user/index.php

   1 <?PHP // $Id$
   2
   3 //  Lists all the users within a given course
   4
   5     require_once('../config.php');
   6     require_once($CFG->libdir.'/tablelib.php');
   7
   8     define('USER_SMALL_CLASS', 20);   // Below this is considered small
   9     define('USER_LARGE_CLASS', 200);  // Above this is considered large
  10     define('DEFAULT_PAGE_SIZE', 20);
  11     define('SHOW_ALL_PAGE_SIZE', 5000);
  12
  13     $group        = optional_param('group', -1, PARAM_INT);                   // Group to show
  14     $page         = optional_param('page', 0, PARAM_INT);                     // which page to show
  15     $perpage      = optional_param('perpage', DEFAULT_PAGE_SIZE, PARAM_INT);  // how many per page
  16     $mode         = optional_param('mode', NULL);                             // '0' for less details, '1' for more
  17     $accesssince  = optional_param('accesssince',0,PARAM_INT);               // filter by last access. -1 = never
  18     $search       = optional_param('search','',PARAM_CLEAN);
  19     $roleid       = optional_param('roleid', 0, PARAM_INT);                 // optional roleid
  20
  21     $contextid    = optional_param('contextid', 0, PARAM_INT);                 // one of this or
  22     $courseid     = optional_param('id', 0, PARAM_INT);                        // this are required
  23
  24     if ($contextid) {
  25         if (! $context = get_context_instance_by_id($contextid)) {
  26             error("Context ID is incorrect");
  27         }
  28         if (! $course = get_record('course', 'id', $context->instanceid)) {
  29             error("Course ID is incorrect");
  30         }
  31     } else {
  32         if (! $course = get_record('course', 'id', $courseid)) {
  33             error("Course ID is incorrect");
  34         }
  35         if (! $context = get_context_instance(CONTEXT_COURSE, $course->id)) {
  36             error("Context ID is incorrect");
  37         }
  38     }
  39     // not needed anymore
  40     unset($contextid);
  41     unset($courseid);
  42
  43     require_login($course);
  44
  45     $sitecontext = get_context_instance(CONTEXT_SYSTEM);
  46
  47     if (!has_capability('moodle/course:viewparticipants', $context)) {
  48         print_error('nopermissions');
  49     }
  50
  51     $rolenames = array();
  52     $avoidroles = array();
  53
  54     if ($roles = get_roles_used_in_context($context, true)) {
  55         // We should ONLY allow roles with moodle/course:view because otherwise we get little niggly issues
  56         // like MDL-8093
  57         // We should further exclude "admin" users (those with "doanything" at site level) because
  58         // Otherwise they appear in every participant list
  59
  60         $canviewroles    = get_roles_with_capability('moodle/course:view', CAP_ALLOW, $context);
  61         $doanythingroles = get_roles_with_capability('moodle/site:doanything', CAP_ALLOW, $sitecontext);
  62
  63         foreach ($roles as $role) {
  64             if (!isset($canviewroles[$role->id])) {   // Avoid this role (eg course creator)
  65                 $avoidroles[] = $role->id;
  66                 unset($roles[$role->id]);
  67                 continue;
  68             }
  69             if (isset($doanythingroles[$role->id])) {   // Avoid this role (ie admin)
  70                 $avoidroles[] = $role->id;
  71                 unset($roles[$role->id]);
  72                 continue;
  73             }
  74             $rolenames[$role->id] = strip_tags(role_get_name($role, $context));   // Used in menus etc later on
  75         }
  76     }
  77
  78     // no roles to display yet?
