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' => $result->coursemoduleid, 'action'=>'grading');
  94         if (!empty($result->page)) {
  95             $urlparams['page'] = $result->page;
  96         }
  97         $url = new moodle_url('/mod/assign/view.php', $urlparams);
  98         $classes = $result->gradingerror ? 'notifyproblem' : 'notifysuccess';
  99
 100         $o = '';
 101         $o .= $this->output->heading($result->heading, 4);
 102         $o .= $this->output->notification($result->message, $classes);
 103         $o .= $this->output->continue_button($url);
 104         return $o;
 105     }
 106
 107     /**
 108      * Render the generic form
 109      * @param assign_form $form The form to render
 110      * @return string
 111      */
 112     public function render_assign_form(assign_form $form) {
 113         $o = '';
 114         if ($form->jsinitfunction) {
 115             $this->page->requires->js_init_call($form->jsinitfunction, array());
 116         }
 117         $o .= $this->output->box_start('boxaligncenter ' . $form->classname);
 118         $o .= $this->moodleform($form->form);
 119         $o .= $this->output->box_end();
 120         return $o;
 121     }
 122
 123     /**
 124      * Render the user summary
 125      *
 126      * @param assign_user_summary $summary The user summary to render
 127      * @return string
 128      */
 129     public function render_assign_user_summary(assign_user_summary $summary) {
 130         $o = '';
 131         $supendedclass = '';
 132         $suspendedicon = '';
 133
 134         if (!$summary->user) {
 135             return;
 136         }
 137
 138         if ($summary->suspendeduser) {
 139             $supendedclass = ' usersuspended';
 140             $suspendedstring = get_string('userenrolmentsuspended', 'grades');
 141             $suspendedicon = ' ' . html_writer::empty_tag('img', array('src' => $this->pix_url('i/enrolmentsuspended'),
 142                 'title' => $suspendedstring, 'alt' => $suspendedstring, 'class' => 'usersuspendedicon'));
 143         }
 144         $o .= $this->output->container_start('usersummary');
 145         $o .= $this->output->box_start('boxaligncenter usersummarysection'.$supendedclass);
 146         if ($summary->blindmarking) {
 147             $o .= get_string('hiddenuser', 'assign') . $summary->uniqueidforuser.$suspendedicon;
 148         } else {
 149             $o .= $this->output->user_picture($summary->user);
 150             $o .= $this->output->spacer(array('width'=>30));
 151             $urlparams = array('id' => $summary->user->id, 'course'=>$summary->courseid);
 152             $url = new moodle_url('/user/view.php', $urlparams);
 153             $fullname = fullname($summary->user, $summary->viewfullnames);
 154             $extrainfo = array();
 155             foreach ($summary->extrauserfields as $extrafield) {
 156                 $extrainfo[] = $summary->user->$extrafield;
 157             }
 158             if (count($extrainfo)) {
 159                 $fullname .= ' (' . implode(', ', $extrainfo) . ')';
 160             }
 161             $fullname .= $suspendedicon;
 162             $o .= $this->output->action_link($url, $fullname);
 163         }
 164         $o .= $this->output->box_end();
 165         $o .= $this->output->container_end();
 166
 167         return $o;
 168     }
 169
 170     /**
 171      * Render the submit for grading page
 172      *
 173      * @param assign_submit_for_grading_page $page
 174      * @return string
 175      */
 176     public function render_assign_submit_for_grading_page($page) {
 177         $o = '';
 178
 179         $o .= $this->output->container_start('submitforgrading');
 180         $o .= $this->output->heading(get_string('submitassignment', 'assign'), 3);
 181         $o .= $this->output->spacer(array('height'=>30));
 182
 183         $cancelurl = new moodle_url('/mod/assign/view.php', array('id' => $page->coursemoduleid));
 184         if (count($page->notifications)) {
 185             // At least one of the submission plugins is not ready for submission.
 186
 187             $o .= $this->output->heading(get_string('submissionnotready', 'assign'), 4);
 188
 189             foreach ($page->notifications as $notification) {
 190                 $o .= $this->output->notification($notification);
 191             }
 192
 193             $o .= $this->output->continue_button($cancelurl);
 194         } else {
 195             // All submission plugins ready - show the confirmation form.
 196             $o .= $this->output->box_start('generalbox submitconfirm');
 197             $o .= $this->moodleform($page->confirmform);
 198             $o .= $this->output->box_end();
 199         }
 200         $o .= $this->output->container_end();
 201
 202         return $o;
 203     }
 204
 205     /**
 206      * Page is done - render the footer.
 207      *
 208      * @return void
 209      */
 210     public function render_footer() {
 211         return $this->output->footer();
 212     }
 213
 214     /**
 215      * Render the header.
 216      *
 217      * @param assign_header $header
 218      * @return string
 219      */
 220     public function render_assign_header(assign_header $header) {
 221         $o = '';
 222
 223         if ($header->subpage) {
 224             $this->page->navbar->add($header->subpage);
 225         }
 226
 227         $this->page->set_title(get_string('pluginname', 'assign'));
 228         $this->page->set_heading($this->page->course->fullname);
 229
 230         $o .= $this->output->header();
 231         $heading = format_string($header->assign->name, false, array('context' => $header->context));
 232         $o .= $this->output->heading($heading);
 233         if ($header->preface) {
 234             $o .= $header->preface;
 235         }
 236
 237         if ($header->showintro) {
 238             $o .= $this->output->box_start('generalbox boxaligncenter', 'intro');
 239             $o .= format_module_intro('assign', $header->assign, $header->coursemoduleid);
 240             $o .= $header->postfix;
 241             $o .= $this->output->box_end();
 242         }
 243
 244         return $o;
 245     }
 246
 247     /**
 248      * Render the header for an individual plugin.
 249      *
 250      * @param assign_plugin_header $header
 251      * @return string
 252      */
 253     public function render_assign_plugin_header(assign_plugin_header $header) {
 254         $o = $header->plugin->view_header();
 255         return $o;
 256     }
 257
 258     /**
 259      * Render a table containing the current status of the grading process.
 260      *
 261      * @param assign_grading_summary $summary
 262      * @return string
 263      */
 264     public function render_assign_grading_summary(assign_grading_summary $summary) {
 265         // Create a table for the data.
