mod/workshop/view.php

   1 <?php  // $Id$
   2
   3 /*************************************************
   4     ACTIONS handled are:
   5
   6     displayfinalgrade (for students)
   7     notavailable (for students)
   8     studentsview
   9     submitexample
  10     teachersview
  11     showdescription
  12     showallsubmissions
  13
  14 ************************************************/
  15
  16     require("../../config.php");
  17     require("lib.php");
  18     require("locallib.php");
  19
  20     $id     = required_param('id', PARAM_INT);    // Course Module ID
  21     $action = optional_param('action', '', PARAM_ALPHA);
  22     $sort   = optional_param('sort', 'lastname', PARAM_ALPHA);
  23     $dir    = optional_param('dir', 'ASC', PARAM_ALPHA);
  24
  25     $timenow = time();
  26
  27     // get some useful stuff...
  28     if (! $cm = get_coursemodule_from_id('workshop', $id)) {
  29         error("Course Module ID was incorrect");
  30     }
  31     if (! $course = get_record("course", "id", $cm->course)) {
  32         error("Course is misconfigured");
  33     }
  34     if (! $workshop = get_record("workshop", "id", $cm->instance)) {
  35         error("Course module is incorrect");
  36     }
  37
  38     require_login($course->id, false, $cm);
  39     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  40
  41     $strworkshops = get_string("modulenameplural", "workshop");
  42     $strworkshop  = get_string("modulename", "workshop");
  43     $straction = ($action) ? '-> '.get_string($action, 'workshop') : '';
  44
  45     // ...and if necessary set default action
  46     if (workshop_is_teacher($workshop)) {
  47         if (empty($action)) { // no action specified, either go straight to elements page else the admin page
  48             // has the assignment any elements
  49             if (count_records("workshop_elements", "workshopid", $workshop->id) >= $workshop->nelements) {
  50                 $action = "teachersview";
  51             }
  52             else {
  53                 redirect("assessments.php?action=editelements&id=$cm->id");
  54             }
  55         }
  56     } else { // it's a student then
  57         if (!$cm->visible) {
  58             notice(get_string("activityiscurrentlyhidden"));
  59         }
  60         if ($timenow < $workshop->submissionstart) {
  61             $action = 'notavailable';
  62         } else if (!$action) {
  63             if ($timenow < $workshop->assessmentend) {
  64                 $action = 'studentsview';
  65             } else {
  66                 $action = 'displayfinalgrade';
  67             }
  68         }
  69     }
  70
  71     // ...display header...
  72     print_header_simple(format_string($workshop->name), "",
  73                  "<a href=\"index.php?id=$course->id\">$strworkshops</a> ->
  74                   <a href=\"view.php?id=$cm->id\">".format_string($workshop->name,true)."</a> $straction",
  75                   "", "", true, update_module_button($cm->id, $course->id, $strworkshop), navmenu($course, $cm));
  76
  77
  78     // ...log activity...
  79     add_to_log($course->id, "workshop", "view", "view.php?id=$cm->id", $workshop->id, $cm->id);
  80
  81     if ($action == 'studentsview' and !workshop_is_student($workshop)) {
  82         $action = 'showdescription';
  83     }
  84
  85     /****************** display final grade (for students) ************************************/
  86     if ($action == 'displayfinalgrade' ) {
  87         require_capability('mod/workshop:participate', $context);
  88
  89         print_heading("<b><a href=\"view.php?id=$cm->id&amp;action=showdescription\">".
  90                 get_string("showdescription", 'workshop')."</a></b>");
  91         // show the final grades as stored in the tables...
  92         if ($submissions = workshop_get_user_submissions($workshop, $USER)) { // any submissions from user?
