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<?php
# Lifter010: TODO
/*
* Copyright (C) 2009 - Marcus Lunzenauer (mlunzena@uos)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
/**
* This class represents the avatar of a course.
*
* @package studip
* @subpackage lib
*
* @author Marcus Lunzenauer (mlunzena@uos)
* @copyright (c) Authors
* @since 1.10
*/
class CourseAvatar extends Avatar
{
/**
* Returns an avatar object of the appropriate class.
*
* @param string the course's id
*
* @return mixed the course's avatar.
*/
static function getAvatar($id)
{
return new CourseAvatar($id);
}
/**
* Returns an avatar object for "nobody".
*
* @return mixed the course's avatar.
*/
static function getNobody()
{
return new CourseAvatar('nobody');
}
/**
* Returns the URL to the courses' avatars.
*
* @return string the URL to the avatars
*/
function getAvatarDirectoryUrl()
{
return $GLOBALS['DYNAMIC_CONTENT_URL'] . "/course";
}
/**
* Returns the file system path to the courses' avatars
*
* @return string the file system path to the avatars
*/
function getAvatarDirectoryPath()
{
return $GLOBALS['DYNAMIC_CONTENT_PATH'] . "/course";
}
/**
* Returns the CSS class to use for this avatar image.
*
* @param string one of the constants Avatar::(NORMAL|MEDIUM|SMALL)
*
* @return string CSS class to use for the avatar
*/
protected function getCssClass($size) {
return sprintf('course-avatar-%s course-%s', $size, $this->user_id);
}
/**
* Return the default title of the avatar.
* @return string the default title
*/
function getDefaultTitle()
{
return Seminar::GetInstance($this->user_id)->name;
}
/**
* Return if avatar is visible to the current user.
* @return boolean: true if visible
*/
protected function checkAvatarVisibility() {
//no special conditions for visibility of course-avatars yet
return true;
}
}
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