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->id);
  44
  45     if (!has_capability('moodle/course:viewparticipants', $context)
  46             && !has_capability('moodle/site:viewparticipants', $context)) {
  47         print_error('nopermissions');
  48     }
  49
  50     $rolenames = array();
  51
  52     if ($roles = get_roles_used_in_context($context, true)) {
  53         // We should exclude "admin" users (those with "doanything" at site level) because
  54         // Otherwise they appear in every participant list
  55
  56         $sitecontext = get_context_instance(CONTEXT_SYSTEM);
  57         $doanythingroles = get_roles_with_capability('moodle/site:doanything', CAP_ALLOW, $sitecontext);
  58
  59         foreach ($roles as $role) {
  60             if (isset($doanythingroles[$role->id])) {   // Avoid this role (ie admin)
  61                 unset($roles[$role->id]);
  62                 continue;
  63             }
  64             $rolenames[$role->id] = strip_tags(format_string($role->name));   // Used in menus etc later on
  65         }
  66     }
  67
  68     // no roles to display yet?
  69     if (empty($rolenames)) {
  70         if (has_capability('moodle/user:assign', $context)) {
  71             redirect($CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$context->id);
  72         } else {
  73             error ('No participants found for this course');
  74         }
  75     }
  76
  77     if ($course->id == SITEID) {
  78         if (!has_capability('moodle/course:viewparticipants', get_context_instance(CONTEXT_SYSTEM, SITEID))) {
  79             print_header("$course->shortname: ".get_string('participants'), $course->fullname,
  80                          get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
  81             notice(get_string('sitepartlist'));
  82         }
  83     }
  84
  85     add_to_log($course->id, 'user', 'view all', 'index.php?id='.$course->id, '');
  86
  87     $bulkoperations = has_capability('moodle/course:bulkmessaging', $context);
  88
  89     $countries = get_list_of_countries();
  90
  91     $strnever = get_string('never');
  92
  93     $datestring->day   = get_string('day');
  94     $datestring->days  = get_string('days');
  95     $datestring->hour  = get_string('hour');
  96     $datestring->hours = get_string('hours');
  97     $datestring->min   = get_string('min');
  98     $datestring->mins  = get_string('mins');
  99     $datestring->sec   = get_string('sec');
 100     $datestring->secs  = get_string('secs');
 101
 102     if ($mode !== NULL) {
 103         $SESSION->userindexmode = $fullmode = ($mode == 1);
 104     } else if (isset($SESSION->userindexmode)) {
 105         $fullmode = $SESSION->userindexmode;
 106     } else {
 107         $fullmode = false;
 108     }
 109
 110 /// Check to see if groups are being used in this forum
 111 /// and if so, set $currentgroup to reflect the current group
 112
 113     $groupmode    = groupmode($course);   // Groups are being used
 114     $currentgroup = get_and_set_current_group($course, $groupmode, $group);
 115
 116     if (!$currentgroup) {      // To make some other functions work better later
 117         $currentgroup  = NULL;
 118     }
 119
 120     $isseparategroups = ($course->groupmode == SEPARATEGROUPS and $course->groupmodeforce and
 121                          !has_capability('moodle/site:accessallgroups', get_context_instance(CONTEXT_COURSE, $course->id)));
 122
 123     if ($isseparategroups and (!$currentgroup) ) {
 124         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 125                      "<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> -> ".
 126                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 127         print_heading(get_string("notingroup", "forum"));
 128         print_footer($course);
 129         exit;
 130     }
 131
 132     // Should use this variable so that we don't break stuff every time a variable is added or changed.
 133     $baseurl = $CFG->wwwroot.'/user/index.php?contextid='.$context->id.'&amp;roleid='.$roleid.'&amp;id='.$course->id.'&amp;group='.$currentgroup.'&amp;perpage='.$perpage.'&amp;accesssince='.$accesssince.'&amp;search='.$search;
 134
 135 /// Print headers
 136
 137     if ($course->id != SITEID) {
 138         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 139                      "<a href=\"../course/view.php?id=$course->id\">$course->shortname</a> -> ".