  79     if (empty($rolenames)) {
  80         if (has_capability('moodle/user:assign', $context)) {
  81             redirect($CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$context->id);
  82         } else {
  83             error ('No participants found for this course');
  84         }
  85     }
  86
  87     add_to_log($course->id, 'user', 'view all', 'index.php?id='.$course->id, '');
  88
  89     $bulkoperations = has_capability('moodle/course:bulkmessaging', $context);
  90
  91     $countries = get_list_of_countries();
  92
  93     $strnever = get_string('never');
  94
  95     $datestring->year  = get_string('year');
  96     $datestring->years = get_string('years');
  97     $datestring->day   = get_string('day');
  98     $datestring->days  = get_string('days');
  99     $datestring->hour  = get_string('hour');
 100     $datestring->hours = get_string('hours');
 101     $datestring->min   = get_string('min');
 102     $datestring->mins  = get_string('mins');
 103     $datestring->sec   = get_string('sec');
 104     $datestring->secs  = get_string('secs');
 105
 106     if ($mode !== NULL) {
 107         $SESSION->userindexmode = $fullmode = ($mode == 1);
 108     } else if (isset($SESSION->userindexmode)) {
 109         $fullmode = $SESSION->userindexmode;
 110     } else {
 111         $fullmode = false;
 112     }
 113
 114 /// Check to see if groups are being used in this forum
 115 /// and if so, set $currentgroup to reflect the current group
 116
 117     $groupmode    = groupmode($course);   // Groups are being used
 118     $currentgroup = get_and_set_current_group($course, $groupmode, $group);
 119
 120     if (!$currentgroup) {      // To make some other functions work better later
 121         $currentgroup  = NULL;
 122     }
 123
 124     $isseparategroups = ($course->groupmode == SEPARATEGROUPS and $course->groupmodeforce and
 125                          !has_capability('moodle/site:accessallgroups', $context));
 126
 127     if ($isseparategroups and (!$currentgroup) ) {
 128         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 129                      "<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> -> ".
 130                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 131         print_heading(get_string("notingroup", "forum"));
 132         print_footer($course);
 133         exit;
 134     }
 135
 136     // Should use this variable so that we don't break stuff every time a variable is added or changed.
 137     $baseurl = $CFG->wwwroot.'/user/index.php?contextid='.$context->id.'&amp;roleid='.$roleid.'&amp;id='.$course->id.'&amp;group='.$currentgroup.'&amp;perpage='.$perpage.'&amp;accesssince='.$accesssince.'&amp;search='.s($search);
 138
 139 /// Print headers
 140
 141     if ($course->id != SITEID) {
 142         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 143                      "<a href=\"../course/view.php?id=$course->id\">$course->shortname</a> -> ".
 144                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 145     } else {
 146         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 147                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 148     }
 149
 150
 151
 152 /// setting up tags
 153     if ($course->id == SITEID) {
 154         $filtertype = 'site';
 155     } else if ($course->id && !$currentgroup) {
 156         $filtertype = 'course';
 157         $filterselect = $course->id;
 158     } else {
 159         $filtertype = 'group';
 160         $filterselect = $currentgroup;
 161     }
 162     $currenttab = 'participants';
 163     $user = $USER;
 164
 165     require_once($CFG->dirroot .'/user/tabs.php');
 166
 167
 168 /// Get the hidden field list
 169     if (has_capability('moodle/course:viewhiddenuserfields', $context)) {
 170         $hiddenfields = array();  // teachers and admins are allowed to see everything
 171     } else {
 172         $hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
 173     }
 174
 175
 176 /// Print settings and things in a table across the top
 177
 178     echo '<table class="controls" cellspacing="0"><tr>';
 179
 180 /// Print my course menus
 181     if ($mycourses = get_my_courses($USER->id)) {
 182         echo '<td class="left">';
 183         $courselist = array();
 184         foreach ($mycourses as $mycourse) {
 185             $courselist[$mycourse->id] = format_string($mycourse->shortname);
 186         }
 187         popup_form($CFG->wwwroot.'/user/index.php?roleid='.$roleid.'&amp;sifirst=&amp;silast=&amp;id=',
 188                    $courselist, 'courseform', $course->id, '', '', '', false, 'self', get_string('mycourses'));
 189         echo '</td>';
 190     }
 191
 192     echo '<td class="left">';
 193     setup_and_print_groups($course, $groupmode, $baseurl);
 194     echo '</td>';
 195
 196     // get minimum lastaccess for this course and display a dropbox to filter by lastaccess going back this far.