 266         $o = '';
 267         $o .= $this->output->container_start('gradingsummary');
 268         $o .= $this->output->heading(get_string('gradingsummary', 'assign'), 3);
 269         $o .= $this->output->box_start('boxaligncenter gradingsummarytable');
 270         $t = new html_table();
 271
 272         // Status.
 273         if ($summary->teamsubmission) {
 274             if ($summary->warnofungroupedusers) {
 275                 $o .= $this->output->notification(get_string('ungroupedusers', 'assign'));
 276             }
 277
 278             $this->add_table_row_tuple($t, get_string('numberofteams', 'assign'),
 279                                        $summary->participantcount);
 280         } else {
 281             $this->add_table_row_tuple($t, get_string('numberofparticipants', 'assign'),
 282                                        $summary->participantcount);
 283         }
 284
 285         // Drafts count and dont show drafts count when using offline assignment.
 286         if ($summary->submissiondraftsenabled && $summary->submissionsenabled) {
 287             $this->add_table_row_tuple($t, get_string('numberofdraftsubmissions', 'assign'),
 288                                        $summary->submissiondraftscount);
 289         }
 290
 291         // Submitted for grading.
 292         if ($summary->submissionsenabled) {
 293             $this->add_table_row_tuple($t, get_string('numberofsubmittedassignments', 'assign'),
 294                                        $summary->submissionssubmittedcount);
 295             if (!$summary->teamsubmission) {
 296                 $this->add_table_row_tuple($t, get_string('numberofsubmissionsneedgrading', 'assign'),
 297                                            $summary->submissionsneedgradingcount);
 298             }
 299         }
 300
 301         $time = time();
 302         if ($summary->duedate) {
 303             // Due date.
 304             $duedate = $summary->duedate;
 305             $this->add_table_row_tuple($t, get_string('duedate', 'assign'),
 306                                        userdate($duedate));
 307
 308             // Time remaining.
 309             $due = '';
 310             if ($duedate - $time <= 0) {
 311                 $due = get_string('assignmentisdue', 'assign');
 312             } else {
 313                 $due = format_time($duedate - $time);
 314             }
 315             $this->add_table_row_tuple($t, get_string('timeremaining', 'assign'), $due);
 316
 317             if ($duedate < $time) {
 318                 $cutoffdate = $summary->cutoffdate;
 319                 if ($cutoffdate) {
 320                     if ($cutoffdate > $time) {
 321                         $late = get_string('latesubmissionsaccepted', 'assign', userdate($summary->cutoffdate));
 322                     } else {
 323                         $late = get_string('nomoresubmissionsaccepted', 'assign');
 324                     }
 325                     $this->add_table_row_tuple($t, get_string('latesubmissions', 'assign'), $late);
 326                 }
 327             }
 328
 329         }
 330
 331         // All done - write the table.
 332         $o .= html_writer::table($t);
 333         $o .= $this->output->box_end();
 334
 335         // Link to the grading page.
 336         $o .= $this->output->container_start('submissionlinks');
 337         $urlparams = array('id' => $summary->coursemoduleid, 'action'=>'grading');
 338         $url = new moodle_url('/mod/assign/view.php', $urlparams);
 339         $o .= $this->output->action_link($url, get_string('viewgrading', 'assign'));
 340         $o .= $this->output->container_end();
 341
 342         // Close the container and insert a spacer.
 343         $o .= $this->output->container_end();
 344
 345         return $o;
 346     }
 347
 348     /**
 349      * Render a table containing all the current grades and feedback.
 350      *
 351      * @param assign_feedback_status $status
 352      * @return string
 353      */
 354     public function render_assign_feedback_status(assign_feedback_status $status) {
 355         global $DB, $CFG;
 356         $o = '';
 357
 358         $o .= $this->output->container_start('feedback');
 359         $o .= $this->output->heading(get_string('feedback', 'assign'), 3);
 360         $o .= $this->output->box_start('boxaligncenter feedbacktable');
 361         $t = new html_table();
 362
 363         // Grade.
 364         if (isset($status->gradefordisplay)) {
 365             $row = new html_table_row();
 366             $cell1 = new html_table_cell(get_string('grade'));
 367             $cell2 = new html_table_cell($status->gradefordisplay);
 368             $row->cells = array($cell1, $cell2);
 369             $t->data[] = $row;
 370
 371             // Grade date.
 372             $row = new html_table_row();
 373             $cell1 = new html_table_cell(get_string('gradedon', 'assign'));
 374             $cell2 = new html_table_cell(userdate($status->gradeddate));
 375             $row->cells = array($cell1, $cell2);
 376             $t->data[] = $row;
 377         }
 378
 379         if ($status->grader) {
 380             // Grader.
 381             $row = new html_table_row();
 382             $cell1 = new html_table_cell(get_string('gradedby', 'assign'));
 383             $userdescription = $this->output->user_picture($status->grader) .
 384                                $this->output->spacer(array('width'=>30)) .
 385                                fullname($status->grader);
 386             $cell2 = new html_table_cell($userdescription);
 387             $row->cells = array($cell1, $cell2);
 388             $t->data[] = $row;
 389         }
 390
 391         foreach ($status->feedbackplugins as $plugin) {
 392             if ($plugin->is_enabled() &&
 393                     $plugin->is_visible() &&
 394                     $plugin->has_user_summary() &&
 395                     !empty($status->grade) &&
 396                     !$plugin->is_empty($status->grade)) {
 397
 398                 $row = new html_table_row();
 399                 $cell1 = new html_table_cell($plugin->get_name());
 400                 $displaymode = assign_feedback_plugin_feedback::SUMMARY;
 401                 $pluginfeedback = new assign_feedback_plugin_feedback($plugin,
 402                                                                       $status->grade,
 403                                                                       $displaymode,
 404                                                                       $status->coursemoduleid,
 405                                                                       $status->returnaction,
 406                                                                       $status->returnparams);
 407                 $cell2 = new html_table_cell($this->render($pluginfeedback));
 408                 $row->cells = array($cell1, $cell2);
 409                 $t->data[] = $row;
 410             }
 411         }
 412
 413         $o .= html_writer::table($t);
 414         $o .= $this->output->box_end();
 415
 416         $o .= $this->output->container_end();
 417         return $o;
 418     }
 419
 420     /**
 421      * Render a table containing the current status of the submission.