  93             print_heading(get_string("displayoffinalgrades", "workshop"));
  94             echo "<div class=\"boxaligncenter\"><table border=\"1\" width=\"90%\"><tr>";
  95             echo "<td><b>".get_string("submissions", "workshop")."</b></td>";
  96             if ($workshop->wtype) {
  97                 echo "<td align=\"center\"><b>".get_string("assessmentsdone", "workshop")."</b></td>";
  98                 echo "<td align=\"center\"><b>".get_string("gradeforassessments", "workshop")."</b></td>";
  99             }
 100             echo "<td align=\"center\"><b>".get_string("teacherassessments", "workshop",
 101                         $course->teacher)."</b></td>";
 102             if ($workshop->wtype) {
 103                 echo "<td align=\"center\"><b>".get_string("studentassessments", "workshop",
 104                         $course->student)."</b></td>";
 105             }
 106             echo "<td align=\"center\"><b>".get_string("gradeforsubmission", "workshop")."</b></td>";
 107             echo "<td align=\"center\"><b>".get_string("overallgrade", "workshop")."</b></td></tr>\n";
 108             foreach ($submissions as $submission) {
 109                 $grade = workshop_submission_grade($workshop, $submission);
 110                 echo "<tr><td>".workshop_print_submission_title($workshop, $submission)."</td>\n";
 111                 if ($workshop->wtype) {
 112                     echo "<td align=\"center\">".workshop_print_user_assessments($workshop, $USER, $gradinggrade)."</td>";
 113                     echo "<td align=\"center\">$gradinggrade</td>";
 114                 }
 115                 echo "<td align=\"center\">".workshop_print_submission_assessments($workshop,
 116                             $submission, "teacher")."</td>";
 117                 if ($workshop->wtype) {
 118                     echo "<td align=\"center\">".workshop_print_submission_assessments($workshop,
 119                             $submission, "student")."</td>";
 120                 }
 121                 echo "<td align=\"center\">$grade</td>";
 122                 echo "<td align=\"center\">".number_format($gradinggrade + $grade, 1)."</td></tr>\n";
 123             }
 124             echo "</table></div><br clear=\"all\" />\n";
 125             workshop_print_key($workshop);
 126         } else {
 127             print_heading(get_string('nowork', 'workshop'));
 128         }
 129         if ($workshop->showleaguetable) {
 130             workshop_print_league_table($workshop);
 131         }
 132     }
 133
 134
 135     /****************** assignment not available (for students)***********************/
 136     elseif ($action == 'notavailable') {
 137         print_heading(get_string("notavailable", "workshop"));
 138     }
 139
 140     /****************** student's view could be in 1 of 4 stages ***********************/
 141     elseif ($action == 'studentsview') {
 142         require_capability('mod/workshop:participate', $context);
 143
 144         // is a password needed?
 145         if ($workshop->usepassword) {
 146             $correctpass = false;
 147             if (isset($_POST['userpassword'])) {
 148                 if ($workshop->password == md5(trim($_POST['userpassword']))) {
 149                     $USER->workshoploggedin[$workshop->id] = true;
 150                     $correctpass = true;
 151                 }
 152             } elseif (isset($USER->workshoploggedin[$workshop->id])) {
 153                 $correctpass = true;
 154             }
 155
 156             if (!$correctpass) {
 157                 print_simple_box_start("center");
 158                 echo "<form id=\"password\" method=\"post\" action=\"view.php\">\n";
 159                 echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />\n";
 160                 echo "<table cellpadding=\"7px\">";
 161                 if (isset($_POST['userpassword'])) {
 162                     echo "<tr align=\"center\" style='color:#DF041E;'><td>".get_string("wrongpassword", "workshop").
 163                         "</td></tr>";
 164                 }
 165                 echo "<tr align=\"center\"><td>".get_string("passwordprotectedworkshop", "workshop", format_string($workshop->name)).
 166                     "</td></tr>";
 167                 echo "<tr align=\"center\"><td>".get_string("enterpassword", "workshop").
 168                     " <input type=\"password\" name=\"userpassword\" /></td></tr>";
 169
 170                 echo "<tr align=\"center\"><td>";
 171                 echo "<input type=\"button\" value=\"".get_string("cancel").
 172                     "\" onclick=\"parent.location='../../course/view.php?id=$course->id';\">  ";
 173                 echo "<input type=\"button\" value=\"".get_string("continue").
 174                     "\" onclick=\"document.password.submit();\" />";
 175                 echo "</td></tr></table>";
 176                 print_simple_box_end();
 177                 exit();
 178             }
 179         }
 180         workshop_print_assignment_info($workshop);
 181
 182         // if the student has not yet submitted show the full description
 183         if (!record_exists('workshop_submissions', 'workshopid', $workshop->id, 'userid', $USER->id)) {
 184             print_box(format_text($workshop->description, $workshop->format), 'generalbox', 'intro');
 185         } else {
 186             print_heading("<b><a href=\"view.php?id=$cm->id&amp;action=showdescription\">".
 187                 get_string("showdescription", 'workshop')."</a></b>");
 188         }
 189
 190         // in Stage 1? - are there any teacher's submissions? and...
