/**
* Returns a list with the users that the specified role for the provided course
* or a message indicating there are none.
*
* @since 0.1
*
* @param EPCourse $course
* @param string $roleName
*
* @return string
*/
protected function getRoleList(EPCourse $course, $roleName)
{
$users = $course->getUserWithRole($roleName);
if (count($users) > 0) {
$instList = array();
foreach ($users as $user) {
$instList[] = $user->getUserLink() . $user->getToolLinks($this->getContext(), $course);
}
if (false) {
// count( $instructors ) == 1
$html = $instList[0];
} else {
$html = '<ul><li>' . implode('</li><li>', $instList) . '</li></ul>';
}
} else {
$html = wfMsgHtml('ep-course-no-' . $roleName);
}
return Html::rawElement('div', array('id' => 'ep-course-' . $roleName), $html);
}