 422      *
 423      * @param assign_submission_status $status
 424      * @return string
 425      */
 426     public function render_assign_submission_status(assign_submission_status $status) {
 427         $o = '';
 428         $o .= $this->output->container_start('submissionstatustable');
 429         $o .= $this->output->heading(get_string('submissionstatusheading', 'assign'), 3);
 430         $time = time();
 431
 432         if ($status->allowsubmissionsfromdate &&
 433                 $time <= $status->allowsubmissionsfromdate) {
 434             $o .= $this->output->box_start('generalbox boxaligncenter submissionsalloweddates');
 435             if ($status->alwaysshowdescription) {
 436                 $date = userdate($status->allowsubmissionsfromdate);
 437                 $o .= get_string('allowsubmissionsfromdatesummary', 'assign', $date);
 438             } else {
 439                 $date = userdate($status->allowsubmissionsfromdate);
 440                 $o .= get_string('allowsubmissionsanddescriptionfromdatesummary', 'assign', $date);
 441             }
 442             $o .= $this->output->box_end();
 443         }
 444         $o .= $this->output->box_start('boxaligncenter submissionsummarytable');
 445
 446         $t = new html_table();
 447
 448         if ($status->teamsubmissionenabled) {
 449             $row = new html_table_row();
 450             $cell1 = new html_table_cell(get_string('submissionteam', 'assign'));
 451             $group = $status->submissiongroup;
 452             if ($group) {
 453                 $cell2 = new html_table_cell(format_string($group->name, false, $status->context));
 454             } else if ($status->preventsubmissionnotingroup) {
 455                 if (count($status->usergroups) == 0) {
 456                     $cell2 = new html_table_cell(get_string('noteam', 'assign'));
 457                 } else if (count($status->usergroups) > 1) {
 458                     $cell2 = new html_table_cell(get_string('multipleteams', 'assign'));
 459                 }
 460             } else {
 461                 $cell2 = new html_table_cell(get_string('defaultteam', 'assign'));
 462             }
 463             $row->cells = array($cell1, $cell2);
 464             $t->data[] = $row;
 465         }
 466
 467         if ($status->attemptreopenmethod != ASSIGN_ATTEMPT_REOPEN_METHOD_NONE) {
 468             $currentattempt = 1;
 469             if (!$status->teamsubmissionenabled) {
 470                 if ($status->submission) {
 471                     $currentattempt = $status->submission->attemptnumber + 1;
 472                 }
 473             } else {
 474                 if ($status->teamsubmission) {
 475                     $currentattempt = $status->teamsubmission->attemptnumber + 1;
 476                 }
 477             }
 478
 479             $row = new html_table_row();
 480             $cell1 = new html_table_cell(get_string('attemptnumber', 'assign'));
 481             $maxattempts = $status->maxattempts;
 482             if ($maxattempts == ASSIGN_UNLIMITED_ATTEMPTS) {
 483                 $message = get_string('currentattempt', 'assign', $currentattempt);
 484             } else {
 485                 $message = get_string('currentattemptof', 'assign', array('attemptnumber'=>$currentattempt,
 486                                                                           'maxattempts'=>$maxattempts));
 487             }
 488             $cell2 = new html_table_cell($message);
 489             $row->cells = array($cell1, $cell2);
 490             $t->data[] = $row;
 491         }
 492
 493         $row = new html_table_row();
 494         $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 495         if (!$status->teamsubmissionenabled) {
 496             if ($status->submission && $status->submission->status != ASSIGN_SUBMISSION_STATUS_NEW) {
 497                 $statusstr = get_string('submissionstatus_' . $status->submission->status, 'assign');
 498                 $cell2 = new html_table_cell($statusstr);
 499                 $cell2->attributes = array('class'=>'submissionstatus' . $status->submission->status);
 500             } else {
 501                 if (!$status->submissionsenabled) {
 502                     $cell2 = new html_table_cell(get_string('noonlinesubmissions', 'assign'));
 503                 } else {
 504                     $cell2 = new html_table_cell(get_string('noattempt', 'assign'));
 505                 }
 506             }
 507             $row->cells = array($cell1, $cell2);
 508             $t->data[] = $row;
 509         } else {
 510             $row = new html_table_row();
 511             $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 512             $group = $status->submissiongroup;
 513             if (!$group && $status->preventsubmissionnotingroup) {
 514                 $cell2 = new html_table_cell(get_string('nosubmission', 'assign'));
 515             } else if ($status->teamsubmission && $status->teamsubmission->status != ASSIGN_SUBMISSION_STATUS_NEW) {
 516                 $teamstatus = $status->teamsubmission->status;
 517                 $submissionsummary = get_string('submissionstatus_' . $teamstatus, 'assign');
 518                 $groupid = 0;
 519                 if ($status->submissiongroup) {
 520                     $groupid = $status->submissiongroup->id;
 521                 }
 522
 523                 $members = $status->submissiongroupmemberswhoneedtosubmit;
 524                 $userslist = array();
 525                 foreach ($members as $member) {
 526                     $urlparams = array('id' => $member->id, 'course'=>$status->courseid);
 527                     $url = new moodle_url('/user/view.php', $urlparams);
 528                     if ($status->view == assign_submission_status::GRADER_VIEW && $status->blindmarking) {
 529                         $userslist[] = $member->alias;
 530                     } else {
 531                         $fullname = fullname($member, $status->canviewfullnames);
 532                         $userslist[] = $this->output->action_link($url, $fullname);
 533                     }
 534                 }
 535                 if (count($userslist) > 0) {
 536                     $userstr = join(', ', $userslist);
 537                     $formatteduserstr = get_string('userswhoneedtosubmit', 'assign', $userstr);
 538                     $submissionsummary .= $this->output->container($formatteduserstr);
 539                 }
 540
 541                 $cell2 = new html_table_cell($submissionsummary);
 542                 $cell2->attributes = array('class'=>'submissionstatus' . $status->teamsubmission->status);
 543             } else {
 544                 $cell2 = new html_table_cell(get_string('nosubmission', 'assign'));
 545                 if (!$status->submissionsenabled) {
 546                     $cell2 = new html_table_cell(get_string('noonlinesubmissions', 'assign'));
 547                 } else {
 548                     $cell2 = new html_table_cell(get_string('nosubmission', 'assign'));
 549                 }
 550             }
 551             $row->cells = array($cell1, $cell2);
 552             $t->data[] = $row;
 553         }
 554
 555         // Is locked?