 191         // ...has student assessed the required number of the teacher's submissions
 192         if ($workshop->ntassessments and (!workshop_test_user_assessments($workshop, $USER))) {
 193             print_heading(get_string("pleaseassesstheseexamplesfromtheteacher", "workshop",
 194                         $course->teacher));
 195             workshop_list_teacher_submissions($workshop, $USER);
 196         }
 197         // in stage 2? - submit own first attempt
 198         else {
 199             if ($workshop->ntassessments) {
 200                 // show assessment of the teacher's examples, there may be feedback from teacher
 201                 print_heading(get_string("yourassessmentsofexamplesfromtheteacher", "workshop",
 202                             $course->teacher));
 203                 workshop_list_teacher_submissions($workshop, $USER);
 204             }
 205             // has user submitted anything yet?
 206             if (!workshop_get_user_submissions($workshop, $USER)) {
 207                 if ($timenow < $workshop->submissionend) {
 208                     // print upload form
 209                     print_heading(get_string("submitassignmentusingform", "workshop").":");
 210                     workshop_print_upload_form($workshop);
 211                 } else {
 212                     print_heading(get_string("submissionsnolongerallowed", "workshop"));
 213                 }
 214             }
 215             // in stage 3? - grade other student's submissions, resubmit and list all submissions
 216             else {
 217                 // is self assessment used in this workshop?
 218                 if ($workshop->includeself) {
 219                     // prints a table if there are any submissions which have not been self assessed yet
 220                     workshop_list_self_assessments($workshop, $USER);
 221                 }
 222                 // if peer assessments are being done then show some  to assess...
 223                 if ($workshop->nsassessments and ($workshop->assessmentstart < $timenow and $workshop->assessmentend > $timenow)) {
 224                     workshop_list_student_submissions($workshop, $USER);
 225                 }
 226                 // ..and any they have already done (and have gone cold)...
 227                 if (workshop_count_user_assessments($workshop, $USER, "student")) {
 228                     print_heading(get_string("yourassessments", "workshop"));
 229                     workshop_list_assessed_submissions($workshop, $USER);
 230                 }
 231                 // list any assessments by teachers
 232                 if (workshop_count_teacher_assessments_by_user($workshop, $USER) and ($timenow > $workshop->releasegrades)) {
 233                     print_heading(get_string("assessmentsby", "workshop", $course->teachers));
 234                     workshop_list_teacher_assessments_by_user($workshop, $USER);
 235                 }
 236                 // ... and show peer assessments
 237                 if (workshop_count_peer_assessments($workshop, $USER)) {
 238                     print_heading(get_string("assessmentsby", "workshop", $course->students));
 239                     workshop_list_peer_assessments($workshop, $USER);
 240                 }
 241                 // list previous submissions
 242                 print_heading(get_string("yoursubmissions", "workshop"));
 243                 workshop_list_user_submissions($workshop, $USER);
 244
 245                 // are resubmissions allowed and the workshop is in submission/assessment phase?
 246                 if ($workshop->resubmit and ($timenow > $workshop->assessmentstart and $timenow < $workshop->submissionend)) {
 247                     // see if there are any cold assessments of the last submission
 248                     // if there are then print upload form
 249                     if ($submissions = workshop_get_user_submissions($workshop, $USER)) {
 250                         foreach ($submissions as $submission) {
 251                             $lastsubmission = $submission;
 252                             break;
 253                         }
 254                         $n = 0; // number of cold assessments (not include self assessments)
 255                         if ($assessments = workshop_get_assessments($lastsubmission)) {
 256                             foreach ($assessments as $assessment) {
 257                                 if ($assessment->userid <> $USER->id) {
 258                                     $n++;
 259                                 }
 260                             }
 261                         }
 262                         if ($n) {
 263                             echo "<hr size=\"1\" noshade=\"noshade\" />";
 264                             print_heading(get_string("submitrevisedassignment", "workshop").":");
 265                             workshop_print_upload_form($workshop);
 266                             echo "<hr size=\"1\" noshade=\"noshade\" />";
 267                         }
 268                     }
 269                 }
 270             }
 271         }
 272     }
 273
 274
 275     /****************** submission of example by teacher only***********************/
 276     elseif ($action == 'submitexample') {
 277
 278         require_capability('mod/workshop:manage', $context);
 279
 280         // list previous submissions from teacher
 281         workshop_list_user_submissions($workshop, $USER);
 282
 283         echo "<hr size=\"1\" noshade=\"noshade\" />";
 284
 285         // print upload form
 286         print_heading(get_string("submitexampleassignment", "workshop").":");
 287         workshop_print_upload_form($workshop);
 288
 289         print_heading("<a $CFG->frametarget href=\"view.php?id=$cm->id\">".get_string("cancel")."</a>");
 290     }
 291
 292
 293     /****************** teacher's view - display admin page  ************/
 294     elseif ($action == 'teachersview') {
 295
 296         require_capability('mod/workshop:manage', $context);
 297
 298         // automatically grade assessments if workshop has examples and/or peer assessments
 299         if ($workshop->gradingstrategy and ($workshop->ntassessments or $workshop->nsassessments)) {
 300             workshop_grade_assessments($workshop);
 301         }
 302
 303         /// Check to see if groups are being used in this workshop
 304         setup_and_print_groups($course, groupmode($course, $cm), "view.php?id=$cm->id");
 305         $currentgroup = get_current_group($course->id);
 306
 307         /// Print admin links
 308         echo "<table width=\"100%\"><tr><td>";
 309         echo "<a href=\"submissions.php?id=$cm->id&amp;action=adminlist\">".
