mod/assign/renderer.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/>.
  16
  17 /**
  18  * This file contains a renderer for the assignment class
  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  */
  24
  25 defined('MOODLE_INTERNAL') || die();
  26
  27 require_once($CFG->dirroot . '/mod/assign/locallib.php');
  28
  29 /**
  30  * A custom renderer class that extends the plugin_renderer_base and is used by the assign module.
  31  *
  32  * @package mod_assign
  33  * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  34  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35  */
  36 class mod_assign_renderer extends plugin_renderer_base {
  37
  38     /**
  39      * Rendering assignment files
  40      *
  41      * @param context $context
  42      * @param int $userid
  43      * @param string $filearea
  44      * @param string $component
  45      * @return string
  46      */
  47     public function assign_files(context $context, $userid, $filearea, $component) {
  48         return $this->render(new assign_files($context, $userid, $filearea, $component));
  49     }
  50
  51     /**
  52      * Rendering assignment files
  53      *
  54      * @param assign_files $tree
  55      * @return string
  56      */
  57     public function render_assign_files(assign_files $tree) {
  58         $this->htmlid = html_writer::random_id('assign_files_tree');
  59         $this->page->requires->js_init_call('M.mod_assign.init_tree', array(true, $this->htmlid));
  60         $html = '<div id="'.$this->htmlid.'">';
  61         $html .= $this->htmllize_tree($tree, $tree->dir);
  62         $html .= '</div>';
  63
  64         if ($tree->portfolioform) {
  65             $html .= $tree->portfolioform;
  66         }
  67         return $html;
  68     }
  69
  70     /**
  71      * Utility function to add a row of data to a table with 2 columns. Modified
  72      * the table param and does not return a value
  73      *
  74      * @param html_table $table The table to append the row of data to
  75      * @param string $first The first column text
  76      * @param string $second The second column text
  77      * @return void
  78      */
  79     private function add_table_row_tuple(html_table $table, $first, $second) {
  80         $row = new html_table_row();
  81         $cell1 = new html_table_cell($first);
  82         $cell2 = new html_table_cell($second);
  83         $row->cells = array($cell1, $cell2);
  84         $table->data[] = $row;
  85     }
  86
  87     /**
  88      * Render a grading message notification
  89      * @param assign_gradingmessage $result The result to render
  90      * @return string
  91      */
  92     public function render_assign_gradingmessage(assign_gradingmessage $result) {
  93         $urlparams = array('id' => $result->coursemoduleid, 'action'=>'grading');
  94         $url = new moodle_url('/mod/assign/view.php', $urlparams);
  95
  96         $o = '';
  97         $o .= $this->output->heading($result->heading, 4);
  98         $o .= $this->output->notification($result->message);
  99         $o .= $this->output->continue_button($url);
 100         return $o;
 101     }
 102
 103     /**
 104      * Render the generic form
 105      * @param assign_form $form The form to render
 106      * @return string
 107      */
 108     public function render_assign_form(assign_form $form) {
 109         $o = '';
 110         if ($form->jsinitfunction) {
 111             $this->page->requires->js_init_call($form->jsinitfunction, array());
 112         }
 113         $o .= $this->output->box_start('boxaligncenter ' . $form->classname);
 114         $o .= $this->moodleform($form->form);
 115         $o .= $this->output->box_end();
 116         return $o;
 117     }
 118
 119     /**
 120      * Render the user summary
 121      *
 122      * @param assign_user_summary $summary The user summary to render
 123      * @return string
 124      */
 125     public function render_assign_user_summary(assign_user_summary $summary) {
 126         $o = '';
 127         $supendedclass = '';
 128         $suspendedicon = '';
 129
 130         if (!$summary->user) {
 131             return;
 132         }
 133
 134         if ($summary->suspendeduser) {
 135             $supendedclass = ' usersuspended';
 136             $suspendedstring = get_string('userenrolmentsuspended', 'grades');
 137             $suspendedicon = ' ' . html_writer::empty_tag('img', array('src' => $this->pix_url('i/enrolmentsuspended'),
 138                 'title' => $suspendedstring, 'alt' => $suspendedstring, 'class' => 'usersuspendedicon'));
 139         }
 140         $o .= $this->output->container_start('usersummary');
 141         $o .= $this->output->box_start('boxaligncenter usersummarysection'.$supendedclass);
 142         if ($summary->blindmarking) {
 143             $o .= get_string('hiddenuser', 'assign') . $summary->uniqueidforuser.$suspendedicon;
 144         } else {
 145             $o .= $this->output->user_picture($summary->user);
 146             $o .= $this->output->spacer(array('width'=>30));
 147             $urlparams = array('id' => $summary->user->id, 'course'=>$summary->courseid);
 148             $url = new moodle_url('/user/view.php', $urlparams);
 149             $fullname = fullname($summary->user, $summary->viewfullnames);
 150             $extrainfo = array();
 151             foreach ($summary->extrauserfields as $extrafield) {
 152                 $extrainfo[] = $summary->user->$extrafield;
 153             }
 154             if (count($extrainfo)) {
 155                 $fullname .= ' (' . implode(', ', $extrainfo) . ')';
 156             }
 157             $fullname .= $suspendedicon;
 158             $o .= $this->output->action_link($url, $fullname);
 159         }
 160         $o .= $this->output->box_end();
 161         $o .= $this->output->container_end();
 162
 163         return $o;
 164     }
 165
 166     /**
 167      * Render the submit for grading page
 168      *
 169      * @param assign_submit_for_grading_page $page
 170      * @return string
 171      */
 172     public function render_assign_submit_for_grading_page($page) {
 173         $o = '';
 174
 175         $o .= $this->output->container_start('submitforgrading');
 176         $o .= $this->output->heading(get_string('submitassignment', 'assign'), 3);
 177         $o .= $this->output->spacer(array('height'=>30));
 178
 179         $cancelurl = new moodle_url('/mod/assign/view.php', array('id' => $page->coursemoduleid));
 180         if (count($page->notifications)) {
 181             // At least one of the submission plugins is not ready for submission.