 556         if ($status->locked) {
 557             $row = new html_table_row();
 558             $cell1 = new html_table_cell();
 559             $cell2 = new html_table_cell(get_string('submissionslocked', 'assign'));
 560             $cell2->attributes = array('class'=>'submissionlocked');
 561             $row->cells = array($cell1, $cell2);
 562             $t->data[] = $row;
 563         }
 564
 565         // Grading status.
 566         $row = new html_table_row();
 567         $cell1 = new html_table_cell(get_string('gradingstatus', 'assign'));
 568
 569         if ($status->gradingstatus == ASSIGN_GRADING_STATUS_GRADED ||
 570             $status->gradingstatus == ASSIGN_GRADING_STATUS_NOT_GRADED) {
 571             $cell2 = new html_table_cell(get_string($status->gradingstatus, 'assign'));
 572         } else {
 573             $gradingstatus = 'markingworkflowstate' . $status->gradingstatus;
 574             $cell2 = new html_table_cell(get_string($gradingstatus, 'assign'));
 575         }
 576         if ($status->gradingstatus == ASSIGN_GRADING_STATUS_GRADED ||
 577             $status->gradingstatus == ASSIGN_MARKING_WORKFLOW_STATE_RELEASED) {
 578             $cell2->attributes = array('class' => 'submissiongraded');
 579         } else {
 580             $cell2->attributes = array('class' => 'submissionnotgraded');
 581         }
 582         $row->cells = array($cell1, $cell2);
 583         $t->data[] = $row;
 584
 585         $submission = $status->teamsubmission ? $status->teamsubmission : $status->submission;
 586         $duedate = $status->duedate;
 587         if ($duedate > 0) {
 588             // Due date.
 589             $row = new html_table_row();
 590             $cell1 = new html_table_cell(get_string('duedate', 'assign'));
 591             $cell2 = new html_table_cell(userdate($duedate));
 592             $row->cells = array($cell1, $cell2);
 593             $t->data[] = $row;
 594
 595             if ($status->view == assign_submission_status::GRADER_VIEW) {
 596                 if ($status->cutoffdate) {
 597                     // Cut off date.
 598                     $row = new html_table_row();
 599                     $cell1 = new html_table_cell(get_string('cutoffdate', 'assign'));
 600                     $cell2 = new html_table_cell(userdate($status->cutoffdate));
 601                     $row->cells = array($cell1, $cell2);
 602                     $t->data[] = $row;
 603                 }
 604             }
 605
 606             if ($status->extensionduedate) {
 607                 // Extension date.
 608                 $row = new html_table_row();
 609                 $cell1 = new html_table_cell(get_string('extensionduedate', 'assign'));
 610                 $cell2 = new html_table_cell(userdate($status->extensionduedate));
 611                 $row->cells = array($cell1, $cell2);
 612                 $t->data[] = $row;
 613                 $duedate = $status->extensionduedate;
 614             }
 615
 616             // Time remaining.
 617             $row = new html_table_row();
 618             $cell1 = new html_table_cell(get_string('timeremaining', 'assign'));
 619             if ($duedate - $time <= 0) {
 620                 if (!$submission ||
 621                         $submission->status != ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
 622                     if ($status->submissionsenabled) {
 623                         $overduestr = get_string('overdue', 'assign', format_time($time - $duedate));
 624                         $cell2 = new html_table_cell($overduestr);
 625                         $cell2->attributes = array('class'=>'overdue');
 626                     } else {
 627                         $cell2 = new html_table_cell(get_string('duedatereached', 'assign'));
 628                     }
 629                 } else {
 630                     if ($submission->timemodified > $duedate) {
 631                         $latestr = get_string('submittedlate',
 632                                               'assign',
 633                                               format_time($submission->timemodified - $duedate));
 634                         $cell2 = new html_table_cell($latestr);
 635                         $cell2->attributes = array('class'=>'latesubmission');
 636                     } else {
 637                         $earlystr = get_string('submittedearly',
 638                                                'assign',
 639                                                format_time($submission->timemodified - $duedate));
 640                         $cell2 = new html_table_cell($earlystr);
 641                         $cell2->attributes = array('class'=>'earlysubmission');
 642                     }
 643                 }
 644             } else {
 645                 $cell2 = new html_table_cell(format_time($duedate - $time));
 646             }
 647             $row->cells = array($cell1, $cell2);
 648             $t->data[] = $row;
 649         }
 650
 651         // Show graders whether this submission is editable by students.
 652         if ($status->view == assign_submission_status::GRADER_VIEW) {
 653             $row = new html_table_row();
 654             $cell1 = new html_table_cell(get_string('editingstatus', 'assign'));
 655             if ($status->canedit) {
 656                 $cell2 = new html_table_cell(get_string('submissioneditable', 'assign'));
 657                 $cell2->attributes = array('class'=>'submissioneditable');
 658             } else {
 659                 $cell2 = new html_table_cell(get_string('submissionnoteditable', 'assign'));
 660                 $cell2->attributes = array('class'=>'submissionnoteditable');
 661             }
 662             $row->cells = array($cell1, $cell2);
 663             $t->data[] = $row;
 664         }
 665
 666         // Grading criteria preview.
 667         if (!empty($status->gradingcontrollerpreview)) {
 668             $row = new html_table_row();
 669             $cell1 = new html_table_cell(get_string('gradingmethodpreview', 'assign'));
 670             $cell2 = new html_table_cell($status->gradingcontrollerpreview);
 671             $row->cells = array($cell1, $cell2);
 672             $t->data[] = $row;
 673         }
 674
 675         // Last modified.
