blocks/participants/block_participants.php

   1 <?PHP //$Id$
   2
   3 class block_participants extends block_list {
   4     function init() {
   5         $this->title = get_string('people');
   6         $this->version = 2007101509;
   7     }
   8
   9     function get_content() {
  10
  11         global $CFG, $COURSE;
  12
  13         if (empty($this->instance)) {
  14             $this->content = '';
  15             return $this->content;
  16         }
  17
  18         // the following 3 lines is need to pass _self_test();
  19         if (empty($this->instance->pageid)) {
  20             return '';
  21         }
  22
  23         $this->content = new object();
  24         $this->content->items = array();
  25         $this->content->icons = array();
  26         $this->content->footer = '';
  27
  28         /// MDL-13252 Always get the course context or else the context may be incorrect in the user/index.php
  29         if (!$currentcontext = get_context_instance(CONTEXT_COURSE, $COURSE->id)) {
  30             $this->content = '';
  31             return $this->content;
  32         }
  33
  34         if ($COURSE->id == SITEID) {
  35             if (!has_capability('moodle/site:viewparticipants', get_context_instance(CONTEXT_SYSTEM))) {
  36                 $this->content = '';
  37                 return $this->content;
  38             }
  39         } else {
  40             if (!has_capability('moodle/course:viewparticipants', $currentcontext)) {
  41                 $this->content = '';
  42                 return $this->content;
  43             }
  44         }
  45
  46         $this->content->items[] = '<a title="'.get_string('listofallpeople').'" href="'.
  47                                   $CFG->wwwroot.'/user/index.php?contextid='.$currentcontext->id.'">'.get_string('participants').'</a>';
  48         $this->content->icons[] = '<img src="'.$CFG->pixpath.'/i/users.gif" class="icon" alt="" />';
  49
  50         return $this->content;
  51     }
  52
  53     // my moodle can only have SITEID and it's redundant here, so take it away
  54     function applicable_formats() {
  55         return array('all' => true, 'my' => false, 'tag' => false);
  56     }
  57
  58 }
  59
  60 ?>