 182
 183             $o .= $this->output->heading(get_string('submissionnotready', 'assign'), 4);
 184
 185             foreach ($page->notifications as $notification) {
 186                 $o .= $this->output->notification($notification);
 187             }
 188
 189             $o .= $this->output->continue_button($cancelurl);
 190         } else {
 191             // All submission plugins ready - show the confirmation form.
 192             $o .= $this->output->box_start('generalbox submitconfirm');
 193             $o .= $this->moodleform($page->confirmform);
 194             $o .= $this->output->box_end();
 195         }
 196         $o .= $this->output->container_end();
 197
 198         return $o;
 199     }
 200
 201     /**
 202      * Page is done - render the footer.
 203      *
 204      * @return void
 205      */
 206     public function render_footer() {
 207         return $this->output->footer();
 208     }
 209
 210     /**
 211      * Render the header.
 212      *
 213      * @param assign_header $header
 214      * @return string
 215      */
 216     public function render_assign_header(assign_header $header) {
 217         $o = '';
 218
 219         if ($header->subpage) {
 220             $this->page->navbar->add($header->subpage);
 221         }
 222
 223         $this->page->set_title(get_string('pluginname', 'assign'));
 224         $this->page->set_heading($this->page->course->fullname);
 225
 226         $o .= $this->output->header();
 227         $heading = format_string($header->assign->name, false, array('context' => $header->context));
 228         $o .= $this->output->heading($heading);
 229         if ($header->preface) {
 230             $o .= $header->preface;
 231         }
 232
 233         if ($header->showintro) {
 234             $o .= $this->output->box_start('generalbox boxaligncenter', 'intro');
 235             $o .= format_module_intro('assign', $header->assign, $header->coursemoduleid);
 236             $o .= $this->output->box_end();
 237         }
 238
 239         return $o;
 240     }
 241
 242     /**
 243      * Render the header for an individual plugin.
 244      *
 245      * @param assign_plugin_header $header
 246      * @return string
 247      */
 248     public function render_assign_plugin_header(assign_plugin_header $header) {
 249         $o = $header->plugin->view_header();
 250         return $o;
 251     }
 252
 253     /**
 254      * Render a table containing the current status of the grading process.
 255      *
 256      * @param assign_grading_summary $summary
 257      * @return string
 258      */
 259     public function render_assign_grading_summary(assign_grading_summary $summary) {
 260         // Create a table for the data.
 261         $o = '';
 262         $o .= $this->output->container_start('gradingsummary');
 263         $o .= $this->output->heading(get_string('gradingsummary', 'assign'), 3);
 264         $o .= $this->output->box_start('boxaligncenter gradingsummarytable');
 265         $t = new html_table();
 266
 267         // Status.
 268         if ($summary->teamsubmission) {
 269             $this->add_table_row_tuple($t, get_string('numberofteams', 'assign'),
 270                                        $summary->participantcount);
 271         } else {
 272             $this->add_table_row_tuple($t, get_string('numberofparticipants', 'assign'),
 273                                        $summary->participantcount);
 274         }
 275
 276         // Drafts count and dont show drafts count when using offline assignment.
 277         if ($summary->submissiondraftsenabled && $summary->submissionsenabled) {
 278             $this->add_table_row_tuple($t, get_string('numberofdraftsubmissions', 'assign'),
 279                                        $summary->submissiondraftscount);
 280         }
 281
 282         // Submitted for grading.
 283         if ($summary->submissionsenabled) {
 284             $this->add_table_row_tuple($t, get_string('numberofsubmittedassignments', 'assign'),
 285                                        $summary->submissionssubmittedcount);
 286             if (!$summary->teamsubmission) {
 287                 $this->add_table_row_tuple($t, get_string('numberofsubmissionsneedgrading', 'assign'),
 288                                            $summary->submissionsneedgradingcount);
 289             }
 290         }
 291
 292         $time = time();
 293         if ($summary->duedate) {
 294             // Due date.
 295             $duedate = $summary->duedate;
 296             $this->add_table_row_tuple($t, get_string('duedate', 'assign'),
 297                                        userdate($duedate));
 298
 299             // Time remaining.
 300             $due = '';
 301             if ($duedate - $time <= 0) {
 302                 $due = get_string('assignmentisdue', 'assign');
 303             } else {
 304                 $due = format_time($duedate - $time);
 305             }
 306             $this->add_table_row_tuple($t, get_string('timeremaining', 'assign'), $due);
 307
 308             if ($duedate < $time) {
 309                 $cutoffdate = $summary->cutoffdate;
 310                 if ($cutoffdate) {
 311                     if ($cutoffdate > $time) {
 312                         $late = get_string('latesubmissionsaccepted', 'assign');
 313                     } else {
 314                         $late = get_string('nomoresubmissionsaccepted', 'assign');
 315                     }
 316                     $this->add_table_row_tuple($t, get_string('latesubmissions', 'assign'), $late);
 317                 }
 318             }
 319
 320         }
 321
 322         // All done - write the table.
 323         $o .= html_writer::table($t);
 324         $o .= $this->output->box_end();
 325
 326         // Link to the grading page.
 327         $o .= $this->output->container_start('submissionlinks');
 328         $urlparams = array('id' => $summary->coursemoduleid, 'action'=>'grading');
 329         $url = new moodle_url('/mod/assign/view.php', $urlparams);
 330         $o .= $this->output->action_link($url, get_string('viewgrading', 'assign'));
 331         $o .= $this->output->container_end();
 332
 333         // Close the container and insert a spacer.
 334         $o .= $this->output->container_end();
 335
 336         return $o;
 337     }
 338
 339     /**
 340      * Render a table containing all the current grades and feedback.
 341      *
 342      * @param assign_feedback_status $status
 343      * @return string
 344      */
 345     public function render_assign_feedback_status(assign_feedback_status $status) {
 346         global $DB, $CFG;
 347         $o = '';
 348
 349         $o .= $this->output->container_start('feedback');
 350         $o .= $this->output->heading(get_string('feedback', 'assign'), 3);
 351         $o .= $this->output->box_start('boxaligncenter feedbacktable');
 352         $t = new html_table();
 353
 354         // Grade.
 355         if (isset($status->gradefordisplay)) {
 356             $row = new html_table_row();
 357             $cell1 = new html_table_cell(get_string('grade'));
 358             $cell2 = new html_table_cell($status->gradefordisplay);
 359             $row->cells = array($cell1, $cell2);
 360             $t->data[] = $row;
 361
 362             // Grade date.