 140                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 141     } else {
 142         print_header("$course->shortname: ".get_string('participants'), $course->fullname,
 143                      get_string('participants'), "", "", true, "&nbsp;", navmenu($course));
 144     }
 145
 146
 147     //setting up tags
 148     if ($course->id == SITEID) {
 149         $filtertype = 'site';
 150     } else if ($course->id && !$currentgroup) {
 151         $filtertype = 'course';
 152         $filterselect = $course->id;
 153     } else {
 154         $filtertype = 'group';
 155         $filterselect = $currentgroup;
 156     }
 157     $currenttab = 'participants';
 158     $user = $USER;
 159
 160     require_once($CFG->dirroot .'/user/tabs.php');
 161
 162
 163 /// Get the hidden field list
 164     if (has_capability('moodle/course:viewhiddenuserfields', get_context_instance(CONTEXT_COURSE, $course->id))) {
 165         $hiddenfields = array();  // teachers and admins are allowed to see everything
 166     } else {
 167         $hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
 168     }
 169
 170
 171 /// Print settings and things in a table across the top
 172
 173     echo '<table class="controls" cellspacing="0"><tr>';
 174
 175 /// Print my course menus
 176     if ($mycourses = get_my_courses($USER->id)) {
 177         echo '<td class="left">';
 178         print_string('mycourses');
 179         echo ': ';
 180
 181         $courselist = array();
 182         foreach ($mycourses as $mycourse) {
 183             $courselist[$mycourse->id] = $mycourse->shortname;
 184         }
 185         popup_form($CFG->wwwroot.'/user/index.php?roleid='.$roleid.'&amp;sifirst=&amp;silast=&amp;id=',
 186                    $courselist, 'courseform',$course->id);
 187         echo '</td>';
 188     }
 189
 190     if ($groupmode == VISIBLEGROUPS or ($groupmode and has_capability('moodle/site:accessallgroups', get_context_instance(CONTEXT_COURSE, $course->id)))) {
 191         if ($groups_names = groups_get_groups_names($course->id)) { //TODO:
 192             echo '<td class="left">';
 193             print_group_menu($groups_names, $groupmode, $currentgroup, $baseurl);
 194             echo '</td>';
 195         }
 196     }
 197
 198     // get minimum lastaccess for this course and display a dropbox to filter by lastaccess going back this far.
 199     // this might not work anymore because you always going to get yourself as the most recent entry? added $USER!=$user ch
 200     $minlastaccess = get_field_sql('SELECT min(timeaccess) FROM '.$CFG->prefix.'user_lastaccess WHERE courseid = '.$course->id.' AND timeaccess != 0 AND userid!='.$USER->id);
 201     $lastaccess0exists = record_exists('user_lastaccess','courseid',$course->id,'timeaccess',0);
 202     $now = usergetmidnight(time());
 203     $timeaccess = array();
 204
 205     // makes sense for this to go first.
 206     $timeoptions[0] = get_string('selectperiod');
 207
 208     // days
 209     for ($i = 1; $i < 7; $i++) {
 210         if (strtotime('-'.$i.' days',$now) >= $minlastaccess) {
 211             $timeoptions[strtotime('-'.$i.' days',$now)] = get_string('numdays','moodle',$i);
 212         }
 213     }
 214     // weeks
 215     for ($i = 1; $i < 10; $i++) {
 216         if (strtotime('-'.$i.' weeks',$now) >= $minlastaccess) {
 217             $timeoptions[strtotime('-'.$i.' weeks',$now)] = get_string('numweeks','moodle',$i);
 218         }
 219     }
 220     // months
 221     for ($i = 2; $i < 12; $i++) {
 222         if (strtotime('-'.$i.' months',$now) >= $minlastaccess) {
 223             $timeoptions[strtotime('-'.$i.' months',$now)] = get_string('nummonths','moodle',$i);
 224         }
 225     }
 226     // try a year
 227     if (strtotime('-1 year',$now) >= $minlastaccess) {
 228         $timeoptions[strtotime('-1 year',$now)] = get_string('lastyear');
 229     }
 230
 231     if (!empty($lastaccess0exists)) {
 232         $timeoptions[-1] = get_string('never');
 233     }
 234
 235     if (count($timeoptions) > 1) {
 236         echo '<td class="left">';
 237         echo get_string('usersnoaccesssince').': ';
 238         $baseurl = preg_replace('/&amp;accesssince='.$accesssince.'/','',$baseurl);
 239         echo popup_form($baseurl.'&amp;accesssince=',$timeoptions,'timeoptions',$accesssince,'','','',true);
 240         echo '</td>';
 241     }
 242
 243
 244     echo '<td class="right">';