 197     // this might not work anymore because you always going to get yourself as the most recent entry? added $USER!=$user ch
 198     $minlastaccess = get_field_sql('SELECT min(timeaccess) FROM '.$CFG->prefix.'user_lastaccess WHERE courseid = '.$course->id.' AND timeaccess != 0 AND userid!='.$USER->id);
 199     $lastaccess0exists = record_exists('user_lastaccess','courseid',$course->id,'timeaccess',0);
 200     $now = usergetmidnight(time());
 201     $timeaccess = array();
 202
 203     // makes sense for this to go first.
 204     $timeoptions[0] = get_string('selectperiod');
 205
 206     // days
 207     for ($i = 1; $i < 7; $i++) {
 208         if (strtotime('-'.$i.' days',$now) >= $minlastaccess) {
 209             $timeoptions[strtotime('-'.$i.' days',$now)] = get_string('numdays','moodle',$i);
 210         }
 211     }
 212     // weeks
 213     for ($i = 1; $i < 10; $i++) {
 214         if (strtotime('-'.$i.' weeks',$now) >= $minlastaccess) {
 215             $timeoptions[strtotime('-'.$i.' weeks',$now)] = get_string('numweeks','moodle',$i);
 216         }
 217     }
 218     // months
 219     for ($i = 2; $i < 12; $i++) {
 220         if (strtotime('-'.$i.' months',$now) >= $minlastaccess) {
 221             $timeoptions[strtotime('-'.$i.' months',$now)] = get_string('nummonths','moodle',$i);
 222         }
 223     }
 224     // try a year
 225     if (strtotime('-1 year',$now) >= $minlastaccess) {
 226         $timeoptions[strtotime('-1 year',$now)] = get_string('lastyear');
 227     }
 228
 229     if (!empty($lastaccess0exists)) {
 230         $timeoptions[-1] = get_string('never');
 231     }
 232
 233     if (count($timeoptions) > 1) {
 234         echo '<td class="left">';
 235         $baseurl = preg_replace('/&amp;accesssince='.$accesssince.'/','',$baseurl);
 236         popup_form($baseurl.'&amp;accesssince=',$timeoptions,'timeoptions',$accesssince, '', '', '', false, 'self', get_string('usersnoaccesssince'));
 237         echo '</td>';
 238     }
 239
 240
 241     echo '<td class="right">';
 242     $formatmenu = array( '0' => get_string('detailedless'),
 243                          '1' => get_string('detailedmore'));
 244     popup_form($baseurl.'&amp;mode=', $formatmenu, 'formatmenu', $fullmode, '', '', '', false, 'self', get_string('userlist'));
 245     echo '</td></tr></table>';
 246
 247     if ($currentgroup and (!$isseparategroups or has_capability('moodle/site:accessallgroups', $context))) {    /// Display info about the group
 248         if ($group = groups_get_group($currentgroup)) { //TODO:
 249             if (!empty($group->description) or (!empty($group->picture) and empty($group->hidepicture))) {
 250                 echo '<table class="groupinfobox"><tr><td class="left side picture">';
 251                 print_group_picture($group, $course->id, true, false, false);
 252                 echo '</td><td class="content">';
 253                 echo '<h3>'.$group->name;
 254                 if (has_capability('moodle/course:managegroups', $context)) {
 255                     echo '&nbsp;<a title="'.get_string('editgroupprofile').'" href="'.groups_group_edit_url($course->id, $group->id).'">';
 256                     echo '<img src="'.$CFG->pixpath.'/t/edit.gif" alt="'.get_string('editgroupprofile').'" />';
 257                     echo '</a>';
 258                 }
 259                 echo '</h3>';
 260                 echo format_text($group->description);
 261                 echo '</td></tr></table>';
 262             }
 263         }
 264     }
 265
 266
 267     /// Define a table showing a list of users in the current role selection
 268
 269     $tablecolumns = array('userpic', 'fullname');
 270     $tableheaders = array(get_string('userpic'), get_string('fullname'));
 271     if (!isset($hiddenfields['city'])) {
 272         $tablecolumns[] = 'city';
 273         $tableheaders[] = get_string('city');
 274     }
 275     if (!isset($hiddenfields['country'])) {
 276         $tablecolumns[] = 'country';
