current code from svn, revision 62608

1 files changed, 134 insertions, 0 deletions

diff --git a/lib/classes/MvvTreeRoot.php b/lib/classes/MvvTreeRoot.php
new file mode 100644
index 0000000..ad091f7
--- /dev/null
+++ b/lib/classes/MvvTreeRoot.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * MvvTreeRoot.php
+ * The root element of a path or tree of MVV objects. This is the root of the
+ * tree or the end of a path.
+ *
+ * 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.
+ *
+ * @author      Peter Thienel <thienel@data-quest.de>
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ * @since       3.5
+ */
+
+class MvvTreeRoot implements MvvTreeItem
+{
+
+    /**
+     * @see MvvTreeItem::getTrailParentId()
+     */
+    public function getTrailParentId()
+    {
+        return null;
+    }
+
+    /**
+     * @see MvvTreeItem::getTrailParent()
+     */
+    public function getTrailParent()
+    {
+        return null;
+    }
+
+    /**
+     * @see MvvTreeItem::getChildren()
+     */
+    public function getChildren()
+    {
+        $institute = [];
+
+        $query = "SELECT DISTINCT inst.fakultaets_id
+                  FROM mvv_modul_inst mmi
+                  JOIN mvv_modul USING (modul_id)
+                  JOIN mvv_modulteil USING (modul_id)
+                  JOIN mvv_lvgruppe_modulteil USING (modulteil_id)
+                  JOIN mvv_studiengang USING (institut_id)
+                  LEFT JOIN Institute inst USING (institut_id)
+                  LEFT JOIN Institute fak ON (fak.institut_id = inst.fakultaets_id)
+                  WHERE mmi.gruppe = ?
+                    AND mvv_studiengang.stat IN (?)
+                  ORDER BY fak.name ASC";
+        $statement = DBManager::get()->prepare($query);
+        $statement->execute(['hauptverantwortlich', Studiengang::getPublicStatus()]);
+        foreach ($statement->fetchAll(PDO::FETCH_COLUMN) as $faculty_id) {
+            $institute[$faculty_id] = new Fachbereich($faculty_id);
+        }
+        return $institute;
+    }
+
+    /**
+     * @see MvvTreeItem::hasChildren()
+     */
+    public function hasChildren()
+    {
+        return count($this->getChildren()) > 0;
+    }
+
+    public function getDisplayName()
+    {
+        return Config::get()->UNI_NAME_CLEAN;
+    }
+
+    public function getId()
+    {
+        return 'root';
+    }
+
+    /**
+     * @see MvvTreeItem::isAssignable()
+     */
+    public function isAssignable()
+    {
+        return false;
+    }
+
+    /**
+     * @see MvvTreeItem::getParents()
+     */
+    public function getParents($mode = null)
+    {
+        return [];
+    }
+
+    /**
+     * @see MvvTreeItem::getTrails()
+     */
+    public function getTrails($types = null, $mode = null, $path = null, $in_recursion = false)
+    {
+        $path = $path ?: ModuleManagementModelTreeItem::$TRAIL_DEFAULT;
+        $types = $types ?: $path;
+        $trails = [];
+        $class_name = get_class($this);
+        $next = $path[array_search($class_name, $path) + 1];
+        $parents = $this->getParents($next);
+
+        foreach ($parents as $parent) {
+            if ($parent) {
+                foreach ($parent->getTrails($types, $mode, $path, true) as $trail) {
+                    if (in_array($class_name, $types)) {
+                        $trail[$class_name] = $this;
+                    }
+                    if (!$in_recursion) {
+                        if (($mode & MvvTreeItem::TRAIL_SHOW_INCOMPLETE)
+                            || count($trail) == count($types)) {
+                            $trails[] = $trail;
+                        }
+                    } else {
+                        $trails[] = $trail;
+                    }
+                }
+            }
+        }
+
+        if (empty($trails) && in_array($class_name, $types)) {
+            $trails = [[$class_name => $this]];
+        }
+
+        return $trails;
+    }
+
+}