 245     echo get_string('userlist').': ';
 246     $formatmenu = array( '0' => get_string('detailedless'),
 247                          '1' => get_string('detailedmore'));
 248     echo popup_form($baseurl.'&amp;mode=', $formatmenu, 'formatmenu', $fullmode, '', '', '', true);
 249     echo '</td></tr></table>';
 250
 251     if ($currentgroup and (!$isseparategroups or has_capability('moodle/site:accessallgroups', get_context_instance(CONTEXT_COURSE, $course->id)))) {    /// Display info about the group
 252         if ($group = groups_get_group($currentgroup)) { //TODO:
 253             if (!empty($group->description) or (!empty($group->picture) and empty($group->hidepicture))) {
 254                 echo '<table class="groupinfobox"><tr><td class="left side picture">';
 255                 print_group_picture($group, $course->id, true, false, false);
 256                 echo '</td><td class="content">';
 257                 echo '<h3>'.$group->name;
 258                 if (has_capability('moodle/course:managegroups', get_context_instance(CONTEXT_COURSE, $course->id))) {
 259                     echo '&nbsp;<a title="'.get_string('editgroupprofile').'" href="'.groups_group_edit_url($course->id, $group->id).'">';
 260                     echo '<img src="'.$CFG->pixpath.'/t/edit.gif" alt="'.get_string('editgroupprofile').'" />';
 261                     echo '</a>';
 262                 }
 263                 echo '</h3>';
 264                 echo format_text($group->description);
 265                 echo '</td></tr></table>';
 266             }
 267         }
 268     }
 269
 270
 271     /// Define a table showing a list of users in the current role selection
 272
 273     $tablecolumns = array('userpic', 'fullname');
 274     $tableheaders = array(get_string('userpic'), get_string('fullname'));
 275     if (!isset($hiddenfields['city'])) {
 276         $tablecolumns[] = 'city';
 277         $tableheaders[] = get_string('city');
 278     }
 279     if (!isset($hiddenfields['country'])) {
 280         $tablecolumns[] = 'country';
 281         $tableheaders[] = get_string('country');
 282     }
 283     if (!isset($hiddenfields['lastaccess'])) {
 284         $tablecolumns[] = 'lastaccess';
 285         $tableheaders[] = get_string('lastaccess');
 286     }
 287
 288     if ($course->enrolperiod) {
 289         $tablecolumns[] = 'timeend';
 290         $tableheaders[] = get_string('enrolmentend');
 291     }
 292
 293     if ($bulkoperations) {
 294         $tablecolumns[] = '';
 295         $tableheaders[] = get_string('select');
 296     }
 297
 298     $table = new flexible_table('user-index-participants-'.$course->id);
 299
 300     $table->define_columns($tablecolumns);
 301     $table->define_headers($tableheaders);
 302     $table->define_baseurl($baseurl);
 303
 304     $table->sortable(true, 'lastaccess', SORT_DESC);
 305
 306     $table->set_attribute('cellspacing', '0');
 307     $table->set_attribute('id', 'participants');
 308     $table->set_attribute('class', 'generaltable generalbox');
 309
 310     $table->set_control_variables(array(
 311                 TABLE_VAR_SORT    => 'ssort',
 312                 TABLE_VAR_HIDE    => 'shide',
 313                 TABLE_VAR_SHOW    => 'sshow',
 314                 TABLE_VAR_IFIRST  => 'sifirst',
 315                 TABLE_VAR_ILAST   => 'silast',
 316                 TABLE_VAR_PAGE    => 'spage'
 317                 ));
 318     $table->setup();
 319
 320
 321     // we are looking for all users with this role assigned in this context or higher
 322     if ($usercontexts = get_parent_contexts($context)) {
 323         $listofcontexts = '('.implode(',', $usercontexts).')';
 324     } else {
 325         $sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID);
 326         $listofcontexts = '('.$sitecontext->id.')'; // must be site
 327     }
 328     if ($roleid) {
 329         $selectrole = " AND r.roleid = $roleid ";
 330     } else {
 331         $selectrole = " ";
 332     }
 333     $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
 334     $select .= $course->enrolperiod?', r.timeend ':'';
 335
 336     $from   = "FROM {$CFG->prefix}user u INNER JOIN
 337     {$CFG->prefix}role_assignments r on u.id=r.userid LEFT OUTER JOIN
 338     {$CFG->prefix}user_lastaccess ul on (r.userid=ul.userid and ul.courseid = $course->id)";
 339
 340     $hiddensql = has_capability('moodle/role:viewhiddenassigns', $context)? '':' AND r.hidden = 0 ';
 341