 277         $tableheaders[] = get_string('country');
 278     }
 279     if (!isset($hiddenfields['lastaccess'])) {
 280         $tablecolumns[] = 'lastaccess';
 281         $tableheaders[] = get_string('lastaccess');
 282     }
 283
 284     if ($course->enrolperiod) {
 285         $tablecolumns[] = 'timeend';
 286         $tableheaders[] = get_string('enrolmentend');
 287     }
 288
 289     if ($bulkoperations) {
 290         $tablecolumns[] = '';
 291         $tableheaders[] = get_string('select');
 292     }
 293
 294     $table = new flexible_table('user-index-participants-'.$course->id);
 295
 296     $table->define_columns($tablecolumns);
 297     $table->define_headers($tableheaders);
 298     $table->define_baseurl($baseurl);
 299
 300     $table->sortable(true, 'lastaccess', SORT_DESC);
 301
 302     $table->set_attribute('cellspacing', '0');
 303     $table->set_attribute('id', 'participants');
 304     $table->set_attribute('class', 'generaltable generalbox');
 305
 306     $table->set_control_variables(array(
 307                 TABLE_VAR_SORT    => 'ssort',
 308                 TABLE_VAR_HIDE    => 'shide',
 309                 TABLE_VAR_SHOW    => 'sshow',
 310                 TABLE_VAR_IFIRST  => 'sifirst',
 311                 TABLE_VAR_ILAST   => 'silast',
 312                 TABLE_VAR_PAGE    => 'spage'
 313                 ));
 314     $table->setup();
 315
 316
 317     // we are looking for all users with this role assigned in this context or higher
 318     if ($usercontexts = get_parent_contexts($context)) {
 319         $listofcontexts = '('.implode(',', $usercontexts).')';
 320     } else {
 321         $listofcontexts = '('.$sitecontext->id.')'; // must be site
 322     }
 323     if ($roleid) {
 324         $selectrole = " AND r.roleid = $roleid ";
 325     } else {
 326         $selectrole = " ";
 327     }
 328     $select = 'SELECT u.id, u.username, u.firstname, u.lastname, u.email, u.city, u.country, u.picture, u.lang, u.timezone, u.emailstop, u.maildisplay, ul.timeaccess AS lastaccess, r.hidden '; // s.lastaccess
 329     $select .= $course->enrolperiod?', r.timeend ':'';
 330
 331     $from   = "FROM {$CFG->prefix}user u INNER JOIN
 332     {$CFG->prefix}role_assignments r on u.id=r.userid LEFT OUTER JOIN
 333     {$CFG->prefix}user_lastaccess ul on (r.userid=ul.userid and ul.courseid = $course->id)";
 334
 335     $hiddensql = has_capability('moodle/role:viewhiddenassigns', $context)? '':' AND r.hidden = 0 ';
 336
 337     // exclude users with roles we are avoiding
 338     if ($avoidroles) {
 339         $adminroles = 'AND r.roleid NOT IN (';
 340         $adminroles .= implode(',', $avoidroles);
 341         $adminroles .= ')';
 342     } else {
 343         $adminroles = '';
 344     }
 345
 346     // join on 2 conditions
 347     // otherwise we run into the problem of having records in ul table, but not relevant course
 348     // and user record is not pulled out
 349     $where  = "WHERE (r.contextid = $context->id OR r.contextid in $listofcontexts)
 350         AND u.deleted = 0 $selectrole
 351         AND (ul.courseid = $course->id OR ul.courseid IS NULL)
 352         AND u.username != 'guest'
 353         $adminroles
 354         $hiddensql ";
 355         $where .= get_lastaccess_sql($accesssince);
 356
 357     $wheresearch = '';
 358
 359     if (!empty($search)) {
 360         $LIKE = sql_ilike();
 361         $fullname  = sql_fullname('u.firstname','u.lastname');
 362         $wheresearch .= ' AND ('. $fullname .' '. $LIKE .'\'%'. $search .'%\' OR email '. $LIKE .'\'%'. $search .'%\' OR idnumber '.$LIKE.' \'%'.$search.'%\') ';
 363
 364     }
 365
 366     if ($currentgroup) {    // Displaying a group by choice
 367         // FIX: TODO: This will not work if $currentgroup == 0, i.e. "those not in a group"
 368         $from  .= 'LEFT JOIN '.$CFG->prefix.'groups_members gm ON u.id = gm.userid ';
 369         $where .= ' AND gm.groupid = '.$currentgroup;
 370     }
 371