 310             get_string("administration")."</a>\n";
 311
 312         echo '</td></tr>';
 313
 314         echo '<tr><td>';
 315         workshop_print_assignment_info($workshop);
 316         print_heading("<a href=\"view.php?id=$cm->id&amp;action=showdescription\">".
 317                get_string("showdescription", 'workshop')."</a>");
 318         echo '</td></tr>';
 319
 320         /// Print grade tables /////////////////////////////////////////////////
 321
 322         // display the teacher's submissions
 323         if ($workshop->ntassessments) {
 324             $table->head = array(get_string("examplesubmissions", "workshop"),
 325                 get_string("assessmentsby", "workshop", $course->teachers),
 326                 get_string("assessmentsby", "workshop", $course->students));
 327             $table->data = array();
 328             if ($submissions = workshop_get_teacher_submissions($workshop)) {
 329                 foreach ($submissions as $submission) {
 330                     $teacherassessments = workshop_print_submission_assessments($workshop, $submission, "teacher");
 331                     // If not yet assessed, show assess link
 332                     if ($teacherassessments == '&nbsp;') {
 333                         $teacherassessments = '<a href="assess.php?id='.
 334                             $cm->id.'&amp;sid='.$submission->id.'">'.get_string('assess', 'workshop').'</a>';
 335                     }
 336                     $title = workshop_print_submission_title($workshop, $submission).
 337                         " <a href=\"submissions.php?action=editsubmission&amp;id=$cm->id&amp;sid=$submission->id\">".
 338                         "<img src=\"$CFG->pixpath/t/edit.gif\" ".
 339                         'class="iconsmall" alt="'.get_string('edit').'" /></a>'.
 340                         " <a href=\"submissions.php?action=confirmdelete&amp;id=$cm->id&amp;sid=$submission->id\">".
 341                         "<img src=\"$CFG->pixpath/t/delete.gif\" ".
 342                         'class="iconsmall" alt="'.get_string('delete', 'workshop').'" /></a>';
 343                     $table->data[] = array($title, $teacherassessments,
 344                         workshop_print_submission_assessments($workshop, $submission, "student"));
 345                 }
 346             }
 347             // Put in a submission link
 348             $table->data[] = array("<b><a href=\"view.php?id=$cm->id&amp;action=submitexample\">".
 349                 get_string("submitexampleassignment", "workshop")."</a></b>".
 350                 helpbutton("submissionofexamples", get_string("submitexampleassignment", "workshop"), "workshop", true, false, '', true),
 351                 '&nbsp;', '&nbsp;');
 352             print_table($table);
 353             workshop_print_key($workshop);
 354         }
 355
 356         // Get all the students
 357         if (!$users = workshop_get_students($workshop)) {
 358             echo ('</table>');
 359             print_heading(get_string("nostudentsyet"));
 360             print_footer($course);
 361             exit;
 362         }
 363
 364         /// Now prepare table with student assessments and submissions
 365         $tablesort->data = array();
 366         $tablesort->sortdata = array();
 367         foreach ($users as $user) {
 368             // skip if student not in group
 369             if ($currentgroup) {
 370                 if (!ismember($currentgroup, $user->id)) {
 371                     continue;
 372                 }
 373             }
 374             if ($submissions = workshop_get_user_submissions($workshop, $user)) {
 375                 foreach ($submissions as $submission) {
 376                     $data = array();
 377                     $sortdata = array();
 378
 379                     $data[] = "<a name=\"userid$user->id\" href=\"{$CFG->wwwroot}/user/view.php?id=$user->id&amp;course=$course->id\">".