 363             $row = new html_table_row();
 364             $cell1 = new html_table_cell(get_string('gradedon', 'assign'));
 365             $cell2 = new html_table_cell(userdate($status->gradeddate));
 366             $row->cells = array($cell1, $cell2);
 367             $t->data[] = $row;
 368         }
 369
 370         if ($status->grader) {
 371             // Grader.
 372             $row = new html_table_row();
 373             $cell1 = new html_table_cell(get_string('gradedby', 'assign'));
 374             $userdescription = $this->output->user_picture($status->grader) .
 375                                $this->output->spacer(array('width'=>30)) .
 376                                fullname($status->grader);
 377             $cell2 = new html_table_cell($userdescription);
 378             $row->cells = array($cell1, $cell2);
 379             $t->data[] = $row;
 380         }
 381
 382         foreach ($status->feedbackplugins as $plugin) {
 383             if ($plugin->is_enabled() &&
 384                     $plugin->is_visible() &&
 385                     $plugin->has_user_summary() &&
 386                     !empty($status->grade) &&
 387                     !$plugin->is_empty($status->grade)) {
 388
 389                 $row = new html_table_row();
 390                 $cell1 = new html_table_cell($plugin->get_name());
 391                 $displaymode = assign_feedback_plugin_feedback::SUMMARY;
 392                 $pluginfeedback = new assign_feedback_plugin_feedback($plugin,
 393                                                                       $status->grade,
 394                                                                       $displaymode,
 395                                                                       $status->coursemoduleid,
 396                                                                       $status->returnaction,
 397                                                                       $status->returnparams);
 398                 $cell2 = new html_table_cell($this->render($pluginfeedback));
 399                 $row->cells = array($cell1, $cell2);
 400                 $t->data[] = $row;
 401             }
 402         }
 403
 404         $o .= html_writer::table($t);
 405         $o .= $this->output->box_end();
 406
 407         $o .= $this->output->container_end();
 408         return $o;
 409     }
 410
 411     /**
 412      * Render a table containing the current status of the submission.
 413      *
 414      * @param assign_submission_status $status
 415      * @return string
 416      */
 417     public function render_assign_submission_status(assign_submission_status $status) {
 418         $o = '';
 419         $o .= $this->output->container_start('submissionstatustable');
 420         $o .= $this->output->heading(get_string('submissionstatusheading', 'assign'), 3);
 421         $time = time();
 422
 423         if ($status->allowsubmissionsfromdate &&
 424                 $time <= $status->allowsubmissionsfromdate) {
 425             $o .= $this->output->box_start('generalbox boxaligncenter submissionsalloweddates');
 426             if ($status->alwaysshowdescription) {
 427                 $date = userdate($status->allowsubmissionsfromdate);
 428                 $o .= get_string('allowsubmissionsfromdatesummary', 'assign', $date);
 429             } else {
 430                 $date = userdate($status->allowsubmissionsfromdate);
 431                 $o .= get_string('allowsubmissionsanddescriptionfromdatesummary', 'assign', $date);
 432             }
 433             $o .= $this->output->box_end();
 434         }
 435         $o .= $this->output->box_start('boxaligncenter submissionsummarytable');
 436
 437         $t = new html_table();
 438
 439         if ($status->teamsubmissionenabled) {
 440             $row = new html_table_row();
 441             $cell1 = new html_table_cell(get_string('submissionteam', 'assign'));
 442             $group = $status->submissiongroup;
 443             if ($group) {
 444                 $cell2 = new html_table_cell(format_string($group->name, false, $status->context));
 445             } else {
 446                 $cell2 = new html_table_cell(get_string('defaultteam', 'assign'));
 447             }
 448             $row->cells = array($cell1, $cell2);
 449             $t->data[] = $row;
 450         }
 451
 452         if ($status->attemptreopenmethod != ASSIGN_ATTEMPT_REOPEN_METHOD_NONE) {
 453             $currentattempt = 1;
 454             if (!$status->teamsubmissionenabled) {
 455                 if ($status->submission) {
 456                     $currentattempt = $status->submission->attemptnumber + 1;
 457                 }
 458             } else {
 459                 if ($status->teamsubmission) {
 460                     $currentattempt = $status->teamsubmission->attemptnumber + 1;
 461                 }
 462             }
 463
 464             $row = new html_table_row();
 465             $cell1 = new html_table_cell(get_string('attemptnumber', 'assign'));
 466             $maxattempts = $status->maxattempts;
 467             if ($maxattempts == ASSIGN_UNLIMITED_ATTEMPTS) {
 468                 $message = get_string('currentattempt', 'assign', $currentattempt);
 469             } else {
 470                 $message = get_string('currentattemptof', 'assign', array('attemptnumber'=>$currentattempt,
 471                                                                           'maxattempts'=>$maxattempts));
 472             }
 473             $cell2 = new html_table_cell($message);
 474             $row->cells = array($cell1, $cell2);
 475             $t->data[] = $row;
 476         }
 477
 478         $row = new html_table_row();
 479         $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 480         if (!$status->teamsubmissionenabled) {
 481             if ($status->submission) {
 482                 $statusstr = get_string('submissionstatus_' . $status->submission->status, 'assign');
 483                 $cell2 = new html_table_cell($statusstr);
 484                 $cell2->attributes = array('class'=>'submissionstatus' . $status->submission->status);
 485             } else {
 486                 if (!$status->submissionsenabled) {
 487                     $cell2 = new html_table_cell(get_string('noonlinesubmissions', 'assign'));
 488                 } else {
 489                     $cell2 = new html_table_cell(get_string('noattempt', 'assign'));
 490                 }
 491             }
 492             $row->cells = array($cell1, $cell2);
 493             $t->data[] = $row;
 494         } else {
 495             $row = new html_table_row();
 496             $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 497             if ($status->teamsubmission) {
 498                 $teamstatus = $status->teamsubmission->status;
 499                 $submissionsummary = get_string('submissionstatus_' . $teamstatus, 'assign');
 500                 $groupid = 0;
 501                 if ($status->submissiongroup) {
 502                     $groupid = $status->submissiongroup->id;
 503                 }
 504
 505                 $members = $status->submissiongroupmemberswhoneedtosubmit;
 506                 $userslist = array();
 507                 foreach ($members as $member) {
 508                     $urlparams = array('id' => $member->id, 'course'=>$status->courseid);
 509                     $url = new moodle_url('/user/view.php', $urlparams);
 510                     if ($status->view == assign_submission_status::GRADER_VIEW && $status->blindmarking) {
 511                         $userslist[] = $member->alias;
 512                     } else {
 513                         $fullname = fullname($member, $status->canviewfullnames);
 514                         $userslist[] = $this->output->action_link($url, $fullname);
 515                     }
 516                 }
 517                 if (count($userslist) > 0) {
 518                     $userstr = join(', ', $userslist);
 519                     $formatteduserstr = get_string('userswhoneedtosubmit', 'assign', $userstr);
 520                     $submissionsummary .= $this->output->container($formatteduserstr);
 521                 }
 522
 523                 $cell2 = new html_table_cell($submissionsummary);
 524                 $cell2->attributes = array('class'=>'submissionstatus' . $status->teamsubmission->status);
 525             } else {
 526                 $cell2 = new html_table_cell(get_string('nosubmission', 'assign'));
 527                 if (!$status->submissionsenabled) {
 528                     $cell2 = new html_table_cell(get_string('noonlinesubmissions', 'assign'));
 529                 } else {
 530                     $cell2 = new html_table_cell(get_string('nosubmission', 'assign'));
 531                 }
 532             }
 533             $row->cells = array($cell1, $cell2);
 534             $t->data[] = $row;
 535         }
 536
 537         // Is locked?
