortasc', 'grades'); 1863 $strsortdesc = $this->get_lang_string('sortdesc', 'grades'); 1864 $strfirstname = $this->get_lang_string('firstname'); 1865 $strlastname = $this->get_lang_string('lastname'); 1866 $iconasc = $OUTPUT->pix_icon('t/sort_asc', $strsortasc, '', array('class' => 'iconsmall sorticon')); 1867 $icondesc = $OUTPUT->pix_icon('t/sort_desc', $strsortdesc, '', array('class' => 'iconsmall sorticon')); 1868 1869 $firstlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'firstname')), $strfirstname); 1870 $lastlink = html_writer::link(new moodle_url($this->baseurl, array('sortitemid'=>'lastname')), $strlastname); 1871 1872 $arrows['studentname'] = $lastlink; 1873 1874 if ($this->sortitemid === 'lastname') { 1875 if ($this->sortorder == 'ASC') { 1876 $arrows['studentname'] .= $iconasc; 1877 } else { 1878 $arrows['studentname'] .= $icondesc; 1879 } 1880 } 1881 1882 $arrows['studentname'] .= ' ' . $firstlink; 1883 1884 if ($this->sortitemid === 'firstname') { 1885 if ($this->sortorder == 'ASC') { 1886 $arrows['studentname'] .= $iconasc; 1887 } else { 1888 $arrows['studentname'] .= $icondesc; 1889 } 1890 } 1891 1892 foreach ($extrafields as $field) { 1893 $fieldlink = html_writer::link(new moodle_url($this->baseurl, 1894 array('sortitemid'=>$field)), get_user_field_name($field)); 1895 $arrows[$field] = $fieldlink; 1896 1897 if ($field == $this->sortitemid) { 1898 if ($this->sortorder == 'ASC') { 1899 $arrows[$field] .= $iconasc; 1900 } else { 1901 $arrows[$field] .= $icondesc; 1902 } 1903 } 1904 } 1905 1906 return $arrows; 1907 } 1908 1909 /** 1910 * Returns the maximum number of students to be displayed on each page 1911 * 1912 * @return int The maximum number of students to display per page 1913 */ 1914 public function get_students_per_page() { 1915 return $this->get_pref('studentsperpage'); 1916 } 1917 } 1918
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |