1 files changed, 98 insertions, 0 deletions
diff --git a/lib/classes/CourseAvatar.class.php b/lib/classes/CourseAvatar.class.php
new file mode 100644
index 0000000..3edc9e1
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+++ b/lib/classes/CourseAvatar.class.php
@@ -0,0 +1,98 @@
+<?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;
+    }
+}