 538         if ($status->locked) {
 539             $row = new html_table_row();
 540             $cell1 = new html_table_cell();
 541             $cell2 = new html_table_cell(get_string('submissionslocked', 'assign'));
 542             $cell2->attributes = array('class'=>'submissionlocked');
 543             $row->cells = array($cell1, $cell2);
 544             $t->data[] = $row;
 545         }
 546
 547         // Grading status.
 548         $row = new html_table_row();
 549         $cell1 = new html_table_cell(get_string('gradingstatus', 'assign'));
 550
 551         if ($status->graded) {
 552             $cell2 = new html_table_cell(get_string('graded', 'assign'));
 553             $cell2->attributes = array('class'=>'submissiongraded');
 554         } else {
 555             $cell2 = new html_table_cell(get_string('notgraded', 'assign'));
 556             $cell2->attributes = array('class'=>'submissionnotgraded');
 557         }
 558         $row->cells = array($cell1, $cell2);
 559         $t->data[] = $row;
 560
 561         $submission = $status->teamsubmission ? $status->teamsubmission : $status->submission;
 562         $duedate = $status->duedate;
 563         if ($duedate > 0) {
 564             // Due date.
 565             $row = new html_table_row();
 566             $cell1 = new html_table_cell(get_string('duedate', 'assign'));
 567             $cell2 = new html_table_cell(userdate($duedate));
 568             $row->cells = array($cell1, $cell2);
 569             $t->data[] = $row;
 570
 571             if ($status->view == assign_submission_status::GRADER_VIEW) {
 572                 if ($status->cutoffdate) {
 573                     // Cut off date.
 574                     $row = new html_table_row();
 575                     $cell1 = new html_table_cell(get_string('cutoffdate', 'assign'));
 576                     $cell2 = new html_table_cell(userdate($status->cutoffdate));
 577                     $row->cells = array($cell1, $cell2);
 578                     $t->data[] = $row;
 579                 }
 580             }
 581
 582             if ($status->extensionduedate) {
 583                 // Extension date.
 584                 $row = new html_table_row();
 585                 $cell1 = new html_table_cell(get_string('extensionduedate', 'assign'));
 586                 $cell2 = new html_table_cell(userdate($status->extensionduedate));
 587                 $row->cells = array($cell1, $cell2);
 588                 $t->data[] = $row;
 589                 $duedate = $status->extensionduedate;
 590             }
 591
 592             // Time remaining.
 593             $row = new html_table_row();
 594             $cell1 = new html_table_cell(get_string('timeremaining', 'assign'));
 595             if ($duedate - $time <= 0) {
 596                 if (!$submission ||
 597                         $submission->status != ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
 598                     if ($status->submissionsenabled) {
 599                         $overduestr = get_string('overdue', 'assign', format_time($time - $duedate));
 600                         $cell2 = new html_table_cell($overduestr);
 601                         $cell2->attributes = array('class'=>'overdue');
 602                     } else {
 603                         $cell2 = new html_table_cell(get_string('duedatereached', 'assign'));
 604                     }
 605                 } else {
 606                     if ($submission->timemodified > $duedate) {
 607                         $latestr = get_string('submittedlate',
 608                                               'assign',
 609                                               format_time($submission->timemodified - $duedate));
 610                         $cell2 = new html_table_cell($latestr);
 611                         $cell2->attributes = array('class'=>'latesubmission');
 612                     } else {
 613                         $earlystr = get_string('submittedearly',
 614                                                'assign',
 615                                                format_time($submission->timemodified - $duedate));
 616                         $cell2 = new html_table_cell($earlystr);
 617                         $cell2->attributes = array('class'=>'earlysubmission');
 618                     }
 619                 }
 620             } else {
 621                 $cell2 = new html_table_cell(format_time($duedate - $time));
 622             }
 623             $row->cells = array($cell1, $cell2);
 624             $t->data[] = $row;
 625         }
 626
 627         // Show graders whether this submission is editable by students.
 628         if ($status->view == assign_submission_status::GRADER_VIEW) {
 629             $row = new html_table_row();
 630             $cell1 = new html_table_cell(get_string('editingstatus', 'assign'));
 631             if ($status->canedit) {
 632                 $cell2 = new html_table_cell(get_string('submissioneditable', 'assign'));
 633                 $cell2->attributes = array('class'=>'submissioneditable');
 634             } else {
 635                 $cell2 = new html_table_cell(get_string('submissionnoteditable', 'assign'));
 636                 $cell2->attributes = array('class'=>'submissionnoteditable');
 637             }
 638             $row->cells = array($cell1, $cell2);
 639             $t->data[] = $row;
 640         }
 641
 642         // Grading criteria preview.