 676         if ($submission) {
 677             $row = new html_table_row();
 678             $cell1 = new html_table_cell(get_string('timemodified', 'assign'));
 679             $cell2 = new html_table_cell(userdate($submission->timemodified));
 680             $row->cells = array($cell1, $cell2);
 681             $t->data[] = $row;
 682
 683             if (!$status->teamsubmission || $status->submissiongroup != false || !$status->preventsubmissionnotingroup) {
 684                 foreach ($status->submissionplugins as $plugin) {
 685                     $pluginshowsummary = !$plugin->is_empty($submission) || !$plugin->allow_submissions();
 686                     if ($plugin->is_enabled() &&
 687                         $plugin->is_visible() &&
 688                         $plugin->has_user_summary() &&
 689                         $pluginshowsummary
 690                     ) {
 691
 692                         $row = new html_table_row();
 693                         $cell1 = new html_table_cell($plugin->get_name());
 694                         $displaymode = assign_submission_plugin_submission::SUMMARY;
 695                         $pluginsubmission = new assign_submission_plugin_submission($plugin,
 696                             $submission,
 697                             $displaymode,
 698                             $status->coursemoduleid,
 699                             $status->returnaction,
 700                             $status->returnparams);
 701                         $cell2 = new html_table_cell($this->render($pluginsubmission));
 702                         $row->cells = array($cell1, $cell2);
 703                         $t->data[] = $row;
 704                     }
 705                 }
 706             }
 707         }
 708
 709         $o .= html_writer::table($t);
 710         $o .= $this->output->box_end();
 711
 712         // Links.
 713         if ($status->view == assign_submission_status::STUDENT_VIEW) {
 714             if ($status->canedit) {
 715                 if (!$submission || $submission->status == ASSIGN_SUBMISSION_STATUS_NEW) {
 716                     $o .= $this->output->box_start('generalbox submissionaction');
 717                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 718                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 719                                                        get_string('addsubmission', 'assign'), 'get');
 720                     $o .= $this->output->box_start('boxaligncenter submithelp');
 721                     $o .= get_string('editsubmission_help', 'assign');
 722                     $o .= $this->output->box_end();
 723                     $o .= $this->output->box_end();
 724                 } else if ($submission->status == ASSIGN_SUBMISSION_STATUS_REOPENED) {
 725                     $o .= $this->output->box_start('generalbox submissionaction');
 726                     $urlparams = array('id' => $status->coursemoduleid,
 727                                        'action' => 'editprevioussubmission',
 728                                        'sesskey'=>sesskey());
 729                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 730                                                        get_string('addnewattemptfromprevious', 'assign'), 'get');
 731                     $o .= $this->output->box_start('boxaligncenter submithelp');
 732                     $o .= get_string('addnewattemptfromprevious_help', 'assign');
 733                     $o .= $this->output->box_end();
 734                     $o .= $this->output->box_end();
 735                     $o .= $this->output->box_start('generalbox submissionaction');
 736                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 737                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 738                                                        get_string('addnewattempt', 'assign'), 'get');
 739                     $o .= $this->output->box_start('boxaligncenter submithelp');
 740                     $o .= get_string('addnewattempt_help', 'assign');
 741                     $o .= $this->output->box_end();
 742                     $o .= $this->output->box_end();
 743                 } else {
 744                     $o .= $this->output->box_start('generalbox submissionaction');
 745                     $urlparams = array('id' => $status->coursemoduleid, 'action' => 'editsubmission');
 746                     $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 747                                                        get_string('editsubmission', 'assign'), 'get');
 748                     $o .= $this->output->box_start('boxaligncenter submithelp');
 749                     $o .= get_string('editsubmission_help', 'assign');
 750                     $o .= $this->output->box_end();
 751                     $o .= $this->output->box_end();
 752                 }
 753             }
 754
 755             if ($status->cansubmit) {
 756                 $urlparams = array('id' => $status->coursemoduleid, 'action'=>'submit');
 757                 $o .= $this->output->box_start('generalbox submissionaction');
 758                 $o .= $this->output->single_button(new moodle_url('/mod/assign/view.php', $urlparams),
 759                                                    get_string('submitassignment', 'assign'), 'get');
 760                 $o .= $this->output->box_start('boxaligncenter submithelp');
 761                 $o .= get_string('submitassignment_help', 'assign');
 762                 $o .= $this->output->box_end();
 763                 $o .= $this->output->box_end();
 764             }
 765         }
 766
 767         $o .= $this->output->container_end();
 768         return $o;
 769     }
 770
 771     /**
 772      * Output the attempt history for this assignment
 773      *
 774      * @param assign_attempt_history $history
 775      * @return string
 776      */
 777     public function render_assign_attempt_history(assign_attempt_history $history) {
 778         $o = '';
 779
 780         $submittedstr = get_string('submitted', 'assign');
 781         $gradestr = get_string('grade');
 782         $gradedonstr = get_string('gradedon', 'assign');
 783         $gradedbystr = get_string('gradedby', 'assign');
 784
 785         // Don't show the last one because it is the current submission.
 786         array_pop($history->submissions);
 787
 788         // Show newest to oldest.