 342     // excluse users with these admin role assignments
 343     if ($doanythingroles) {
 344         $adminroles = 'AND r.roleid NOT IN (';
 345
 346         foreach ($doanythingroles as $aroleid=>$role) {
 347             $adminroles .= "$aroleid,";
 348         }
 349         $adminroles = rtrim($adminroles,",");
 350         $adminroles .= ')';
 351     } else {
 352         $adminroles = '';
 353     }
 354
 355     // join on 2 conditions
 356     // otherwise we run into the problem of having records in ul table, but not relevant course
 357     // and user record is not pulled out
 358     $where  = "WHERE (r.contextid = $context->id OR r.contextid in $listofcontexts)
 359         AND u.deleted = 0 $selectrole
 360         AND (ul.courseid = $course->id OR ul.courseid IS NULL)
 361         AND u.username != 'guest'
 362         $adminroles
 363         $hiddensql ";
 364         $where .= get_lastaccess_sql($accesssince);
 365
 366     $wheresearch = '';
 367
 368     if (!empty($search)) {
 369         $LIKE = sql_ilike();
 370         $fullname  = sql_fullname('u.firstname','u.lastname');
 371         $wheresearch .= ' AND ('. $fullname .' '. $LIKE .'\'%'. $search .'%\' OR email '. $LIKE .'\'%'. $search .'%\' OR idnumber '.$LIKE.' \'%'.$search.'%\') ';
 372
 373     }
 374
 375     if ($currentgroup) {    // Displaying a group by choice
 376         // FIX: TODO: This will not work if $currentgroup == 0, i.e. "those not in a group"
 377         $from  .= 'LEFT JOIN '.$CFG->prefix.'groups_members gm ON u.id = gm.userid ';
 378         $where .= ' AND gm.groupid = '.$currentgroup;
 379     }
 380
 381     $totalcount = count_records_sql('SELECT COUNT(distinct u.id) '.$from.$where);   // Each user could have > 1 role
 382
 383     if ($table->get_sql_where()) {
 384         $where .= ' AND '.$table->get_sql_where();
 385     }
 386
 387     if ($table->get_sql_sort()) {
 388         $sort = ' ORDER BY '.$table->get_sql_sort();
 389     } else {
 390         $sort = '';
 391     }
 392
 393     $matchcount = count_records_sql('SELECT COUNT(distinct u.id) '.$from.$where.$wheresearch);
 394
 395     $table->initialbars($totalcount > $perpage);
 396     $table->pagesize($perpage, $matchcount);
 397
 398     $userlist = get_records_sql($select.$from.$where.$wheresearch.$sort,
 399             $table->get_page_start(),  $table->get_page_size());
 400
 401     /// If there are multiple Roles in the course, then show a drop down menu for switching
 402
 403     if (count($rolenames) > 1) {
 404         echo '<div class="rolesform">';
 405         echo get_string('currentrole', 'role').': ';
 406         $rolenames = array(0 => get_string('all')) + $rolenames;
 407         popup_form("$CFG->wwwroot/user/index.php?contextid=$context->id&amp;sifirst=&amp;silast=&amp;roleid=", $rolenames,
 408                    'rolesform', $roleid, '');
 409         echo '</div>';
 410     }
 411
 412     if ($roleid) {
 413         if (!$currentrole = get_record('role','id',$roleid)) {
 414             error('That role does not exist');
 415         }
 416         $a->number = $totalcount;
 417         $a->role = $currentrole->name;
 418         $heading = get_string('xuserswiththerole', 'role', $a);
 419         if (user_can_assign($context, $roleid)) {
 420             $heading .= ' <a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?roleid='.$roleid.'&amp;contextid='.$context->id.'">';
 421             $heading .= '<img src="'.$CFG->pixpath.'/i/edit.gif" class="icon" alt="" /></a>';
 422         }
 423         print_heading($heading, 'center', 3);
 424     } else {
 425         if ($matchcount < $totalcount) {
 426             print_heading(get_string('allparticipants').': '.$matchcount.'/'.$totalcount, '', 3);
 427         } else {
 428             print_heading(get_string('allparticipants').': '.$matchcount, '', 3);
 429         }
 430     }
 431
 432
 433     if ($bulkoperations) {
 434         echo '
 435         <script type="text/javascript">
 436         //<![CDATA[
 437         function checksubmit(form) {
 438             var destination = form.formaction.options[form.formaction.selectedIndex].value;
 439             if (destination == "" || !checkchecked(form)) {
 440                 form.formaction.selectedIndex = 0;
 441                 return false;
 442             } else {
 443                 return true;
 444             }
 445         }
 446
 447         function checkchecked(form) {