 643         if (!empty($status->gradingcontrollerpreview)) {
 644             $row = new html_table_row();
 645             $cell1 = new html_table_cell(get_string('gradingmethodpreview', 'assign'));
 646             $cell2 = new html_table_cell($status->gradingcontrollerpreview);
 647             $row->cells = array($cell1, $cell2);
 648             $t->data[] = $row;
 649         }
 650
 651         // Last modified.
 652         if ($submission) {
 653             $row = new html_table_row();
 654             $cell1 = new html_table_cell(get_string('timemodified', 'assign'));
 655             $cell2 = new html_table_cell(userdate($submission->timemodified));
 656             $row->cells = array($cell1, $cell2);
 657             $t->data[] = $row;
 658
 659             foreach ($status->submissionplugins as $plugin) {
 660                 $pluginshowsummary = !$plugin->is_empty($submission) || !$plugin->allow_submissions();
 661                 if ($plugin->is_enabled() &&
 662                     $plugin->is_visible() &&
 663                     $plugin->has_user_summary() &&
 664                     $pluginshowsummary) {
 665
 666                     $row = new html_table_row();
 667                     $cell1 = new html_table_cell($plugin->get_name());
 668                     $displaymode = assign_submission_plugin_submission::SUMMARY;
 669                     $pluginsubmission = new assign_submission_plugin_submission($plugin,
 670                                                                                 $submission,
 671                                                                                 $displaymode,
 672                                                                                 $status->coursemoduleid,
 673                                                                                 $status->returnaction,
 674                                                                                 $status->returnparams);
 675                     $cell2 = new html_table_cell($this->render($pluginsubmission));
 676                     $row->cells = array($cell1, $cell2);
 677                     $t->data[] = $row;
 678                 }
 679             }
 680         }
 681
 682         $o .= html_writer::table($t);
 683         $o .= $this->output->box_end();
 684
 685         // Links.
 686         if ($status->view == assign_submission_status::STUDENT_VIEW) {
 687             if ($status->canedit) {
 688                 if (!$submission) {
 689                     $o .= $this->output->box_start('generalbox submissionaction');
 690                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 691                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 692                                                        get_string('addsubmission', 'assign'), 'get');
 693                     $o .= $this->output->box_start('boxaligncenter submithelp');
 694                     $o .= get_string('editsubmission_help', 'assign');
 695                     $o .= $this->output->box_end();
 696                     $o .= $this->output->box_end();
 697                 } else if ($submission->status == ASSIGN_SUBMISSION_STATUS_REOPENED) {
 698                     $o .= $this->output->box_start('generalbox submissionaction');
 699                     $urlparams = array('id' => $status->coursemoduleid,
 700                                        'action' => 'editprevioussubmission',
 701                                        'sesskey'=>sesskey());
 702                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 703                                                        get_string('addnewattemptfromprevious', 'assign'), 'get');
 704                     $o .= $this->output->box_start('boxaligncenter submithelp');
 705                     $o .= get_string('addnewattemptfromprevious_help', 'assign');
 706                     $o .= $this->output->box_end();
 707                     $o .= $this->output->box_end();
 708                     $o .= $this->output->box_start('generalbox submissionaction');
 709                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 710                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 711                                                        get_string('addnewattempt', 'assign'), 'get');
 712                     $o .= $this->output->box_start('boxaligncenter submithelp');
 713                     $o .= get_string('addnewattempt_help', 'assign');
 714                     $o .= $this->output->box_end();
 715                     $o .= $this->output->box_end();
 716                 } else {
 717                     $o .= $this->output->box_start('generalbox submissionaction');
 718                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 719                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 720                                                        get_string('editsubmission', 'assign'), 'get');
 721                     $o .= $this->output->box_start('boxaligncenter submithelp');
 722                     $o .= get_string('editsubmission_help', 'assign');
 723                     $o .= $this->output->box_end();
 724                     $o .= $this->output->box_end();
 725                 }
 726             }
 727
 728             if ($status->cansubmit) {
 729                 $urlparams = array('id' => $status->coursemoduleid, 'action'=>'submit');
 730                 $o .= $this->output->box_start('generalbox submissionaction');
 731                 $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 732                                                    get_string('submitassignment', 'assign'), 'get');
 733                 $o .= $this->output->box_start('boxaligncenter submithelp');
 734                 $o .= get_string('submitassignment_help', 'assign');
 735                 $o .= $this->output->box_end();
 736                 $o .= $this->output->box_end();
 737             }
 738         }
 739
 740         $o .= $this->output->container_end();
 741         return $o;
 742     }
 743
 744     /**
 745      * Output the attempt history for this assignment
 746      *
 747      * @param assign_attempt_history $history
 748      * @return string
 749      */
 750     public function render_assign_attempt_history(assign_attempt_history $history) {
 751         $o = '';
 752
 753         $submittedstr = get_string('submitted', 'assign');
 754         $gradestr = get_string('grade');
 755         $gradedonstr = get_string('gradedon', 'assign');
 756         $gradedbystr = get_string('gradedby', 'assign');
 757
 758         // Don't show the last one because it is the current submission.
 759         array_pop($history->submissions);
 760
 761         // Show newest to oldest.