 789         $history->submissions = array_reverse($history->submissions);
 790
 791         if (empty($history->submissions)) {
 792             return '';
 793         }
 794
 795         $containerid = 'attempthistory' . uniqid();
 796         $o .= $this->heading(get_string('attempthistory', 'assign'), 3);
 797         $o .= $this->box_start('attempthistory', $containerid);
 798
 799         foreach ($history->submissions as $i => $submission) {
 800             $grade = null;
 801             foreach ($history->grades as $onegrade) {
 802                 if ($onegrade->attemptnumber == $submission->attemptnumber) {
 803                     $grade = $onegrade;
 804                     break;
 805                 }
 806             }
 807
 808             $editbtn = '';
 809
 810             if ($submission) {
 811                 $submissionsummary = userdate($submission->timemodified);
 812             } else {
 813                 $submissionsummary = get_string('nosubmission', 'assign');
 814             }
 815
 816             $attemptsummaryparams = array('attemptnumber'=>$submission->attemptnumber+1,
 817                                           'submissionsummary'=>$submissionsummary);
 818             $o .= $this->heading(get_string('attemptheading', 'assign', $attemptsummaryparams), 4);
 819
 820             $t = new html_table();
 821
 822             if ($submission) {
 823                 $cell1 = new html_table_cell(get_string('submissionstatus', 'assign'));
 824                 $cell2 = new html_table_cell(get_string('submissionstatus_' . $submission->status, 'assign'));
 825                 $t->data[] = new html_table_row(array($cell1, $cell2));
 826
 827                 foreach ($history->submissionplugins as $plugin) {
 828                     $pluginshowsummary = !$plugin->is_empty($submission) || !$plugin->allow_submissions();
 829                     if ($plugin->is_enabled() &&
 830                             $plugin->is_visible() &&
 831                             $plugin->has_user_summary() &&
 832                             $pluginshowsummary) {
 833
 834                         $cell1 = new html_table_cell($plugin->get_name());
 835                         $pluginsubmission = new assign_submission_plugin_submission($plugin,
 836                                                                                     $submission,
 837                                                                                     assign_submission_plugin_submission::SUMMARY,
 838                                                                                     $history->coursemoduleid,
 839                                                                                     $history->returnaction,
 840                                                                                     $history->returnparams);
 841                         $cell2 = new html_table_cell($this->render($pluginsubmission));
 842
 843                         $t->data[] = new html_table_row(array($cell1, $cell2));
 844                     }
 845                 }
 846             }
 847
 848             if ($grade) {
 849                 // Heading 'feedback'.
 850                 $title = get_string('feedback', 'assign', $i);
 851                 $title .= $this->output->spacer(array('width'=>10));
 852                 if ($history->cangrade) {
 853                     // Edit previous feedback.
 854                     $returnparams = http_build_query($history->returnparams);
 855                     $urlparams = array('id' => $history->coursemoduleid,
 856                                    'rownum'=>$history->rownum,
 857                                    'useridlistid'=>$history->useridlistid,
 858                                    'attemptnumber'=>$grade->attemptnumber,
 859                                    'action'=>'grade',
 860                                    'returnaction'=>$history->returnaction,
 861                                    'returnparams'=>$returnparams);
 862                     $url = new moodle_url('/mod/assign/view.php', $urlparams);
 863                     $icon = new pix_icon('gradefeedback',
 864                                             get_string('editattemptfeedback', 'assign', $grade->attemptnumber+1),
 865                                             'mod_assign');
 866                     $title .= $this->output->action_icon($url, $icon);
 867                 }
 868                 $cell = new html_table_cell($title);
 869                 $cell->attributes['class'] = 'feedbacktitle';
 870                 $cell->colspan = 2;
 871                 $t->data[] = new html_table_row(array($cell));
 872
 873                 // Grade.
 874                 $cell1 = new html_table_cell($gradestr);
 875                 $cell2 = $grade->gradefordisplay;
 876                 $t->data[] = new html_table_row(array($cell1, $cell2));
 877
 878                 // Graded on.
 879                 $cell1 = new html_table_cell($gradedonstr);
 880                 $cell2 = new html_table_cell(userdate($grade->timemodified));
 881                 $t->data[] = new html_table_row(array($cell1, $cell2));
 882
 883                 // Graded by.
 884                 $cell1 = new html_table_cell($gradedbystr);
 885                 $cell2 = new html_table_cell($this->output->user_picture($grade->grader) .
 886                                              $this->output->spacer(array('width'=>30)) . fullname($grade->grader));
 887                 $t->data[] = new html_table_row(array($cell1, $cell2));
 888
 889                 // Feedback from plugins.
 890                 foreach ($history->feedbackplugins as $plugin) {
 891                     if ($plugin->is_enabled() &&
 892                         $plugin->is_visible() &&
 893                         $plugin->has_user_summary() &&
 894                         !$plugin->is_empty($grade)) {
 895
 896                         $cell1 = new html_table_cell($plugin->get_name());
 897                         $pluginfeedback = new assign_feedback_plugin_feedback(
 898                             $plugin, $grade, assign_feedback_plugin_feedback::SUMMARY, $history->coursemoduleid,
 899                             $history->returnaction, $history->returnparams
 900                         );
 901                         $cell2 = new html_table_cell($this->render($pluginfeedback));
 902                         $t->data[] = new html_table_row(array($cell1, $cell2));
 903                     }
 904
 905                 }
 906
 907             }
 908
 909             $o .= html_writer::table($t);
 910         }
 911         $o .= $this->box_end();
 912         $jsparams = array($containerid);
 913
 914         $this->page->requires->yui_module('moodle-mod_assign-history', 'Y.one("#' . $containerid . '").history');
 915
 916         return $o;
 917     }
 918
 919     /**
 920      * Render a submission plugin submission
 921      *
 922      * @param assign_submission_plugin_submission $submissionplugin
 923      * @return string
 924      */
 925     public function render_assign_submission_plugin_submission(assign_submission_plugin_submission $submissionplugin) {
 926         $o = '';
 927
 928         if ($submissionplugin->view == assign_submission_plugin_submission::SUMMARY) {
 929             $showviewlink = false;
 930             $summary = $submissionplugin->plugin->view_summary($submissionplugin->submission,
 931                                                                $showviewlink);
 932
 933             $classsuffix = $submissionplugin->plugin->get_subtype() .
 934                            '_' .
 935                            $submissionplugin->plugin->get_type() .
 936                            '_' .