 448             var inputs = document.getElementsByTagName(\'INPUT\');
 449             var checked = false;
 450             inputs = filterByParent(inputs, function() {return form;});
 451             for(var i = 0; i < inputs.length; ++i) {
 452                 if (inputs[i].type == \'checkbox\' && inputs[i].checked) {
 453                     checked = true;
 454                 }
 455             }
 456             return checked;
 457         }
 458         //]]>
 459         </script>
 460             ';
 461         echo '<form action="action_redir.php" method="post" id="participantsform" onsubmit="return checksubmit(this);">';
 462         echo '<div>';
 463         // added url encode for xhtml strict MDL-7861
 464         echo '<input type="hidden" name="returnto" value="'.urlencode($_SERVER['REQUEST_URI']).'" />';
 465         echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
 466     }
 467
 468     if ($CFG->longtimenosee > 0 && $CFG->longtimenosee < 1000 && $totalcount > 0) {
 469         echo '<p id="longtimenosee">('.get_string('unusedaccounts', '', $CFG->longtimenosee).')</p>';
 470     }
 471
 472     if ($fullmode) {    // Print simple listing
 473         if ($totalcount < 1) {
 474             print_heading(get_string('nothingtodisplay'));
 475         } else {
 476             if ($totalcount > $perpage) {
 477
 478                 $firstinitial = $table->get_initial_first();
 479                 $lastinitial  = $table->get_initial_last();
 480                 $strall = get_string('all');
 481                 $alpha  = explode(',', get_string('alphabet'));
 482
 483                 // Bar of first initials
 484
 485                 echo '<div class="initialbar firstinitial">'.get_string('firstname').' : ';
 486                 if(!empty($firstinitial)) {
 487                     echo '<a href="'.$baseurl.'&amp;sifirst=">'.$strall.'</a>';
 488                 } else {
 489                     echo '<strong>'.$strall.'</strong>';
 490                 }
 491                 foreach ($alpha as $letter) {
 492                     if ($letter == $firstinitial) {
 493                         echo ' <strong>'.$letter.'</strong>';
 494                     } else {
 495                         echo ' <a href="'.$baseurl.'&amp;sifirst='.$letter.'">'.$letter.'</a>';
 496                     }
 497                 }
 498                 echo '</div>';
 499
 500                 // Bar of last initials
 501
 502                 echo '<div class="initialbar lastinitial">'.get_string('lastname').' : ';
 503                 if(!empty($lastinitial)) {
 504                     echo '<a href="'.$baseurl.'&amp;silast=">'.$strall.'</a>';
 505                 } else {
 506                     echo '<strong>'.$strall.'</strong>';
 507                 }
 508                 foreach ($alpha as $letter) {
 509                     if ($letter == $lastinitial) {
 510                         echo ' <strong>'.$letter.'</strong>';
 511                     } else {
 512                         echo ' <a href="'.$baseurl.'&amp;silast='.$letter.'">'.$letter.'</a>';
 513                     }
 514                 }
 515                 echo '</div>';
 516
 517                 print_paging_bar($matchcount, intval($table->get_page_start() / $perpage), $perpage, $baseurl.'&amp;', 'spage');
 518             }
 519
 520             if ($matchcount > 0) {
 521                 foreach ($userlist as $user) {
 522                     print_user($user, $course, $bulkoperations);
 523                 }
 524
 525             } else {
 526                 print_heading(get_string('nothingtodisplay'));
 527             }
 528         }
 529
 530     } else {
 531         $countrysort = (strpos($sort, 'country') !== false);
 532         $timeformat = get_string('strftimedate');
 533
 534
 535         if (!empty($userlist))  {
 536             foreach ($userlist as $user) {
 537                 if ($user->hidden) {
 538                 // if the assignment is hidden, display icon
 539                     $hidden = "<img src=\"{$CFG->pixpath}/t/hide.gif\" alt=\"".get_string('hiddenassign')."\" class=\"hide-show-image\"/>";
 540                 } else {
 541                     $hidden = '';
 542                 }
 543
 544                 if ($user->lastaccess) {
 545                     $lastaccess = format_time(time() - $user->lastaccess, $datestring);
 546                 } else {
 547                     $lastaccess = $strnever;
 548                 }