 762         $history->submissions = array_reverse($history->submissions);
 763
 764         if (empty($history->submissions)) {
 765             return '';
 766         }
 767
 768         $containerid = 'attempthistory' . uniqid();
 769         $o .= $this->heading(get_string('attempthistory', 'assign'), 3);
 770         $o .= $this->box_start('attempthistory', $containerid);
 771
 772         foreach ($history->submissions as $i => $submission) {
 773             $grade = null;
 774             foreach ($history->grades as $onegrade) {
 775                 if ($onegrade->attemptnumber == $submission->attemptnumber) {
 776                     $grade = $onegrade;
 777                     break;
 778                 }
 779             }
 780
 781             $editbtn = '';
 782
 783             if ($submission) {
 784                 $submissionsummary = userdate($submission->timemodified);
 785             } else {
 786                 $submissionsummary = get_string('nosubmission', 'assign');
 787             }
 788
 789             $attemptsummaryparams = array('attemptnumber'=>$submission->attemptnumber+1,
 790                                           'submissionsummary'=>$submissionsummary);
 791             $o .= $this->heading(get_string('attemptheading', 'assign', $attemptsummaryparams), 4);
 792
 793             $t = new html_table();
 794
 795             if ($submission) {
 796                 $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 797                 $cell2 = new html_table_cell(get_string('submissionstatus_' . $submission->status, 'assign'));
 798                 $t->data[] = new html_table_row(array($cell1, $cell2));
 799
 800                 foreach ($history->submissionplugins as $plugin) {
 801                     $pluginshowsummary = !$plugin->is_empty($submission) || !$plugin->allow_submissions();
 802                     if ($plugin->is_enabled() &&
 803                             $plugin->is_visible() &&
 804                             $plugin->has_user_summary() &&
 805                             $pluginshowsummary) {
 806
 807                         $cell1 = new html_table_cell($plugin->get_name());
 808                         $pluginsubmission = new assign_submission_plugin_submission($plugin,
 809                                                                                     $submission,
 810                                                                                     assign_submission_plugin_submission::SUMMARY,
 811                                                                                     $history->coursemoduleid,
 812                                                                                     $history->returnaction,
 813                                                                                     $history->returnparams);
 814                         $cell2 = new html_table_cell($this->render($pluginsubmission));
 815
 816                         $t->data[] = new html_table_row(array($cell1, $cell2));
 817                     }
 818                 }
 819             }
 820
 821             if ($grade) {
 822                 // Heading 'feedback'.
 823                 $title = get_string('feedback', 'assign', $i);
 824                 $title .= $this->output->spacer(array('width'=>10));
 825                 if ($history->cangrade) {
 826                     // Edit previous feedback.
 827                     $returnparams = http_build_query($history->returnparams);
 828                     $urlparams = array('id' => $history->coursemoduleid,
 829                                    'rownum'=>$history->rownum,
 830                                    'useridlistid'=>$history->useridlistid,
 831                                    'attemptnumber'=>$grade->attemptnumber,
 832                                    'action'=>'grade',
 833                                    'returnaction'=>$history->returnaction,
 834                                    'returnparams'=>$returnparams);
 835                     $url = new moodle_url('/mod/assign/view.php', $urlparams);
 836                     $icon = new pix_icon('gradefeedback',
 837                                             get_string('editattemptfeedback', 'assign', $grade->attemptnumber+1),
 838                                             'mod_assign');
 839                     $title .= $this->output->action_icon($url, $icon);
 840                 }
 841                 $cell = new html_table_cell($title);
 842                 $cell->attributes['class'] = 'feedbacktitle';
 843                 $cell->colspan = 2;
 844                 $t->data[] = new html_table_row(array($cell));
 845
 846                 // Grade.
 847                 $cell1 = new html_table_cell($gradestr);
 848                 $cell2 = $grade->gradefordisplay;
 849                 $t->data[] = new html_table_row(array($cell1, $cell2));
 850
 851                 // Graded on.
 852                 $cell1 = new html_table_cell($gradedonstr);
 853                 $cell2 = new html_table_cell(userdate($grade->timemodified));
 854                 $t->data[] = new html_table_row(array($cell1, $cell2));
 855
 856                 // Graded by.
 857                 $cell1 = new html_table_cell($gradedbystr);
 858                 $cell2 = new html_table_cell($this->output->user_picture($grade->grader) .
 859                                              $this->output->spacer(array('width'=>30)) . fullname($grade->grader));
 860                 $t->data[] = new html_table_row(array($cell1, $cell2));
 861
 862                 // Feedback from plugins.
 863                 foreach ($history->feedbackplugins as $plugin) {
 864                     if ($plugin->is_enabled() &&
 865                         $plugin->is_visible() &&
 866                         $plugin->has_user_summary() &&
 867                         !$plugin->is_empty($grade)) {
 868
 869                         $cell1 = new html_table_cell($plugin->get_name());
 870                         $pluginfeedback = new assign_feedback_plugin_feedback(
 871                             $plugin, $grade, assign_feedback_plugin_feedback::SUMMARY, $history->coursemoduleid,
 872                             $history->returnaction, $history->returnparams
 873                         );
 874                         $cell2 = new html_table_cell($this->render($pluginfeedback));
 875                         $t->data[] = new html_table_row(array($cell1, $cell2));
 876                     }
 877
 878                 }
 879
 880             }
 881
 882             $o .= html_writer::table($t);
 883         }
 884         $o .= $this->box_end();
 885         $jsparams = array($containerid);
 886
 887         $this->page->requires->yui_module('moodle-mod_assign-history', 'Y.one("#' . $containerid . '").history');
 888
 889         return $o;
 890     }
 891
 892     /**
 893      * Render a submission plugin submission
 894      *
 895      * @param assign_submission_plugin_submission $submissionplugin
 896      * @return string
 897      */
 898     public function render_assign_submission_plugin_submission(assign_submission_plugin_submission $submissionplugin) {
 899         $o = '';
 900
 901         if ($submissionplugin->view == assign_submission_plugin_submission::SUMMARY) {
 902             $showviewlink = false;
 903             $summary = $submissionplugin->plugin->view_summary($submissionplugin->submission,
 904                                                                $showviewlink);
 905
 906             $classsuffix = $submissionplugin->plugin->get_subtype() .
 907                            '_' .
 908                            $submissionplugin->plugin->get_type() .
 909                            '_' .