 937                            $submissionplugin->submission->id;
 938
 939             $o .= $this->output->box_start('boxaligncenter plugincontentsummary summary_' . $classsuffix);
 940
 941             $link = '';
 942             if ($showviewlink) {
 943                 $previewstr = get_string('viewsubmission', 'assign');
 944                 $icon = $this->output->pix_icon('t/preview', $previewstr);
 945
 946                 $expandstr = get_string('viewfull', 'assign');
 947                 $options = array('class'=>'expandsummaryicon expand_' . $classsuffix);
 948                 $o .= $this->output->pix_icon('t/switch_plus', $expandstr, null, $options);
 949
 950                 $jsparams = array($submissionplugin->plugin->get_subtype(),
 951                                   $submissionplugin->plugin->get_type(),
 952                                   $submissionplugin->submission->id);
 953
 954                 $this->page->requires->js_init_call('M.mod_assign.init_plugin_summary', $jsparams);
 955
 956                 $action = 'viewplugin' . $submissionplugin->plugin->get_subtype();
 957                 $returnparams = http_build_query($submissionplugin->returnparams);
 958                 $link .= '<noscript>';
 959                 $urlparams = array('id' => $submissionplugin->coursemoduleid,
 960                                    'sid'=>$submissionplugin->submission->id,
 961                                    'plugin'=>$submissionplugin->plugin->get_type(),
 962                                    'action'=>$action,
 963                                    'returnaction'=>$submissionplugin->returnaction,
 964                                    'returnparams'=>$returnparams);
 965                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
 966                 $link .= $this->output->action_link($url, $icon);
 967                 $link .= '</noscript>';
 968
 969                 $link .= $this->output->spacer(array('width'=>15));
 970             }
 971
 972             $o .= $link . $summary;
 973             $o .= $this->output->box_end();
 974             if ($showviewlink) {
 975                 $o .= $this->output->box_start('boxaligncenter hidefull full_' . $classsuffix);
 976                 $classes = 'expandsummaryicon contract_' . $classsuffix;
 977                 $o .= $this->output->pix_icon('t/switch_minus',
 978                                               get_string('viewsummary', 'assign'),
 979                                               null,
 980                                               array('class'=>$classes));
 981                 $o .= $submissionplugin->plugin->view($submissionplugin->submission);
 982                 $o .= $this->output->box_end();
 983             }
 984         } else if ($submissionplugin->view == assign_submission_plugin_submission::FULL) {
 985             $o .= $this->output->box_start('boxaligncenter submissionfull');
 986             $o .= $submissionplugin->plugin->view($submissionplugin->submission);
 987             $o .= $this->output->box_end();
 988         }
 989
 990         return $o;
 991     }
 992
 993     /**
 994      * Render the grading table.
 995      *
 996      * @param assign_grading_table $table
 997      * @return string
 998      */
 999     public function render_assign_grading_table(assign_grading_table $table) {
1000         $o = '';
1001         $o .= $this->output->box_start('boxaligncenter gradingtable');
1002
1003         $this->page->requires->js_init_call('M.mod_assign.init_grading_table', array());
1004         $this->page->requires->string_for_js('nousersselected', 'assign');
1005         $this->page->requires->string_for_js('batchoperationconfirmgrantextension', 'assign');
1006         $this->page->requires->string_for_js('batchoperationconfirmlock', 'assign');
1007         $this->page->requires->string_for_js('batchoperationconfirmreverttodraft', 'assign');
1008         $this->page->requires->string_for_js('batchoperationconfirmunlock', 'assign');
1009         $this->page->requires->string_for_js('batchoperationconfirmaddattempt', 'assign');
1010         $this->page->requires->string_for_js('batchoperationconfirmsetmarkingworkflowstate', 'assign');
1011         $this->page->requires->string_for_js('batchoperationconfirmsetmarkingallocation', 'assign');
1012         $this->page->requires->string_for_js('editaction', 'assign');
1013         foreach ($table->plugingradingbatchoperations as $plugin => $operations) {
1014             foreach ($operations as $operation => $description) {
1015                 $this->page->requires->string_for_js('batchoperationconfirm' . $operation,
1016                                                      'assignfeedback_' . $plugin);
1017             }
1018         }
1019         $o .= $this->flexible_table($table, $table->get_rows_per_page(), true);
1020         $o .= $this->output->box_end();
1021
1022         return $o;
1023     }
1024
1025     /**
1026      * Render a feedback plugin feedback
1027      *
1028      * @param assign_feedback_plugin_feedback $feedbackplugin
1029      * @return string
1030      */
1031     public function render_assign_feedback_plugin_feedback(assign_feedback_plugin_feedback $feedbackplugin) {
1032         $o = '';
1033
1034         if ($feedbackplugin->view == assign_feedback_plugin_feedback::SUMMARY) {
1035             $showviewlink = false;
1036             $summary = $feedbackplugin->plugin->view_summary($feedbackplugin->grade, $showviewlink);
1037
1038             $classsuffix = $feedbackplugin->plugin->get_subtype() .
1039                            '_' .
1040                            $feedbackplugin->plugin->get_type() .
1041                            '_' .
1042                            $feedbackplugin->grade->id;
1043             $o .= $this->output->box_start('boxaligncenter plugincontentsummary summary_' . $classsuffix);
1044
1045             $link = '';
1046             if ($showviewlink) {
1047                 $previewstr = get_string('viewfeedback', 'assign');
1048                 $icon = $this->output->pix_icon('t/preview', $previewstr);
1049
1050                 $expandstr = get_string('viewfull', 'assign');
1051                 $options = array('class'=>'expandsummaryicon expand_' . $classsuffix);
1052                 $o .= $this->output->pix_icon('t/switch_plus', $expandstr, null, $options);
1053
1054                 $jsparams = array($feedbackplugin->plugin->get_subtype(),
1055                                   $feedbackplugin->plugin->get_type(),
1056                                   $feedbackplugin->grade->id);
1057                 $this->page->requires->js_init_call('M.mod_assign.init_plugin_summary', $jsparams);
1058
1059                 $urlparams = array('id' => $feedbackplugin->coursemoduleid,
1060                                    'gid'=>$feedbackplugin->grade->id,
1061                                    'plugin'=>$feedbackplugin->plugin->get_type(),
1062                                    'action'=>'viewplugin' . $feedbackplugin->plugin->get_subtype(),
1063                                    'returnaction'=>$feedbackplugin->returnaction,
1064                                    'returnparams'=>http_build_query($feedbackplugin->returnparams));
1065                 $url = new moodle_url('/mod/assign/view.php', $urlparams);
1066                 $link .= '<noscript>';
1067                 $link .= $this->output->action_link($url, $icon);
1068                 $link .= '</noscript>';
1069