 380                         fullname($user).'</a>';
 381                     $sortdata['firstname'] = $user->firstname;
 382                     $sortdata['lastname'] = $user->lastname;
 383
 384                     if ($workshop->wtype) {
 385                         $data[] = workshop_print_user_assessments($workshop, $user, $gradinggrade);
 386
 387                         $data[] = $gradinggrade;
 388                         $sortdata['agrade'] = $gradinggrade;
 389                     }
 390
 391                     $data[] = workshop_print_submission_title($workshop, $submission).
 392                         " <a href=\"submissions.php?action=adminamendtitle&amp;id=$cm->id&amp;sid=$submission->id\">".
 393                         "<img src=\"$CFG->pixpath/t/edit.gif\" ".
 394                         'class="iconsmall" alt="'.get_string('amendtitle', 'workshop').'" /></a>'.
 395                         " <a href=\"submissions.php?action=confirmdelete&amp;id=$cm->id&amp;sid=$submission->id\">".
 396                         "<img src=\"$CFG->pixpath/t/delete.gif\" ".
 397                         'class="iconsmall" alt="'.get_string('delete', 'workshop').'" /></a>';
 398                     $sortdata['title'] = $submission->title;
 399
 400                     $data[] = userdate($submission->timecreated, get_string('datestr', 'workshop'));
 401                     $sortdata['date'] = $submission->timecreated;
 402
 403                     if (($tmp = workshop_print_submission_assessments($workshop, $submission, "teacher")) == '&nbsp;') {
 404                         $data[] = '<a href="assess.php?id='.
 405                             $cm->id.'&amp;sid='.$submission->id.'">'.get_string('assess', 'workshop').'</a>';
 406                         $sortdata['tassmnt'] = -1;
 407                     } else {
 408                         $data[] = $tmp;
 409                         $sortdata['tassmnt'] = 1; // GWD still have to fix this
 410                     }
 411
 412                     if ($workshop->wtype) {
 413                         $data[] = workshop_print_submission_assessments($workshop, $submission, "student");
 414                     }
 415
 416                     $grade = workshop_submission_grade($workshop, $submission);
 417                     $data[] = $grade;
 418                     $sortdata['sgrade'] = $grade;
 419
 420                     if ($workshop->wtype) {
 421                         $data[] = number_format($gradinggrade + $grade, 1);
 422                         $sortdata['ograde'] = $gradinggrade + $grade;
 423                     }
 424
 425                     $tablesort->data[] = $data;
 426                     $tablesort->sortdata[] = $sortdata;
 427                 }
 428             }
 429         }
 430
 431         function workshop_sortfunction($a, $b) {
 432            global $sort, $dir;
 433            if ($dir == 'ASC') {
 434                return ($a[$sort] > $b[$sort]);
 435            } else {
 436                return ($a[$sort] < $b[$sort]);
 437            }
 438         }
 439         uasort($tablesort->sortdata, 'workshop_sortfunction');
 440         $table->data = array();
 441         foreach($tablesort->sortdata as $key => $row) {
 442             $table->data[] = $tablesort->data[$key];
 443         }
 444
 445         if ($workshop->wtype) {
 446             $table->align = array ('left', 'center', 'center', 'left', 'center', 'center', 'center', 'center', 'center', 'center');
 447             $columns = array('firstname', 'lastname', 'agrade', 'title', 'date', 'tassmnt', 'sgrade', 'ograde');
 448         } else {
 449             $table->align = array ('left', 'left', 'center', 'center', 'center', 'center');
 450             $columns = array('firstname', 'lastname', 'title', 'date', 'tassmnt', 'ograde');
 451         }
 452         $table->width = "95%";
 453
 454         foreach ($columns as $column) {
 455             $string[$column] = get_string("$column", 'workshop');
 456             if ($sort != $column) {
 457                 $columnicon = '';
 458                 $columndir = 'ASC';
 459             } else {
 460                 $columndir = $dir == 'ASC' ? 'DESC':'ASC';
 461                 if ($column == 'lastaccess') {
 462                     $columnicon = $dir == 'ASC' ? 'up':'down';
 463                 } else {
 464                     $columnicon = $dir == 'ASC' ? 'down':'up';
 465                 }
 466                 $columnicon = " <img src=\"$CFG->pixpath/t/$columnicon.gif\" alt=\"$columnicon\" />";
 467
 468             }