 549
 550                 if (empty($user->country)) {
 551                     $country = '';
 552
 553                 } else {
 554                     if($countrysort) {
 555                         $country = '('.$user->country.') '.$countries[$user->country];
 556                     }
 557                     else {
 558                         $country = $countries[$user->country];
 559                     }
 560                 }
 561
 562                 $usercontext = get_context_instance(CONTEXT_USER, $user->id);
 563
 564                 if ($piclink = ($USER->id == $user->id || has_capability('moodle/user:viewdetails', $context) ||has_capability('moodle/user:viewdetails', $context))) {
 565                     $profilelink = '<strong><a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&amp;course='.$course->id.'">'.fullname($user).'</a></strong>';
 566                 } else {
 567                     $profilelink = '<strong>'.fullname($user).'</strong>';
 568                 }
 569
 570                 $data = array (
 571                         print_user_picture($user->id, $course->id, $user->picture, false, true, $piclink),
 572                         $profilelink);
 573
 574                 if (!isset($hiddenfields['city'])) {
 575                     $data[] = $user->city;
 576                 }
 577                 if (!isset($hiddenfields['country'])) {
 578                     $data[] = $country;
 579                 }
 580                 if (!isset($hiddenfields['lastaccess'])) {
 581                     $data[] = $lastaccess;
 582                 }
 583                 if ($course->enrolperiod) {
 584                     if ($user->timeend) {
 585                         $data[] = userdate($user->timeend, $timeformat);
 586                     } else {
 587                         $data[] = get_string('unlimited');
 588                     }
 589                 }
 590                 if ($bulkoperations) {
 591                     $data[] = '<input type="checkbox" name="user'.$user->id.'" />';
 592                 }
 593                 $table->add_data($data);
 594
 595             }
 596         }
 597
 598         $table->print_html();
 599
 600     }
 601
 602     if ($bulkoperations) {
 603         echo '<br /><div class="buttons">';
 604         echo '<input type="button" onclick="checkall()" value="'.get_string('selectall').'" /> ';
 605         echo '<input type="button" onclick="checknone()" value="'.get_string('deselectall').'" /> ';
 606         $displaylist['messageselect.php'] = get_string('messageselectadd');
 607         if ($course->enrolperiod) {
 608             $displaylist['extendenrol.php'] = get_string('extendenrol');
 609         }
 610         helpbutton("participantswithselectedusers", get_string("withselectedusers"));
 611         choose_from_menu ($displaylist, "formaction", "", get_string("withselectedusers"), "if(checksubmit(this.form))this.form.submit();", "");
 612         echo '<input type="hidden" name="id" value="'.$course->id.'" />';
 613         echo '<input type="submit" value="' . get_string('ok') . '" />';
 614         echo '</div>';
 615         echo '</div>';
 616         echo '</form>';
 617     }
 618
 619     if ($bulkoperations && $totalcount > ($perpage*3)) {
 620         echo '<form action="index.php"><fieldset class="invisiblefieldset"><input type="hidden" name="id" value="'.$course->id.'" />'.get_string('search').':&nbsp;'."\n";
 621         echo '<input type="text" name="search" value="'.$search.'" />&nbsp;<input type="submit" value="'.get_string('search').'" /></fieldset></form>'."\n";
 622     }
 623
 624     if ($perpage == SHOW_ALL_PAGE_SIZE) {
 625         echo '<div id="showall"><a href="'.$baseurl.'&amp;perpage='.DEFAULT_PAGE_SIZE.'">'.get_string('showperpage', '', DEFAULT_PAGE_SIZE).'</a></div>';
 626
 627     } else if ($matchcount > 0 && $perpage < $matchcount) {
 628         echo '<div id="showall"><a href="'.$baseurl.'&amp;perpage='.SHOW_ALL_PAGE_SIZE.'">'.get_string('showall', '', $matchcount).'</a></div>';
 629     }
 630
 631     print_footer($course);
 632
 633
 634
 635
 636 function get_lastaccess_sql($accesssince='') {
 637     if (empty($accesssince)) {
 638         return '';
 639     }
 640     if ($accesssince == -1) { // never
 641         return ' AND ul.timeaccess = 0';
 642     } else {
 643         return ' AND ul.timeaccess != 0 AND timeaccess < '.$accesssince;
 644     }
 645 }
 646
 647 ?>