 372     $totalcount = count_records_sql('SELECT COUNT(distinct u.id) '.$from.$where);   // Each user could have > 1 role
 373
 374     if ($table->get_sql_where()) {
 375         $where .= ' AND '.$table->get_sql_where();
 376     }
 377
 378     if ($table->get_sql_sort()) {
 379         $sort = ' ORDER BY '.$table->get_sql_sort();
 380     } else {
 381         $sort = '';
 382     }
 383
 384     $matchcount = count_records_sql('SELECT COUNT(distinct u.id) '.$from.$where.$wheresearch);
 385
 386     $table->initialbars($totalcount > $perpage);
 387     $table->pagesize($perpage, $matchcount);
 388
 389     $userlist = get_records_sql($select.$from.$where.$wheresearch.$sort,
 390             $table->get_page_start(),  $table->get_page_size());
 391
 392     /// If there are multiple Roles in the course, then show a drop down menu for switching
 393
 394     if (count($rolenames) > 1) {
 395         echo '<div class="rolesform">';
 396         echo get_string('currentrole', 'role').': ';
 397         $rolenames = array(0 => get_string('all')) + $rolenames;
 398         popup_form("$CFG->wwwroot/user/index.php?contextid=$context->id&amp;sifirst=&amp;silast=&amp;roleid=", $rolenames,
 399                    'rolesform', $roleid, '');
 400     }
 401
 402     if ($roleid) {
 403         if (!$currentrole = get_record('role','id',$roleid)) {
 404             error('That role does not exist');
 405         }
 406         $a->number = $totalcount;
 407         $a->role = $currentrole->name;
 408         $heading = format_string(get_string('xuserswiththerole', 'role', $a));
 409         if (user_can_assign($context, $roleid)) {
 410             $heading .= ' <a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?roleid='.$roleid.'&amp;contextid='.$context->id.'">';
 411             $heading .= '<img src="'.$CFG->pixpath.'/i/edit.gif" class="icon" alt="" /></a>';
 412         }
 413         print_heading($heading, 'center', 3);
 414     } else {
 415         if ($matchcount < $totalcount) {
 416             print_heading(get_string('allparticipants').': '.$matchcount.'/'.$totalcount, '', 3);
 417         } else {
 418             print_heading(get_string('allparticipants').': '.$matchcount, '', 3);
 419         }
 420     }
 421
 422
 423     if ($bulkoperations) {
 424         echo '
 425         <script type="text/javascript">
 426         //<![CDATA[
 427         function checksubmit(form) {
 428             var destination = form.formaction.options[form.formaction.selectedIndex].value;
 429             if (destination == "" || !checkchecked(form)) {
 430                 form.formaction.selectedIndex = 0;
 431                 return false;
 432             } else {
 433                 return true;
 434             }
 435         }
 436
 437         function checkchecked(form) {
 438             var inputs = document.getElementsByTagName(\'INPUT\');
 439             var checked = false;
 440             inputs = filterByParent(inputs, function() {return form;});
 441             for(var i = 0; i < inputs.length; ++i) {
 442                 if (inputs[i].type == \'checkbox\' && inputs[i].checked) {
 443                     checked = true;
 444                 }
 445             }
 446             return checked;
 447         }
 448         //]]>
 449         </script>
 450             ';
 451         echo '<form action="action_redir.php" method="post" id="participantsform" onsubmit="return checksubmit(this);">';
 452         echo '<div>';
 453         echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
 454         echo '<input type="hidden" name="returnto" value="'.s($_SERVER['REQUEST_URI']).'" />';
 455     }
 456
 457     if ($CFG->longtimenosee > 0 && $CFG->longtimenosee < 1000 && $totalcount > 0) {
 458         echo '<p id="longtimenosee">('.get_string('unusedaccounts', '', $CFG->longtimenosee).')</p>';
 459     }
 460
 461     if ($fullmode) {    // Print simple listing
 462         if ($totalcount < 1) {
 463             print_heading(get_string('nothingtodisplay'));