 469             $$column = "<a href=\"view.php?id=$id&amp;sort=$column&amp;dir=$columndir\">".$string[$column]."</a>$columnicon";
 470         }
 471
 472         if ($workshop->wtype) {
 473             $table->head = array ("$firstname / $lastname", get_string("assmnts", "workshop"), $agrade,
 474                 $title, $date, $tassmnt, get_string('passmnts', 'workshop'), $sgrade, $ograde);
 475         } else {
 476             $table->head = array ("$firstname / $lastname", $title, $date, $tassmnt, $ograde);
 477         }
 478
 479         echo '<tr><td>';
 480         print_table($table);
 481         echo '</td></tr>';
 482         echo '<tr><td>';
 483         workshop_print_key($workshop);
 484         echo '</td></tr>';
 485
 486         // grading grade analysis
 487         unset($table);
 488         $table->head = array (get_string("count", "workshop"), get_string("mean", "workshop"),
 489             get_string("standarddeviation", "workshop"), get_string("maximum", "workshop"),
 490             get_string("minimum", "workshop"));
 491         $table->align = array ("center", "center", "center", "center", "center");
 492         $table->size = array ("*", "*", "*", "*", "*");
 493         $table->cellpadding = 2;
 494         $table->cellspacing = 0;
 495         if ($currentgroup) {
 496             $stats = get_record_sql("SELECT COUNT(*) as count, AVG(gradinggrade) AS mean,
 497                     STDDEV(gradinggrade) AS stddev, MIN(gradinggrade) AS min, MAX(gradinggrade) AS max
 498                     FROM {$CFG->prefix}groups_members g, {$CFG->prefix}workshop_assessments a
 499                     WHERE g.groupid = $currentgroup AND a.userid = g.userid AND a.timegraded > 0
 500                     AND a.workshopid = $workshop->id");
 501         } else { // no group/all participants
 502             $stats = get_record_sql("SELECT COUNT(*) as count, AVG(gradinggrade) AS mean,
 503                     STDDEV(gradinggrade) AS stddev, MIN(gradinggrade) AS min, MAX(gradinggrade) AS max
 504                     FROM {$CFG->prefix}workshop_assessments a
 505                     WHERE a.timegraded > 0 AND a.workshopid = $workshop->id");
 506         }
 507         $table->data[] = array($stats->count, number_format($stats->mean * $workshop->gradinggrade / 100, 1),
 508                 number_format($stats->stddev * $workshop->gradinggrade /100, 1),
 509                 number_format($stats->max * $workshop->gradinggrade / 100, 1),
 510                 number_format($stats->min* $workshop->gradinggrade / 100, 1));
 511         echo '<tr><td>';
 512         print_heading(get_string("gradinggrade", "workshop")." ".get_string("analysis", "workshop"));
 513         print_table($table);
 514         echo '</td></tr>';
 515
 516         if ($workshop->showleaguetable and time() > $workshop->assessmentend) {
 517             workshop_print_league_table($workshop);
 518             if ($workshop->anonymous) {
 519                 echo "<p>".get_string("namesnotshowntostudents", "workshop", $course->students)."</p>\n";
 520             }
 521         }
 522         echo '</table>';
 523     }
 524
 525
 526     /****************** show description  ************/
 527     elseif ($action == 'showdescription') {
 528         workshop_print_assignment_info($workshop);
 529         print_box(format_text($workshop->description, $workshop->format), 'generalbox', 'intro');
 530         if (isset($_SERVER["HTTP_REFERER"])) {
 531             print_continue(htmlentities($_SERVER["HTTP_REFERER"]));
 532         } else {
 533             print_continue("$CFG->wwwroot/course/view.php?id=$cm->id");
 534         }
 535     }
 536
 537
 538     /****************** teacher's view - list all submissions  ************/
 539     elseif ($action == 'allsubmissions') {
 540         require_capability('mod/workshop:manage', $context);
 541
 542         if ($submissions = get_records('workshop_submissions', 'workshopid', $workshop->id)) {
 543             foreach($submissions as $submission) {
 544                 $user = get_record('user', 'id', $submission->userid);
 545                 print_heading('"'.$submission->title.'" '.get_string('by', 'workshop').' '.fullname($user));
 546                 workshop_print_submission($workshop, $submission);
 547             }
 548         }
 549     }
 550
 551
 552     /*************** no man's land **************************************/
 553     else {
 554         error("Fatal Error: Unknown Action: ".$action."\n");
 555     }
 556
 557
 558     print_footer($course);
 559
 560 ?>