1070                 $link .= $this->output->spacer(array('width'=>15));
1071             }
1072
1073             $o .= $link . $summary;
1074             $o .= $this->output->box_end();
1075             if ($showviewlink) {
1076                 $o .= $this->output->box_start('boxaligncenter hidefull full_' . $classsuffix);
1077                 $classes = 'expandsummaryicon contract_' . $classsuffix;
1078                 $o .= $this->output->pix_icon('t/switch_minus',
1079                                               get_string('viewsummary', 'assign'),
1080                                               null,
1081                                               array('class'=>$classes));
1082                 $o .= $feedbackplugin->plugin->view($feedbackplugin->grade);
1083                 $o .= $this->output->box_end();
1084             }
1085         } else if ($feedbackplugin->view == assign_feedback_plugin_feedback::FULL) {
1086             $o .= $this->output->box_start('boxaligncenter feedbackfull');
1087             $o .= $feedbackplugin->plugin->view($feedbackplugin->grade);
1088             $o .= $this->output->box_end();
1089         }
1090
1091         return $o;
1092     }
1093
1094     /**
1095      * Render a course index summary
1096      *
1097      * @param assign_course_index_summary $indexsummary
1098      * @return string
1099      */
1100     public function render_assign_course_index_summary(assign_course_index_summary $indexsummary) {
1101         $o = '';
1102
1103         $strplural = get_string('modulenameplural', 'assign');
1104         $strsectionname  = $indexsummary->courseformatname;
1105         $strduedate = get_string('duedate', 'assign');
1106         $strsubmission = get_string('submission', 'assign');
1107         $strgrade = get_string('grade');
1108
1109         $table = new html_table();
1110         if ($indexsummary->usesections) {
1111             $table->head  = array ($strsectionname, $strplural, $strduedate, $strsubmission, $strgrade);
1112             $table->align = array ('left', 'left', 'center', 'right', 'right');
1113         } else {
1114             $table->head  = array ($strplural, $strduedate, $strsubmission, $strgrade);
1115             $table->align = array ('left', 'left', 'center', 'right');
1116         }
1117         $table->data = array();
1118
1119         $currentsection = '';
1120         foreach ($indexsummary->assignments as $info) {
1121             $params = array('id' => $info['cmid']);
1122             $link = html_writer::link(new moodle_url('/mod/assign/view.php', $params),
1123                                       $info['cmname']);
1124             $due = $info['timedue'] ? userdate($info['timedue']) : '-';
1125
1126             $printsection = '';
1127             if ($indexsummary->usesections) {
1128                 if ($info['sectionname'] !== $currentsection) {
1129                     if ($info['sectionname']) {
1130                         $printsection = $info['sectionname'];
1131                     }
1132                     if ($currentsection !== '') {
1133                         $table->data[] = 'hr';
1134                     }
1135                     $currentsection = $info['sectionname'];
1136                 }
1137             }
1138
1139             if ($indexsummary->usesections) {
1140                 $row = array($printsection, $link, $due, $info['submissioninfo'], $info['gradeinfo']);
1141             } else {
1142                 $row = array($link, $due, $info['submissioninfo'], $info['gradeinfo']);
1143             }
1144             $table->data[] = $row;
1145         }
1146
1147         $o .= html_writer::table($table);
1148
1149         return $o;
1150     }
1151
1152
1153
1154     /**
1155      * Internal function - creates htmls structure suitable for YUI tree.
1156      *
1157      * @param assign_files $tree
1158      * @param array $dir
1159      * @return string
1160      */
1161     protected function htmllize_tree(assign_files $tree, $dir) {
1162         global $CFG;
1163         $yuiconfig = array();
1164         $yuiconfig['type'] = 'html';
1165
1166         if (empty($dir['subdirs']) and empty($dir['files'])) {
1167             return '';
1168         }
1169
1170         $result = '<ul>';
1171         foreach ($dir['subdirs'] as $subdir) {
1172             $image = $this->output->pix_icon(file_folder_icon(),
1173                                              $subdir['dirname'],
1174                                              'moodle',
1175                                              array('class'=>'icon'));
1176             $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'>' .
1177                        '<div>' . $image . ' ' . s($subdir['dirname']) . '</div> ' .
1178                        $this->htmllize_tree($tree, $subdir) .
1179                        '</li>';
1180         }
1181
1182         foreach ($dir['files'] as $file) {
1183             $filename = $file->get_filename();
1184             if ($CFG->enableplagiarism) {
1185                 require_once($CFG->libdir.'/plagiarismlib.php');
1186                 $plagiarismlinks = plagiarism_get_links(array('userid'=>$file->get_userid(),
1187                                                              'file'=>$file,
1188                                                              'cmid'=>$tree->cm->id,
1189                                                              'course'=>$tree->course));
1190             } else {
1191                 $plagiarismlinks = '';
1192             }
1193             $image = $this->output->pix_icon(file_file_icon($file),
1194                                              $filename,
1195                                              'moodle',
1196                                              array('class'=>'icon'));
1197             $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'>' .
1198                        '<div>' . $image . ' ' .
1199                                  $file->fileurl . ' ' .
1200                                  $plagiarismlinks .
1201                                  $file->portfoliobutton . '</div>' .
1202                        '</li>';
1203         }
1204
1205         $result .= '</ul>';
1206
1207         return $result;
1208     }
1209
1210     /**
1211      * Helper method dealing with the fact we can not just fetch the output of flexible_table
1212      *
1213      * @param flexible_table $table The table to render
1214      * @param int $rowsperpage How many assignments to render in a page
1215      * @param bool $displaylinks - Whether to render links in the table
1216      *                             (e.g. downloads would not enable this)
1217      * @return string HTML
1218      */
1219     protected function flexible_table(flexible_table $table, $rowsperpage, $displaylinks) {
1220
1221         $o = '';
1222         ob_start();
1223         $table->out($rowsperpage, $displaylinks);
1224         $o = ob_get_contents();
1225         ob_end_clean();
1226
1227         return $o;
1228     }
1229
1230     /**
1231      * Helper method dealing with the fact we can not just fetch the output of moodleforms
1232      *
1233      * @param moodleform $mform
1234      * @return string HTML
1235      */
1236     protected function moodleform(moodleform $mform) {
1237
1238         $o = '';
1239         ob_start();
1240         $mform->display();
1241         $o = ob_get_contents();
1242         ob_end_clean();
1243
1244         return $o;
1245     }
1246
1247 }
1248