 464         } else {
 465             if ($totalcount > $perpage) {
 466
 467                 $firstinitial = $table->get_initial_first();
 468                 $lastinitial  = $table->get_initial_last();
 469                 $strall = get_string('all');
 470                 $alpha  = explode(',', get_string('alphabet'));
 471
 472                 // Bar of first initials
 473
 474                 echo '<div class="initialbar firstinitial">'.get_string('firstname').' : ';
 475                 if(!empty($firstinitial)) {
 476                     echo '<a href="'.$baseurl.'&amp;sifirst=">'.$strall.'</a>';
 477                 } else {
 478                     echo '<strong>'.$strall.'</strong>';
 479                 }
 480                 foreach ($alpha as $letter) {
 481                     if ($letter == $firstinitial) {
 482                         echo ' <strong>'.$letter.'</strong>';
 483                     } else {
 484                         echo ' <a href="'.$baseurl.'&amp;sifirst='.$letter.'">'.$letter.'</a>';
 485                     }
 486                 }
 487                 echo '</div>';
 488
 489                 // Bar of last initials
 490
 491                 echo '<div class="initialbar lastinitial">'.get_string('lastname').' : ';
 492                 if(!empty($lastinitial)) {
 493                     echo '<a href="'.$baseurl.'&amp;silast=">'.$strall.'</a>';
 494                 } else {
 495                     echo '<strong>'.$strall.'</strong>';
 496                 }
 497                 foreach ($alpha as $letter) {
 498                     if ($letter == $lastinitial) {
 499                         echo ' <strong>'.$letter.'</strong>';
 500                     } else {
 501                         echo ' <a href="'.$baseurl.'&amp;silast='.$letter.'">'.$letter.'</a>';
 502                     }
 503                 }
 504                 echo '</div>';
 505
 506                 print_paging_bar($matchcount, intval($table->get_page_start() / $perpage), $perpage, $baseurl.'&amp;', 'spage');
 507             }
 508
 509             if ($matchcount > 0) {
 510                 foreach ($userlist as $user) {
 511                     print_user($user, $course, $bulkoperations);
 512                 }
 513
 514             } else {
 515                 print_heading(get_string('nothingtodisplay'));
 516             }
 517         }
 518
 519     } else {
 520         $countrysort = (strpos($sort, 'country') !== false);
 521         $timeformat = get_string('strftimedate');
 522
 523
 524         if (!empty($userlist))  {
 525             foreach ($userlist as $user) {
 526                 if ($user->hidden) {
 527                 // if the assignment is hidden, display icon
 528                     $hidden = "<img src=\"{$CFG->pixpath}/t/hide.gif\" alt=\"".get_string('hiddenassign')."\" class=\"hide-show-image\"/>";
 529                 } else {
 530                     $hidden = '';
 531                 }
 532
 533                 if ($user->lastaccess) {
 534                     $lastaccess = format_time(time() - $user->lastaccess, $datestring);
 535                 } else {
 536                     $lastaccess = $strnever;
 537                 }
 538
 539                 if (empty($user->country)) {
 540                     $country = '';
 541
 542                 } else {
 543                     if($countrysort) {
 544                         $country = '('.$user->country.') '.$countries[$user->country];
 545                     }
 546                     else {
 547                         $country = $countries[$user->country];
 548                     }
 549                 }
 550
 551                 $usercontext = get_context_instance(CONTEXT_USER, $user->id);
 552
 553                 if ($piclink = ($USER->id == $user->id || has_capability('moodle/user:viewdetails', $context) ||has_capability('moodle/user:viewdetails', $context))) {
