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block_uniquelogin_list.php
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block_uniquelogin_list.php
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<?php
/**
* This block needs to be reworked.
* The new roles system does away with the concepts of rigid student and
* teacher roles.
*/
require_once(dirname(__FILE__) . '/locallib.php');
class block_uniquelogin_list extends block_base {
function init() {
$this->title = get_string('pluginname','block_uniquelogin_list');
}
function get_content() {
global $USER, $CFG, $DB, $OUTPUT;
if ($this->content !== NULL) {
return $this->content;
}
$this->content = new stdClass;
$this->content->text = '';
$this->content->footer = '';
if (empty($this->instance)) {
return $this->content;
}
//Calculate if we are in separate groups
$isseparategroups = ($this->page->course->groupmode == SEPARATEGROUPS
&& $this->page->course->groupmodeforce
&& !has_capability('moodle/site:accessallgroups', $this->page->context));
$currentgroup = $isseparategroups ? groups_get_course_group($this->page->course) : NULL;
if ($this->page->course->id == SITEID or $this->page->context->contextlevel < CONTEXT_COURSE) { // Site-level
//Only show if is admin
if(!checkIfUserIsAdmin()){
return '';
}
}else{
//Only show if is teacher or admin
if(!checkIfUserIsTeacher($this->page->course->id) ){
return '';
}
}
//Get the user current group
$users = getUserList($currentgroup,$this->page->course->id,$this->page->context->contextlevel,$this->page->context);
//Now, we have in users, the list of users to show
//Because they are online
if (!empty($users)) {
//Accessibility: Don't want 'Alt' text for the user picture; DO want it for the envelope/message link (existing lang string).
//Accessibility: Converted <div> to <ul>, inherit existing classes & styles.
$this->content->text .= "<ul class='list'>\n";
if (isloggedin() && has_capability('moodle/site:sendmessage', $this->page->context)
&& !empty($CFG->messaging) && !isguestuser()) {
$canshowicon = true;
} else {
$canshowicon = false;
}
foreach ($users as $user) {
$this->content->text .= '<li class="listentry">';
if (isguestuser($user)) {
$this->content->text .= '<div class="user">'.$OUTPUT->user_picture($user, array('size'=>16, 'alttext'=>false));
$this->content->text .= get_string('guestuser').'</div>';
} else {
$this->content->text .= '<div class="user">';
$this->content->text .= '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&course='.$this->page->course->id.'">';
$this->content->text .= $OUTPUT->user_picture($user, array('size'=>16, 'alttext'=>false, 'link'=>false)) .$user->fullname.'</a></div>';
}
if ($canshowicon and ($USER->id != $user->id) and !isguestuser($user)) { // Only when logged in and messaging active etc
$anchortagcontents = '<img class="iconsmall" src="'.$OUTPUT->pix_url('t/delete') . '" alt="'. get_string("deletesession","block_uniquelogin_list") .'" />';
$anchortag = '<a href="'.$CFG->wwwroot.'/blocks/uniquelogin_list/processfile.php?id='.$user->id.'&courseid='.$this->page->course->id.'&sesskey=' . sesskey().'" title="'.get_string("deletesession","block_uniquelogin_list").'">'.$anchortagcontents .'</a>';
$this->content->text .= '<div class="message">'.$anchortag.'</div>';
$anchortagcontents = '<img class="iconsmall" src="'.$OUTPUT->pix_url('t/message') . '" alt="'. get_string('messageselectadd') .'" />';
$anchortag = '<a href="'.$CFG->wwwroot.'/message/index.php?id='.$user->id.'" title="'.get_string('messageselectadd').'">'.$anchortagcontents .'</a>';
$this->content->text .= '<div class="message">'.$anchortag.'</div>';
}
$this->content->text .= "</li>\n";
}
$this->content->text .= '</ul><div class="clearer"><!-- --></div>';
} else {
$this->content->text .= "<div class=\"info\">".get_string("none")."</div>";
}
$this->content->text .= '<div class=\"info\"><a href="'.$CFG->wwwroot.'/blocks/uniquelogin_list/list_users.php?courseid='.$this->page->course->id.'">'.get_string("seeall","block_uniquelogin_list").'</a></div>';
return $this->content;
}
}