 910                            $submissionplugin->submission->id;
 911
 912             $o .= $this->output->box_start('boxaligncenter plugincontentsummary summary_' . $classsuffix);
 913
 914             $link = '';
 915             if ($showviewlink) {
 916                 $previewstr = get_string('viewsubmission', 'assign');
 917                 $icon = $this->output->pix_icon('t/preview', $previewstr);
 918
 919                 $expandstr = get_string('viewfull', 'assign');
 920                 $options = array('class'=>'expandsummaryicon expand_' . $classsuffix);
 921                 $o .= $this->output->pix_icon('t/switch_plus', $expandstr, null, $options);
 922
 923                 $jsparams = array($submissionplugin->plugin->get_subtype(),
 924                                   $submissionplugin->plugin->get_type(),
 925                                   $submissionplugin->submission->id);
 926
 927                 $this->page->requires->js_init_call('M.mod_assign.init_plugin_summary', $jsparams);
 928
 929                 $action = 'viewplugin' . $submissionplugin->plugin->get_subtype();
 930                 $returnparams = http_build_query($submissionplugin->returnparams);
 931                 $link .= '<noscript>';
 932                 $urlparams = array('id' => $submissionplugin->coursemoduleid,
 933                                    'sid'=>$submissionplugin->submission->id,
 934                                    'plugin'=>$submissionplugin->plugin->get_type(),
 935                                    'action'=>$action,
 936                                    'returnaction'=>$submissionplugin->returnaction,
 937                                    'returnparams'=>$returnparams);
 938                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
 939                 $link .= $this->output->action_link($url, $icon);
 940                 $link .= '</noscript>';
 941
 942                 $link .= $this->output->spacer(array('width'=>15));
 943             }
 944
 945             $o .= $link . $summary;
 946             $o .= $this->output->box_end();
 947             if ($showviewlink) {
 948                 $o .= $this->output->box_start('boxaligncenter hidefull full_' . $classsuffix);
 949                 $classes = 'expandsummaryicon contract_' . $classsuffix;
 950                 $o .= $this->output->pix_icon('t/switch_minus',
 951                                               get_string('viewsummary', 'assign'),
 952                                               null,
 953                                               array('class'=>$classes));
 954                 $o .= $submissionplugin->plugin->view($submissionplugin->submission);
 955                 $o .= $this->output->box_end();
 956             }
 957         } else if ($submissionplugin->view == assign_submission_plugin_submission::FULL) {
 958             $o .= $this->output->box_start('boxaligncenter submissionfull');
 959             $o .= $submissionplugin->plugin->view($submissionplugin->submission);
 960             $o .= $this->output->box_end();
 961         }
 962
 963         return $o;
 964     }
 965
 966     /**
 967      * Render the grading table.
 968      *
 969      * @param assign_grading_table $table
 970      * @return string
 971      */
 972     public function render_assign_grading_table(assign_grading_table $table) {
 973         $o = '';
 974         $o .= $this->output->box_start('boxaligncenter gradingtable');
 975
 976         $this->page->requires->js_init_call('M.mod_assign.init_grading_table', array());
 977         $this->page->requires->string_for_js('nousersselected', 'assign');
 978         $this->page->requires->string_for_js('batchoperationconfirmgrantextension', 'assign');
 979         $this->page->requires->string_for_js('batchoperationconfirmlock', 'assign');
 980         $this->page->requires->string_for_js('batchoperationconfirmreverttodraft', 'assign');
 981         $this->page->requires->string_for_js('batchoperationconfirmunlock', 'assign');
 982         $this->page->requires->string_for_js('batchoperationconfirmaddattempt', 'assign');
 983         $this->page->requires->string_for_js('batchoperationconfirmsetmarkingworkflowstate', 'assign');
 984         $this->page->requires->string_for_js('batchoperationconfirmsetmarkingallocation', 'assign');
 985         $this->page->requires->string_for_js('editaction', 'assign');
 986         foreach ($table->plugingradingbatchoperations as $plugin => $operations) {
 987             foreach ($operations as $operation => $description) {
 988                 $this->page->requires->string_for_js('batchoperationconfirm' . $operation,
 989                                                      'assignfeedback_' . $plugin);
 990             }
 991         }
 992         $o .= $this->flexible_table($table, $table->get_rows_per_page(), true);
 993         $o .= $this->output->box_end();
 994
 995         return $o;
 996     }
 997
 998     /**
 999      * Render a feedback plugin feedback
1000      *
1001      * @param assign_feedback_plugin_feedback $feedbackplugin
1002      * @return string
1003      */
1004     public function render_assign_feedback_plugin_feedback(assign_feedback_plugin_feedback $feedbackplugin) {
1005         $o = '';
1006
1007         if ($feedbackplugin->view == assign_feedback_plugin_feedback::SUMMARY) {
1008             $showviewlink = false;
1009             $summary = $feedbackplugin->plugin->view_summary($feedbackplugin->grade, $showviewlink);
1010
1011             $classsuffix = $feedbackplugin->plugin->get_subtype() .
1012                            '_' .
1013                            $feedbackplugin->plugin->get_type() .
1014                            '_' .