 554                     $profilelink = '<strong><a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&amp;course='.$course->id.'">'.fullname($user).'</a></strong>';
 555                 } else {
 556                     $profilelink = '<strong>'.fullname($user).'</strong>';
 557                 }
 558
 559                 $data = array (
 560                         print_user_picture($user->id, $course->id, $user->picture, false, true, $piclink),
 561                         $profilelink);
 562
 563                 if (!isset($hiddenfields['city'])) {
 564                     $data[] = $user->city;
 565                 }
 566                 if (!isset($hiddenfields['country'])) {
 567                     $data[] = $country;
 568                 }
 569                 if (!isset($hiddenfields['lastaccess'])) {
 570                     $data[] = $lastaccess;
 571                 }
 572                 if ($course->enrolperiod) {
 573                     if ($user->timeend) {
 574                         $data[] = userdate($user->timeend, $timeformat);
 575                     } else {
 576                         $data[] = get_string('unlimited');
 577                     }
 578                 }
 579                 if ($bulkoperations) {
 580                     $data[] = '<input type="checkbox" name="user'.$user->id.'" />';
 581                 }
 582                 $table->add_data($data);
 583
 584             }
 585         }
 586
 587         $table->print_html();
 588
 589     }
 590
 591     if ($bulkoperations) {
 592         echo '<br /><div class="buttons">';
 593         echo '<input type="button" onclick="checkall()" value="'.get_string('selectall').'" /> ';
 594         echo '<input type="button" onclick="checknone()" value="'.get_string('deselectall').'" /> ';
 595         $displaylist = array();
 596         // fix for MDL-8885, only show this if user has capability
 597         if (has_capability('moodle/site:readallmessages', $context) && !empty($CFG->messaging)) {
 598             $displaylist['messageselect.php'] = get_string('messageselectadd');
 599         }
 600
 601         $displaylist['extendenrol.php'] = get_string('extendenrol');
 602         $displaylist['groupextendenrol.php'] = get_string('groupextendenrol');
 603
 604         helpbutton("participantswithselectedusers", get_string("withselectedusers"));
 605         choose_from_menu ($displaylist, "formaction", "", get_string("withselectedusers"), "if(checksubmit(this.form))this.form.submit();", "");
 606         echo '<input type="hidden" name="id" value="'.$course->id.'" />';
 607         echo '<input type="submit" value="' . get_string('ok') . '" />';
 608         echo '</div>';
 609         echo '</div>';
 610         echo '</form>';
 611
 612     }
 613
 614     if ($bulkoperations && $totalcount > ($perpage*3)) {
 615         echo '<form action="index.php"><div><input type="hidden" name="id" value="'.$course->id.'" />'.get_string('search').':&nbsp;'."\n";
 616         echo '<input type="text" name="search" value="'.s($search).'" />&nbsp;<input type="submit" value="'.get_string('search').'" /></div></form>'."\n";
 617     }
 618
 619     $perpageurl = preg_replace('/&amp;perpage=\d*/','', $baseurl);
 620     if ($perpage == SHOW_ALL_PAGE_SIZE) {
 621         echo '<div id="showall"><a href="'.$perpageurl.'&amp;perpage='.DEFAULT_PAGE_SIZE.'">'.get_string('showperpage', '', DEFAULT_PAGE_SIZE).'</a></div>';
 622
 623     } else if ($matchcount > 0 && $perpage < $matchcount) {
 624         echo '<div id="showall"><a href="'.$perpageurl.'&amp;perpage='.SHOW_ALL_PAGE_SIZE.'">'.get_string('showall', '', $matchcount).'</a></div>';
 625     }
 626
 627     print_footer($course);
 628
 629
 630
 631
 632 function get_lastaccess_sql($accesssince='') {
 633     if (empty($accesssince)) {
 634         return '';
 635     }
 636     if ($accesssince == -1) { // never
 637         return ' AND ul.timeaccess = 0';
 638     } else {
 639         return ' AND ul.timeaccess != 0 AND timeaccess < '.$accesssince;
 640     }
 641 }
 642
 643 ?>