1015                            $feedbackplugin->grade->id;
1016             $o .= $this->output->box_start('boxaligncenter plugincontentsummary summary_' . $classsuffix);
1017
1018             $link = '';
1019             if ($showviewlink) {
1020                 $previewstr = get_string('viewfeedback', 'assign');
1021                 $icon = $this->output->pix_icon('t/preview', $previewstr);
1022
1023                 $expandstr = get_string('viewfull', 'assign');
1024                 $options = array('class'=>'expandsummaryicon expand_' . $classsuffix);
1025                 $o .= $this->output->pix_icon('t/switch_plus', $expandstr, null, $options);
1026
1027                 $jsparams = array($feedbackplugin->plugin->get_subtype(),
1028                                   $feedbackplugin->plugin->get_type(),
1029                                   $feedbackplugin->grade->id);
1030                 $this->page->requires->js_init_call('M.mod_assign.init_plugin_summary', $jsparams);
1031
1032                 $urlparams = array('id' => $feedbackplugin->coursemoduleid,
1033                                    'gid'=>$feedbackplugin->grade->id,
1034                                    'plugin'=>$feedbackplugin->plugin->get_type(),
1035                                    'action'=>'viewplugin' . $feedbackplugin->plugin->get_subtype(),
1036                                    'returnaction'=>$feedbackplugin->returnaction,
1037                                    'returnparams'=>http_build_query($feedbackplugin->returnparams));
1038                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
1039                 $link .= '<noscript>';
1040                 $link .= $this->output->action_link($url, $icon);
1041                 $link .= '</noscript>';
1042
1043                 $link .= $this->output->spacer(array('width'=>15));
1044             }
1045
1046             $o .= $link . $summary;
1047             $o .= $this->output->box_end();
1048             if ($showviewlink) {
1049                 $o .= $this->output->box_start('boxaligncenter hidefull full_' . $classsuffix);
1050                 $classes = 'expandsummaryicon contract_' . $classsuffix;
1051                 $o .= $this->output->pix_icon('t/switch_minus',
1052                                               get_string('viewsummary', 'assign'),
1053                                               null,
1054                                               array('class'=>$classes));
1055                 $o .= $feedbackplugin->plugin->view($feedbackplugin->grade);
1056                 $o .= $this->output->box_end();
1057             }
1058         } else if ($feedbackplugin->view == assign_feedback_plugin_feedback::FULL) {
1059             $o .= $this->output->box_start('boxaligncenter feedbackfull');
1060             $o .= $feedbackplugin->plugin->view($feedbackplugin->grade);
1061             $o .= $this->output->box_end();
1062         }
1063
1064         return $o;
1065     }
1066
1067     /**
1068      * Render a course index summary
1069      *
1070      * @param assign_course_index_summary $indexsummary
1071      * @return string
1072      */
1073     public function render_assign_course_index_summary(assign_course_index_summary $indexsummary) {
1074         $o = '';
1075
1076         $strplural = get_string('modulenameplural', 'assign');
1077         $strsectionname  = $indexsummary->courseformatname;
1078         $strduedate = get_string('duedate', 'assign');
1079         $strsubmission = get_string('submission', 'assign');
1080         $strgrade = get_string('grade');
1081
1082         $table = new html_table();
1083         if ($indexsummary->usesections) {
1084             $table->head  = array ($strsectionname, $strplural, $strduedate, $strsubmission, $strgrade);
1085             $table->align = array ('left', 'left', 'center', 'right', 'right');
1086         } else {
1087             $table->head  = array ($strplural, $strduedate, $strsubmission, $strgrade);
1088             $table->align = array ('left', 'left', 'center', 'right');
1089         }
1090         $table->data = array();
1091
1092         $currentsection = '';
1093         foreach ($indexsummary->assignments as $info) {
1094             $params = array('id' => $info['cmid']);
1095             $link = html_writer::link(new moodle_url('/mod/assign/view.php', $params),
1096                                       $info['cmname']);
1097             $due = $info['timedue'] ? userdate($info['timedue']) : '-';
1098
1099             $printsection = '';
1100             if ($indexsummary->usesections) {
1101                 if ($info['sectionname'] !== $currentsection) {
1102                     if ($info['sectionname']) {
1103                         $printsection = $info['sectionname'];
1104                     }
1105                     if ($currentsection !== '') {
1106                         $table->data[] = 'hr';
1107                     }
1108                     $currentsection = $info['sectionname'];
1109                 }
1110             }
1111
1112             if ($indexsummary->usesections) {
1113                 $row = array($printsection, $link, $due, $info['submissioninfo'], $info['gradeinfo']);
1114             } else {
1115                 $row = array($link, $due, $info['submissioninfo'], $info['gradeinfo']);
1116             }
1117             $table->data[] = $row;
1118         }
1119
1120         $o .= html_writer::table($table);
1121
1122         return $o;
1123     }
1124
1125
1126
1127     /**
1128      * Internal function - creates htmls structure suitable for YUI tree.
1129      *
1130      * @param assign_files $tree
1131      * @param array $dir
1132      * @return string
1133      */
1134     protected function htmllize_tree(assign_files $tree, $dir) {
1135         global $CFG;
1136         $yuiconfig = array();
1137         $yuiconfig['type'] = 'html';
1138
1139         if (empty($dir['subdirs']) and empty($dir['files'])) {
1140             return '';
1141         }
1142
1143         $result = '<ul>';
1144         foreach ($dir['subdirs'] as $subdir) {
1145             $image = $this->output->pix_icon(file_folder_icon(),
1146                                              $subdir['dirname'],
1147                                              'moodle',
1148                                              array('class'=>'icon'));
1149             $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'>' .
1150                        '<div>' . $image . ' ' . s($subdir['dirname']) . '</div> ' .
1151                        $this->htmllize_tree($tree, $subdir) .
1152                        '</li>';
1153         }
1154
1155         foreach ($dir['files'] as $file) {
1156             $filename = $file->get_filename();
1157             if ($CFG->enableplagiarism) {
1158                 require_once($CFG->libdir.'/plagiarismlib.php');
1159                 $plagiarismlinks = plagiarism_get_links(array('userid'=>$file->get_userid(),
1160                                                              'file'=>$file,
1161                                                              'cmid'=>$tree->cm->id,
1162                                                              'course'=>$tree->course));
1163             } else {
1164                 $plagiarismlinks = '';
1165             }
1166             $image = $this->output->pix_icon(file_file_icon($file),
1167                                              $filename,
1168                                              'moodle',
1169                                              array('class'=>'icon'));
1170             $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'>' .
1171                        '<div>' . $image . ' ' .
1172                                  $file->fileurl . ' ' .
1173                                  $plagiarismlinks .
1174                                  $file->portfoliobutton . '</div>' .
1175                        '</li>';
1176         }
1177
1178         $result .= '</ul>';
1179
1180         return $result;
1181     }
1182
1183     /**
1184      * Helper method dealing with the fact we can not just fetch the output of flexible_table
1185      *
1186      * @param flexible_table $table The table to render
1187      * @param int $rowsperpage How many assignments to render in a page
1188      * @param bool $displaylinks - Whether to render links in the table
1189      *                             (e.g. downloads would not enable this)
1190      * @return string HTML
1191      */
1192     protected function flexible_table(flexible_table $table, $rowsperpage, $displaylinks) {
1193
1194         $o = '';
1195         ob_start();
1196         $table->out($rowsperpage, $displaylinks);
1197         $o = ob_get_contents();
1198         ob_end_clean();
1199
1200         return $o;
1201     }
1202
1203     /**
1204      * Helper method dealing with the fact we can not just fetch the output of moodleforms
1205      *
1206      * @param moodleform $mform
1207      * @return string HTML
1208      */
1209     protected function moodleform(moodleform $mform) {
1210
1211         $o = '';
1212         ob_start();
1213         $mform->display();
1214         $o = ob_get_contents();
1215         ob_end_clean();
1216
1217         return $o;
1218     }
1219
1220 }
1221